:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --bg-raised: #ffffff;
  --text: #14151a;
  --text-muted: #5b5f6b;
  --text-faint: #8a8e99;
  --border: #e5e7eb;
  --border-strong: #d7d9e0;
  --accent: #0d78d6;
  --accent-hover: #085ba8;
  --accent-rgb: 13, 120, 214;
  --accent-deep: #0a3d91;
  --accent-deep-rgb: 10, 61, 145;
  --card-bg: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 45px -15px rgba(20,21,26,0.16);
  --shadow-xl: 0 30px 70px -20px rgba(20,21,26,0.22);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.6s;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0b0f;
    --bg-alt: #101117;
    --bg-raised: #14151c;
    --text: #f2f3f5;
    --text-muted: #9a9ea8;
    --text-faint: #6b6f7a;
    --border: #23242c;
    --border-strong: #2e2f39;
    --accent: #4fc3f7;
    --accent-hover: #81d4fa;
    --accent-rgb: 79, 195, 247;
    --accent-deep: #1a56b8;
    --accent-deep-rgb: 26, 86, 184;
    --card-bg: #131319;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 45px -15px rgba(0,0,0,0.5);
    --shadow-xl: 0 30px 70px -20px rgba(0,0,0,0.6);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }

::selection { background: rgba(var(--accent-rgb), 0.25); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Motion system ---------- */

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes blur-in {
  from { opacity: 0; filter: blur(8px); transform: translateY(10px); }
  to   { opacity: 1; filter: blur(0); transform: translateY(0); }
}

@keyframes float-slow {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-14px) translateX(6px); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.85; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), filter var(--dur) var(--ease);
  transition-delay: var(--delay, 0ms);
  will-change: transform, opacity;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.96) translateY(16px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--delay, 0ms);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-scale { opacity: 1 !important; transform: none !important; filter: none !important; }
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

/* Blur/tint lives on a pseudo-element, not the header itself: backdrop-filter on a
   real ancestor becomes the containing block for position:fixed descendants (the
   mobile nav overlay), which traps it inside the 72px header box instead of the viewport. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 4px 14px -4px rgba(var(--accent-rgb), 0.55);
}

.logo span { color: var(--text-muted); font-weight: 600; }

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav a:not(.btn) {
  font-size: 0.93rem;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.nav a:not(.btn):hover { color: var(--text); }
.nav a:not(.btn):hover::after,
.nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav a.is-active { color: var(--text); }

.btn-nav { display: inline-flex; }

.nav .nav-cta-mobile {
  display: none;
  color: #ffffff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 210;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 60%, var(--accent-deep)));
  color: #ffffff;
  box-shadow: 0 8px 20px -8px rgba(var(--accent-rgb), 0.55);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -10px rgba(var(--accent-rgb), 0.65); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: color-mix(in srgb, var(--card-bg) 60%, transparent);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

.btn svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.btn:hover svg.icon-arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 148px 0 120px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 780px;
  z-index: -2;
  pointer-events: none;
  background-image:
    radial-gradient(620px 420px at 18% 18%, rgba(var(--accent-rgb), 0.16), transparent 60%),
    radial-gradient(520px 380px at 85% 8%, rgba(var(--accent-deep-rgb), 0.12), transparent 60%),
    linear-gradient(180deg, transparent, var(--bg) 92%);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--text) 6%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 55% at 50% 20%, black 40%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 60% 55% at 50% 20%, black 40%, transparent 78%);
  opacity: 0.7;
}

.hero-orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.5;
  animation: float-slow 9s ease-in-out infinite;
}

.hero-orb-1 {
  width: 10px; height: 10px;
  top: 22%; left: 12%;
  background: var(--accent);
  box-shadow: 0 0 24px 4px rgba(var(--accent-rgb), 0.6);
}

.hero-orb-2 {
  width: 6px; height: 6px;
  top: 32%; right: 16%;
  background: var(--accent-deep);
  box-shadow: 0 0 20px 4px rgba(var(--accent-deep-rgb), 0.55);
  animation-delay: 1.4s;
  animation-duration: 11s;
}

.hero-orb-3 {
  width: 8px; height: 8px;
  bottom: 18%; left: 22%;
  background: var(--accent);
  box-shadow: 0 0 18px 3px rgba(var(--accent-rgb), 0.5);
  animation-delay: 2.6s;
  animation-duration: 10s;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 22px;
  padding: 7px 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: glow-pulse 2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 3.8rem);
  letter-spacing: -0.035em;
  max-width: 820px;
  margin: 0 auto 22px;
}

.hero h1 .text-gradient {
  background: linear-gradient(120deg, var(--accent), var(--accent-deep) 60%, var(--accent));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  max-width: 580px;
  margin: 0 auto 38px;
  color: var(--text-muted);
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-trust {
  color: var(--text-faint);
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-trust::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px color-mix(in srgb, #22c55e 25%, transparent);
}

/* ---------- Section shell ---------- */

section { position: relative; }

.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
}

.section-sub {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 1.02rem;
}

/* ---------- About ---------- */

.about { padding: 96px 0; }

.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text .section-tag { display: block; }
.about-text h2 { text-align: left; margin-bottom: 22px; font-size: clamp(1.7rem, 3vw, 2.2rem); }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.about-highlight {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  font-size: 0.86rem;
  color: var(--text-muted);
  font-weight: 600;
}

.about-highlight svg { width: 15px; height: 15px; color: var(--accent); flex-shrink: 0; }

.about-card {
  background: linear-gradient(165deg, var(--card-bg), color-mix(in srgb, var(--card-bg) 85%, var(--accent) 6%));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  top: -40%; right: -30%;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.18), transparent 70%);
  pointer-events: none;
}

.about-card h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 700;
}

.about-card-rows { display: flex; flex-direction: column; gap: 16px; }

.about-card-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--border);
  font-size: 0.92rem;
}

.about-card-row:last-child { border-bottom: none; padding-bottom: 0; }
.about-card-row span:first-child { color: var(--text-muted); flex-shrink: 0; }
.about-card-row span:last-child { font-weight: 700; text-align: right; }

/* ---------- Stack ---------- */

.stack { padding: 96px 0; background: var(--bg-alt); }

.stack-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.stack-group {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s ease;
}

.stack-group:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.stack-group-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.stack-group-label svg { width: 17px; height: 17px; }

.stack-badges { display: flex; flex-wrap: wrap; gap: 8px; }

.stack-badge {
  padding: 7px 13px;
  border-radius: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  transition: transform 0.2s var(--ease), border-color 0.2s ease, background 0.2s ease;
}

.stack-group .stack-badge:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-alt));
}

/* ---------- Services ---------- */

.services { padding: 96px 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s ease;
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.card-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(var(--accent-rgb), 0.16), rgba(var(--accent-deep-rgb), 0.1));
  color: var(--accent);
  margin-bottom: 18px;
  transition: transform 0.35s var(--ease);
}

.card:hover .card-icon { transform: scale(1.08) rotate(-4deg); }

.card-icon svg { width: 22px; height: 22px; }

.card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---------- Solutions (Vitrine / NutriHub) ---------- */

.solutions { padding: 100px 0; background: var(--bg-alt); overflow: hidden; }

.solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 44px 0;
}

.solution + .solution { border-top: 1px solid var(--border); margin-top: 20px; padding-top: 64px; }

.solution-reverse .solution-copy { order: 2; }
.solution-reverse .solution-preview { order: 1; }

.solution-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.status-live { color: #16a34a; background: rgba(34, 197, 94, 0.12); }
.status-beta { color: #d97706; background: rgba(217, 119, 6, 0.12); }

.status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.solution-copy h3 {
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  margin-bottom: 6px;
}

.solution-tagline {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.98rem;
  margin-bottom: 16px;
}

.solution-copy > p.solution-desc {
  color: var(--text-muted);
  margin-bottom: 22px;
  font-size: 1.02rem;
}

.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 26px;
}

.solution-features li {
  display: flex;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text);
}

.solution-features svg {
  width: 18px; height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.solution-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.solution-tech span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 5px 11px;
  border-radius: 999px;
}

/* Browser / app mockups */

.solution-preview { perspective: 1200px; }

.mockup {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transition: transform 0.5s var(--ease);
}

.solution-preview:hover .mockup { transform: rotateX(1deg) rotateY(-1deg) translateY(-4px); }

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.mockup-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }

.mockup-url {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.mockup-body { padding: 22px; min-height: 260px; }

/* Vitrine chat mockup */

.chat-bubble {
  max-width: 82%;
  padding: 12px 15px;
  border-radius: 14px;
  font-size: 0.86rem;
  margin-bottom: 10px;
  line-height: 1.45;
}

.chat-bubble.from-user {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-bubble.from-agent {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-bubble strong { display: block; margin-bottom: 4px; }

.chat-pills { display: flex; gap: 6px; margin-top: 10px; }

.chat-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.chat-pill.is-primary { background: var(--accent); color: #fff; border-color: transparent; }

/* NutriHub dashboard mockup */

.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.dash-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.dash-card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
  font-weight: 700;
  margin-bottom: 8px;
}

.dash-bar { height: 7px; border-radius: 4px; background: var(--border); overflow: hidden; margin-bottom: 6px; }
.dash-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-deep)); border-radius: 4px; }

.dash-stat { font-size: 1.3rem; font-weight: 800; }
.dash-stat-note { font-size: 0.72rem; color: var(--text-faint); }

/* ---------- Process ---------- */

.process { padding: 96px 0; }

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 10px;
  counter-reset: step;
}

.step { position: relative; padding-left: 4px; }

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--accent-deep)));
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
  box-shadow: 0 8px 18px -8px rgba(var(--accent-rgb), 0.55);
}

.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 0.92rem; }

.steps .step:not(:last-child) { position: relative; }

/* ---------- FAQ ---------- */

.faq { padding: 96px 0; background: var(--bg-alt); }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 22px;
  transition: border-color 0.25s ease;
}

.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  padding: 18px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: transform 0.3s var(--ease), background 0.3s ease;
  font-size: 0.9rem;
  line-height: 1;
}

.faq-item[open] .faq-icon { transform: rotate(45deg); background: color-mix(in srgb, var(--accent) 12%, transparent); }

.faq-item p {
  color: var(--text-muted);
  font-size: 0.94rem;
  padding-bottom: 20px;
}

/* ---------- Contact ---------- */

.contact { padding: 108px 0 130px; background: var(--bg-alt); text-align: center; position: relative; overflow: hidden; }

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(560px 320px at 50% 0%, rgba(var(--accent-rgb), 0.14), transparent 70%);
  pointer-events: none;
}

.contact-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
  position: relative;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 44px 0 30px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.site-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-tagline {
  font-weight: 600;
  color: var(--text) !important;
  font-size: 0.95rem !important;
  margin-bottom: 10px;
}

.footer-legal {
  margin-bottom: 12px;
  font-size: 0.8rem !important;
  line-height: 1.5;
}

.footer-links {
  margin-bottom: 16px;
  font-size: 0.85rem !important;
}

.footer-links a { transition: color 0.2s ease; }
.footer-links a:hover { color: var(--accent); }

/* ---------- Legal pages ---------- */

.btn-back svg { width: 15px; height: 15px; }

.legal { padding: 70px 0 100px; }

.legal-inner { max-width: 720px; }

.legal h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.legal-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.legal h2 {
  font-size: 1.15rem;
  margin: 36px 0 12px;
}

.legal p {
  color: var(--text-muted);
  margin-bottom: 4px;
}

.legal p a {
  color: var(--accent);
  text-decoration: underline;
}

/* ---------- Mobile nav overlay ---------- */

@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; gap: 44px; }
  .solution, .solution-reverse { grid-template-columns: 1fr; gap: 36px; }
  .solution-reverse .solution-copy,
  .solution-reverse .solution-preview { order: 0; }
}

@media (max-width: 760px) {
  .container { padding: 0 20px; }

  .nav, .btn-nav { display: none; }
  .nav-toggle { display: flex; }

  .nav.open {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: fixed;
    inset: 0;
    background: color-mix(in srgb, var(--bg) 97%, transparent);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 26px;
    z-index: 200;
    animation: blur-in 0.35s var(--ease);
  }

  .nav.open a:not(.btn) { font-size: 1.15rem; }

  .nav.open .nav-cta-mobile {
    display: inline-flex;
    margin-top: 6px;
  }

  .hero { padding: 108px 0 76px; }
  .hero-bg { height: 620px; }
  .section-head { margin-bottom: 40px; }
  .about, .stack, .services, .solutions, .process, .faq { padding: 72px 0; }
  .contact { padding: 84px 0 96px; }
  .solution + .solution { padding-top: 44px; }
}