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

:root {
  /* Shadcn-style Slate palette */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-950: #0f172a;

  --purple: #9333EA;
  --purple-light: #a855f7;
  --purple-dark: #7e22ce;
  --purple-faint: rgba(147, 51, 234, 0.07);
  --purple-glow: rgba(147, 51, 234, 0.2);
  --bg: #ffffff;
  --bg2: var(--slate-50);
  --bg3: var(--slate-100);
  --surface: rgba(148, 163, 184, 0.08);
  --surface-hover: rgba(148, 163, 184, 0.12);
  --border: var(--slate-200);
  --border-purple: rgba(147, 51, 234, 0.3);
  --text: var(--slate-950);
  --text-muted: var(--slate-500);
  --text-dim: var(--slate-400);
  --white: #ffffff;

  --container: 1120px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 10px 40px -10px rgba(15, 23, 42, 0.12);
  --shadow-purple: 0 18px 70px rgba(147, 51, 234, 0.18);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* SUBTLE DOT PATTERN */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image: radial-gradient(circle, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  opacity: 0.6;
}

body > * { position: relative; z-index: 1; }

a { color: inherit; }

.container {
  width: min(var(--container), calc(100% - 3rem));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Focus - Shadcn ring */
:where(a, button, input, textarea, select, summary):focus-visible {
  outline: 2px solid var(--slate-950);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.72);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand img { width: 34px; height: 34px; border-radius: 10px; }
.brand-name {
  font-weight: 800;
  letter-spacing: -0.02em;
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav a {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: background 180ms var(--ease-out), color 180ms var(--ease-out);
}
.nav a:hover { background: var(--slate-100); color: var(--text); }

/* ─── HERO ─── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 80px clamp(1.5rem, 5vw, 4rem) 80px;
  overflow: hidden;
  text-align: center;
}

/* BG orb effects */
.orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}
.orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(147,51,234,0.12) 0%, transparent 70%);
  top: -150px; left: 50%; transform: translateX(-50%);
  animation: float1 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(168,85,247,0.1) 0%, transparent 70%);
  bottom: 0; right: -100px;
  animation: float2 10s ease-in-out infinite;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(147,51,234,0.08) 0%, transparent 70%);
  bottom: 100px; left: -50px;
  animation: float2 12s ease-in-out infinite reverse;
}

@keyframes float1 {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-30px); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* grid lines bg */
.hero-grid {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-content { position: relative; z-index: 2; max-width: 780px; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: 100px;
  padding: 6px 14px; font-size: 0.75rem;
  color: var(--text-muted); font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  margin-bottom: 2rem;
  animation: fadeUp 0.8s ease both;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--slate-400);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.hero-logo {
  display: flex; align-items: center; justify-content: center; gap: 18px;
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s ease both;
}
.hero-logo img { height: 64px; width: 64px; border-radius: 16px; }

h1 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: var(--text);
  animation: fadeUp 0.8s 0.05s ease both;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.01em;
  margin-bottom: 1.75rem;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-muted); max-width: 560px;
  margin: 0 auto 2.5rem;
  font-weight: 400; line-height: 1.8;
  animation: fadeUp 0.8s 0.15s ease both;
}

.hero-actions {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
  animation: fadeUp 0.8s 0.2s ease both;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.9rem 1.3rem;
  background: var(--purple);
  color: #fff; font-weight: 600; font-size: 0.95rem;
  border-radius: 12px; text-decoration: none;
  box-shadow: var(--shadow-purple);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), background 220ms var(--ease-out);
  border: none; cursor: pointer;
}
.btn-primary:hover {
  background: var(--purple-dark);
  box-shadow: 0 22px 80px rgba(147,51,234,0.26);
  transform: translateY(-2px) scale(1.01);
}

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.9rem 1.3rem;
  background: var(--white);
  color: var(--text); font-weight: 600; font-size: 0.95rem;
  border-radius: 12px; text-decoration: none;
  border: 1px solid rgba(0,0,0,0.10);
  box-shadow: var(--shadow-sm);
  transition: transform 220ms var(--ease-out), background 220ms var(--ease-out), border-color 220ms var(--ease-out);
  cursor: pointer;
}
.btn-secondary:hover {
  border-color: var(--border-purple);
  background: var(--bg2);
  transform: translateY(-2px);
}

/* Scroll indicator */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-dim); font-size: 0.75rem; letter-spacing: 0.1em;
  text-transform: uppercase; animation: fadeUp 1s 0.5s ease both;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--purple), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── STATS BAR ─── */
.stats-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;

  /* peek into viewport on first load */
  width: min(var(--container), calc(100% - 3rem));
  margin: -68px auto 0;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 3;
}

.stat-item { text-align: center; }
.stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-label { font-size: 0.8125rem; color: var(--text-muted); margin-top: 0.5rem; font-weight: 500; }

/* ─── SECTIONS ─── */
section { padding: clamp(4rem, 8vw, 8rem) clamp(1.5rem, 5vw, 4rem); position: relative; }

.section-tag {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: var(--text);
}
.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
}
.section-header { margin-bottom: 4rem; }
.centered { text-align: center; }
.centered .section-desc { margin: 0 auto; }

/* ─── PROBLEM SECTION ─── */
.problem { background: var(--bg); }

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
  max-width: 1100px;
  margin: 0 auto;
}

.problem-cards { display: flex; flex-direction: column; gap: 1rem; }

.problem-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md); padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease-out), border-color 240ms var(--ease-out), background 240ms var(--ease-out);
}
.problem-card:hover {
  border-color: var(--border-purple);
  background: var(--surface);
  transform: translateX(6px);
}

.problem-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--slate-600);
}
.problem-icon svg { width: 20px; height: 20px; }
.problem-card h4 { font-weight: 600; font-size: 0.9375rem; margin-bottom: 0.3rem; color: var(--text); }
.problem-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

.problem-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.problem-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(15, 23, 42, 0.02), transparent 60%);
  pointer-events: none;
}

/* Área para imagem: mesma altura que a coluna de cards à esquerda */
.problem-visual-placeholder {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 200px;
  background: var(--slate-100);
  border: 2px dashed var(--slate-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.problem-visual-placeholder .problem-visual-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* ─── HOW IT WORKS ─── */
.how { background: var(--bg2); }

.pipeline {
  max-width: 900px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 0;
}

.pipeline-step {
  display: grid; grid-template-columns: 60px 1fr;
  gap: 1.5rem; position: relative;
}

.pipeline-step:not(:last-child)::after {
  content: '';
  position: absolute; left: 19px; top: 52px;
  width: 2px; height: calc(100% - 20px);
  background: linear-gradient(to bottom, var(--slate-300), var(--slate-200));
}

.step-num-wrap {
  display: flex; flex-direction: column; align-items: center; padding-top: 4px;
}
.step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--slate-950); color: #fff;
  font-weight: 700; font-size: 0.9375rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; z-index: 1; position: relative;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.2);
}

.step-body {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg); padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
  transition: transform 240ms var(--ease-out), border-color 240ms var(--ease-out), box-shadow 240ms var(--ease-out);
  box-shadow: var(--shadow-sm);
}
.step-body:hover { border-color: var(--border-purple); box-shadow: 0 22px 70px rgba(147,51,234,0.10); transform: translateY(-2px); }

.step-tag {
  display: inline-block;
  background: rgba(147,51,234,0.08); border: 1px solid rgba(147,51,234,0.15);
  border-radius: 100px; padding: 3px 10px;
  font-size: 0.7rem; color: var(--purple); font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.step-body h3 {
  font-weight: 600; font-size: 1.0625rem;
  margin-bottom: 0.5rem; color: var(--text);
}
.step-body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

.step-techs {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 1rem;
}
.tech-chip {
  font-size: 0.72rem; background: var(--bg2);
  border: 1.5px solid var(--border); border-radius: 6px;
  padding: 3px 10px; color: var(--text-muted); font-weight: 600;
}

/* ─── FEATURES ─── */
.features { background: var(--bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; max-width: 1100px; margin: 0 auto;
}

.feature-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl); padding: 2rem;
  transition: transform 240ms var(--ease-out), box-shadow 240ms var(--ease-out), border-color 240ms var(--ease-out);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.feature-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(147,51,234,0.06), transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.feature-card:hover { border-color: var(--border-purple); transform: translateY(-4px); box-shadow: 0 28px 90px rgba(147,51,234,0.12); }
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--slate-600);
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-card h3 {
  font-weight: 600; font-size: 1rem;
  margin-bottom: 0.6rem; color: var(--text);
}
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }

/* ─── TECH STACK ─── */
.tech { background: var(--bg2); }

.tech-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; max-width: 1000px; margin: 0 auto;
}

.arch-diagram {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius-xl); padding: 2rem; position: relative; overflow: hidden;
  box-shadow: var(--shadow-md);
}
.arch-diagram::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(147,51,234,0.05), transparent 60%);
}

.arch-layer {
  border: 1px solid rgba(0,0,0,0.10);
  border-radius: var(--radius-md); padding: 0.95rem 1.25rem;
  margin-bottom: 0.75rem; position: relative; z-index: 1;
  background: rgba(255,255,255,0.70);
  box-shadow: var(--shadow-sm);
  transition: transform 240ms var(--ease-out), border-color 240ms var(--ease-out);
}
.arch-layer:hover { border-color: var(--border-purple); }
.arch-layer:last-child { margin-bottom: 0; }
.arch-layer-title {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 0.5rem;
  display: flex; align-items: center; gap: 6px;
}
.arch-layer-title svg { width: 14px; height: 14px; color: var(--slate-500); flex-shrink: 0; }
.arch-techs { display: flex; gap: 8px; flex-wrap: wrap; }
.arch-tech {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 7px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}
.arch-tech-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
}
.arch-tech svg.arch-tech-icon {
  color: var(--slate-600);
}
.arch-arrow {
  display: flex; justify-content: center; align-items: center;
  height: 20px; margin: -2px 0; color: var(--slate-400); font-size: 0.875rem;
}
.arch-arrow svg { width: 16px; height: 16px; }

.tech-list { display: flex; flex-direction: column; gap: 1.25rem; }
.tech-item { display: flex; gap: 1rem; align-items: flex-start; }
.tech-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--purple); flex-shrink: 0; margin-top: 8px;
  box-shadow: 0 0 8px rgba(147,51,234,0.4);
}
.tech-item h4 { font-weight: 600; font-size: 0.9375rem; color: var(--text); }
.tech-item p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ─── IN DEVELOPMENT ─── */
.dev-section {
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.dev-inner {
  max-width: 800px; margin: 0 auto; text-align: center;
}
.dev-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(251,191,36,0.08); border: 1px solid rgba(251,191,36,0.2);
  border-radius: 100px; padding: 6px 16px;
  font-size: 0.8rem; color: #b45309; font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 2rem;
}
.dev-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #f59e0b; animation: pulse 1.5s ease-in-out infinite;
}
.dev-section .section-title { margin-bottom: 1.25rem; }
.dev-section .section-desc { margin: 0 auto 2.5rem; max-width: 520px; }

.roadmap {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem; margin-bottom: 3rem;
}
.roadmap-item {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 12px; padding: 1.25rem;
  text-align: left; transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.roadmap-item.done { border-color: rgba(34,197,94,0.35); background: rgba(34,197,94,0.08); }
.roadmap-item.in-progress { border-color: rgba(147,51,234,0.25); background: rgba(147,51,234,0.06); }
.roadmap-item.planned { border-color: var(--border); }

.roadmap-status {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: inline-flex; align-items: center; gap: 6px;
}
.roadmap-status svg { flex-shrink: 0; }
.status-done { color: #16a34a; }
.status-progress { color: var(--purple); }
.status-planned { color: var(--text-dim); }

.roadmap-item h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.3rem; color: var(--text); }
.roadmap-item p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* ─── CTA ─── */
.cta {
  background: var(--bg2); position: relative; overflow: hidden;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta::before {
  content: ''; position: absolute;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(147,51,234,0.06), transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; max-width: 620px; margin: 0 auto; }
.cta .section-title { margin-bottom: 1.25rem; }
.cta .section-desc { margin: 0 auto 2.5rem; }
.cta-links {
  display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

/* ─── FOOTER ─── */
footer {
  background: var(--text); color: rgba(255,255,255,0.7);
  padding: 3rem clamp(1.5rem, 5vw, 4rem);
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 2rem;
}
.footer-brand {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
}
.footer-brand img { height: 32px; width: 32px; border-radius: 7px; }
.footer-brand span {
  font-weight: 600;
  font-size: 0.9375rem; color: #fff;
}

.footer-links {
  display: flex; gap: 1.5rem; flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255,255,255,0.5); text-decoration: none;
  font-size: 0.875rem; display: flex; align-items: center; gap: 6px;
  transition: color 0.2s;
}
.footer-links a:hover { color: #fff; }

.footer-copy { color: rgba(255,255,255,0.3); font-size: 0.8rem; width: 100%; text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.08); margin-top: 1rem; }

/* ─── ANIMATIONS ON SCROLL ─── */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .nav { display: none; }
  .header-inner { padding: 12px 0; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-visual { order: -1; }
  .tech-layout { grid-template-columns: 1fr; }
  .pipeline-step { grid-template-columns: 50px 1fr; }
  .stats-bar { grid-template-columns: 1fr; margin-top: -44px; }
}

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

/* SVG icon helpers */
.icon { display: inline-block; }

/* ─── extracted from inline styles ─── */
.section-desc--spaced { margin-bottom: 2.5rem; }

.arch-layer--frontend { background: rgba(147,51,234,0.08); }
.arch-layer--backend { background: rgba(147,51,234,0.05); }
.arch-layer--ai { background: rgba(168,85,247,0.08); }
.arch-layer--db { background: rgba(79,70,229,0.08); }