/* ============================================================
   IMPUSLIA — Design System Premium
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --c-black:       #0A0A0A;
  --c-white:       #FFFFFF;
  --c-indigo:      #6366F1;
  --c-indigo-dark: #4F46E5;
  --c-indigo-pale: #EEF2FF;
  --c-gray-50:     #F9FAFB;
  --c-gray-100:    #F3F4F6;
  --c-gray-200:    #E5E7EB;
  --c-gray-300:    #D1D5DB;
  --c-gray-400:    #9CA3AF;
  --c-gray-500:    #6B7280;
  --c-gray-600:    #4B5563;
  --c-gray-700:    #374151;
  --c-gray-900:    #111827;

  --f-display: 'Syne', sans-serif;
  --f-body:    'Inter', sans-serif;

  --section-v:     clamp(80px, 10vw, 140px);
  --container-max: 1240px;
  --container-pad: clamp(20px, 5vw, 80px);
  --nav-h:         72px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --ease:     cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration: 0.3s;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 24px rgba(0,0,0,.07), 0 2px 8px rgba(0,0,0,.05);
  --shadow-lg:  0 16px 64px rgba(0,0,0,.09), 0 4px 16px rgba(0,0,0,.06);
  --shadow-xl:  0 32px 80px rgba(0,0,0,.12);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--f-body);
  color: var(--c-black);
  background: var(--c-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-black);
  font-stretch: normal;
}

.text-display {
  font-size: clamp(44px, 6.5vw, 88px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.text-h1  { font-size: clamp(36px, 5vw, 72px); }
.text-h2  { font-size: clamp(28px, 4vw, 52px); }
.text-h3  { font-size: clamp(22px, 3vw, 32px); }
.text-h4  { font-size: clamp(18px, 2vw, 24px); font-weight: 600; }
.text-lg  { font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.text-base{ font-size: 16px; line-height: 1.7; }
.text-sm  { font-size: 14px; line-height: 1.6; }
.text-xs  { font-size: 12px; }

.text-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-indigo);
}
.text-muted { color: var(--c-gray-500); }
.text-center { text-align: center; }
.text-white { color: var(--c-white); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
.container--narrow { max-width: 860px; }
.container--wide   { max-width: 1440px; }

.section {
  padding: var(--section-v) 0;
}
.section--dark {
  background: var(--c-black);
  color: var(--c-white);
}
.section--gray {
  background: var(--c-gray-50);
}
.section--indigo {
  background: var(--c-indigo-pale);
}

/* ── Navigation ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.site-header.transparent { background: transparent; }
.site-header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--c-gray-200);
}

/* Dark page variant */
body.dark-hero .site-header.transparent .logo-text,
body.dark-hero .site-header.transparent .logo-dot,
body.dark-hero .site-header.transparent .nav-links a {
  color: var(--c-white);
}
body.dark-hero .site-header.transparent .nav-cta {
  background: var(--c-white);
  color: var(--c-black);
}
body.dark-hero .site-header.transparent .nav-toggle span {
  background: var(--c-white);
}

.nav-wrapper {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo a {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.04em;
  transition: opacity var(--duration);
}
.nav-logo a:hover { opacity: 0.7; }
.logo-dot { color: var(--c-indigo); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links li a {
  font-size: 14px;
  font-weight: 500;
  color: var(--c-gray-600);
  transition: color var(--duration);
  position: relative;
}
.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 100%;
  height: 1px;
  background: var(--c-indigo);
  transition: right var(--duration) var(--ease);
}
.nav-links li a:hover { color: var(--c-black); }
.nav-links li a:hover::after { right: 0; }
.nav-links li.current-menu-item a { color: var(--c-black); }
.nav-links li.current-menu-item a::after { right: 0; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: var(--c-black);
  color: var(--c-white) !important;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  transition: background var(--duration), transform var(--duration);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--c-indigo);
  transform: translateY(-1px);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-black);
  border-radius: 2px;
  transition: transform var(--duration), opacity var(--duration);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-black);
  color: var(--c-white);
}
.btn-primary:hover {
  background: var(--c-indigo);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99,102,241,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--c-black);
  border-color: var(--c-gray-300);
}
.btn-outline:hover {
  border-color: var(--c-black);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--c-white);
  color: var(--c-black);
}
.btn-white:hover {
  background: var(--c-indigo-pale);
  transform: translateY(-2px);
}
.btn-indigo {
  background: var(--c-indigo);
  color: var(--c-white);
}
.btn-indigo:hover {
  background: var(--c-indigo-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99,102,241,0.35);
}
.btn-lg {
  padding: 18px 40px;
  font-size: 16px;
}
.btn-sm {
  padding: 10px 22px;
  font-size: 13px;
}
.btn svg, .btn .arrow {
  transition: transform var(--duration);
}
.btn:hover svg, .btn:hover .arrow {
  transform: translateX(4px);
}

/* ── Utility ─────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4  { gap: 16px; }
.gap-6  { gap: 24px; }
.gap-8  { gap: 32px; }
.gap-12 { gap: 48px; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mt-12 { margin-top: 48px; }
.mt-16 { margin-top: 64px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.max-w-2xl { max-width: 680px; }
.max-w-3xl { max-width: 860px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: var(--c-black);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--nav-h) + 40px) var(--container-pad) clamp(60px, 8vw, 120px);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(99,102,241,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-indigo);
  margin-bottom: 32px;
}
.hero-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--c-indigo);
}

.hero-title {
  font-family: var(--f-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--c-white);
  margin-bottom: 36px;
  font-stretch: normal;
}
.hero-title em {
  font-style: normal;
  color: var(--c-indigo);
}

.hero-sub {
  font-size: clamp(17px, 2.2vw, 22px);
  color: rgba(255,255,255,0.6);
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: var(--container-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.3);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

/* ── Section headers ─────────────────────────────────────────── */
.section-header {
  margin-bottom: clamp(48px, 6vw, 80px);
}
.section-header--center { text-align: center; }
.section-header--center .text-label { justify-content: center; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-indigo);
  margin-bottom: 20px;
}
.section-label::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--c-indigo);
}

.section-title {
  font-family: var(--f-display);
  font-size: clamp(30px, 4vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-black);
  font-stretch: normal;
}
.section--dark .section-title { color: var(--c-white); }
.section-desc {
  margin-top: 20px;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--c-gray-500);
  line-height: 1.7;
  max-width: 600px;
}
.section-header--center .section-desc { margin-left: auto; margin-right: auto; }
.section--dark .section-desc { color: rgba(255,255,255,0.55); }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  padding: 36px;
  transition: box-shadow var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              border-color var(--duration);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--c-indigo);
}
.card--dark {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
}
.card--dark:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--c-indigo);
}
.card--featured {
  border-color: var(--c-indigo);
  position: relative;
  overflow: hidden;
}
.card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-indigo), var(--c-indigo-dark));
}

.card-icon {
  width: 52px; height: 52px;
  background: var(--c-indigo-pale);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
}
.card-title {
  font-family: var(--f-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.card-desc {
  font-size: 15px;
  color: var(--c-gray-500);
  line-height: 1.7;
}

/* ── Service cards ───────────────────────────────────────────── */
.service-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: all var(--duration) var(--ease);
}
.service-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
  border-color: var(--c-indigo);
}
.service-card--featured {
  border-color: var(--c-indigo);
  background: var(--c-indigo-pale);
}

.service-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--c-indigo);
  color: var(--c-white);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service-price {
  font-family: var(--f-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  color: var(--c-indigo);
  letter-spacing: -0.03em;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--c-gray-700);
  line-height: 1.5;
}
.service-features li::before {
  content: '✓';
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--c-indigo-pale);
  color: var(--c-indigo);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
  margin-top: 1px;
}

/* ── Stats ───────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-gray-200);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.stat-item {
  background: var(--c-white);
  padding: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 36px);
  text-align: center;
}
.stat-number {
  font-family: var(--f-display);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--c-black);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number span { color: var(--c-indigo); }
.stat-label {
  font-size: 13px;
  color: var(--c-gray-500);
  line-height: 1.5;
}

/* ── Case study cards ────────────────────────────────────────── */
.case-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 36px;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  color: inherit;
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--c-indigo);
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-gray-100);
  color: var(--c-gray-600);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.case-result {
  font-family: var(--f-display);
  font-size: 52px;
  font-weight: 800;
  color: var(--c-indigo);
  letter-spacing: -0.04em;
  line-height: 1;
}
.case-result-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-black);
  margin-top: 6px;
}
.case-client {
  font-size: 13px;
  color: var(--c-gray-400);
  margin-top: 4px;
}

.case-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-indigo);
  margin-top: auto;
  transition: gap var(--duration);
}
.case-card:hover .case-link { gap: 10px; }

/* ── Blog post cards ─────────────────────────────────────────── */
.post-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  color: inherit;
}
.post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--c-gray-300);
}

.post-card-img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--c-gray-100) 0%, var(--c-indigo-pale) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  overflow: hidden;
}
.post-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.post-card:hover .post-card-img img { transform: scale(1.04); }

.post-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.post-category {
  display: inline-block;
  padding: 3px 12px;
  background: var(--c-indigo-pale);
  color: var(--c-indigo);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}

.post-title {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--c-black);
}
.post-card:hover .post-title { color: var(--c-indigo); }

.post-excerpt {
  font-size: 14px;
  color: var(--c-gray-500);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--c-gray-100);
}
.post-date {
  font-size: 12px;
  color: var(--c-gray-400);
}
.post-read-time {
  font-size: 12px;
  color: var(--c-gray-400);
  margin-left: auto;
}

/* ── CTA Banner ──────────────────────────────────────────────── */
.cta-banner {
  background: var(--c-black);
  border-radius: var(--radius-lg);
  padding: clamp(48px, 6vw, 80px) clamp(36px, 5vw, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  right: -80px; top: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.2) 0%, transparent 70%);
}
.cta-banner-text { flex: 1; }
.cta-banner-title {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.cta-banner-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}
.cta-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-gray-900);
  color: var(--c-gray-400);
  padding: clamp(60px, 8vw, 100px) 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  margin-bottom: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(48px, 6vw, 80px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-text { color: var(--c-white); }
.footer-brand .logo-dot  { color: var(--c-indigo); }
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--f-body);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 20px;
}

.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-size: 14px;
  color: var(--c-gray-400);
  transition: color var(--duration);
}
.footer-links a:hover { color: var(--c-white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 13px;
  color: var(--c-gray-500);
}
.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  font-size: 13px;
  color: var(--c-gray-500);
  transition: color var(--duration);
}
.footer-legal a:hover { color: var(--c-white); }

/* ── Page header ─────────────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-h) + clamp(60px, 8vw, 100px));
  padding-bottom: clamp(60px, 8vw, 100px);
  border-bottom: 1px solid var(--c-gray-200);
}
.page-hero--dark {
  background: var(--c-black);
  border-bottom: none;
}

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}
.breadcrumb a, .breadcrumb span {
  font-size: 13px;
  color: var(--c-gray-400);
}
.breadcrumb a:hover { color: var(--c-indigo); }
.breadcrumb .sep { color: var(--c-gray-300); }
.breadcrumb .current { color: var(--c-gray-600); }

/* ── Blog single ─────────────────────────────────────────────── */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 80px;
  align-items: start;
}

.post-header {
  padding-top: calc(var(--nav-h) + 60px);
  padding-bottom: 60px;
  border-bottom: 1px solid var(--c-gray-200);
}

.post-content {
  padding: 64px 0;
  max-width: 720px;
}

.post-content h2 {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 56px;
  margin-bottom: 20px;
  padding-top: 40px;
  border-top: 1px solid var(--c-gray-200);
  color: var(--c-black);
}
.post-content h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.post-content h3 {
  font-family: var(--f-display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--c-black);
}
.post-content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-gray-700);
  margin-bottom: 24px;
}
.post-content ul, .post-content ol {
  margin-bottom: 24px;
  padding-left: 0;
}
.post-content ul li, .post-content ol li {
  font-size: 16px;
  color: var(--c-gray-700);
  padding: 8px 0 8px 28px;
  position: relative;
  border-bottom: 1px solid var(--c-gray-100);
  line-height: 1.6;
}
.post-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--c-indigo);
  font-weight: 700;
}
.post-content ol { counter-reset: item; }
.post-content ol li::before {
  content: counter(item) '.';
  counter-increment: item;
  position: absolute;
  left: 0;
  color: var(--c-indigo);
  font-weight: 700;
  font-family: var(--f-display);
}
.post-content strong { color: var(--c-black); font-weight: 600; }
.post-content a { color: var(--c-indigo); text-decoration: underline; text-underline-offset: 3px; }
.post-content blockquote {
  border-left: 3px solid var(--c-indigo);
  padding: 20px 28px;
  background: var(--c-indigo-pale);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 32px 0;
}
.post-content blockquote p {
  font-size: 18px;
  font-style: italic;
  color: var(--c-gray-700);
  margin: 0;
}

/* Sidebar */
.post-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 64px;
}
.sidebar-widget {
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
}
.sidebar-widget-title {
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-gray-200);
}

/* ── Glossary ─────────────────────────────────────────────────── */
.glossary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 48px;
}
.glossary-nav a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: var(--c-gray-100);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--f-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-gray-700);
  transition: all var(--duration);
}
.glossary-nav a:hover {
  background: var(--c-indigo);
  color: var(--c-white);
  border-color: var(--c-indigo);
}

.glossary-section { margin-bottom: 56px; }
.glossary-letter {
  font-family: var(--f-display);
  font-size: 64px;
  font-weight: 800;
  color: var(--c-indigo);
  letter-spacing: -0.04em;
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 24px;
}
.glossary-term {
  padding: 24px 0;
  border-bottom: 1px solid var(--c-gray-100);
}
.glossary-term h3 {
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-black);
  margin-bottom: 10px;
  position: relative;
  padding-left: 16px;
}
.glossary-term h3::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 16px;
  background: var(--c-indigo);
  border-radius: 2px;
}
.glossary-term p {
  font-size: 15px;
  color: var(--c-gray-600);
  line-height: 1.75;
}

/* ── Contact form ─────────────────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: start;
}

.contact-form-wrap label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gray-700);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.contact-form-wrap input[type="text"],
.contact-form-wrap input[type="email"],
.contact-form-wrap textarea,
.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--f-body);
  font-size: 15px;
  color: var(--c-black);
  background: var(--c-white);
  transition: border-color var(--duration), box-shadow var(--duration);
  outline: none;
  display: block;
  margin-bottom: 20px;
}
.contact-form-wrap input:focus,
.contact-form-wrap textarea:focus,
.wpcf7-form input:focus,
.wpcf7-form textarea:focus {
  border-color: var(--c-indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.wpcf7-form textarea { min-height: 160px; resize: vertical; }
.wpcf7-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--c-black);
  color: var(--c-white);
  border-radius: 100px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--duration) var(--ease);
  width: auto;
  margin-bottom: 0;
}
.wpcf7-form input[type="submit"]:hover {
  background: var(--c-indigo);
  transform: translateY(-2px);
}

.contact-info-card {
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
  padding: 36px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.contact-info-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-gray-200);
}
.contact-info-item:last-of-type { border-bottom: none; }
.contact-info-icon {
  width: 40px; height: 40px;
  background: var(--c-white);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-info-title { font-size: 13px; font-weight: 600; color: var(--c-black); margin-bottom: 4px; }
.contact-info-val { font-size: 14px; color: var(--c-gray-500); }

/* ── About page ──────────────────────────────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.value-item {
  padding: 32px;
  background: var(--c-gray-50);
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-md);
}
.value-number {
  font-family: var(--f-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--c-indigo);
  opacity: 0.25;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
}
.value-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.value-desc { font-size: 14px; color: var(--c-gray-500); line-height: 1.7; }

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq-list { border-top: 1px solid var(--c-gray-200); }
.faq-item {
  border-bottom: 1px solid var(--c-gray-200);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  text-align: left;
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-black);
  cursor: pointer;
  transition: color var(--duration);
  background: none;
  border: none;
}
.faq-question:hover { color: var(--c-indigo); }
.faq-question.active { color: var(--c-indigo); }
.faq-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  background: var(--c-gray-100);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: transform var(--duration), background var(--duration);
}
.faq-question.active .faq-icon {
  transform: rotate(45deg);
  background: var(--c-indigo);
  color: var(--c-white);
}
.faq-answer {
  display: none;
  padding-bottom: 24px;
}
.faq-answer.open { display: block; }
.faq-answer p {
  font-size: 15px;
  color: var(--c-gray-600);
  line-height: 1.75;
}

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 64px;
}
.pagination a, .pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--c-gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-gray-600);
  transition: all var(--duration);
}
.pagination a:hover { border-color: var(--c-indigo); color: var(--c-indigo); }
.pagination .current { background: var(--c-indigo); border-color: var(--c-indigo); color: var(--c-white); }

/* ── 404 ─────────────────────────────────────────────────────── */
.page-404 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--nav-h) var(--container-pad) 80px;
}
.page-404-number {
  font-family: var(--f-display);
  font-size: clamp(100px, 20vw, 200px);
  font-weight: 800;
  letter-spacing: -0.06em;
  color: var(--c-gray-100);
  line-height: 1;
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes scroll-line {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.animate-fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .post-layout { grid-template-columns: 1fr; }
  .post-sidebar { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--c-black);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 36px;
    z-index: 999;
  }
  .nav-menu.open { display: flex; }
  .nav-menu .nav-links { display: flex; flex-direction: column; align-items: center; gap: 28px; }
  .nav-menu .nav-links a { color: var(--c-white); font-size: 24px; font-family: var(--f-display); font-weight: 700; }
  .nav-menu .nav-cta { display: inline-flex; }

  .hero-title { font-size: clamp(40px, 10vw, 64px); }
  .hero-scroll { display: none; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  .values-grid { grid-template-columns: 1fr; }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }
  .cta-banner-actions { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .service-card { padding: 28px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}