/* ============================================================
   ROBOTIK KODLAMA SETİ — Design System
   Akıllı Zeka - Akıllı Teknoloji Ltd. Şti.
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700;800&family=Nunito+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  /* Primary palette */
  --clr-primary-950: #060d1b;
  --clr-primary-900: #0b1220;
  --clr-primary-800: #1e3a8a;
  --clr-primary-700: #1d4ed8;
  --clr-primary-600: #2563eb;
  --clr-primary-500: #3b82f6;
  --clr-primary-400: #60a5fa;
  --clr-primary-300: #93c5fd;
  --clr-primary-200: #bfdbfe;
  --clr-primary-100: #dbeafe;

  /* Accent */
  --clr-accent-orange: #f97316;
  --clr-accent-orange-light: #fb923c;
  --clr-accent-yellow: #facc15;
  --clr-accent-green: #22c55e;
  --clr-accent-green-dark: #16a34a;
  --clr-pcb-green: #4ade80;

  /* Model 1 (4-7 yaş) */
  --clr-m1-primary: #0ea5e9;
  --clr-m1-secondary: #fde68a;
  --clr-m1-accent: #fb7185;
  --clr-m1-bg: #f0f9ff;
  --clr-m1-border: #bae6fd;

  /* Model 2 (7-13 yaş) */
  --clr-m2-primary: #1e3a8a;
  --clr-m2-accent: #22c55e;
  --clr-m2-tech: #6b7280;
  --clr-m2-bg: #f8fafc;
  --clr-m2-border: #1e3a8a22;

  /* Neutrals */
  --clr-white: #ffffff;
  --clr-gray-50: #f8fafc;
  --clr-gray-100: #f1f5f9;
  --clr-gray-200: #e2e8f0;
  --clr-gray-300: #cbd5e1;
  --clr-gray-400: #94a3b8;
  --clr-gray-500: #64748b;
  --clr-gray-600: #475569;
  --clr-gray-700: #334155;
  --clr-gray-800: #1e293b;
  --clr-gray-900: #0f172a;

  /* Typography */
  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Nunito Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.4), 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-glow-orange: 0 0 20px rgba(249, 115, 22, 0.4), 0 0 40px rgba(249, 115, 22, 0.15);
  --shadow-glow-green: 0 0 20px rgba(34, 197, 94, 0.4), 0 0 40px rgba(34, 197, 94, 0.15);

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

  /* Container */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-padding: clamp(1rem, 5vw, 2rem);

  /* Nav height */
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ── Typography Scale ──────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-gray-900);
}

.display-1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
}

.display-2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
}

h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

.lead {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.7;
  color: var(--clr-gray-600);
}

.caption {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
}

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

/* ── Layout Utilities ──────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-20);
}

.section--lg {
  padding-block: var(--space-32);
}

.section--sm {
  padding-block: var(--space-12);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: var(--space-6);
}

.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: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

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

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

/* ── Section Headers ───────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary-600);
  background: var(--clr-primary-100);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header .lead {
  max-width: 600px;
  margin-inline: auto;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary-600), var(--clr-primary-800));
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-blue);
}

.btn--accent {
  background: linear-gradient(135deg, var(--clr-accent-orange), #ea580c);
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.35);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-orange);
}

.btn--outline {
  background: transparent;
  color: var(--clr-primary-600);
  border: 2px solid var(--clr-primary-300);
}

.btn--outline:hover {
  background: var(--clr-primary-100);
  border-color: var(--clr-primary-500);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--clr-white);
  color: var(--clr-primary-800);
  box-shadow: var(--shadow-lg);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn--m1 {
  background: linear-gradient(135deg, var(--clr-m1-primary), #0284c7);
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.35);
}

.btn--m1:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(14, 165, 233, 0.5);
}

.btn--m2 {
  background: linear-gradient(135deg, var(--clr-accent-green), var(--clr-accent-green-dark));
  color: var(--clr-white);
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.35);
}

.btn--m2:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-green);
}

.btn--lg {
  padding: 1rem var(--space-8);
  font-size: 1.125rem;
}

.btn--sm {
  padding: 0.625rem var(--space-4);
  font-size: 0.875rem;
}

/* ── Badge / Pill ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.badge--blue {
  background: var(--clr-primary-100);
  color: var(--clr-primary-700);
}

.badge--orange {
  background: #fff7ed;
  color: #c2410c;
}

.badge--green {
  background: #f0fdf4;
  color: var(--clr-accent-green-dark);
}

.badge--yellow {
  background: #fefce8;
  color: #a16207;
}

.badge--teal {
  background: #f0f9ff;
  color: #0369a1;
}

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-300);
}

.card--dark {
  background: var(--clr-primary-900);
  border-color: var(--clr-primary-800);
  color: var(--clr-white);
}

.card--dark h3,
.card--dark h4 {
  color: var(--clr-white);
}

.card--dark:hover {
  border-color: var(--clr-primary-500);
}

/* ── PCB Background Pattern ────────────────────────────────── */
.pcb-bg {
  position: relative;
  overflow: hidden;
}

.pcb-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 2px 2px, rgba(59, 130, 246, 0.08) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.pcb-bg>* {
  position: relative;
  z-index: 1;
}

/* ── Navbar ────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

#navbar.scrolled {
  background: rgba(11, 18, 32, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--clr-primary-600), var(--clr-primary-800));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-glow-blue);
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-logo-text .brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--clr-white);
  line-height: 1.1;
}

.nav-logo-text .brand-sub {
  font-size: 0.65rem;
  color: var(--clr-primary-400);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  line-height: 1;
}

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

.nav-link {
  color: var(--clr-gray-300);
  font-size: 0.9rem;
  font-weight: 600;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.08);
}

/* Dropdown */
.nav-item {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 220px;
  background: var(--clr-primary-900);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-xl);
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--clr-gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-dropdown a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--clr-white);
}

.nav-dropdown .dd-icon {
  font-size: 1.1rem;
}

.nav-cta {
  margin-left: var(--space-4);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

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

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

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

/* Mobile nav */
@media (max-width: 900px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--clr-primary-950);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    gap: var(--space-2);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    max-height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.04);
    margin-top: var(--space-1);
    border: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
  }

  .nav-link {
    padding: var(--space-3) var(--space-4);
  }
}

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--clr-primary-950) 0%, #112240 50%, #0b1220 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-pcb {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: 20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.12) 0%, transparent 70%);
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite reverse;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding-block: var(--space-20);
  position: relative;
  z-index: 1;
}

.hero-content {}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--clr-primary-400);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
}

.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--clr-primary-400);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

.hero h1 {
  color: var(--clr-white);
  margin-bottom: var(--space-6);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  color: var(--clr-gray-300);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
}

.hero-stat {}

.hero-stat .stat-number {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-white);
}

.hero-stat .stat-label {
  font-size: 0.8rem;
  color: var(--clr-gray-400);
  font-family: var(--font-mono);
}

.hero-visual {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), var(--shadow-glow-blue);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Floating badges on hero */
.hero-badge {
  position: absolute;
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-xl);
  animation: float 4s ease-in-out infinite;
}

.hero-badge--1 {
  bottom: 10%;
  left: -8%;
  animation-delay: 0s;
}

.hero-badge--2 {
  bottom: 12%;
  right: -5%;
  animation-delay: 2s;
}

.hero-badge .badge-icon {
  font-size: 1.5rem;
}

.hero-badge .badge-text {}

.hero-badge .badge-text strong {
  display: block;
  color: var(--clr-white);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-badge .badge-text span {
  color: var(--clr-gray-400);
  font-size: 0.75rem;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
    text-align: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-badge--1 {
    bottom: 5%;
    left: 0;
  }

  .hero-badge--2 {
    bottom: 5%;
    right: 0;
  }
}

/* ── Trust Bar ─────────────────────────────────────────────── */
.trust-bar {
  background: var(--clr-primary-900);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-block: var(--space-6);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-6) var(--space-10);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--clr-gray-300);
}

.trust-item .ti-icon {
  font-size: 1.5rem;
}

.trust-item .ti-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.trust-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 600px) {
  .trust-divider {
    display: none;
  }
}

/* ── Model Cards (Home) ──────────────────────────────────────── */
.models-section {
  background: var(--clr-gray-50);
  padding-block: var(--space-24);
}

.model-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.model-card {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  position: relative;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-lg);
}

.model-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.model-card--m1 {
  background: linear-gradient(160deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 2px solid var(--clr-m1-border);
}

.model-card--m2 {
  background: linear-gradient(160deg, var(--clr-primary-900) 0%, #112240 100%);
  border: 2px solid rgba(34, 197, 94, 0.2);
}

.mc-header {
  padding: var(--space-8);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.mc-age-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
}

.model-card--m1 .mc-age-badge {
  background: var(--clr-m1-primary);
  color: #fff;
}

.model-card--m2 .mc-age-badge {
  background: var(--clr-accent-green);
  color: #fff;
}

.mc-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.model-card--m1 .mc-label {
  color: var(--clr-m1-primary);
}

.model-card--m2 .mc-label {
  color: var(--clr-accent-green);
}

.mc-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.model-card--m1 .mc-title {
  color: var(--clr-primary-900);
}

.model-card--m2 .mc-title {
  color: var(--clr-white);
}

.mc-desc {
  font-size: 0.95rem;
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.model-card--m1 .mc-desc {
  color: var(--clr-gray-600);
}

.model-card--m2 .mc-desc {
  color: var(--clr-gray-400);
}

.mc-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.mc-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
}

.model-card--m1 .mc-feature {
  color: var(--clr-gray-700);
}

.model-card--m2 .mc-feature {
  color: var(--clr-gray-300);
}

.mc-feature .feat-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.model-card--m1 .mc-feature .feat-icon {
  background: rgba(14, 165, 233, 0.15);
}

.model-card--m2 .mc-feature .feat-icon {
  background: rgba(34, 197, 94, 0.15);
}

.mc-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: top center;
}

.mc-footer {
  padding: var(--space-6) var(--space-8);
}

/* ── Why Section ───────────────────────────────────────────── */
.why-section {
  background: var(--clr-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

.why-card {
  background: var(--clr-gray-50);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.why-card:hover {
  background: var(--clr-primary-900);
  border-color: var(--clr-primary-700);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.why-card:hover h3 {
  color: var(--clr-white);
}

.why-card:hover p {
  color: var(--clr-gray-400);
}

.why-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  transition: all var(--transition-base);
}

.why-card:nth-child(1) .why-icon {
  background: rgba(59, 130, 246, 0.1);
}

.why-card:nth-child(2) .why-icon {
  background: rgba(249, 115, 22, 0.1);
}

.why-card:nth-child(3) .why-icon {
  background: rgba(34, 197, 94, 0.1);
}

.why-card:nth-child(4) .why-icon {
  background: rgba(250, 204, 21, 0.15);
}

.why-card:hover .why-icon {
  background: rgba(255, 255, 255, 0.1);
}

.why-card h3 {
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--clr-gray-600);
  line-height: 1.6;
}

/* ── Parent Message ─────────────────────────────────────────── */
.parent-section {
  background: linear-gradient(135deg, var(--clr-primary-900) 0%, #112240 100%);
  position: relative;
  overflow: hidden;
}

.parent-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.parent-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  position: relative;
  z-index: 1;
}

.parent-content {}

.parent-content .eyebrow-white {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-primary-300);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.parent-content h2 {
  color: var(--clr-white);
  margin-bottom: var(--space-6);
}

.parent-content p {
  color: var(--clr-gray-300);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.parent-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--clr-primary-400);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--transition-fast);
}

.parent-link:hover {
  gap: var(--space-3);
  color: var(--clr-primary-300);
}

.parent-mascot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.mascot-img {
  width: 200px;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(59, 130, 246, 0.3));
  animation: float 4s ease-in-out infinite;
}

.mascot-bubble {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  border-bottom-left-radius: 0;
  padding: var(--space-4) var(--space-5);
  color: var(--clr-gray-200);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 280px;
  position: relative;
}

@media (max-width: 768px) {
  .parent-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .parent-mascot {
    flex-direction: row;
    align-items: flex-start;
  }
}

/* ── Project Gallery Preview ────────────────────────────────── */
.gallery-preview {
  background: var(--clr-gray-50);
}

.project-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.project-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.project-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--clr-primary-800), var(--clr-primary-900));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.project-card-body {
  padding: var(--space-5) var(--space-6);
}

.project-card-body h4 {
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

.project-card-body p {
  font-size: 0.85rem;
  color: var(--clr-gray-500);
  margin-bottom: var(--space-4);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── CTA Strip ──────────────────────────────────────────────── */
.cta-strip {
  background: linear-gradient(135deg, var(--clr-accent-orange) 0%, #dc2626 100%);
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 500px;
  height: 300px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  position: relative;
  z-index: 1;
}

.cta-text h2 {
  color: var(--clr-white);
  margin-bottom: var(--space-2);
}

.cta-text p {
  color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  background: var(--clr-primary-950);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 540px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-brand {}

.footer-brand .brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-brand .brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--clr-primary-600), var(--clr-primary-800));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.footer-brand .brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--clr-white);
}

.footer-brand p {
  color: var(--clr-gray-500);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--clr-gray-400);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.social-link:hover {
  background: var(--clr-primary-800);
  border-color: var(--clr-primary-600);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.footer-col h4 {
  color: var(--clr-gray-200);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  color: var(--clr-gray-500);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--clr-gray-200);
}

.footer-bottom {
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-powered {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--clr-gray-600);
  letter-spacing: 0.05em;
  text-align: center;
}

.footer-powered strong {
  color: var(--clr-primary-400);
}

/* ── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(160deg, var(--clr-primary-950) 0%, #112240 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 2px 2px, rgba(59, 130, 246, 0.07) 1px, transparent 0);
  background-size: 40px 40px;
}

.page-hero>* {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--clr-white);
  margin-bottom: var(--space-4);
}

.page-hero .lead {
  color: var(--clr-gray-400);
  max-width: 600px;
  margin-inline: auto;
}

/* ── Model 1 Specific ───────────────────────────────────────── */
.m1-hero {
  background: linear-gradient(160deg, #0c4a6e 0%, #075985 50%, #0ea5e9 100%);
}

.m1-theme .section-header .eyebrow {
  color: var(--clr-m1-primary);
  background: rgba(14, 165, 233, 0.1);
}

.m1-theme h2.accent {
  color: var(--clr-m1-primary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: var(--space-6);
}

.step-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--clr-white);
  border-radius: var(--radius-2xl);
  border: 2px solid var(--clr-gray-100);
  position: relative;
  transition: all var(--transition-base);
}

.step-card:hover {
  border-color: var(--clr-m1-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--clr-m1-primary), #0284c7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--clr-white);
  margin-inline: auto;
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}

.step-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.step-card p {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
}

/* ── Model 2 Specific ───────────────────────────────────────── */
.m2-hero {
  background: linear-gradient(160deg, #0b1220 0%, #0f2027 50%, #071a12 100%);
}

.m2-theme .section-header .eyebrow {
  color: var(--clr-accent-green);
  background: rgba(34, 197, 94, 0.1);
}

.tech-card {
  background: var(--clr-primary-900);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.tech-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.1);
  transform: translateY(-4px);
}

.tech-card h3 {
  color: var(--clr-white);
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.tech-card p {
  color: var(--clr-gray-400);
  font-size: 0.875rem;
}

.tech-card .tc-icon {
  width: 48px;
  height: 48px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
}

/* ── Code Block ──────────────────────────────────────────────── */
.code-block {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  overflow-x: auto;
}

.code-block pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: #e6edf3;
}

.code-kw {
  color: #ff7b72;
}

.code-type {
  color: #79c0ff;
}

.code-fn {
  color: #d2a8ff;
}

.code-str {
  color: #a5d6ff;
}

.code-num {
  color: #79c0ff;
}

.code-comment {
  color: #8b949e;
  font-style: italic;
}

/* ── Sensor List ─────────────────────────────────────────────── */
.sensor-category {
  margin-bottom: var(--space-10);
}

.sensor-category h3 {
  font-size: 1rem;
  font-family: var(--font-mono);
  color: var(--clr-primary-600);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--clr-gray-200);
}

.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: var(--space-4);
}

.sensor-item {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: all var(--transition-fast);
}

.sensor-item:hover {
  border-color: var(--clr-primary-400);
  box-shadow: var(--shadow-md);
}

.sensor-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.sensor-info h4 {
  font-size: 0.9rem;
  margin-bottom: var(--space-1);
  color: var(--clr-gray-800);
}

.sensor-info p {
  font-size: 0.8rem;
  color: var(--clr-gray-500);
  line-height: 1.4;
}

/* ── How It Works ───────────────────────────────────────────── */
.how-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: var(--space-4);
  align-items: center;
  margin-block: var(--space-12);
}

.flow-step {
  text-align: center;
  padding: var(--space-8);
  background: var(--clr-white);
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.flow-step:hover {
  border-color: var(--clr-primary-500);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.flow-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.flow-step h3 {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
}

.flow-step p {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--clr-primary-400);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .how-flow {
    grid-template-columns: 1fr;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* ── Why Coding (Rich Content) ──────────────────────────────── */
.benefit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-5);
}

.benefit-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  display: flex;
  gap: var(--space-4);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary-300);
}

.benefit-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.benefit-card:nth-child(1) .benefit-icon-box {
  background: rgba(59, 130, 246, 0.1);
}

.benefit-card:nth-child(2) .benefit-icon-box {
  background: rgba(249, 115, 22, 0.1);
}

.benefit-card:nth-child(3) .benefit-icon-box {
  background: rgba(34, 197, 94, 0.1);
}

.benefit-card:nth-child(4) .benefit-icon-box {
  background: rgba(250, 204, 21, 0.1);
}

.benefit-card:nth-child(5) .benefit-icon-box {
  background: rgba(168, 85, 247, 0.1);
}

.benefit-card:nth-child(6) .benefit-icon-box {
  background: rgba(236, 72, 153, 0.1);
}

.benefit-card:nth-child(7) .benefit-icon-box {
  background: rgba(20, 184, 166, 0.1);
}

.benefit-card:nth-child(8) .benefit-icon-box {
  background: rgba(239, 68, 68, 0.1);
}

.benefit-text h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.benefit-text p {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
  line-height: 1.5;
}

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--clr-primary-400);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--clr-gray-800);
  transition: color var(--transition-fast);
}

.faq-item.open .faq-question {
  color: var(--clr-primary-700);
}

.faq-chevron {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  color: var(--clr-gray-400);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--clr-primary-500);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
  padding: 0 var(--space-6);
  color: var(--clr-gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: var(--space-5);
}

/* ── Contact Form ───────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--clr-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem var(--space-4);
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ── B2B Section ─────────────────────────────────────────────── */
.b2b-perks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: var(--space-6);
}

.perk-card {
  background: var(--clr-primary-900);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.perk-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.perk-card .perk-icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
}

.perk-card h3 {
  color: var(--clr-white);
  margin-bottom: var(--space-3);
  font-size: 1.1rem;
}

.perk-card p {
  color: var(--clr-gray-400);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ── Stat Cards ──────────────────────────────────────────────── */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: var(--space-6);
  margin-block: var(--space-10);
}

.stat-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

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

.stat-card .sc-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--clr-primary-700);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card .sc-label {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

@keyframes led-on {

  0%,
  100% {
    box-shadow: 0 0 4px currentColor;
  }

  50% {
    box-shadow: 0 0 16px currentColor, 0 0 32px currentColor;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

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

.reveal--delay-1 {
  transition-delay: 0.1s;
}

.reveal--delay-2 {
  transition-delay: 0.2s;
}

.reveal--delay-3 {
  transition-delay: 0.3s;
}

.reveal--delay-4 {
  transition-delay: 0.4s;
}

/* ── Misc Utilities ──────────────────────────────────────────── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-gray-200), transparent);
  margin-block: var(--space-10);
}

.divider--dark {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
}

.highlight-box {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(59, 130, 246, 0.02));
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.source-note {
  font-size: 0.8rem;
  color: var(--clr-gray-400);
  font-style: italic;
  padding: var(--space-4);
  background: var(--clr-gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--clr-gray-300);
  margin-top: var(--space-8);
}

/* ── Responsive Tweaks ───────────────────────────────────────── */
@media (max-width: 600px) {
  .btn--lg {
    padding: 0.875rem var(--space-6);
    font-size: 1rem;
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .hero-stat .stat-number {
    font-size: 1.4rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}



/* ---------- contact ---------- */
.contact {
  background: var(--surface);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-msg h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
  margin-bottom: 16px;
}

.contact-msg p {
  color: rgba(255, 255, 255, .7);
  font-size: 15.5px;
  max-width: 42ch;
}

.contact-chip-row {
  display: flex;
  gap: 12px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.chip {
  background: var(--surface-2);
  border: 1px solid var(--line-dark);
  border-radius: 9px;
  padding: 10px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, .75);
}

form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
}

.field input,
.field select,
.field textarea {
  background: var(--surface-2);
  border: 1px solid var(--line-dark);
  border-radius: 8px;
  padding: 12px 14px;
  color: #fff;
  font-family: inherit;
  font-size: 14.5px;
}

.field textarea {
  resize: vertical;
  min-height: 90px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

@media(max-width:900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}