/* ==========================================================================
   Synthos — Premium Studio Website (light theme)
   Stylesheet: css/style.css
   Design system: warm paper + electric cobalt + amber accent
   ========================================================================== */

/* ---------- Variables ---------- */
:root {
  --paper: #f7f7f4;
  --paper-2: #f1f1ec;
  --surface: #ffffff;
  --ink: #0c0f16;
  --ink-2: #20263a;
  --muted: #5c6472;
  --muted-2: #8a92a3;
  --line: #e7e7e0;
  --line-2: #deded5;

  --primary: #3753ff;
  --primary-deep: #2e3fe0;
  --primary-soft: #eaf0ff;
  --primary-glow: rgba(55, 83, 255, 0.35);
  --violet: #7a5cf5;
  --amber: #f4b63a;
  --amber-soft: #fdf3dc;

  --success: #16a34a;
  --success-soft: #e8f7ee;
  --danger: #dc2626;
  --danger-soft: #fdecec;

  --gradient: linear-gradient(132deg, #3753ff 0%, #6a4df0 58%, #8b5cf6 118%);
  --gradient-soft: linear-gradient(132deg, #eaf0ff 0%, #f3efff 100%);

  --shadow-xs: 0 1px 2px rgba(12, 15, 22, 0.05);
  --shadow-sm: 0 2px 6px rgba(12, 15, 22, 0.05), 0 10px 24px -14px rgba(12, 15, 22, 0.12);
  --shadow-md: 0 16px 40px -20px rgba(12, 15, 22, 0.18);
  --shadow-lg: 0 30px 70px -28px rgba(12, 15, 22, 0.28);
  --shadow-brand: 0 14px 34px -12px rgba(55, 83, 255, 0.55);

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-full: 999px;

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
}

/* ---------- 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-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

img, svg { max-width: 100%; display: block; }

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease;
}
a:hover { color: var(--primary-deep); }

ul { list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

::selection { background: var(--primary); color: #fff; }

section[id] { scroll-margin-top: 92px; }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 116px 0; }

.section-head { max-width: 680px; margin-bottom: 60px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
}
.section-head.center .eyebrow::after {
  content: "";
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient);
}

.section-title {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 1.06rem;
  color: var(--muted);
}

.accent-italic {
  font-style: italic;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.star-mark {
  display: inline-block;
  color: var(--amber);
  line-height: 1;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1;
  padding: 16px 30px;
  border-radius: var(--r-full);
  border: 1.5px solid transparent;
  transition: transform 0.3s cubic-bezier(0.2,0.7,0.2,1), box-shadow 0.3s ease,
    background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
}

.btn svg, .btn .btn-arrow { flex-shrink: 0; transition: transform 0.3s ease; }
.btn:hover svg, .btn:hover .btn-arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s ease;
}
.btn-primary:hover {
  transform: translateY(-3px);
  color: #fff;
  box-shadow: 0 20px 44px -14px rgba(55, 83, 255, 0.65);
}
.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-3px);
}

.btn-white {
  background: #fff;
  color: var(--primary-deep);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover { transform: translateY(-3px); color: var(--primary-deep); }

.btn-sm { padding: 11px 22px; font-size: 0.9rem; }
.btn-block { width: 100%; }

/* ---------- Scroll progress ---------- */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  z-index: 1100;
  width: 0;
  background: var(--gradient);
  border-radius: 0 3px 3px 0;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  padding: 8px 0;
  box-shadow: 0 10px 30px -18px rgba(12,15,22,0.18);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}
.logo:hover { color: var(--ink); }

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--gradient);
  box-shadow: var(--shadow-brand);
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), box-shadow 0.3s ease;
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.05); }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.logo-dot { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a:not(.btn) {
  position: relative;
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--ink-2);
  padding: 9px 18px;
  border-radius: var(--r-full);
  transition: color 0.25s ease, background-color 0.25s ease;
}
.nav-links a:not(.btn):hover { color: var(--primary); background: var(--primary-soft); }
.nav-links a:not(.btn).active { color: var(--primary); font-weight: 600; background: var(--primary-soft); }

.nav-cta { margin-left: 14px; }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  align-items: center;
  justify-content: center;
  transition: background-color 0.25s ease, border-color 0.25s ease;
}
.nav-toggle:hover { background: var(--primary-soft); border-color: var(--primary); }

/* Mobile overlay menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1050;
  visibility: hidden;
  pointer-events: none;
}
.mobile-menu .mm-panel {
  position: absolute;
  inset: 0;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  padding: 96px 32px 44px;
  transform: translateY(-3%);
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.mobile-menu.open {
  visibility: visible;
  pointer-events: auto;
}
.mobile-menu.open .mm-panel {
  transform: translateY(0);
  opacity: 1;
}
.mobile-menu .mm-panel nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu .mm-panel a.mm-link {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 9vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease, color 0.25s ease, padding-left 0.3s ease;
}
.mobile-menu.open .mm-panel a.mm-link { opacity: 1; transform: translateY(0); }
.mobile-menu.open .mm-panel a.mm-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open .mm-panel a.mm-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.open .mm-panel a.mm-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.open .mm-panel a.mm-link:nth-child(4) { transition-delay: 0.2s; }
.mobile-menu .mm-panel a.mm-link:hover,
.mobile-menu .mm-panel a.mm-link.active { color: var(--primary); padding-left: 12px; }
.mobile-menu .mm-cta {
  margin-top: 32px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease 0.25s, transform 0.5s ease 0.25s;
}
.mobile-menu.open .mm-cta { opacity: 1; transform: translateY(0); }
.mobile-menu .mm-foot {
  margin-top: auto;
  padding-top: 28px;
  font-size: 0.92rem;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.5s ease 0.35s;
}
.mobile-menu.open .mm-foot { opacity: 1; }
.mobile-menu .mm-foot strong { color: var(--ink); }
.mobile-menu .mm-close {
  position: absolute;
  top: 18px;
  right: 26px;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  display: grid;
  place-items: center;
  transition: background-color 0.25s ease, border-color 0.25s ease, transform 0.3s ease;
}
.mobile-menu .mm-close:hover { background: var(--primary-soft); border-color: var(--primary); transform: rotate(90deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 96px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(90rem 50rem at 120% -20%, rgba(55, 83, 255, 0.12), transparent 55%),
    radial-gradient(70rem 40rem at -20% 30%, rgba(122, 92, 245, 0.1), transparent 55%),
    var(--paper);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12,15,22,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,15,22,0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(70rem 44rem at 70% 20%, #000 20%, transparent 75%);
  mask-image: radial-gradient(70rem 44rem at 70% 20%, #000 20%, transparent 75%);
  pointer-events: none;
}

.hero-grid-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  border-radius: var(--r-full);
  padding: 9px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 28px;
}
.hero-badge .pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.5);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74,0.45); }
  70% { box-shadow: 0 0 0 9px rgba(22,163,74,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74,0); }
}
.hero-badge strong { color: var(--ink); font-weight: 600; }

.hero-title {
  font-size: clamp(2.6rem, 5.6vw, 4.55rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.02;
  color: var(--ink);
  margin-bottom: 28px;
}

.hero-lead {
  font-size: 1.13rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 38px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  padding: 8px 16px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-2);
  box-shadow: var(--shadow-xs);
}
.chip svg { color: var(--primary); }

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 480px;
}
.hero-stage {
  position: relative;
  height: 460px;
  transform-style: preserve-3d;
  will-change: transform;
}

.orbit-ring {
  position: absolute;
  inset: 4% 6%;
  border-radius: var(--r-xl);
  background: conic-gradient(from 90deg, rgba(55,83,255,0.16), rgba(122,92,245,0.4), rgba(244,182,58,0.16), rgba(55,83,255,0.16));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.6px), #000 calc(100% - 1.6px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.6px), #000 calc(100% - 1.6px));
  animation: spin 26s linear infinite;
  opacity: 0.85;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-glow {
  position: absolute;
  top: 24%;
  left: 26%;
  width: 46%;
  height: 46%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow), transparent 65%);
  filter: blur(10px);
  opacity: 0.5;
}

.dev-window {
  position: absolute;
  top: 52px;
  left: 6%;
  right: 12%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}
.dev-window:hover { transform: rotate(-2deg) translateY(-4px); }

.win-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.win-dot { width: 11px; height: 11px; border-radius: 50%; }
.win-dot:nth-child(1) { background: #f87171; }
.win-dot:nth-child(2) { background: #fbbf24; }
.win-dot:nth-child(3) { background: #34d399; }
.win-url {
  margin-left: 12px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted-2);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-family: var(--font-display);
}

.win-body { padding: 22px; font-size: 0.84rem; line-height: 2; }
.win-line {
  display: flex;
  gap: 12px;
  font-family: "JetBrains Mono", "Consolas", monospace;
  color: var(--muted);
  opacity: 0;
  animation: lineIn 0.5s ease forwards;
}
.win-line:nth-child(1) { animation-delay: 0.25s; }
.win-line:nth-child(2) { animation-delay: 0.4s; }
.win-line:nth-child(3) { animation-delay: 0.55s; }
.win-line:nth-child(4) { animation-delay: 0.7s; }
.win-line:nth-child(5) { animation-delay: 0.85s; }
.win-num { color: var(--muted-2); min-width: 18px; text-align: right; user-select: none; }
.win-line .t-k { color: #7a5cf5; }
.win-line .t-f { color: #3753ff; }
.win-line .t-s { color: #0f9d6e; }
.win-line .t-c { color: #f59e0b; }
.win-line .t-m { color: #a1a1aa; }
@keyframes lineIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.type-line {
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  white-space: nowrap;
  overflow: hidden;
  min-height: 2.2em;
}
.type-prompt { color: var(--primary); font-weight: 600; margin-right: 8px; }
.caret {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--primary);
  margin-left: 3px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 13px;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  padding: 15px 20px;
  z-index: 2;
}
.float-chip .fc-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  flex-shrink: 0;
}
.float-chip .fc-title { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.float-chip .fc-sub { font-size: 0.8rem; color: var(--muted); }

.fc-1 { top: 4px; right: -6px; animation: floaty 6s ease-in-out infinite; }
.fc-2 { bottom: 30px; left: -10px; animation: floaty 7s ease-in-out 0.8s infinite; }
.fc-3 { bottom: -16px; right: 8%; animation: floaty 6.5s ease-in-out 0.4s infinite; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- Marquee ---------- */
.marquee {
  background: var(--gradient);
  color: #fff;
  overflow: hidden;
  padding: 16px 0;
  border-block: 1px solid rgba(255,255,255,0.14);
  position: relative;
  z-index: 5;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-group {
  display: flex;
  align-items: center;
  gap: 44px;
  padding-right: 44px;
}
.marquee-group span {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 44px;
}
.marquee-group span::after {
  content: "✦";
  color: var(--amber);
  font-size: 0.85rem;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Service cards ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 40px 36px 34px;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.svc-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 100%;
  background: radial-gradient(120% 60% at 50% 0%, var(--primary-soft), transparent 60%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}
.svc-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(55, 83, 255, 0.35);
}
.svc-card:hover::before { opacity: 1; }

.svc-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}
.svc-num {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted-2);
}
.svc-arrow {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
.svc-card:hover .svc-arrow {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.svc-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 17px;
  background: var(--gradient-soft);
  color: var(--primary-deep);
  margin-bottom: 22px;
  position: relative;
}
.svc-card h3 { font-size: 1.34rem; margin-bottom: 10px; position: relative; }
.svc-card p { font-size: 0.96rem; color: var(--muted); position: relative; flex: 1; }

.svc-start {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--primary);
  position: relative;
}
.svc-start svg { transition: transform 0.3s ease; }
.svc-card:hover .svc-start svg { transform: translateX(5px); }

/* ---------- About preview ---------- */
.about-preview { background: var(--surface); border-block: 1px solid var(--line); }
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-copy .section-title { margin-bottom: 22px; }
.about-copy p { margin-bottom: 16px; }
.about-copy p b { color: var(--ink); font-weight: 600; }

.about-billboard {
  position: relative;
  background: var(--ink);
  color: #fff;
  border-radius: var(--r-xl);
  padding: 44px 40px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 340px;
}
.about-billboard .bb-glow {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60%;
  height: 70%;
  background: radial-gradient(circle, var(--primary-glow), transparent 65%);
  filter: blur(18px);
}
.about-billboard .bb-star {
  position: absolute;
  color: var(--amber);
  opacity: 0.9;
}
.about-billboard .bb-title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.about-billboard .bb-title em { color: var(--amber); font-style: italic; }
.bb-list { position: relative; display: grid; gap: 12px; }
.bb-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  color: rgba(255,255,255,0.85);
}
.bb-list li svg { color: var(--amber); flex-shrink: 0; }

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-sm); border-color: rgba(55,83,255,0.3); }
.step-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step p { font-size: 0.92rem; color: var(--muted); }

/* ---------- Team ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}
.team-card {
  position: relative;
  display: flex;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), box-shadow 0.4s ease, border-color 0.4s ease;
  overflow: hidden;
}
.team-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s ease;
}
.team-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-md); }
.team-card:hover::before { transform: scaleX(1); }

.team-ava {
  position: relative;
  flex-shrink: 0;
  width: 86px;
  height: 86px;
  border-radius: 24px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 600;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-brand);
}
.team-ava::after {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 30px;
  border: 1.5px dashed rgba(55,83,255,0.4);
  animation: spin 22s linear infinite;
}
.team-info h3 { font-size: 1.3rem; margin-bottom: 4px; }
.team-role {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}
.team-desc { font-size: 0.93rem; color: var(--muted); margin-bottom: 16px; }
.team-links { display: flex; flex-wrap: wrap; gap: 10px; }
.team-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  padding: 9px 15px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.team-btn svg { width: 14px; height: 14px; }
.team-btn:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.team-btn.wa { color: #15803d; background: var(--success-soft); border-color: #c6ecd2; }
.team-btn.wa:hover { background: var(--success); border-color: var(--success); color: #fff; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  background: var(--ink);
  border-radius: var(--r-xl);
  padding: 72px 60px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(46rem 26rem at 104% 0%, rgba(55,83,255,0.42), transparent 60%),
    radial-gradient(36rem 22rem at -10% 110%, rgba(244,182,58,0.16), transparent 60%);
}
.cta-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(40rem 24rem at 50% 120%, #000, transparent 80%);
  mask-image: radial-gradient(40rem 24rem at 50% 120%, #000, transparent 80%);
  pointer-events: none;
}
.cta-band .c-content { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; margin-bottom: 12px; }
.cta-band h2 em { color: var(--amber); font-style: italic; }
.cta-band p { color: rgba(255,255,255,0.75); max-width: 520px; }
.cta-band .c-actions { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 14px; align-items: stretch; }
.cta-band .c-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}
.cta-band .c-phone:hover { color: #fff; }
.cta-band .c-phone svg { color: var(--amber); }

/* ---------- Page header (inner pages) ---------- */
.page-header {
  position: relative;
  padding: 120px 0 76px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(60rem 34rem at 50% -20%, rgba(55,83,255,0.14), transparent 60%),
    var(--paper);
}
.page-header .ph-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12,15,22,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,15,22,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(46rem 30rem at 50% -10%, #000 20%, transparent 78%);
  mask-image: radial-gradient(46rem 30rem at 50% -10%, #000 20%, transparent 78%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
  font-size: clamp(2.4rem, 5.4vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}
.page-header p { max-width: 640px; margin: 0 auto; color: var(--muted); font-size: 1.08rem; }

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  padding: 9px 20px;
  margin-bottom: 26px;
  box-shadow: var(--shadow-xs);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--muted-2); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* ---------- About page: split ---------- */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.split-section.flip .split-visual { order: 2; }
.split-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 22px; }
.split-copy p { margin-bottom: 15px; }
.split-copy p b { color: var(--ink); font-weight: 600; }
.split-copy ul { margin: 20px 0 30px; }
.split-copy ul li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  color: var(--ink-2);
  font-weight: 500;
  margin-bottom: 13px;
}
.split-copy ul li svg { color: var(--primary); margin-top: 5px; flex-shrink: 0; }

.split-visual { display: grid; place-items: center; }

.spec-panel {
  width: 100%;
  max-width: 470px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.spec-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 26px 30px;
  background: var(--ink);
  color: #fff;
}
.spec-head .sp-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient);
  flex-shrink: 0;
  box-shadow: var(--shadow-brand);
}
.spec-head h3 { color: #fff; font-size: 1.08rem; }
.spec-head p { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.spec-body { padding: 16px 30px 24px; }
.feat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.feat-row:last-child { border-bottom: 0; }
.feat-row .fr-label { font-size: 0.92rem; font-weight: 500; color: var(--ink-2); }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--success);
  background: var(--success-soft);
  border: 1px solid #c6ecd2;
  padding: 6px 12px;
  border-radius: var(--r-full);
  white-space: nowrap;
}
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--success); }

/* ---------- What we do / why ---------- */
.what-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.what-grid .svc-card { padding: 30px 26px; }
.what-grid .svc-card .svc-icon { width: 52px; height: 52px; border-radius: 15px; margin-bottom: 18px; }
.what-grid .svc-card h3 { font-size: 1.12rem; }
.what-grid .svc-card p { font-size: 0.9rem; }

.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.why-card {
  display: flex;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 30px;
  box-shadow: var(--shadow-xs);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-sm); border-color: rgba(55,83,255,0.3); }
.why-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--gradient-soft);
  color: var(--primary-deep);
  flex-shrink: 0;
}
.why-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.why-card p { font-size: 0.93rem; color: var(--muted); }

/* ---------- Services page ---------- */
.svc-feature {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}
.svc-feature + .svc-feature {
  margin-top: 84px;
  padding-top: 84px;
  border-top: 1px solid var(--line);
}
.svc-feature.flip .svc-visual { order: 2; }

.svc-visual { display: grid; place-items: center; }
.svc-box {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 48px 34px;
  box-shadow: var(--shadow-xs);
  text-align: center;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.7,0.2,1), box-shadow 0.4s ease;
}
.svc-box::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--gradient);
}
.svc-box:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.svc-box .sv-big-icon {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin: 0 auto 26px;
  border-radius: 26px;
  background: var(--gradient-soft);
  color: var(--primary-deep);
  position: relative;
}
.svc-box .sv-big-icon::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1.5px dashed rgba(55,83,255,0.35);
  border-radius: 32px;
  animation: spin 26s linear infinite;
}
.sv-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}
.svc-box h3 { font-size: 1.4rem; }

.svc-feature h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); margin-bottom: 16px; }
.svc-feature .lead { color: var(--ink-2); margin-bottom: 24px; }
.svc-feature .lead b { color: var(--ink); }

.includes { margin-bottom: 28px; }
.includes li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  color: var(--ink-2);
  font-size: 0.96rem;
  margin-bottom: 12px;
}
.includes li svg { color: var(--primary); margin-top: 5px; flex-shrink: 0; }

.svc-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 22px;
  margin-bottom: 30px;
}
.svc-meta .m-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.92rem;
}
.svc-meta .m-row span:first-child { color: var(--muted); }
.svc-meta .m-row strong { color: var(--ink); font-weight: 600; }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.info-card {
  display: flex;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--shadow-xs);
  margin-bottom: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); border-color: rgba(55,83,255,0.3); }
.info-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--gradient-soft);
  color: var(--primary-deep);
  flex-shrink: 0;
}
.info-card h3 { font-size: 1.08rem; margin-bottom: 3px; }
.info-card .info-sub { font-size: 0.84rem; color: var(--muted-2); margin-bottom: 12px; }
.info-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.link-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  padding: 10px 17px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.link-phone svg { width: 15px; height: 15px; color: var(--primary); }
.link-phone:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.link-wa {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #15803d;
  background: var(--success-soft);
  border: 1px solid #c6ecd2;
  border-radius: var(--r-full);
  padding: 10px 17px;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, color 0.25s ease;
}
.link-wa svg { width: 15px; height: 15px; }
.link-wa:hover { background: var(--success); border-color: var(--success); color: #fff; transform: translateY(-2px); }

.contact-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.contact-label-sub { color: var(--muted); margin-bottom: 28px; }

/* ---------- Form ---------- */
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
  padding: 42px;
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: var(--gradient);
}
.form-heading { font-family: var(--font-display); font-size: 1.55rem; color: var(--ink); margin-bottom: 6px; letter-spacing: -0.02em; }
.form-sub { color: var(--muted); font-size: 0.95rem; margin-bottom: 30px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.form-group label .req { color: var(--danger); }

.form-control {
  width: 100%;
  padding: 14px 17px;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.form-control::placeholder { color: var(--muted-2); }
.form-control:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(55, 83, 255, 0.13);
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235c6472' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 17px center;
  padding-right: 46px;
  cursor: pointer;
}
textarea.form-control { min-height: 136px; resize: vertical; }

.form-control.error { border-color: var(--danger); background: var(--danger-soft); }
.form-control.error:focus { box-shadow: 0 0 0 4px rgba(220,38,38,0.12); }
.field-error { font-size: 0.82rem; font-weight: 500; color: var(--danger); min-height: 1em; }

.form-note {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--amber-soft);
  border: 1px dashed #e5c984;
  border-radius: var(--r-sm);
  padding: 13px 16px;
  margin: 24px 0;
}
.form-note svg { color: #b7791f; flex-shrink: 0; }

.form-alert {
  display: none;
  align-items: flex-start;
  gap: 13px;
  border-radius: var(--r-md);
  padding: 18px 20px;
  margin-top: 22px;
  font-size: 0.95rem;
}
.form-alert.show { display: flex; animation: popIn 0.35s ease; }
@keyframes popIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.alert-success { background: var(--success-soft); border: 1px solid #c6ecd2; color: #166534; }
.alert-error { background: var(--danger-soft); border: 1px solid #f3c6c6; color: #991b1b; }
.form-alert svg { flex-shrink: 0; margin-top: 2px; }
.form-alert h4 { font-size: 0.98rem; margin-bottom: 2px; }
.form-alert p { font-size: 0.88rem; color: inherit; opacity: 0.9; }

.info-hint {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.86rem;
  color: var(--muted);
  background: var(--amber-soft);
  border: 1px dashed #e5c984;
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.info-hint svg { color: #b7791f; flex-shrink: 0; margin-top: 2px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink);
  color: var(--muted-2);
  padding-top: 90px;
  overflow: hidden;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 56px;
  padding-bottom: 60px;
  position: relative;
  z-index: 1;
}
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 0.94rem; max-width: 320px; line-height: 1.75; }
.footer-loc {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  font-size: 0.86rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-full);
  padding: 9px 16px;
}
.footer-loc svg { color: var(--amber); }

.footer h4 {
  color: #f8fafc;
  font-size: 0.98rem;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.footer-links li { margin-bottom: 13px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted-2);
  font-size: 0.93rem;
  transition: color 0.25s ease, transform 0.25s ease;
}
.footer-links a svg { color: var(--primary); transition: transform 0.25s ease; }
.footer-links a:hover { color: #fff; transform: translateX(4px); }
.footer-links a:hover svg { transform: translateX(2px); }

.footer-contact li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 15px;
  font-size: 0.93rem;
}
.footer-contact svg { color: var(--primary); margin-top: 3px; flex-shrink: 0; }
.footer-contact a { color: var(--muted-2); }
.footer-contact a:hover { color: #fff; }

.footer-watermark {
  position: relative;
  z-index: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.05em;
  font-size: clamp(4rem, 17vw, 15rem);
  line-height: 0.8;
  text-align: center;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.07);
  user-select: none;
  margin: -10px 0 -16px;
  pointer-events: none;
  white-space: nowrap;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}
.footer-bottom .fb-tel {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted-2);
}
.footer-bottom .fb-tel:hover { color: #fff; }
.footer-bottom .fb-tel svg { color: var(--primary); }
.footer-bottom strong { color: var(--amber); font-weight: 600; }

/* ---------- Floating WhatsApp & back-to-top ---------- */
.float-wa {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 22px;
  border-radius: var(--r-full);
  box-shadow: 0 14px 30px -8px rgba(37,211,102,0.55);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.float-wa:hover { transform: translateY(-4px); color: #fff; box-shadow: 0 18px 38px -8px rgba(37,211,102,0.65); }
.float-wa .wa-label { display: none; }
.float-wa.show-label .wa-label { display: inline; }

.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-brand);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }

/* ---------- Reveal ---------- */
html.js.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.75s cubic-bezier(0.2,0.7,0.2,1), transform 0.75s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal { opacity: 1; transform: none; }
html.js.reveal-ready .reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .win-line { opacity: 1; }
  html.js.reveal-ready .reveal { opacity: 1; transform: none; }
  .marquee-track { animation: none; }
  .orbit-ring { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid-inner { grid-template-columns: 1fr; gap: 72px; }
  .hero-visual { max-width: 620px; margin: 0 auto; }
  .what-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 52px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-split { grid-template-columns: 1fr; gap: 56px; }
  .split-section { grid-template-columns: 1fr; gap: 56px; }
  .split-section.flip .split-visual { order: 0; }
  .svc-feature { grid-template-columns: 1fr; gap: 48px; }
  .svc-feature + .svc-feature { margin-top: 64px; padding-top: 64px; }
}

@media (max-width: 900px) {
  .section { padding: 84px 0; }
  .section-head { margin-bottom: 44px; }

  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta { display: none; }

  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .what-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 60px 34px; }
  .cta-band .c-actions { align-items: center; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }

  .hero { padding: 84px 0 72px; }
  .hero-title { font-size: clamp(2.2rem, 9.5vw, 3rem); }
  .hero-lead { font-size: 1.03rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-chips { justify-content: center; }

  .hero-stage { height: 360px; }
  .dev-window { left: 2%; right: 6%; top: 40px; }
  .fc-1 { right: 0; }
  .fc-2 { left: 0; bottom: 44px; }
  .fc-3 { bottom: -6px; right: 4%; }
  .float-chip { padding: 12px 15px; }
  .float-chip .fc-icon { width: 38px; height: 38px; border-radius: 11px; }

  .svc-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .team-card { flex-direction: column; align-items: flex-start; }
  .process-grid { grid-template-columns: 1fr; }
  .what-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { justify-content: center; text-align: center; }

  .form-card { padding: 32px 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }

  .svc-box { padding: 40px 24px; }
  .svc-feature + .svc-feature { margin-top: 52px; padding-top: 52px; }

  .about-billboard { padding: 36px 26px; min-height: 0; }
  .page-header { padding: 104px 0 56px; }

  .spec-panel { max-width: none; }
  .spec-head { padding: 22px 24px; }
  .spec-body { padding: 12px 24px 20px; }
  .feat-row { flex-wrap: wrap; gap: 8px 14px; }
  .svc-meta { padding: 16px 18px; }
  .svc-meta .m-row { flex-direction: column; align-items: flex-start; gap: 4px; font-size: 0.9rem; }
  .includes li { font-size: 0.92rem; }
  .info-card { padding: 22px; }
  .hero-badge { font-size: 0.8rem; padding: 8px 14px; }

  .marquee-group { gap: 30px; padding-right: 30px; }
  .marquee-group span { gap: 30px; font-size: 0.98rem; }

  .float-wa { left: 16px; bottom: 16px; }
  .back-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }

  .cta-band { padding: 52px 26px; }
  .cta-band .c-actions .btn { width: 100%; }
}