/* ============================================
   2 PRO BAT — Main Stylesheet
   Bâtiment & Travaux Publics, Bizerte, Tunisie
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Open+Sans:wght@300;400;600&display=swap');

/* ─── CSS Custom Properties ─── */
:root {
  --primary:       #0D2137;
  --primary-mid:   #1A3A5C;
  --primary-light: #234d7a;
  --accent:        #E8921A;
  --accent-dark:   #c97a10;
  --accent-light:  #f0a840;
  --light:         #F5F7F9;
  --white:         #FFFFFF;
  --text:          #2C2C2C;
  --text-mid:      #555555;
  --text-light:    #888888;
  --border:        #E0E0E0;
  --shadow:        0 4px 24px rgba(0,0,0,0.09);
  --shadow-strong: 0 10px 45px rgba(0,0,0,0.16);
  --radius:        6px;
  --radius-lg:     12px;
  --transition:    all 0.3s ease;
  --container:     1200px;
  --nav-height:    80px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
h1,h2,h3,h4,h5 { font-family: 'Montserrat', sans-serif; line-height: 1.3; }

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

/* ══════════════════════════════════════
   NAVIGATION
══════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--primary);
  z-index: 1000;
  transition: var(--transition);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.navbar.scrolled {
  background: rgba(13,33,55,0.97);
  backdrop-filter: blur(12px);
}
.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 50px; height: 50px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 14px;
  color: white;
  letter-spacing: 0;
  flex-shrink: 0;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: white;
  letter-spacing: 1px;
}
.logo-tagline { font-size: 10px; color: rgba(255,255,255,0.55); letter-spacing: 0.8px; text-transform: uppercase; }

/* Nav Links */
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  display: block;
  padding: 8px 15px;
  color: rgba(255,255,255,0.8);
  font-family: 'Montserrat', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  position: relative;
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%; right: 50%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: white; }
.nav-links a:hover::after,
.nav-links a.active::after { left: 15px; right: 15px; }
.nav-cta {
  background: var(--accent) !important;
  color: white !important;
  border-radius: var(--radius) !important;
  padding: 9px 20px !important;
  margin-left: 6px !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }
.nav-cta::after { display: none !important; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 1px;
  margin-left: 14px;
  flex-shrink: 0;
}
.lang-opt {
  background: none;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  padding: 4px 9px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  line-height: 1;
}
.lang-opt:hover { color: var(--accent-light); border-color: rgba(232,146,26,0.4); }
.lang-opt.active {
  color: white;
  background: var(--accent);
  border-color: var(--accent);
}
.lang-sep {
  color: rgba(255,255,255,0.2);
  font-size: 13px;
  user-select: none;
  padding: 0 1px;
}

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 24px; height: 2px; background: white; border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(13,33,55,0.93) 0%, rgba(26,58,92,0.87) 60%, rgba(13,33,55,0.75) 100%),
    url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?w=1920&q=80&auto=format') center/cover no-repeat;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(to top, white, transparent);
  pointer-events: none;
}
.hero-content { max-width: 780px; padding: 80px 0; position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,146,26,0.15);
  border: 1px solid rgba(232,146,26,0.4);
  color: var(--accent-light);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(42px, 6.5vw, 76px);
  font-weight: 900;
  color: white;
  line-height: 1.05;
  margin-bottom: 20px;
  letter-spacing: -1.5px;
}
.hero h1 span { color: var(--accent); }
.hero-subtitle {
  font-size: clamp(17px, 2.2vw, 22px);
  color: rgba(255,255,255,0.82);
  margin-bottom: 14px;
  font-weight: 300;
  letter-spacing: 0.3px;
}
.hero-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.62);
  margin-bottom: 44px;
  max-width: 560px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: var(--radius);
  font-family: 'Montserrat', sans-serif;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(232,146,26,0.4);
}
.btn-outline { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.1);
  transform: translateY(-3px);
}
.btn-dark { background: var(--primary); color: white; }
.btn-dark:hover { background: var(--primary-mid); transform: translateY(-3px); box-shadow: var(--shadow); }

/* ══════════════════════════════════════
   SECTIONS
══════════════════════════════════════ */
section { padding: 90px 0; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  display: inline-block;
  color: var(--accent);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-divider {
  width: 48px; height: 3px;
  background: var(--accent);
  margin: 0 auto 20px;
  border-radius: 2px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.85;
}
.bg-light  { background: var(--light); }
.bg-dark   { background: var(--primary); }
.bg-dark .section-title { color: white; }
.bg-dark .section-desc  { color: rgba(255,255,255,0.65); }
.bg-dark .section-label { color: var(--accent-light); }

/* ══════════════════════════════════════
   INTRO (Home)
══════════════════════════════════════ */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.intro-img-wrap { position: relative; }
.intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}
.intro-img img { width: 100%; height: 440px; object-fit: cover; }
.exp-badge {
  position: absolute;
  bottom: -24px; right: -24px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(232,146,26,0.4);
  min-width: 130px;
}
.exp-badge .num {
  font-family: 'Montserrat', sans-serif;
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
  display: block;
}
.exp-badge .txt { font-size: 11px; font-weight: 700; letter-spacing: 0.5px; opacity: 0.9; display: block; }
.intro-content { padding-left: 10px; }
.intro-content .section-header { text-align: left; margin-bottom: 20px; }
.intro-content .section-divider { margin: 0 0 20px; }
.intro-content p { font-size: 15px; color: var(--text-mid); line-height: 1.9; margin-bottom: 16px; }
.intro-checks { display: flex; flex-direction: column; gap: 12px; margin: 24px 0 32px; }
.check-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text); font-weight: 600; }
.check-icon { color: var(--accent); font-size: 16px; flex-shrink: 0; }

/* ══════════════════════════════════════
   SERVICES GRID
══════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}
.service-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid transparent;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 80px; height: 80px;
  background: rgba(232,146,26,0.04);
  border-radius: 0 var(--radius-lg) 0 80px;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-strong);
  border-left-color: var(--accent);
}
.service-card:hover::before { background: rgba(232,146,26,0.08); }
.service-icon {
  width: 62px; height: 62px;
  background: rgba(232,146,26,0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  transition: var(--transition);
  color: var(--accent);
}
.service-card:hover .service-icon { background: var(--accent); color: white; }
.service-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
.service-card p  { font-size: 13.5px; color: var(--text-mid); line-height: 1.75; }

/* ══════════════════════════════════════
   STATS STRIP
══════════════════════════════════════ */
.stats-strip { padding: 70px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
  text-align: center;
}
.stat-item { padding: 24px 16px; }
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 58px;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}
.stat-label { font-size: 13px; color: rgba(255,255,255,0.65); letter-spacing: 0.5px; line-height: 1.5; }

/* ══════════════════════════════════════
   ACTIVITY BREAKDOWN
══════════════════════════════════════ */
.activity-breakdown { display: flex; flex-direction: column; gap: 28px; }
.activity-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.activity-label { font-size: 14px; font-weight: 600; color: var(--text); max-width: 82%; line-height: 1.4; }
.activity-pct {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
}
.progress-bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 4px;
  width: 0;
  transition: width 1.4s cubic-bezier(0.4,0,0.2,1);
}

/* ══════════════════════════════════════
   VALUES
══════════════════════════════════════ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}
.value-card {
  text-align: center;
  padding: 40px 20px 32px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid transparent;
}
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-strong); border-top-color: var(--accent); }
.value-icon { font-size: 38px; margin-bottom: 16px; }
.value-card h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

/* ══════════════════════════════════════
   WHY CHOOSE US
══════════════════════════════════════ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}
.why-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.why-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }
.why-icon {
  width: 46px; height: 46px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}
.why-item h3 { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.why-item p  { font-size: 13px; color: var(--text-mid); line-height: 1.65; }

/* ══════════════════════════════════════
   PROJECTS
══════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.project-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-strong); }
.project-img {
  height: 230px;
  background: linear-gradient(135deg, var(--primary-mid), var(--primary));
  overflow: hidden;
  position: relative;
}
.project-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.project-card:hover .project-img img { transform: scale(1.06); }
.project-tag {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: white;
  font-size: 10.5px;
  font-weight: 700;
  padding: 5px 13px;
  border-radius: 20px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.project-info { padding: 26px 24px; }
.project-info h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.project-info p  { font-size: 13.5px; color: var(--text-mid); line-height: 1.7; }
.project-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-light);
}
.project-meta i { color: var(--accent); margin-right: 4px; }

/* ══════════════════════════════════════
   PAGE HERO (inner pages)
══════════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  padding: 130px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(232,146,26,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.04) 0%, transparent 40%);
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--accent-light); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: rgba(255,255,255,0.25); }
.page-hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.page-hero p { font-size: 17px; color: rgba(255,255,255,0.68); max-width: 600px; margin: 0 auto; }

/* ══════════════════════════════════════
   CERTIFICATION BANNER
══════════════════════════════════════ */
.cert-banner { background: linear-gradient(90deg, var(--accent-dark), var(--accent)); padding: 56px 0; }
.cert-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  text-align: center;
  flex-wrap: wrap;
}
.cert-icon-wrap {
  width: 80px; height: 80px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.cert-text h3 { font-size: 24px; font-weight: 800; color: white; margin-bottom: 4px; }
.cert-text p  { font-size: 15px; color: rgba(255,255,255,0.85); }

/* ══════════════════════════════════════
   CTA SECTION
══════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 60%, rgba(232,146,26,0.1) 0%, transparent 60%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; color: white; margin-bottom: 16px; }
.cta-section p  { font-size: 17px; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 36px; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}
.contact-info-block {}
.contact-info-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 32px;
  padding: 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.contact-icon-wrap {
  width: 52px; height: 52px;
  background: rgba(232,146,26,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  flex-shrink: 0;
  border: 1px solid rgba(232,146,26,0.2);
}
.contact-info-item h4 { font-size: 13px; font-weight: 700; color: var(--primary); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }
.contact-info-item p, .contact-info-item a { font-size: 15px; color: var(--text-mid); }
.contact-info-item a:hover { color: var(--accent); }

/* Contact Form */
.contact-form-card { background: white; border-radius: var(--radius-lg); padding: 44px; box-shadow: var(--shadow-strong); }
.form-title { font-size: 24px; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
.form-subtitle { font-size: 14px; color: var(--text-mid); margin-bottom: 32px; }
.form-group { margin-bottom: 22px; }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-group label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text); margin-bottom: 7px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Open Sans', sans-serif;
  font-size: 14px;
  color: var(--text);
  background: white;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,146,26,0.1); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; padding: 15px; font-size: 15px; justify-content: center; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
footer { background: var(--primary); color: white; padding: 80px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.9; margin: 20px 0 24px; }
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.social-btn:hover { background: var(--accent); color: white; }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.footer-links { display: flex; flex-direction: column; gap: 11px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.58); transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 16px; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; }
.footer-contact-item i { font-size: 15px; color: var(--accent); margin-top: 3px; flex-shrink: 0; }
.footer-contact-item p { font-size: 13.5px; color: rgba(255,255,255,0.58); line-height: 1.6; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: var(--accent-light); }

/* ══════════════════════════════════════
   SCROLL TO TOP
══════════════════════════════════════ */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(232,146,26,0.4);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(12px);
  z-index: 999;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--accent-dark); transform: translateY(-2px); }

/* ══════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════ */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left  { opacity: 0; transform: translateX(-30px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in-right { opacity: 0; transform: translateX(30px);  transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in-left.visible,
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* ─── Utility responsive 2-col ─── */
@media (max-width: 900px) {
  div[style*="grid-template-columns:1fr 1fr"],
  .responsive-2col {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid    { grid-template-columns: 1fr 1fr; }
  .intro-grid     { grid-template-columns: 1fr; gap: 50px; }
  .intro-img-wrap { max-width: 540px; margin: 0 auto; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 70px; }
  section { padding: 65px 0; }

  .nav-links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    border-top: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-links a { padding: 12px 16px; border-radius: var(--radius); }
  .nav-cta { margin-left: 0 !important; text-align: center; display: block; }
  .hamburger { display: flex; }
  .lang-switcher { margin-left: 8px; }
  .lang-opt { padding: 3px 7px; font-size: 10px; }

  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }
  .exp-badge  { bottom: -16px; right: 16px; }
  .contact-form-card { padding: 28px 20px; }
  .cert-inner { gap: 16px; }
}

@media (max-width: 480px) {
  .stats-grid  { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .hero h1     { letter-spacing: -0.5px; }
  .page-hero   { padding: 110px 0 60px; }
}