/* =========================================================
   Vaaani — design tokens
   ========================================================= */
:root {
  /* Brand */
  --c-bg:        #0e1418;
  --c-bg-2:      #0a0f12;
  --c-surface:   #111a1f;
  --c-surface-2: #16222a;
  --c-line:      #1f2c34;
  --c-text:      #e9efe7;
  --c-muted:     #8a9a9a;
  --c-dim:       #5b6e6e;

  --c-accent:    #b6ff4a;       /* neon green */
  --c-accent-2:  #5be36b;
  --c-accent-glow: rgba(182, 255, 74, 0.45);

  --c-orange:    #ff6b2b;       /* "AI" highlight, like reference */
  --c-orange-2:  #ff8a4c;

  --c-light:     #f4f5f6;
  --c-light-2:   #ebedf0;
  --c-ink:       #0d1b24;       /* dark text on light bg */

  /* Type */
  --f-display: "Inter", system-ui, sans-serif;
  --f-body:    "Inter", system-ui, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, monospace;

  /* Spacing */
  --s-xs: .5rem;
  --s-sm: 1rem;
  --s-md: 2rem;
  --s-lg: 4rem;
  --s-xl: 7rem;

  --radius: 14px;
  --radius-lg: 22px;

  /* Motion */
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in:  cubic-bezier(.7,0,.84,0);
}

/* =========================================================
   Reset
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; letter-spacing: -.01em; }
p  { margin: 0; }

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

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

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1rem, 4vw, 3rem);
  background: linear-gradient(180deg, rgba(14,20,24,.85), rgba(14,20,24,.55));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.scrolled {
  border-color: var(--c-line);
  background: rgba(10,15,18,.92);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 800;
  letter-spacing: -.01em;
  font-size: 1.05rem;
}
.brand-mark {
  display: inline-flex;
  width: 32px; height: 32px;
  border: 1px solid var(--c-line);
  border-radius: 9px;
  background: linear-gradient(180deg, #14202a, #0c1418);
  align-items: center; justify-content: center;
}
.brand-name .dot { color: var(--c-accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: .92rem;
  color: var(--c-muted);
}
.nav-links a { transition: color .2s ease; }
.nav-links a:hover { color: var(--c-text); }
.nav-cta {
  color: var(--c-accent) !important;
  border: 1px solid color-mix(in srgb, var(--c-accent) 35%, transparent);
  padding: .55rem 1rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--c-accent) 8%, transparent);
}
.nav-cta:hover {
  background: color-mix(in srgb, var(--c-accent) 18%, transparent);
  box-shadow: 0 0 24px var(--c-accent-glow);
}
@media (max-width: 720px){
  .nav-links a:not(.nav-cta) { display: none; }
}

/* =========================================================
   Active nav state (multi-page)
   ========================================================= */
.nav-links a.is-active {
  color: var(--c-accent);
  position: relative;
}
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
}

/* =========================================================
   Page hero (sub-pages — replaces big hero)
   ========================================================= */
.page-hero {
  position: relative;
  padding: 9rem 0 4rem;
  isolation: isolate;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  z-index: -1;
}
.page-hero-bg .glow-1 {
  width: 500px; height: 500px;
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  background: var(--c-accent);
  top: -180px; right: -120px;
  opacity: .12;
}
.page-hero-bg .grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
}
.page-title {
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
  margin: 1rem 0 1rem;
}
.page-title .accent { color: var(--c-accent); }
.page-sub {
  color: var(--c-muted);
  font-size: 1.15rem;
  max-width: 60ch;
}

/* =========================================================
   Explore grid (home landing — links to each section page)
   ========================================================= */
.explore {
  padding: 6rem 0 8rem;
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
}
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
@media (max-width: 880px) { .explore-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .explore-grid { grid-template-columns: 1fr; } }

.ex-card {
  display: block;
  padding: 2rem 1.6rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  color: var(--c-text);
  transition: transform .35s var(--ease-out), border-color .3s ease, box-shadow .35s ease;
  position: relative;
  overflow: hidden;
}
.ex-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--c-accent) 35%, var(--c-line));
  box-shadow: 0 26px 60px -25px rgba(0,0,0,.7), 0 0 32px -10px var(--c-accent-glow);
}
.ex-card.highlight {
  background:
    radial-gradient(400px 200px at 100% 0%, rgba(182,255,74,.10), transparent 60%),
    linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border-color: color-mix(in srgb, var(--c-accent) 30%, var(--c-line));
}
.ex-num {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--c-accent);
  margin-bottom: 1.4rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: rgba(182,255,74,.08);
  border: 1px solid color-mix(in srgb, var(--c-accent) 25%, transparent);
}
.ex-card h3 {
  font-size: 1.3rem;
  letter-spacing: -.01em;
  margin-bottom: .5rem;
}
.ex-card p {
  color: var(--c-muted);
  font-size: .95rem;
  margin-bottom: 1.2rem;
}
.ex-go {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--f-mono);
  font-size: .82rem;
  color: var(--c-accent);
  transition: gap .25s ease;
}
.ex-card:hover .ex-go { gap: .65rem; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 8rem 0 5rem;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 600px at 80% 20%, rgba(91, 227, 107, 0.10), transparent 60%),
    radial-gradient(900px 600px at 10% 90%, rgba(182, 255, 74, 0.08), transparent 60%),
    var(--c-bg);
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 40%, transparent 80%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.glow-1 { width: 500px; height: 500px; background: var(--c-accent); top: -120px; right: -120px; opacity:.18;}
.glow-2 { width: 400px; height: 400px; background: #2bd6ff; bottom: -120px; left: -80px; opacity: .10;}

.hero-inner {
  width: min(1280px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 980px){
  .hero-inner { grid-template-columns: 1fr; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--c-muted);
  background: color-mix(in srgb, var(--c-surface) 80%, transparent);
  padding: .45rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--c-line);
}
.dot-pulse {
  width: 8px; height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--c-accent-glow);
  animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 var(--c-accent-glow); }
  100% { box-shadow: 0 0 0 14px rgba(182,255,74,0); }
}

.hero-title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6.6vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -.03em;
  margin: 1.4rem 0 1.6rem;
}
.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-title .line > span {
  display: inline-block;
  will-change: transform;
}
.hero-title .accent > span {
  background: linear-gradient(110deg, var(--c-accent) 0%, var(--c-accent-2) 60%, #d8ff8f 100%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px rgba(182, 255, 74, .15);
}

.hero-sub {
  color: var(--c-muted);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  max-width: 30rem;
  margin-bottom: 1.8rem;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .9rem;
  margin-bottom: 2rem;
  font-size: .92rem;
  color: var(--c-muted);
}
.hero-pills li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.hero-pills li:not(:last-child)::after {
  content: "│";
  margin-left: .9rem;
  color: var(--c-line);
}
.hero-pills .pulse {
  width: 7px; height: 7px;
  background: var(--c-accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--c-accent);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .95rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease-out), background .25s ease, box-shadow .25s ease, color .25s ease;
}
.btn-primary {
  background: var(--c-accent);
  color: #0a0f12;
  box-shadow: 0 0 0 0 var(--c-accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px var(--c-accent-glow), 0 0 30px var(--c-accent-glow);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text);
  border-color: var(--c-line);
}
.btn-ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* Hero mockup chat window */
.hero-mock {
  position: relative;
  perspective: 1400px;
}
.window {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #0c1419, #0a1014);
  border: 1.5px solid color-mix(in srgb, var(--c-accent) 35%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--c-accent) 16%, transparent),
    0 0 60px -10px var(--c-accent-glow),
    0 30px 80px -20px rgba(0,0,0,.7);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(4deg);
  transform-style: preserve-3d;
}
.window-bar {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .8rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--c-accent) 20%, transparent);
  background: rgba(0,0,0,.25);
}
.window-bar .dot { width: 11px; height: 11px; border-radius: 50%; }
.window-bar .r { background: #ff5f56; }
.window-bar .y { background: #ffbd2e; }
.window-bar .g { background: #27c93f; }
.window-bar .window-title {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--c-muted);
}

.chat {
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  min-height: 320px;
}
.msg {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  opacity: 0;
  transform: translateY(10px);
}
.msg-bot {
  flex-direction: row;
  justify-content: flex-end;
}
.avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--c-accent);
  display: inline-flex;
  align-items: center; justify-content: center;
  background: rgba(182,255,74,.06);
  flex-shrink: 0;
}
.bubble {
  border: 1.4px solid var(--c-accent);
  padding: .7rem 1rem;
  border-radius: 999px;
  font-size: .94rem;
  color: var(--c-text);
  background: rgba(182,255,74,.04);
  max-width: 80%;
}
.bubble-bot {
  background: var(--c-accent);
  color: #0a0f12;
  border-color: var(--c-accent);
  font-weight: 500;
  box-shadow: 0 0 24px -4px var(--c-accent-glow);
}
.typed::after {
  content: "▍";
  color: var(--c-accent);
  margin-left: 2px;
  opacity: 0;
}
.typed.typing::after { opacity: 1; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.composer {
  margin: 0 1rem 1rem;
  padding: .85rem 1rem;
  border: 1.4px solid var(--c-accent);
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: .5rem;
  background: rgba(182,255,74,.03);
}
.caret {
  display: inline-block;
  width: 2px; height: 16px;
  background: var(--c-accent);
  animation: blink 1s steps(2) infinite;
  flex: 1;
}
.send {
  border: none;
  background: transparent;
  cursor: pointer;
}

/* Floating tech tags */
.float {
  position: absolute;
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--c-accent);
  background: rgba(10,15,18,.85);
  border: 1px solid color-mix(in srgb, var(--c-accent) 30%, transparent);
  padding: .35rem .7rem;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
  will-change: transform;
}
.f1 { top: 6%;  left: -6%; }
.f2 { top: 20%; right: -8%; }
.f3 { bottom: 18%; left: -10%; }
.f4 { bottom: 6%; right: -4%; }

/* Scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px; height: 36px;
  border: 1.5px solid var(--c-muted);
  border-radius: 12px;
  display: grid; place-items: start center;
  padding-top: 6px;
  opacity: .6;
}
.scroll-cue span {
  width: 3px; height: 8px;
  background: var(--c-accent);
  border-radius: 2px;
  display: block;
  animation: cue 1.6s ease-in-out infinite;
}
@keyframes cue {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(10px); opacity: 0; }
}

/* =========================================================
   Ticker
   ========================================================= */
.ticker {
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg-2);
  overflow: hidden;
  padding: 1.1rem 0;
}
.ticker-track {
  display: flex;
  gap: 2rem;
  white-space: nowrap;
  font-family: var(--f-mono);
  font-size: .95rem;
  color: var(--c-muted);
  width: max-content;
  will-change: transform;
}
.ticker-track span:nth-child(odd){ color: var(--c-text); }
.ticker-track span:nth-child(even){ color: var(--c-accent); }

/* =========================================================
   Section helpers
   ========================================================= */
.section-head {
  margin-bottom: 3rem;
  max-width: 720px;
}
.section-head.light { color: var(--c-ink); }
.kicker {
  font-family: var(--f-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .8rem;
}
.kicker.dark { color: var(--c-orange); }
.section-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -.025em;
  line-height: 1.05;
}
.section-title.dark { color: var(--c-ink); }
.section-title .accent {
  color: var(--c-accent);
}
.section-title .o {
  color: var(--c-orange);
}
.section-sub {
  margin-top: 1rem;
  font-size: 1.05rem;
  color: var(--c-muted);
}
.section-sub.dark { color: #4b5b66; }

/* =========================================================
   Pitch
   ========================================================= */
.pitch {
  padding: 7rem 0 5rem;
  position: relative;
}
.big-q {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  max-width: 22ch;
  margin-bottom: 2.5rem;
}
.big-q .hl {
  color: var(--c-accent);
  position: relative;
}
.big-q .hl::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 6px;
  background: rgba(182,255,74,.18);
  z-index: -1;
}
.pitch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  color: var(--c-muted);
  font-size: 1.05rem;
  max-width: 920px;
}
@media (max-width: 760px) {
  .pitch-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Services
   ========================================================= */
.services {
  padding: 5rem 0 7rem;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
@media (max-width: 760px) { .card-grid { grid-template-columns: 1fr; } }

.svc-card {
  position: relative;
  padding: 1.8rem 1.8rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-line);
  transition: transform .4s var(--ease-out), border-color .3s ease, box-shadow .4s ease;
  overflow: hidden;
}
.svc-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--c-accent), transparent 40%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--c-accent) 25%, var(--c-line));
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.6), 0 0 50px -20px var(--c-accent-glow);
}
.svc-card:hover::before { opacity: 1; }
.svc-num {
  font-family: var(--f-mono);
  font-size: .8rem;
  color: var(--c-accent);
  letter-spacing: .12em;
  margin-bottom: 1.4rem;
}
.svc-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(182,255,74,.08);
  border: 1px solid color-mix(in srgb, var(--c-accent) 25%, transparent);
  margin-bottom: 1.2rem;
}
.svc-card h3 {
  font-size: 1.4rem;
  margin-bottom: .6rem;
  letter-spacing: -.01em;
}
.svc-card > p {
  color: var(--c-muted);
  margin-bottom: 1.2rem;
}
.bullets li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .92rem;
  color: var(--c-text);
  margin-bottom: .35rem;
}
.bullets li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--c-accent);
  font-weight: 700;
}

/* =========================================================
   Ecosystems (light)
   ========================================================= */
.ecosystems {
  background: var(--c-light);
  color: var(--c-ink);
  padding: 7rem 0 8rem;
  position: relative;
  overflow: hidden;
}
.ecosystems::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(13,27,36,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13,27,36,.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 40%, transparent 90%);
  pointer-events: none;
  opacity: .8;
}
.eco-stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 4rem;
  align-items: center;
}
@media (min-width: 980px) {
  .eco-stage { grid-template-columns: 1.5fr 1fr; }
}
.device { position: relative; }

.laptop {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.laptop .screen {
  background: #fff;
  border-radius: 12px 12px 4px 4px;
  border: 8px solid #1a1a1a;
  border-bottom-width: 14px;
  padding: .9rem 1rem;
  aspect-ratio: 16/10;
  box-shadow: 0 30px 60px -20px rgba(13,27,36,.25);
}
.laptop .base {
  height: 14px;
  background: linear-gradient(180deg, #1a1a1a, #0d0d0d);
  margin: 0 auto;
  width: 110%;
  border-radius: 0 0 14px 14px;
  position: relative; left: -5%;
  box-shadow: 0 22px 30px -10px rgba(13,27,36,.25);
}
.ui-header {
  display: flex; align-items: center; gap: .35rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid #eee;
  margin-bottom: .8rem;
}
.ui-header span {
  width: 9px; height: 9px; border-radius: 50%; background: #e2e6ea;
}
.ui-header b {
  font-size: .85rem;
  margin-left: .5rem;
  color: var(--c-ink);
  font-weight: 700;
}
.ui-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: .55rem;
  margin-bottom: .8rem;
}
.kpi {
  background: #f6f7f9;
  border-radius: 8px;
  padding: .55rem .65rem;
  font-family: var(--f-mono);
}
.kpi b { display: block; color: var(--c-orange); font-size: .9rem; }
.kpi i { font-style: normal; color: #6b7783; font-size: .68rem; }
.ui-bars {
  display: flex; align-items: flex-end;
  height: 80px; gap: .35rem;
  padding: .4rem .1rem;
  border-radius: 8px;
  background: #f6f7f9;
}
.ui-bars span {
  flex: 1;
  background: linear-gradient(180deg, var(--c-orange) 0%, var(--c-orange-2) 100%);
  border-radius: 3px 3px 0 0;
  height: 0;
  --h: 60%;
}

.phone {
  width: 100%;
  max-width: 180px;
  margin: 0 auto;
  position: relative;
}
.phone .screen {
  background: linear-gradient(180deg, #6c4ad6 0%, #5638b8 100%);
  border-radius: 28px;
  border: 8px solid #1a1a1a;
  aspect-ratio: 9/19;
  padding: 1rem .9rem;
  position: relative;
  box-shadow: 0 30px 50px -15px rgba(13,27,36,.3);
  overflow: hidden;
}
.ph-top { display: flex; justify-content: center; margin-bottom: 1rem; }
.ph-top span {
  width: 60px; height: 5px; border-radius: 99px;
  background: rgba(255,255,255,.4);
}
.ph-card {
  background: rgba(255,255,255,.95);
  border-radius: 14px;
  padding: 1rem;
  text-align: center;
  margin-bottom: 1rem;
}
.ph-card b { display: block; color: var(--c-ink); font-size: .82rem; }
.ph-card i { font-style: normal; color: #5638b8; font-size: .68rem; font-weight: 700; }
.ph-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
.ph-grid span {
  background: rgba(255,255,255,.18);
  border-radius: 9px;
  aspect-ratio: 1;
}

.eco-pillars {
  display: flex; flex-direction: column;
  gap: 1rem;
}
.pillar {
  display: flex; align-items: center; gap: 1rem;
  background: #fff;
  border: 1px solid var(--c-light-2);
  border-radius: 14px;
  padding: 1rem 1.2rem;
  box-shadow: 0 6px 20px -10px rgba(13,27,36,.15);
  transition: transform .3s var(--ease-out), box-shadow .3s ease;
}
.pillar:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px -15px rgba(13,27,36,.2);
}
.pi-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  background: #fff5ee;
  border: 1px solid #ffd6c0;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.pillar b { display: block; font-size: 1.05rem; color: var(--c-ink); }
.pillar i { font-style: normal; color: #6b7783; font-size: .85rem; }

/* =========================================================
   About + Projects
   ========================================================= */
.about {
  padding: 7rem 0;
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
}
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 980px){
  .about-grid { grid-template-columns: 1fr; }
}

.about-card {
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem;
  position: sticky;
  top: 100px;
  text-align: center;
}
.about-portrait {
  position: relative;
  width: 160px; height: 160px;
  margin: 0 auto 1.4rem;
  display: grid; place-items: center;
}
.about-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--c-accent) 50%, transparent);
  box-shadow: 0 0 0 6px rgba(182,255,74,.06), 0 18px 40px -10px rgba(0,0,0,.6), 0 0 50px -10px var(--c-accent-glow);
  z-index: 2;
}
.about-portrait .ring {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1.5px dashed color-mix(in srgb, var(--c-accent) 50%, transparent);
  animation: ringSpin 14s linear infinite;
  pointer-events: none;
}
.about-portrait .ring.r2 {
  inset: -22px;
  border-style: solid;
  border-color: color-mix(in srgb, var(--c-accent) 25%, transparent);
  opacity: .4;
  animation-duration: 22s;
  animation-direction: reverse;
}
@keyframes ringSpin { to { transform: rotate(360deg); } }

.about-id h3 {
  font-size: 1.4rem;
  margin-bottom: .25rem;
}
.about-id .role {
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  margin-bottom: 1.2rem;
}
.about-meta {
  text-align: left;
  border-top: 1px solid var(--c-line);
  padding-top: 1rem;
  display: grid; gap: .55rem;
}
.about-meta li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: .8rem;
  font-size: .9rem;
  color: var(--c-text);
}
.about-meta li span {
  font-family: var(--f-mono);
  color: var(--c-dim);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding-top: 2px;
}

.about-body .section-title { font-size: clamp(1.7rem, 3.4vw, 2.6rem); margin-bottom: 1.6rem; }
.about-prose p {
  color: var(--c-muted);
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
  max-width: 60ch;
}
.competencies {
  margin-top: 2.4rem;
  display: grid;
  gap: 1rem;
}
.comp-row {
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
}
.comp-row h6 {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .4rem;
}
.comp-row p {
  margin: 0;
  color: var(--c-muted);
  font-size: .95rem;
}

/* Projects */
.projects {
  padding: 7rem 0;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}
@media (max-width: 880px){ .proj-grid { grid-template-columns: 1fr; } }

.proj-card {
  position: relative;
  padding: 1.8rem 1.6rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  transition: transform .35s var(--ease-out), border-color .3s ease, box-shadow .35s ease;
  overflow: hidden;
}
.proj-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--c-accent) 30%, var(--c-line));
  box-shadow: 0 28px 60px -25px rgba(0,0,0,.7), 0 0 32px -10px var(--c-accent-glow);
}
.proj-card.highlight {
  background:
    radial-gradient(400px 220px at 100% 0%, rgba(182,255,74,.10), transparent 60%),
    linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border-color: color-mix(in srgb, var(--c-accent) 30%, var(--c-line));
}
.proj-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: rgba(182,255,74,.08);
  border: 1px solid color-mix(in srgb, var(--c-accent) 25%, transparent);
  padding: .3rem .7rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
}
.proj-card h3 {
  font-size: 1.6rem;
  letter-spacing: -.015em;
  margin-bottom: .3rem;
}
.proj-sub {
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: .82rem;
  margin-bottom: 1rem;
}
.proj-card > p {
  color: var(--c-muted);
  font-size: .95rem;
  margin-bottom: 1.2rem;
}
.proj-meta {
  display: flex; flex-wrap: wrap; gap: .4rem;
  border-top: 1px solid var(--c-line);
  padding-top: 1rem;
}
.proj-meta li {
  font-family: var(--f-mono);
  font-size: .76rem;
  color: var(--c-muted);
  padding: .25rem .6rem;
  border: 1px solid var(--c-line);
  border-radius: 999px;
}
.proj-demo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin-top: 1.4rem;
  padding: .65rem 1.05rem;
  border: 1px solid color-mix(in srgb, var(--c-accent) 40%, transparent);
  background: rgba(182,255,74,.06);
  border-radius: 999px;
  color: var(--c-accent);
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: -.005em;
  transition: background .25s ease, border-color .25s ease, transform .25s var(--ease-out), box-shadow .3s ease;
}
.proj-demo:hover {
  background: var(--c-accent);
  color: #0a0f12;
  border-color: var(--c-accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -10px var(--c-accent-glow);
}
.proj-demo-dot {
  width: 7px; height: 7px;
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
  animation: pulse 1.8s ease-out infinite;
}
.proj-demo-arrow {
  transition: transform .25s var(--ease-out);
}
.proj-demo:hover .proj-demo-arrow {
  transform: translateX(3px);
}

/* =========================================================
   Frameworks (tabs + cards)
   ========================================================= */
.frameworks {
  padding: 7rem 0;
  background: var(--c-bg);
  position: relative;
}
.fw {
  margin-top: 1rem;
}

/* Tabs */
.fw-tabs-wrap {
  position: sticky;
  top: 70px;
  z-index: 5;
  background: linear-gradient(180deg, var(--c-bg) 80%, transparent);
  padding: 1rem 0 1.4rem;
  margin-bottom: 1.5rem;
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
}
.fw-tabs {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .35rem;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 100%;
}
.fw-tabs::-webkit-scrollbar { display: none; }

.fw-tab {
  position: relative;
  z-index: 2;
  border: 0;
  background: transparent;
  color: var(--c-muted);
  padding: .65rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: -.005em;
  white-space: nowrap;
  transition: color .25s ease;
}
.fw-tab:hover { color: var(--c-text); }
.fw-tab.is-active { color: #0a0f12; }

.fw-indicator {
  position: absolute;
  top: 5px; bottom: 5px;
  background: var(--c-accent);
  border-radius: 999px;
  z-index: 1;
  box-shadow: 0 0 24px -4px var(--c-accent-glow);
  transition: left .45s var(--ease-out), width .45s var(--ease-out);
  pointer-events: none;
}

/* Panels */
.fw-panels { position: relative; }
.fw-panel { display: none; }
.fw-panel.is-active { display: block; }

.fw-lead {
  max-width: 60ch;
  color: var(--c-muted);
  font-size: 1.05rem;
  margin: 0 0 1.8rem;
}
.fw-lead em { color: var(--c-accent); font-style: normal; font-weight: 600; }

.fw-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
@media (max-width: 1080px) { .fw-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 780px)  { .fw-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px)  { .fw-grid { grid-template-columns: 1fr; } }

.fw-card {
  position: relative;
  display: block;
  padding: 1.4rem 1.3rem 1.5rem;
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-text);
  transition: transform .35s var(--ease-out), border-color .3s ease, box-shadow .35s ease;
  overflow: hidden;
  cursor: pointer;
}
.fw-card::after {
  content: "→";
  position: absolute;
  top: 1.1rem; right: 1.2rem;
  color: var(--c-dim);
  font-weight: 700;
  transition: transform .3s var(--ease-out), color .3s ease;
}
.fw-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--c-accent) 35%, var(--c-line));
  box-shadow: 0 24px 50px -25px rgba(0,0,0,.7), 0 0 30px -10px var(--c-accent-glow);
}
.fw-card:hover::after {
  transform: translateX(4px);
  color: var(--c-accent);
}
.fw-card.highlight {
  background:
    radial-gradient(400px 200px at 0% 0%, rgba(182,255,74,.08), transparent 60%),
    linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border-color: color-mix(in srgb, var(--c-accent) 30%, var(--c-line));
}

.fw-icon {
  width: 44px; height: 44px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(182,255,74,.07);
  border: 1px solid color-mix(in srgb, var(--c-accent) 22%, transparent);
  color: var(--c-accent);
  margin-bottom: 1rem;
  transition: transform .35s var(--ease-out), background .3s ease;
}
.fw-icon svg { width: 24px; height: 24px; }
.fw-card:hover .fw-icon {
  transform: rotate(-6deg) scale(1.05);
  background: rgba(182,255,74,.14);
}
.fw-card h4 {
  font-size: 1.05rem;
  letter-spacing: -.01em;
  margin-bottom: .5rem;
}
.fw-card p {
  font-size: .9rem;
  line-height: 1.5;
  color: var(--c-muted);
  margin-bottom: .9rem;
}
.fw-use {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .76rem;
  color: var(--c-accent);
  letter-spacing: .01em;
  opacity: .85;
}

/* Meta below tabs */
.fw-meta {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-top: 3rem;
  border-top: 1px solid var(--c-line);
}
@media (max-width: 760px) { .fw-meta { grid-template-columns: 1fr; } }
.fw-meta-row h6 {
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 1rem;
}
.meta-pills { display: flex; flex-wrap: wrap; gap: .5rem; }

.chip {
  display: inline-flex;
  align-items: center;
  padding: .42rem 1rem;
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: .88rem;
  transition: all .25s ease;
  cursor: default;
}
.chip:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-1px);
  box-shadow: 0 0 18px -6px var(--c-accent-glow);
}

/* =========================================================
   Process
   ========================================================= */
.process {
  padding: 7rem 0;
  background: linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 100%);
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}
@media (max-width: 880px){ .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px){ .steps { grid-template-columns: 1fr; } }

.step {
  position: relative;
  padding: 1.6rem 1.4rem;
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  transition: border-color .3s ease, transform .3s var(--ease-out);
}
.step:hover {
  border-color: color-mix(in srgb, var(--c-accent) 20%, var(--c-line));
  transform: translateY(-4px);
}
.step .num {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .8rem;
  color: var(--c-accent);
  margin-bottom: 1rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: rgba(182,255,74,.08);
  border: 1px solid color-mix(in srgb, var(--c-accent) 25%, transparent);
}
.step h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.step p { color: var(--c-muted); font-size: .92rem; }

/* =========================================================
   Stats
   ========================================================= */
.stats {
  padding: 5rem 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-bg-2);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
@media (max-width: 760px){ .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  text-align: center;
}
.stat b {
  display: block;
  font-family: var(--f-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--c-accent);
  line-height: 1;
}
.stat span {
  display: block;
  margin-top: .4rem;
  color: var(--c-muted);
  font-size: .92rem;
}

/* =========================================================
   Contact
   ========================================================= */
.contact {
  padding: 8rem 0;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(182,255,74,.10), transparent 70%),
    var(--c-bg);
}
.contact-card {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(from 0deg, transparent 0%, var(--c-accent) 25%, transparent 50%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: .35;
  animation: spin 6s linear infinite;
  pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.contact-card h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  letter-spacing: -.02em;
  line-height: 1.2;
  margin: 1rem 0 1.2rem;
  max-width: 24ch;
  margin-left: auto; margin-right: auto;
}
.contact-card .accent { color: var(--c-accent); }
.contact-sub { color: var(--c-muted); margin-bottom: 2rem; }
.contact-actions {
  display: flex; flex-wrap: wrap;
  gap: .8rem;
  justify-content: center;
  margin-bottom: 2.4rem;
}
.contact-meta {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-family: var(--f-mono);
  font-size: .82rem;
  color: var(--c-dim);
}
.contact-card-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  text-align: left;
  margin: 2.4rem 0 1.6rem;
  padding: 1.6rem 1.4rem;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.contact-card-info h6 {
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .55rem;
}
.contact-card-info p {
  color: var(--c-muted);
  font-size: .9rem;
  line-height: 1.55;
  margin-bottom: .25rem;
}
.contact-card-info p strong { color: var(--c-text); }
.contact-card-info a { color: var(--c-text); transition: color .2s ease; }
.contact-card-info a:hover { color: var(--c-accent); }
@media (max-width: 760px){
  .contact-card-info { grid-template-columns: 1fr; text-align: center; }
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--c-bg-2);
  border-top: 1px solid var(--c-line);
  padding: 4rem 0 1.5rem;
  font-size: .92rem;
  color: var(--c-muted);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 2.8rem;
}
@media (max-width: 760px){ .foot-grid { grid-template-columns: 1fr; gap: 2rem; } }
.foot-brand strong {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--c-text);
  display: block;
  margin-bottom: .5rem;
}
.foot-brand .dot { color: var(--c-accent); }
.foot-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 520px){ .foot-cols { grid-template-columns: repeat(2, 1fr); } }
.foot-cols h6 {
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-text);
  margin-bottom: .9rem;
}
.foot-cols a {
  display: block;
  margin-bottom: .45rem;
  transition: color .2s ease;
}
.foot-cols a:hover { color: var(--c-accent); }
.foot-bot {
  display: flex; justify-content: space-between; flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-line);
  font-size: .82rem;
  color: var(--c-dim);
}

/* =========================================================
   Reveal pre-state (set hidden until JS animates in)
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); }
.no-anim .reveal { opacity: 1; transform: none; }

/* Reduced motion — show everything */
@media (prefers-reduced-motion: reduce) {
  .reveal, .hero-title .line > span, .msg { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}