/* ============================================
   TND Renewable Energy Services Inc.
   Master Stylesheet
   ============================================ */

/* ---------- Custom Properties ---------- */
:root {
  --color-primary: #0c1e35;
  --color-primary-light: #162d4a;
  --color-primary-lighter: #1e3d61;
  --color-secondary: #0d9488;
  --color-secondary-light: #14b8a6;
  --color-secondary-dark: #0f766e;
  --color-accent: #eab308;
  --color-accent-light: #facc15;
  --color-accent-dark: #ca8a04;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-bg-card: #ffffff;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-success: #10b981;
  --color-white: #ffffff;
  --color-black: #020617;

  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-sm: 0 1px 2px rgba(12, 30, 53, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(12, 30, 53, 0.08), 0 2px 4px -2px rgba(12, 30, 53, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(12, 30, 53, 0.08), 0 4px 6px -4px rgba(12, 30, 53, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(12, 30, 53, 0.1), 0 8px 10px -6px rgba(12, 30, 53, 0.04);
  --shadow-glow: 0 0 20px rgba(13, 148, 136, 0.15);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --max-width: 1200px;
  --header-height: 72px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 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-primary);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-secondary-light);
}

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); letter-spacing: -0.01em; }
h4 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

p { margin-bottom: 1.25rem; }
p:last-child { margin-bottom: 0; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Section ---------- */
.section {
  padding: 100px 0;
}
.section-alt {
  background-color: var(--color-bg-alt);
}
.section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.section-header {
  max-width: 680px;
  margin-bottom: 60px;
}
.section-header-centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.section-header h2 {
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.section-header h2 .highlight {
  color: var(--color-secondary);
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
  transition: all var(--transition);
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
}
.logo:hover {
  color: var(--color-primary);
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  font-weight: 800;
  flex-shrink: 0;
}
.logo-text span {
  color: var(--color-secondary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav a:hover,
.nav a.active {
  color: var(--color-primary);
}
.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--color-secondary);
  color: var(--color-white) !important;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition);
}
.nav-cta::after {
  display: none !important;
}
.nav-cta:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-bg .gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: orbFloat 20s ease-in-out infinite;
}
.hero-bg .gradient-orb:nth-child(1) {
  width: 600px;
  height: 600px;
  background: var(--color-secondary);
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}
.hero-bg .gradient-orb:nth-child(2) {
  width: 400px;
  height: 400px;
  background: var(--color-accent);
  bottom: -100px;
  left: -100px;
  animation-delay: -7s;
}
.hero-bg .gradient-orb:nth-child(3) {
  width: 300px;
  height: 300px;
  background: #3b82f6;
  top: 50%;
  left: 50%;
  animation-delay: -14s;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(255,255,255,0.03) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(50px, -30px) scale(1.1); }
  50% { transform: translate(-20px, 40px) scale(0.9); }
  75% { transform: translate(30px, 20px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 80px 0;
}
.hero-content h1 {
  color: var(--color-white);
  margin-bottom: 24px;
}
.hero-content h1 .hero-accent {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(4px);
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--color-secondary);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.25);
}
.btn-outline:hover {
  border-color: var(--color-secondary);
  background: rgba(13, 148, 136, 0.1);
  transform: translateY(-2px);
}
.btn-outline-dark {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline-dark:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.btn-lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  padding: 0 16px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--color-border);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.03em;
}
.stat-number .suffix {
  color: var(--color-secondary);
  font-size: 1.5rem;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-content .lead {
  font-size: 1.15rem;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.about-feature {
  display: flex;
  gap: 14px;
}
.about-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(234, 179, 8, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-secondary);
}
.about-feature h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.about-feature p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.about-visual {
  position: relative;
}
.about-image-block {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}
.about-image-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(13, 148, 136, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(234, 179, 8, 0.1) 0%, transparent 50%);
}
.about-image-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
  color: var(--color-white);
}
.about-image-content .big-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  opacity: 0.8;
}
.about-image-content h3 {
  color: var(--color-white);
  margin-bottom: 8px;
}
.about-image-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  max-width: 300px;
}

.about-exp {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--color-white);
  padding: 24px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid var(--color-border);
}
.about-exp .exp-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1;
}
.about-exp .exp-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ---------- Services Section ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(234, 179, 8, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-secondary);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.service-tag {
  padding: 3px 10px;
  background: var(--color-bg-alt);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ---------- Why Choose Us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.why-card {
  padding: 40px 32px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.why-card.featured {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.why-card.featured h3,
.why-card.featured p {
  color: var(--color-white);
}
.why-card.featured .why-icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
}

.why-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(234, 179, 8, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin: 0 auto 20px;
  transition: all var(--transition);
}
.why-card:hover .why-icon {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}
.why-card.featured .why-icon:hover {
  background: rgba(255, 255, 255, 0.15);
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.why-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.why-card.featured p {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  position: relative;
  overflow: hidden;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(13, 148, 136, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(234, 179, 8, 0.08) 0%, transparent 50%);
}
.cta-content {
  position: relative;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-content h2 {
  color: var(--color-white);
  margin-bottom: 16px;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--color-text-secondary);
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-row-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.08), rgba(234, 179, 8, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-secondary);
}
.contact-row h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}
.contact-row p,
.contact-row a {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.contact-form-wrapper {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.contact-form-wrapper h3 {
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-socials {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
  transition: all var(--transition);
}
.footer-social-link:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer h4 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--color-secondary-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.85rem;
}
.footer-bottom-links {
  display: flex;
  gap: 24px;
}
.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
}
.footer-bottom-links a:hover {
  color: var(--color-secondary-light);
}

/* ---------- Page Header (Inner Pages) ---------- */
.page-header {
  padding: 140px 0 60px;
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(13, 148, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(234, 179, 8, 0.06) 0%, transparent 50%);
}
.page-header-content {
  position: relative;
  z-index: 2;
}
.page-header-content h1 {
  color: var(--color-white);
  margin-bottom: 12px;
}
.page-header-content p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 1.1rem;
  max-width: 560px;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.65);
}
.breadcrumb a:hover {
  color: var(--color-secondary-light);
}

/* ---------- Legal Pages ---------- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}
.legal-content .last-updated {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--color-primary);
}
.legal-content h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--color-primary);
}
.legal-content p {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.legal-content ul,
.legal-content ol {
  margin: 16px 0 24px 24px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}
.legal-content li {
  margin-bottom: 8px;
  list-style: disc;
}
.legal-content ol li {
  list-style: decimal;
}
.legal-content strong {
  color: var(--color-text);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: var(--shadow-md);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .about-grid {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .menu-toggle {
    display: flex;
  }

  .hero-content {
    padding: 40px 0;
    text-align: center;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-badges {
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .stat-item:nth-child(2)::after {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-features {
    grid-template-columns: 1fr;
  }
  .about-exp {
    right: 8px;
    bottom: 8px;
    padding: 16px 24px;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-form-wrapper {
    padding: 24px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .page-header {
    padding: 110px 0 40px;
  }

  .legal-content {
    padding: 40px 0;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-number {
    font-size: 2rem;
  }
  .stat-item::after {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .btn-lg {
    width: 100%;
    justify-content: center;
  }
}