/* ============================================================
   AI Automation Cafe — Main Stylesheet
   Pure CSS, no frameworks. Mobile-first responsive design.
   ============================================================ */

/* ── CSS Custom Properties (Theming) ───────────────────────── */
:root {
  /* Primary Palette */
  --color-primary: #0A1628;
  --color-secondary: #00B4D8;
  --color-accent: #F4A623;
  --color-bg-light: #F8F9FA;
  --color-bg-dark: #111827;
  --color-text: #1A1A2E;
  --color-text-secondary: #6B7280;
  --color-success: #10B981;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;

  /* Surfaces */
  --surface-body: var(--color-bg-light);
  --surface-card: var(--color-white);
  --surface-header: rgba(255, 255, 255, 0.95);
  --surface-header-scrolled: rgba(255, 255, 255, 0.98);
  --surface-footer: var(--color-bg-dark);
  --surface-hero: var(--color-primary);
  --surface-alt: #F0F4F8;
  --surface-code: #F1F5F9;
  --surface-modal-overlay: rgba(0, 0, 0, 0.6);

  /* Text */
  --text-heading: var(--color-primary);
  --text-body: var(--color-text);
  --text-muted: var(--color-text-secondary);
  --text-inverse: var(--color-white);
  --text-link: var(--color-secondary);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);

  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
  --header-height: 72px;
}

/* ── Dark Mode ─────────────────────────────────────────────── */
[data-theme="dark"] {
  --surface-body: #0F172A;
  --surface-card: #1E293B;
  --surface-header: rgba(15, 23, 42, 0.95);
  --surface-header-scrolled: rgba(15, 23, 42, 0.98);
  --surface-footer: #020617;
  --surface-alt: #1E293B;
  --surface-code: #1E293B;
  --color-border: #334155;
  --text-heading: #F1F5F9;
  --text-body: #CBD5E1;
  --text-muted: #94A3B8;
  --text-link: #38BDF8;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-body);
  background-color: var(--surface-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ── Skip to Content ───────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  z-index: 10000;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--color-white);
}

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p {
  margin-bottom: var(--space-md);
}

.page-summary {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 800px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.mono-text {
  font-family: var(--font-mono);
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding: var(--space-4xl) 0;
}

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

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--text-inverse);
}

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--text-inverse);
}

.section--dark .section-subtitle,
.section--dark .text-muted {
  color: #94A3B8;
}

.text-center {
  text-align: center;
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.flex {
  display: flex;
  align-items: center;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--between {
  justify-content: space-between;
}

.flex--center {
  justify-content: center;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-secondary);
  color: var(--color-white);
}

.btn--primary:hover {
  background: #0096B7;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 180, 216, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn--secondary:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-primary);
}

.btn--accent:hover {
  background: #E09310;
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(244, 166, 35, 0.4);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--white:hover {
  background: #F0F4F8;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text-inverse);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  border-color: var(--color-white);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Header / Navigation ───────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--surface-header);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: var(--surface-header-scrolled);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--color-secondary);
}

.logo__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo__text span {
  color: var(--color-secondary);
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-secondary);
  background: rgba(0, 180, 216, 0.08);
}

.nav__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.nav__item:hover .nav__link svg {
  transform: rotate(180deg);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--text-body);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__dropdown a:hover {
  background: rgba(0, 180, 216, 0.08);
  color: var(--color-secondary);
}

/* Header actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--text-body);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--surface-alt);
  color: var(--color-secondary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

.theme-toggle .icon-sun,
[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--surface-alt);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-body);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-4xl);
  overflow: hidden;
  background: linear-gradient(135deg, #0A1628 0%, #0F2744 30%, #0A1628 60%, #112240 100%);
  background-size: 300% 300%;
  animation: heroGradient 12s ease infinite;
}

@keyframes heroGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(0, 180, 216, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(244, 166, 35, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(0, 180, 216, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(0, 180, 216, 0.03) 1px, transparent 1px);
  background-size: 60px 60px, 40px 40px;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 750px;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-lg);
}

.hero__label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-secondary);
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  font-size: 1.2rem;
  color: #B0C4DE;
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

/* Trust badges */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-badge {
  text-align: center;
}

.trust-badge__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.2;
}

.trust-badge__label {
  font-size: 0.85rem;
  color: #8BA4C4;
  margin-top: var(--space-xs);
}

/* Hero (inner pages) */
.hero--inner {
  min-height: auto;
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-3xl);
}

.hero--inner h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: #8BA4C4;
}

.breadcrumb a:hover {
  color: var(--color-secondary);
}

.breadcrumb__sep {
  color: #4B6A90;
}

.breadcrumb__current {
  color: var(--color-white);
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(0, 180, 216, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.card__link:hover {
  gap: var(--space-md);
}

.card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.card__link:hover svg {
  transform: translateX(4px);
}

/* Card with image */
.card--image {
  padding: 0;
  overflow: hidden;
}

.card--image .card__img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), #1a3a5c);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
  position: relative;
  overflow: hidden;
}

.card--image .card__body {
  padding: var(--space-xl);
}

/* Case study cards */
.card--case-study {
  position: relative;
}

.card__tag {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(0, 180, 216, 0.1);
  color: var(--color-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card__metric {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
}

/* Team cards */
.card--team {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
}

.card--team .card__avatar {
  width: 100px;
  height: 100px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-secondary), #0077B6);
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
}

.card--team .card__role {
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

/* ── Why Choose Us ─────────────────────────────────────────── */
.why-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
}

.why-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-secondary);
}

.why-card__icon svg {
  width: 24px;
  height: 24px;
}

.why-card__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}

.why-card__text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ── Tech Stack ────────────────────────────────────────────── */
.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 100px;
  transition: all var(--transition-base);
}

.tech-item:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tech-item svg {
  width: 32px;
  height: 32px;
  color: var(--text-muted);
}

.tech-item span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ── Testimonials ──────────────────────────────────────────── */
.testimonials {
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 500ms ease;
}

.testimonial-slide {
  flex: 0 0 100%;
  padding: 0 var(--space-lg);
}

.testimonial-card {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-2xl);
}

.testimonial-card__stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.testimonial-card__stars svg {
  width: 20px;
  height: 20px;
}

.testimonial-card__quote {
  font-size: 1.15rem;
  font-style: italic;
  line-height: 1.8;
  color: var(--text-body);
  margin-bottom: var(--space-xl);
  position: relative;
}

.testimonial-card__quote::before {
  content: '\201C';
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-secondary);
  opacity: 0.3;
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
  line-height: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-secondary), #0077B6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1.1rem;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--text-heading);
}

.testimonial-card__role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Carousel controls */
.carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.carousel-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--text-body);
  transition: all var(--transition-fast);
  background: var(--surface-card);
}

.carousel-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: rgba(0, 180, 216, 0.08);
}

.carousel-btn svg {
  width: 20px;
  height: 20px;
}

.carousel-dots {
  display: flex;
  gap: var(--space-sm);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: all var(--transition-fast);
  border: none;
}

.carousel-dot.active {
  background: var(--color-secondary);
  width: 28px;
  border-radius: 5px;
}

/* ── CTA Banner ────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #112240 100%);
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0, 180, 216, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  position: relative;
}

.cta-banner p {
  color: #8BA4C4;
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

/* ── Timeline ──────────────────────────────────────────────── */
.timeline {
  position: relative;
  padding: var(--space-xl) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-left: 60px;
  padding-bottom: var(--space-2xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  border: 3px solid var(--surface-body);
}

.timeline__year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-xs);
}

.timeline__text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 40px;
  }

  .timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 40px;
    padding-right: 0;
  }

  .timeline__dot {
    left: auto;
    right: -9px;
  }

  .timeline__item:nth-child(even) .timeline__dot {
    left: -9px;
    right: auto;
  }

  .timeline__item:nth-child(even) {
    text-align: left;
  }

  .timeline__item:nth-child(odd) {
    text-align: right;
  }
}

/* ── Stats / Counters ──────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}

.stat {
  text-align: center;
  padding: var(--space-xl);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.1;
}

.stat__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

.section--dark .stat__label {
  color: #8BA4C4;
}

/* ── FAQ Accordion ─────────────────────────────────────────── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-secondary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  text-align: left;
  background: var(--surface-card);
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-secondary);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--color-secondary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__content {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── Process Steps ─────────────────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-xl);
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: var(--space-xl);
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  counter-increment: step;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(0, 180, 216, 0.15);
  position: absolute;
  top: var(--space-md);
  right: var(--space-lg);
  line-height: 1;
}

.process-step__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
  padding-right: 3rem;
}

.process-step__text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ── Benefits Grid ─────────────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.benefit-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.benefit-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-secondary);
}

.benefit-item__icon svg {
  width: 20px;
  height: 20px;
}

.benefit-item__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-xs);
}

.benefit-item__text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Use Cases ─────────────────────────────────────────────── */
.use-cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.use-case {
  padding: var(--space-xl);
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast);
}

.use-case:hover {
  border-color: var(--color-secondary);
}

.use-case__industry {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.use-case__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
}

.use-case__text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Blog ──────────────────────────────────────────────────── */
.blog-card {
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card__img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #0A1628, #1a3a5c);
  position: relative;
}

.blog-card__category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 2px 10px;
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card__body {
  padding: var(--space-xl);
}

.blog-card__date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.blog-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.blog-card__title a {
  color: inherit;
}

.blog-card__title a:hover {
  color: var(--color-secondary);
}

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Blog post content */
.blog-post {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.blog-post__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.blog-post__author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-secondary), #0077B6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
}

.blog-post__author-name {
  font-weight: 600;
  color: var(--text-heading);
}

.blog-post__date,
.blog-post__read-time {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Blog content */
.blog-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
}

.blog-content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: 1.25rem;
}

.blog-content p {
  margin-bottom: var(--space-lg);
  line-height: 1.85;
}

.blog-content ul,
.blog-content ol {
  margin-bottom: var(--space-lg);
  padding-left: var(--space-xl);
}

.blog-content ul {
  list-style: disc;
}

.blog-content ol {
  list-style: decimal;
}

.blog-content li {
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.blog-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg) var(--space-xl);
  border-left: 4px solid var(--color-secondary);
  background: var(--surface-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-muted);
}

.blog-content strong {
  color: var(--text-heading);
}

/* Table of Contents */
.toc {
  background: var(--surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.toc__title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-md);
}

.toc__list {
  list-style: none;
}

.toc__list li {
  margin-bottom: var(--space-sm);
}

.toc__list a {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toc__list a:hover {
  color: var(--color-secondary);
}

.toc__list a::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  flex-shrink: 0;
}

/* Social share */
.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.share-buttons__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.share-btn:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: rgba(0, 180, 216, 0.08);
}

.share-btn svg {
  width: 18px;
  height: 18px;
}

/* Related posts */
.related-posts {
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.related-posts h3 {
  margin-bottom: var(--space-xl);
}

/* Blog filters */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
  background: rgba(0, 180, 216, 0.08);
}

/* ── Contact Form ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-sm);
}

.form-label .required {
  color: #EF4444;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  color: var(--text-body);
  background: var(--surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #EF4444;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.8rem;
  color: #EF4444;
  margin-top: var(--space-xs);
  display: none;
}

.form-error.visible {
  display: block;
}

.form-success {
  display: none;
  padding: var(--space-xl);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-lg);
  text-align: center;
}

.form-success.visible {
  display: block;
}

.form-success svg {
  width: 48px;
  height: 48px;
  color: var(--color-success);
  margin: 0 auto var(--space-md);
}

/* Honeypot */
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Contact info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__item {
  display: flex;
  gap: var(--space-md);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-secondary);
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
}

.contact-info__label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-info__value {
  font-weight: 600;
  color: var(--text-heading);
}

/* Map placeholder */
.map-placeholder {
  width: 100%;
  height: 300px;
  background: var(--surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Calendly placeholder */
.calendly-placeholder {
  padding: var(--space-2xl);
  background: var(--surface-alt);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.calendly-placeholder h3 {
  margin-bottom: var(--space-sm);
}

.calendly-placeholder p {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--surface-modal-overlay);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 480px;
  width: 100%;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal__close {
  float: right;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background: var(--surface-alt);
  color: var(--text-heading);
}

.modal__close svg {
  width: 20px;
  height: 20px;
}

.modal h3 {
  margin-bottom: var(--space-sm);
}

.modal p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-lg);
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  background: var(--surface-footer);
  color: #CBD5E1;
  padding-top: var(--space-4xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  max-width: 320px;
}

.footer__brand .logo {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__brand p {
  font-size: 0.9rem;
  color: #94A3B8;
  line-height: 1.7;
}

.footer__title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: 0.875rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-secondary);
}

/* Footer newsletter */
.footer__newsletter {
  margin-top: var(--space-lg);
}

.footer__newsletter-form {
  display: flex;
  gap: var(--space-sm);
}

.footer__newsletter-form input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: var(--color-white);
  outline: none;
}

.footer__newsletter-form input::placeholder {
  color: #64748B;
}

.footer__newsletter-form input:focus {
  border-color: var(--color-secondary);
}

.footer__newsletter-form button {
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.footer__newsletter-form button:hover {
  background: #0096B7;
}

/* Social icons */
.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  color: #94A3B8;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-secondary);
  color: var(--color-white);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* Footer bottom */
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xl) 0;
  font-size: 0.8rem;
  color: #64748B;
  gap: var(--space-md);
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  color: #64748B;
}

.footer__legal a:hover {
  color: var(--color-secondary);
}

/* ── Back to Top ───────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #0096B7;
  color: var(--color-white);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ── 404 Page ──────────────────────────────────────────────── */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-page h1 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: var(--space-md);
}

.error-page p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto var(--space-xl);
}

.error-page__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.error-page__links a {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--surface-alt);
  border-radius: var(--radius-md);
}

.error-page__links a:hover {
  color: var(--color-secondary);
  background: rgba(0, 180, 216, 0.08);
}

/* ── Definition Lists (for AI comprehension) ───────────────── */
.def-list dt {
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: var(--space-xs);
}

.def-list dd {
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  padding-left: var(--space-lg);
  line-height: 1.7;
}

/* ── Scroll Animations ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 500ms; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Typing Effect ─────────────────────────────────────────── */
.typing-cursor::after {
  content: '|';
  display: inline-block;
  animation: blink 0.7s step-end infinite;
  color: var(--color-secondary);
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ── Pagination ────────────────────────────────────────────── */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.pagination .active {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

/* ── Service Page Specific ─────────────────────────────────── */
.service-hero {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.service-hero__icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 180, 216, 0.15);
  border-radius: var(--radius-xl);
  color: var(--color-secondary);
  flex-shrink: 0;
}

.service-hero__icon svg {
  width: 40px;
  height: 40px;
}

/* ── Responsive Design ─────────────────────────────────────── */

/* Tablets */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .footer__brand {
    grid-column: span 2;
  }
}

/* Mobile landscape / small tablets */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  section {
    padding: var(--space-3xl) 0;
  }

  .hamburger {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background: var(--surface-card);
    padding: var(--space-lg);
    gap: 0;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 999;
  }

  .nav__list.active {
    transform: translateX(0);
  }

  .nav__link {
    padding: var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 var(--space-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  .nav__item.dropdown-open .nav__dropdown {
    max-height: 500px;
  }

  .header__cta {
    display: none;
  }

  .hero {
    min-height: 80vh;
    padding-top: calc(var(--header-height) + var(--space-xl));
  }

  .hero h1 {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    width: 100%;
    text-align: center;
  }

  .trust-badges {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .trust-badge__number {
    font-size: 1.5rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__brand {
    grid-column: auto;
    max-width: 100%;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .service-hero {
    flex-direction: column;
    text-align: center;
  }

  .blog-post__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-featured {
    grid-template-columns: 1fr !important;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.4rem; }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .stat__number {
    font-size: 2rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .use-cases {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    gap: var(--space-sm);
  }

  .tech-item {
    min-width: 80px;
    padding: var(--space-sm) var(--space-md);
  }

  .footer__newsletter-form {
    flex-direction: column;
  }

  .cta-banner {
    padding: var(--space-2xl) 0;
  }
}

/* Very small phones */
@media (max-width: 320px) {
  body {
    font-size: 0.9375rem;
  }

  .trust-badges {
    grid-template-columns: 1fr;
  }

  .btn--lg {
    padding: 0.85rem 1.5rem;
    font-size: 0.95rem;
  }
}

/* ── Print Styles ──────────────────────────────────────────── */
@media print {
  .header,
  .footer,
  .back-to-top,
  .carousel-controls,
  .cta-banner {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}

/* ── Focus Styles (Accessibility) ──────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* ── Reduced Motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}