/* =========================================================
   知弦 Chordia — pre-launch page
   ========================================================= */

:root {
  --ink: #042c5c;
  --ink-deep: #021d3b;
  --ink-2: #0c3b70;
  --ink-3: #315476;
  --muted: #647a93;
  --paper: #f8fbff;
  --paper-blue: #eef7ff;
  --white: #ffffff;
  --sky: #3fbcfe;
  --blue: #2f7df6;
  --indigo: #5b5bf7;
  --violet: #8a6bff;
  --teal: #28d7c6;
  --line: rgba(4, 44, 92, 0.1);
  --line-strong: rgba(4, 44, 92, 0.16);
  --gradient-text: linear-gradient(104deg, #1768df 4%, #1aa9df 35%, #5660ea 69%, #8557e7 100%);
  --gradient-brand: linear-gradient(110deg, #2f7df6 0%, #3fbcfe 32%, #625ff7 68%, #9a68ff 100%);
  --shadow-sm: 0 8px 25px -16px rgba(4, 44, 92, 0.25);
  --shadow-md: 0 28px 60px -30px rgba(4, 44, 92, 0.28);
  --shadow-lg: 0 44px 100px -40px rgba(4, 44, 92, 0.35);
  --r-lg: 30px;
  --container: 1240px;
  --header-h: 82px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-latin: "Bahnschrift", "Segoe UI Variable Display", "Segoe UI", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  background: #b9e8ff;
  color: var(--ink-deep);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(var(--container), calc(100% - 64px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: clamp(88px, 9vw, 132px) 0;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  display: inline-block;
  width: 1.12em;
  height: 1.12em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.14em;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 0.82rem;
  transform: translateY(-180%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid #159bcf;
  outline-offset: 4px;
}

/* =========================================================
   Shared bits
   ========================================================= */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.19em;
  line-height: 1;
  text-transform: uppercase;
}

.eyebrow-line {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--sky), var(--violet));
}

.eyebrow--light {
  color: rgba(218, 238, 255, 0.56);
}

.eyebrow--light .eyebrow-line {
  background: linear-gradient(90deg, rgba(96, 216, 255, 0.8), rgba(160, 134, 255, 0.8));
}

.text-gradient {
  color: #2878e9;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.text-gradient--bright {
  background: linear-gradient(104deg, #7ae5ff 4%, #a5caff 33%, #a9a7ff 66%, #cfafff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title {
  margin-top: 20px;
  color: var(--ink);
  font-size: clamp(2.25rem, 4.2vw, 3.85rem);
  letter-spacing: -0.048em;
  line-height: 1.24;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: clamp(30px, 6vw, 90px);
  margin-bottom: clamp(44px, 5vw, 62px);
}

.section-heading > p {
  max-width: 390px;
  padding-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink-3);
  font-size: 0.68rem;
  font-weight: 500;
  white-space: nowrap;
}

.status-dot {
  position: relative;
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(40, 215, 198, 0.12);
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  animation: dotPulse 2.8s ease-out infinite;
}

.status-dot--teal {
  background: var(--teal);
}

/* =========================================================
   Buttons
   ========================================================= */

.btn {
  position: relative;
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1;
  white-space: nowrap;
  transition:
    transform 0.35s var(--ease),
    box-shadow 0.35s var(--ease),
    background-color 0.35s var(--ease),
    border-color 0.35s var(--ease),
    color 0.35s var(--ease);
}

.btn > span,
.btn > .icon {
  position: relative;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 16px 32px -18px rgba(4, 44, 92, 0.65);
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.btn--primary:hover::before {
  opacity: 1;
}

.btn--primary:hover {
  box-shadow: 0 18px 36px -16px rgba(47, 125, 246, 0.48);
}

.btn--ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.52);
  color: var(--ink);
  backdrop-filter: blur(10px);
}

.btn--ghost:hover {
  border-color: rgba(4, 44, 92, 0.26);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn--header {
  min-height: 42px;
  padding: 0 17px;
  font-size: 0.8rem;
}

.btn--header .icon {
  width: 15px;
  height: 15px;
}

.btn--light {
  background: #f5fbff;
  color: var(--ink);
  box-shadow: 0 20px 44px -22px rgba(0, 0, 0, 0.6);
}

.btn--light:hover {
  background: var(--white);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.7);
}

.btn--ghost-light {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.045);
  color: var(--white);
}

.btn--ghost-light:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.09);
}

/* =========================================================
   Header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  transition: height 0.3s var(--ease);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-bottom: 1px solid transparent;
  background: rgba(248, 251, 255, 0.68);
  backdrop-filter: blur(18px) saturate(145%);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  transition:
    background-color 0.35s var(--ease),
    border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled::before {
  border-bottom-color: var(--line);
  background: rgba(248, 251, 255, 0.92);
  box-shadow: 0 12px 30px -26px rgba(4, 44, 92, 0.28);
}

.nav-wrap {
  width: min(var(--container), calc(100% - 64px));
  height: 100%;
  margin-inline: auto;
}

.nav {
  display: grid;
  height: 100%;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 158px;
  flex: 0 0 auto;
}

.brand img {
  width: 100%;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.nav-link {
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--ink-3);
  font-size: 0.85rem;
  font-weight: 500;
  transition:
    color 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.nav-link:hover {
  background: rgba(63, 188, 254, 0.08);
  color: var(--ink);
}

.nav-link.is-active {
  background: rgba(63, 188, 254, 0.1);
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  border-radius: 99px;
  background: var(--ink);
  transition:
    transform 0.3s var(--ease),
    width 0.3s var(--ease);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* Mobile menu */

.mobile-menu {
  position: fixed;
  z-index: 90;
  inset: var(--header-h) 0 0;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px 24px 36px;
  background:
    radial-gradient(circle at 82% 8%, rgba(63, 188, 254, 0.18), transparent 36%),
    radial-gradient(circle at 12% 88%, rgba(138, 107, 255, 0.1), transparent 40%),
    #f8fbff;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease),
    visibility 0.35s;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
}

.mobile-link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.35rem, 6vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.mobile-link small {
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.mobile-menu-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.mobile-menu-footer p {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.7;
  text-align: right;
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: clamp(48px, 6vw, 76px) 0 clamp(58px, 7vw, 92px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, rgba(4, 44, 92, 0.043) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(4, 44, 92, 0.043) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 83% 90% at 73% 38%, #000 3%, transparent 71%);
  mask-image: radial-gradient(ellipse 83% 90% at 73% 38%, #000 3%, transparent 71%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -20%;
  right: -16%;
  width: min(70vw, 920px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 188, 254, 0.18), rgba(110, 100, 255, 0.1) 42%, transparent 68%);
  filter: blur(28px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 13px 8px 11px;
  border: 1px solid rgba(4, 44, 92, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 30px -24px rgba(4, 44, 92, 0.35);
  color: var(--ink-3);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  backdrop-filter: blur(12px);
  animation: heroIn 0.8s var(--ease) both 0.06s;
}

.hero-badge-en {
  color: var(--ink-2);
  font-family: var(--font-latin);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.hero-badge-divider {
  width: 1px;
  height: 11px;
  background: var(--line-strong);
}

.hero-title {
  margin-top: clamp(26px, 3.6vw, 38px);
  color: var(--ink);
  font-size: clamp(3rem, 5.65vw, 5.05rem);
  font-weight: 700;
  letter-spacing: -0.057em;
  line-height: 1.17;
  animation: heroIn 0.9s var(--ease) both 0.14s;
}

.hero-title > span {
  display: inline-block;
  padding-bottom: 0.06em;
}

.hero-lede {
  max-width: 545px;
  margin-top: clamp(22px, 2.8vw, 30px);
  color: #536b84;
  font-size: clamp(0.94rem, 1.1vw, 1.03rem);
  line-height: 1.95;
  animation: heroIn 0.9s var(--ease) both 0.22s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 3.4vw, 36px);
  animation: heroIn 0.9s var(--ease) both 0.3s;
}

.hero-foot {
  display: flex;
  max-width: 555px;
  align-items: center;
  gap: 24px;
  margin-top: clamp(32px, 4.2vw, 48px);
  padding-top: 21px;
  border-top: 1px solid var(--line);
  animation: heroIn 0.9s var(--ease) both 0.38s;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 20px;
}

.metric {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.metric strong {
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 1.55rem;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
}

.metric span {
  color: var(--muted);
  font-size: 0.7rem;
  white-space: nowrap;
}

.metric-rule {
  width: 1px;
  height: 25px;
  background: var(--line);
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  color: var(--muted);
  font-size: 0.69rem;
  white-space: nowrap;
}

.hero-visual {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: center;
}

.hero-stage {
  position: relative;
  display: grid;
  width: min(100%, 590px);
  aspect-ratio: 1 / 1.03;
  place-items: center;
  animation: stageIn 1.1s var(--ease) both 0.2s;
}

.stage-halo {
  position: absolute;
  width: 84%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 44% 42%, rgba(63, 188, 254, 0.22), transparent 56%),
    radial-gradient(circle at 64% 66%, rgba(138, 107, 255, 0.16), transparent 54%);
  filter: blur(30px);
}

.hero-stage::after {
  content: "";
  position: absolute;
  z-index: 1;
  bottom: 16%;
  width: 43%;
  height: 5%;
  border-radius: 50%;
  background: rgba(4, 44, 92, 0.14);
  filter: blur(22px);
}

.orbit {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}

.orbit--outer {
  width: 84%;
  aspect-ratio: 1;
  border: 1px dashed rgba(4, 44, 92, 0.15);
  transform: rotate(-17deg);
  animation: orbitSpin 72s linear infinite;
}

.orbit--outer::before {
  content: "";
  position: absolute;
  top: 12%;
  left: 8%;
  width: 9px;
  height: 9px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  background: linear-gradient(135deg, #3fbcfe, #6d65ff);
  box-shadow: 0 0 0 5px rgba(63, 188, 254, 0.09), 0 0 20px rgba(63, 188, 254, 0.48);
}

.orbit--outer::after {
  content: "";
  position: absolute;
  right: 13%;
  bottom: 8%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 5px rgba(138, 107, 255, 0.08);
}

.orbit--inner {
  width: 62%;
  aspect-ratio: 1;
  border: 1px solid rgba(47, 125, 246, 0.17);
  transform: rotate(28deg);
  animation: orbitSpinReverse 90s linear infinite;
}

.orbit--inner::before {
  content: "";
  position: absolute;
  top: 21%;
  right: 5%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(40, 215, 198, 0.08);
}

.stage-mark {
  position: relative;
  z-index: 3;
  width: 49%;
  filter: drop-shadow(0 28px 38px rgba(16, 57, 126, 0.23));
  animation: markFloat 8s ease-in-out infinite;
}

.stage-mark img {
  width: 100%;
  height: auto;
}

.stage-spark {
  position: absolute;
  z-index: 2;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sky);
  box-shadow: 0 0 0 5px rgba(63, 188, 254, 0.08), 0 0 18px rgba(63, 188, 254, 0.38);
}

.stage-spark--one {
  top: 27%;
  right: 14%;
}

.stage-spark--two {
  bottom: 27%;
  left: 11%;
  width: 4px;
  height: 4px;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(40, 215, 198, 0.08), 0 0 18px rgba(40, 215, 198, 0.4);
}

.float-card {
  position: absolute;
  z-index: 5;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow:
    0 24px 52px -26px rgba(4, 44, 92, 0.33),
    inset 0 1px 0 rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  animation: cardFloat 9s ease-in-out infinite;
}

.float-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.45;
}

.float-card small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.61rem;
  line-height: 1.5;
}

.float-card--team {
  top: 7%;
  left: 0;
  width: 190px;
  animation-delay: -1s;
}

.float-card--calendar {
  top: 13%;
  right: 0;
  width: 177px;
  animation-delay: -4.4s;
}

.float-card--mentor {
  bottom: 10%;
  left: 1%;
  width: 216px;
  animation-delay: -6.2s;
}

.float-card--verified {
  right: 1%;
  bottom: 5%;
  display: flex;
  width: 189px;
  align-items: center;
  gap: 10px;
  animation-delay: -2.6s;
}

.float-card--verified strong {
  margin-top: 0;
  font-size: 0.78rem;
}

.float-card--verified small {
  margin-top: 2px;
  font-size: 0.57rem;
}

.fc-label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.61rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1;
}

.fc-dot {
  width: 5px;
  height: 5px;
  flex: none;
  border-radius: 50%;
}

.fc-dot--blue {
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(47, 125, 246, 0.1);
}

.fc-dot--violet {
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(138, 107, 255, 0.1);
}

.fc-dot--green {
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(40, 215, 198, 0.1);
}

.h-avatars {
  display: flex;
  margin-top: 11px;
  padding-left: 7px;
}

.h-avatar {
  display: inline-grid;
  width: 28px;
  height: 28px;
  place-items: center;
  margin-left: -7px;
  border: 2px solid rgba(255, 255, 255, 0.96);
  border-radius: 50%;
  color: var(--white);
  font-size: 0.58rem;
  font-weight: 600;
  box-shadow: 0 4px 10px -6px rgba(4, 44, 92, 0.5);
}

.h-avatar--one {
  background: linear-gradient(135deg, #42c3ff, #2b81ef);
}

.h-avatar--two {
  background: linear-gradient(135deg, #7d7cf9, #5b5bf7);
}

.h-avatar--three {
  background: linear-gradient(135deg, #43d9cb, #24a9d7);
}

.h-avatar--mentor {
  width: 26px;
  height: 26px;
  margin-left: 0;
  background: linear-gradient(135deg, #4b9eff, #6b63f5);
}

.fc-status {
  margin-left: auto;
  padding: 3px 6px;
  border-radius: 999px;
  background: rgba(40, 215, 198, 0.11);
  color: #128b80;
  font-size: 0.5rem;
  font-weight: 600;
}

.fc-calendar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.fc-date {
  display: flex;
  width: 42px;
  height: 45px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: var(--white);
  line-height: 1;
  box-shadow: 0 9px 18px -12px rgba(47, 125, 246, 0.8);
}

.fc-date b {
  font-family: var(--font-latin);
  font-size: 1.1rem;
  font-weight: 600;
}

.fc-date span {
  margin-top: 3px;
  font-family: var(--font-latin);
  font-size: 0.46rem;
  letter-spacing: 0.1em;
  opacity: 0.76;
}

.fc-calendar-copy b {
  display: block;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.4;
}

.fc-calendar-copy span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.58rem;
}

.fc-mentor-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.fc-mentor-row small {
  max-width: 120px;
  margin-top: 0;
  font-size: 0.58rem;
}

.fc-check {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  margin-left: auto;
  border-radius: 50%;
  background: rgba(40, 215, 198, 0.12);
  color: #11978b;
}

.fc-check .icon {
  width: 11px;
  height: 11px;
}

.verified-seal {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #32d7c7, #2f7df6);
  color: var(--white);
  box-shadow: 0 10px 20px -10px rgba(47, 125, 246, 0.72);
}

.verified-seal .icon {
  width: 15px;
  height: 15px;
  stroke-width: 2.2;
}

/* =========================================================
   Signal band
   ========================================================= */

.signal-band {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background:
    linear-gradient(90deg, rgba(63, 188, 254, 0.04), transparent 30%, rgba(138, 107, 255, 0.05)),
    var(--ink-deep);
  color: rgba(231, 244, 255, 0.74);
}

.signal-band::before,
.signal-band::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  width: 90px;
  pointer-events: none;
}

.signal-band::before {
  left: 0;
  background: linear-gradient(90deg, var(--ink-deep), transparent);
}

.signal-band::after {
  right: 0;
  background: linear-gradient(-90deg, var(--ink-deep), transparent);
}

.signal-track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.signal-band:hover .signal-track {
  animation-play-state: paused;
}

.signal-group {
  display: flex;
  flex: none;
  align-items: center;
  gap: 38px;
  padding: 17px 19px;
}

.signal-item {
  display: flex;
  align-items: center;
  gap: 13px;
  font-size: 0.71rem;
  font-weight: 400;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

.signal-mark {
  display: block;
  width: 9px;
  height: 9px;
  flex: none;
  background: linear-gradient(135deg, #6dd8ff, #9c81ff);
  clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);
}

/* =========================================================
   Why
   ========================================================= */

.why {
  background: linear-gradient(180deg, var(--paper) 0%, #fbfdff 72%, var(--white) 100%);
}

.why-top {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: clamp(36px, 7vw, 108px);
}

.why-heading .section-title {
  font-size: clamp(2.35rem, 4.5vw, 4.15rem);
}

.why-copy {
  max-width: 470px;
  padding-bottom: 7px;
}

.why-copy > p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.9;
}

.why-copy > p:first-child {
  margin-bottom: 12px;
  color: var(--ink-2);
  font-size: 1.08rem;
  font-weight: 500;
  line-height: 1.75;
}

.why-signature {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 25px;
  color: var(--ink-3);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.sig-line {
  width: 32px;
  height: 1px;
  background: var(--gradient-brand);
}

.why-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(54px, 6vw, 78px);
  border-top: 1px solid var(--line);
}

.why-value {
  position: relative;
  padding: 26px 36px 0 0;
}

.why-value + .why-value {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.v-no {
  display: block;
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.why-value h3 {
  margin-top: 17px;
  color: var(--ink);
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.why-value p {
  max-width: 300px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.85;
}

/* =========================================================
   Features
   ========================================================= */

.features {
  background: var(--white);
}

.title-break {
  display: inline;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  isolation: isolate;
  display: flex;
  min-height: 440px;
  flex-direction: column;
  overflow: hidden;
  padding: clamp(25px, 2.7vw, 35px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 96% 0%, rgba(63, 188, 254, 0.085), transparent 34%),
    linear-gradient(155deg, #ffffff 0%, #f8fbff 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 18px 40px -38px rgba(4, 44, 92, 0.35);
  transition:
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(430px circle at var(--mx, 55%) var(--my, 10%), rgba(63, 188, 254, 0.095), transparent 45%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s var(--ease);
}

.feature-card:hover {
  border-color: rgba(4, 44, 92, 0.14);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature--calendar {
  grid-column: span 5;
  min-height: 500px;
}

.feature--match {
  grid-column: span 7;
  min-height: 500px;
}

.feature--mentor {
  grid-column: span 5;
  min-height: 450px;
}

.feature--achievement {
  grid-column: span 7;
  min-height: 450px;
}

.feature--experience,
.feature--ai {
  grid-column: span 6;
  min-height: 412px;
}

.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 25px;
}

.feature-code {
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.61rem;
  font-weight: 500;
  letter-spacing: 0.17em;
  line-height: 1;
}

.feature-icon {
  display: grid;
  width: 41px;
  height: 41px;
  place-items: center;
  border: 1px solid rgba(63, 188, 254, 0.17);
  border-radius: 13px;
  background: linear-gradient(145deg, rgba(63, 188, 254, 0.1), rgba(138, 107, 255, 0.055));
  color: #247fc1;
}

.feature-icon .icon {
  width: 19px;
  height: 19px;
  stroke-width: 1.7;
}

.feature-card h3 {
  color: var(--ink);
  font-size: clamp(1.3rem, 1.8vw, 1.55rem);
  letter-spacing: -0.03em;
  line-height: 1.35;
}

.feature-card p {
  max-width: 49ch;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.82;
}

.preview-note {
  margin-top: 26px;
  color: #8a9aad;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-align: center;
}

/* Calendar visual */

.mini-calendar {
  margin-top: auto;
  margin-bottom: 0;
  padding: 16px 17px 14px;
  border: 1px solid rgba(4, 44, 92, 0.09);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow:
    0 24px 42px -34px rgba(4, 44, 92, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.feature--calendar .feature-copy {
  margin-bottom: 25px;
}

.cal-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.cal-top-title {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.cal-top-title strong {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.cal-top-title span {
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
}

.cal-pill {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(63, 188, 254, 0.09);
  color: #3180a1;
  font-size: 0.55rem;
  white-space: nowrap;
}

.cal-weekdays,
.cal-days {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  text-align: center;
}

.cal-weekdays {
  margin-top: 13px;
  color: #9aabbb;
  font-size: 0.52rem;
}

.cal-days {
  gap: 2px;
  margin-top: 5px;
}

.cal-day {
  position: relative;
  display: grid;
  height: 26px;
  place-items: center;
  border-radius: 8px;
  color: var(--ink-3);
  font-family: var(--font-latin);
  font-size: 0.65rem;
  font-weight: 400;
}

.cal-day.has-event::after {
  content: "";
  position: absolute;
  bottom: 3px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sky);
}

.cal-day.is-active {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 8px 16px -9px rgba(4, 44, 92, 0.6);
  font-weight: 600;
}

.cal-day.is-active::after {
  background: #6ce9db;
}

.cal-event {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 10px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}

.cal-event-icon {
  display: grid;
  width: 29px;
  height: 29px;
  flex: none;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(63, 188, 254, 0.13), rgba(138, 107, 255, 0.12));
  color: #4785b9;
}

.cal-event-icon .icon {
  width: 14px;
  height: 14px;
}

.cal-event-copy strong {
  display: block;
  color: var(--ink);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.4;
}

.cal-event-copy span {
  display: block;
  color: var(--muted);
  font-size: 0.57rem;
}

.cal-event-arrow {
  width: 15px;
  height: 15px;
  margin-left: auto;
  color: #9aacbf;
}

/* Match visual */

.feature--match {
  border-color: rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at 88% 0%, rgba(61, 186, 255, 0.23), transparent 35%),
    radial-gradient(circle at 8% 92%, rgba(120, 92, 255, 0.19), transparent 36%),
    #042c5c;
  box-shadow: var(--shadow-lg);
  color: #e7f4ff;
}

.feature--match::before {
  background: radial-gradient(480px circle at var(--mx, 65%) var(--my, 0%), rgba(129, 223, 255, 0.12), transparent 48%);
}

.feature--match::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: 78px;
  right: -178px;
  width: 440px;
  height: 440px;
  border: 1px solid rgba(135, 213, 255, 0.075);
  border-radius: 50%;
  box-shadow:
    0 0 0 48px rgba(255, 255, 255, 0.016),
    0 0 0 96px rgba(255, 255, 255, 0.01);
  pointer-events: none;
}

.feature--match:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 46px 100px -38px rgba(4, 44, 92, 0.58);
}

.feature--match .feature-code {
  color: rgba(208, 234, 255, 0.5);
}

.feature--match .feature-icon {
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.07);
  color: #8fe7ff;
}

.feature--match h3 {
  color: var(--white);
}

.feature--match p {
  color: rgba(220, 238, 255, 0.66);
}

.match-visual {
  margin-top: auto;
  padding-top: 28px;
}

.match-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(220, 238, 255, 0.6);
  font-size: 0.65rem;
}

.match-bar > span:first-child {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.live-dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: #59e6d6;
  box-shadow: 0 0 0 4px rgba(89, 230, 214, 0.09);
}

.match-score {
  flex: none;
  white-space: nowrap;
}

.match-score b {
  color: #7de6ff;
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.match-team {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) 53px;
  gap: 9px;
  margin-top: 9px;
}

.member {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.085);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.055);
}

.member--you {
  border-color: rgba(126, 214, 255, 0.18);
  background: rgba(86, 179, 255, 0.09);
}

.member-avatar {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  margin-bottom: 12px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: var(--white);
  font-size: 0.62rem;
  font-weight: 600;
}

.member-avatar--you {
  background: linear-gradient(135deg, #3fa7ff, #2f5ee7);
}

.member-avatar--cyan {
  background: linear-gradient(135deg, #36d4ca, #239fd7);
}

.member-avatar--violet {
  background: linear-gradient(135deg, #917bfd, #5b5bf7);
}

.member b {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.93);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member small {
  margin-top: 4px;
  color: rgba(220, 238, 255, 0.47);
  font-size: 0.56rem;
  line-height: 1.4;
  white-space: nowrap;
}

.member-add {
  display: grid;
  min-height: 100%;
  place-items: center;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 15px;
  color: rgba(211, 236, 255, 0.54);
  transition:
    background-color 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.member-add:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.member-add .icon {
  width: 16px;
  height: 16px;
}

/* Mentor visual */

.mentor-visual {
  margin-top: auto;
  padding-top: 27px;
}

.mentor-flow {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 11px;
  color: #8498ad;
  font-size: 0.54rem;
  white-space: nowrap;
}

.mentor-flow .flow-line {
  width: 13px;
  height: 1px;
  flex: 0 1 13px;
  background: var(--line-strong);
}

.mentor-flow .is-current {
  color: var(--ink-2);
  font-weight: 600;
}

.mentor-project {
  padding: 15px;
  border: 1px solid rgba(4, 44, 92, 0.09);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 36px -32px rgba(4, 44, 92, 0.4);
}

.mentor-project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mentor-tag {
  color: var(--muted);
  font-size: 0.56rem;
  letter-spacing: 0.04em;
}

.mentor-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #158d81;
  font-size: 0.56rem;
  font-weight: 500;
}

.mentor-status .status-dot {
  width: 5px;
  height: 5px;
  box-shadow: 0 0 0 3px rgba(40, 215, 198, 0.1);
}

.mentor-status .status-dot::after {
  display: none;
}

.mentor-project h4 {
  margin-top: 8px;
  color: var(--ink);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.5;
}

.mentor-person {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px dashed rgba(4, 44, 92, 0.12);
}

.mentor-avatar {
  display: grid;
  width: 28px;
  height: 28px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #54b7ff, #6e62ef);
  color: var(--white);
  font-size: 0.6rem;
  font-weight: 600;
}

.mentor-person-copy {
  min-width: 0;
}

.mentor-person-copy b {
  display: block;
  overflow: hidden;
  color: var(--ink-2);
  font-size: 0.63rem;
  font-weight: 500;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mentor-person-copy span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.55rem;
}

.mentor-check {
  display: grid;
  width: 21px;
  height: 21px;
  flex: none;
  place-items: center;
  margin-left: auto;
  border-radius: 50%;
  background: rgba(40, 215, 198, 0.12);
  color: #139c8f;
}

.mentor-check .icon {
  width: 11px;
  height: 11px;
  stroke-width: 2.2;
}

/* Achievement visual */

.achievement-body {
  display: grid;
  flex: 1;
  grid-template-columns: minmax(0, 1.02fr) minmax(210px, 0.82fr);
  align-items: center;
  gap: clamp(18px, 2.4vw, 28px);
  margin-top: 2px;
}

.achievement-copy {
  display: flex;
  min-width: 0;
  height: 100%;
  flex-direction: column;
  padding-top: 2px;
}

.achievement-copy p {
  max-width: 36ch;
}

.achievement-stats {
  display: flex;
  gap: clamp(17px, 2.2vw, 28px);
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.achievement-stat strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-latin);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}

.achievement-stat span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.61rem;
  white-space: nowrap;
}

.certificate {
  position: relative;
  overflow: hidden;
  align-self: center;
  padding: 17px;
  border: 1px solid rgba(71, 148, 203, 0.16);
  border-radius: 17px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(244, 250, 255, 0.95));
  box-shadow:
    0 26px 44px -34px rgba(4, 44, 92, 0.42),
    inset 0 1px 0 var(--white);
  transform: rotate(2.2deg);
}

.certificate::before {
  content: "";
  position: absolute;
  top: -55px;
  right: -48px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(63, 188, 254, 0.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 13px rgba(63, 188, 254, 0.035),
    0 0 0 27px rgba(138, 107, 255, 0.025);
}

.certificate::after {
  content: "";
  position: absolute;
  bottom: -34px;
  left: -28px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 193, 255, 0.13), transparent 68%);
}

.cert-top {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #7892a8;
  font-family: var(--font-latin);
  font-size: 0.48rem;
  letter-spacing: 0.1em;
}

.cert-seal {
  position: relative;
  z-index: 1;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-top: 18px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: var(--white);
  box-shadow: 0 9px 18px -8px rgba(47, 125, 246, 0.65);
}

.cert-seal .icon {
  width: 15px;
  height: 15px;
  stroke-width: 2.3;
}

.cert-title {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  color: var(--ink);
  font-size: clamp(0.9rem, 1.2vw, 1rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.cert-desc {
  position: relative;
  z-index: 1;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.56rem;
  line-height: 1.5;
}

.cert-lines {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 4px;
  margin-top: 15px;
}

.cert-lines span {
  display: block;
  height: 3px;
  border-radius: 99px;
  background: rgba(4, 44, 92, 0.07);
}

.cert-lines span:nth-child(1) {
  width: 78%;
}

.cert-lines span:nth-child(2) {
  width: 100%;
}

.cert-lines span:nth-child(3) {
  width: 56%;
}

.cert-foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 15px;
}

.cert-foot span {
  padding: 3px 5px;
  border-radius: 5px;
  background: rgba(47, 125, 246, 0.06);
  color: #6387a2;
  font-size: 0.45rem;
  white-space: nowrap;
}

/* Experience visual */

.feature--experience {
  background:
    radial-gradient(circle at 88% 6%, rgba(138, 107, 255, 0.11), transparent 34%),
    linear-gradient(155deg, #ffffff 0%, #faf9ff 100%);
}

.feature--experience .feature-copy,
.feature--ai .feature-copy {
  margin-bottom: 27px;
}

.testimonial {
  position: relative;
  margin-top: auto;
  padding: 18px 19px;
  overflow: hidden;
  border: 1px solid rgba(4, 44, 92, 0.09);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 22px 40px -34px rgba(4, 44, 92, 0.34);
}

.testimonial::before {
  content: "“";
  position: absolute;
  top: -20px;
  right: 15px;
  color: rgba(138, 107, 255, 0.09);
  font-family: Georgia, serif;
  font-size: 7rem;
  line-height: 1;
}

.testimonial-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.testimonial-tag {
  color: var(--muted);
  font-size: 0.56rem;
  letter-spacing: 0.05em;
}

.testimonial-score {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  font-family: var(--font-latin);
  font-size: 0.65rem;
  font-weight: 600;
}

.testimonial-score i {
  display: block;
  width: 16px;
  height: 3px;
  border-radius: 99px;
  background: var(--gradient-brand);
}

.testimonial blockquote {
  position: relative;
  z-index: 1;
  max-width: 46ch;
  margin-top: 12px;
  color: var(--ink-2);
  font-size: 0.82rem;
  line-height: 1.8;
}

.testimonial figcaption {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.testimonial-avatar {
  display: grid;
  width: 27px;
  height: 27px;
  flex: none;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #a7c9fc, #9a83ef);
  color: var(--white);
  font-size: 0.56rem;
  font-weight: 600;
}

.testimonial figcaption b {
  display: block;
  color: var(--ink-2);
  font-size: 0.61rem;
  font-weight: 500;
  line-height: 1.4;
}

.testimonial figcaption small {
  display: block;
  color: var(--muted);
  font-size: 0.54rem;
}

.testimonial-chips {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.testimonial-chips span {
  padding: 4px 6px;
  border-radius: 5px;
  background: rgba(4, 44, 92, 0.045);
  color: var(--muted);
  font-size: 0.48rem;
  white-space: nowrap;
}

/* AI visual */

.feature--ai {
  border-color: rgba(92, 148, 218, 0.18);
  background:
    radial-gradient(circle at 85% 10%, rgba(63, 188, 254, 0.16), transparent 36%),
    radial-gradient(circle at 8% 96%, rgba(138, 107, 255, 0.12), transparent 38%),
    linear-gradient(155deg, #fbfdff 0%, #f4f9ff 100%);
}

.feature--ai .feature-icon {
  border-color: rgba(98, 95, 247, 0.16);
  background: linear-gradient(145deg, rgba(63, 188, 254, 0.11), rgba(138, 107, 255, 0.1));
  color: #6360e8;
}

.ai-console {
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(94, 148, 211, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow:
    0 24px 42px -34px rgba(4, 44, 92, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.ai-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-orb {
  display: grid;
  width: 27px;
  height: 27px;
  flex: none;
  place-items: center;
  border-radius: 9px;
  background: var(--gradient-brand);
  color: var(--white);
  box-shadow: 0 8px 16px -9px rgba(91, 91, 247, 0.7);
}

.ai-orb .icon {
  width: 13px;
  height: 13px;
}

.ai-orb--small {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.ai-name {
  display: flex;
  flex-direction: column;
}

.ai-name b {
  color: var(--ink);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1.35;
}

.ai-name small {
  color: var(--muted);
  font-size: 0.49rem;
  line-height: 1.4;
}

.ai-beta {
  margin-left: auto;
  padding: 3px 6px;
  border: 1px solid rgba(91, 91, 247, 0.16);
  border-radius: 5px;
  color: #6a68d5;
  font-family: var(--font-latin);
  font-size: 0.46rem;
  letter-spacing: 0.09em;
}

.ai-prompt {
  display: flex;
  align-items: center;
  gap: 1px;
  margin-top: 11px;
  padding: 9px 10px;
  border-radius: 9px;
  background: rgba(4, 44, 92, 0.045);
  color: var(--ink-3);
  font-size: 0.62rem;
  line-height: 1.6;
}

.ai-cursor {
  display: inline-block;
  width: 1px;
  height: 0.92em;
  background: var(--blue);
  animation: cursorBlink 1.1s steps(2, start) infinite;
}

.ai-reply {
  margin-top: 9px;
  padding: 0 3px;
}

.ai-reply-label {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #6360e8;
  font-size: 0.51rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.ai-reply-label .icon {
  width: 10px;
  height: 10px;
}

.ai-reply p {
  margin-top: 4px;
  color: var(--ink-3);
  font-size: 0.61rem;
  line-height: 1.75;
}

.ai-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.ai-chips span {
  padding: 4px 7px;
  border: 1px solid rgba(91, 91, 247, 0.12);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.68);
  color: #657b91;
  font-size: 0.48rem;
}

/* =========================================================
   Journey
   ========================================================= */

.journey {
  overflow: hidden;
  border-top: 1px solid rgba(4, 44, 92, 0.055);
  border-bottom: 1px solid rgba(4, 44, 92, 0.055);
  background:
    radial-gradient(circle at 80% 12%, rgba(63, 188, 254, 0.1), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #eef7ff 55%, #f8fbff 100%);
}

.journey::before {
  content: "";
  position: absolute;
  bottom: -260px;
  left: -190px;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 107, 255, 0.08), transparent 68%);
  pointer-events: none;
}

.journey-heading {
  margin-bottom: 0;
}

.journey-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 38px);
  margin-top: 75px;
  padding-top: 40px;
}

.journey-line {
  position: absolute;
  top: 6px;
  right: 8px;
  left: 8px;
  height: 1px;
  background: linear-gradient(90deg, rgba(63, 188, 254, 0.35), rgba(74, 121, 243, 0.55) 46%, rgba(138, 107, 255, 0.42));
}

.journey-step {
  position: relative;
  padding-right: clamp(4px, 1.8vw, 22px);
  --dot: var(--sky);
}

.journey-step:nth-of-type(2) {
  --dot: #4f9eff;
}

.journey-step:nth-of-type(3) {
  --dot: #6864f7;
}

.journey-step:nth-of-type(4) {
  --dot: #9a6ff1;
}

.journey-dot {
  position: absolute;
  top: -40px;
  left: 0;
  width: 13px;
  height: 13px;
  border: 3px solid #f1f9ff;
  border-radius: 50%;
  background: var(--dot);
  box-shadow:
    0 0 0 1px rgba(4, 44, 92, 0.1),
    0 0 22px color-mix(in srgb, var(--dot) 40%, transparent);
}

.journey-no {
  display: block;
  color: var(--muted);
  font-family: var(--font-latin);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.17em;
}

.journey-step h3 {
  margin-top: 13px;
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  letter-spacing: -0.03em;
}

.journey-step p {
  max-width: 25ch;
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.8;
}

.journey-tag {
  display: inline-flex;
  margin-top: 17px;
  padding: 4px 8px;
  border: 1px solid rgba(4, 44, 92, 0.08);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.6);
  color: #66829b;
  font-size: 0.54rem;
  letter-spacing: 0.02em;
}

.journey-ai {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-top: 54px;
  padding: 13px 17px;
  border: 1px solid rgba(4, 44, 92, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
}

.journey-ai p {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.6;
}

.journey-ai b {
  color: var(--ink-2);
  font-weight: 500;
}

.journey-ai-tail {
  margin-left: auto;
  color: #92a6b9;
  font-family: var(--font-latin);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

/* =========================================================
   Finale
   ========================================================= */

.finale {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(92px, 10vw, 140px) 0 clamp(86px, 9vw, 118px);
  color: var(--white);
  background:
    radial-gradient(circle at 79% 17%, rgba(63, 188, 254, 0.19), transparent 33%),
    radial-gradient(circle at 8% 87%, rgba(138, 107, 255, 0.14), transparent 39%),
    linear-gradient(135deg, #052f5d 0%, #031f3e 58%, #021b35 100%);
}

.finale::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(174, 220, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(174, 220, 255, 0.035) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: radial-gradient(ellipse 80% 90% at 68% 30%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 90% at 68% 30%, #000, transparent 75%);
  pointer-events: none;
}

.finale-ring {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(123, 199, 255, 0.09);
  border-radius: 50%;
  pointer-events: none;
}

.finale-ring--one {
  top: -340px;
  right: -220px;
  width: 730px;
  height: 730px;
}

.finale-ring--two {
  right: -520px;
  bottom: -730px;
  width: 1180px;
  height: 1180px;
}

.finale-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.74fr);
  align-items: center;
  gap: clamp(44px, 7vw, 104px);
}

.finale-title {
  margin-top: 22px;
  color: var(--white);
  font-size: clamp(2.65rem, 4.7vw, 4.55rem);
  letter-spacing: -0.055em;
  line-height: 1.2;
}

.finale-title > span {
  display: inline-block;
  padding-bottom: 0.06em;
}

.finale-copy > p {
  max-width: 555px;
  margin-top: 24px;
  color: rgba(219, 237, 255, 0.65);
  font-size: 0.94rem;
  line-height: 1.95;
}

.finale-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.finale-note {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 27px;
  color: rgba(202, 229, 255, 0.47);
  font-size: 0.67rem;
  letter-spacing: 0.03em;
}

.finale-note .status-dot {
  width: 5px;
  height: 5px;
  box-shadow: 0 0 0 4px rgba(40, 215, 198, 0.08);
}

.finale-note .status-dot::after {
  display: none;
}

.project-card {
  position: relative;
  overflow: hidden;
  padding: 25px;
  border: 1px solid rgba(181, 222, 255, 0.16);
  border-radius: 25px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.115), rgba(255, 255, 255, 0.038));
  box-shadow:
    0 48px 90px -45px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
}

.project-card::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 188, 254, 0.13), transparent 67%);
  pointer-events: none;
}

.project-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(200, 232, 255, 0.11);
}

.project-mark {
  width: 52px;
  height: auto;
  flex: none;
  filter: drop-shadow(0 8px 16px rgba(63, 188, 254, 0.15));
}

.project-title {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.project-title span {
  color: rgba(202, 230, 255, 0.41);
  font-family: var(--font-latin);
  font-size: 0.48rem;
  letter-spacing: 0.14em;
}

.project-title b {
  color: rgba(255, 255, 255, 0.88);
  font-family: var(--font-latin);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.spectrum {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
  margin-left: auto;
}

.spectrum i {
  display: block;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(to top, #35b9ff, #9a8bff);
  opacity: 0.7;
  animation: equalize 1.8s ease-in-out infinite alternate;
}

.spectrum i:nth-child(1) {
  height: 8px;
  animation-delay: -0.2s;
}

.spectrum i:nth-child(2) {
  height: 15px;
  animation-delay: -0.7s;
}

.spectrum i:nth-child(3) {
  height: 10px;
  animation-delay: -1.1s;
}

.spectrum i:nth-child(4) {
  height: 19px;
  animation-delay: -0.4s;
}

.spectrum i:nth-child(5) {
  height: 12px;
  animation-delay: -0.9s;
}

.spectrum i:nth-child(6) {
  height: 16px;
  animation-delay: -1.5s;
}

.spectrum i:nth-child(7) {
  height: 7px;
  animation-delay: -0.6s;
}

.project-rows {
  padding: 7px 0;
}

.project-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(197, 232, 255, 0.08);
}

.project-row:last-child {
  border-bottom: 0;
}

.project-row > span {
  padding-top: 2px;
  color: rgba(195, 227, 255, 0.38);
  font-family: var(--font-latin);
  font-size: 0.48rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.project-row strong {
  color: rgba(235, 246, 255, 0.85);
  font-size: 0.65rem;
  font-weight: 400;
  line-height: 1.6;
  text-align: right;
}

.project-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #8beadd !important;
}

.project-live i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #65e0d2;
  box-shadow: 0 0 0 4px rgba(101, 224, 210, 0.08);
}

.project-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 17px;
  border-top: 1px solid rgba(200, 232, 255, 0.11);
  color: rgba(203, 231, 255, 0.43);
  font-size: 0.54rem;
  letter-spacing: 0.04em;
}

.project-foot span:last-child {
  font-family: var(--font-latin);
  letter-spacing: 0.08em;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  padding: 30px 0 34px;
}

.footer-brand {
  display: inline-flex;
  width: 173px;
}

.footer-brand img {
  width: 100%;
  height: auto;
}

.footer-tagline {
  justify-self: center;
  color: var(--ink-3);
  font-size: 0.68rem;
  line-height: 1.7;
  text-align: center;
}

.footer-tagline span {
  color: var(--muted);
}

.footer-meta {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 2px;
  color: var(--muted);
  font-size: 0.6rem;
  line-height: 1.65;
  text-align: right;
}

.back-top {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 5px;
  color: var(--ink-3);
  font-size: 0.58rem;
  letter-spacing: 0.02em;
  transition: color 0.2s var(--ease);
}

.back-top .icon {
  width: 12px;
  height: 12px;
}

.back-top:hover {
  color: var(--blue);
}

/* =========================================================
   Toast & reveal
   ========================================================= */

.toast {
  position: fixed;
  z-index: 250;
  right: 50%;
  bottom: 26px;
  max-width: calc(100% - 40px);
  padding: 11px 17px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(3, 31, 61, 0.94);
  box-shadow: 0 20px 40px -18px rgba(0, 0, 0, 0.45);
  color: rgba(242, 249, 255, 0.94);
  font-size: 0.75rem;
  line-height: 1.4;
  opacity: 0;
  pointer-events: none;
  transform: translate(50%, 10px);
  transition:
    opacity 0.3s var(--ease),
    transform 0.3s var(--ease);
  backdrop-filter: blur(12px);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(50%, 0);
}

.js .reveal {
  opacity: 0;
  translate: 0 24px;
  transition:
    opacity 0.8s var(--ease) var(--delay, 0s),
    translate 0.8s var(--ease) var(--delay, 0s),
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}

.js .reveal.is-visible {
  opacity: 1;
  translate: 0 0;
}

.feature-grid > .reveal:nth-child(2) {
  --delay: 70ms;
}

.feature-grid > .reveal:nth-child(3) {
  --delay: 40ms;
}

.feature-grid > .reveal:nth-child(4) {
  --delay: 100ms;
}

.feature-grid > .reveal:nth-child(5) {
  --delay: 40ms;
}

.feature-grid > .reveal:nth-child(6) {
  --delay: 100ms;
}

.why-values > .reveal:nth-child(2) {
  --delay: 80ms;
}

.why-values > .reveal:nth-child(3) {
  --delay: 160ms;
}

.journey-track > .reveal:nth-of-type(1) {
  --delay: 0ms;
}

.journey-track > .reveal:nth-of-type(2) {
  --delay: 80ms;
}

.journey-track > .reveal:nth-of-type(3) {
  --delay: 160ms;
}

.journey-track > .reveal:nth-of-type(4) {
  --delay: 240ms;
}

/* =========================================================
   Motion
   ========================================================= */

@keyframes dotPulse {
  0% {
    opacity: 0.5;
    transform: scale(1);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(2.6);
  }
}

@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes stageIn {
  from {
    opacity: 0;
    transform: scale(0.97) translateY(14px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes markFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-9px) rotate(1deg);
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}

@keyframes orbitSpin {
  to {
    transform: rotate(343deg);
  }
}

@keyframes orbitSpinReverse {
  to {
    transform: rotate(-332deg);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@keyframes cursorBlink {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@keyframes equalize {
  from {
    transform: scaleY(0.55);
  }
  to {
    transform: scaleY(1.15);
  }
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1200px) {
  .hero-grid {
    gap: 32px;
  }

  .float-card--team {
    width: 182px;
  }

  .float-card--mentor {
    width: 208px;
  }

  .float-card--calendar {
    width: 170px;
  }

  .float-card--verified {
    width: 184px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-link {
    padding-inline: 11px;
  }
}

@media (max-width: 1100px) {
  .section-heading {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr);
    gap: 42px;
  }

  .why-top {
    gap: 48px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-card {
    grid-column: auto;
    min-height: 480px;
  }

  .feature--achievement {
    min-height: 480px;
  }

  .achievement-body {
    grid-template-columns: minmax(0, 1fr) 202px;
    gap: 18px;
  }

  .achievement-stats {
    gap: 17px;
  }

  .achievement-stat strong {
    font-size: 1.35rem;
  }
}

@media (min-width: 981px) and (max-width: 1100px) {
  .stage-mark {
    width: 47%;
  }

  .float-card--team {
    width: 168px;
    padding: 12px;
  }

  .float-card--calendar {
    width: 158px;
    padding: 12px;
  }

  .float-card--mentor {
    width: 196px;
    padding: 12px;
  }

  .float-card--verified {
    width: 176px;
    padding: 12px;
  }

  .float-card strong {
    font-size: 0.76rem;
  }

  .float-card small {
    font-size: 0.56rem;
  }

  .float-card--verified strong {
    font-size: 0.73rem;
  }

  .float-card--verified small {
    font-size: 0.53rem;
  }

  .fc-date {
    width: 38px;
    height: 41px;
  }

  .fc-calendar-copy b {
    font-size: 0.71rem;
  }

  .h-avatar {
    width: 26px;
    height: 26px;
  }

  .fc-mentor-row small {
    max-width: 108px;
  }

  .feature--mentor,
  .feature--achievement {
    grid-column: span 2;
  }

  .feature--mentor {
    display: grid;
    min-height: 390px;
    grid-template-columns: minmax(0, 1fr) minmax(310px, 0.82fr);
    grid-template-rows: auto auto;
    align-content: center;
    align-items: center;
    column-gap: clamp(36px, 5vw, 58px);
    row-gap: 26px;
  }

  .feature--mentor .feature-top {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .feature--mentor .feature-copy {
    grid-column: 1;
  }

  .feature--mentor .mentor-visual {
    grid-column: 2;
    grid-row: 2;
    margin-top: 0;
    padding-top: 0;
  }

  .feature--achievement {
    min-height: 440px;
  }

  .feature--achievement .achievement-body {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 0.72fr);
    gap: clamp(24px, 4vw, 48px);
  }

  .feature--achievement .achievement-copy p {
    max-width: 48ch;
  }

  .feature--experience,
  .feature--ai {
    min-height: 405px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 72px;
  }

  .nav-wrap {
    width: calc(100% - 48px);
  }

  .nav {
    grid-template-columns: auto 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .brand {
    width: 146px;
  }

  .nav-actions {
    gap: 10px;
  }

  .hero {
    padding-top: 48px;
    padding-bottom: 64px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .hero-copy {
    max-width: 690px;
  }

  .hero-title {
    font-size: clamp(3.15rem, 7.1vw, 4.6rem);
  }

  .hero-lede {
    max-width: 610px;
  }

  .hero-foot {
    max-width: 610px;
  }

  .hero-visual {
    margin-top: 4px;
  }

  .hero-stage {
    width: min(100%, 610px);
  }

  .stage-mark {
    width: 48%;
  }

  .float-card--team {
    width: 200px;
  }

  .float-card--mentor {
    width: 222px;
  }

  .float-card--calendar {
    width: 184px;
  }

  .float-card--verified {
    width: 196px;
  }

  .why-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .why-heading .section-title {
    max-width: 760px;
  }

  .why-copy {
    max-width: 620px;
    padding-bottom: 0;
  }

  .why-signature {
    margin-top: 20px;
  }

  .section-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .section-heading > p {
    max-width: 560px;
  }

  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-card {
    min-height: 455px;
  }

  .feature--match,
  .feature--calendar {
    min-height: 485px;
  }

  .feature--mentor,
  .feature--achievement {
    min-height: 445px;
  }

  .feature--experience,
  .feature--ai {
    min-height: 405px;
  }

  .achievement-body {
    grid-template-columns: minmax(0, 1.1fr) minmax(230px, 0.75fr);
    gap: 28px;
  }

  .match-team {
    grid-template-columns: repeat(3, minmax(0, 1fr)) 58px;
  }

  .member {
    padding: 14px;
  }

  .finale-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .finale-copy {
    max-width: 680px;
  }

  .project-card {
    width: min(100%, 500px);
  }
}

@media (max-width: 760px) {
  .container {
    width: calc(100% - 48px);
  }

  .nav-wrap {
    width: calc(100% - 40px);
  }

  .section {
    padding: 80px 0;
  }

  .hero {
    padding-top: 38px;
    padding-bottom: 58px;
  }

  .hero-title {
    font-size: clamp(2.8rem, 9.1vw, 3.7rem);
  }

  .hero-lede {
    font-size: 0.93rem;
    line-height: 1.9;
  }

  .hero-foot {
    flex-wrap: wrap;
    gap: 17px;
    padding-top: 18px;
  }

  .hero-status {
    width: 100%;
    margin-left: 0;
  }

  .hero-stage {
    width: min(100%, 570px);
  }

  .why-values {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 44px;
    border-top: 0;
  }

  .why-value {
    padding: 23px 0;
    border-top: 1px solid var(--line);
  }

  .why-value + .why-value {
    padding-left: 0;
    border-left: 0;
  }

  .why-value p {
    max-width: 540px;
  }

  .journey-track {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    margin-top: 48px;
    padding-top: 0;
    padding-left: 30px;
  }

  .journey-line {
    top: 7px;
    bottom: 8px;
    left: 5px;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, rgba(63, 188, 254, 0.5), rgba(94, 113, 245, 0.5) 50%, rgba(138, 107, 255, 0.42));
  }

  .journey-step {
    padding: 0 0 33px;
  }

  .journey-step:last-child {
    padding-bottom: 0;
  }

  .journey-step .journey-dot {
    top: 5px;
    left: -30px;
    width: 12px;
    height: 12px;
    border-width: 3px;
    border-color: #f2f9ff;
  }

  .journey-step p {
    max-width: 46ch;
  }

  .journey-ai {
    align-items: flex-start;
    margin-top: 36px;
    padding: 14px;
  }

  .journey-ai-tail {
    display: none;
  }

  .project-card {
    width: 100%;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px 24px;
    padding: 26px 0 30px;
  }

  .footer-brand {
    width: 158px;
  }

  .footer-tagline {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: start;
    text-align: left;
  }

  .footer-meta {
    align-items: flex-end;
  }
}

@media (max-width: 680px) {
  :root {
    --header-h: 68px;
  }

  .brand {
    width: 132px;
  }

  .nav-actions {
    gap: 8px;
  }

  .btn--header {
    min-height: 38px;
    padding-inline: 14px;
    font-size: 0.74rem;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .mobile-menu {
    padding: 20px 20px 28px;
  }

  .mobile-menu-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .mobile-menu-footer p {
    text-align: left;
  }

  .container {
    width: calc(100% - 40px);
  }

  .hero-badge {
    gap: 8px;
    font-size: 0.61rem;
  }

  .hero-badge-en {
    font-size: 0.57rem;
  }

  .hero-title {
    margin-top: 24px;
    font-size: clamp(2.6rem, 11.2vw, 3.35rem);
    letter-spacing: -0.06em;
    line-height: 1.2;
  }

  .hero-actions {
    gap: 9px;
    margin-top: 27px;
  }

  .hero-actions .btn {
    min-height: 48px;
    padding-inline: 18px;
    font-size: 0.83rem;
  }

  .hero-metrics {
    gap: 14px;
  }

  .metric {
    gap: 7px;
  }

  .metric strong {
    font-size: 1.35rem;
  }

  .metric span {
    font-size: 0.64rem;
  }

  .hero-stage {
    width: min(100%, 390px);
    aspect-ratio: 1 / 1.06;
    margin-inline: auto;
  }

  .stage-mark {
    width: 51%;
    animation-duration: 10s;
  }

  .orbit--outer {
    width: 82%;
  }

  .orbit--inner {
    width: 59%;
  }

  .float-card--calendar,
  .float-card--verified {
    display: none;
  }

  .float-card--team {
    top: 4%;
    left: 0;
    width: 153px;
    padding: 12px;
    border-radius: 15px;
  }

  .float-card--mentor {
    right: 0;
    bottom: 4%;
    left: auto;
    width: 178px;
    padding: 12px;
    border-radius: 15px;
  }

  .float-card strong {
    font-size: 0.72rem;
  }

  .float-card small {
    font-size: 0.55rem;
  }

  .fc-label {
    font-size: 0.56rem;
  }

  .h-avatar {
    width: 25px;
    height: 25px;
    font-size: 0.53rem;
  }

  .h-avatars {
    margin-top: 9px;
  }

  .fc-status {
    font-size: 0.45rem;
  }

  .fc-mentor-row small {
    max-width: 95px;
    font-size: 0.53rem;
  }

  .stage-spark--one {
    right: 9%;
  }

  .stage-spark--two {
    left: 7%;
  }

  .section-title {
    font-size: clamp(2.05rem, 8.5vw, 2.7rem);
  }

  .section-heading > p,
  .why-copy > p {
    font-size: 0.87rem;
  }

  .why-copy > p:first-child {
    font-size: 1rem;
  }

  .feature-grid {
    gap: 14px;
  }

  .feature-card {
    min-height: 0;
    padding: 23px;
    border-radius: 24px;
  }

  .feature--calendar,
  .feature--match {
    min-height: 445px;
  }

  .feature--mentor,
  .feature--achievement,
  .feature--experience,
  .feature--ai {
    min-height: 0;
  }

  .feature-top {
    margin-bottom: 22px;
  }

  .feature-code {
    font-size: 0.57rem;
  }

  .feature-icon {
    width: 37px;
    height: 37px;
    border-radius: 11px;
  }

  .feature-icon .icon {
    width: 17px;
    height: 17px;
  }

  .feature-card h3 {
    font-size: 1.32rem;
  }

  .feature-card p {
    font-size: 0.82rem;
  }

  .mini-calendar {
    margin-top: 24px;
    padding: 14px;
  }

  .feature--calendar .feature-copy {
    margin-bottom: 0;
  }

  .cal-day {
    height: 24px;
  }

  .match-visual {
    padding-top: 24px;
  }

  .match-bar {
    flex-wrap: wrap;
    gap: 4px 10px;
  }

  .match-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .member {
    padding: 11px;
  }

  .member-add {
    display: none;
  }

  .member-avatar {
    margin-bottom: 9px;
  }

  .member b {
    font-size: 0.65rem;
  }

  .member small {
    font-size: 0.51rem;
  }

  .mentor-visual,
  .achievement-body {
    margin-top: 25px;
  }

  .feature--experience .feature-copy,
  .feature--ai .feature-copy {
    margin-bottom: 25px;
  }

  .testimonial,
  .ai-console {
    margin-top: 0;
  }

  .mentor-flow {
    flex-wrap: wrap;
    white-space: normal;
  }

  .mentor-project {
    margin-top: 9px;
  }

  .achievement-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .achievement-copy {
    height: auto;
  }

  .achievement-stats {
    margin-top: 21px;
  }

  .certificate {
    width: min(100%, 310px);
    justify-self: center;
    transform: rotate(1.5deg);
  }

  .testimonial {
    padding: 16px;
  }

  .testimonial figcaption {
    flex-wrap: wrap;
  }

  .testimonial-chips {
    width: 100%;
    margin-top: 4px;
    margin-left: 35px;
  }

  .ai-console {
    padding: 13px;
  }

  .journey-ai p {
    font-size: 0.7rem;
  }

  .finale {
    padding-top: 80px;
    padding-bottom: 76px;
  }

  .finale-title {
    font-size: clamp(2.35rem, 9.8vw, 3rem);
  }

  .finale-copy > p {
    font-size: 0.88rem;
  }

  .finale-actions {
    gap: 9px;
  }

  .finale-actions .btn {
    min-height: 48px;
    padding-inline: 18px;
    font-size: 0.82rem;
  }

  .project-card {
    padding: 20px;
    border-radius: 22px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .footer-tagline {
    grid-column: auto;
    grid-row: auto;
  }

  .footer-meta {
    align-items: flex-start;
    margin-top: 2px;
    text-align: left;
  }

  .footer-meta .back-top {
    display: none;
  }
}

@media (max-width: 500px) {
  .btn--header {
    display: none;
  }

  .nav {
    grid-template-columns: 1fr auto;
  }

  .btn--ghost {
    background: rgba(255, 255, 255, 0.46);
  }

  .hero-badge {
    max-width: 100%;
    padding-right: 11px;
  }

  .hero-badge-divider {
    display: none;
  }

  .hero-badge > span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero-title {
    font-size: clamp(2.42rem, 11.7vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-foot {
    margin-top: 28px;
  }

  .metric {
    display: block;
  }

  .metric span {
    display: block;
    margin-top: 4px;
  }

  .hero-stage {
    width: calc(100% + 10px);
    margin-left: -5px;
  }

  .float-card--team {
    width: 142px;
  }

  .float-card--mentor {
    width: 169px;
  }

  .float-card--mentor strong {
    font-size: 0.68rem;
  }

  .fc-mentor-row small {
    max-width: 84px;
  }

  .why-value h3 {
    font-size: 1.06rem;
  }

  .feature-card {
    padding: 20px;
  }

  .feature--calendar {
    min-height: 432px;
  }

  .cal-day {
    height: 23px;
    font-size: 0.6rem;
  }

  .cal-weekdays {
    font-size: 0.49rem;
  }

  .match-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .member {
    padding: 10px;
  }

  .member-avatar {
    width: 29px;
    height: 29px;
    margin-bottom: 8px;
  }

  .member b {
    font-size: 0.62rem;
  }

  .member small {
    font-size: 0.48rem;
  }

  .achievement-stats {
    justify-content: space-between;
    gap: 10px;
  }

  .achievement-stat strong {
    font-size: 1.4rem;
  }

  .finale-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .finale-actions .btn {
    width: 100%;
  }

  .project-head {
    gap: 10px;
  }

  .project-title span {
    font-size: 0.43rem;
    letter-spacing: 0.1em;
  }

  .project-title b {
    font-size: 0.6rem;
  }

  .project-row {
    gap: 13px;
  }

  .project-row strong {
    font-size: 0.61rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    translate: none;
  }

  .signal-track {
    animation: none;
    transform: none;
  }
}