/* ═══════════════════════════════════════════════════════════
   TRILLIAM — Design System
   Palette: Indigo #6366F1 · Purple #8B5CF6 · Pink #EC4899
   ═══════════════════════════════════════════════════════════ */

/* ─── RESET ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
em { font-style: normal; }

/* ─── TOKENS ─────────────────────────────────────────────── */
:root {
  --indigo:       #6366F1;
  --indigo-d:     #4F46E5;
  --indigo-l:     #818CF8;
  --purple:       #8B5CF6;
  --purple-d:     #7C3AED;
  --pink:         #EC4899;

  --gradient:     linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
  --gradient-r:   linear-gradient(135deg, #EC4899 0%, #8B5CF6 50%, #6366F1 100%);

  --bg:           #FAFAFA;
  --bg-alt:       #F4F4F8;
  --bg-dark:      #0D0B1A;
  --bg-dark-s:    #13112A;
  --bg-card:      #FFFFFF;

  --text:         #1E1B4B;
  --text-2:       #4B5563;
  --text-3:       #9CA3AF;
  --text-inv:     #F1F5F9;

  --border:       #E5E7EB;
  --border-d:     rgba(99,102,241,0.2);

  --r-sm:   8px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   28px;

  --sh-sm:  0 2px 8px rgba(0,0,0,0.07);
  --sh-md:  0 4px 24px rgba(99,102,241,0.12);
  --sh-lg:  0 12px 48px rgba(99,102,241,0.18);
  --sh-glow:0 0 48px rgba(99,102,241,0.45);

  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --nav-h: 72px;
}

/* ─── UTILITIES ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-white  { color: #FFFFFF; }
.text-muted-light { color: rgba(241,245,249,.65); }

/* ─── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--r-md);
  transition: all .25s ease;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background .2s;
}
.btn:hover::after { background: rgba(255,255,255,.08); }

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,.5);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  background: var(--bg-alt);
  border-color: var(--indigo-l);
}

.btn--outline {
  background: transparent;
  color: var(--indigo);
  border: 1.5px solid rgba(99,102,241,.4);
}
.btn--outline:hover {
  background: rgba(99,102,241,.06);
  border-color: var(--indigo);
}

.btn--sm  { font-size: .875rem; padding: 8px 18px; }
.btn--lg  { font-size: 1rem;    padding: 14px 28px; border-radius: var(--r-lg); }
.btn--full{ width: 100%; justify-content: center; }

/* ─── EYEBROW / LABELS ───────────────────────────────────── */
.eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 12px;
}
.eyebrow--glow {
  color: var(--indigo-l);
  text-shadow: 0 0 20px rgba(129,140,248,.6);
}

/* ─── SECTION BASE ───────────────────────────────────────── */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}
.section__head h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section--dark .section__head h2 { color: #fff; }
.section__head p {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.7;
}

/* ─── NAVIGATION ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.nav.scrolled {
  background: rgba(250,250,250,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 32px;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  flex-shrink: 0;
}
.nav__brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  padding: 6px 14px;
  border-radius: var(--r-sm);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color .2s, background .2s;
}
.nav__link:hover,
.nav__link.active {
  color: var(--text);
  background: var(--bg-alt);
}
.nav__link.active { color: var(--indigo); font-weight: 600; }

.nav__actions { display: flex; }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  padding: 6px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s, width .3s;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; width: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--nav-h) + 60px) 0 80px;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.orb--1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,.22), transparent 70%);
  top: -200px; right: -200px;
  animation: floatOrb 10s ease-in-out infinite;
}
.orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,.18), transparent 70%);
  bottom: -100px; left: -150px;
  animation: floatOrb 13s ease-in-out infinite reverse;
}
.orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(236,72,153,.15), transparent 70%);
  top: 40%; left: 45%;
  animation: floatOrb 16s ease-in-out infinite;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%       { transform: translate(25px,-25px) scale(1.06); }
  66%       { transform: translate(-15px,20px) scale(.96); }
}

.hero__grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}

.hero__copy { z-index: 1; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 10px;
  background: rgba(99,102,241,.09);
  border: 1px solid rgba(99,102,241,.22);
  border-radius: 99px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--indigo);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.badge-pulse {
  width: 8px; height: 8px;
  background: var(--indigo);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(99,102,241,.5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(99,102,241,.5); }
  70%  { box-shadow: 0 0 0 8px rgba(99,102,241,0); }
  100% { box-shadow: 0 0 0 0 rgba(99,102,241,0); }
}

.hero__headline {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero__desc {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 36px;
}

.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 28px;
}
.hstat__num {
  display: block;
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hstat__label {
  font-size: .8125rem;
  color: var(--text-3);
  font-weight: 500;
}
.hstat__sep {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ─── HERO VISUAL (code window) ──────────────────────────── */
.hero__visual {
  position: relative;
  z-index: 1;
}

.code-win {
  background: #0D0B1A;
  border: 1px solid rgba(99,102,241,.25);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-lg), 0 0 0 1px rgba(99,102,241,.1);
  position: relative;
}
.code-win__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.dot--r { background: #FF5F57; }
.dot--y { background: #FEBC2E; }
.dot--g { background: #28C840; }
.code-win__title {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: rgba(255,255,255,.35);
  margin-left: 8px;
}

.code-win__body {
  padding: 20px 22px;
  font-family: var(--font-mono);
  font-size: .825rem;
  line-height: 2;
}
.cl { display: block; }
.cl--i { padding-left: 24px; }
.cl--blank { min-height: 1.6em; }

/* syntax tokens */
.ck  { color: #C084FC; }
.cv  { color: #93C5FD; }
.co  { color: #94A3B8; }
.cf  { color: #67E8F9; }
.cp  { color: #CBD5E1; }
.cs  { color: #86EFAC; }
.ck2 { color: #93C5FD; }
.cc  { color: #FCA5A5; }
.comment { color: #475569; font-style: italic; }
.cursor-blink {
  color: var(--indigo-l);
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.code-win__metrics {
  padding: 16px 22px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.metric-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.metric-label { font-size: .72rem; color: rgba(255,255,255,.4); width: 90px; font-family: var(--font-mono); }
.metric-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,.1);
  border-radius: 99px;
  overflow: hidden;
}
.metric-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(.22,1,.36,1) .5s;
}
.visible .metric-fill { transform: scaleX(1); }
.metric-val { font-size: .72rem; color: var(--indigo-l); font-family: var(--font-mono); width: 32px; text-align: right; }

/* floating badges */
.float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--sh-md);
  white-space: nowrap;
}
.float-badge--tl {
  top: -18px;
  left: -18px;
  animation: floatBadge 4s ease-in-out infinite;
}
.float-badge--br {
  bottom: -18px;
  right: -18px;
  animation: floatBadge 4s ease-in-out infinite .8s;
}
@keyframes floatBadge {
  0%,100%{ transform: translateY(0); }
  50%    { transform: translateY(-6px); }
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.25);
  border-radius: 50%;
  color: var(--indigo);
  animation: scrollBounce 2s ease-in-out infinite;
  transition: background .2s;
}
.scroll-cue:hover { background: rgba(99,102,241,.18); }
@keyframes scrollBounce {
  0%,100%{ transform: translateX(-50%) translateY(0); }
  50%    { transform: translateX(-50%) translateY(6px); }
}

/* ─── SERVICES ───────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.svc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.svc-card:hover::before { transform: scaleX(1); }
.svc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-lg);
  border-color: rgba(99,102,241,.25);
}

.svc-card__icon {
  width: 52px; height: 52px;
  background: rgba(99,102,241,.08);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo);
  margin-bottom: 20px;
  transition: background .3s, color .3s;
}
.svc-card:hover .svc-card__icon {
  background: var(--gradient);
  color: #fff;
}

.svc-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.35;
}
.svc-card p {
  font-size: .9375rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 20px;
}

.link-more {
  font-size: .875rem;
  font-weight: 600;
  color: var(--indigo);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap .2s;
}
.link-more:hover { gap: 8px; }
.link-more span { transition: transform .2s; }
.link-more:hover span { transform: translateX(4px); }

/* ─── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-copy h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
}
.about-copy p {
  font-size: .9375rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 14px;
}

.values-list { margin-top: 32px; display: flex; flex-direction: column; gap: 24px; }
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.value-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gradient);
  flex-shrink: 0;
  margin-top: 6px;
}
.value-item strong { display: block; font-size: .9375rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.value-item p { font-size: .875rem; color: var(--text-2); margin: 0; }

/* about card */
.about-card-wrap { position: relative; }
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--sh-lg);
  position: relative;
  overflow: hidden;
}
.about-card__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient);
  opacity: .04;
  pointer-events: none;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.about-metric { text-align: center; }
.about-metric__num {
  display: block;
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.about-metric__label {
  font-size: .8125rem;
  color: var(--text-3);
  font-weight: 500;
}

.about-card__quote {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-2);
  line-height: 1.65;
  border-left: 3px solid;
  border-image: var(--gradient) 1;
  padding-left: 20px;
  margin-bottom: 28px;
}

.about-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-card__tags span {
  padding: 4px 12px;
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.15);
  color: var(--indigo);
  border-radius: 99px;
  font-size: .75rem;
  font-weight: 600;
}

/* ─── AI DRIVEN ──────────────────────────────────────────── */
.neural-canvas {
  position: absolute;
  inset: 0;
  opacity: .35;
  pointer-events: none;
}

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-copy h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
}
.ai-copy p { font-size: .9375rem; line-height: 1.75; margin-bottom: 36px; }

.ai-features { display: flex; flex-direction: column; gap: 22px; margin-bottom: 40px; }
.ai-feat {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.ai-feat__icon {
  font-size: 1.25rem;
  width: 44px; height: 44px;
  background: rgba(99,102,241,.15);
  border: 1px solid rgba(99,102,241,.25);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ai-feat strong {
  display: block;
  font-size: .9375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.ai-feat span {
  font-size: .875rem;
  color: rgba(241,245,249,.6);
  line-height: 1.55;
}

/* AI Terminal */
.ai-terminal {
  background: #080615;
  border: 1px solid rgba(99,102,241,.3);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(99,102,241,.08), var(--sh-glow);
}
.ai-terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: rgba(99,102,241,.08);
  border-bottom: 1px solid rgba(99,102,241,.15);
}
.ai-terminal__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: rgba(255,255,255,.4);
  margin-left: 8px;
}
.ai-terminal__body {
  padding: 22px;
  font-family: var(--font-mono);
  font-size: .8rem;
  line-height: 1.9;
}
.tl { display: block; }
.tb { min-height: 1.5em; }
.tp { color: var(--indigo-l); margin-right: 8px; user-select: none; }
.tc { color: #94D9A2; }
.ts { color: #86EFAC; }
.ti { color: rgba(148,163,184,.8); padding-left: 14px; }
.th { color: var(--indigo-l); font-weight: 600; }
.cursor-blink-t {
  color: var(--indigo-l);
  animation: blink 1.1s step-end infinite;
}

.ai-terminal__footer {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(99,102,241,.15);
}
.ts-stat {
  flex: 1;
  text-align: center;
  padding: 14px;
  border-right: 1px solid rgba(99,102,241,.12);
}
.ts-stat:last-child { border-right: none; }
.ts-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--indigo-l);
  margin-bottom: 2px;
}
.ts-key {
  font-size: .7rem;
  color: rgba(255,255,255,.35);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-family: var(--font-mono);
}

/* ─── PORTFOLIO ──────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-lg);
}

.case-card__top {
  background: var(--case-g, var(--gradient));
  height: 160px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 22px;
}
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  border-radius: 99px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  backdrop-filter: blur(4px);
}
.case-emoji { font-size: 2.25rem; }

.case-card__body { padding: 28px; }
.case-card__body h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.case-card__body p {
  font-size: .9rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 18px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.tech-tags span {
  padding: 3px 10px;
  background: rgba(99,102,241,.07);
  border: 1px solid rgba(99,102,241,.15);
  color: var(--indigo);
  border-radius: 6px;
  font-size: .75rem;
  font-weight: 600;
}

.case-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(99,102,241,.05);
  border: 1px solid rgba(99,102,241,.12);
  border-radius: var(--r-md);
}
.case-result strong {
  font-size: 1.125rem;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.case-result span {
  font-size: .8125rem;
  color: var(--text-2);
  font-weight: 500;
}

/* ─── CONTACT ────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-copy h2 {
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 16px;
}
.contact-copy > p {
  font-size: .9375rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 36px;
}

.contact-infos { display: flex; flex-direction: column; gap: 22px; }
.contact-info {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-info__icon {
  width: 44px; height: 44px;
  background: rgba(99,102,241,.08);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--indigo);
  flex-shrink: 0;
}
.contact-info strong { display: block; font-size: .875rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.contact-info span   { font-size: .875rem; color: var(--text-2); }

/* Contact form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--sh-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.form-group:last-of-type { margin-bottom: 24px; }

.form-group label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg);
  color: var(--text);
  font-size: .9375rem;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  -webkit-appearance: none;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.25);
  border-radius: var(--r-md);
  color: #065F46;
  font-weight: 600;
  font-size: .9375rem;
  margin-top: 16px;
}
.form-success:not([hidden]) { display: flex; }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  padding: 72px 0 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer__brand .nav__brand {
  color: #fff;
  margin-bottom: 16px;
}
.footer__brand .nav__brand-icon {
  background: rgba(99,102,241,.15);
}
.footer__brand > p {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  line-height: 1.6;
  margin-bottom: 4px;
}
.footer__cnpj { font-size: .8125rem !important; color: rgba(255,255,255,.3) !important; }

.footer__social {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social-link {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-sm);
  color: rgba(255,255,255,.6);
  transition: background .2s, color .2s, border-color .2s;
}
.social-link:hover {
  background: rgba(99,102,241,.2);
  border-color: rgba(99,102,241,.4);
  color: #fff;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer__col h4 {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a,
.footer__col span {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer__col a:hover { color: #fff; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  font-size: .8125rem;
  color: rgba(255,255,255,.3);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

/* 1280px */
@media (max-width: 1280px) {
  .hero__headline { font-size: 3rem; }
}

/* 1024px */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__container { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 520px; }
  .hero__headline { font-size: 2.75rem; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .ai-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer__top { grid-template-columns: 1fr; gap: 40px; }
}

/* 768px */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav__menu,
  .nav__actions {
    display: none;
  }
  .nav__menu.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(250,250,250,.97);
    backdrop-filter: blur(16px);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
  }
  .nav__menu.open .nav__link { display: block; padding: 12px 16px; width: 100%; }
  .nav__toggle { display: flex; }

  .section { padding: 72px 0; }

  .hero { padding-top: calc(var(--nav-h) + 40px); }
  .hero__headline { font-size: 2.25rem; }
  .hero__cta { flex-direction: column; align-items: flex-start; }
  .hero__stats { flex-wrap: wrap; gap: 20px; }
  .hstat__sep { display: none; }
  .hero__visual { display: none; }

  .services-grid { grid-template-columns: 1fr; }

  .about-metrics { grid-template-columns: 1fr; gap: 16px; }

  .portfolio-grid { grid-template-columns: 1fr; }

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

  .footer__nav { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* 480px */
@media (max-width: 480px) {
  .hero__headline { font-size: 1.875rem; }
  .section__head h2 { font-size: 1.75rem; }
  .footer__nav { grid-template-columns: 1fr; }
}

/* ─── FOCUS STYLES (a11y) ────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── SELECTION ──────────────────────────────────────────── */
::selection {
  background: rgba(99,102,241,.2);
  color: var(--text);
}