/* ============================================================
   TECHNOOCEAN DESIGN SYSTEM — Layout & Responsive Utilities
   ============================================================ */

/* ----------------------------------------------------------
   Section
   ---------------------------------------------------------- */
.section {
  padding: var(--space-4xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
}

@media (max-width: 576px) {
  .section {
    padding: var(--space-2xl) 0;
  }
}

/* ----------------------------------------------------------
   Section Header
   ---------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-3xl);
}

.section-header .section-badge {
  display: inline-block;
  margin-bottom: var(--space-md);
  padding: 0.35rem 1rem;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: rgb(var(--color-primary-rgb) / 0.08);
  border-radius: var(--radius-full);
}

.section-header h2 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ----------------------------------------------------------
   CSS Grid Layouts
   ---------------------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

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

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 576px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Auto-fit variant */
.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-xl);
}

/* ----------------------------------------------------------
   Flexbox Utilities
   ---------------------------------------------------------- */
.flex {
  display: flex;
}

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

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

.flex-col {
  display: flex;
  flex-direction: column;
}

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

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

/* ----------------------------------------------------------
   Navbar
   ---------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-fixed);
  display: flex;
  align-items: center;
  transition: background var(--transition-base), box-shadow var(--transition-base),
              backdrop-filter var(--transition-base), -webkit-backdrop-filter var(--transition-base);
}

.navbar.transparent {
  background: transparent;
}

.navbar.scrolled,
.navbar.solid {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-brand img {
  height: 2.25rem;
  width: auto;
}

/* Light navbar (for dark backgrounds) */
.navbar.navbar-light .navbar-brand,
.navbar.navbar-light .navbar-link {
  color: #fff;
}

.navbar.navbar-light.scrolled .navbar-brand,
.navbar.navbar-light.scrolled .navbar-link {
  color: var(--color-text);
}

.navbar-nav {
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

@media (min-width: 992px) {
  .navbar-nav {
    display: flex;
  }
}

.navbar-link {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar-link:hover {
  color: var(--color-primary);
  background: rgb(var(--color-primary-rgb) / 0.05);
}

.navbar-link.active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.navbar-nav .btn {
  margin-left: var(--space-sm);
}

/* ----------------------------------------------------------
   Mobile Menu Toggle
   ---------------------------------------------------------- */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2rem;
  height: 2rem;
  padding: 0;
  cursor: pointer;
  background: none;
  border: none;
}

@media (min-width: 992px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.navbar.navbar-light .mobile-menu-toggle span {
  background: #fff;
}

.navbar.navbar-light.scrolled .mobile-menu-toggle span {
  background: var(--color-text);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav panel */
@media (max-width: 991px) {
  .navbar-nav.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border);
    animation: slideDown 0.3s ease;
  }

  .navbar-nav.mobile-open .navbar-link {
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .navbar-nav.mobile-open .btn {
    margin-left: 0;
    margin-top: var(--space-sm);
    width: 100%;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----------------------------------------------------------
   Hero
   ---------------------------------------------------------- */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--navbar-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 50%, var(--color-secondary) 100%);
  z-index: -2;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--space-2xl) var(--space-lg);
}

.hero-content h1 {
  color: #fff;
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
}

.hero .btn-primary {
  background: #fff;
  color: var(--color-primary);
}

.hero .btn-primary:hover {
  box-shadow: var(--shadow-xl), 0 0 30px rgba(255, 255, 255, 0.3);
}

.hero .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.hero .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

/* ----------------------------------------------------------
   CTA Section
   ---------------------------------------------------------- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: var(--space-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-lg);
  margin-bottom: var(--space-xl);
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--color-primary);
}

.cta-section .btn-outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 576px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: #fff;
  margin-bottom: var(--space-md);
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
}

.footer h4 {
  color: #fff;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-lg);
}

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

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: #fff;
  padding-left: 0.25rem;
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ----------------------------------------------------------
   Display Utilities
   ---------------------------------------------------------- */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-inline-flex { display: inline-flex !important; }

@media (min-width: 576px) {
  .d-sm-none { display: none !important; }
  .d-sm-block { display: block !important; }
  .d-sm-flex { display: flex !important; }
  .d-sm-inline-flex { display: inline-flex !important; }
}

@media (min-width: 768px) {
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
  .d-md-inline-flex { display: inline-flex !important; }
}

@media (min-width: 992px) {
  .d-lg-none { display: none !important; }
  .d-lg-block { display: block !important; }
  .d-lg-flex { display: flex !important; }
  .d-lg-inline-flex { display: inline-flex !important; }
}

@media (min-width: 1200px) {
  .d-xl-none { display: none !important; }
  .d-xl-block { display: block !important; }
  .d-xl-flex { display: flex !important; }
  .d-xl-inline-flex { display: inline-flex !important; }
}

/* ----------------------------------------------------------
   Text Utilities
   ---------------------------------------------------------- */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-muted { color: var(--color-text-muted) !important; }

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-white { color: #fff !important; }

.font-heading { font-family: var(--font-heading) !important; }
.font-body { font-family: var(--font-body) !important; }

.fw-regular { font-weight: var(--fw-regular) !important; }
.fw-medium { font-weight: var(--fw-medium) !important; }
.fw-semibold { font-weight: var(--fw-semibold) !important; }
.fw-bold { font-weight: var(--fw-bold) !important; }

/* Spacing Utilities */
.mt-0 { margin-top: 0 !important; }
.mt-md { margin-top: var(--space-md) !important; }
.mt-lg { margin-top: var(--space-lg) !important; }
.mt-xl { margin-top: var(--space-xl) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-md { margin-bottom: var(--space-md) !important; }
.mb-lg { margin-bottom: var(--space-lg) !important; }
.mb-xl { margin-bottom: var(--space-xl) !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* ----------------------------------------------------------
   Global Mobile Responsive
   ---------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 576px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

/* ----------------------------------------------------------
   Common Grid Classes (used by sites but missing from shared)
   ---------------------------------------------------------- */
.services-grid,
.pricing-grid,
.testimonials-grid,
.pricing-cards,
.benefits-grid,
.tech-grid,
.process-grid,
.features-grid,
.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl, 2rem);
}

@media (min-width: 576px) {
  .services-grid,
  .pricing-grid,
  .pricing-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .services-grid,
  .testimonials-grid,
  .benefits-grid,
  .tech-grid,
  .features-grid,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid,
  .pricing-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .services-grid,
  .benefits-grid,
  .tech-grid,
  .features-grid,
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pricing-grid,
  .pricing-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ----------------------------------------------------------
   Responsive Typography
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  h1 { font-size: 1.8rem !important; }
  h2 { font-size: 1.5rem !important; }
  h3 { font-size: 1.25rem !important; }

  .hero-content h1 { font-size: 2rem !important; }
  .hero-content p { font-size: 1rem !important; }

  .section { padding: 2.5rem 0 !important; }
  .section-header { margin-bottom: 2rem !important; }
}

@media (max-width: 576px) {
  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.3rem !important; }

  .hero-content h1 { font-size: 1.6rem !important; }

  .section { padding: 2rem 0 !important; }
}

/* ----------------------------------------------------------
   Responsive Footer
   ---------------------------------------------------------- */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl, 2rem);
}

@media (min-width: 576px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* ----------------------------------------------------------
   Responsive Modal
   ---------------------------------------------------------- */
@media (max-width: 576px) {
  .modal-overlay {
    padding: 10px !important;
  }
  .modal-content,
  .modal-box {
    padding: 24px !important;
    max-width: 100% !important;
    margin: 0 10px !important;
  }
}

/* ----------------------------------------------------------
   Responsive Pricing Cards
   ---------------------------------------------------------- */
@media (max-width: 576px) {
  .pricing-card .pricing-price {
    font-size: 2rem !important;
  }
}

/* ----------------------------------------------------------
   Responsive Testimonial Cards
   ---------------------------------------------------------- */
@media (max-width: 576px) {
  .testimonial-card {
    padding: 24px 20px !important;
  }
}