/**
 * CSTMS.EU — Shared Stylesheet
 * Tokens + responsive layouts + all component styles
 * ──────────────────────────────────────────────────
 */

/* ── Google Fonts ──────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700&family=DM+Sans:wght@400;500;600&display=swap');

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --color-primary:  #1E69E6;
  --color-dark:     #0A3F9E;
  --color-light:    #7BA7F5;
  --color-text:     #1A1A2E;
  --color-white:    #FFFFFF;
  --color-bg:       #F4F6FA;
  --color-muted:    #8B93A5;
  --color-border:   #E2E8F0;
  --color-pastel:   #E8F0FD;

  --font-heading:   'Sora', sans-serif;
  --font-body:      'DM Sans', sans-serif;

  --text-display:   clamp(2rem, 4vw, 3rem);
  --text-h2:        1.75rem;
  --text-h3:        1.375rem;
  --text-body:      0.9375rem;
  --text-label:     0.6875rem;
  --text-button:    0.875rem;

  --weight-bold:      700;
  --weight-semibold:  600;
  --weight-medium:    500;
  --weight-regular:   400;

  --leading-tight:    1.2;
  --leading-normal:   1.5;
  --leading-relaxed:  1.7;

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;

  --border-light: 1px solid var(--color-border);
  --border-brand: 1px solid var(--color-primary);

  --shadow-sm: 0 2px 8px rgba(26,26,46,0.08);
  --shadow-md: 0 4px 16px rgba(30,105,230,0.12);
  --shadow-lg: 0 8px 32px rgba(26,26,46,0.12);

  --transition: 150ms ease;
  --max-width: 1140px;
}

/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; }

h1, h2, h3, h4 { font-family: var(--font-heading); line-height: var(--leading-tight); }
h1 { font-size: var(--text-display); font-weight: var(--weight-bold); }
h2 { font-size: var(--text-h2); font-weight: var(--weight-semibold); }
h3 { font-size: var(--text-h3); font-weight: var(--weight-semibold); }
p  { line-height: var(--leading-normal); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }

/* ── Layout ────────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-16) 0;
}

.section-alt {
  background: var(--color-bg);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-button);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-dark);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: var(--border-brand);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: none;
  padding-left: 0;
  padding-right: 0;
  font-weight: var(--weight-medium);
  letter-spacing: 0;
  text-transform: none;
}

/* ── Cards ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  border: var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
  transition: all var(--transition);
}

/* ── Badges ────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: var(--weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-primary);
  border: var(--border-brand);
}

.badge-category {
  background: var(--color-pastel);
  color: var(--color-primary);
  border: none;
}

/* ── Eyebrow label ─────────────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: block;
  margin-bottom: 0.875rem;
}

/* ── Section header ────────────────────────────────────────────────────── */
.section-header {
  max-width: 560px;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: var(--leading-relaxed);
}

/* ── Divider ───────────────────────────────────────────────────────────── */
.divider { border: none; border-top: var(--border-light); margin: var(--space-8) 0; }
.divider-brand { border-top: 2px solid var(--color-primary); width: 3rem; margin: var(--space-4) 0; }

/* ══════════════════════════════════════════════════════════════════════════
   NAVIGATION
   ══════════════════════════════════════════════════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: var(--border-light);
  box-shadow: 0 2px 8px rgba(26,26,46,0.06);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 72px;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-logo { flex-shrink: 0; }
.nav-logo img { height: 38px; transition: opacity 0.2s; }
.nav-logo img:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.nav-link {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
  display: inline-block;
}

.nav-link:hover { color: var(--color-primary); background: var(--color-bg); }
.nav-link.active { color: var(--color-primary); background: var(--color-bg); }

.nav-lang {
  display: flex;
  gap: 0;
  align-items: center;
}

/* Pill slider toggle */
.lang-toggle-track {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px;
  transition: border-color var(--transition);
}

.lang-toggle-track:hover { border-color: var(--color-primary); }

.lang-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  bottom: 3px;
  background: var(--color-primary);
  border-radius: 999px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 0;
}

.lang-toggle-thumb.to-en { transform: translateX(100%); }

.lang-btn {
  position: relative;
  z-index: 1;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: var(--weight-semibold);
  color: var(--color-muted);
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: color 0.2s;
  line-height: 1.5;
}

.lang-btn.active { color: var(--color-white); }
.lang-btn:not(.active):hover { color: var(--color-primary); }

.nav-cta { flex-shrink: 0; }

.nav-burger {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}

.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: var(--space-3) var(--space-6) var(--space-6);
  border-top: var(--border-light);
  gap: var(--space-1);
}

.mobile-menu.open { display: flex; }

.mobile-nav-link {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: var(--weight-medium);
  color: var(--color-text);
  padding: var(--space-3) 0;
  text-align: left;
  border-bottom: var(--border-light);
  text-decoration: none;
  display: block;
  transition: color var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active { color: var(--color-primary); }

.mobile-lang {
  display: flex;
  gap: var(--space-2);
  padding-top: var(--space-4);
}

/* ══════════════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-top {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-16);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-8);
}

.footer-brand-logo { height: 32px; margin-bottom: var(--space-4); }

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.footer-byline {
  font-size: var(--text-label);
  font-weight: var(--weight-medium);
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.footer-col-title {
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-link {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  text-align: left;
  padding: 0;
  transition: color var(--transition);
  text-decoration: none;
  display: block;
}

.footer-link:hover { color: var(--color-white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-link {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--color-muted);
  padding: 0;
  transition: color var(--transition);
}

.footer-bottom-link:hover { color: var(--color-white); }

/* ══════════════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════════════ */
.hero {
  padding: 80px 0 72px;
  overflow: hidden;
  position: relative;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.hero-content { flex: 1 1 460px; max-width: 560px; }
.hero-visual  { flex: 1 1 300px; max-width: 400px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-bg);
  border: var(--border-light);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  margin-bottom: var(--space-6);
}

.hero-badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.5; transform:scale(0.75); }
}

.hero-badge-text {
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.hero h1 { margin-bottom: var(--space-6); color: var(--color-text); }
.hero h1 .accent { color: var(--color-primary); }
.accent { color: var(--color-primary); }

.hero-sub {
  font-size: 1.0625rem;
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero-trust {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: var(--weight-medium);
  color: var(--color-muted);
}

.hero-stats-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.hero-stat-item {
  padding: 20px 12px;
  text-align: center;
  border-right: var(--border-light);
}

.hero-stat-item:last-child { border-right: none; }

.hero-stat-num {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.hero-stat-label {
  font-size: 0.6875rem;
  color: var(--color-muted);
  line-height: 1.4;
}

.hero-stats-footer {
  border-top: var(--border-light);
  padding: 12px 16px;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: var(--weight-medium);
  color: var(--color-muted);
}

.hero-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}

.hero-pill {
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-primary);
  border: var(--border-light);
}

/* ══════════════════════════════════════════════════════════════════════════
   STAT CARDS (Trust Signals)
   ══════════════════════════════════════════════════════════════════════════ */
.stats-section {
  padding: var(--space-16) 0;
  background: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.stat-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
}

.stat-card:hover,
.stat-card.expanded {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.stat-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, opacity 300ms ease;
  opacity: 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  border-top: var(--border-light);
  padding-top: 0;
}

.stat-card.expanded .stat-detail,
.stat-card:hover .stat-detail {
  max-height: 120px;
  opacity: 1;
  padding-top: var(--space-4);
}

/* ══════════════════════════════════════════════════════════════════════════
   STRATEGIC MODEL CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.strategic-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.strategic-card {
  position: relative;
  background: linear-gradient(160deg, #e8f0fd 0%, #f4f6fa 100%);
  border: 1px solid rgba(30, 105, 230, 0.12);
  border-radius: var(--radius-lg);
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.35s, transform 0.35s, border-color 0.35s;
  cursor: pointer;
}

.strategic-card:hover {
  box-shadow: 0 8px 32px rgba(30, 105, 230, 0.13);
  border-color: rgba(30, 105, 230, 0.28);
}

/* Collapsed header — always visible */
.strategic-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  position: relative;
}

.strategic-card-header-text {
  flex: 1;
}

.strategic-card-header-text h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 0.2rem 0;
  line-height: 1.3;
}

.strategic-card-sub {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Expandable body */
.strategic-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, padding 0.35s;
  opacity: 0;
  padding: 0 2rem;
}

.strategic-card.expanded .strategic-card-body {
  max-height: 400px;
  opacity: 1;
  padding: 0 2rem 1.75rem;
}

.strategic-card-body p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.65;
  margin: 0 0 1rem 0;
}

.strategic-card-num {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(30, 105, 230, 0.13);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.strategic-card-badge {
  position: absolute;
  top: 1rem;
  right: 4.5rem;
  background: rgba(30, 105, 230, 0.12);
  color: rgba(30, 105, 230, 0.6);
  border: 1px solid rgba(30, 105, 230, 0.2);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
}

/* Coming Soon card — only badge is subdued, card itself stays normal */
.strategic-card:has(.strategic-card-badge) {
  background: linear-gradient(160deg, #e8f0fd 0%, #f4f6fa 100%);
  border-color: rgba(30, 105, 230, 0.12);
}

.strategic-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(30, 105, 230, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: background 0.25s;
}

.strategic-card.expanded .strategic-card-icon {
  background: rgba(30, 105, 230, 0.18);
}

/* Chevron toggle */
.strategic-card-chevron {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  margin-right: 4rem;
}

.strategic-card.expanded .strategic-card-chevron {
  transform: rotate(180deg);
}

.strategic-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}

.strategic-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.strategic-card-list li {
  font-size: 0.875rem;
  color: var(--color-text);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.5;
}

.strategic-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.strategic-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: gap 0.2s;
}

.strategic-card-link:hover { gap: 10px; }

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .strategic-card-num { font-size: 2.5rem; }
}


.value-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.value-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  padding: var(--space-8);
  transition: all var(--transition);
}

.value-card:nth-child(even) { background: var(--color-bg); }

.value-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: rgba(30,105,230,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}

/* ══════════════════════════════════════════════════════════════════════════
   SERVICES SNAPSHOT
   ══════════════════════════════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5, 1.25rem);
}

.service-mini-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition);
}

.service-mini-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════════════════════════════════════
   STEP CARDS (How It Works)
   ══════════════════════════════════════════════════════════════════════════ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.step-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-border);
  padding: var(--space-6);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.step-card.expanded,
.step-card:hover {
  border-left-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.step-num-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.step-num {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: rgba(30,105,230,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: all var(--transition);
}

.step-card.expanded .step-num,
.step-card:hover .step-num {
  background: var(--color-primary);
  color: var(--color-white);
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  transition: color var(--transition);
}

.step-card.expanded .step-title,
.step-card:hover .step-title {
  color: var(--color-primary);
}

.step-brief {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

.step-detail {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 300ms ease, opacity 300ms ease, padding 300ms ease;
  border-top: var(--border-light);
}

.step-card.expanded .step-detail,
.step-card:hover .step-detail {
  max-height: 200px;
  opacity: 1;
  padding-top: var(--space-4);
}

.step-detail ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
}

.step-detail ul li {
  font-size: 0.8125rem;
  color: var(--color-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.5;
}

.step-detail ul li::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 5px;
  flex-shrink: 0;
}

/* ══════════════════════════════════════════════════════════════════════════
   BLOG CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.blog-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.blog-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--color-pastel);
  overflow: hidden;
  position: relative;
}

.blog-card-img-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.blog-meta-dot { color: var(--color-border); }

.blog-card h3 {
  font-size: 1.0625rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.blog-read-more {
  font-size: 0.8125rem;
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap var(--transition);
}

.blog-card:hover .blog-read-more { gap: 8px; }

/* ══════════════════════════════════════════════════════════════════════════
   SEARCH & FILTERS
   ══════════════════════════════════════════════════════════════════════════ */
.search-filter-bar {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: 10px 12px 10px 38px;
  border: var(--border-light);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
}

.search-input:focus,
.search-input:hover { border-color: var(--color-primary); }
.search-input::placeholder { color: var(--color-muted); }

.filter-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-pill {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: var(--weight-medium);
  padding: 7px 14px;
  border-radius: 20px;
  border: var(--border-light);
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-pill:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-pill.active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

/* ══════════════════════════════════════════════════════════════════════════
   SERVICES PAGE — Full Grid
   ══════════════════════════════════════════════════════════════════════════ */
.services-full-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.service-card {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  padding: var(--space-4);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.service-card.selected {
  border: 1.5px solid var(--color-primary);
  box-shadow: var(--shadow-md);
}

.service-card-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(30,105,230,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  line-height: 1.3;
}

.service-card-category {
  font-size: 0.625rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.service-card-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--space-1);
}

.service-tag {
  font-size: 0.5625rem;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--color-bg);
  color: var(--color-primary);
  border: var(--border-light);
}

/* ── Detail Panel ──────────────────────────────────────────────────────── */
.detail-panel {
  background: var(--color-white);
  border: var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-top: var(--space-6);
  animation: slideDown 200ms ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

.detail-header {
  padding: var(--space-6);
  border-bottom: var(--border-light);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.detail-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.detail-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  background: rgba(30,105,230,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.detail-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.detail-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--transition);
  flex-shrink: 0;
}

.detail-close:hover { color: var(--color-text); }

.detail-body {
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.detail-deliverables h4 {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.detail-deliverables ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.detail-deliverables ul li {
  font-size: 0.875rem;
  color: var(--color-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  line-height: 1.5;
}

.detail-deliverables ul li::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 6px;
  flex-shrink: 0;
}

.detail-footer {
  padding: var(--space-4) var(--space-6);
  border-top: var(--border-light);
  background: var(--color-bg);
}

/* ══════════════════════════════════════════════════════════════════════════
   CSTMS.AI TEASER
   ══════════════════════════════════════════════════════════════════════════ */
.ai-teaser {
  background: transparent;
  border: var(--border-brand);
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-12);
  max-width: 900px;
  margin: 0 auto;
}

.ai-teaser-icon {
  width: 72px; height: 72px;
  border-radius: var(--radius);
  background: rgba(30,105,230,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.ai-teaser-content { flex: 1; }

/* ══════════════════════════════════════════════════════════════════════════
   MODAL
   ══════════════════════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,26,46,0.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fadeIn 150ms ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 150ms ease;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* ══════════════════════════════════════════════════════════════════════════
   FORM
   ══════════════════════════════════════════════════════════════════════════ */
.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.form-label {
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.form-input {
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: 10px 12px;
  border: var(--border-light);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-white);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-input:focus { border-color: var(--color-primary); }
.form-input:hover { border-color: var(--color-primary); }
.form-input.error { border-color: #E53E3E; }

.form-input::placeholder { color: var(--color-muted); }

.form-error {
  font-size: 0.75rem;
  color: #E53E3E;
  margin-top: 3px;
}

/* ══════════════════════════════════════════════════════════════════════════
   BLOG DETAIL
   ══════════════════════════════════════════════════════════════════════════ */
.article-header {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.article-featured-img {
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  background: var(--color-pastel);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: var(--space-8) 0;
}

.article-body {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.article-body p {
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-body h3 {
  font-size: 1.1875rem;
  color: var(--color-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-body li {
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.article-body blockquote {
  font-style: italic;
  background: var(--color-bg);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

.article-body a {
  color: var(--color-primary);
}

.article-body a:hover { text-decoration: underline; }

/* ══════════════════════════════════════════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════════════════════════════════════════ */
.cta-banner {
  background: var(--color-text);
  padding: var(--space-16) 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: var(--space-3);
}

.cta-banner p {
  color: rgba(255,255,255,0.55);
  font-size: 1rem;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner-sub {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
  margin-top: var(--space-3);
}

/* ══════════════════════════════════════════════════════════════════════════
   PAGE HEADER (Services / Blog)
   ══════════════════════════════════════════════════════════════════════════ */
.page-header {
  background: var(--color-white);
  padding: var(--space-12) 0 var(--space-8);
  border-bottom: var(--border-light);
}

.page-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.page-header h1 {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  margin-bottom: var(--space-3);
}

.page-header p {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: var(--leading-relaxed);
  max-width: 560px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  color: var(--color-muted);
}

.empty-state svg { opacity: 0.3; margin-bottom: var(--space-4); }

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-lang  { display: none; }
  .nav-cta   { display: none; }
  .nav-burger { display: flex; }

  .hero-inner { flex-direction: column; gap: var(--space-8); }
  .hero-visual { display: none; }
  .hero-content { max-width: 100%; }

  .stats-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .services-full-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }

  .detail-body { grid-template-columns: 1fr; }

  .ai-teaser { flex-direction: column; text-align: center; padding: var(--space-8) var(--space-6); }

  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.1875rem; }

  .search-filter-bar { flex-direction: column; align-items: stretch; }
  .search-wrap { min-width: unset; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .services-full-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
}

@media (min-width: 769px) and (max-width: 1140px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Utility ───────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.gap-3 { gap: var(--space-3); }