/* ============================================================
   SENTHILKUMAR SIVARAMAN — v2 Personal Site
   2026 · AI-Era · Warm Colour System · Gradient-Forward
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,600;12..96,700;12..96,800&family=JetBrains+Mono:wght@300;400&display=swap');

/* ── TOKENS ── */
:root {
  --ink:          #12101a;
  --ink-2:        #2d2a3e;
  --ink-3:        #5a5670;
  --ink-4:        #9895a8;
  --ink-5:        #c8c5d4;
  --canvas:       #faf9fc;
  --surface:      #f3f1f8;
  --surface-2:    #eceaf4;
  --border:       #e2dfee;
  --border-2:     #d0ccdf;

  --grad-primary: linear-gradient(135deg, #10b981 0%, #0ea5e9 50%, #6366f1 100%);
  --grad-warm:    linear-gradient(135deg, #0ea5e9 0%, #6366f1 100%);
  --grad-blue:    linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
  --grad-green:   linear-gradient(135deg, #10b981 0%, #059669 100%);
  --grad-card:    linear-gradient(145deg, #ffffff 0%, #f0fdf8 100%);
  --grad-hero:    linear-gradient(135deg, #fafffe 0%, #ecfdf8 40%, #eff6ff 100%);

  --violet:   #6366f1;
  --purple:   #0ea5e9;
  --pink:     #10b981;
  --amber:    #f59e0b;
  --orange:   #f97316;
  --blue:     #0ea5e9;
  --indigo:   #6366f1;
  --emerald:  #10b981;

  --glow-violet: rgba(99,102,241,0.18);
  --glow-amber:  rgba(14,165,233,0.15);

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body:    'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'SF Mono', monospace;

  --s-4:4px;--s-6:6px;--s-8:8px;--s-12:12px;--s-16:16px;--s-20:20px;
  --s-24:24px;--s-28:28px;--s-32:32px;--s-40:40px;--s-48:48px;
  --s-56:56px;--s-64:64px;--s-80:80px;--s-96:96px;

  --r-sm:8px;--r-md:14px;--r-lg:20px;--r-xl:28px;--r-full:999px;
  --ease: cubic-bezier(0.16,1,0.3,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 17px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
}
img,svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul,ol { list-style: none; }
::selection { background: rgba(14,165,233,0.15); color: var(--violet); }

.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.section { padding: var(--s-96) 0; }

/* ══ NAV ══ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: rgba(250,249,252,0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.nav.scrolled { border-color: var(--border); box-shadow: 0 2px 32px rgba(99,102,241,0.07); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav__logo {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-3);
  padding: 6px 14px;
  border-radius: var(--r-full);
  transition: color 0.2s, background 0.2s;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav__link:hover { color: var(--ink); background: var(--surface); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav__link.active { color: var(--violet); }
.nav__cta {
  font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
  color: #fff; background: var(--grad-primary);
  padding: 9px 22px; border-radius: var(--r-full);
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px var(--glow-violet);
}
.nav__cta:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 28px var(--glow-violet); }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav__hamburger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all 0.3s; }
.nav__mobile {
  display: none; flex-direction: column; gap: 2px;
  padding: 12px 20px 20px; border-top: 1px solid var(--border);
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { font-size: 16px; padding: 10px 14px; }
.nav__mobile .nav__cta { display: inline-block; margin-top: 8px; text-align: center; }

/* ══ REVEAL ══ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.75s var(--ease), transform 0.75s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.42s; }

/* ══ HERO ══ */
.hero {
  padding-top: calc(64px + 72px);
  padding-bottom: var(--s-96);
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero__orb--1 { width:540px;height:540px; background:rgba(99,102,241,0.1); top:-120px;right:-80px; }
.hero__orb--2 { width:400px;height:400px; background:rgba(99,102,241,0.08); bottom:-60px;left:-60px; }
.hero__orb--3 { width:300px;height:300px; background:rgba(14,165,233,0.07); top:40%;right:30%; }
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--violet);
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.22);
  border-radius: var(--r-full);
  padding: 5px 14px; margin-bottom: 24px;
}
.hero__eyebrow-dot {
  width:7px;height:7px;border-radius:50%;
  background: var(--emerald);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
  animation: blink 2.4s infinite;
}
@keyframes blink {
  0%,100% { box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
  50%      { box-shadow: 0 0 0 8px rgba(99,102,241,0.05); }
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px,5vw,60px);
  font-weight: 800; line-height: 1.07;
  letter-spacing: -0.03em; color: var(--ink);
  margin-bottom: 20px;
}
.grad {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad--warm { background: var(--grad-warm); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__subtitle { font-size: 16px; color: var(--ink-3); line-height: 1.78; max-width: 460px; margin-bottom: 36px; }
.hero__actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero__tag {
  font-size: 12px; font-weight: 500; color: var(--ink-3);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-full); padding: 4px 13px;
  transition: all 0.2s;
}
.hero__tag:hover { background: rgba(99,102,241,0.08); border-color: rgba(99,102,241,0.25); color: var(--violet); }

/* Hero card */
.hero__card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 28px;
  box-shadow: 0 16px 56px rgba(99,102,241,0.1), 0 2px 8px rgba(0,0,0,0.04);
  position: relative; overflow: hidden;
}
.hero__card::before {
  content:''; position:absolute; top:0;left:0;right:0;
  height: 3px; background: var(--grad-primary);
}
.hero__card-label { font-family:var(--font-mono); font-size:9.5px; letter-spacing:0.14em; color:var(--ink-4); text-transform:uppercase; margin-bottom:20px; }
.hero__stats { display:grid; grid-template-columns:1fr 1fr; gap:2px; background:var(--border); border-radius:var(--r-md); overflow:hidden; margin-bottom:22px; }
.hero__stat { background:#fff; padding:18px 16px; transition:background 0.2s; }
.hero__stat:hover { background:var(--surface); }
.hero__stat-num {
  font-family:var(--font-display); font-size:30px; font-weight:800; line-height:1;
  background: var(--grad-primary);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  margin-bottom:5px;
}
.hero__stat-key { font-size:11px; color:var(--ink-3); }
.hero__domains-label { font-family:var(--font-mono); font-size:9px; letter-spacing:0.12em; color:var(--ink-4); text-transform:uppercase; margin-bottom:12px; }
.hero__domains { display:flex; flex-direction:column; gap:10px; }
.hero__domain { display:flex; align-items:center; gap:10px; font-size:12px; }
.hero__domain-name { color:var(--ink-2); min-width:76px; font-weight:500; }
.hero__domain-bar-wrap { flex:1; height:4px; background:var(--surface-2); border-radius:4px; overflow:hidden; }
.hero__domain-bar { height:100%; background:var(--grad-primary); border-radius:4px; width:0%; transition:width 1.2s var(--ease); }
.hero__domain-val { font-family:var(--font-mono); font-size:10px; color:var(--ink-4); min-width:28px; text-align:right; }

/* ══ BUTTONS ══ */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  font-size:14px; font-weight:700; letter-spacing:0.01em;
  border-radius:var(--r-full); padding:12px 26px;
  transition:all 0.25s var(--ease); position:relative; overflow:hidden;
}
.btn--primary { color:#fff; background:var(--grad-primary); box-shadow:0 4px 20px var(--glow-violet); }
.btn--primary:hover { transform:translateY(-2px); box-shadow:0 10px 32px var(--glow-violet); }
.btn--primary::after { content:''; position:absolute; inset:0; background:rgba(255,255,255,0); transition:background 0.2s; }
.btn--primary:hover::after { background:rgba(255,255,255,0.1); }
.btn--ghost { color:var(--ink-2); border:1.5px solid var(--border-2); background:transparent; }
.btn--ghost:hover { border-color:var(--violet); color:var(--violet); background:rgba(99,102,241,0.05); transform:translateY(-2px); }

/* ══ SECTION CHROME ══ */
.section-label {
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.16em;
  text-transform:uppercase; display:inline-flex; align-items:center; gap:8px;
  margin-bottom:14px; font-weight:600;
  background: var(--grad-primary);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.section-title {
  font-family:var(--font-display);
  font-size:clamp(28px,3.8vw,46px);
  font-weight:800; line-height:1.1;
  letter-spacing:-0.025em; color:var(--ink); margin-bottom:16px;
}
.section-body { font-size:16px; color:var(--ink-3); line-height:1.8; max-width:580px; }

/* ══ AI TICKER STRIP ══ */
.ai-ticker {
  background: linear-gradient(90deg, var(--violet) 0%, var(--purple) 50%, var(--pink) 100%);
  padding: 10px 0; overflow: hidden;
}
.ai-ticker__track { display:flex; gap:40px; width:max-content; animation:ticker 30s linear infinite; }
.ai-ticker__track:hover { animation-play-state:paused; }
@keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.ai-ticker__item { display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:11px; letter-spacing:0.08em; color:rgba(255,255,255,0.8); white-space:nowrap; }
.ai-ticker__dot { width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,0.5); }

/* ══ AI INTRO ══ */
.ai-section {
  background: linear-gradient(160deg, #13101e 0%, #1a1130 60%, #12101a 100%);
  padding: var(--s-96) 0;
  position: relative; overflow: hidden;
}
.ai-section__orb-1 {
  position:absolute; width:600px;height:600px; border-radius:50%;
  background:radial-gradient(circle, rgba(99,102,241,0.22) 0%, transparent 70%);
  top:-200px;right:-100px; pointer-events:none;
}
.ai-section__orb-2 {
  position:absolute; width:400px;height:400px; border-radius:50%;
  background:radial-gradient(circle, rgba(99,102,241,0.14) 0%, transparent 70%);
  bottom:-100px;left:-60px; pointer-events:none;
}
.ai-section__inner {
  position:relative; z-index:1;
  display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center;
}
.ai-section__eyebrow {
  font-family:var(--font-mono); font-size:10px; letter-spacing:0.16em;
  text-transform:uppercase; color:var(--violet);
  background:rgba(14,165,233,0.15); border:1px solid rgba(99,102,241,0.3);
  border-radius:var(--r-full); display:inline-block; padding:5px 14px; margin-bottom:20px;
}
.ai-section__title {
  font-family:var(--font-display);
  font-size:clamp(28px,3.5vw,44px); font-weight:800;
  letter-spacing:-0.025em; color:#fff; line-height:1.1; margin-bottom:18px;
}
.ai-section__body { font-size:15.5px; color:rgba(255,255,255,0.55); line-height:1.82; margin-bottom:28px; }
.ai-section__body strong { color:rgba(255,255,255,0.8); font-weight:600; }
.ai-pills { display:flex; flex-wrap:wrap; gap:8px; }
.ai-pill {
  font-family:var(--font-mono); font-size:11px; color:rgba(255,255,255,0.65);
  background:rgba(255,255,255,0.07); border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--r-full); padding:5px 14px; transition:all 0.2s;
}
.ai-pill:hover { background:rgba(99,102,241,0.25); border-color:rgba(99,102,241,0.4); color:#fff; }

/* AI stack grid */
.ai-stack-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.ai-stack-card {
  background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--r-md); padding:20px;
  transition:all 0.3s var(--ease); position:relative; overflow:hidden;
}
.ai-stack-card::before { content:''; position:absolute; inset:0; background:var(--grad-primary); opacity:0; transition:opacity 0.3s; }
.ai-stack-card:hover { border-color:rgba(99,102,241,0.45); transform:translateY(-4px); box-shadow:0 10px 32px rgba(99,102,241,0.18); }
.ai-stack-card:hover::before { opacity:0.07; }
.ai-stack-card__icon { font-size:24px; margin-bottom:10px; position:relative; z-index:1; }
.ai-stack-card__name { font-size:13px; font-weight:700; color:rgba(255,255,255,0.88); margin-bottom:5px; position:relative; z-index:1; }
.ai-stack-card__desc { font-size:11.5px; color:rgba(255,255,255,0.4); line-height:1.55; position:relative; z-index:1; }

/* ══ ABOUT ══ */
.about { background:#fff; border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.about__grid { display:grid; grid-template-columns:1fr 1.2fr; gap:72px; align-items:start; }
.about__photo-wrap { position:relative; }
.about__photo-frame {
  aspect-ratio:4/5; background:var(--surface);
  border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--border);
}
.about__photo-placeholder {
  width:100%; height:100%; display:flex; flex-direction:column;
  align-items:center; justify-content:center; gap:12px;
  color:var(--ink-4); font-family:var(--font-mono); font-size:11px;
}
.about__badge-wrap { position:absolute; bottom:-20px; right:-20px; }
.about__badge {
  background:#fff; border:1px solid var(--border); border-radius:var(--r-md);
  padding:14px 18px; box-shadow:0 8px 28px rgba(99,102,241,0.1);
}
.about__badge-line { font-family:var(--font-mono); font-size:9px; color:var(--ink-4); margin-bottom:3px; letter-spacing:0.1em; }
.about__badge-val { font-family:var(--font-display); font-size:16px; font-weight:800; }
.about__right { padding-top:16px; }
.about__bio { font-size:15.5px; color:var(--ink-2); line-height:1.82; margin-bottom:32px; }
.about__bio p+p { margin-top:16px; }
.about__pillars { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.about__pillar {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-md);
  padding:18px; transition:all 0.25s var(--ease); position:relative; overflow:hidden;
}
.about__pillar::after {
  content:''; position:absolute; bottom:0;left:0;right:0; height:2px;
  background:var(--grad-primary); transform:scaleX(0); transform-origin:left;
  transition:transform 0.3s var(--ease);
}
.about__pillar:hover { background:#fff; border-color:rgba(99,102,241,0.2); transform:translateY(-2px); box-shadow:0 6px 24px rgba(99,102,241,0.08); }
.about__pillar:hover::after { transform:scaleX(1); }
.about__pillar-icon { font-size:20px; margin-bottom:10px; }
.about__pillar-head { font-size:13px; font-weight:700; color:var(--ink); margin-bottom:4px; }
.about__pillar-desc { font-size:12px; color:var(--ink-3); line-height:1.55; }

/* ══ EXPERIENCE ══ */
.experience { background:var(--canvas); }
.exp__layout { display:grid; grid-template-columns:250px 1fr; gap:64px; align-items:start; }
.exp__sidebar { position:sticky; top:84px; }
.exp__item { display:grid; grid-template-columns:28px 1fr; gap:18px; position:relative; }
.exp__item:not(:last-child)::after { content:''; position:absolute; left:13px;top:28px;bottom:-20px; width:1px; background:var(--border); }
.exp__dot-col { padding-top:4px; display:flex; align-items:flex-start; justify-content:center; }
.exp__dot { width:10px;height:10px; border-radius:50%; border:2px solid var(--border-2); background:var(--canvas); flex-shrink:0; position:relative;z-index:1; transition:all 0.25s; }
.exp__item:hover .exp__dot { border-color:var(--violet); }
.exp__item--current .exp__dot { background:var(--violet); border-color:var(--violet); box-shadow:0 0 0 5px rgba(14,165,233,0.15); }
.exp__card {
  background:#fff; border:1px solid var(--border); border-radius:var(--r-lg); padding:24px; margin-bottom:20px;
  transition:all 0.25s var(--ease); position:relative; overflow:hidden;
}
.exp__card::before {
  content:''; position:absolute; left:0;top:0;bottom:0; width:3px;
  background:var(--grad-primary); transform:scaleY(0); transform-origin:top; transition:transform 0.35s var(--ease);
}
.exp__card:hover { border-color:rgba(99,102,241,0.2); box-shadow:0 8px 36px rgba(99,102,241,0.08); transform:translateY(-2px); }
.exp__card:hover::before { transform:scaleY(1); }
.exp__card-header { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom:12px; }
.exp__role { font-size:15px; font-weight:700; color:var(--ink); }
.exp__company { font-size:13px; color:var(--ink-3); margin-top:2px; }
.exp__period { font-family:var(--font-mono); font-size:10px; letter-spacing:0.06em; color:var(--ink-4); white-space:nowrap; flex-shrink:0; background:var(--surface); border:1px solid var(--border); border-radius:var(--r-full); padding:3px 10px; }
.exp__desc { font-size:13.5px; color:var(--ink-3); line-height:1.7; margin-bottom:16px; }
.exp__highlights { display:flex; flex-wrap:wrap; gap:7px; }
.exp__highlight { font-size:11px; font-weight:500; color:var(--ink-3); background:var(--surface); border:1px solid var(--border); border-radius:var(--r-full); padding:3px 10px; transition:all 0.2s; }
.exp__highlight:hover { background:rgba(99,102,241,0.07); border-color:rgba(99,102,241,0.2); color:var(--violet); }
.exp__highlight--metric { color:var(--emerald); background:rgba(16,185,129,0.07); border-color:rgba(16,185,129,0.2); }

/* ══ SERVICES ══ */
.services { background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.services__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:48px; }
.service-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--r-xl); padding:28px;
  transition:all 0.3s var(--ease); position:relative; overflow:hidden;
}
.service-card:hover { border-color:rgba(99,102,241,0.25); box-shadow:0 16px 48px rgba(99,102,241,0.1); transform:translateY(-5px); }
.service-card__shine {
  position:absolute; inset:0; opacity:0; transition:opacity 0.35s; pointer-events:none;
}
.service-card:hover .service-card__shine { opacity:1; }
.service-card:nth-child(1) .service-card__shine { background:linear-gradient(145deg,rgba(99,102,241,0.05) 0%,transparent 60%); }
.service-card:nth-child(2) .service-card__shine { background:linear-gradient(145deg,rgba(168,85,247,0.06) 0%,transparent 60%); }
.service-card:nth-child(3) .service-card__shine { background:linear-gradient(145deg,rgba(236,72,153,0.05) 0%,transparent 60%); }
.service-card:nth-child(4) .service-card__shine { background:linear-gradient(145deg,rgba(245,158,11,0.06) 0%,transparent 60%); }
.service-card:nth-child(5) .service-card__shine { background:linear-gradient(145deg,rgba(59,130,246,0.06) 0%,transparent 60%); }
.service-card:nth-child(6) .service-card__shine { background:linear-gradient(145deg,rgba(16,185,129,0.06) 0%,transparent 60%); }
.service-card__top-bar { position:absolute; top:0;left:0;right:0; height:3px; transform:scaleX(0); transform-origin:left; transition:transform 0.35s var(--ease); }
.service-card:hover .service-card__top-bar { transform:scaleX(1); }
.service-card:nth-child(1) .service-card__top-bar { background:linear-gradient(90deg,#10b981,#0ea5e9); }
.service-card:nth-child(2) .service-card__top-bar { background:linear-gradient(90deg,#0ea5e9,#6366f1); }
.service-card:nth-child(3) .service-card__top-bar { background:linear-gradient(90deg,#6366f1,#10b981); }
.service-card:nth-child(4) .service-card__top-bar { background:linear-gradient(90deg,#10b981,#0ea5e9); }
.service-card:nth-child(5) .service-card__top-bar { background:linear-gradient(90deg,#0ea5e9,#6366f1); }
.service-card:nth-child(6) .service-card__top-bar { background:linear-gradient(90deg,#6366f1,#10b981); }
.service-card__icon { font-size:28px; margin-bottom:16px; position:relative;z-index:1; }
.service-card__title { font-size:15px; font-weight:700; color:var(--ink); margin-bottom:8px; position:relative;z-index:1; }
.service-card__desc { font-size:13px; color:var(--ink-3); line-height:1.7; margin-bottom:18px; position:relative;z-index:1; }
.service-card__tags { display:flex; flex-wrap:wrap; gap:6px; position:relative;z-index:1; }
.service-card__tag { font-family:var(--font-mono); font-size:10px; color:var(--ink-4); background:var(--surface); border:1px solid var(--border); border-radius:var(--r-full); padding:2px 9px; }

/* ══ PROJECTS ══ */
.projects__header-row { display:flex; align-items:flex-end; justify-content:space-between; margin-bottom:48px; flex-wrap:wrap; gap:24px; }
.projects__grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.project-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--r-xl);
  overflow:hidden; transition:all 0.3s var(--ease); display:flex; flex-direction:column;
}
.project-card:hover { border-color:rgba(99,102,241,0.22); box-shadow:0 20px 56px rgba(99,102,241,0.1); transform:translateY(-6px); }
.project-card--featured { grid-column:span 2; display:grid; grid-template-columns:1fr 1fr; flex-direction:unset; }
.project-card__visual {
  aspect-ratio:16/9; background:var(--surface); position:relative; overflow:hidden; flex-shrink:0;
}
.project-card--featured .project-card__visual { aspect-ratio:unset; min-height:310px; border-right:1px solid var(--border); border-bottom:none; }
.project-card__badge {
  position:absolute; top:14px;left:14px;
  font-family:var(--font-mono); font-size:9px; letter-spacing:0.1em; color:#fff;
  background:var(--grad-primary); border-radius:var(--r-full); padding:3px 10px; z-index:2;
}
.project-card__body { padding:22px; display:flex; flex-direction:column; flex:1; }
.project-card--featured .project-card__body { padding:36px; justify-content:center; }
.project-card__meta { display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; }
.project-card__domain { font-family:var(--font-mono); font-size:9.5px; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-4); }
.project-card__year { font-family:var(--font-mono); font-size:9.5px; color:var(--ink-4); }
.project-card__title { font-family:var(--font-display); font-size:17px; font-weight:700; color:var(--ink); margin-bottom:8px; line-height:1.3; letter-spacing:-0.01em; }
.project-card--featured .project-card__title { font-size:24px; letter-spacing:-0.02em; }
.project-card__desc { font-size:13.5px; color:var(--ink-3); line-height:1.7; margin-bottom:20px; }
.project-card__metrics { display:flex; gap:20px; flex-wrap:wrap; padding-top:16px; border-top:1px solid var(--border); margin-top:auto; }
.project-card__metric-val { font-family:var(--font-display); font-size:22px; font-weight:800; line-height:1; margin-bottom:3px; }
.project-card__metric-key { font-size:11px; color:var(--ink-4); }

/* ══ TESTIMONIALS ══ */
.testimonials { background:linear-gradient(160deg,#13101e 0%,#1a1130 50%,#12101a 100%); position:relative; overflow:hidden; }
.testimonials::before { content:''; position:absolute; top:-200px;right:-100px; width:600px;height:600px; border-radius:50%; background:radial-gradient(circle,rgba(99,102,241,0.2) 0%,transparent 70%); pointer-events:none; }
.testimonials::after { content:''; position:absolute; bottom:-150px;left:-80px; width:400px;height:400px; border-radius:50%; background:radial-gradient(circle,rgba(99,102,241,0.12) 0%,transparent 70%); pointer-events:none; }
.testimonials .section-label { color:rgba(16,185,129,0.9); -webkit-text-fill-color:unset; background:none; }
.testimonials .section-title { color:#fff; }
.testimonials__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:48px; position:relative;z-index:1; }
.testi-card {
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--r-xl); padding:28px;
  transition:all 0.3s var(--ease); position:relative; overflow:hidden;
}
.testi-card::before { content:''; position:absolute; inset:0; background:var(--grad-primary); opacity:0; transition:opacity 0.3s; }
.testi-card:hover { border-color:rgba(99,102,241,0.35); transform:translateY(-4px); box-shadow:0 20px 48px rgba(14,165,233,0.15); }
.testi-card:hover::before { opacity:0.06; }
.testi-card__stars { display:flex; gap:3px; margin-bottom:16px; position:relative;z-index:1; }
.testi-card__star { color:var(--amber); font-size:13px; }
.testi-card__quote { font-size:14.5px; color:rgba(255,255,255,0.68); line-height:1.75; margin-bottom:22px; position:relative;z-index:1; font-style:italic; }
.testi-card__author { display:flex; align-items:center; gap:12px; position:relative;z-index:1; }
.testi-card__avatar { width:38px;height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; color:#fff; flex-shrink:0; }
.testi-card:nth-child(1) .testi-card__avatar { background:linear-gradient(135deg,#10b981,#0ea5e9); }
.testi-card:nth-child(2) .testi-card__avatar { background:linear-gradient(135deg,#0ea5e9,#6366f1); }
.testi-card:nth-child(3) .testi-card__avatar { background:linear-gradient(135deg,#6366f1,#10b981); }
.testi-card__name { font-size:13.5px; font-weight:700; color:rgba(255,255,255,0.85); }
.testi-card__role { font-size:11px; color:rgba(255,255,255,0.35); margin-top:2px; }

/* ══ CONTACT ══ */
.contact { background:var(--canvas); }
.contact__inner { display:grid; grid-template-columns:1fr 1fr; gap:80px; align-items:start; }
.contact__avail { display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.1em; color:var(--emerald); background:rgba(16,185,129,0.08); border:1px solid rgba(16,185,129,0.2); border-radius:var(--r-full); padding:6px 16px; margin-bottom:32px; }
.contact__avail-dot { width:6px;height:6px; border-radius:50%; background:var(--emerald); animation:blink 2.4s infinite; }
.contact__links { display:flex; flex-direction:column; gap:12px; margin-top:32px; }
.contact__link { display:flex; align-items:center; gap:14px; font-size:14px; color:var(--ink-2); padding:16px 20px; background:#fff; border:1px solid var(--border); border-radius:var(--r-md); transition:all 0.25s var(--ease); }
.contact__link:hover { border-color:rgba(99,102,241,0.3); background:rgba(99,102,241,0.03); transform:translateX(6px); box-shadow:0 4px 20px rgba(99,102,241,0.08); color:var(--violet); }
.contact__link-icon { width:38px;height:38px; border-radius:var(--r-sm); display:flex; align-items:center; justify-content:center; flex-shrink:0; background:var(--grad-primary); color:#fff; }
.contact__link-label { font-size:11px; color:var(--ink-4); margin-top:2px; }
.contact__form { display:flex; flex-direction:column; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:7px; }
.form-label { font-size:13px; font-weight:600; color:var(--ink-2); }
.form-input,.form-textarea,.form-select { font-family:var(--font-body); font-size:14px; color:var(--ink); background:#fff; border:1.5px solid var(--border); border-radius:var(--r-md); padding:12px 16px; outline:none; transition:border-color 0.2s,box-shadow 0.2s; width:100%; -webkit-appearance:none; }
.form-input:focus,.form-textarea:focus,.form-select:focus { border-color:var(--violet); box-shadow:0 0 0 4px rgba(99,102,241,0.1); }
.form-textarea { resize:vertical; min-height:120px; }
.form-input::placeholder,.form-textarea::placeholder { color:var(--ink-5); }
.form-success { display:none; text-align:center; padding:40px; background:rgba(99,102,241,0.05); border:1px solid rgba(16,185,129,0.2); border-radius:var(--r-lg); color:var(--emerald); }
.form-success__icon { font-size:32px; margin-bottom:10px; }
.form-success__title { font-size:16px; font-weight:700; margin-bottom:6px; }
.form-success__body { font-size:13px; color:var(--ink-3); }

/* ══ FOOTER ══ */
.footer { border-top:1px solid var(--border); padding:32px 0; background:#fff; }
.footer__inner { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
.footer__copy { font-family:var(--font-mono); font-size:11px; color:var(--ink-4); }
.footer__links { display:flex; align-items:center; gap:20px; }
.footer__link { font-size:12.5px; color:var(--ink-4); transition:color 0.2s; }
.footer__link:hover { color:var(--violet); }

/* ══ RESPONSIVE ══ */
@media(max-width:1024px){
  .services__grid{grid-template-columns:repeat(2,1fr);}
  .exp__layout{grid-template-columns:1fr;}
  .exp__sidebar{position:static;}
  .ai-section__inner{grid-template-columns:1fr;gap:40px;}
  .ai-stack-grid{grid-template-columns:repeat(4,1fr);}
}
@media(max-width:768px){
  html{font-size:15px;}
  .nav__links,.nav__cta{display:none;}
  .nav__hamburger{display:flex;}
  .hero{padding-top:calc(64px + 48px);padding-bottom:64px;}
  .hero__inner{grid-template-columns:1fr;gap:48px;}
  .hero__card{display:none;}
  .about__grid{grid-template-columns:1fr;gap:48px;}
  .about__photo-frame{max-width:320px;}
  .about__badge-wrap{right:0;}
  .about__pillars{grid-template-columns:1fr;}
  .services__grid{grid-template-columns:1fr;}
  .projects__grid{grid-template-columns:1fr;}
  .project-card--featured{grid-column:span 1;grid-template-columns:1fr;}
  .project-card--featured .project-card__visual{border-right:none;border-bottom:1px solid var(--border);min-height:200px;}
  .project-card--featured .project-card__body{padding:24px;}
  .testimonials__grid{grid-template-columns:1fr;}
  .contact__inner{grid-template-columns:1fr;gap:48px;}
  .footer__inner{flex-direction:column;text-align:center;}
  .ai-stack-grid{grid-template-columns:repeat(2,1fr);}
  .projects__header-row{flex-direction:column;align-items:flex-start;}
}
@media(max-width:480px){
  .container{padding:0 18px;}
  .hero__actions{flex-direction:column;align-items:flex-start;}
  .hero__title{font-size:32px;}
  .section-title{font-size:26px;}
}

/* ══════════════════════════════
   HERO OUTCOME PILLS (new)
══════════════════════════════ */
.hero__outcomes { display:flex; flex-direction:column; gap:10px; margin-bottom:32px; }
.hero__outcome {
  display:flex; align-items:flex-start; gap:12px;
  font-size:14px; color:var(--ink-2); line-height:1.5;
}
.hero__outcome-icon { font-size:16px; flex-shrink:0; margin-top:1px; }

/* ══════════════════════════════
   PROOF BLOCKS (Problem→Decision→Outcome)
══════════════════════════════ */
.proof-block { display:flex; flex-direction:column; gap:8px; margin-bottom:18px; }
.proof-block--sm { gap:6px; margin-bottom:14px; }
.proof-row { display:flex; align-items:flex-start; gap:10px; }
.proof-tag {
  font-family:var(--font-mono); font-size:9px; letter-spacing:0.1em;
  text-transform:uppercase; font-weight:600;
  border-radius:var(--r-full); padding:3px 9px;
  white-space:nowrap; flex-shrink:0; margin-top:2px;
}
.proof-tag--problem { color:#b91c1c; background:#fef2f2; border:1px solid #fecaca; }
.proof-tag--decision { color:#1d4ed8; background:#eff6ff; border:1px solid #bfdbfe; }
.proof-tag--outcome { color:#065f46; background:#ecfdf5; border:1px solid #a7f3d0; }
.proof-text { font-size:13px; color:var(--ink-3); line-height:1.65; }

/* ══════════════════════════════
   HOW I THINK SECTION
══════════════════════════════ */
.thinking { background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.thinking__header { margin-bottom:48px; }
.thinking__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.thinking-card {
  background:#fff; border:1px solid var(--border); border-radius:var(--r-xl); padding:32px;
  transition:all 0.3s var(--ease); position:relative; overflow:hidden;
}
.thinking-card::after {
  content:''; position:absolute; bottom:0;left:0;right:0; height:3px;
  background:var(--grad-primary); transform:scaleX(0); transform-origin:left;
  transition:transform 0.35s var(--ease);
}
.thinking-card:hover { border-color:rgba(99,102,241,0.2); box-shadow:0 16px 48px rgba(99,102,241,0.09); transform:translateY(-4px); }
.thinking-card:hover::after { transform:scaleX(1); }
.thinking-card__num { font-family:var(--font-display); font-size:48px; font-weight:800; line-height:1; margin-bottom:16px; letter-spacing:-0.04em; }
.thinking-card__title { font-size:16px; font-weight:700; color:var(--ink); margin-bottom:12px; line-height:1.35; }
.thinking-card__body { font-size:13.5px; color:var(--ink-3); line-height:1.75; margin-bottom:18px; }
.thinking-card__body strong { color:var(--ink-2); font-weight:600; }
.thinking-card__tags { display:flex; flex-wrap:wrap; gap:6px; }
.thinking-card__tag { font-family:var(--font-mono); font-size:10px; color:var(--ink-4); background:var(--surface); border:1px solid var(--border); border-radius:var(--r-full); padding:2px 9px; }

/* ══════════════════════════════
   AI ADVISOR (Claude-powered chat)
══════════════════════════════ */
.ai-advisor {
  background:linear-gradient(160deg,#13101e 0%,#0d1f1a 50%,#12101a 100%);
  position:relative; overflow:hidden;
}
.ai-advisor__orb-1 { position:absolute; width:500px;height:500px; border-radius:50%; background:radial-gradient(circle,rgba(16,185,129,0.18) 0%,transparent 70%); top:-150px;right:-80px; pointer-events:none; }
.ai-advisor__orb-2 { position:absolute; width:350px;height:350px; border-radius:50%; background:radial-gradient(circle,rgba(99,102,241,0.14) 0%,transparent 70%); bottom:-100px;left:-50px; pointer-events:none; }
.ai-advisor__inner { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center; position:relative; z-index:1; }
.ai-advisor__badge { font-family:var(--font-mono); font-size:10px; letter-spacing:0.16em; text-transform:uppercase; color:var(--emerald); background:rgba(16,185,129,0.12); border:1px solid rgba(16,185,129,0.25); border-radius:var(--r-full); display:inline-block; padding:5px 14px; margin-bottom:20px; }
.ai-advisor__title { font-family:var(--font-display); font-size:clamp(26px,3vw,40px); font-weight:800; letter-spacing:-0.025em; color:#fff; line-height:1.1; margin-bottom:18px; }
.ai-advisor__body { font-size:15px; color:rgba(255,255,255,0.55); line-height:1.8; margin-bottom:28px; }
.ai-advisor__prompts-label { font-family:var(--font-mono); font-size:10px; letter-spacing:0.1em; color:rgba(255,255,255,0.3); text-transform:uppercase; margin-bottom:12px; }
.ai-advisor__prompts { display:flex; flex-direction:column; gap:8px; }
.ai-advisor__prompt-btn {
  text-align:left; font-size:13px; color:rgba(255,255,255,0.6);
  background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--r-md); padding:10px 14px; cursor:pointer;
  transition:all 0.2s; font-family:var(--font-body);
}
.ai-advisor__prompt-btn:hover { background:rgba(16,185,129,0.12); border-color:rgba(16,185,129,0.3); color:#fff; transform:translateX(4px); }

/* Chat widget */
.ai-chat {
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--r-xl); overflow:hidden;
}
.ai-chat__header { display:flex; align-items:center; gap:14px; padding:18px 20px; border-bottom:1px solid rgba(255,255,255,0.08); background:rgba(255,255,255,0.03); }
.ai-chat__avatar { width:38px;height:38px; border-radius:50%; background:var(--grad-primary); display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:700; color:#fff; flex-shrink:0; }
.ai-chat__name { font-size:14px; font-weight:600; color:rgba(255,255,255,0.88); }
.ai-chat__status { display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:10px; color:rgba(255,255,255,0.35); margin-top:3px; }
.ai-chat__status-dot { width:6px;height:6px; border-radius:50%; background:var(--emerald); animation:blink 2.4s infinite; }
.ai-chat__messages { padding:18px; min-height:220px; max-height:320px; overflow-y:auto; display:flex; flex-direction:column; gap:14px; }
.ai-chat__messages::-webkit-scrollbar { width:4px; }
.ai-chat__messages::-webkit-scrollbar-track { background:transparent; }
.ai-chat__messages::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.1); border-radius:2px; }
.ai-chat__message { display:flex; }
.ai-chat__message--user { justify-content:flex-end; }
.ai-chat__bubble {
  max-width:85%; font-size:13.5px; line-height:1.65; padding:12px 15px; border-radius:var(--r-md);
}
.ai-chat__message--assistant .ai-chat__bubble { background:rgba(255,255,255,0.07); color:rgba(255,255,255,0.78); border-radius:4px var(--r-md) var(--r-md) var(--r-md); }
.ai-chat__message--user .ai-chat__bubble { background:var(--grad-primary); color:#fff; border-radius:var(--r-md) 4px var(--r-md) var(--r-md); }
.ai-chat__typing { display:flex; align-items:center; gap:5px; padding:14px 16px; }
.ai-chat__typing-dot { width:7px;height:7px; border-radius:50%; background:rgba(255,255,255,0.3); animation:typing 1.2s infinite; }
.ai-chat__typing-dot:nth-child(2) { animation-delay:0.2s; }
.ai-chat__typing-dot:nth-child(3) { animation-delay:0.4s; }
@keyframes typing { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }
.ai-chat__input-row { display:flex; align-items:flex-end; gap:10px; padding:14px 16px; border-top:1px solid rgba(255,255,255,0.08); }
.ai-chat__input {
  flex:1; font-family:var(--font-body); font-size:13.5px; color:rgba(255,255,255,0.85);
  background:rgba(255,255,255,0.06); border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--r-md); padding:10px 14px; outline:none; resize:none;
  transition:border-color 0.2s;
}
.ai-chat__input:focus { border-color:rgba(16,185,129,0.4); }
.ai-chat__input::placeholder { color:rgba(255,255,255,0.25); }
.ai-chat__send {
  width:40px;height:40px; border-radius:var(--r-md); background:var(--grad-primary);
  display:flex; align-items:center; justify-content:center; color:#fff;
  transition:all 0.2s; flex-shrink:0;
}
.ai-chat__send:hover { transform:scale(1.05); opacity:0.9; }
.ai-chat__send:disabled { opacity:0.4; transform:none; }

/* ══════════════════════════════
   CONVERSION FUNNEL
══════════════════════════════ */
.funnel { background:#fff; border-top:1px solid var(--border); }
.funnel__grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.funnel-card {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-xl); padding:32px;
  position:relative; transition:all 0.3s var(--ease); display:flex; flex-direction:column;
}
.funnel-card:hover { border-color:rgba(99,102,241,0.2); box-shadow:0 16px 48px rgba(99,102,241,0.09); transform:translateY(-4px); background:#fff; }
.funnel-card--featured {
  background:#fff;
  border-color:rgba(16,185,129,0.3);
  box-shadow:0 8px 32px rgba(16,185,129,0.1);
}
.funnel-card--featured:hover { border-color:rgba(16,185,129,0.5); box-shadow:0 20px 56px rgba(16,185,129,0.15); }
.funnel-card__popular {
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  font-family:var(--font-mono); font-size:9px; letter-spacing:0.12em; text-transform:uppercase;
  color:#fff; background:var(--grad-primary); border-radius:var(--r-full); padding:4px 14px; white-space:nowrap;
}
.funnel-card__stage { font-family:var(--font-mono); font-size:10px; letter-spacing:0.14em; text-transform:uppercase; font-weight:600; margin-bottom:14px; }
.funnel-card__icon { font-size:28px; margin-bottom:14px; }
.funnel-card__title { font-family:var(--font-display); font-size:18px; font-weight:700; color:var(--ink); margin-bottom:10px; letter-spacing:-0.01em; }
.funnel-card__desc { font-size:13.5px; color:var(--ink-3); line-height:1.7; }
.funnel-card__divider { height:1px; background:var(--border); margin:18px 0; }
.funnel-card__help { font-size:13.5px; color:var(--ink-2); line-height:1.7; flex:1; }
.funnel-card__help strong { color:var(--ink); font-weight:600; }
.funnel-card__cta {
  display:inline-flex; align-items:center; margin-top:20px;
  font-size:13px; font-weight:700; letter-spacing:0.02em;
  background:var(--grad-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  transition:opacity 0.2s;
}
.funnel-card__cta:hover { opacity:0.75; }

/* ══ RESPONSIVE ADDITIONS ══ */
@media(max-width:1024px) {
  .thinking__grid { grid-template-columns:1fr; }
  .funnel__grid { grid-template-columns:1fr; }
  .ai-advisor__inner { grid-template-columns:1fr; gap:40px; }
}
@media(max-width:768px) {
  .thinking__grid { grid-template-columns:1fr; }
  .funnel__grid { grid-template-columns:1fr; }
  .ai-advisor__inner { grid-template-columns:1fr; gap:36px; }
}

/* ══════════════════════════════
   AI HUB — 3-tab Groq-powered
══════════════════════════════ */
.ai-hub {
  background: linear-gradient(160deg,#0d1a14 0%,#0a1220 50%,#12101a 100%);
  position: relative; overflow: hidden;
}
.ai-hub__orb-1 { position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(16,185,129,0.18) 0%,transparent 70%);top:-180px;right:-100px;pointer-events:none; }
.ai-hub__orb-2 { position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,0.14) 0%,transparent 70%);bottom:-120px;left:-60px;pointer-events:none; }
.ai-hub__header { text-align:center;max-width:680px;margin:0 auto var(--s-48);position:relative;z-index:1; }
.ai-hub__badge { font-family:var(--font-mono);font-size:10px;letter-spacing:0.16em;text-transform:uppercase;color:var(--emerald);background:rgba(16,185,129,0.12);border:1px solid rgba(16,185,129,0.25);border-radius:var(--r-full);display:inline-block;padding:5px 16px;margin-bottom:20px; }
.ai-hub__title { font-family:var(--font-display);font-size:clamp(28px,3.5vw,44px);font-weight:800;letter-spacing:-0.025em;color:#fff;line-height:1.1;margin-bottom:14px; }
.ai-hub__body { font-size:15px;color:rgba(255,255,255,0.5);line-height:1.75; }

/* Key setup box */
.ai-key-setup { position:relative;z-index:1;margin-bottom:var(--s-40); }
.ai-key-setup__inner {
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--r-xl);padding:28px 32px;
}
.ai-key-setup__icon { font-size:28px;flex-shrink:0; }
.ai-key-setup__text { flex:1;min-width:200px; }
.ai-key-setup__title { font-size:15px;font-weight:600;color:rgba(255,255,255,0.85);margin-bottom:6px; }
.ai-key-setup__desc { font-size:13px;color:rgba(255,255,255,0.45);line-height:1.6; }
.ai-key-setup__input-row { display:flex;gap:10px;align-items:center;flex-shrink:0; }
.ai-key-input {
  font-family:var(--font-mono);font-size:13px;color:rgba(255,255,255,0.85);
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.15);
  border-radius:var(--r-md);padding:10px 16px;outline:none;
  transition:border-color 0.2s;width:220px;
}
.ai-key-input:focus { border-color:rgba(16,185,129,0.5); }
.ai-key-input::placeholder { color:rgba(255,255,255,0.25); }

/* Tabs nav */
.ai-tabs { position:relative;z-index:1; }
.ai-tabs__nav { display:flex;gap:4px;margin-bottom:24px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:var(--r-full);padding:4px;width:fit-content; }
.ai-tab-btn {
  display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:rgba(255,255,255,0.5);padding:10px 22px;border-radius:var(--r-full);
  transition:all 0.25s var(--ease);font-family:var(--font-body);
}
.ai-tab-btn:hover { color:rgba(255,255,255,0.8); }
.ai-tab-btn.active { background:var(--grad-primary);color:#fff;box-shadow:0 4px 16px rgba(16,185,129,0.2); }

/* Tab panels */
.ai-tab-panel { display:none; }
.ai-tab-panel.active { display:block; }
.ai-tab-panel__inner {
  display:grid;grid-template-columns:1fr 1.1fr;gap:40px;
  background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--r-xl);padding:36px;
}
.ai-tab-panel__title { font-family:var(--font-display);font-size:22px;font-weight:700;color:#fff;margin-bottom:10px;letter-spacing:-0.02em; }
.ai-tab-panel__desc { font-size:13.5px;color:rgba(255,255,255,0.5);line-height:1.7;margin-bottom:24px; }

/* Quick prompts */
.ai-quick-prompts { display:flex;flex-direction:column;gap:8px; }
.ai-quick-prompts__label { font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.12em;color:rgba(255,255,255,0.25);text-transform:uppercase;margin-bottom:4px; }
.ai-quick-btn {
  text-align:left;font-size:12.5px;font-family:var(--font-body);
  color:rgba(255,255,255,0.6);background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.09);border-radius:var(--r-md);
  padding:9px 14px;cursor:pointer;transition:all 0.2s;line-height:1.45;
}
.ai-quick-btn:hover { background:rgba(16,185,129,0.1);border-color:rgba(16,185,129,0.3);color:#fff;transform:translateX(4px); }

/* Scoper form */
.scoper-form { display:flex;flex-direction:column;gap:14px;margin-top:8px; }
.scoper-row { display:grid;grid-template-columns:1fr 1fr;gap:12px; }
.scoper-field { display:flex;flex-direction:column;gap:6px; }
.scoper-label { font-size:12px;font-weight:600;color:rgba(255,255,255,0.55);letter-spacing:0.02em; }
.scoper-input, .scoper-select {
  font-family:var(--font-body);font-size:13.5px;color:rgba(255,255,255,0.85);
  background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.12);
  border-radius:var(--r-md);padding:10px 14px;outline:none;resize:vertical;
  transition:border-color 0.2s;width:100%;-webkit-appearance:none;
}
.scoper-input:focus, .scoper-select:focus { border-color:rgba(16,185,129,0.45); }
.scoper-input::placeholder { color:rgba(255,255,255,0.22); }
.scoper-select option { background:#1a1a2e;color:#fff; }

/* Output panel */
.scoper-output {
  background:rgba(0,0,0,0.2);border:1px solid rgba(255,255,255,0.07);
  border-radius:var(--r-lg);min-height:360px;overflow-y:auto;
}
.scoper-output::-webkit-scrollbar { width:4px; }
.scoper-output::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.1);border-radius:2px; }
.scoper-output__placeholder { padding:48px 32px;text-align:center; }
.scoper-output__icon { font-size:36px;margin-bottom:14px;opacity:0.4; }
.scoper-output__text { font-size:13px;color:rgba(255,255,255,0.3);line-height:1.7; }

/* AI output rendered content */
.ai-output { padding:24px; }
.ai-output__section { font-family:var(--font-display);font-size:14px;font-weight:700;color:#fff;margin:16px 0 8px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,0.08); }
.ai-output__section:first-child { margin-top:0; }
.ai-output__body { font-size:13px;color:rgba(255,255,255,0.65);line-height:1.72;margin-bottom:6px; }
.ai-output__bullet { display:flex;gap:8px;font-size:13px;color:rgba(255,255,255,0.65);line-height:1.65;margin-bottom:6px; }
.ai-output__bullet-dot { color:var(--emerald);flex-shrink:0;font-weight:700; }
.ai-output__week { font-size:13px;color:rgba(16,185,129,0.85);font-weight:600;margin-bottom:4px;font-family:var(--font-mono); }
.ai-output__gap { height:8px; }

/* Responsive */
@media(max-width:900px) {
  .ai-tab-panel__inner { grid-template-columns:1fr; }
  .ai-key-setup__inner { flex-direction:column;align-items:flex-start; }
  .ai-tabs__nav { width:100%;justify-content:stretch; }
  .ai-tab-btn { flex:1;justify-content:center; }
  .scoper-row { grid-template-columns:1fr; }
}
@media(max-width:600px) {
  .ai-key-setup__input-row { flex-direction:column;width:100%; }
  .ai-key-input { width:100%; }
  .ai-tabs__nav { flex-direction:column;border-radius:var(--r-lg); }
  .ai-tab-btn { border-radius:var(--r-md); }
}

/* ── About photo ── */
.about__photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.5s var(--ease);
}
.about__photo-frame:hover .about__photo-img {
  transform: scale(1.03);
}

/* ══════════════════════════════
   COMPREHENSIVE MOBILE & TAB FIXES
══════════════════════════════ */

/* ── Tablet (768px – 1024px) ── */
@media (max-width: 1024px) and (min-width: 769px) {
  .hero__title { font-size: 46px; }
  .hero__card { padding: 22px; }
  .hero__stat-num { font-size: 26px; }
  .about__grid { grid-template-columns: 1fr 1.1fr; gap: 48px; }
  .thinking__grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .funnel__grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .funnel-card:last-child { grid-column: span 2; max-width: 480px; margin: 0 auto; width: 100%; }
  .projects__grid { grid-template-columns: 1fr; }
  .project-card--featured { grid-template-columns: 1fr; }
  .project-card--featured .project-card__visual { border-right: none; border-bottom: 1px solid var(--border); min-height: 220px; }
  .project-card--featured .project-card__body { padding: 24px; }
  .ai-hub__orb-1, .ai-hub__orb-2 { width: 300px; height: 300px; }
}

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  /* Typography scale down */
  html { font-size: 15px; }
  .hero__title { font-size: 34px; letter-spacing: -0.025em; }
  .section-title { font-size: 26px; }
  .ai-section__title, .ai-advisor__title, .ai-hub__title { font-size: 26px; }

  /* Hero */
  .hero { padding-top: calc(64px + 40px); padding-bottom: 56px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__card { display: none; }
  .hero__outcomes { gap: 8px; }
  .hero__outcome { font-size: 13.5px; }
  .hero__actions { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__tags { gap: 6px; }
  .hero__tag { font-size: 11px; padding: 3px 10px; }

  /* AI ticker — smaller text */
  .ai-ticker__item { font-size: 10px; gap: 6px; }
  .ai-ticker__track { gap: 28px; }

  /* About */
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__photo-frame { max-width: 280px; aspect-ratio: 1/1; border-radius: 50%; }
  .about__photo-img { object-position: center top; }
  .about__badge-wrap { right: 0; bottom: -12px; }
  .about__pillars { grid-template-columns: 1fr 1fr; }

  /* AI section */
  .ai-section__inner { grid-template-columns: 1fr; gap: 36px; }
  .ai-stack-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .ai-stack-card { padding: 14px; }
  .ai-stack-card__icon { font-size: 18px; margin-bottom: 6px; }
  .ai-stack-card__name { font-size: 12px; }
  .ai-stack-card__desc { font-size: 10.5px; }

  /* Experience */
  .exp__layout { grid-template-columns: 1fr; gap: 32px; }
  .exp__sidebar { position: static; }
  .exp__card { padding: 18px; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; gap: 12px; }
  .service-card { padding: 22px; }

  /* Projects */
  .projects__grid { grid-template-columns: 1fr; gap: 16px; }
  .project-card--featured { grid-column: span 1; grid-template-columns: 1fr; }
  .project-card--featured .project-card__visual { border-right: none; border-bottom: 1px solid var(--border); min-height: 200px; }
  .project-card--featured .project-card__body { padding: 20px; }
  .projects__header-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .projects__header-row .btn { width: 100%; justify-content: center; }

  /* Thinking */
  .thinking__grid { grid-template-columns: 1fr; gap: 14px; }
  .thinking-card { padding: 22px; }
  .thinking-card__num { font-size: 36px; margin-bottom: 10px; }

  /* AI Hub */
  .ai-hub__header { margin-bottom: 32px; }
  .ai-key-setup__inner { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px; }
  .ai-key-setup__input-row { flex-direction: column; width: 100%; }
  .ai-key-input { width: 100%; }
  .ai-tabs__nav { flex-direction: column; border-radius: var(--r-lg); width: 100%; }
  .ai-tab-btn { justify-content: center; border-radius: var(--r-md); font-size: 13px; padding: 9px 16px; }
  .ai-tab-panel__inner { grid-template-columns: 1fr; gap: 24px; padding: 20px; }
  .scoper-row { grid-template-columns: 1fr; }
  .scoper-output { min-height: 260px; }

  /* Funnel */
  .funnel__grid { grid-template-columns: 1fr; gap: 16px; }
  .funnel-card { padding: 24px; }
  .funnel-card__popular { font-size: 8px; }

  /* Testimonials */
  .testimonials__grid { grid-template-columns: 1fr; gap: 14px; }
  .testi-card { padding: 22px; }

  /* Contact */
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .contact__links { gap: 10px; }
  .contact__link { padding: 13px 16px; font-size: 13px; }

  /* Footer */
  .footer__inner { flex-direction: column; text-align: center; gap: 12px; }
  .footer__links { justify-content: center; }
}

/* ── Small mobile (≤ 480px) ── */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero__title { font-size: 30px; }
  .section-title { font-size: 24px; }
  .hero__eyebrow { font-size: 10px; padding: 4px 12px; }
  .about__pillars { grid-template-columns: 1fr; }
  .ai-stack-grid { grid-template-columns: 1fr; }
  .proof-block { gap: 6px; }
  .proof-tag { font-size: 8px; padding: 2px 7px; }
  .proof-text { font-size: 12px; }
  .project-card__body { padding: 16px; }
  .ai-tab-panel__inner { padding: 16px; }
  .thinking-card { padding: 18px; }
  .testi-card__quote { font-size: 13.5px; }
  .funnel-card { padding: 20px; }
  .service-card { padding: 18px; }
}

/* ── Landscape phone ── */
@media (max-width: 768px) and (orientation: landscape) {
  .hero { padding-top: calc(64px + 24px); padding-bottom: 40px; }
  .hero__title { font-size: 28px; }
  .section { padding: 56px 0; }
}

/* ── Touch: remove hover effects for performance ── */
@media (hover: none) {
  .project-card:hover,
  .service-card:hover,
  .exp__card:hover,
  .testi-card:hover,
  .funnel-card:hover,
  .thinking-card:hover { transform: none; box-shadow: none; }
  .btn--primary:hover, .btn--ghost:hover { transform: none; }
  .hero__tag:hover { background: var(--surface-2); border-color: var(--border); color: var(--ink-3); }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.1ms !important; }
  .reveal { opacity: 1; transform: none; }
  .ai-ticker__track { animation: none; }
  .hero__domain-bar { transition: none; }
}