/* ── RESET & ROOT ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #030707;
  --bg2:         #071112;
  --card:        #0B181A;
  --card-hi:     #0F2224;
  --text:        #FFFFFF;
  --text-2:      #A7B3B5;
  --text-3:      #6F8588;
  --accent:      #2AA7A8;
  --accent-hi:   #42D6D6;
  --accent-dk:   #176F72;
  --border:      #163336;
  --btn-hover:   #35BFC0;
  --green:       #34C759;
  --glow:        rgba(66,214,214,0.18);
  --glow-sm:     rgba(66,214,214,0.08);
  --max:         1160px;
  --r:           14px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── UTILITIES ────────────────────────────────────── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--accent); font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 20px;
}
.section-label::before {
  content: ''; width: 20px; height: 1px; background: var(--accent);
}

.section-title {
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.08;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 16px; color: var(--text-2); line-height: 1.75;
  max-width: 560px;
}

.teal { color: var(--accent-hi); }

section { padding: 100px 0; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 15px;
  border-radius: 10px; padding: 14px 28px;
  text-decoration: none; cursor: pointer; border: none;
  transition: all 0.2s ease; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: #030707;
  box-shadow: 0 0 32px rgba(42,167,168,0.25);
}
.btn-primary:hover {
  background: var(--btn-hover);
  box-shadow: 0 0 48px rgba(66,214,214,0.35);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
  background: var(--glow-sm);
}

/* ── FADE-IN ANIMATION ────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── NAV ─────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0;
  transition: background 0.3s ease, border-bottom 0.3s ease;
}
nav.scrolled {
  background: rgba(3,7,7,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 28px;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-logo img { height: 30px; width: auto; display: block; }
.nav-links {
  display: flex; align-items: center; gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-2); font-size: 14px; font-weight: 500;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 10px 20px; font-size: 14px; }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 4px; background: none; border: none;
}
.nav-hamburger span {
  width: 22px; height: 2px; background: var(--text-2);
  border-radius: 2px; transition: all 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0;
  background: rgba(3,7,7,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 28px 28px;
  z-index: 99;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; margin-bottom: 20px; }
.mobile-menu ul li { padding: 12px 0; border-bottom: 1px solid var(--border); }
.mobile-menu ul li:last-child { border-bottom: none; }
.mobile-menu ul a {
  color: var(--text-2); font-size: 16px; font-weight: 500;
  text-decoration: none;
}
.mobile-menu .btn { width: 100%; justify-content: center; }

/* ── HERO ────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
  position: relative; overflow: hidden;
}

.hero-bg-glow {
  position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(ellipse, rgba(42,167,168,0.09) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid-lines {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.3;
  background-image:
    linear-gradient(rgba(22,51,54,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22,51,54,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 6px 14px 6px 10px;
  margin-bottom: 28px;
}
.hero-badge-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.hero-badge-text {
  font-size: 12px; font-weight: 600; color: var(--text-2);
  letter-spacing: 0.04em;
}

.hero-headline {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: 24px;
}
.hero-headline .line-accent {
  background: linear-gradient(135deg, var(--accent-hi) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px; color: var(--text-2); line-height: 1.7;
  max-width: 520px; margin-bottom: 36px;
}

.hero-cta-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.hero-tag {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 5px 14px;
  font-size: 12px; font-weight: 500; color: var(--text-3);
}

/* ── PHONE MOCKUP ────────────────────────────────── */
.hero-visual {
  position: relative; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
}
.phone-wrap {
  position: relative; display: flex; gap: 16px; align-items: flex-end;
}
.phone {
  width: 200px;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 32px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
}
.phone-main { width: 200px; }
.phone-secondary {
  width: 170px;
  opacity: 0.7;
  transform: translateY(20px);
}
.phone-notch {
  width: 80px; height: 24px;
  background: #000; border-radius: 0 0 16px 16px;
  margin: 0 auto;
}
.phone-screen { padding: 12px; }
.phone-statusbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 8px; margin-bottom: 12px;
  font-size: 10px; color: var(--text-3); font-weight: 600;
}
.phone-ui-card {
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px; margin-bottom: 8px;
}
.phone-ui-label {
  font-size: 9px; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px;
}
.phone-ui-stat {
  font-size: 18px; font-weight: 800; color: var(--text); letter-spacing: -0.03em;
}
.phone-ui-stat span { font-size: 11px; color: var(--accent); font-weight: 600; }
.phone-ui-bar-row { display: flex; gap: 4px; margin-top: 8px; }
.phone-ui-bar {
  flex: 1; height: 3px; border-radius: 2px; background: var(--border);
  position: relative; overflow: hidden;
}
.phone-ui-bar::after {
  content: ''; position: absolute; inset: 0;
  background: var(--accent); border-radius: 2px;
}
.phone-ui-bar:nth-child(1)::after { width: 80%; }
.phone-ui-bar:nth-child(2)::after { width: 60%; }
.phone-ui-bar:nth-child(3)::after { width: 90%; }
.phone-ui-bar:nth-child(4)::after { width: 45%; }
.phone-ui-bar:nth-child(5)::after { width: 70%; }

.phone-ui-shield {
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 6px; padding: 16px 0;
}
.shield-icon {
  width: 44px; height: 44px;
  background: rgba(42,167,168,0.12); border: 1px solid var(--accent);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.shield-icon svg { width: 22px; height: 22px; }
.shield-label { font-size: 9px; font-weight: 700; color: var(--green); letter-spacing: 0.06em; }

/* ── MOCKUP SWITCHER ─────────────────────────────── */
.mockup-switcher {
  display: flex; gap: 6px; justify-content: center;
  margin-bottom: 18px; flex-wrap: wrap;
}
.mockup-tab {
  background: transparent; border: 1px solid var(--border);
  border-radius: 100px; padding: 4px 12px;
  font-size: 11px; font-weight: 600; color: var(--text-3);
  cursor: pointer; transition: all 0.2s; font-family: inherit;
  white-space: nowrap;
}
.mockup-tab:hover { border-color: var(--accent-dk); color: var(--accent); }
.mockup-tab.active {
  background: rgba(42,167,168,0.12); border-color: var(--accent); color: var(--accent-hi);
}
.mockup-set { display: none; position: relative; }
.mockup-set.active { display: flex; gap: 16px; align-items: flex-end; }

/* ── AI CHAT UI ──────────────────────────────────── */
.chat-header {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.chat-avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-dk), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 800; color: #fff; flex-shrink: 0;
}
.chat-name { font-size: 11px; font-weight: 700; color: var(--text); line-height: 1.2; }
.chat-status { font-size: 8px; color: var(--green); }
.chat-body { display: flex; flex-direction: column; }
.chat-bubble {
  border-radius: 10px; padding: 7px 9px;
  font-size: 9px; line-height: 1.45; margin-bottom: 5px; max-width: 90%;
}
.chat-bubble-ai {
  background: var(--card-hi); border: 1px solid var(--border); color: var(--text-2);
}
.chat-bubble-user {
  background: var(--accent-dk); border: 1px solid var(--accent);
  color: var(--accent-hi); align-self: flex-end;
}
.chat-input-bar {
  display: flex; align-items: center; gap: 6px;
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 8px; margin-top: 8px;
}
.chat-input-text { flex: 1; font-size: 9px; color: var(--text-3); }
.chat-send-btn {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.prompts-label {
  font-size: 8px; font-weight: 700; color: var(--text-3);
  letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 7px;
}
.prompt-chip {
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 8px;
  font-size: 9px; color: var(--text-2); margin-bottom: 5px;
  display: flex; align-items: center; gap: 5px;
}
.prompt-chip-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.history-label {
  font-size: 8px; font-weight: 700; color: var(--text-3);
  letter-spacing: 0.07em; text-transform: uppercase; margin-top: 8px; margin-bottom: 5px;
}
.history-item {
  font-size: 9px; color: var(--text-2); padding: 4px 0;
  border-bottom: 1px solid rgba(22,51,54,0.5);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ── AI CAMERA UI ────────────────────────────────── */
.photo-frame {
  border-radius: 10px; overflow: hidden;
  height: 88px; margin-bottom: 8px; position: relative;
}
.photo-ai-badge {
  position: absolute; top: 7px; right: 7px;
  background: rgba(42,167,168,0.2); border: 1px solid var(--accent);
  border-radius: 5px; padding: 3px 6px;
  font-size: 8px; font-weight: 700; color: var(--accent-hi);
}
.photo-toolbar {
  display: flex; gap: 4px; justify-content: space-between; margin-bottom: 7px;
}
.photo-tool {
  flex: 1; background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 2px; text-align: center;
  font-size: 8px; font-weight: 600; color: var(--text-3);
}
.photo-tool.active { background: rgba(42,167,168,0.12); border-color: var(--accent); color: var(--accent-hi); }
.photo-stat-row { display: flex; gap: 4px; }
.photo-stat {
  flex: 1; background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 4px;
}
.photo-stat-label { font-size: 7px; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px; }
.photo-stat-val { font-size: 11px; font-weight: 700; color: var(--accent-hi); }
.split-frame {
  border-radius: 10px; overflow: hidden;
  height: 82px; position: relative; margin-bottom: 8px;
}
.split-label {
  position: absolute; top: 6px;
  font-size: 7px; font-weight: 700; padding: 2px 5px;
  border-radius: 4px; letter-spacing: 0.04em;
}
.split-label-before { left: 6px; background: rgba(0,0,0,0.5); color: var(--text-3); }
.split-label-after { right: 6px; background: rgba(42,167,168,0.3); color: var(--accent-hi); }
.split-divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--accent); transform: translateX(-50%); }
.split-handle {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 2px solid #fff;
}
.photo-save-btn {
  background: var(--accent); border-radius: 8px; padding: 7px;
  font-size: 9px; font-weight: 700; color: #030707; text-align: center; margin-top: 5px;
}

/* ── AI COACH UI ─────────────────────────────────── */
.coach-greeting { font-size: 8px; color: var(--text-3); margin-bottom: 1px; }
.coach-name { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.rings-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.ring-wrap {
  position: relative; width: 58px; height: 58px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ring-svg { position: absolute; top: 0; left: 0; transform: rotate(-90deg); }
.ring-center { font-size: 11px; font-weight: 800; color: var(--text); line-height: 1; text-align: center; }
.ring-center small { display: block; font-size: 7px; color: var(--text-3); font-weight: 400; margin-top: 1px; }
.ring-legend { flex: 1; }
.ring-legend-item { display: flex; align-items: center; gap: 5px; font-size: 8px; color: var(--text-2); margin-bottom: 4px; }
.ring-legend-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.coach-stats { display: flex; gap: 4px; margin-bottom: 8px; }
.coach-stat {
  flex: 1; background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 7px; padding: 6px 4px; text-align: center;
}
.coach-stat-val { font-size: 12px; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.coach-stat-unit { font-size: 7px; color: var(--text-3); }
.coach-insight {
  background: rgba(42,167,168,0.07); border: 1px solid var(--accent-dk);
  border-radius: 8px; padding: 8px;
  font-size: 8px; color: var(--text-2); line-height: 1.5;
  display: flex; gap: 6px; align-items: flex-start;
}
.insight-icon { width: 14px; height: 14px; flex-shrink: 0; color: var(--accent-hi); margin-top: 1px; }
.workout-header { font-size: 10px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.workout-sub { font-size: 8px; color: var(--accent-hi); margin-bottom: 8px; }
.workout-item {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 0; border-bottom: 1px solid var(--border);
  font-size: 9px; color: var(--text-2);
}
.workout-check {
  width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.workout-check.done { background: var(--green); border-color: var(--green); }
.workout-progress {
  margin-top: 10px; background: var(--card-hi); border-radius: 7px; padding: 7px 9px;
  display: flex; align-items: center; justify-content: space-between;
}
.workout-progress-label { font-size: 8px; color: var(--text-3); }
.workout-progress-val { font-size: 10px; font-weight: 700; color: var(--accent-hi); }

/* ── AI NOTES / WRITER UI ────────────────────────── */
.doc-toolbar { display: flex; gap: 5px; margin-bottom: 8px; align-items: center; }
.doc-tool-btn {
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 4px; padding: 3px 6px; font-size: 8px; font-weight: 600; color: var(--text-3);
}
.doc-tool-btn.active { color: var(--accent-hi); border-color: var(--accent-dk); }
.doc-title-text { font-size: 12px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.doc-line { height: 5px; background: var(--border); border-radius: 3px; margin-bottom: 5px; }
.doc-line.ai-suggest {
  background: rgba(42,167,168,0.18); border: 1px solid rgba(42,167,168,0.3);
  position: relative; margin-top: 9px;
}
.ai-suggest-tag {
  position: absolute; right: 0; top: -14px;
  background: var(--accent-dk); border-radius: 4px; padding: 2px 5px;
  font-size: 7px; font-weight: 700; color: var(--accent-hi);
}
.doc-meta { display: flex; gap: 8px; margin-top: 9px; font-size: 8px; color: var(--text-3); }
.tone-header { font-size: 10px; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.tone-sub { font-size: 8px; color: var(--text-3); margin-bottom: 9px; }
.tone-option {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 9px; margin-bottom: 5px;
  font-size: 9px; color: var(--text-2);
}
.tone-option.selected { border-color: var(--accent); background: rgba(42,167,168,0.08); color: var(--accent-hi); }
.tone-check { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid var(--border); flex-shrink: 0; }
.tone-check.on { background: var(--accent); border-color: var(--accent); }
.writer-btn {
  background: var(--accent); border-radius: 8px; padding: 7px;
  font-size: 9px; font-weight: 700; color: #030707; text-align: center; margin-top: 8px;
}
.grammar-item {
  display: flex; align-items: center; gap: 5px;
  font-size: 8px; color: var(--green); margin-top: 7px;
}

.phone-glow {
  position: absolute; bottom: -60px; left: 50%; transform: translateX(-50%);
  width: 320px; height: 120px;
  background: radial-gradient(ellipse, rgba(42,167,168,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.floating-chip {
  position: absolute;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 14px;
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--text-2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: float 4s ease-in-out infinite;
}
.floating-chip .chip-dot { width: 8px; height: 8px; border-radius: 50%; }
.chip-1 { top: 10px; left: -40px; animation-delay: 0s; }
.chip-2 { bottom: 60px; right: -50px; animation-delay: 1.5s; }
.chip-3 { top: 50%; left: -60px; animation-delay: 0.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── LOGOS BAR ────────────────────────────────────── */
#logos {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.logos-label {
  text-align: center;
  font-size: 12px; font-weight: 500; color: var(--text-3);
  letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 28px;
}
.logos-row {
  display: flex; align-items: center; justify-content: center;
  gap: 48px; flex-wrap: wrap;
}
.logo-pill {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 8px 18px;
  font-size: 12px; font-weight: 600; color: var(--text-3);
}
.logo-pill svg { opacity: 0.6; }

/* ── PROBLEM ──────────────────────────────────────── */
#problem { background: var(--bg2); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-top: 56px;
}
.problem-item {
  background: var(--card); padding: 32px;
  transition: background 0.2s;
}
.problem-item:hover { background: var(--card-hi); }
.problem-num {
  font-size: 11px; font-weight: 700; color: var(--accent);
  letter-spacing: 0.1em; margin-bottom: 14px;
}
.problem-title {
  font-size: 16px; font-weight: 700; color: var(--text);
  margin-bottom: 10px; line-height: 1.35;
}
.problem-desc { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* ── SOLUTION ─────────────────────────────────────── */
#solution { background: var(--bg); }

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.solution-pipeline {
  display: flex; flex-direction: column; gap: 0;
  margin-top: 40px;
}
.pipeline-step {
  display: flex; gap: 20px; align-items: flex-start;
  position: relative;
}
.pipeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px; top: 40px; bottom: -20px;
  width: 2px;
  background: linear-gradient(180deg, var(--border) 0%, transparent 100%);
}
.pipeline-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  transition: all 0.2s;
}
.pipeline-step:hover .pipeline-icon {
  background: var(--card-hi);
  border-color: var(--accent);
}
.pipeline-body { padding-bottom: 28px; }
.pipeline-name {
  font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 4px;
}
.pipeline-desc { font-size: 14px; color: var(--text-2); line-height: 1.6; }

.solution-right { position: relative; }
.solution-visual-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 32px;
  position: relative; overflow: hidden;
}
.solution-visual-card::before {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(42,167,168,0.08) 0%, transparent 70%);
}
.svc-title { font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 20px; letter-spacing: 0.06em; text-transform: uppercase; }
.svc-list { display: flex; flex-direction: column; gap: 12px; }
.svc-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; color: var(--text-2);
}
.svc-check {
  width: 20px; height: 20px; flex-shrink: 0;
  background: rgba(42,167,168,0.1); border: 1px solid rgba(42,167,168,0.3);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.svc-check svg { width: 10px; height: 10px; }

/* ── SERVICES ─────────────────────────────────────── */
#services { background: var(--bg2); }

.services-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 56px; gap: 40px; flex-wrap: wrap;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 32px;
  position: relative; overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  cursor: default;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top left, var(--glow-sm) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.service-card:hover {
  border-color: rgba(42,167,168,0.35);
  box-shadow: 0 0 40px rgba(42,167,168,0.08);
  background: var(--card-hi);
}
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 48px; height: 48px;
  background: var(--card-hi); border: 1px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: 22px;
  transition: border-color 0.25s;
}
.service-card:hover .service-icon { border-color: var(--accent); }

.service-name {
  font-size: 17px; font-weight: 700; color: var(--text);
  margin-bottom: 10px; letter-spacing: -0.01em;
}
.service-desc {
  font-size: 14px; color: var(--text-2); line-height: 1.65;
  margin-bottom: 22px;
}
.service-outcome {
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--accent); font-weight: 600;
  display: flex; align-items: flex-start; gap: 8px; line-height: 1.5;
}
.service-outcome::before { content: '→'; flex-shrink: 0; }

/* ── PROCESS ──────────────────────────────────────── */
#process { background: var(--bg); }

.process-header { text-align: center; margin-bottom: 64px; }
.process-header .section-sub { margin: 0 auto; text-align: center; }

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .process-steps { grid-template-columns: 1fr; }
}

.process-step {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 32px;
  position: relative; overflow: hidden;
  transition: border-color 0.25s, background 0.25s;
}
.process-step:hover {
  border-color: rgba(42,167,168,0.3);
  background: var(--card-hi);
}
.step-num {
  font-size: 11px; font-weight: 700; color: var(--accent);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.step-num::before {
  content: attr(data-n);
  width: 22px; height: 22px; border-radius: 6px;
  background: rgba(42,167,168,0.12); border: 1px solid rgba(42,167,168,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: var(--accent);
}
.step-name {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin-bottom: 10px; letter-spacing: -0.02em;
}
.step-desc { font-size: 14px; color: var(--text-2); line-height: 1.65; }
.step-corner {
  position: absolute; top: 20px; right: 20px;
  color: var(--accent); opacity: 0.12;
}

/* ── PROOF ────────────────────────────────────────── */
#proof { background: var(--bg2); }

.proof-header { margin-bottom: 56px; }

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 40px;
}
@media (max-width: 800px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}

.proof-stat {
  background: var(--card); padding: 32px;
  text-align: center;
  transition: background 0.2s;
}
.proof-stat:hover { background: var(--card-hi); }
.stat-value {
  font-size: 36px; font-weight: 900; color: var(--text);
  letter-spacing: -0.04em; margin-bottom: 8px;
}
.stat-value.accent { color: var(--accent-hi); }
.stat-label { font-size: 13px; color: var(--text-2); font-weight: 500; line-height: 1.4; }

.proof-tags {
  display: flex; flex-wrap: wrap; gap: 10px;
}
.proof-tag {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 8px 18px;
  font-size: 13px; font-weight: 500; color: var(--text-2);
  display: flex; align-items: center; gap: 8px;
}
.proof-tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ── USE CASES ────────────────────────────────────── */
#use-cases { background: var(--bg); }

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
  margin-top: 56px;
}

.use-case-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 32px;
  transition: all 0.25s;
  position: relative; overflow: hidden;
}
.use-case-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
  opacity: 0; transition: opacity 0.3s;
}
.use-case-card:hover {
  border-color: rgba(42,167,168,0.3);
  background: var(--card-hi);
}
.use-case-card:hover::after { opacity: 1; }

.use-case-icon {
  color: var(--accent); margin-bottom: 18px;
  display: flex;
}
.use-case-title {
  font-size: 16px; font-weight: 700; color: var(--text);
  margin-bottom: 10px; letter-spacing: -0.01em;
}
.use-case-tag {
  display: inline-block;
  background: rgba(42,167,168,0.1); border: 1px solid rgba(42,167,168,0.2);
  border-radius: 100px; padding: 3px 12px;
  font-size: 11px; font-weight: 600; color: var(--accent);
  margin-bottom: 14px;
}
.use-case-desc { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* ── CATEGORIES ───────────────────────────────────── */
#categories { background: var(--bg2); padding: 80px 0; }

.categories-header { text-align: center; margin-bottom: 48px; }

.categories-grid {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 12px;
}
.cat-pill {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; padding: 12px 24px;
  font-size: 14px; font-weight: 600; color: var(--text-2);
  display: flex; align-items: center; gap: 10px;
  transition: all 0.2s;
}
.cat-pill:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--card-hi);
}
.cat-pill .cat-icon { display: flex; align-items: center; color: var(--accent); }

/* ── FAQ ──────────────────────────────────────────── */
#faq { background: var(--bg); }

.faq-header { margin-bottom: 40px; }

.faq-tabs {
  display: inline-flex; gap: 4px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 4px;
  margin-bottom: 40px;
}
.faq-tab {
  padding: 9px 22px; font-size: 14px; font-weight: 500;
  color: var(--text-dim); background: none; border: none;
  border-radius: 8px; cursor: pointer; font-family: inherit;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.faq-tab:hover { color: var(--text); }
.faq-tab.active { color: var(--text); background: rgba(42,167,168,0.12); }
.faq-pane { display: none; }
.faq-pane.active { display: block; }

.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item.open .faq-answer { max-height: 500px; }

.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 24px 0;
  text-align: left;
  color: var(--text); font-family: inherit;
  font-size: 16px; font-weight: 600; line-height: 1.4;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--accent-hi); }
.faq-icon {
  width: 24px; height: 24px; flex-shrink: 0;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.faq-icon svg { width: 12px; height: 12px; transition: transform 0.3s; }
.faq-item.open .faq-icon {
  background: rgba(42,167,168,0.1);
  border-color: var(--accent);
}
.faq-item.open .faq-icon svg { transform: rotate(45deg); }
.faq-item.open .faq-question { color: var(--accent-hi); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer-inner {
  padding-bottom: 24px;
  font-size: 15px; color: var(--text-2); line-height: 1.75;
}

/* ── CONTACT ──────────────────────────────────────── */
#contact {
  background: var(--bg2);
  border-top: 1px solid var(--border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

.contact-left .section-title { max-width: 420px; }

.contact-points { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
.contact-point {
  display: flex; align-items: flex-start; gap: 14px;
  font-size: 14px; color: var(--text-2); line-height: 1.6;
}
.contact-point-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  background: rgba(42,167,168,0.1); border: 1px solid rgba(42,167,168,0.2);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
}

.contact-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px;
}
.form-title {
  font-size: 18px; font-weight: 700; color: var(--text);
  margin-bottom: 28px; letter-spacing: -0.02em;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px;
  color: var(--text); font-family: inherit; font-size: 14px;
  outline: none; transition: border-color 0.2s;
  appearance: none; -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group input.error,
.form-group textarea.error,
.form-group select.error { border-color: #f04438; }
.form-error-msg { font-size: 12px; color: #f04438; margin-top: -4px; display: none; }
.form-error-msg.visible { display: block; }
.field-optional { font-size: 11px; font-weight: 400; text-transform: none; color: var(--text-3); letter-spacing: 0; }
.form-info-note { font-size: 13px; color: var(--text-dim); background: rgba(42,167,168,0.07); border: 1px solid rgba(42,167,168,0.2); border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; line-height: 1.5; }
.form-info-note a { color: var(--accent-hi); }
.form-field-hint { font-size: 11px; color: var(--text-3); margin-top: -4px; line-height: 1.4; }
.req { color: #f04438; margin-left: 2px; font-weight: 700; }
.form-required-note { font-size: 11px; color: var(--text-3); margin-bottom: 20px; }
.file-upload-zone { display: flex; align-items: center; gap: 12px; padding: 11px 14px; background: var(--bg2); border: 1.5px dashed var(--border); border-radius: 10px; cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.file-upload-zone:hover { border-color: var(--accent); background: rgba(42,167,168,0.04); }
.file-upload-zone.error { border-color: #f04438; }
.file-upload-zone input[type="file"] { display: none; }
.file-upload-zone-label { font-size: 13px; color: var(--text-dim); }
.file-upload-zone-hint { display: block; font-size: 11px; color: var(--text-3); margin-top: 2px; }
.file-name-display { font-size: 12px; color: var(--accent-hi); margin-top: -4px; display: none; word-break: break-all; }
.file-name-display.has-file { display: block; }
.form-submit { width: 100%; justify-content: center; margin-top: 8px; font-size: 15px; padding: 16px; }

.form-note {
  text-align: center; margin-top: 14px;
  font-size: 12px; color: var(--text-3); line-height: 1.5;
}

/* ── FOOTER ───────────────────────────────────────── */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 32px; margin-bottom: 40px;
}
.footer-brand { max-width: 280px; }
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px; text-decoration: none;
}
.footer-logo img { height: 28px; width: auto; display: block; }
.footer-tagline { font-size: 13px; color: var(--text-3); line-height: 1.6; margin-bottom: 16px; }
.footer-hk {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-3); font-weight: 500;
}
.footer-hk .hk-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 11px; font-weight: 700; color: var(--text-3);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  font-size: 14px; color: var(--text-2); text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-size: 13px; color: var(--text-3); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 13px; color: var(--text-3); text-decoration: none; transition: color 0.2s; }
.footer-legal a:hover { color: var(--text-2); }

/* ── MOBILE STICKY CTA ────────────────────────────── */
.sticky-cta-mobile {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  padding: 12px 20px;
  background: rgba(7,17,18,0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}
.sticky-cta-mobile .btn { width: 100%; justify-content: center; }

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .solution-inner { grid-template-columns: 1fr; gap: 48px; }
  .solution-right { display: none; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero-headline { font-size: clamp(30px, 8vw, 44px); }
  .hero-cta-row .btn:last-child { display: none; }

  .services-header { flex-direction: column; align-items: flex-start; }
  .services-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }

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

  .footer-inner { flex-direction: column; }
  .footer-links { gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }

  .sticky-cta-mobile { display: block; }
  body { padding-bottom: 72px; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .logo-pill { padding: 6px 14px; font-size: 11px; }
  .proof-grid { grid-template-columns: 1fr; }
}