/* ============================================================
   HTC Iran — Official Representative Website
   Modern Redesign — RTL-First, Dark Theme, Green Accent
   ============================================================ */

/* ----- CSS Custom Properties ----- */
:root {
  /* Colors */
  --color-bg: #0a0e0f;
  --color-bg-elevated: #121618;
  --color-bg-card: #181c1e;
  --color-bg-card-hover: #1e2325;
  --color-border: #2a3033;
  --color-border-light: #353b3f;
  --color-text: #e8edf0;
  --color-text-secondary: #9ba4aa;
  --color-text-muted: #6b737a;
  --color-accent: #69b40f;
  --color-accent-hover: #7cc91a;
  --color-accent-dim: #4a8010;
  --color-accent-bg: rgba(105, 180, 15, 0.08);
  --color-accent-border: rgba(105, 180, 15, 0.2);
  --color-red: #ef4444;
  --color-red-bg: rgba(239, 68, 68, 0.08);
  --color-white: #ffffff;
  --color-black: #000000;

  /* Typography */
  --font-primary: 'BYekan', 'tahoma', system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --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;
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(105, 180, 15, 0.15);
  --shadow-glow-lg: 0 0 40px rgba(105, 180, 15, 0.2);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 68px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  direction: rtl;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100dvh;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ----- Focus ----- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.nav-logo span {
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--color-text);
  background: var(--color-bg-card);
}

.nav-links a.nav-cta {
  background: var(--color-accent);
  color: var(--color-black);
  font-weight: 600;
  padding: var(--space-2) var(--space-5);
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    right: 0;
    left: 0;
    flex-direction: column;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-1);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
  }

  .nav-toggle {
    display: flex;
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  padding: var(--space-20) 0 var(--space-16);
  overflow: hidden;
  min-height: 80dvh;
  display: flex;
  align-items: center;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 14, 15, 0.4) 0%,
    rgba(10, 14, 15, 0.85) 60%,
    var(--color-bg) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: var(--line-height-tight);
  color: var(--color-white);
  max-width: 700px;
}

.hero-title span {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-black);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-black);
  box-shadow: var(--shadow-glow);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-bg);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-bg-card);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: var(--space-20) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================================
   PROMO / SERVICE CARDS
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-bg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  font-size: var(--font-size-xl);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
}

.card-link:hover {
  gap: var(--space-3);
}

/* Card with background image */
.card-image {
  position: relative;
  min-height: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.card-image .card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 14, 15, 0.95) 0%, rgba(10, 14, 15, 0.3) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

.product-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-normal);
}

.product-card:hover {
  border-color: var(--color-accent-border);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.product-card img {
  width: auto;
  height: 200px;
  margin: 0 auto var(--space-4);
  object-fit: contain;
}

.product-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   BLOG CARDS
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.blog-card:hover {
  border-color: var(--color-accent-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card-image {
  height: 200px;
  overflow: hidden;
}

.blog-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
  transform: scale(1.05);
}

.blog-card-body {
  padding: var(--space-5);
}

.blog-card-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
}

.blog-card-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Blog post (single) */
.blog-post {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
}

.blog-post h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: var(--line-height-tight);
}

.blog-post p {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.blog-post img {
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.contact-info-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.contact-info-card .info-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.contact-info-card .info-row strong {
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-1);
}

.contact-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 500px;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-section {
  max-width: 560px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-hint {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  direction: rtl;
  text-align: right;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-bg);
}

.form-input.error {
  border-color: var(--color-red);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-red);
  margin-top: var(--space-1);
}

.form-submit {
  margin-top: var(--space-6);
}

.form-submit .btn {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-base);
}

/* ============================================================
   FEATURE BOX (register benefits)
   ============================================================ */
.feature-list {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.feature-list h3 {
  font-size: var(--font-size-base);
  color: var(--color-white);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.feature-list ul li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

/* ============================================================
   BRANCH ANNOUNCEMENT
   ============================================================ */
.announcement {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 0;
  border: 2px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-card);
}

@media (max-width: 768px) {
  .announcement {
    grid-template-columns: 1fr;
  }
}

.announcement-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 250px;
}

.announcement-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.announcement-content p {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-white);
  line-height: var(--line-height-relaxed);
}

.announcement-content p span {
  color: var(--color-accent);
}

.announcement-content p .highlight {
  color: var(--color-red);
}

/* ============================================================
   SLIDER (bxSlider replacement)
   ============================================================ */
.slider-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.slider::-webkit-scrollbar {
  display: none;
}

.slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  position: relative;
  min-height: 450px;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.slide-content {
  position: relative;
  z-index: 1;
  padding: var(--space-12) var(--space-8);
  max-width: 600px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.slide-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.slide-content h2 span {
  color: var(--color-accent);
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border-light);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.slider-dot.active {
  background: var(--color-accent);
}

/* ============================================================
   CONTEST / SELFIE PAGE
   ============================================================ */
.contest-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 768px) {
  .contest-layout {
    grid-template-columns: 1fr;
  }
}

.contest-steps {
  counter-reset: step;
}

.contest-steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.contest-steps li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: var(--color-black);
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
}

.prizes-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.prize-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.prize-rank {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-black);
  font-weight: 700;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) 0;
  background: var(--color-bg-elevated);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

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

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.footer-social h2 {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-left: var(--space-2);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-bg-card);
}

.footer-social img {
  width: 20px;
  height: 20px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.hidden { display: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Page header strip */
.page-header {
  padding: var(--space-12) 0 var(--space-8);
  text-align: center;
}

.page-header h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.page-header p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .animate-in {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

/* ============================================================
   SEO & ACCESSIBILITY
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100%;
  right: var(--space-4);
  background: var(--color-accent);
  color: var(--color-black);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 200;
}

.skip-link:focus {
  top: var(--space-2);
}