/* ============================================
   KARADENIZ ELEKTRIK — STYLE SYSTEM
   Color Palette: Navy #0a1628, Anthracite #1a2744,
                  White #ffffff, Red Accent #e63946
   Font: Inter (Google Fonts)
   Spacing: 8pt grid
   ============================================ */

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

:root {
  /* Colors */
  --navy: #0a1628;
  --navy-light: #1a2744;
  --navy-mid: #132035;
  --anthracite: #2a3a56;
  --accent: #e63946;
  --accent-hover: #d32f3f;
  --accent-glow: rgba(230, 57, 70, 0.25);
  --white: #ffffff;
  --gray-50: #f8f9fb;
  --gray-100: #eef1f6;
  --gray-200: #dce1ea;
  --gray-300: #b0b9c9;
  --gray-400: #7d8a9e;
  --gray-500: #5a6578;
  --whatsapp: #25d366;
  --whatsapp-hover: #1eb954;

  /* Typography */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 22, 40, 0.1);
  --shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
  --shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.16);
  --shadow-accent: 0 4px 24px rgba(230, 57, 70, 0.3);

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- ACCESSIBILITY ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- LAYOUT ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

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

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.96);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

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

/* Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  transition: color var(--duration) var(--ease);
  padding: var(--space-xs) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--duration) var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
}

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

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

.nav-btn--call {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.nav-btn--call:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}

.nav-btn--whatsapp {
  color: var(--white);
  background: var(--whatsapp);
}

.nav-btn--whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
  transform-origin: center;
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-mid) 50%, var(--navy-light) 100%);
  overflow: hidden;
  padding-top: 72px;
}

/* Hero background effects */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, black, transparent);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
}

.hero-glow--1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -200px;
  opacity: 0.12;
}

.hero-glow--2 {
  width: 500px;
  height: 500px;
  background: #1e90ff;
  bottom: -200px;
  left: -200px;
  opacity: 0.08;
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-3xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(230, 57, 70, 0.12);
  border: 1px solid rgba(230, 57, 70, 0.25);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  font-size: 1.05rem;
  color: var(--gray-300);
  line-height: 1.7;
}

/* Hero Actions */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
}

.btn--whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn--call {
  background: var(--accent);
  color: var(--white);
}

.btn--call:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Hero Trust Cards */
.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.trust-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: var(--gray-200);
  font-size: 0.88rem;
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.trust-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(230, 57, 70, 0.15);
  border-radius: var(--radius-sm);
  color: var(--accent);
  flex-shrink: 0;
}

/* ============================================
   SECTION HEADER (shared)
   ============================================ */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section-desc {
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
  background: var(--gray-50);
}

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

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  border: 1px solid var(--gray-100);
  transition: all var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #ff6b6b);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease);
}

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

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

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.08), rgba(230, 57, 70, 0.04));
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: var(--space-md);
  transition: all var(--duration) var(--ease);
}

.service-card:hover .service-card__icon {
  background: var(--accent);
  color: var(--white);
  transform: scale(1.05);
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-visual__card {
  background: linear-gradient(160deg, var(--navy), var(--navy-light));
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-visual__card::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.1;
  filter: blur(40px);
}

.about-visual__icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

.about-visual__number {
  display: block;
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.02em;
}

.about-visual__label {
  display: block;
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  margin-top: var(--space-xs);
}

.about-visual__dots {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  background-image: radial-gradient(circle, var(--accent) 1.5px, transparent 1.5px);
  background-size: 12px 12px;
  opacity: 0.3;
}

.about-text {
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about-stat {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.about-stat__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(230, 57, 70, 0.1);
  border-radius: var(--radius-sm);
  color: var(--accent);
}

/* ============================================
   REGIONS
   ============================================ */
.regions {
  background: linear-gradient(160deg, var(--navy), var(--navy-light));
  color: var(--white);
}

.regions .section-tag {
  color: var(--accent);
}

.regions .section-desc {
  color: var(--gray-300);
}

.regions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.region-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--duration) var(--ease);
}

.region-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(230, 57, 70, 0.3);
}

.region-card--featured {
  background: rgba(230, 57, 70, 0.08);
  border-color: rgba(230, 57, 70, 0.2);
}

.region-card__pin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: rgba(230, 57, 70, 0.12);
  border-radius: 50%;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.region-card__name {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
}

.region-card__desc {
  font-size: 0.9rem;
  color: var(--gray-300);
  line-height: 1.5;
}

/* ============================================
   WHY US
   ============================================ */
.why-us {
  background: var(--gray-50);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.why-card {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all var(--duration) var(--ease);
}

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

.why-card__number {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(230, 57, 70, 0.15);
  line-height: 1;
  flex-shrink: 0;
  letter-spacing: -0.04em;
  transition: color var(--duration) var(--ease);
}

.why-card:hover .why-card__number {
  color: var(--accent);
}

.why-card__content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.why-card__content p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  transition: all var(--duration) var(--ease);
}

.contact-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-2px);
}

.contact-card__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  border-radius: 50%;
  margin-bottom: var(--space-md);
}

.contact-card__avatar span {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}

.contact-card__name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.contact-card__role {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.contact-card__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-lg);
  transition: color var(--duration) var(--ease);
}

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

.contact-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

/* Contact region badge */
.contact-region {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  padding: var(--space-md) var(--space-xl);
  background: var(--gray-50);
  border-radius: var(--radius-full);
  color: var(--gray-500);
  font-size: 0.9rem;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--navy);
  color: var(--gray-300);
  padding: var(--space-3xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-md);
}

.footer-desc {
  font-size: 0.9rem;
  max-width: 300px;
  color: var(--gray-400);
  line-height: 1.6;
}

.footer h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-person {
  margin-bottom: var(--space-sm);
}

.footer-person strong {
  display: block;
  color: var(--gray-200);
  font-size: 0.88rem;
}

.footer-person a {
  font-size: 0.88rem;
  color: var(--gray-400);
  transition: color var(--duration) var(--ease);
}

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

.footer-region-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-region-tags span {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--gray-300);
  font-size: 0.82rem;
  font-weight: 500;
}

.footer-bottom {
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-400);
}

/* ============================================
   FLOATING WHATSAPP FAB
   ============================================ */
.fab-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
}

.fab-whatsapp__trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--duration) var(--ease);
  position: relative;
  z-index: 2;
}

.fab-whatsapp__trigger:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.fab-whatsapp__close {
  display: none;
}

.fab-whatsapp.open .fab-whatsapp__icon {
  display: none;
}

.fab-whatsapp.open .fab-whatsapp__close {
  display: block;
}

.fab-whatsapp__menu {
  position: absolute;
  bottom: 68px;
  right: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 260px;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.95);
  transition: all var(--duration) var(--ease);
  pointer-events: none;
}

.fab-whatsapp.open .fab-whatsapp__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.fab-whatsapp__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 14px 18px;
  transition: background var(--duration) var(--ease);
  border-bottom: 1px solid var(--gray-100);
}

.fab-whatsapp__item:last-child {
  border-bottom: none;
}

.fab-whatsapp__item:hover {
  background: var(--gray-50);
}

.fab-whatsapp__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--whatsapp);
  border-radius: 50%;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
}

.fab-whatsapp__item strong {
  display: block;
  font-size: 0.88rem;
  color: var(--navy);
}

.fab-whatsapp__item small {
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ============================================
   ANIMATIONS — Scroll Reveal
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.services-grid .reveal:nth-child(2) { transition-delay: 0.08s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.16s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.24s; }
.services-grid .reveal:nth-child(5) { transition-delay: 0.32s; }
.services-grid .reveal:nth-child(6) { transition-delay: 0.4s; }
.services-grid .reveal:nth-child(7) { transition-delay: 0.48s; }
.services-grid .reveal:nth-child(8) { transition-delay: 0.56s; }

.regions-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.regions-grid .reveal:nth-child(3) { transition-delay: 0.2s; }

.why-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.why-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.why-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-visual {
    max-width: 360px;
    margin: 0 auto;
  }
}

/* ============================================
   RESPONSIVE — MOBILE
   ============================================ */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration) var(--ease);
  }

  .nav-menu.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-menu .nav-link {
    font-size: 1.3rem;
    color: var(--white);
  }

  .nav-actions {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero-title {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-trust {
    flex-direction: column;
    gap: var(--space-sm);
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .hero-actions {
    flex-direction: column;
  }

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

  .btn--sm {
    font-size: 0.82rem;
    padding: 10px 14px;
  }

  .fab-whatsapp {
    bottom: 16px;
    right: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .nav-container {
    padding: 0 var(--space-md);
  }

  .service-card {
    padding: var(--space-lg);
  }

  .contact-card {
    padding: var(--space-xl) var(--space-md);
  }

  .why-card {
    padding: var(--space-lg);
    gap: var(--space-md);
  }

  .why-card__number {
    font-size: 2rem;
  }
}