/*
Theme Name: AJ Code Labs 1
Theme URI: https://ajcodelabs.com
Author: AJ Code Labs
Author URI: https://ajcodelabs.com
Description: Tema corporativo tecnológico para AJ Code Labs — soluciones digitales de vanguardia.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: ajcodelabs
*/

/* ============================================================
   AJ Code Labs — Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-primary:    #050810;
  --bg-secondary:  #080d1a;
  --bg-card:       rgba(255,255,255,0.035);
  --border-card:   rgba(0,212,255,0.12);
  --accent-cyan:   #00d4ff;
  --accent-purple: #7b2fff;
  --accent-green:  #00ffb3;
  --text-primary:  #e8eaf6;
  --text-secondary:#8892b0;
  --text-muted:    #546080;
  --gradient-accent: linear-gradient(90deg, #00d4ff, #7b2fff);
  --font-main:     'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow-glow:   0 0 40px rgba(0,212,255,0.15);
  --transition:    0.35s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Canvas / Grid / Scanlines ──────────────────────────────── */
#particles-canvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.5;
}
.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPan 30s linear infinite;
}
@keyframes gridPan { to { background-position: 60px 60px; } }
.scanlines {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px);
}

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-cyan); border-radius: 3px; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-main); font-weight: 700; line-height: 1.2; }
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tag {
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-cyan);
  display: inline-flex; align-items: center; gap: 8px;
}
.tag::before { content: '//'; opacity: 0.5; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px; border-radius: var(--radius);
  font-family: var(--font-main); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: none; transition: var(--transition);
  position: relative; overflow: hidden;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,0.08); opacity: 0; transition: var(--transition);
}
.btn:hover::after { opacity: 1; }
.btn-primary {
  background: var(--gradient-accent); color: #fff;
  box-shadow: 0 4px 24px rgba(0,212,255,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(0,212,255,0.45); color: #fff; }
.btn-outline {
  background: transparent; color: var(--accent-cyan);
  border: 1px solid rgba(0,212,255,0.35);
}
.btn-outline:hover { border-color: var(--accent-cyan); background: rgba(0,212,255,0.06); transform: translateY(-2px); color: var(--accent-cyan); }

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 5%; height: 96px;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5,8,16,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,212,255,0.1);
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo img { height: 76px; width: auto; filter: drop-shadow(0 0 8px rgba(0,212,255,0.4)); }
.nav-logo-text { font-family: var(--font-main); font-weight: 700; font-size: 1.15rem; }
.nav-logo-text span { color: var(--accent-cyan); }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a {
  font-family: var(--font-main); font-weight: 500; font-size: 0.9rem;
  color: var(--text-secondary); letter-spacing: 0.02em; transition: var(--transition);
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--accent-cyan); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active, .nav-links .current-menu-item a, .nav-links .current_page_item a {
  color: var(--text-primary);
}
.nav-links a:hover::after, .nav-links a.active::after,
.nav-links .current-menu-item a::after, .nav-links .current_page_item a::after { width: 100%; }
.nav-cta { margin-left: 12px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.nav-toggle span { width: 24px; height: 2px; background: var(--accent-cyan); border-radius: 2px; transition: var(--transition); display: block; }

/* ── Section base ───────────────────────────────────────────── */
section { position: relative; z-index: 1; }
.section-padding { padding: 120px 5%; }
.section-sm { padding: 80px 5%; }
.section-header { text-align: center; margin-bottom: 72px; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3rem); margin-top: 16px; margin-bottom: 20px; }
.section-header p { max-width: 640px; margin: 0 auto; color: var(--text-secondary); font-size: 1.05rem; }
.divider { width: 80px; height: 2px; background: var(--gradient-accent); margin: 20px auto 0; border-radius: 2px; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: var(--radius-lg); padding: 36px 32px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--gradient-accent); transform: scaleX(0);
  transition: var(--transition); transform-origin: left;
}
.card:hover { border-color: rgba(0,212,255,0.25); transform: translateY(-6px); box-shadow: var(--shadow-glow); background: rgba(255,255,255,0.05); }
.card:hover::before { transform: scaleX(1); }
.card-icon { width: 56px; height: 56px; border-radius: 14px; background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.2); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 1.5rem; transition: var(--transition); }
.card:hover .card-icon { background: rgba(0,212,255,0.18); box-shadow: 0 0 20px rgba(0,212,255,0.2); }
.card h3 { font-size: 1.15rem; margin-bottom: 12px; font-family: var(--font-main); }
.card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; }

/* ── Glow blobs ─────────────────────────────────────────────── */
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.12; pointer-events: none; }
.blob-cyan { background: var(--accent-cyan); }
.blob-purple { background: var(--accent-purple); }
.blob-green { background: var(--accent-green); }

/* ── Hero ───────────────────────────────────────────────────── */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 5% 80px; position: relative; overflow: hidden; }
.hero-blob-1 { width: 600px; height: 600px; top: -200px; right: -100px; }
.hero-blob-2 { width: 400px; height: 400px; bottom: -100px; left: -50px; }
.hero-content { max-width: 760px; position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(0,212,255,0.06); border: 1px solid rgba(0,212,255,0.2);
  border-radius: 100px; padding: 8px 20px;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--accent-cyan); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 28px;
}
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--accent-cyan); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.8); } }
.hero h1 { font-size: clamp(2.8rem, 6vw, 5rem); letter-spacing: -0.03em; margin-bottom: 28px; line-height: 1.05; }
.hero p.lead { font-size: clamp(1rem, 1.8vw, 1.2rem); color: var(--text-secondary); max-width: 580px; margin-bottom: 44px; line-height: 1.75; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; margin-top: 72px; padding-top: 40px; border-top: 1px solid rgba(0,212,255,0.1); flex-wrap: wrap; }
.stat-number { font-family: var(--font-main); font-size: 2.4rem; font-weight: 700; color: var(--accent-cyan); line-height: 1; }
.stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 6px; text-transform: uppercase; letter-spacing: 0.08em; }
.hero-visual { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); width: min(45%, 560px); z-index: 2; }
.hero-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid rgba(0,212,255,0.2); box-shadow: var(--shadow-glow), 0 40px 80px rgba(0,0,0,0.6); }
.hero-img-wrap img { width: 100%; height: 480px; object-fit: cover; filter: brightness(0.75) saturate(1.2); }
.hero-img-wrap::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(123,47,255,0.1)); }
.hero-badge { position: absolute; bottom: 24px; left: 24px; background: rgba(5,8,16,0.85); backdrop-filter: blur(16px); border: 1px solid rgba(0,212,255,0.2); border-radius: var(--radius); padding: 14px 20px; z-index: 3; display: flex; align-items: center; gap: 12px; }
.badge-dot { width: 8px; height: 8px; background: var(--accent-green); border-radius: 50%; box-shadow: 0 0 10px var(--accent-green); animation: pulse 1.5s ease-in-out infinite; }
.badge-text { font-size: 0.82rem; color: var(--text-secondary); }
.badge-text strong { display: block; color: var(--text-primary); font-size: 0.88rem; }

/* ── Value grid ─────────────────────────────────────────────── */
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }

/* ── Segments ───────────────────────────────────────────────── */
.segments { background: linear-gradient(180deg, transparent, rgba(123,47,255,0.04) 50%, transparent); }
.segments-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.segment-card { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.segment-card:hover { transform: translateY(-8px); border-color: rgba(0,212,255,0.25); box-shadow: var(--shadow-glow); }
.segment-img { height: 220px; overflow: hidden; position: relative; }
.segment-img img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.65) saturate(1.15); transition: transform 0.6s ease; }
.segment-card:hover .segment-img img { transform: scale(1.06); }
.segment-img-overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent 40%, rgba(5,8,16,0.95)); }
.segment-img-label { position: absolute; bottom: 16px; left: 24px; font-family: var(--font-main); font-weight: 700; font-size: 1.3rem; }
.segment-body { padding: 28px 28px 32px; }
.segment-body p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.75; }
.segment-tag { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.chip { padding: 4px 14px; border-radius: 100px; font-size: 0.75rem; font-family: var(--font-mono); border: 1px solid rgba(0,212,255,0.2); color: var(--accent-cyan); background: rgba(0,212,255,0.05); }

/* ── Marquee ────────────────────────────────────────────────── */
.marquee-wrap { overflow: hidden; padding: 32px 0; border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); background: rgba(255,255,255,0.015); position: relative; z-index: 1; }
.marquee-track { display: flex; gap: 64px; animation: marquee 28s linear infinite; width: max-content; }
.marquee-item { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.12em; text-transform: uppercase; white-space: nowrap; display: flex; align-items: center; gap: 12px; }
.marquee-item::before { content: '◆'; font-size: 0.5rem; color: var(--accent-cyan); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner { background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(123,47,255,0.08)); border: 1px solid rgba(0,212,255,0.15); border-radius: var(--radius-lg); padding: 72px 60px; text-align: center; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -50%; left: 50%; transform: translateX(-50%); width: 400px; height: 400px; background: radial-gradient(circle, rgba(0,212,255,0.12), transparent 70%); pointer-events: none; }
.cta-banner h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 20px; }
.cta-banner p { color: var(--text-secondary); max-width: 520px; margin: 0 auto 36px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────────── */
footer { border-top: 1px solid rgba(255,255,255,0.05); padding: 60px 5% 32px; position: relative; z-index: 1; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 48px; margin-bottom: 56px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; margin-top: 16px; max-width: 280px; line-height: 1.75; }
.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); margin-bottom: 20px; font-family: var(--font-mono); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: var(--text-secondary); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent-cyan); padding-left: 6px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.05); flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.82rem; }
.social-links { display: flex; gap: 12px; }
.social-link { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: 0.9rem; transition: var(--transition); }
.social-link:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); background: rgba(0,212,255,0.06); }

/* ── Page Hero ──────────────────────────────────────────────── */
.page-hero { min-height: 22vh; display: flex; align-items: flex-end; padding: 100px 5% 40px; position: relative; overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; z-index: 0; }
.page-hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.2) saturate(1.2); }
.page-hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(5,8,16,0.95) 40%, rgba(5,8,16,0.5)); }
.page-hero-content { position: relative; z-index: 2; max-width: 700px; }
.page-hero-content h1 { font-size: clamp(2.2rem, 5vw, 4rem); margin: 16px 0 20px; }
.page-hero-content p { color: var(--text-secondary); font-size: 1.05rem; max-width: 540px; }

/* ── Services filter ────────────────────────────────────────── */
.services-filter { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.filter-btn { padding: 10px 28px; border-radius: 100px; font-family: var(--font-main); font-weight: 500; font-size: 0.88rem; cursor: pointer; border: 1px solid rgba(0,212,255,0.2); background: transparent; color: var(--text-secondary); transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: rgba(0,212,255,0.1); border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ── Service item ───────────────────────────────────────────── */
.service-item { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 72px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.service-item:last-child { border-bottom: none; }
.service-item.reverse { direction: rtl; }
.service-item.reverse > * { direction: ltr; }
.service-visual { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid rgba(0,212,255,0.15); }
.service-visual img { width: 100%; height: 360px; object-fit: cover; filter: brightness(0.7) saturate(1.2); }
.service-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,212,255,0.08), rgba(123,47,255,0.08)); }
.service-number { position: absolute; top: 20px; right: 20px; font-family: var(--font-mono); font-size: 4rem; font-weight: 700; color: rgba(0,212,255,0.08); line-height: 1; z-index: 2; }
.service-content h3 { font-size: clamp(1.6rem, 2.5vw, 2.2rem); margin: 16px 0 20px; letter-spacing: -0.02em; }
.service-content p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; margin-bottom: 20px; }
.benefits-list { display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.benefit-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9rem; color: var(--text-secondary); }
.benefit-item::before { content: '→'; color: var(--accent-cyan); font-weight: 700; flex-shrink: 0; margin-top: 2px; }

/* ── Contact ────────────────────────────────────────────────── */
.contact-section { padding: 100px 5%; position: relative; z-index: 1; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; margin-top: 32px; }
.contact-detail-icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(0,212,255,0.08); border: 1px solid rgba(0,212,255,0.15); display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.contact-detail-text strong { display: block; font-size: 0.82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; font-family: var(--font-mono); }
.contact-detail-text span { color: var(--text-primary); font-size: 0.95rem; }
.contact-form { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: 48px; }
.form-group { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
label { display: block; font-size: 0.82rem; font-family: var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
input, textarea, select { width: 100%; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 14px 18px; color: var(--text-primary); font-family: var(--font-body); font-size: 0.95rem; transition: var(--transition); outline: none; -webkit-appearance: none; }
input:focus, textarea:focus, select:focus { border-color: var(--accent-cyan); background: rgba(0,212,255,0.03); box-shadow: 0 0 0 3px rgba(0,212,255,0.08); }
input::placeholder, textarea::placeholder { color: var(--text-muted); }
textarea { resize: vertical; min-height: 140px; }
select option { background: #0d1327; }

/* Process & FAQ */
.process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 56px; }
.process-step { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-lg); padding: 32px 28px; transition: var(--transition); }
.process-step:hover { border-color: rgba(0,212,255,0.25); transform: translateY(-4px); }
.step-number { font-family: var(--font-mono); font-size: 2.8rem; font-weight: 700; line-height: 1; color: rgba(0,212,255,0.12); margin-bottom: 16px; }
.process-step h4 { font-size: 1rem; margin-bottom: 10px; font-family: var(--font-main); }
.process-step p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(0,212,255,0.2); }
.faq-question { padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-family: var(--font-main); font-size: 0.95rem; gap: 16px; }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; border: 1px solid rgba(0,212,255,0.3); display: flex; align-items: center; justify-content: center; color: var(--accent-cyan); font-size: 1rem; flex-shrink: 0; transition: var(--transition); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 28px; color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 28px 20px; }
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,212,255,0.1); }

/* Alert messages */
.alert { padding: 16px 24px; border-radius: var(--radius); margin-bottom: 24px; font-size: 0.92rem; }
.alert-success { background: rgba(0,255,179,0.08); border: 1px solid rgba(0,255,179,0.25); color: var(--accent-green); }
.alert-error { background: rgba(255,80,80,0.08); border: 1px solid rgba(255,80,80,0.25); color: #ff8080; }

/* ── Animations ─────────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ── Mobile nav ─────────────────────────────────────────────── */
.mobile-nav { position: fixed; inset: 0; z-index: 999; background: rgba(5,8,16,0.97); backdrop-filter: blur(20px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 36px; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); }
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { font-family: var(--font-main); font-size: 2rem; font-weight: 700; color: var(--text-secondary); transition: var(--transition); }
.mobile-nav a:hover { color: var(--accent-cyan); }
.mobile-nav-close { position: absolute; top: 24px; right: 28px; font-size: 1.5rem; cursor: pointer; background: none; border: none; color: var(--text-secondary); }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .segments-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .service-item { grid-template-columns: 1fr; gap: 36px; }
  .service-item.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .segments-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .cta-banner { padding: 48px 28px; }
  .contact-form { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .section-padding { padding: 80px 5%; }
}