/* ============================================
   Parcha Fiber — Design System & Global Styles
   Premium ISP Website
   ============================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Primary palette — deep blue to teal */
  --primary-900: #0a1628;
  --primary-800: #0f2240;
  --primary-700: #142e58;
  --primary-600: #1a3a6e;
  --primary-500: #1e4d8e;
  --primary-400: #2a6bc4;
  --primary-300: #4a90e2;
  --primary-200: #7ab3f0;
  --primary-100: #b3d4f7;
  --primary-50: #e0effc;

  /* Accent — vibrant orange */
  --accent-600: #c44e0a;
  --accent-500: #e85d0f;
  --accent-400: #f47b2b;
  --accent-300: #f9a65a;
  --accent-200: #fcc98e;
  --accent-100: #fde8cc;

  /* Teal accent */
  --teal-500: #0ea5a5;
  --teal-400: #14c8c8;
  --teal-300: #40d9d9;

  /* Neutrals */
  --neutral-950: #060a10;
  --neutral-900: #0d1117;
  --neutral-850: #111820;
  --neutral-800: #161d2a;
  --neutral-700: #1e2736;
  --neutral-600: #2a3548;
  --neutral-500: #3d4f66;
  --neutral-400: #5a7090;
  --neutral-300: #8ba0bb;
  --neutral-200: #b8c8dc;
  --neutral-100: #dce5f0;
  --neutral-50: #f0f4f8;

  /* Semantic */
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0a1628 0%, #142e58 40%, #0f3460 70%, #1a1a3e 100%);
  --gradient-accent: linear-gradient(135deg, #e85d0f 0%, #f47b2b 50%, #f9a65a 100%);
  --gradient-card: linear-gradient(135deg, rgba(20, 46, 88, 0.5) 0%, rgba(10, 22, 40, 0.8) 100%);
  --gradient-teal: linear-gradient(135deg, #0ea5a5 0%, #14c8c8 100%);
  --gradient-cta: linear-gradient(135deg, #e85d0f 0%, #f47b2b 100%);
  --gradient-page-hero: linear-gradient(135deg, #0a1628 0%, #1a3a6e 50%, #0f3460 100%);

  /* Glass */
  --glass-bg: rgba(20, 46, 88, 0.15);
  --glass-border: rgba(74, 144, 226, 0.2);
  --glass-blur: 16px;
  --glass-bg-dark: rgba(10, 22, 40, 0.6);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  /* 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;
  --space-32: 8rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px 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-xl: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow-accent: 0 0 30px rgba(232, 93, 15, 0.3);
  --shadow-glow-blue: 0 0 30px rgba(42, 107, 196, 0.3);
  --shadow-glow-teal: 0 0 30px rgba(14, 165, 165, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--neutral-100);
  background-color: var(--neutral-950);
  overflow-x: hidden;
}

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

a {
  color: var(--primary-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-400);
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
}

input, textarea, select {
  font-family: var(--font-body);
  outline: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--neutral-50);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  color: var(--neutral-200);
  line-height: 1.8;
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: linear-gradient(135deg, var(--primary-300), var(--teal-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

/* ── Section ── */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--neutral-300);
  max-width: 600px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-400);
  margin-bottom: var(--space-3);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: var(--shadow-glow-accent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(232, 93, 15, 0.5);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--neutral-50);
  border: 2px solid var(--glass-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--glass-bg);
  border-color: var(--primary-300);
  transform: translateY(-2px);
  color: var(--neutral-50);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1fb855;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.4);
  color: #fff;
}

.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
}

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.glass-card:hover {
  border-color: var(--primary-400);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ── Pricing Card ── */
.pricing-card {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-400);
  box-shadow: var(--shadow-glow-accent);
}

.pricing-card:hover::before {
  opacity: 1;
}

.pricing-card.featured {
  border-color: var(--accent-400);
  background: linear-gradient(135deg, rgba(232, 93, 15, 0.08) 0%, rgba(10, 22, 40, 0.8) 100%);
}

.pricing-card.featured::before {
  opacity: 1;
}

.pricing-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--gradient-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-speed {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 800;
  margin: var(--space-4) 0;
}

.pricing-speed span {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--neutral-300);
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--accent-400);
  margin-bottom: var(--space-2);
}

.pricing-price .currency {
  font-size: var(--text-xl);
  vertical-align: super;
}

.pricing-price .period {
  font-size: var(--text-base);
  color: var(--neutral-400);
  font-weight: 400;
}

.pricing-features {
  text-align: left;
  margin: var(--space-8) 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  color: var(--neutral-200);
  font-size: var(--text-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: var(--text-base);
  flex-shrink: 0;
}

/* ── Header / Navigation ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(6, 10, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(74, 144, 226, 0.1);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--neutral-50);
  text-decoration: none;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  max-height: 52px;
  line-height: 1;
}

.logo:hover {
  color: var(--neutral-50);
  transform: translateY(-1px);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.logo-img {
  height: 46px;
  max-height: 48px;
  max-width: 210px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.logo-img:hover {
  filter: drop-shadow(0 4px 14px rgba(255, 94, 0, 0.35));
}

.footer-logo-img {
  height: 50px;
  max-height: 54px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.3));
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-200);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: var(--space-2) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--neutral-50);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: var(--space-2);
  cursor: pointer;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--neutral-100);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 10, 16, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: var(--space-10) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
  animation: slideDown 0.3s ease;
}

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

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--neutral-100);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--neutral-700);
  transition: all var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--accent-400);
  padding-left: var(--space-4);
}

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

.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-500);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-500);
  bottom: -10%;
  left: -5%;
  animation-delay: 3s;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--teal-500);
  top: 40%;
  left: 50%;
  animation-delay: 5s;
  opacity: 0.15;
}

/* Fiber grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 144, 226, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 144, 226, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-content h1 {
  font-size: var(--text-6xl);
  font-weight: 900;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero-content p {
  font-size: var(--text-xl);
  color: var(--neutral-200);
  margin-bottom: var(--space-10);
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--glass-border);
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--neutral-50);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-400);
  margin-top: var(--space-1);
}

/* ── Page Hero (inner pages) ── */
.page-hero {
  padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-16);
  background: var(--gradient-page-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 144, 226, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 144, 226, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-hero h1 {
  font-size: var(--text-5xl);
  position: relative;
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-lg);
  color: var(--neutral-300);
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.page-hero .breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--neutral-400);
  position: relative;
}

.page-hero .breadcrumb a {
  color: var(--neutral-400);
}

.page-hero .breadcrumb a:hover {
  color: var(--accent-400);
}

/* ── Highlights Strip ── */
.highlights {
  background: var(--neutral-900);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-12) 0;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.highlight-item {
  text-align: center;
  padding: var(--space-4);
}

.highlight-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-3);
  display: block;
}

.highlight-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--neutral-50);
  margin-bottom: var(--space-1);
}

.highlight-text {
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

/* ── Stats Counter ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.stat-item {
  text-align: center;
  padding: var(--space-6);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 900;
  color: var(--accent-400);
  line-height: 1;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-300);
  margin-top: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Testimonials ── */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  right: var(--space-6);
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--accent-400);
  opacity: 0.2;
  line-height: 1;
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--neutral-200);
  font-style: italic;
  margin-bottom: var(--space-6);
  line-height: 1.8;
}

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

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  color: var(--neutral-50);
  font-size: var(--text-sm);
}

.testimonial-role {
  font-size: var(--text-xs);
  color: var(--neutral-400);
}

.testimonial-stars {
  color: var(--warning);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  letter-spacing: 2px;
}

/* ── Coverage ── */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-3);
}

.coverage-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--neutral-200);
  transition: all var(--transition-fast);
}

.coverage-item:hover {
  border-color: var(--accent-400);
  background: rgba(232, 93, 15, 0.05);
}

.coverage-item::before {
  content: '📍';
  font-size: var(--text-base);
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--gradient-hero);
  padding: var(--space-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(232, 93, 15, 0.1) 0%, transparent 70%);
}

.cta-banner h2 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-banner p {
  font-size: var(--text-lg);
  color: var(--neutral-300);
  margin-bottom: var(--space-8);
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

/* ── FAQ ── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3);
  overflow: hidden;
  background: var(--glass-bg-dark);
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--accent-400);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  background: none;
  color: var(--neutral-50);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-400);
}

.faq-icon {
  font-size: var(--text-xl);
  transition: transform var(--transition-base);
  color: var(--accent-400);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--neutral-300);
  font-size: var(--text-sm);
  line-height: 1.8;
}

/* ── Comparison Table ── */
.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.comparison-table thead {
  background: rgba(20, 46, 88, 0.5);
}

.comparison-table th {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  font-weight: 600;
  color: var(--neutral-50);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.comparison-table td {
  padding: var(--space-4) var(--space-6);
  color: var(--neutral-200);
  border-top: 1px solid var(--glass-border);
  white-space: nowrap;
}

.comparison-table tbody tr {
  transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
  background: rgba(74, 144, 226, 0.05);
}

.comparison-table .highlight-row {
  background: rgba(232, 93, 15, 0.05);
}

/* ── Contact Form ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
}

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

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-200);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--neutral-50);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-400);
  box-shadow: 0 0 0 3px rgba(232, 93, 15, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--neutral-500);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235a7090' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: var(--space-10);
}

.form-select option {
  background: var(--neutral-800);
  color: var(--neutral-100);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.contact-info-card:hover {
  border-color: var(--accent-400);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-info-title {
  font-weight: 600;
  color: var(--neutral-50);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.contact-info-text {
  font-size: var(--text-sm);
  color: var(--neutral-300);
}

.contact-info-text a {
  color: var(--neutral-200);
}

.contact-info-text a:hover {
  color: var(--accent-400);
}

/* ── Map ── */
.map-section {
  padding: var(--space-16) 0;
}

.map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  height: 400px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: brightness(0.8) contrast(1.1) saturate(0.8);
}

/* ── Availability Check ── */
.availability-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-10);
  backdrop-filter: blur(20px);
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.availability-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* ── About Page: Fiber vs Traditional ── */
.comparison-visual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-8);
  align-items: center;
}

.comparison-side {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
}

.comparison-side.fiber {
  background: linear-gradient(135deg, rgba(14, 165, 165, 0.1) 0%, rgba(10, 22, 40, 0.6) 100%);
  border: 1px solid var(--teal-500);
}

.comparison-side.traditional {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
}

.comparison-vs {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--accent-400);
  text-align: center;
}

.comparison-bar {
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--neutral-700);
  margin: var(--space-3) 0;
  overflow: hidden;
}

.comparison-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1.5s ease;
  width: 0;
}

.comparison-bar-fill.fiber {
  background: var(--gradient-teal);
}

.comparison-bar-fill.traditional {
  background: var(--neutral-500);
}

/* ── Infrastructure Grid ── */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.infra-card {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.infra-card:hover {
  border-color: var(--teal-400);
  transform: translateY(-2px);
}

.infra-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(14, 165, 165, 0.2) 0%, rgba(14, 165, 165, 0.05) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  flex-shrink: 0;
}

.infra-title {
  font-weight: 600;
  color: var(--neutral-50);
  margin-bottom: var(--space-1);
}

.infra-text {
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

/* ── Additional Services ── */
.services-icon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.service-icon-card {
  text-align: center;
  padding: var(--space-8);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.service-icon-card:hover {
  border-color: var(--accent-400);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-accent);
}

.service-icon-emoji {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  display: block;
}

.service-icon-title {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--neutral-50);
  margin-bottom: var(--space-2);
}

.service-icon-text {
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

/* ── WhatsApp Float ── */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 900;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

/* ── Footer ── */
.footer {
  background: var(--neutral-900);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--neutral-400);
  margin-top: var(--space-4);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neutral-300);
  font-size: var(--text-lg);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--accent-400);
  color: var(--accent-400);
  transform: translateY(-2px);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--neutral-50);
  margin-bottom: var(--space-5);
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--neutral-400);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-400);
  padding-left: var(--space-1);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--neutral-400);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

/* ── Animations ── */
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.95); }
}

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

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

/* Scroll animation classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }

  .hero-content h1 { font-size: var(--text-5xl); }

  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .infra-grid { grid-template-columns: 1fr; }
  .comparison-visual { grid-template-columns: 1fr; }
  .comparison-vs { padding: var(--space-4) 0; }
  .services-icon-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .logo-img { height: 40px; max-height: 40px; max-width: 175px; }
  .footer-logo-img { height: 44px; max-height: 46px; max-width: 190px; }
  .nav-links { display: none; }
  .nav .btn { display: none; }
  .hamburger { display: flex; }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .hero { min-height: auto; padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16); }
  .hero-content h1 { font-size: var(--text-4xl); }
  .hero-stats { flex-direction: column; gap: var(--space-6); }

  .section { padding: var(--space-16) 0; }
  .section-header { margin-bottom: var(--space-10); }

  .highlights-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }

  .pricing-card { padding: var(--space-8) var(--space-6); }

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

  .page-hero h1 { font-size: var(--text-4xl); }
  .page-hero { padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12); }
}

@media (max-width: 480px) {
  .logo-img { height: 34px; max-height: 36px; max-width: 150px; }
  .footer-logo-img { height: 38px; max-height: 40px; max-width: 170px; }
  .container { padding: 0 var(--space-4); }

  .hero-content h1 { font-size: var(--text-3xl); }
  .hero-content p { font-size: var(--text-base); }

  .highlights-grid { grid-template-columns: 1fr 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }

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

  .page-hero h1 { font-size: var(--text-3xl); }
  
  .whatsapp-float { width: 52px; height: 52px; bottom: var(--space-5); right: var(--space-5); }
}

/* ── 3D Enhancements ── */
.glass-card, .pricing-card {
  transform-style: preserve-3d;
}

.glass-card > *, .pricing-card > * {
  transform: translateZ(30px);
}