/* ============================================================================
   AIAgents — Premium AI Agency Landing Page
   Built on HeroUI tokens (Inter + Fira Code, blue/purple/cyan/pink accents,
   dark-first).
   ============================================================================ */

/* ---------- Fonts ---------- */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/Inter-Regular.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/Inter-Medium.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/Inter-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap; src: url("fonts/Inter-Bold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 800; font-display: swap; src: url("fonts/Inter-ExtraBold.woff2") format("woff2"); }
@font-face { font-family: "Fira Code"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/FiraCode-Regular.woff2") format("woff2"); }
@font-face { font-family: "Fira Code"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/FiraCode-Medium.woff2") format("woff2"); }

/* ---------- HeroUI tokens (dark-by-default subset) ---------- */
:root {
  /* Hue scales we actually use */
  --hero-blue-400:  #338ef7;
  --hero-blue-500:  #006FEE;
  --hero-blue-600:  #005bc4;
  --hero-purple-400: #9353d3;
  --hero-purple-500: #7828c8;
  --hero-cyan-500:  #7EE7FC;
  --hero-cyan-600:  #06B7DB;
  --hero-pink-500:  #ff4ecd;
  --hero-green-500: #17c964;
  --hero-yellow-500:#f5a524;
  --hero-zinc-50:   #fafafa;
  --hero-zinc-100:  #f4f4f5;
  --hero-zinc-200:  #e4e4e7;
  --hero-zinc-300:  #d4d4d8;
  --hero-zinc-400:  #a1a1aa;
  --hero-zinc-500:  #71717a;
  --hero-zinc-600:  #52525b;
  --hero-zinc-700:  #3f3f46;
  --hero-zinc-800:  #27272a;
  --hero-zinc-900:  #18181b;

  /* Semantic — dark */
  --background: #000000;
  --background-elevated: #0a0a0c;
  --foreground: #ECEDEE;
  --divider: rgba(255,255,255,0.10);
  --content1: var(--hero-zinc-900);
  --content2: var(--hero-zinc-800);
  --default-300: var(--hero-zinc-600);
  --default-400: var(--hero-zinc-500);
  --default-500: var(--hero-zinc-400);
  --default-600: var(--hero-zinc-300);
  --default-700: var(--hero-zinc-200);

  --primary: var(--hero-blue-500);
  --primary-foreground: #ffffff;
  --secondary: var(--hero-purple-400);
  --accent-cyan: var(--hero-cyan-600);
  --accent-pink: var(--hero-pink-500);

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-md: 0 0 15px 0 rgb(0 0 0 / .06), 0 2px 30px 0 rgb(0 0 0 / .22), inset 0 0 1px 0 rgb(255 255 255 / .15);
  --shadow-lg: 0 0 30px 0 rgb(0 0 0 / .07), 0 30px 60px 0 rgb(0 0 0 / .26), inset 0 0 1px 0 rgb(255 255 255 / .15);

  --hover-opacity: .9;
  --tracking-tight: -0.025em;
  --tracking-tighter: -0.035em;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Fira Code", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --ease-soft-spring: cubic-bezier(0.155, 1.105, 0.295, 1.12);

  --grad-violet:    linear-gradient(135deg, #FF1CF7, #b249f8);
  --grad-blue:      linear-gradient(135deg, #5EA2EF, #0072F5);
  --grad-cyan:      linear-gradient(135deg, #00b7fa, #01cfea);
  --grad-pink:      linear-gradient(135deg, #FF72E1, #F54C7A);
  --grad-green:     linear-gradient(135deg, #6FEE8D, #17c964);

  --container-max: 1280px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  text-rendering: optimizeLegibility;
}
body { overflow-x: hidden; }

img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }
a { color: inherit; }

::selection { background: color-mix(in oklab, var(--primary) 50%, transparent); color: #fff; }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

/* ---------- Button primitives ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 500; white-space: nowrap; user-select: none;
  cursor: pointer; border: 0; appearance: none; outline: 0;
  text-decoration: none;
  transition: transform 180ms var(--ease-soft-spring), background 200ms, color 200ms, opacity 200ms, box-shadow 200ms;
  padding: 0 20px; height: 44px; font-size: 14.5px;
  border-radius: var(--radius-full);
  position: relative;
}
.btn:hover { opacity: var(--hover-opacity); }
.btn:active { transform: scale(0.97); }
.btn--lg { height: 52px; padding: 0 28px; font-size: 16px; }
.btn--sm { height: 36px; padding: 0 14px; font-size: 13px; }
.btn--primary {
  background: var(--primary); color: var(--primary-foreground);
  box-shadow: 0 8px 24px -10px color-mix(in oklab, var(--primary) 60%, transparent);
}
.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--foreground);
  border: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,0.10); opacity: 1; }
.btn--whatsapp {
  background: #25D366; color: #06281a;
  box-shadow: 0 8px 24px -10px rgba(37,211,102,0.7);
}
.btn--outline-white {
  background: transparent; color: var(--foreground);
  border: 1px solid rgba(255,255,255,0.18);
}
.btn--outline-white:hover { background: rgba(255,255,255,0.06); opacity: 1; }

.btn .arrow { transition: transform 200ms; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Chips / pills ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--primary) 14%, transparent);
  color: #6EB1FF;
  border: 1px solid color-mix(in oklab, var(--primary) 28%, transparent);
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 9999px;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}
.chip--purple {
  background: color-mix(in oklab, var(--secondary) 14%, transparent);
  color: #C9A9E9;
  border-color: color-mix(in oklab, var(--secondary) 28%, transparent);
}
.chip--purple .dot { background: var(--secondary); box-shadow: 0 0 8px var(--secondary); }
.chip--cyan {
  background: color-mix(in oklab, var(--accent-cyan) 14%, transparent);
  color: var(--hero-cyan-500);
  border-color: color-mix(in oklab, var(--accent-cyan) 28%, transparent);
}
.chip--cyan .dot { background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }

/* ---------- Gradient text ---------- */
.gtext { background-clip: text; -webkit-background-clip: text; color: transparent; }
.gtext--violet { background-image: var(--grad-violet); }
.gtext--blue   { background-image: var(--grad-blue); }
.gtext--cyan   { background-image: var(--grad-cyan); }
.gtext--pink   { background-image: var(--grad-pink); }
.gtext--green  { background-image: var(--grad-green); }
.gtext--fade   { background-image: linear-gradient(180deg,#ffffff 30%, #888); }

/* ---------- Section heading ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--default-500);
  margin: 0 0 16px;
}
.eyebrow::before {
  content: "//";
  color: var(--primary);
  margin-right: 8px;
}
.section-title {
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  margin: 0 0 18px;
}
.section-sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--default-500);
  max-width: 640px;
  margin: 0;
}
.section-head { margin-bottom: 56px; max-width: 760px; }
.section-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head--center .section-sub { margin-left: auto; margin-right: auto; }

section { padding: 120px 0; position: relative; }

/* ============================================================================
   NAVBAR
   ============================================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center;
  height: 68px; padding: 0 24px;
  background: color-mix(in oklab, #000 65%, transparent);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms, background 200ms;
}
.nav.is-scrolled { border-color: var(--divider); background: color-mix(in oklab, #000 80%, transparent); }
.nav__inner {
  width: 100%; max-width: var(--container-max); margin: 0 auto;
  display: flex; align-items: center; gap: 28px;
}
.nav__brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--foreground);
  font-weight: 600; font-size: 16px; letter-spacing: -0.01em;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: grid; place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.04em;
  box-shadow: 0 8px 20px -8px var(--primary);
  position: relative;
  overflow: hidden;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.45), transparent 55%);
}
.nav__links { display: flex; gap: 4px; }
.nav__links a {
  text-decoration: none; color: var(--default-500);
  font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: color 150ms, background 150ms;
}
.nav__links a:hover { color: var(--foreground); background: rgba(255,255,255,0.04); }
.nav__spacer { flex: 1; }
.nav__cta { display: flex; align-items: center; gap: 10px; }

/* Language switcher */
.lang-switch {
  display: inline-flex; align-items: center; gap: 0;
  height: 32px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--default-500);
  transition: border-color 150ms, background 150ms;
  margin-right: 6px;
}
.lang-switch:hover { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); }
.lang-switch__item {
  display: inline-flex; align-items: center; justify-content: center;
  height: 24px; min-width: 28px;
  border-radius: var(--radius-full);
  padding: 0 8px;
}
.lang-switch__item.is-active {
  background: var(--foreground);
  color: var(--background);
}
.nav__burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px; background: transparent; border: 1px solid rgba(255,255,255,0.1);
  color: var(--foreground); cursor: pointer;
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero {
  position: relative;
  padding-top: 160px;
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: -120px -120px 30% -120px;
  background: url("assets/gradient-looper-pattern.svg") center top / 130% no-repeat;
  pointer-events: none; opacity: .45;
  mask-image: linear-gradient(to bottom, black 20%, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, black 20%, transparent 85%);
}
.hero__glow {
  position: absolute; pointer-events: none;
  filter: blur(80px); opacity: .35;
  border-radius: 50%;
}
.hero__glow--blue {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 60%);
  left: -200px; top: 10%;
}
.hero__glow--purple {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 60%);
  right: -150px; top: 30%;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center top, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center top, black 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px;
  align-items: center;
  width: 100%;
}
.hero__copy { max-width: 640px; }
.hero__title {
  margin: 22px 0 22px;
  font-size: clamp(40px, 5.6vw, 76px);
  font-weight: 600;
  line-height: 1.03;
  letter-spacing: var(--tracking-tighter);
}
.hero__title .line { display: block; }
.hero__sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--default-500);
  max-width: 540px;
  margin: 0 0 36px;
}
.hero__ctas {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero__trust {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  font-size: 13px; color: var(--default-500);
}
.hero__trust__stat strong {
  display: block; color: var(--foreground);
  font-size: 22px; font-weight: 600;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 2px;
}
.hero__trust__sep {
  width: 1px; height: 28px;
  background: var(--divider);
}

/* ---- Hero visual: chat preview ---- */
.hero__visual {
  position: relative;
  height: 580px;
}
.chat-card {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,20,24,0.85), rgba(10,10,12,0.85));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  box-shadow:
    0 50px 100px -30px rgba(0,0,0,0.8),
    0 30px 60px -20px color-mix(in oklab, var(--primary) 25%, transparent),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: float-card 6s ease-in-out infinite;
}
@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.chat__head {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.chat__avatar {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: grid; place-items: center;
  color: #fff; font-weight: 700; font-size: 13px;
  position: relative;
}
.chat__avatar::after {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.35), transparent 55%);
}
.chat__title { font-weight: 600; font-size: 14.5px; }
.chat__status { font-size: 12px; color: var(--hero-green-500); display: flex; align-items: center; gap: 6px; }
.chat__status::before {
  content: ""; width: 6px; height: 6px;
  border-radius: 50%; background: var(--hero-green-500);
  box-shadow: 0 0 8px var(--hero-green-500);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.chat__menu { margin-left: auto; color: var(--default-500); display: flex; gap: 4px; }
.chat__menu span { width: 4px; height: 4px; background: currentColor; border-radius: 50%; }

.chat__body {
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 14px;
  flex: 1; overflow: hidden;
}
.msg {
  max-width: 80%;
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 14.5px; line-height: 1.45;
}
.msg--user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg--bot {
  align-self: flex-start;
  background: rgba(255,255,255,0.06);
  color: var(--foreground);
  border: 1px solid rgba(255,255,255,0.06);
  border-bottom-left-radius: 4px;
}
.msg--bot .msg__meta {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--default-500);
  margin-bottom: 4px;
  font-family: var(--font-mono);
}
.msg--bot .msg__meta::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-cyan);
}
.msg__cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  margin-top: 10px;
}
.msg__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
}
.msg__card strong { display: block; font-size: 14px; color: var(--foreground); margin-bottom: 2px; }
.msg__card span { color: var(--default-500); }

.typing {
  align-self: flex-start;
  display: flex; align-items: center; gap: 4px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}
.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--default-500);
  animation: typing 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing {
  0%, 60%, 100% { opacity: .3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

.chat__foot {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; gap: 10px; align-items: center;
}
.chat__input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 14px;
  border-radius: var(--radius-full);
  color: var(--default-500); font-size: 13.5px;
}
.chat__send {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--primary); display: grid; place-items: center;
  color: #fff;
}

/* Floating side chips */
.float-chip {
  position: absolute;
  background: linear-gradient(180deg, rgba(20,20,24,0.95), rgba(10,10,12,0.95));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  z-index: 3;
}
.float-chip__icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
}
.float-chip--metric {
  top: 24px; left: -64px;
  animation: float-card 7s ease-in-out infinite reverse;
}
.float-chip--metric .float-chip__icon { background: var(--grad-green); color: #053b14; }
.float-chip--metric strong { display: block; font-size: 16px; font-weight: 600; }
.float-chip--metric span { color: var(--default-500); font-size: 11px; }

.float-chip--channels {
  bottom: 48px; left: -36px;
  animation: float-card 8s ease-in-out infinite;
}
.float-chip--channels .float-chip__icon { background: var(--grad-violet); }
.float-chip--channels strong { display: block; font-size: 13px; font-weight: 600; }
.float-chip--channels span { color: var(--default-500); font-size: 11px; }

.float-chip--lead {
  top: 200px; right: -32px;
  animation: float-card 9s ease-in-out infinite reverse;
}
.float-chip--lead .float-chip__icon { background: var(--grad-pink); color: #fff; }

/* Logo bar under hero */
.hero__logos {
  margin-top: 80px;
  text-align: center;
}
.hero__logos__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--default-500);
  margin: 0 0 22px;
}
.hero__logos__row {
  display: flex; justify-content: center; align-items: center; gap: 56px;
  flex-wrap: wrap;
  opacity: 0.6;
}
.hero__logos__row span {
  font-weight: 600; font-size: 17px;
  color: var(--default-600); letter-spacing: -0.01em;
}

/* ============================================================================
   SERVICES
   ============================================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 16px;
  transition: transform 250ms var(--ease-soft-spring), border-color 200ms, background 200ms;
  position: relative;
  overflow: hidden;
  min-height: 220px;
}
.service-card::before {
  content: ""; position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,0%), color-mix(in oklab, var(--accent) 18%, transparent) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 250ms;
  pointer-events: none;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.12); }
.service-card:hover::before { opacity: 1; }
.service-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  color: #fff;
  position: relative;
  flex-shrink: 0;
}
.service-card__icon::after {
  content: ""; position: absolute; inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.4), transparent 55%);
}
.service-card h3 {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.service-card p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--default-500);
  margin: 0;
  flex: 1;
}
.service-card__more {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 500;
  color: var(--default-600);
  margin-top: auto;
}
.service-card[data-accent="blue"]   { --accent: var(--primary); }
.service-card[data-accent="purple"] { --accent: var(--secondary); }
.service-card[data-accent="cyan"]   { --accent: var(--accent-cyan); }
.service-card[data-accent="pink"]   { --accent: var(--accent-pink); }
.service-card[data-accent="green"]  { --accent: var(--hero-green-500); }
.service-card[data-accent="yellow"] { --accent: var(--hero-yellow-500); }

.service-card[data-accent="blue"]   .service-card__icon { background: var(--grad-blue); }
.service-card[data-accent="purple"] .service-card__icon { background: var(--grad-violet); }
.service-card[data-accent="cyan"]   .service-card__icon { background: var(--grad-cyan); color: #052f3b; }
.service-card[data-accent="pink"]   .service-card__icon { background: var(--grad-pink); }
.service-card[data-accent="green"]  .service-card__icon { background: var(--grad-green); color: #053b14; }
.service-card[data-accent="yellow"] .service-card__icon { background: linear-gradient(135deg, #FF705B, #FFB457); color: #3b1605; }

/* ============================================================================
   HOW IT WORKS
   ============================================================================ */
.process {
  background: linear-gradient(180deg, transparent, rgba(0,111,238,0.04), transparent);
}
.process__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative;
}
.process__line {
  position: absolute; top: 60px; left: 12%; right: 12%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--divider) 20%, var(--divider) 80%, transparent);
  z-index: 0;
}
.step {
  position: relative; z-index: 1;
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(20,20,24,0.9), rgba(10,10,12,0.7));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
}
.step__num {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 18px; font-weight: 600;
  background: var(--background);
  border: 1px solid var(--divider);
  color: var(--foreground);
  margin-bottom: 24px;
  position: relative;
}
.step__num::before {
  content: ""; position: absolute; inset: -1px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  z-index: -1;
  filter: blur(2px); opacity: 0.5;
}
.step h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.step p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--default-500);
  margin: 0 0 20px;
}
.step__bullets {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.step__bullets li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13.5px;
  color: var(--default-600);
}
.step__bullets li::before {
  content: ""; flex-shrink: 0;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  margin-top: 7px;
}
.step__time {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--default-500);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.step__time strong { color: var(--foreground); font-weight: 500; }

/* ============================================================================
   USE CASES
   ============================================================================ */
.usecases__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.usecase {
  position: relative;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 12px;
  min-height: 200px;
  transition: transform 250ms, border-color 200ms;
  cursor: pointer;
  overflow: hidden;
}
.usecase::after {
  content: ""; position: absolute;
  width: 220px; height: 220px;
  right: -80px; bottom: -100px;
  border-radius: 50%;
  background: var(--accent, var(--primary));
  filter: blur(80px);
  opacity: 0.18;
  transition: opacity 250ms;
  pointer-events: none;
}
.usecase:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.12); }
.usecase:hover::after { opacity: 0.32; }
.usecase__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: grid; place-items: center;
  color: var(--accent, var(--primary));
}
.usecase h3 {
  font-size: 17px; font-weight: 600; margin: 0;
  letter-spacing: -0.01em;
}
.usecase p {
  font-size: 13.5px; line-height: 1.5;
  color: var(--default-500); margin: 0;
}
.usecase__metric {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent, var(--primary));
  letter-spacing: 0.04em;
}
.usecase--wide { grid-column: span 2; }
.usecase[data-accent="blue"]   { --accent: var(--hero-blue-400); }
.usecase[data-accent="purple"] { --accent: var(--secondary); }
.usecase[data-accent="cyan"]   { --accent: var(--accent-cyan); }
.usecase[data-accent="pink"]   { --accent: var(--accent-pink); }
.usecase[data-accent="green"]  { --accent: var(--hero-green-500); }
.usecase[data-accent="yellow"] { --accent: var(--hero-yellow-500); }
.usecase[data-accent="red"]    { --accent: #f54180; }

/* ============================================================================
   CASE STUDIES
   ============================================================================ */
.cases__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}
.case {
  position: relative;
  padding: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 320px;
}
.case--featured {
  grid-row: span 2;
  background:
    radial-gradient(circle at 80% 20%, color-mix(in oklab, var(--primary) 22%, transparent), transparent 55%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
}
.case__industry {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--default-500);
}
.case h3 {
  font-size: 24px; font-weight: 600; line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 90%;
}
.case--featured h3 { font-size: 34px; max-width: 100%; }
.case p {
  font-size: 14.5px; line-height: 1.55;
  color: var(--default-500); margin: 0;
}
.case__metrics {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
}
.case__metric strong {
  display: block;
  font-size: 30px;
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  background-clip: text; -webkit-background-clip: text; color: transparent;
  background-image: var(--grad-blue);
  margin-bottom: 4px;
}
.case--featured .case__metric strong { font-size: 38px; }
.case__metric span {
  font-size: 12px; color: var(--default-500);
  line-height: 1.4;
  display: block;
}
.case[data-accent="purple"] .case__metric strong { background-image: var(--grad-violet); }
.case[data-accent="pink"] .case__metric strong { background-image: var(--grad-pink); }
.case[data-accent="green"] .case__metric strong { background-image: var(--grad-green); }
.case[data-accent="cyan"] .case__metric strong { background-image: var(--grad-cyan); }

.case__tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-full);
  font-size: 11.5px;
  width: max-content;
  color: var(--default-500);
}

/* ============================================================================
   TESTIMONIALS
   ============================================================================ */
.testimonials__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.testimonial {
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 20px;
}
.testimonial__stars {
  display: flex; gap: 2px; color: var(--hero-yellow-500);
}
.testimonial__quote {
  font-size: 15.5px; line-height: 1.6;
  color: var(--foreground);
  margin: 0;
  flex: 1;
}
.testimonial__author {
  display: flex; align-items: center; gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}
.testimonial__avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 600; color: #fff;
  font-size: 14px;
  flex-shrink: 0;
}
.testimonial__name { font-size: 14px; font-weight: 600; line-height: 1.3; }
.testimonial__role { font-size: 12.5px; color: var(--default-500); line-height: 1.3; }

/* ============================================================================
   FAQ
   ============================================================================ */
.faq {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px;
  align-items: start;
}
.faq__list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--divider);
}
.faq__item {
  border-bottom: 1px solid var(--divider);
}
.faq__q {
  width: 100%; text-align: left;
  background: transparent; border: 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  font-size: 16.5px;
  font-weight: 500;
  color: var(--foreground);
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -0.005em;
}
.faq__q__icon {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: background 200ms, transform 200ms;
}
.faq__item[data-open="true"] .faq__q__icon {
  background: var(--primary);
  border-color: var(--primary);
  transform: rotate(45deg);
}
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms cubic-bezier(0.4, 0, 0.2, 1);
}
.faq__a__inner {
  padding: 0 0 24px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--default-500);
  max-width: 90%;
}
.faq__item[data-open="true"] .faq__a { max-height: 400px; }

/* ============================================================================
   FINAL CTA
   ============================================================================ */
.final-cta {
  padding: 80px 0 140px;
}
.final-cta__inner {
  position: relative;
  padding: 80px 64px;
  border-radius: 32px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, color-mix(in oklab, var(--secondary) 30%, transparent), transparent 60%),
    radial-gradient(circle at 80% 80%, color-mix(in oklab, var(--primary) 30%, transparent), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}
.final-cta__inner::after {
  content: ""; position: absolute; inset: 0;
  background: url("assets/gradient-looper-pattern.svg") center / cover no-repeat;
  opacity: 0.18;
  mask-image: linear-gradient(to bottom, transparent, black 40%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 40%, transparent);
  pointer-events: none;
}
.final-cta__title {
  position: relative; z-index: 1;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 600;
  letter-spacing: var(--tracking-tighter);
  line-height: 1.05;
  margin: 0 auto 20px;
  max-width: 840px;
}
.final-cta__sub {
  position: relative; z-index: 1;
  font-size: 18.5px;
  color: var(--default-500);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.55;
}
.final-cta__ctas {
  position: relative; z-index: 1;
  display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
}

/* ============================================================================
   CONTACT
   ============================================================================ */
.contact {
  background: linear-gradient(180deg, rgba(120,40,200,0.03), transparent);
}
.contact__grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px;
  align-items: start;
}
.contact__channels {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 32px;
}
.channel {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  text-decoration: none; color: inherit;
  transition: border-color 200ms, transform 150ms;
}
.channel:hover { border-color: rgba(255,255,255,0.15); transform: translateX(2px); }
.channel__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: grid; place-items: center;
  color: #fff;
  flex-shrink: 0;
  position: relative;
}
.channel__icon::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.35), transparent 55%);
}
.channel__icon--wa { background: linear-gradient(135deg, #25D366, #128C7E); }
.channel__icon--tg { background: linear-gradient(135deg, #2AABEE, #229ED9); }
.channel__icon--cal { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.channel__icon--mail { background: linear-gradient(135deg, #FF705B, #FFB457); }
.channel__body { flex: 1; min-width: 0; }
.channel__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--default-500);
  margin-bottom: 2px;
}
.channel__value {
  font-size: 15px; font-weight: 500;
  color: var(--foreground);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.channel__arrow {
  color: var(--default-500);
  flex-shrink: 0;
}

/* Form */
.form-card {
  padding: 36px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.form-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.form-card p {
  font-size: 14px;
  color: var(--default-500);
  margin: 0 0 24px;
}
.field {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 16px;
}
.field label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--default-600);
  letter-spacing: 0.01em;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 14.5px;
  color: var(--foreground);
  font-family: inherit;
  transition: border-color 150ms, background 150ms;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--default-400); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(0,0,0,0.6);
}
.field textarea { resize: vertical; min-height: 100px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field--row > div { display: flex; flex-direction: column; gap: 8px; }
.field-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.field-tag {
  padding: 7px 13px;
  font-size: 12.5px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--default-600);
  cursor: pointer;
  transition: all 150ms;
  user-select: none;
}
.field-tag.is-active {
  background: color-mix(in oklab, var(--primary) 18%, transparent);
  border-color: var(--primary);
  color: #6EB1FF;
}
.form-card .btn { width: 100%; margin-top: 8px; }
.form__hint {
  display: flex; align-items: center; gap: 8px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--default-500);
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.footer {
  border-top: 1px solid var(--divider);
  padding: 80px 24px 32px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.4));
}
.footer__inner { max-width: var(--container-max); margin: 0 auto; }
.footer__cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer__brand { max-width: 320px; }
.footer__brand p {
  font-size: 13.5px; line-height: 1.6;
  color: var(--default-500);
  margin: 16px 0 24px;
}
.footer__socials { display: flex; gap: 8px; }
.footer__socials a {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  display: grid; place-items: center;
  color: var(--default-500);
  text-decoration: none;
  transition: color 150ms, background 150ms;
}
.footer__socials a:hover { color: var(--foreground); background: rgba(255,255,255,0.08); }
.footer__col h4 {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--default-500);
  margin: 0 0 16px;
  font-family: var(--font-mono);
}
.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--default-600);
  text-decoration: none;
  padding: 5px 0;
  transition: color 150ms;
}
.footer__col a:hover { color: var(--foreground); }
.footer__legal {
  padding-top: 28px;
  border-top: 1px solid var(--divider);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--default-500);
  font-size: 12.5px;
}
.footer__legal__links { display: flex; gap: 24px; }
.footer__legal__links a { color: var(--default-500); text-decoration: none; }
.footer__legal__links a:hover { color: var(--foreground); }

/* ============================================================================
   Mobile nav
   ============================================================================ */
.mobile-menu {
  position: fixed;
  inset: 68px 0 0 0;
  background: rgba(0,0,0,0.96);
  backdrop-filter: blur(20px);
  z-index: 90;
  padding: 32px 24px;
  transform: translateX(100%);
  transition: transform 280ms var(--ease-soft-spring);
  display: flex; flex-direction: column;
  gap: 4px;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu a {
  text-decoration: none;
  color: var(--foreground);
  font-size: 22px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--divider);
}
.mobile-menu .btn { margin-top: 24px; align-self: flex-start; }

/* ============================================================================
   Responsive
   ============================================================================ */
@media (max-width: 1100px) {
  .hero__inner { grid-template-columns: 1fr; gap: 80px; }
  .hero__visual { height: 480px; max-width: 480px; margin: 0 auto; width: 100%; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .usecases__grid { grid-template-columns: repeat(2, 1fr); }
  .cases__grid { grid-template-columns: 1fr 1fr; }
  .case--featured { grid-row: auto; grid-column: span 2; }
  .testimonials__grid { grid-template-columns: 1fr 1fr; }
  .faq { grid-template-columns: 1fr; gap: 32px; }
  .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .footer__cols { grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: span 3; max-width: none; margin-bottom: 16px; }
  .process__line { display: none; }
  .process__grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 720px) {
  section { padding: 80px 0; }
  .nav__links { display: none; }
  .nav__cta .btn:not(.btn--primary) { display: none; }
  .nav__burger { display: grid; place-items: center; }
  .hero { padding-top: 130px; padding-bottom: 60px; }
  .hero__title { font-size: clamp(36px, 9vw, 52px); }
  .hero__sub { font-size: 16.5px; }
  .hero__visual { height: 440px; }
  .float-chip--metric { left: -12px; top: 12px; padding: 10px 12px; }
  .float-chip--channels { left: -8px; bottom: 24px; }
  .float-chip--lead { right: -8px; top: 180px; }
  .hero__logos__row { gap: 28px; }
  .services__grid { grid-template-columns: 1fr; }
  .usecases__grid { grid-template-columns: 1fr; }
  .usecase--wide { grid-column: auto; }
  .cases__grid { grid-template-columns: 1fr; }
  .case--featured { grid-column: auto; }
  .case__metrics { grid-template-columns: 1fr 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .final-cta__inner { padding: 56px 24px; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
  .section-title { font-size: clamp(30px, 7.5vw, 42px); }
  .hero__trust__sep { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}