/* ---------- Fonts ---------- */
@font-face {
  font-family: "InterLocal";
  src: url("../fonts/inter-cyrillic.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "InterLocal";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- Tokens ---------- */
:root {
  --ink: #1d1d1f;
  --ink-2: #424245;
  --muted: #6e6e73;
  --line: #e3e3e8;
  --soft: #f5f5f7;
  --white: #ffffff;
  --dark: #0b0b0d;
  --dark-2: #161618;
  --accent: #2f5bff;
  --accent-2: #8a5cff;
  --radius: 28px;
  --radius-s: 18px;
  --wrap: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "InterLocal", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------- Type ---------- */
h1 {
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 650;
}
h2 {
  font-size: clamp(34px, 4.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 650;
}
h3 {
  font-size: 21px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 600;
}
.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow--light { color: #8fa6ff; }
.lead {
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.45;
  color: var(--ink-2);
  letter-spacing: -0.01em;
  max-width: 34em;
}
.grad {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { background: #000; transform: translateY(-1px); box-shadow: 0 10px 30px -12px rgba(0,0,0,.45); }
.btn--small { height: 36px; padding: 0 18px; font-size: 14px; }
.btn--ghost { background: transparent; color: var(--ink); padding: 0 6px; }
.btn--ghost:hover { background: transparent; box-shadow: none; color: var(--accent); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #fff; box-shadow: 0 10px 30px -12px rgba(255,255,255,.35); }
.btn--outline-light { background: transparent; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); }
.btn--outline-light:hover { background: rgba(255,255,255,.08); box-shadow: inset 0 0 0 1px rgba(255,255,255,.6); }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 32px; height: 60px; }
.nav__brand { font-weight: 600; letter-spacing: -0.015em; font-size: 17px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; color: var(--ink-2); }
.nav__links a { transition: color .2s; }
.nav__links a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: clamp(48px, 7vw, 96px) 0 40px; }
.hero__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero h1 { margin-bottom: 28px; }
.hero__cta { display: flex; gap: 14px; align-items: center; margin-top: 40px; flex-wrap: wrap; }
.hero__photo {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--soft);
  aspect-ratio: 1 / 1;
  box-shadow: 0 40px 80px -40px rgba(17, 24, 39, .35);
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }

.trust {
  margin-top: clamp(56px, 7vw, 88px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.trust__item { padding: 26px 28px 0 0; display: flex; flex-direction: column; gap: 6px; }
.trust__item + .trust__item { padding-left: 28px; border-left: 1px solid var(--line); }
.trust__label { font-size: 13px; color: var(--muted); }
.trust__value { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.35; }

/* ---------- Numbers ---------- */
.numbers { padding: clamp(56px, 7vw, 96px) 0; }
.numbers__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.num {
  background: var(--soft);
  border-radius: var(--radius-s);
  padding: 30px 26px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.num__v { font-size: clamp(36px, 3.8vw, 52px); font-weight: 650; letter-spacing: -0.04em; line-height: 1; }
.num__l { font-size: 15px; color: var(--muted); line-height: 1.4; }

/* ---------- Statement ---------- */
.statement {
  background: var(--dark);
  color: #fff;
  padding: clamp(96px, 12vw, 168px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.statement::before {
  content: "";
  position: absolute;
  inset: auto -20% -60% -20%;
  height: 120%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(80, 100, 255, .28) 0%, rgba(138, 92, 255, .10) 45%, transparent 70%);
  pointer-events: none;
}
.statement .wrap { position: relative; }
.statement__kicker { font-size: 14px; font-weight: 600; color: #8fa6ff; margin-bottom: 24px; }
.statement__title {
  font-size: clamp(40px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}
.statement__text {
  margin: 36px auto 0;
  max-width: 30em;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.5;
  color: rgba(255,255,255,.68);
}

/* ---------- Sections ---------- */
.section { padding: clamp(88px, 10vw, 140px) 0; }
.section--tight { padding: clamp(56px, 7vw, 88px) 0; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--dark); color: #fff; }
.section--dark .section__lead { color: rgba(255,255,255,.62); }
.section__head { max-width: 760px; margin-bottom: clamp(44px, 5vw, 68px); }
.section__lead { margin-top: 22px; font-size: 19px; line-height: 1.5; color: var(--muted); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 30px 26px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(17,24,39,.35); border-color: transparent; }
.card__n { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: .04em; }
.card p { color: var(--muted); font-size: 16px; line-height: 1.5; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip {
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  color: var(--ink-2);
  border: 1px solid var(--line);
}

/* Program */
.program { border-top: 1px solid #d9d9de; }
.program__item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid #d9d9de;
}
.program__idx { font-size: 15px; font-weight: 600; color: var(--muted); padding-top: 3px; }
.program__item h3 { font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.025em; margin-bottom: 10px; }
.program__item p { color: var(--ink-2); max-width: 46em; }


/* Evidence */
.evidence { display: grid; grid-template-columns: 1fr 1.3fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.evidence__lead { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.2; letter-spacing: -0.03em; font-weight: 600; }
.evidence__list li { padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 16px; }
.evidence__list li:first-child { border-top: 1px solid var(--line); }
.evidence__list b { color: var(--ink); font-weight: 600; margin-right: 8px; }

/* Videos */
.videos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 40px 24px; }
.videos > .video { grid-column: span 2; }
.videos > .video:nth-child(5), .videos > .video:nth-child(6) { grid-column: span 3; }
.videos > .video--featured { grid-column: 1 / -1; margin-bottom: 24px; }
.video--featured .video__play::before { width: 64px; height: 64px; background-size: 26px; }
.video--featured .video__play { padding: 22px; }
.video--featured .video__dur { bottom: 38px; right: 22px; }
.video--featured .video__title { font-size: clamp(26px, 2.6vw, 36px); letter-spacing: -0.03em; line-height: 1.15; }
.video { display: flex; flex-direction: column; gap: 16px; }
.video__frame {
  position: relative;
  border-radius: var(--radius-s);
  overflow: hidden;
  background: var(--dark-2);
  aspect-ratio: 16 / 9;
}
.video__frame video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video__play {
  position: absolute; inset: 0;
  display: flex; align-items: flex-end; justify-content: flex-start;
  border: 0; padding: 14px; margin: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.5));
  cursor: pointer;
  transition: opacity .3s;
}
.video__play::before {
  content: "";
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M8 5.5v13l11-6.5z'/%3E%3C/svg%3E") no-repeat 56% 50% / 20px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.3);
  transition: transform .3s var(--ease), background-color .3s;
}
.video__play:hover::before { transform: scale(1.08); background-color: rgba(255,255,255,.28); }
.video.is-playing .video__play { opacity: 0; pointer-events: none; }
.video__dur {
  position: absolute; right: 14px; bottom: 23px;
  font-size: 13px; font-weight: 500;
  padding: 3px 9px; border-radius: 8px;
  background: rgba(0,0,0,.55); color: #fff;
  pointer-events: none;
}
.video.is-playing .video__dur { display: none; }
.video__title { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; line-height: 1.3; }
.video__src { font-size: 14px; color: rgba(255,255,255,.5); margin-top: -8px; }

/* About */
.about { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 6vw, 96px); align-items: center; }
.about__photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: var(--soft); }
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.about__text h2 { margin-bottom: 26px; }
.about__lead { font-size: clamp(19px, 1.6vw, 22px); line-height: 1.5; color: var(--ink-2); letter-spacing: -0.01em; margin-bottom: 20px; }
.about__text p:not(.about__lead):not(.eyebrow) { color: var(--muted); }

.creds { margin: 28px 0 0; border-top: 1px solid var(--line); }
.creds div { display: grid; grid-template-columns: 72px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.creds dt { font-weight: 650; font-size: 15px; letter-spacing: -0.01em; color: var(--accent); }
.creds dd { margin: 0; font-size: 16px; color: var(--ink-2); }
.about__speaker { margin-top: 18px; font-size: 15px; color: var(--muted); }

.exp { margin-top: clamp(72px, 8vw, 112px); }
.exp__title { font-size: 14px; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; margin-bottom: 22px; }
.exp__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.exp__item { border-top: 2px solid var(--ink); padding-top: 22px; }
.exp__item h3 { font-size: 20px; letter-spacing: -0.02em; margin-bottom: 10px; }
.exp__item p { color: var(--muted); font-size: 15.5px; line-height: 1.5; }

/* Formats */
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.format {
  background: #fff;
  border-radius: var(--radius-s);
  padding: 34px 30px 36px;
  display: flex; flex-direction: column; gap: 12px;
}
.format h3 { font-size: 24px; letter-spacing: -0.025em; }
.format p { color: var(--muted); }

/* Contact */
.contact {
  background: var(--dark);
  color: #fff;
  padding: clamp(96px, 12vw, 160px) 0 clamp(80px, 10vw, 128px);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto -10%;
  height: 110%;
  background: radial-gradient(45% 50% at 50% 50%, rgba(80,100,255,.22) 0%, transparent 70%);
  pointer-events: none;
}
.contact .wrap { position: relative; }
.contact__title { font-size: clamp(40px, 6vw, 80px); letter-spacing: -0.045em; line-height: 1.02; margin-bottom: clamp(48px, 6vw, 72px); }
.contact__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.contact__item {
  display: flex; flex-direction: column; gap: 10px;
  padding: 30px 32px;
  border-radius: var(--radius-s);
  background: rgba(255,255,255,.06);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
  transition: background .25s, transform .25s var(--ease);
}
.contact__item:hover { background: rgba(255,255,255,.1); transform: translateY(-2px); }
.contact__label { font-size: 14px; color: rgba(255,255,255,.5); }
.contact__value { font-size: clamp(22px, 2.6vw, 32px); font-weight: 600; letter-spacing: -0.025em; word-break: break-word; }
.contact__quick { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.contact__channel { margin-top: 48px; color: rgba(255,255,255,.5); font-size: 15px; }
.contact__channel a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.35); }

/* Footer */
.footer { background: var(--dark); color: rgba(255,255,255,.4); font-size: 14px; }
.footer__inner { display: flex; justify-content: space-between; padding-top: 28px; padding-bottom: 28px; border-top: 1px solid rgba(255,255,255,.08); }
.footer a:hover { color: #fff; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .cards, .numbers__grid { grid-template-columns: repeat(2, 1fr); }
  .videos { grid-template-columns: repeat(2, 1fr); }
  .videos > .video, .videos > .video:nth-child(5), .videos > .video:nth-child(6) { grid-column: auto; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .nav__links { display: none; }
  .nav__inner { justify-content: space-between; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__photo { order: -1; max-width: 420px; aspect-ratio: 1 / 1; }
  .trust { grid-template-columns: 1fr; }
  .trust__item, .trust__item + .trust__item { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .program__item { grid-template-columns: 1fr; gap: 8px; padding: 26px 0; }
  .exp__grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .evidence { grid-template-columns: 1fr; }
  .videos { grid-template-columns: 1fr; }
  .videos > .video, .videos > .video:nth-child(5), .videos > .video:nth-child(6) { grid-column: auto; }
  .about { grid-template-columns: 1fr; }
  .about__photo { max-width: 420px; }
  .formats, .contact__grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .cards, .numbers__grid, .exp__grid { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; justify-content: center; }
}