/* ==========================================================================
   WEBREV - GLOBAL STYLESHEET (globals.css)
   Sleek, High-End Professional Corporate Theme for US & International Clients
   ========================================================================== */

:root {
  /* Color Palette - Premium Obsidian Navy & Royal Sapphire */
  --bg-dark: #090d16;
  --bg-surface: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #26354a;
  --bg-glass: rgba(15, 23, 42, 0.85);

  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(72, 149, 239, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-royal: #4895ef;
  --accent-amber: #f59e0b;

  /* Typography */
  --font-heading: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Radii & Transitions */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 80% 85%, rgba(72, 149, 239, 0.04) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Typography Helpers */
h1, h2, h3, h4, .brand-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

p {
  color: var(--text-muted);
}

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

/* Utility Containers */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-padding {
  padding: 100px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 65px 0;
  }
}

/* Section Header Badges & Titles */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--accent-royal);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 18px;
  color: #ffffff;
}

.section-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  max-width: 680px;
  line-height: 1.65;
  color: var(--text-muted);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-royal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Header Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: var(--transition-normal);
  background: transparent;
}

.header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.6rem;
  color: #ffffff;
}

.logo span.badge {
  font-size: 0.72rem;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-royal);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.nav-links a:hover {
  color: #ffffff;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-surface);
  z-index: 101;
  padding: 80px 30px 40px;
  transition: right 0.4s ease;
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.mobile-nav-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav-links a {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Hero Section */
.hero {
  padding-top: 160px;
  padding-bottom: 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero-content {
  max-width: 620px;
}

.hero-title {
  font-size: clamp(2.6rem, 5vw, 4rem);
  margin-bottom: 24px;
  color: #ffffff;
}

.hero-description {
  font-size: 1.15rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.stat-item .stat-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-royal);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Hero Visual Card */
.hero-mockup-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
}

.mockup-url {
  font-size: 0.8rem;
  color: var(--text-dim);
  background: rgba(0,0,0,0.3);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  flex-grow: 1;
  text-align: center;
}

.mockup-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

/* Services & Capabilities Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 50px;
}

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  color: var(--accent-royal);
}

.service-card h3 {
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Portfolio Section */
.portfolio-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.portfolio-display {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.portfolio-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.portfolio-info h3 {
  font-size: 1.8rem;
  color: #ffffff;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}

.feature-list li .icon {
  color: var(--accent-royal);
  font-weight: bold;
}

.portfolio-preview-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.portfolio-preview-box img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}

/* Why Choose Webrev Grid */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.trust-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 24px;
}

.trust-card h4 {
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 10px;
}

.trust-card p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Clean Leadership Team Cards (No Phone Numbers, Professional Focus) */
.founders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.founder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition-normal);
}

.founder-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
}

.founder-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-royal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 18px;
  color: #ffffff;
  overflow: hidden;
  border: 2px solid var(--border-focus);
}

.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-name {
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.founder-role {
  font-size: 0.88rem;
  color: var(--accent-royal);
  font-weight: 600;
  margin-bottom: 12px;
}

.founder-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Process Timeline */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.process-step {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-royal);
  margin-bottom: 12px;
}

.process-step h4 {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.88rem;
  line-height: 1.5;
}

/* FAQ Section */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 40px auto 0;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--accent-royal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* CTA Box */
.cta-box {
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(59, 130, 246, 0.08) 100%);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
}

.cta-box h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin-bottom: 16px;
  color: #ffffff;
}

.cta-box p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  background: #050811;
  padding: 40px 0;
  border-top: 1px solid var(--border-light);
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.byline {
  color: var(--text-muted);
  font-weight: 500;
}

.byline span {
  color: var(--accent-royal);
}

/* Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .services-grid, .trust-grid, .founders-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .portfolio-display {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .portfolio-preview-box {
    order: -1;
  }

  .portfolio-preview-box img {
    height: 240px;
  }

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

@media (max-width: 860px) {
  .container {
    width: 92%;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero {
    padding-top: 130px;
    padding-bottom: 70px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .portfolio-tabs {
    gap: 8px;
  }

  .tab-btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .cta-box {
    padding: 40px 24px;
  }

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

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .section-tag {
    font-size: 0.75rem;
    padding: 5px 12px;
  }

  .btn {
    padding: 13px 22px;
    font-size: 0.92rem;
  }

  .hero-mockup-card {
    padding: 16px;
  }

  .service-card, .trust-card, .founder-card, .process-step {
    padding: 24px 20px;
  }

  .portfolio-display {
    padding: 20px;
  }

  .portfolio-preview-box img {
    height: 200px;
  }

  .portfolio-info h3 {
    font-size: 1.4rem;
  }

  .founder-avatar {
    width: 76px;
    height: 76px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }

  .faq-answer {
    padding: 0 18px;
  }

  .faq-item.active .faq-answer {
    padding: 0 18px 16px;
  }

  .cta-box h2 {
    font-size: 1.7rem;
  }

  .cta-box p {
    font-size: 1rem;
  }

  .mobile-nav {
    width: 100%;
    max-width: none;
  }
}