/* ═══════════════════════════════════════════════════════
   CERO SEIS TECH CONSULTING — Stylesheet
   Palette: Deep Navy + Electric Blue accent
   Fonts: Space Grotesk (headings) + Inter (body)
═══════════════════════════════════════════════════════ */

/* ─── CUSTOM PROPERTIES ──────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-deepest:   #060c1a;
  --bg-dark:      #0d1528;
  --bg-navy:      #152040;
  --bg-light:     #f8faff;
  --bg-white:     #ffffff;

  /* Accent */
  --accent:       #0ea5e9;
  --accent-dim:   rgba(14, 165, 233, 0.15);
  --accent-glow:  rgba(14, 165, 233, 0.30);
  --indigo:       #6366f1;

  /* Personality palette — warm + high energy */
  --coral:        #ff6a3d;
  --coral-dim:    rgba(255, 106, 61, 0.12);
  --violet:       #7c3aed;
  --violet-dim:   rgba(124, 58, 237, 0.10);
  --amber:        #f59e0b;
  --mint:         #10b981;
  --bg-cream:     #fcf8f4;

  /* Text on dark */
  --text-inv:     #e2e8f0;
  --text-inv-dim: #94a3b8;

  /* Text on light */
  --text-main:    #0f172a;
  --text-body:    #475569;
  --text-muted:   #94a3b8;

  /* Borders */
  --border-dark:  rgba(255, 255, 255, 0.07);
  --border-light: #e2e8f0;

  /* Spacing */
  --section-pad:  clamp(72px, 10vw, 120px);
  --container:    1200px;
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    20px;
  --radius-xl:    28px;

  /* Transition */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 90px; }
body.menu-open { overflow: hidden; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text-main);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, textarea, button { font-family: inherit; font-size: inherit; }
textarea { resize: vertical; }

/* Accessible keyboard focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.radio-option:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── TYPOGRAPHY ─────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { line-height: 1.75; color: var(--text-body); font-size: 1rem; }

/* ─── LAYOUT UTILS ───────────────────────────────────── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}
.section-header {
  margin-bottom: clamp(40px, 6vw, 64px);
}
section[id] { scroll-margin-top: 84px; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-label.light { color: rgba(14, 165, 233, 0.8); }
.text-gradient {
  background: linear-gradient(120deg, var(--accent) 0%, var(--violet) 55%, var(--coral) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
  padding: 10px 20px;
  font-size: 0.9rem;
}
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #0284c7; transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }

.btn-ghost {
  background: rgba(255,255,255,0.5);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: #fff; }

.btn-ghost-dark {
  background: transparent;
  color: var(--text-inv-dim);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 10px 18px;
  font-size: 0.875rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.btn-ghost-dark:hover { border-color: rgba(255,255,255,0.25); color: var(--text-inv); }

.btn-accent {
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: none;
  transition: all 0.25s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-accent:hover { background: #0284c7; transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1.5px solid var(--border-light);
  padding: 12px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ─── SCROLL REVEAL ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── NAVBAR ─────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.4s, box-shadow 0.4s;
  padding: 20px 0;
}
.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  padding: 14px 0;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--indigo));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: -0.05em;
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-main);
  letter-spacing: 0.08em;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-body);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: 8px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── HERO ───────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(165deg, #fdfbf7 0%, #eef4ff 52%, #ffe9e2 100%);
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15,23,42,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  animation: float 8s ease-in-out infinite;
}
.hero-glow-1 {
  width: 560px; height: 560px;
  top: -120px; left: -80px;
  background: rgba(255, 106, 61, 0.22);
}
.hero-glow-2 {
  width: 520px; height: 520px;
  bottom: -80px; right: -60px;
  background: rgba(124, 58, 237, 0.18);
  animation-delay: -4s;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-30px) scale(1.05); }
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--coral);
  color: #d8492a;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 16px rgba(255, 106, 61, 0.15);
}
.badge-pulse {
  width: 7px; height: 7px;
  background: var(--coral);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}
.hero-title {
  color: var(--text-main);
  max-width: 820px;
  margin-bottom: 24px;
}
.hero-subtitle {
  color: var(--text-body);
  max-width: 560px;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-trust { }
.trust-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-weight: 600;
}
.trust-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.trust-logos span {
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--border-light);
  color: var(--text-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(15,23,42,0.04);
}
.trust-logos span:hover {
  background: #fff;
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--coral));
  margin: 0 auto;
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ─── STATS BAR ──────────────────────────────────────── */
.stats-bar {
  background: linear-gradient(110deg, #0ea5e9 0%, #6d28d9 55%, #ff6a3d 100%);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.stats-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.stats-grid {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.stat-item {
  flex: 1;
  min-width: 180px;
  text-align: center;
  padding: 16px 24px;
}
.stat-value {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-unit {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: rgba(255,255,255,0.85);
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.82);
  max-width: 160px;
  margin: 8px auto 0;
  line-height: 1.5;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.22);
  flex-shrink: 0;
}

/* ─── MANIFESTO ──────────────────────────────────────── */
.manifesto {
  padding: var(--section-pad) 0;
  background: var(--bg-white);
}
.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}
.manifesto-left h2 {
  color: var(--text-main);
  margin-top: 16px;
}
.manifesto-right p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.manifesto-right p:last-of-type { margin-bottom: 32px; }
.pillar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.pillar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.pillar:hover { border-color: var(--accent); background: rgba(14,165,233,0.04); }
.pillar-icon {
  width: 32px; height: 32px;
  background: var(--accent-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

/* ─── SERVICES BENTO GRID ────────────────────────────── */
.services {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

/* Card base */
.bento-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  grid-column: span 4;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease), border-color 0.3s;
  cursor: default;
}
.bento-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--indigo));
  opacity: 0;
  transition: opacity 0.3s;
}
.bento-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); border-color: rgba(14,165,233,0.2); }
.bento-card:hover::before { opacity: 1; }

/* Bento size variants */
.card-large  { grid-column: span 7; }
.card-medium { grid-column: span 5; }
.card-wide   { grid-column: span 8; }
.card-accent {
  grid-column: span 4;
  background: linear-gradient(150deg, #ff6a3d 0%, #ff3d77 100%);
  border-color: transparent;
}
.card-accent h3 { color: #fff; }
.card-accent p  { color: rgba(255,255,255,0.92); }
.card-accent .card-tags span {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.card-accent .card-arrow { color: #fff; }
.card-accent::before { background: rgba(255,255,255,0.6); }
.card-accent:hover { box-shadow: 0 24px 60px rgba(255,61,119,0.35); }

.card-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.card-accent .card-icon {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* Per-card personality tints */
.bento-grid .bento-card:nth-child(2) .card-icon { background: var(--violet-dim); color: var(--violet); }
.bento-grid .bento-card:nth-child(2)::before { background: linear-gradient(90deg, var(--violet), var(--accent)); }
.bento-grid .bento-card:nth-child(3) .card-icon { background: rgba(16,185,129,0.14); color: var(--mint); }
.bento-grid .bento-card:nth-child(3)::before { background: linear-gradient(90deg, var(--mint), var(--accent)); }
.bento-grid .bento-card:nth-child(4) .card-icon { background: rgba(245,158,11,0.16); color: var(--amber); }
.bento-grid .bento-card:nth-child(4)::before { background: linear-gradient(90deg, var(--amber), var(--coral)); }
.bento-card h3 {
  color: var(--text-main);
  margin-bottom: 12px;
  font-size: 1.3rem;
}
.bento-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 20px;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.card-tags.vertical { flex-direction: column; }
.card-tags span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  color: var(--text-body);
  letter-spacing: 0.02em;
}
.card-arrow {
  position: absolute;
  top: 24px; right: 24px;
  color: var(--text-muted);
  transition: all 0.2s;
  opacity: 0;
}
.bento-card:hover .card-arrow { opacity: 1; transform: translate(3px, -3px); }

/* Wide card horizontal layout */
.card-horizontal {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  height: 100%;
}
.card-horizontal-left {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex: 1;
}
.card-horizontal-left .card-icon { flex-shrink: 0; }
.card-horizontal-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
  justify-content: space-between;
  height: 100%;
}

/* ─── RESULTS ────────────────────────────────────────── */
.results {
  padding: var(--section-pad) 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(124,58,237,0.06), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(255,106,61,0.07), transparent 40%),
    var(--bg-light);
}
.results .section-header h2 { color: var(--text-main); }
.results .section-label.light { color: var(--coral); }
.results .section-header { margin-bottom: clamp(36px, 5vw, 56px); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease), box-shadow 0.3s;
}
.case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
}
.case-card:nth-child(2)::before { background: var(--coral); }
.case-card:nth-child(3)::before { background: var(--violet); }
.case-card:nth-child(2) .metric-value { color: var(--coral); }
.case-card:nth-child(3) .metric-value { color: var(--violet); }
.case-card:nth-child(2) .case-label,
.case-card:nth-child(2) .case-badge { color: var(--coral); }
.case-card:nth-child(3) .case-label,
.case-card:nth-child(3) .case-badge { color: var(--violet); }
.case-card:nth-child(2) .case-badge { background: var(--coral-dim); border-color: rgba(255,106,61,0.25); }
.case-card:nth-child(3) .case-badge { background: var(--violet-dim); border-color: rgba(124,58,237,0.25); }
.case-card:hover { border-color: rgba(14,165,233,0.3); transform: translateY(-6px); box-shadow: 0 24px 60px rgba(15,23,42,0.10); }
.case-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.case-sector {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.case-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(14,165,233,0.25);
  border-radius: 100px;
}
.case-metric {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.metric-value {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(2.2rem, 4vw, 3rem);
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.metric-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.case-body { margin-bottom: 20px; }
.case-block { margin-bottom: 14px; }
.case-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.case-block p {
  font-size: 0.85rem;
  color: var(--text-body);
  line-height: 1.6;
}
.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.case-tech span {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 100px;
  color: var(--text-body);
  letter-spacing: 0.04em;
}

/* ─── KNOWLEDGE ──────────────────────────────────────── */
.knowledge {
  padding: var(--section-pad) 0;
  background: var(--bg-white);
}
.knowledge-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}
.knowledge-left h2 {
  color: var(--text-main);
  margin: 14px 0 20px;
}
.knowledge-left p { margin-bottom: 28px; }
.knowledge-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.article-card {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}
.article-card:hover {
  border-color: rgba(14,165,233,0.25);
  background: rgba(14,165,233,0.03);
  transform: translateX(4px);
}
.article-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.article-card h4 {
  color: var(--text-main);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 8px;
}
.article-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ─── CONTACT ────────────────────────────────────────── */
.contact {
  padding: var(--section-pad) 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(255,106,61,0.28), transparent 45%),
    radial-gradient(circle at 0% 100%, rgba(14,165,233,0.22), transparent 45%),
    linear-gradient(150deg, #0b1430 0%, #2b1a63 58%, #4c2a9e 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 8vw, 100px);
  align-items: start;
}
.contact-left h2 {
  color: #fff;
  margin: 14px 0 20px;
}
.contact-left > p { color: var(--text-inv-dim); margin-bottom: 32px; font-size: 1.05rem; }
.guarantees { display: flex; flex-direction: column; gap: 12px; }
.guarantees li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-inv-dim);
}
.guarantees li svg { color: var(--accent); flex-shrink: 0; }

/* Form */
.contact-form {
  background: rgba(8, 12, 28, 0.45);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: 0 30px 70px rgba(0,0,0,0.25);
}
.form-step { display: none; }
.form-step.active { display: block; }
.progress-track {
  height: 3px;
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  margin-bottom: 22px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--indigo));
  border-radius: 100px;
  transition: width 0.4s var(--ease);
}
.step-label {
  font-size: 0.75rem;
  color: var(--text-inv-dim);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-inv-dim);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: #fff;
  font-size: 0.9rem;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); background: rgba(14,165,233,0.04); }

/* Validation states */
.form-group input.invalid,
.form-group textarea.invalid,
.radio-group.invalid { border-color: #ef4444; }
.radio-group.invalid {
  border: 1px solid #ef4444;
  border-radius: var(--radius-sm);
  padding: 8px;
}
.field-error {
  display: none;
  font-size: 0.72rem;
  color: #f87171;
  margin-top: 6px;
  font-weight: 500;
}
.field-error.show { display: block; }

.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  cursor: pointer;
  color: var(--text-inv-dim);
  font-size: 0.875rem;
  transition: all 0.2s;
}
.radio-option:hover { border-color: rgba(14,165,233,0.3); color: #fff; background: rgba(14,165,233,0.05); }
.radio-option input[type="radio"] { accent-color: var(--accent); }
.form-nav {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}
.form-nav .btn-accent { flex: 1; justify-content: center; }

.success-box {
  text-align: center;
  padding: 20px 0;
}
.success-icon {
  width: 64px; height: 64px;
  background: rgba(14,165,233,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin: 0 auto 20px;
}
.success-box h3 { color: #fff; font-size: 1.4rem; margin-bottom: 10px; }
.success-box p { color: var(--text-inv-dim); font-size: 0.9rem; }

.form-privacy {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  margin-top: 14px;
  line-height: 1.5;
}
.form-privacy svg { flex-shrink: 0; }

/* ─── FOOTER ─────────────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding: 60px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; color: var(--text-inv-dim); max-width: 280px; line-height: 1.65; }
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a {
  font-size: 0.875rem;
  color: var(--text-inv-dim);
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
}
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.2); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 34px; height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  color: var(--text-inv-dim);
  transition: all 0.2s;
}
.footer-social a:hover { border-color: rgba(14,165,233,0.4); color: var(--accent); background: var(--accent-dim); }

/* ─── MOBILE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: var(--bg-deepest);
    padding: 40px 24px;
    gap: 24px;
    z-index: 99;
  }
  .nav-links.open a { font-size: 1.2rem; color: #fff; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card,
  .card-large,
  .card-medium,
  .card-wide,
  .card-accent {
    grid-column: span 1;
  }
  .card-horizontal { flex-direction: column; gap: 20px; }
  .card-horizontal-right { align-items: flex-start; }

  .manifesto-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .stats-grid { flex-direction: column; align-items: stretch; gap: 0; }
  .stat-divider { width: 100%; height: 1px; }
  .stat-item { text-align: left; padding: 20px 0; }
  .stat-label { margin: 6px 0 0; max-width: none; }
  .pillar-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  /* Stack form navigation so the long CTA never overflows */
  .form-nav { flex-direction: column-reverse; align-items: stretch; }
  .form-nav .btn-accent,
  .form-nav .btn-ghost-dark { width: 100%; justify-content: center; }
}

/* ─── ANIMATIONS ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  /* Safety net: never leave revealed content invisible */
  .reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}