/* ============================================
   ByteLotus — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand colours */
  --color-primary: #0D9488;
  --color-primary-dark: #0F766E;
  --color-primary-light: #14B8A6;
  --color-accent: #10B981;
  --color-accent-light: #34D399;

  /* Neutrals */
  --color-bg: #FAFAFA;
  --color-bg-dark: #0B1120;
  --color-bg-card: #FFFFFF;
  --color-text: #1E293B;
  --color-text-secondary: #64748B;
  --color-text-light: #94A3B8;
  --color-border: #E2E8F0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0D9488 0%, #10B981 100%);
  --gradient-hero: linear-gradient(160deg, #0B1120 0%, #0F2027 30%, #0D9488 100%);
  --gradient-card: linear-gradient(135deg, rgba(13,148,136,0.05) 0%, rgba(16,185,129,0.05) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 50px -12px rgba(0,0,0,0.15);
  --shadow-glow: 0 0 40px rgba(13,148,136,0.2);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;

  /* 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: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-light); }

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

ul { list-style: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,0.5);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--color-text);
  text-decoration: none;
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav-brand span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

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

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 72px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 160%;
  background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -20%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(13,148,136,0.1) 0%, transparent 60%);
  animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
  from { transform: translate(0, 0) scale(1); opacity: 0.7; }
  to   { transform: translate(30px, -20px) scale(1.1); opacity: 1; }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content { animation: fadeInUp 0.8s ease-out; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  color: var(--color-accent-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: #FFFFFF;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

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

.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.7);
  max-width: 500px;
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.8s ease-out 0.2s both;
}

.hero-image img {
  max-width: 420px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.3));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(13,148,136,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(13,148,136,0.4);
  color: #FFFFFF;
}

.btn-outline {
  background: rgba(255,255,255,0.06);
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--color-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: #FFFFFF;
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
  padding: var(--space-4xl) 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto var(--space-3xl);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background: rgba(13,148,136,0.08);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(13,148,136,0.2);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(13,148,136,0.1);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, #F0FDF9 0%, var(--color-bg) 100%);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-2xl);
  counter-reset: step-counter;
}

.step-card {
  text-align: center;
  position: relative;
  padding: var(--space-xl);
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  box-shadow: 0 4px 15px rgba(13,148,136,0.25);
}

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

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.93rem;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  padding: var(--space-4xl) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(16,185,129,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: #FFFFFF;
  margin-bottom: var(--space-md);
}

.cta-content p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.store-btn:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.store-btn svg {
  width: 22px;
  height: 22px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.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(255,255,255,0.08);
}

.footer-brand .nav-brand {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 280px;
  line-height: 1.7;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

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

.footer-col a {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-accent-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-xl);
  font-size: 0.85rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.55);
}
.footer-bottom a:hover { color: var(--color-accent-light); }

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: 160px 0 80px;
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 50%;
  height: 160%;
  background: radial-gradient(circle, rgba(16,185,129,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #FFFFFF;
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.page-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ============================================
   ABOUT PAGE
   ============================================ */
.about-section {
  padding: var(--space-4xl) 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: var(--space-lg);
}

.about-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 1.02rem;
}

.about-image {
  display: flex;
  justify-content: center;
}

.about-image img {
  max-width: 360px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.values-section {
  padding: var(--space-4xl) 0;
  background: linear-gradient(180deg, #F0FDF9 0%, var(--color-bg) 100%);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.value-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
}

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

.value-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-card);
  border: 1px solid rgba(13,148,136,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: var(--space-lg);
}

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

.value-card p {
  color: var(--color-text-secondary);
  font-size: 0.93rem;
}

/* ============================================
   CONTACT PAGE
   ============================================ */
.contact-section {
  padding: var(--space-4xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

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

.contact-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid rgba(13,148,136,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.contact-item p,
.contact-item a {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

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

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

/* ============================================
   PRIVACY POLICY PAGE
   ============================================ */
.policy-section {
  padding: var(--space-4xl) 0;
}

.policy-content {
  max-width: 800px;
  margin: 0 auto;
}

.policy-content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid rgba(13,148,136,0.15);
}

.policy-content h3 {
  font-size: 1.15rem;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-primary-dark);
}

.policy-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  font-size: 0.97rem;
}

.policy-content ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-md);
}

.policy-content li {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
  line-height: 1.7;
}

.policy-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.policy-updated {
  display: inline-block;
  background: rgba(13,148,136,0.08);
  color: var(--color-primary-dark);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: var(--space-2xl);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   APP BADGES STRIP
   ============================================ */
.app-platforms {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  font-weight: 500;
}

.platform-badge svg {
  width: 18px;
  height: 18px;
  opacity: 0.6;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero p { margin: 0 auto var(--space-2xl); }
  .hero-buttons { justify-content: center; }
  .hero-image { order: -1; }
  .hero-image img { max-width: 300px; }

  .about-grid { grid-template-columns: 1fr; text-align: center; }
  .about-image { order: -1; }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .app-platforms { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #FFFFFF;
    flex-direction: column;
    padding: 100px var(--space-2xl) var(--space-2xl);
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: right var(--transition-base);
    gap: var(--space-lg);
  }

  .nav-links.open { right: 0; }

  .nav-toggle { display: flex; }

  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-image img { max-width: 250px; }

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

  .form-row { grid-template-columns: 1fr; }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-md); }
  .hero h1 { font-size: 1.8rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
}