/* style.css - Pro Dark Theme Apple-Style */

:root {
  --bg-color: #000000;
  --bg-secondary: #0f0f10;
  --text-primary: #f5f5f7;
  --text-secondary: #86868b;
  --accent-color: #2997ff;
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(20, 20, 20, 0.7);
  
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 12px;
  --sp-lg: 16px;
  --sp-xl: 24px;
  --sp-2xl: 32px;
  --sp-3xl: 48px;
  --sp-4xl: 64px;
  --sp-5xl: 120px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #38bdf8;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-2xl);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo svg {
  width: 24px;
  height: 24px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--sp-xl);
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
}

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

.cta-header-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-header-btn:hover {
  background: var(--text-primary);
  color: var(--bg-color);
}

/* Typography & Hero */
.hero {
  padding-top: calc(60px + var(--sp-5xl));
  padding-bottom: var(--sp-5xl);
  text-align: center;
}

.hero h1 {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: var(--sp-xl);
}

.hero h1 span.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--sp-3xl);
  font-weight: 400;
  letter-spacing: -0.2px;
}

.badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--sp-xl);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Buttons */
.hero-ctas {
  display: flex;
  gap: var(--sp-lg);
  justify-content: center;
  margin-bottom: var(--sp-5xl);
}

.btn-primary, .btn-secondary {
  padding: 16px 32px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
}

.btn-primary:hover, .btn-secondary:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

/* Sections - Alternating */
.feature-section {
  padding: var(--sp-5xl) 0;
  border-top: 1px solid var(--border-color);
}

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

.split-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4xl);
}

.split-layout.reverse {
  flex-direction: row-reverse;
}

.split-text {
  flex: 1;
  max-width: 450px;
}

.split-text h2 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--sp-lg);
  letter-spacing: -1px;
}

.split-text p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-xl);
}

.split-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Promo Image Showcase */
.promo-image {
  width: 100%;
  max-width: 320px;
  border-radius: 28px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255,255,255,0.05);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--bg-secondary);
}

.promo-image img {
  width: 100%;
  height: auto;
  display: block;
}

.promo-image:hover {
  transform: translateY(-8px);
}

/* Sub-pages specific styles */
.page-container {
  max-width: 800px;
  margin: calc(60px + var(--sp-4xl)) auto var(--sp-5xl);
  padding: 0 var(--sp-2xl);
}

.page-container h1 {
  font-size: 2.5rem;
  margin-bottom: var(--sp-xl);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--sp-lg);
}

.page-container h2 {
  font-size: 1.5rem;
  margin: var(--sp-2xl) 0 var(--sp-lg);
}

.page-container p, .page-container li {
  color: var(--text-secondary);
  margin-bottom: var(--sp-md);
  line-height: 1.6;
}

.page-container ul {
  padding-left: var(--sp-xl);
  margin-bottom: var(--sp-xl);
}

.page-container a:not(.btn-primary):not(.doc-back-link) {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-container a:not(.btn-primary):not(.doc-back-link):hover {
  color: var(--accent-color);
}

/* Support Form */
.support-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  margin-top: var(--sp-2xl);
}

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

.form-group label {
  font-weight: 500;
  font-size: 0.9rem;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: rgba(255,255,255,0.05);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xl);
  margin-top: var(--sp-2xl);
}

.faq-item h3 {
  font-size: 1.1rem;
  margin-bottom: var(--sp-xs);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: var(--sp-3xl) 0;
  background-color: var(--bg-secondary);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2xl);
}

.footer-links {
  display: flex;
  list-style: none;
  gap: var(--sp-xl);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.copyright {
  margin-top: var(--sp-2xl);
  padding-top: var(--sp-xl);
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-align: center;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.hero-phone {
  margin: 0 auto;
  margin-top: var(--sp-2xl);
  transform: translateY(60px);
  opacity: 0;
  animation: floatUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .split-layout, .split-layout.reverse {
    flex-direction: column;
    text-align: center;
  }
  
  .split-text {
    max-width: 100%;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .footer-grid {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .phone-mockup {
    width: 280px;
    height: 600px;
  }
}