/* ==========================================================================
   NOTAM App - GitHub Pages Stylesheet
   Aviation-focused, modern, professional design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Theme Colors)
   -------------------------------------------------------------------------- */
:root {
  /* Primary Colors - MUST USE EXACTLY */
  --color-primary: #1a365d;
  --color-accent: #f59e0b;
  --color-dark-bg: #0f172a;
  --color-light-text: #ffffff;
  --color-secondary-text: #94a3b8;

  /* Derived Colors */
  --color-accent-hover: #d97706;
  --color-accent-light: rgba(245, 158, 11, 0.1);
  --color-primary-light: #2d4a7c;
  --color-border: rgba(148, 163, 184, 0.2);
  --color-card-bg: rgba(26, 54, 93, 0.4);
  --color-card-bg-hover: rgba(26, 54, 93, 0.6);

  /* Typography */
  --font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 70px;
}

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-light-text);
  background: linear-gradient(
    135deg,
    var(--color-dark-bg) 0%,
    var(--color-primary) 100%
  );
  background-attachment: fixed;
  min-height: 100vh;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-accent-hover);
}

ul,
ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-light-text);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-secondary-text);
}

.text-accent {
  color: var(--color-accent);
}

.text-light {
  color: var(--color-light-text);
}

.text-secondary {
  color: var(--color-secondary-text);
}

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

/* --------------------------------------------------------------------------
   Layout & Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section--hero {
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: background var(--transition-base);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-light-text);
}

.nav__logo:hover {
  color: var(--color-light-text);
}

.nav__logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav__link {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-secondary-text);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-light-text);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-light-text);
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

/* Main content offset for fixed nav */
main {
  padding-top: var(--nav-height);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  text-align: center;
}

.hero__badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-accent-light);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(
    135deg,
    var(--color-light-text) 0%,
    var(--color-secondary-text) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__title--large {
  font-size: var(--font-size-5xl);
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-secondary-text);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
}

.hero__image {
  max-width: 300px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

/* App Store Badge */
.app-store-badge {
  height: 50px;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

.app-store-badge:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Primary Button - Orange Accent */
.btn--primary {
  background: var(--color-accent);
  color: var(--color-dark-bg);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-dark-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Secondary Button - Outline */
.btn--secondary {
  background: transparent;
  color: var(--color-light-text);
  border: 2px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Ghost Button */
.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
}

.btn--ghost:hover {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* Button Sizes */
.btn--sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn--lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Cards & Feature Boxes
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
}

.card:hover {
  background: var(--color-card-bg-hover);
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-light-text);
}

.card__description {
  font-size: var(--font-size-base);
  color: var(--color-secondary-text);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Feature Grid
   -------------------------------------------------------------------------- */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header__eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.section-header__title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.section-header__description {
  font-size: var(--font-size-lg);
  color: var(--color-secondary-text);
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Screenshot/App Preview Section
   -------------------------------------------------------------------------- */
.app-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xl);
}

.app-preview__device {
  max-width: 280px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

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

/* --------------------------------------------------------------------------
   Support Page Specific Styles
   -------------------------------------------------------------------------- */
.support-section {
  padding: var(--spacing-2xl) 0;
}

.support-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.support-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.support-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-2xl);
}

.support-card__title {
  font-size: var(--font-size-2xl);
  margin-bottom: 0;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.contact-method:hover {
  background: rgba(255, 255, 255, 0.1);
}

.contact-method__icon {
  font-size: var(--font-size-xl);
}

.contact-method__label {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.contact-method__value {
  font-weight: 500;
  color: var(--color-light-text);
}

/* FAQ Styles */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  cursor: pointer;
  font-weight: 500;
  color: var(--color-light-text);
  transition: background var(--transition-fast);
}

.faq-item__question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.faq-item__icon {
  font-size: var(--font-size-xl);
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-secondary-text);
  display: none;
}

.faq-item--open .faq-item__answer {
  display: block;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-light-text);
}

.footer__logo:hover {
  color: var(--color-light-text);
}

.footer__logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md) var(--spacing-xl);
}

.footer__link {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
  text-align: center;
}

.footer__divider {
  width: 100%;
  max-width: 200px;
  height: 1px;
  background: var(--color-border);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-0 {
  margin-top: 0;
}
.mt-1 {
  margin-top: var(--spacing-sm);
}
.mt-2 {
  margin-top: var(--spacing-md);
}
.mt-3 {
  margin-top: var(--spacing-lg);
}
.mt-4 {
  margin-top: var(--spacing-xl);
}
.mt-5 {
  margin-top: var(--spacing-2xl);
}

.mb-0 {
  margin-bottom: 0;
}
.mb-1 {
  margin-bottom: var(--spacing-sm);
}
.mb-2 {
  margin-bottom: var(--spacing-md);
}
.mb-3 {
  margin-bottom: var(--spacing-lg);
}
.mb-4 {
  margin-bottom: var(--spacing-xl);
}
.mb-5 {
  margin-bottom: var(--spacing-2xl);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate-fade-in-delay-1 {
  animation: fadeIn 0.6s ease 0.1s forwards;
  opacity: 0;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 0.6s ease 0.2s forwards;
  opacity: 0;
}

.animate-fade-in-delay-3 {
  animation: fadeIn 0.6s ease 0.3s forwards;
  opacity: 0;
}

/* --------------------------------------------------------------------------
   Responsive Design - Tablet (768px+)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  :root {
    --font-size-4xl: 3rem;
    --font-size-5xl: 4rem;
  }

  .hero__title--large {
    font-size: var(--font-size-5xl);
  }

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

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

  .app-preview {
    flex-direction: row;
    justify-content: center;
    text-align: left;
  }

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

  .footer__container {
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .footer__divider {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Responsive Design - Desktop (1024px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  :root {
    --font-size-4xl: 3.5rem;
    --font-size-5xl: 4.5rem;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .nav__toggle {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Responsive Design - Mobile Navigation (below 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.98);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
  }

  .nav__menu--open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--font-size-lg);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    text-align: center;
  }

  .nav__link::after {
    display: none;
  }

  /* Hamburger animation when open */
  .nav--open .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav--open .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav--open .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: white;
    color: black;
  }

  .nav,
  .footer,
  .btn {
    display: none;
  }

  main {
    padding-top: 0;
  }

  .card {
    border: 1px solid #ccc;
    background: white;
  }

  a {
    color: black;
    text-decoration: underline;
  }
}

/* --------------------------------------------------------------------------
   Reduced Motion Preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   High Contrast Mode Support
   -------------------------------------------------------------------------- */
@media (prefers-contrast: high) {
  :root {
    --color-border: rgba(255, 255, 255, 0.5);
  }

  .card,
  .support-card,
  .faq-item {
    border-width: 2px;
  }

  .btn--secondary {
    border-width: 3px;
  }
}

/* ==========================================================================
   NOTAM App Landing Page - Additional Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Updated Navigation (navbar class)
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-light-text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-accent);
}

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

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-secondary-text);
  transition: color var(--transition-fast);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-light-text);
  transition: var(--transition-fast);
}

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

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

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

/* --------------------------------------------------------------------------
   Hero Section (Updated)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg)
    var(--spacing-3xl);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(
    ellipse at center,
    black 20%,
    transparent 70%
  );
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: pulse-glow 4s ease-in-out infinite;
}

.glow-orb-1 {
  top: 10%;
  right: 20%;
  width: 400px;
  height: 400px;
  background: var(--color-accent);
}

.glow-orb-2 {
  bottom: 20%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: var(--color-primary-light);
}

@keyframes pulse-glow {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.6;
  }
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xl);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
}

.title-line {
  display: block;
}

.title-line.highlight {
  color: var(--color-accent);
}

.hero-tagline {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-2xl);
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-dark-bg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow:
    var(--shadow-xl),
    0 0 60px rgba(245, 158, 11, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-light-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-accent);
}

.btn svg {
  width: 20px;
  height: 20px;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-light-text);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* Hero Visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-left: var(--spacing-3xl);
}

.phone-mockup {
  position: relative;
  max-width: 320px;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.phone-frame {
  position: relative;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 8px solid #1e293b;
  background: #1e293b;
}

.phone-screen {
  width: 100%;
  display: block;
  border-radius: 32px;
}

.phone-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(
    circle at center,
    var(--color-accent) 0%,
    transparent 70%
  );
  opacity: 0.2;
  z-index: -1;
  filter: blur(40px);
}

/* --------------------------------------------------------------------------
   Section Headers (Updated)
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-secondary-text);
  max-width: 600px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-icon-critical {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.feature-icon-fir {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.feature-icon-notification {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-accent);
}

.feature-icon-translate {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: var(--font-size-base);
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-md);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Severity Badges */
.severity-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.severity-badge {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.severity-badge.critical {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.severity-badge.warning {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.severity-badge.caution {
  background: rgba(234, 179, 8, 0.2);
  color: #eab308;
}

.severity-badge.info {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
}

/* --------------------------------------------------------------------------
   Screenshots Section
   -------------------------------------------------------------------------- */
.screenshots {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.screenshot-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: var(--spacing-xl);
  perspective: 1000px;
}

.screenshot-card {
  flex: 0 0 280px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
  transform: scale(0.9);
  opacity: 0.7;
}

.screenshot-card.featured {
  flex: 0 0 320px;
  transform: scale(1);
  opacity: 1;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.screenshot-card:hover {
  transform: scale(0.95);
  opacity: 0.9;
}

.screenshot-card.featured:hover {
  transform: scale(1.02);
}

.screenshot-image {
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.screenshot-label {
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-secondary-text);
}

/* --------------------------------------------------------------------------
   Download Section
   -------------------------------------------------------------------------- */
.download {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(245, 158, 11, 0.05) 100%
  );
}

.download-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
}

.download-text {
  flex: 1;
}

.download-text .section-title {
  text-align: left;
}

.download-text .section-description {
  text-align: left;
  margin: 0 0 var(--spacing-2xl);
}

.download-badges {
  margin-bottom: var(--spacing-lg);
}

.app-store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  background: #000;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.app-store-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.app-store-badge svg {
  width: 30px;
  height: 30px;
}

.badge-content {
  display: flex;
  flex-direction: column;
}

.badge-small {
  font-size: 0.75rem;
  color: var(--color-secondary-text);
}

.badge-large {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-light-text);
}

.download-buttons {
  margin: var(--spacing-lg) 0;
}

.app-store-link {
  display: inline-block;
  transition: opacity 0.2s ease;
}

.app-store-link:hover {
  opacity: 0.85;
}

.app-store-badge {
  height: 54px;
  width: auto;
}

.website-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.website-link:hover {
  text-decoration: underline;
}

.download-note {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.download-visual {
  flex: 1;
  display: flex;
  justify-content: center;
}

.download-phone {
  max-width: 280px;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 8px solid #1e293b;
  background: #1e293b;
}

.download-phone img {
  border-radius: 32px;
}

/* --------------------------------------------------------------------------
   Footer (Updated)
   -------------------------------------------------------------------------- */
.footer {
  padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-light-text);
}

.footer-logo .logo-icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.footer-links {
  display: flex;
  gap: var(--spacing-3xl);
}

.footer-column h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-light-text);
  margin-bottom: var(--spacing-md);
}

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

.footer-column a {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
}

.footer-column a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.copyright {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-text);
  margin-bottom: var(--spacing-sm);
}

.disclaimer {
  font-size: 0.75rem;
  color: var(--color-secondary-text);
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Landing Page Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: calc(var(--nav-height) + var(--spacing-2xl));
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .hero-visual {
    padding-left: 0;
    padding-top: var(--spacing-3xl);
  }

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

  .screenshot-showcase {
    flex-direction: column;
    align-items: center;
  }

  .screenshot-card,
  .screenshot-card.featured {
    flex: none;
    width: 100%;
    max-width: 320px;
    transform: scale(1);
    opacity: 1;
  }

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

  .download-text .section-title,
  .download-text .section-description {
    text-align: center;
  }

  .download-text .section-description {
    margin-left: auto;
    margin-right: auto;
  }

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

  .footer-brand {
    max-width: 100%;
  }

  .footer-logo {
    justify-content: center;
  }

  .footer-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-tagline {
    font-size: var(--font-size-xl);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .phone-mockup {
    max-width: 260px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-card {
    padding: var(--spacing-lg);
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xl);
  }
}