/* ═══════════════════════════════════════════════════════════════
   VERMANN — Design System & Estilos principales
   Arquitectura: CSS Custom Properties → fácil rebranding futuro

   PALETA DE MARCA (Manual Oficial):
   ─ Azul principal  : #0E99F2  (color primario del ícono y "Ver")
   ─ Charcoal oscuro : #30333D  (color secundario de "mann" y ala derecha)
   ─ Blanco          : #FFFFFF
   ─ Tipografía base : Poppins  (tipografía oficial del logotipo)
   ═══════════════════════════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'Poppins', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ─── DESIGN TOKENS ────────────────────────────────────── */
:root {
  /* Colors */
  --bg-primary:       #060d1f;
  --bg-secondary:     #0a1628;
  --bg-section-alt:   #07112a;
  --bg-card:          #0d1b35;
  --bg-card-hover:    #112040;
  --bg-input:         #0a1628;

  /* ── Colores de marca Vermann (Manual Oficial) ── */
  --brand-blue:       #0E99F2;   /* azul primario — manual de logo */
  --brand-dark:       #30333D;   /* charcoal — manual de logo */
  --brand-white:      #FFFFFF;

  --accent-blue:      #0E99F2;
  --accent-blue-dark: #0b7cc4;   /* tono más profundo para gradientes */
  --accent-gradient:  linear-gradient(135deg, #0E99F2 0%, #0b7cc4 100%);
  --accent-glow:      rgba(14, 153, 242, 0.25);

  --text-primary:     #f1f5f9;
  --text-secondary:   #94a3b8;
  --text-muted:       #64748b;

  --border:           rgba(14, 153, 242, 0.15);
  --border-hover:     rgba(14, 153, 242, 0.45);
  --border-input:     rgba(148, 163, 184, 0.2);

  /* Shadows */
  --shadow-sm:        0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:        0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:        0 10px 40px rgba(0,0,0,0.5);
  --shadow-glow:      0 0 30px rgba(14, 153, 242, 0.2);
  --shadow-card:      0 4px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border);

  /* Spacing */
  --section-py:       6rem;
  --container-max:    1200px;
  --container-px:     1.5rem;

  /* Radius */
  --radius-sm:        8px;
  --radius-md:        12px;
  --radius-lg:        20px;
  --radius-xl:        28px;
  --radius-full:      9999px;

  /* Transitions */
  --transition-fast:  150ms ease;
  --transition-base:  250ms ease;
  --transition-slow:  400ms ease;

  /* Typography scale */
  --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;
}

/* ─── TIPOGRAFÍA DE MARCA ───────────────────────────────── */
/* Poppins en todos los títulos, botones y nav para coincidir con el logo */
h1, h2, h3, h4, h5, h6,
.btn, .nav-link, .section-tag,
.service-title, .why-card h3,
.hero-title, .section-title {
  font-family: 'Poppins', 'Inter', system-ui, sans-serif;
}

/* ─── UTILITIES ─────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

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

.section {
  padding: var(--section-py) 0;
}

/* Scroll reveal animation classes */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger delays for card grids */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.1s; }
.reveal:nth-child(5) { transition-delay: 0.2s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }

/* ─── BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn-lg {
  padding: 0.875rem 1.875rem;
  font-size: var(--text-base);
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(14, 153, 242, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(14, 153, 242, 0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-hover);
}
.btn-outline:hover {
  background: rgba(14, 153, 242, 0.08);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ─── SECTION HEADER ────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}
.section-tag {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: rgba(14, 153, 242, 0.12);
  border: 1px solid rgba(14, 153, 242, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-blue);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}
#navbar.scrolled {
  background: rgba(6, 13, 31, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-md);
  padding: 0.875rem 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--transition-base);
}
.nav-logo:hover { opacity: 0.82; }

/* drop-shadow sigue la forma real del logo, no un rectángulo.
   Levanta el ala charcoal sin ningún contenedor visible. */
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  filter:
    drop-shadow(0 0 4px rgba(255, 255, 255, 0.18))
    drop-shadow(0 1px 2px rgba(255, 255, 255, 0.10));
}

.footer-logo-img {
  height: 46px;
  width: auto;
  display: block;
  filter:
    drop-shadow(0 0 5px rgba(255, 255, 255, 0.15))
    drop-shadow(0 1px 3px rgba(255, 255, 255, 0.08));
}
.footer-logo-wrap {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1rem;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-link {
  padding: 0.5rem 0.875rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.nav-link.active { color: var(--accent-blue); }

.nav-cta { margin-left: 0.5rem; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Background layers */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid pattern — usa el azul de marca */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 153, 242, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 153, 242, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Radial glows — colores de marca */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(14, 153, 242, 0.18) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation: glowPulse 8s ease-in-out infinite;
}
.glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(48, 51, 61, 0.55) 0%, transparent 70%);
  bottom: -50px; right: -50px;
  animation: glowPulse 10s ease-in-out infinite reverse;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.1); }
}

/* Floating orbs — azul de marca */
.hero-orbs { position: absolute; inset: 0; }
.orb {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(14, 153, 242, 0.2);
  animation: orbFloat linear infinite;
}
.orb-1 { width: 300px; height: 300px; top: 10%; right: 10%; animation-duration: 20s; }
.orb-2 { width: 200px; height: 200px; bottom: 20%; left: 5%;  animation-duration: 15s; animation-direction: reverse; }
.orb-3 { width: 150px; height: 150px; top: 50%; right: 30%; animation-duration: 25s; }
@keyframes orbFloat {
  0%   { transform: translate(0, 0) rotate(0deg); }
  33%  { transform: translate(20px, -20px) rotate(120deg); }
  66%  { transform: translate(-10px, 15px) rotate(240deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 8rem 0 5rem;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(14, 153, 242, 0.12);
  border: 1px solid rgba(14, 153, 242, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-blue);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 1.75rem;
}
.hero-badge i { font-size: 0.8rem; }

.hero-title {
  font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.hero-subtitle strong { color: var(--text-primary); }

/* Typewriter */
.hero-typewriter {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}
.typewriter-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}
.typewriter-cursor {
  color: var(--accent-blue);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero trust chips — posicionamiento sin métricas inventadas */
.hero-trust {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  background: rgba(14, 153, 242, 0.08);
  border: 1px solid rgba(14, 153, 242, 0.25);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.trust-chip:hover {
  background: rgba(14, 153, 242, 0.14);
  border-color: rgba(14, 153, 242, 0.5);
  color: var(--text-primary);
}
.trust-chip i {
  color: var(--accent-blue);
  font-size: 0.8rem;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: var(--text-sm);
  animation: scrollBounce 2s ease infinite;
  transition: border-color var(--transition-base), color var(--transition-base);
}
.hero-scroll-indicator:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ═══════════════════════════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════════════════════════ */
.services-section {
  background: var(--bg-section-alt);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}

/* Top accent line */
.card-accent {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.service-card:hover .card-accent { opacity: 1; }

/* Featured card */
.service-card--featured {
  background: linear-gradient(135deg, #0f1f3d 0%, #0d2a50 100%);
  border-color: rgba(14, 153, 242, 0.3);
  box-shadow: var(--shadow-glow);
}
.service-card--featured .card-accent { opacity: 1; }

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  background: rgba(14, 153, 242, 0.15);
  border: 1px solid rgba(14, 153, 242, 0.3);
  border-radius: var(--radius-full);
  color: var(--accent-blue);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.featured-badge i { font-size: 0.65rem; }

.service-icon-wrap {
  margin-bottom: 1.5rem;
}
.service-icon {
  width: 56px; height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 153, 242, 0.12);
  border: 1px solid rgba(14, 153, 242, 0.2);
  border-radius: var(--radius-md);
  font-size: 1.375rem;
  color: var(--accent-blue);
  transition: background var(--transition-base), color var(--transition-base);
}
.service-card:hover .service-icon {
  background: rgba(14, 153, 242, 0.2);
  color: var(--accent-blue);
}

.service-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.service-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.service-features li i {
  color: var(--accent-blue);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-blue);
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.card-cta:hover {
  color: var(--accent-blue);
  gap: 0.6rem;
}

/* ═══════════════════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════════════════ */
.about-section { background: var(--bg-primary); }

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

.about-content .section-title {
  text-align: left;
  margin-bottom: 1.5rem;
}
.about-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-text--secondary {
  color: var(--text-muted);
  font-size: var(--text-sm);
}
.about-text em { color: var(--text-secondary); font-style: italic; }

.about-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.value-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(14, 153, 242, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
}
.value-chip i { color: var(--accent-blue); font-size: 0.8rem; }

/* Stats card */
.stats-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  box-shadow: var(--shadow-glow);
}

.stat-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base), background var(--transition-base);
}
.stat-item:hover {
  border-color: var(--border-hover);
  background: rgba(14, 153, 242, 0.04);
}

.stat-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 153, 242, 0.12);
  border-radius: var(--radius-sm);
  color: var(--accent-blue);
  font-size: 1rem;
  flex-shrink: 0;
}
.stat-content { display: flex; flex-direction: column; gap: 0.25rem; }

/* Pilares de posicionamiento — reemplaza los contadores falsos */
.stat-pillar {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: 'Poppins', 'Inter', system-ui, sans-serif;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-name {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

/* ═══════════════════════════════════════════════════════════
   WHY SECTION
   ═══════════════════════════════════════════════════════════ */
.why-section {
  background: var(--bg-section-alt);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.why-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  font-size: 1.125rem;
  color: #fff;
  margin-bottom: 1.25rem;
}

.why-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}
.why-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════════════════ */
.contact-section { background: var(--bg-primary); }

.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 3rem;
  align-items: start;
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-icon {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 153, 242, 0.12);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent-blue);
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-info-item h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.contact-info-item a,
.contact-info-item span {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.contact-info-item a:hover { color: var(--accent-blue); }

.contact-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.social-link {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition-base);
}
.social-link:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(14, 153, 242, 0.08);
  transform: translateY(-2px);
}

/* Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}
.required { color: var(--accent-blue); }
.optional {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(14, 153, 242, 0.15);
}
.form-input.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}
.form-input.success { border-color: #22c55e; }

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748b'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}
.form-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-error {
  font-size: var(--text-xs);
  color: #ef4444;
  min-height: 1em;
}


.form-submit {
  width: 100%;
  justify-content: center;
  position: relative;
}
.btn-loading { display: none; }
.form-submit.loading .btn-text { display: none; }
.form-submit.loading .btn-loading { display: inline-flex; align-items: center; gap: 0.5rem; }

/* Form status message */
.form-status {
  display: none;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
}
.form-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}
.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo { margin-bottom: 1rem; }
.footer-tagline {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.footer-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer-nav-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-nav a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer-nav a:hover { color: var(--accent-blue); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.footer-legal i { color: #ef4444; font-size: 0.7rem; }

/* ─── SCROLL TO TOP ─────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
  z-index: 900;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14, 153, 242, 0.45); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet (≤1024px)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  :root { --section-py: 5rem; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .services-grid .service-card:last-child { grid-column: 1 / -1; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .stats-card { max-width: 500px; }

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

  .contact-grid { grid-template-columns: 1fr; }
  .contact-info { flex-direction: row; flex-wrap: wrap; }
  .contact-info-item { flex: 1 1 200px; }
  .contact-social { flex-basis: 100%; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE — Mobile (≤768px)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --section-py: 4rem;
    --container-px: 1.25rem;
  }

  /* Navbar mobile */
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(6, 13, 31, 0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 100vh;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: var(--text-lg); padding: 0.75rem 1.5rem; }
  .nav-cta { display: none; }
  .nav-hamburger {
    display: flex;
    z-index: 1000;
    position: relative;
  }
  .nav-hamburger.open span { background: var(--text-primary); }

  /* Hero mobile */
  .hero-content { padding: 7rem 0 4rem; }
  .hero-title { font-size: var(--text-4xl); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-trust { gap: 0.5rem; }

  /* Services mobile */
  .services-grid { grid-template-columns: 1fr; }
  .services-grid .service-card:last-child { grid-column: unset; }

  /* About mobile */
  .stats-card { grid-template-columns: 1fr 1fr; }

  /* Why mobile */
  .why-grid { grid-template-columns: 1fr; }

  /* Contact mobile */
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 1.75rem; }
  .contact-info { flex-direction: column; }

  /* Footer mobile */
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: unset; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .scroll-top { bottom: 1.5rem; right: 1.5rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: var(--text-3xl); }
  .stats-card { grid-template-columns: 1fr; }
  .hero-trust { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .trust-chip { font-size: var(--text-xs); padding: 0.4rem 0.75rem; }
}