/* ========================================
   ĐÔNG NAM LED - MAIN STYLESHEET
   Đèn LED Đánh Cá Chuyên Nghiệp
   ======================================== */

:root {
  /* Brand Colors - Inspired by deep sea & fishing lights */
  --color-navy: #0a2540;
  --color-navy-dark: #061629;
  --color-ocean: #0a3d91;
  --color-ocean-light: #1a5fc7;
  --color-cyan: #00b4d8;
  --color-gold: #f4a72c;
  --color-gold-light: #fcd34d;
  --color-led-yellow: #fff5b0;
  --color-white: #ffffff;
  --color-cream: #fdfbf7;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-400: #94a3b8;
  --color-gray-600: #475569;
  --color-gray-800: #1e293b;
  --color-text: #1a2332;
  --color-muted: #64748b;
  --color-border: #e5e7eb;

  /* Typography */
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body:
    "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-accent: "Bebas Neue", "Arial Narrow", sans-serif;

  /* Spacing */
  --container-max: 1280px;
  --section-pad-y: clamp(4rem, 8vw, 7rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05);
  --shadow-md: 0 4px 12px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.12);
  --shadow-glow: 0 0 60px rgba(244, 167, 44, 0.25);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-navy);
}

.eyebrow {
  font-family: var(--font-accent);
  font-size: 0.875rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 500;
  margin-bottom: 1rem;
  display: inline-block;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 3rem;
  line-height: 1.7;
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

section {
  padding: var(--section-pad-y) 0;
  position: relative;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.95rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, #e8941b 100%);
  color: var(--color-navy);
  box-shadow: 0 8px 20px rgba(244, 167, 44, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(244, 167, 44, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn-secondary:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn .arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(253, 251, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(10, 37, 64, 0.06);
  transition: all 0.3s var(--ease);
}

.site-header.scrolled {
  background: rgba(253, 251, 247, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 48px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  transform: scaleX(1);
}

.nav-menu a.active {
  color: var(--color-ocean);
  font-weight: 600;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-ocean);
  font-size: 0.95rem;
}

.phone-link:hover {
  color: var(--color-gold);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--color-navy);
  color: var(--color-white);
  align-items: center;
  justify-content: center;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  background: linear-gradient(
    135deg,
    var(--color-navy) 0%,
    var(--color-navy-dark) 50%,
    #020816 100%
  );
  color: var(--color-white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 80% 20%,
      rgba(244, 167, 44, 0.18) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 20% 80%,
      rgba(0, 180, 216, 0.15) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cg fill-opacity='0.04'%3E%3Ccircle cx='50' cy='50' r='1' fill='%23ffffff'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content .eyebrow {
  color: var(--color-gold-light);
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--color-gold);
  font-style: italic;
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.1em;
  height: 0.15em;
  background: rgba(244, 167, 44, 0.3);
  z-index: -1;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2.5rem;
  max-width: 540px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.stat-label {
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.05) saturate(1.1);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 50%,
    rgba(10, 22, 41, 0.7) 100%
  );
  pointer-events: none;
}

.hero-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  z-index: 3;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 1rem 1.25rem;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.hero-badge-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-gold), #e8941b);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.hero-badge-text strong {
  display: block;
  color: var(--color-navy);
  font-size: 0.9rem;
  margin-bottom: 0.125rem;
}

.hero-badge-text span {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 3;
  animation: bob 2s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, -8px);
  }
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
  background: var(--color-cream);
  position: relative;
}

.features-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.features-header .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-white);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--ease);
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-ocean));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(
    135deg,
    rgba(244, 167, 44, 0.12),
    rgba(10, 61, 145, 0.08)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
}

.feature-card h3 {
  font-size: 1.375rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ========================================
   PRODUCTS SECTION
   ======================================== */
.products-section {
  background: linear-gradient(
    180deg,
    var(--color-cream) 0%,
    var(--color-gray-50) 100%
  );
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 3.5rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.section-header-content {
  max-width: 600px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.product-card {
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #1e293b, #0a2540);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-gold);
  color: var(--color-navy);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  text-transform: uppercase;
}

.product-info {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.product-specs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.825rem;
  color: var(--color-muted);
  flex-wrap: wrap;
}

.product-spec-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.product-spec-item strong {
  color: var(--color-navy);
}

.product-info p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-ocean);
  font-weight: 600;
  font-size: 0.9rem;
  align-self: flex-start;
}

.product-link:hover {
  gap: 0.75rem;
  color: var(--color-gold);
}

/* ========================================
   TECHNOLOGY / STRUCTURE SECTION
   ======================================== */
.tech-section {
  background: var(--color-navy);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.tech-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 60%;
  height: 200%;
  background: radial-gradient(
    ellipse at center,
    rgba(244, 167, 44, 0.1) 0%,
    transparent 60%
  );
  pointer-events: none;
}

.tech-section .section-title {
  color: var(--color-white);
}

.tech-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.tech-image {
  border-radius: 24px;
  overflow: hidden;
  background: var(--color-white);
  padding: 2rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.tech-image img {
  width: 100%;
  border-radius: 12px;
}

.tech-features {
  display: grid;
  gap: 1.25rem;
}

.tech-feature {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s var(--ease);
}

.tech-feature:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(244, 167, 44, 0.3);
}

.tech-feature-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-gold), #e8941b);
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
}

.tech-feature h4 {
  color: var(--color-white);
  font-size: 1.0625rem;
  margin-bottom: 0.375rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.tech-feature p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ========================================
   GALLERY / TESTIMONIAL SECTION
   ======================================== */
.gallery-section {
  background: var(--color-cream);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 200px);
  gap: 1rem;
  margin-top: 3rem;
}

.gallery-item {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(10, 37, 64, 0.7) 100%
  );
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item:nth-child(2) {
  grid-column: span 1;
}
.gallery-item:nth-child(3) {
  grid-column: span 1;
}
.gallery-item:nth-child(4) {
  grid-column: span 1;
}
.gallery-item:nth-child(5) {
  grid-column: span 1;
}

/* ========================================
   CTA BANNER
   ======================================== */
.cta-banner {
  background: linear-gradient(
    135deg,
    var(--color-ocean) 0%,
    var(--color-navy) 100%
  );
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(244, 167, 44, 0.2) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  margin-bottom: 1.25rem;
}

.cta-content p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 5rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3rem;
}

.footer-brand img {
  height: 50px;
  margin-bottom: 1.25rem;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s var(--ease);
}

.social-link:hover {
  background: var(--color-gold);
  color: var(--color-navy);
  transform: translateY(-3px);
}

.footer-column h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.footer-column ul {
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: all 0.25s var(--ease);
}

.footer-column a:hover {
  color: var(--color-gold);
  padding-left: 6px;
}

.contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  align-items: flex-start;
}

.contact-icon {
  color: var(--color-gold);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
  color: var(--color-gold);
}

/* ========================================
   FLOATING ACTION BUTTONS
   ======================================== */
.float-actions {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s var(--ease);
  position: relative;
}

.float-btn:hover {
  transform: scale(1.1) rotate(-5deg);
}

.float-btn.zalo {
  background: #0068ff;
}

.float-btn.phone {
  background: #16a34a;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 0 rgba(22, 163, 74, 0.6),
      var(--shadow-lg);
  }
  50% {
    box-shadow:
      0 0 0 16px rgba(22, 163, 74, 0),
      var(--shadow-lg);
  }
}

/* ========================================
   PAGE HEADER (Inner pages)
   ======================================== */
.page-header {
  background: linear-gradient(
    135deg,
    var(--color-navy) 0%,
    var(--color-navy-dark) 100%
  );
  color: var(--color-white);
  padding: 9rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 70% 30%,
      rgba(244, 167, 44, 0.15) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse at 30% 70%,
      rgba(0, 180, 216, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.page-header-content {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  color: var(--color-white);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.breadcrumb a {
  color: var(--color-gold-light);
}

.breadcrumb a:hover {
  color: var(--color-gold);
}

/* ========================================
   ABOUT PAGE
   ======================================== */
.about-intro {
  background: var(--color-cream);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-intro-image {
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4/5;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.about-intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro-content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-gray-600);
  margin-bottom: 1.25rem;
}

.about-intro-content p:first-of-type {
  font-size: 1.1875rem;
  color: var(--color-navy);
  font-weight: 500;
}

.values-section {
  background: var(--color-gray-50);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.value-card {
  background: var(--color-white);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s var(--ease);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-number {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-gold);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.value-card p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ========================================
   CONTACT PAGE
   ======================================== */
.contact-section {
  background: var(--color-cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
}

.contact-info-card {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 3rem 2.5rem;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.contact-info-card::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -30%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(244, 167, 44, 0.2) 0%,
    transparent 70%
  );
}

.contact-info-card h2 {
  color: var(--color-white);
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  position: relative;
}

.contact-info-card > p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 2.5rem;
  position: relative;
}

.contact-list {
  display: grid;
  gap: 1.5rem;
  position: relative;
}

.contact-list-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  cursor: pointer;
}

.contact-list-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(244, 167, 44, 0.15);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}

.contact-list-item strong {
  display: block;
  color: var(--color-white);
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

.contact-list-item span,
.contact-list-item a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-list-item a:hover {
  color: var(--color-gold);
}

.contact-form {
  background: var(--color-white);
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid var(--color-border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: all 0.25s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-ocean);
  box-shadow: 0 0 0 3px rgba(10, 61, 145, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.map-container {
  margin-top: 4rem;
  border-radius: 24px;
  overflow: hidden;
  height: 450px;
  box-shadow: var(--shadow-md);
}

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

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .tech-grid,
  .about-intro-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    max-width: 500px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

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

  .gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform 0.4s var(--ease);
    align-items: stretch;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-cta .phone-link span {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero-stats > div {
    display: flex;
    align-items: baseline;
    gap: 1rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }
  .gallery-item {
    aspect-ratio: 4/3;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }

  .float-actions {
    bottom: 1rem;
    right: 1rem;
  }

  .float-btn {
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

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

  .btn {
    padding: 0.85rem 1.5rem;
    font-size: 0.9rem;
  }
}