/* ════════════════════════════════════════════
   MIXWHALE · World-class Minimalist
   Bilingual (中文 / English) · Black & White
   ════════════════════════════════════════════ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
em { font-style: italic; }

/* ── Tokens ── */
:root {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --ink: #0A0A0A;
  --ink-2: #2A2A2A;
  --muted: #6B6B6B;
  --muted-2: #9A9A9A;
  --line: #E8E8E8;
  --line-2: #F0F0F0;
  --accent: #0A2540;        /* deep navy, ocean-deep */
  --accent-soft: #E6EEF6;
  --dark: #0A0A0A;
  --light: #FAFAFA;

  --serif-en: 'Instrument Serif', 'Noto Serif SC', Georgia, serif;
  --serif-cn: 'Noto Serif SC', 'Instrument Serif', Georgia, serif;
  --sans-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sans-cn: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius: 4px;
  --radius-lg: 12px;
  --shadow-1: 0 1px 2px rgba(10,10,10,.04);
  --shadow-2: 0 12px 40px -12px rgba(10,10,10,.08);

  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --t-fast: .25s;
  --t-med:  .5s;
  --t-slow: .9s;

  --container: 1280px;
  --pad: clamp(20px, 4vw, 48px);
}

/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans-cn);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "cv11";
  overflow-x: hidden;
}
[lang="en"] body { font-family: var(--sans-en); }

::selection { background: var(--ink); color: var(--bg); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-family: var(--serif-cn);
}
[lang="en"] h1, [lang="en"] h2, [lang="en"] h3, [lang="en"] h4, [lang="en"] h5 {
  font-family: var(--serif-en);
  font-weight: 400;
}

p { margin: 0; }

/* ══════════ NAV ══════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), backdrop-filter var(--t-fast) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(250,250,250,.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans-cn);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--ink);
}
.nav__brand-mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: transparent;
  color: var(--ink);
  border-radius: 2px;
  font-family: var(--serif-en);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1;
  overflow: hidden;
}
.nav__brand-mark img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  /* On light bg, force the logo to render in ink (black) so it stays visible */
  filter: brightness(0) saturate(100%);
}
.nav__menu {
  display: flex;
  gap: 36px;
  font-size: 14px;
  color: var(--ink-2);
}
.nav__menu a {
  position: relative;
  padding: 6px 0;
  transition: color var(--t-fast) var(--ease);
}
.nav__menu a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--t-med) var(--ease);
}
.nav__menu a:hover { color: var(--ink); }
.nav__menu a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__tools {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
}
.lang__btn {
  padding: 4px 6px;
  color: var(--muted);
  transition: color var(--t-fast) var(--ease);
}
.lang__btn.is-active { color: var(--ink); }
.lang__btn:hover { color: var(--ink); }
.lang__sep { color: var(--muted-2); }

.nav__toggle {
  display: none;
  width: 32px; height: 32px;
  position: relative;
}
.nav__toggle span {
  position: absolute;
  left: 6px; right: 6px;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--t-fast) var(--ease), top var(--t-fast) var(--ease);
}
.nav__toggle span:nth-child(1) { top: 12px; }
.nav__toggle span:nth-child(2) { top: 19px; }
.nav__toggle.is-open span:nth-child(1) { top: 15.5px; transform: rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { top: 15.5px; transform: rotate(-45deg); }

/* ══════════ HERO ══════════ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 0 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-2) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-2) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  opacity: .7;
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 36px;
  opacity: 0;
  animation: fadeUp .9s var(--ease-out) .2s forwards;
}
.dot {
  width: 6px; height: 6px;
  background: var(--ink);
  border-radius: 50%;
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: .5; }
}
.hero__title {
  font-size: clamp(48px, 9vw, 132px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 400;
  margin-bottom: 40px;
  text-wrap: balance;
  word-break: keep-all;
}
[lang="zh-CN"] .hero__title { font-size: clamp(44px, 7.5vw, 110px); letter-spacing: -0.02em; }
.hero__title .line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s var(--ease-out) forwards;
}
.hero__title .line:nth-child(1) { animation-delay: .35s; }
.hero__title .line:nth-child(2) { animation-delay: .5s; }
.hero__title .line:nth-child(3) { animation-delay: .65s; }
.hero__title .line--italic {
  font-style: italic;
  color: var(--muted);
  padding-left: 1.5em;
}
.hero__title .line--accent {
  color: var(--ink);
  position: relative;
}
.cursor {
  display: inline-block;
  margin-left: 8px;
  font-weight: 200;
  color: var(--ink);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.hero__sub {
  max-width: 620px;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.7;
  color: var(--ink-2);
  margin-bottom: 48px;
  opacity: 0;
  animation: fadeUp .9s var(--ease-out) .9s forwards;
}
.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp .9s var(--ease-out) 1.05s forwards;
}
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted-2);
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 1.4s forwards;
}
.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--muted-2), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ink);
  animation: scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: all var(--t-med) var(--ease);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--ink);
  color: var(--bg);
}
.btn--primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -8px rgba(10,37,64,.35);
}
.btn--primary svg { transition: transform var(--t-med) var(--ease); }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn--lg { padding: 18px 32px; font-size: 15px; }

/* ══════════ TICKER ══════════ */
.ticker {
  background: var(--ink);
  color: var(--bg);
  padding: 22px 0;
  overflow: hidden;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.ticker__track {
  display: flex;
  gap: 48px;
  align-items: center;
  white-space: nowrap;
  animation: ticker 40s linear infinite;
  font-family: var(--serif-en);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
[lang="zh-CN"] .ticker__track { font-family: var(--serif-cn); }
.ticker__star {
  color: var(--muted-2);
  font-size: 16px;
  font-family: var(--mono);
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ══════════ SECTIONS ══════════ */
.section {
  padding: clamp(80px, 12vw, 160px) 0;
  position: relative;
}
.section--alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--dark {
  background: var(--ink);
  color: var(--bg);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.section__head {
  max-width: 880px;
  margin-bottom: clamp(48px, 7vw, 96px);
  position: relative;
}
.section__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 16px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.section--dark .section__num { color: var(--muted-2); border-color: rgba(255,255,255,.18); }
.section__kicker {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.section--dark .section__kicker { color: var(--muted-2); }
.section__title {
  font-size: clamp(36px, 5.5vw, 80px);
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: 24px;
  text-wrap: balance;
  word-break: keep-all;
  overflow-wrap: break-word;
}
[lang="zh-CN"] .section__title { font-size: clamp(32px, 4.4vw, 64px); }
.section__title em {
  color: var(--muted);
  font-weight: 400;
}
.section--dark .section__title em { color: var(--muted-2); }
.section__lede {
  max-width: 640px;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.7;
  color: var(--muted);
}
.section__head--light .section__title { color: var(--bg); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════ STATS ══════════ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 96px;
}
.stat {
  padding: 48px 32px;
  border-right: 1px solid var(--line);
  position: relative;
  transition: background var(--t-med) var(--ease);
}
.stat:last-child { border-right: 0; }
.stat:hover { background: var(--surface); }
.stat__num {
  font-family: var(--serif-en);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
  color: var(--ink);
}
[lang="zh-CN"] .stat__num { font-family: var(--serif-cn); }
.stat__num span {
  font-size: 0.5em;
  color: var(--muted);
  margin-left: 4px;
  font-weight: 400;
}
.stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  letter-spacing: 0.01em;
}

/* ══════════ PRIORITY MATRIX ══════════ */
.matrix-priority {
  border-top: 1px solid var(--line);
  padding-top: 56px;
}
.matrix-priority__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}
.matrix-priority__head h3 {
  font-size: clamp(22px, 2.5vw, 32px);
  letter-spacing: -0.02em;
}
.matrix-priority__head span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.matrix-priority__rows {
  display: flex;
  flex-direction: column;
}
.prio {
  display: grid;
  grid-template-columns: 80px 1fr 2fr;
  align-items: center;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  transition: padding var(--t-med) var(--ease);
  position: relative;
}
.prio:last-child { border-bottom: 1px solid var(--line); }
.prio::before {
  content: '';
  position: absolute;
  left: -16px; right: -16px;
  top: 0; bottom: 0;
  background: var(--surface);
  opacity: 0;
  transition: opacity var(--t-med) var(--ease);
  z-index: -1;
}
.prio:hover::before { opacity: 1; }
.prio:hover { padding-left: 16px; }
.prio__rank {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.prio__name {
  font-family: var(--serif-cn);
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--ink);
}
[lang="en"] .prio__name { font-family: var(--serif-en); }
.prio__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ══════════ MATRIX GRID (4 cards) ══════════ */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-bottom: 96px;
}
.mcard {
  padding: 48px 40px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  background: var(--surface);
  transition: background var(--t-med) var(--ease);
  display: flex;
  flex-direction: column;
  min-height: 360px;
}
.mcard::before {
  content: attr(data-tag);
  position: absolute;
  top: 24px; right: 32px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.12em;
}
.mcard:hover { background: var(--bg); }
.mcard__icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  margin-bottom: 32px;
  transition: all var(--t-med) var(--ease);
}
.mcard:hover .mcard__icon {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.mcard__title {
  font-size: clamp(24px, 2.5vw, 32px);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.mcard__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 36ch;
}
.mcard__list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}
.mcard__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.mcard__list li::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--ink);
  border-radius: 50%;
  margin-top: 9px;
  flex-shrink: 0;
}
.mcard__list b { font-weight: 600; color: var(--ink); }

/* ══════════ TRAINING ══════════ */
.training {
  border-top: 1px solid var(--line);
  padding-top: 56px;
  margin-bottom: 96px;
}
.training__head { margin-bottom: 40px; }
.training__head h3 {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -0.02em;
}
.training__steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-bottom: 48px;
}
.step {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  transition: background var(--t-med) var(--ease);
}
.step:hover { background: var(--bg); }
.step__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.step h4 {
  font-size: 19px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.training__courses {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.training__courses-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 8px;
}
.training__course {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  background: var(--surface);
  transition: all var(--t-fast) var(--ease);
  cursor: default;
}
.training__course:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  transform: translateY(-2px);
}

/* ══════════ SOLUTIONS ══════════ */
.solutions {
  border-top: 1px solid var(--line);
  padding-top: 56px;
}
.solutions__title {
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.sol {
  padding: 32px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  transition: all var(--t-med) var(--ease);
  position: relative;
}
.sol:hover {
  background: var(--ink);
  color: var(--bg);
}
.sol:hover h4, .sol:hover p { color: var(--bg); }
.sol h4 {
  font-size: 18px;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.sol p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  transition: color var(--t-med) var(--ease);
}

/* ══════════ ADVANTAGE ══════════ */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.adv {
  padding: 48px 36px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background var(--t-med) var(--ease);
  min-height: 240px;
  display: flex;
  flex-direction: column;
}
.adv:hover { background: var(--surface); }
.adv__num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
}
.adv h4 {
  font-size: 26px;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--ink);
}
.adv p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-top: auto;
}

/* ══════════ SUMMIT ══════════ */
.summit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.15);
  border-left: 1px solid rgba(255,255,255,.15);
}
.summit {
  padding: 48px 40px;
  border-right: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  transition: background var(--t-med) var(--ease);
}
.summit:hover { background: var(--accent); }
.summit__date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.16em;
  margin-bottom: 24px;
}
.summit h3 {
  font-size: clamp(28px, 3vw, 40px);
  color: var(--bg);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.summit p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted-2);
  margin-bottom: 28px;
}
.summit__tag {
  margin-top: auto;
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.12);
  width: 100%;
}

/* ══════════ MANIFESTO ══════════ */
.manifesto {
  padding: clamp(100px, 14vw, 180px) 0;
  background: var(--bg);
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.manifesto__quote {
  font-family: var(--serif-cn);
  font-size: clamp(32px, 5vw, 72px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 14ch;
  margin: 0 auto;
  position: relative;
  color: var(--ink);
}
[lang="en"] .manifesto__quote { font-family: var(--serif-en); }
.manifesto__quote em { color: var(--muted); font-weight: 400; }
.manifesto__mark {
  display: block;
  font-family: var(--serif-en);
  font-size: 1.2em;
  color: var(--muted-2);
  line-height: 0.5;
  margin-bottom: 16px;
}
.manifesto__attr {
  margin-top: 48px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ══════════ CONTACT ══════════ */
.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin-bottom: 64px;
}
.contact__item {
  padding: 40px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
  position: relative;
  transition: background var(--t-med) var(--ease);
}
.contact__item:hover { background: var(--bg); }
.contact__item--static { cursor: default; }
.contact__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact__value {
  font-family: var(--serif-cn);
  font-size: clamp(18px, 1.6vw, 24px);
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.3;
}
[lang="en"] .contact__value { font-family: var(--serif-en); }
.contact__item svg {
  margin-top: auto;
  align-self: flex-end;
  color: var(--ink);
  transition: transform var(--t-med) var(--ease);
}
.contact__item:hover svg { transform: translate(4px, -4px); }
.contact__meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}
.contact__cta {
  display: flex;
  justify-content: center;
}

/* ══════════ FOOTER ══════════ */
.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  background: var(--bg);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.footer__brand .nav__brand-mark {
  width: 22px; height: 22px;
}
.footer__brand .nav__brand-mark img { width: 100%; height: 100%; }
.footer__meta {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.footer__sep { color: var(--muted-2); }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 1024px) {
  .nav__menu { display: none; }
  .nav__toggle { display: block; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .training__steps { grid-template-columns: repeat(3, 1fr); }
  .advantage-grid { grid-template-columns: repeat(2, 1fr); }
  .summit-grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .hero { padding: 120px 0 60px; min-height: 90vh; }
  .hero__scroll { display: none; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .matrix-grid { grid-template-columns: 1fr; }
  .mcard { min-height: auto; padding: 36px 24px; }
  .training__steps { grid-template-columns: 1fr; }
  .advantage-grid { grid-template-columns: 1fr; }
  .solutions__grid { grid-template-columns: 1fr; }
  .prio { grid-template-columns: 60px 1fr; }
  .prio__desc { grid-column: 2; }
  .summit { padding: 32px 24px; min-height: auto; }
  .contact__item { padding: 28px 24px; }
  .ticker__track { font-size: 22px; gap: 32px; }
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 100px var(--pad) 60px;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--serif-cn);
  font-size: 36px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}
[lang="en"] .mobile-menu a { font-family: var(--serif-en); }
.mobile-menu a:hover { padding-left: 12px; transition: padding var(--t-med) var(--ease); }

/* Smooth scroll offset for fixed nav */
html { scroll-padding-top: 80px; }