/* ================================================
   A3 ENGINEERING WORKS — MAIN STYLESHEET v1.0.0
   ================================================ */

:root {
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-accent-light: #fcd34d;
  --color-dark: #0d0d0d;
  --color-white: #ffffff;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Barlow Condensed', 'Inter', sans-serif;
  --section-pad: 100px;
  --container-max: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --transition: 250ms ease;
  --z-header: 1000;
}

/* ================================================ RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--color-gray-700); background: var(--color-white); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }
body.no-scroll { overflow: hidden; }

/* ================================================ TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-gray-900);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.25rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.875rem, 4vw, 3rem); }
h3 { font-size: clamp(1.375rem, 3vw, 1.875rem); }
h4 { font-size: 1.25rem; }
p { line-height: 1.7; }

/* ================================================ LAYOUT */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 840px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: var(--section-pad) 0; }
.section-sm { padding: 60px 0; }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(245,158,11,0.1);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
  border: 1px solid rgba(245,158,11,0.2);
}
.section-header h2 { margin-bottom: 14px; }
.section-header p { color: var(--color-gray-500); font-size: 1.0625rem; }

.bg-dark { background-color: var(--color-dark); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--color-white); }
.bg-dark .section-tag { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.2); }
.bg-dark .section-header p { color: var(--color-gray-400); }
.bg-light { background-color: var(--color-gray-100); }

/* ================================================ BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: var(--color-dark); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: var(--color-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(245,158,11,0.35); }
.btn-outline { background: transparent; color: var(--color-white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--color-white); color: var(--color-white); }
.btn-dark { background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark); }
.btn-dark:hover { background: var(--color-gray-800); color: var(--color-white); transform: translateY(-1px); }
.btn-outline-dark { background: transparent; color: var(--color-dark); border-color: var(--color-gray-300); }
.btn-outline-dark:hover { background: var(--color-dark); color: var(--color-white); border-color: var(--color-dark); }
.btn-lg { padding: 17px 34px; font-size: 1rem; }
.btn-sm { padding: 9px 18px; font-size: 0.875rem; }
.btn-full { width: 100%; justify-content: center; }
.btn i, .btn svg { font-size: 1em; }

/* ================================================ HEADER */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header); transition: all var(--transition); }

.header-topbar { background: var(--color-accent); padding: 8px 0; }
.header-topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar-contact { display: flex; gap: 24px; align-items: center; }
.topbar-contact a { color: var(--color-dark); font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: 6px; text-decoration: none; }
.topbar-contact a:hover { text-decoration: underline; color: var(--color-dark); }
.topbar-social { display: flex; gap: 10px; align-items: center; }
.topbar-social a { color: var(--color-dark); font-size: 0.875rem; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 150ms ease; }
.topbar-social a:hover { background: rgba(0,0,0,0.12); color: var(--color-dark); }

.header-main { background: var(--color-dark); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; height: 68px; }

.site-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.site-logo img { height: 44px; width: auto; }
.logo-text-name { font-family: var(--font-heading); font-size: 1.0625rem; font-weight: 800; color: var(--color-white); line-height: 1.1; letter-spacing: 0.02em; display: block; }
.logo-text-tag { font-size: 0.6rem; color: var(--color-accent); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; display: block; margin-top: 2px; }

.main-nav { flex: 1; }
.main-nav ul { display: flex; align-items: center; gap: 0; }
.main-nav ul li { position: relative; }
.main-nav ul li a { display: block; padding: 22px 14px; color: var(--color-gray-300); font-size: 0.875rem; font-weight: 500; text-decoration: none; transition: color 150ms ease; white-space: nowrap; line-height: 1; position: relative; }
.main-nav ul li a:hover,
.main-nav ul li.current-menu-item > a,
.main-nav ul li.current-page-ancestor > a { color: var(--color-accent); }
.main-nav ul li.current-menu-item > a::after { content: ''; position: absolute; bottom: 0; left: 14px; right: 14px; height: 2px; background: var(--color-accent); }

/* Dropdown */
.main-nav ul li ul { position: absolute; top: 100%; left: 0; background: var(--color-gray-900); min-width: 220px; border-radius: 0 0 var(--radius-md) var(--radius-md); padding: 8px 0; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: all var(--transition); z-index: var(--z-header); flex-direction: column; gap: 0; }
.main-nav ul li:hover > ul { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav ul li ul li a { padding: 10px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); color: var(--color-gray-400); }
.main-nav ul li ul li:last-child a { border-bottom: none; }
.main-nav ul li ul li a:hover { color: var(--color-accent); }

.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; width: 40px; height: 40px; gap: 5px; cursor: pointer; padding: 0; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-white); transition: all var(--transition); transform-origin: center; }
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Scrolled */
.site-header.scrolled .header-topbar { height: 0; overflow: hidden; padding: 0; }
.site-header.scrolled .header-main { box-shadow: 0 2px 20px rgba(0,0,0,0.35); }

/* Mobile Nav */
.mobile-nav-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #090909; z-index: 999; padding: 90px 24px 40px; transform: translateX(-100%); transition: transform 400ms ease; overflow-y: auto; }
.mobile-nav-overlay.is-open { transform: translateX(0); }
.mobile-nav ul li a { display: block; padding: 16px 0; color: var(--color-white); font-size: 1.25rem; font-weight: 600; border-bottom: 1px solid rgba(255,255,255,0.07); }
.mobile-nav ul li a:hover { color: var(--color-accent); }
.mobile-nav-cta { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.mobile-nav-contact { margin-top: 32px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.07); display: flex; flex-direction: column; gap: 14px; }
.mobile-nav-contact a { color: var(--color-gray-400); font-size: 0.9375rem; display: flex; align-items: center; gap: 10px; }
.mobile-nav-contact a i { color: var(--color-accent); width: 16px; font-size: 0.875rem; }
.mobile-nav-contact a:hover { color: var(--color-white); }

/* ================================================ HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: var(--color-dark); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.12; }
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 85%, rgba(245,158,11,0.07) 0%, transparent 50%),
    radial-gradient(circle at 85% 15%, rgba(245,158,11,0.04) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.018'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-gradient { position: absolute; bottom: 0; left: 0; right: 0; height: 200px; background: linear-gradient(transparent, var(--color-dark)); pointer-events: none; }
.hero .container { position: relative; z-index: 1; padding-top: 130px; padding-bottom: 80px; display: grid; grid-template-columns: 1fr 420px; gap: 60px; align-items: center; }
.hero-content { max-width: 700px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.22); color: var(--color-accent); padding: 7px 14px; border-radius: 100px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 22px; }
.hero-badge .badge-dot { width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; animation: pulse-dot 2s infinite; flex-shrink: 0; }
.hero h1 { color: var(--color-white); margin-bottom: 22px; line-height: 1.05; }
.hero h1 .text-accent { color: var(--color-accent); }
.hero-sub { font-size: 1.125rem; color: var(--color-gray-400); margin-bottom: 36px; line-height: 1.75; max-width: 580px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-divider { height: 1px; background: rgba(255,255,255,0.08); margin-bottom: 36px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stat-num { font-family: var(--font-heading); font-size: 2.25rem; font-weight: 900; color: var(--color-white); line-height: 1; }
.hero-stat-num .accent { color: var(--color-accent); }
.hero-stat-label { font-size: 0.75rem; color: var(--color-gray-500); font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }

.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-logo-wrap { position: relative; width: 340px; height: 340px; display: flex; align-items: center; justify-content: center; }
.hero-logo-gear { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0.12; animation: rotate-gear 40s linear infinite; }
.hero-logo-gear img { width: 100%; height: 100%; object-fit: contain; filter: invert(1); }
.hero-logo-center { position: relative; z-index: 1; width: 200px; height: 200px; border-radius: 50%; border: 1.5px solid rgba(245,158,11,0.2); background: rgba(245,158,11,0.04); display: flex; align-items: center; justify-content: center; box-shadow: 0 0 60px rgba(245,158,11,0.06); }
.hero-logo-center img { width: 140px; height: 140px; object-fit: contain; }

/* ================================================ HOW IT WORKS */
.how-it-works { background: var(--color-gray-100); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--color-gray-200); border-radius: var(--radius-lg); overflow: hidden; }
.step-card { background: var(--color-white); padding: 44px 36px; position: relative; transition: all var(--transition); }
.step-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-accent); opacity: 0; transition: opacity var(--transition); }
.step-card:hover::after { opacity: 1; }
.step-card:hover { box-shadow: var(--shadow-md); }
.step-num { font-family: var(--font-heading); font-size: 3.5rem; font-weight: 900; color: var(--color-gray-100); line-height: 1; margin-bottom: 16px; }
.step-icon-box { width: 52px; height: 52px; background: var(--color-accent); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 1.375rem; color: var(--color-dark); }
.step-card h3 { font-size: 1.1875rem; margin-bottom: 10px; color: var(--color-gray-900); }
.step-card p { color: var(--color-gray-500); font-size: 0.9375rem; line-height: 1.65; margin: 0; }
.steps-connector { display: flex; align-items: center; justify-content: center; margin-top: -1px; }

/* ================================================ SERVICES */
.services-section { background: var(--color-white); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-bottom: 1.25rem; }
.services-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; max-width: 860px; margin: 0 auto; }
.service-card { background: var(--color-white); border: 1.5px solid var(--color-gray-200); border-radius: var(--radius-lg); padding: 32px 28px; transition: all 300ms ease; position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 0; background: var(--color-accent); transition: height 300ms ease; z-index: 0; }
.service-card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.service-card:hover::before { height: 3px; }
.service-card > * { position: relative; z-index: 1; }
.service-icon { width: 60px; height: 60px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: var(--color-gray-100); transition: all var(--transition); font-size: 1.75rem; color: var(--color-gray-600); }
.service-card:hover .service-icon { background: var(--color-accent); color: var(--color-dark); }
.service-code { font-size: 0.65rem; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-accent); background: rgba(245,158,11,0.08); padding: 3px 10px; border-radius: 100px; display: inline-block; margin-bottom: 10px; }
.service-card h3 { font-size: 1.25rem; margin-bottom: 10px; color: var(--color-gray-900); font-family: var(--font-heading); }
.service-card > p { color: var(--color-gray-500); font-size: 0.9rem; line-height: 1.65; margin-bottom: 18px; }
.service-list { display: flex; flex-direction: column; gap: 7px; }
.service-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--color-gray-600); line-height: 1.45; }
.service-list li::before { content: ''; width: 5px; height: 5px; background: var(--color-accent); border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.service-learn { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 0.875rem; font-weight: 600; color: var(--color-accent); transition: gap var(--transition); }
.service-card:hover .service-learn { gap: 10px; }

/* ================================================ WHY CHOOSE A3 */
.why-us-section { background: var(--color-dark); position: relative; overflow: hidden; }
.why-us-section::before { content: ''; position: absolute; top: 0; right: 0; width: 500px; height: 500px; background: radial-gradient(circle, rgba(245,158,11,0.05) 0%, transparent 70%); pointer-events: none; }
.why-us-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.why-us-left h2 { color: var(--color-white); margin-bottom: 16px; }
.why-us-left > p { color: var(--color-gray-400); font-size: 1.0625rem; line-height: 1.75; margin-bottom: 36px; }
.why-us-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.features-list { display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius-lg); overflow: hidden; }
.feature-item { display: flex; align-items: flex-start; gap: 18px; padding: 24px 28px; background: rgba(255,255,255,0.01); border-bottom: 1px solid rgba(255,255,255,0.06); transition: background var(--transition); }
.feature-item:last-child { border-bottom: none; }
.feature-item:hover { background: rgba(255,255,255,0.035); }
.feature-icon { width: 46px; height: 46px; flex-shrink: 0; background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.18); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.125rem; color: var(--color-accent); transition: all var(--transition); }
.feature-item:hover .feature-icon { background: var(--color-accent); color: var(--color-dark); border-color: var(--color-accent); }
.feature-text h4 { color: var(--color-white); font-size: 0.9375rem; font-weight: 700; margin-bottom: 5px; font-family: var(--font-body); }
.feature-text p { color: var(--color-gray-400); font-size: 0.875rem; line-height: 1.6; margin: 0; }

/* ================================================ INDUSTRIES */
.industries-section { background: var(--color-white); }
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.industry-card { background: var(--color-gray-100); border-radius: var(--radius-md); padding: 28px 20px; text-align: center; transition: all var(--transition); border: 1.5px solid transparent; cursor: default; }
.industry-card:hover { background: var(--color-dark); border-color: rgba(245,158,11,0.3); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.industry-icon { width: 50px; height: 50px; background: var(--color-dark); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 1.25rem; color: var(--color-accent); transition: all var(--transition); }
.industry-card:hover .industry-icon { background: var(--color-accent); color: var(--color-dark); }
.industry-card h4 { font-size: 0.9rem; font-weight: 600; color: var(--color-gray-800); font-family: var(--font-body); transition: color var(--transition); line-height: 1.35; }
.industry-card:hover h4 { color: var(--color-white); }

/* ================================================ QUALITY */
.quality-section { background: #0a0a0a; position: relative; overflow: hidden; }
.quality-section::before { content: 'QUALITY'; position: absolute; right: -80px; top: 50%; transform: translateY(-50%); font-family: var(--font-heading); font-size: 180px; font-weight: 900; color: rgba(255,255,255,0.012); pointer-events: none; line-height: 1; white-space: nowrap; }
.quality-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.quality-left h2 { color: var(--color-white); margin-bottom: 16px; }
.quality-left > p { color: var(--color-gray-400); font-size: 1.0625rem; line-height: 1.75; margin-bottom: 30px; }
.quality-checklist { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.quality-checklist li { display: flex; align-items: flex-start; gap: 12px; color: var(--color-gray-300); font-size: 0.9375rem; }
.check-ico { width: 20px; height: 20px; border-radius: 50%; background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.25); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; color: var(--color-accent); font-size: 0.6rem; }
.quality-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.q-stat-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius-lg); padding: 28px 20px; text-align: center; transition: all var(--transition); }
.q-stat-card:hover { background: rgba(255,255,255,0.05); border-color: rgba(245,158,11,0.18); }
.q-stat-card.span-2 { grid-column: span 2; }
.q-stat-num { font-family: var(--font-heading); font-size: 3rem; font-weight: 900; color: var(--color-accent); line-height: 1; margin-bottom: 6px; }
.q-stat-lbl { font-size: 0.8rem; color: var(--color-gray-400); font-weight: 500; line-height: 1.4; }

/* ================================================ QUOTE SECTION */
.quote-section { background: var(--color-gray-100); }
.quote-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.quote-info h2 { margin-bottom: 14px; }
.quote-info > p { color: var(--color-gray-500); font-size: 1.0625rem; line-height: 1.75; margin-bottom: 32px; }
.quote-contact-list { display: flex; flex-direction: column; gap: 16px; }
.quote-contact-item { display: flex; align-items: center; gap: 14px; }
.contact-ico { width: 44px; height: 44px; background: var(--color-dark); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-accent); font-size: 1rem; flex-shrink: 0; }
.contact-detail-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-gray-400); font-weight: 600; margin-bottom: 2px; }
.contact-detail-value { font-size: 0.9375rem; font-weight: 600; color: var(--color-gray-800); }
.contact-detail-value a { color: inherit; }
.contact-detail-value a:hover { color: var(--color-accent); }

.quote-form-card { background: var(--color-white); border-radius: var(--radius-xl); padding: 44px 40px; box-shadow: var(--shadow-lg); border: 1px solid var(--color-gray-200); }
.quote-form-card h3 { margin-bottom: 6px; font-size: 1.5rem; }
.quote-form-card > p { color: var(--color-gray-500); font-size: 0.9rem; margin-bottom: 26px; }
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--color-gray-700); margin-bottom: 7px; }
.form-label .req { color: #ef4444; margin-left: 2px; }
.form-control { display: block; width: 100%; padding: 11px 14px; border: 1.5px solid var(--color-gray-200); border-radius: var(--radius-md); font-size: 0.9375rem; font-family: var(--font-body); color: var(--color-gray-700); background: var(--color-white); transition: border-color 150ms ease, box-shadow 150ms ease; outline: none; }
.form-control:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); }
.form-control::placeholder { color: var(--color-gray-300); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; cursor: pointer; }

.upload-zone { border: 2px dashed var(--color-gray-200); border-radius: var(--radius-md); padding: 24px; text-align: center; cursor: pointer; transition: all var(--transition); position: relative; background: var(--color-gray-100); }
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--color-accent); background: rgba(245,158,11,0.03); }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.upload-ico { width: 44px; height: 44px; background: var(--color-gray-200); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; font-size: 1.125rem; color: var(--color-gray-500); }
.upload-title { font-weight: 600; color: var(--color-gray-700); font-size: 0.9rem; margin-bottom: 4px; }
.upload-sub { font-size: 0.78rem; color: var(--color-gray-400); }
.upload-sub span { color: var(--color-accent); font-weight: 600; }
.file-preview-list { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.file-preview-item { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; background: var(--color-white); border: 1px solid var(--color-gray-200); border-radius: var(--radius-sm); font-size: 0.8rem; }
.file-preview-item .fp-name { color: var(--color-gray-700); font-weight: 500; }
.file-preview-item .fp-size { color: var(--color-gray-400); font-size: 0.72rem; }
.fp-remove { color: var(--color-gray-300); cursor: pointer; display: flex; padding: 2px; }
.fp-remove:hover { color: #ef4444; }

.form-msg { padding: 12px 14px; border-radius: var(--radius-md); font-size: 0.9rem; font-weight: 500; margin-top: 14px; display: none; align-items: flex-start; gap: 10px; }
.form-msg.success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.form-msg.error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.form-msg.visible { display: flex; }
.form-msg i { font-size: 1rem; margin-top: 1px; flex-shrink: 0; }

.btn-submitting { opacity: 0.75; pointer-events: none; }
.btn-submitting::after { content: ''; width: 14px; height: 14px; border: 2px solid rgba(0,0,0,0.2); border-top-color: var(--color-dark); border-radius: 50%; animation: btn-spin 0.7s linear infinite; display: inline-block; flex-shrink: 0; }

/* ================================================ CTA BANNER */
.cta-banner { background: var(--color-accent); padding: 80px 0; text-align: center; }
.cta-banner h2 { color: var(--color-dark); margin-bottom: 14px; font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
.cta-banner p { color: rgba(0,0,0,0.6); font-size: 1.0625rem; max-width: 560px; margin: 0 auto 32px; }
.cta-banner-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ================================================ FOOTER */
.site-footer { background: #080808; }
.footer-main { padding: 80px 0 60px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 56px; }
.footer-brand p { font-size: 0.9375rem; line-height: 1.75; color: var(--color-gray-500); margin: 18px 0 22px; }
.footer-social { display: flex; gap: 8px; }
.footer-social a { width: 36px; height: 36px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.07); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--color-gray-400); font-size: 0.8125rem; transition: all var(--transition); }
.footer-social a:hover { background: var(--color-accent); color: var(--color-dark); border-color: var(--color-accent); }
.footer-col h5 { color: var(--color-white); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; font-family: var(--font-body); }
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: var(--color-gray-500); font-size: 0.9375rem; display: flex; align-items: center; gap: 0; transition: all 150ms ease; }
.footer-links a:hover { color: var(--color-white); padding-left: 4px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 13px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; }
.footer-contact-item i { color: var(--color-accent); margin-top: 3px; width: 14px; flex-shrink: 0; font-size: 0.8125rem; }
.footer-contact-item a { color: var(--color-gray-400); }
.footer-contact-item a:hover { color: var(--color-white); }
.footer-contact-item span { color: var(--color-gray-400); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 22px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-size: 0.875rem; color: var(--color-gray-600); }
.footer-copy a { color: var(--color-accent); }
.footer-bottom-links { display: flex; gap: 22px; }
.footer-bottom-links a { font-size: 0.875rem; color: var(--color-gray-600); }
.footer-bottom-links a:hover { color: var(--color-white); }

/* ================================================ PAGE INNER */
.page-hero { background: var(--color-dark); padding: 140px 0 80px; text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.018'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--color-white); margin-bottom: 14px; }
.page-hero p { color: var(--color-gray-400); max-width: 580px; margin: 0 auto; font-size: 1.0625rem; }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 20px; font-size: 0.875rem; }
.breadcrumb a { color: var(--color-gray-400); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { color: var(--color-gray-600); font-size: 0.75rem; }
.breadcrumb .current { color: var(--color-accent); font-weight: 500; }

.content-area { padding: 80px 0; }
.entry-content h1, .entry-content h2, .entry-content h3 { margin-bottom: 14px; margin-top: 28px; }
.entry-content h1:first-child, .entry-content h2:first-child, .entry-content h3:first-child { margin-top: 0; }
.entry-content p { margin-bottom: 14px; }
.entry-content ul { list-style: disc; padding-left: 20px; margin-bottom: 14px; }
.entry-content ol { list-style: decimal; padding-left: 20px; margin-bottom: 14px; }
.entry-content li { margin-bottom: 6px; }
.entry-content img { border-radius: var(--radius-md); margin: 20px 0; }
.entry-content a { color: var(--color-accent); text-decoration: underline; }
.entry-content blockquote { border-left: 3px solid var(--color-accent); padding: 14px 20px; background: var(--color-gray-100); margin: 20px 0; border-radius: 0 var(--radius-md) var(--radius-md) 0; font-style: italic; }

/* ================================================ FLOATING BUTTONS */
.whatsapp-float { position: fixed; bottom: 88px; right: 28px; width: 50px; height: 50px; background: #25d366; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.5rem; z-index: 100; box-shadow: 0 4px 16px rgba(37,211,102,0.4); transition: all var(--transition); text-decoration: none; }
.whatsapp-float:hover { transform: scale(1.1); color: white; box-shadow: 0 8px 24px rgba(37,211,102,0.5); }
.back-to-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background: var(--color-accent); color: var(--color-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; opacity: 0; visibility: hidden; transition: all var(--transition); z-index: 100; box-shadow: 0 4px 14px rgba(245,158,11,0.35); border: none; font-size: 0.9rem; }
.back-to-top.is-visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(245,158,11,0.45); }

/* ================================================ REVEAL ANIMATIONS */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }
.reveal-d5 { transition-delay: 0.40s; }

/* ================================================ KEYFRAMES */
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)} }
@keyframes rotate-gear { from{transform:rotate(0deg)}to{transform:rotate(360deg)} }
@keyframes btn-spin { from{transform:rotate(0deg)}to{transform:rotate(360deg)} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)} }

/* ================================================ SCROLLBAR */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray-400); }

/* ================================================ RESPONSIVE */
@media (max-width: 1200px) {
  :root { --section-pad: 80px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
}

@media (max-width: 1024px) {
  .why-us-grid, .quality-grid { grid-template-columns: 1fr; gap: 48px; }
  .quote-wrap { grid-template-columns: 1fr; gap: 40px; }
  .steps-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-pad: 60px; }
  .main-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
  .header-topbar { display: none; }
  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero .container { padding-top: 20px; padding-bottom: 60px; }
  .hero h1 { font-size: 2.25rem; }
  .hero-sub { font-size: 1rem; }
  .hero-cta { gap: 10px; }
  .services-grid, .services-grid-2 { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .quote-form-card { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .footer-bottom-links { gap: 14px; }
  .quality-stats { grid-template-columns: 1fr; }
  .q-stat-card.span-2 { grid-column: span 1; }
  .whatsapp-float, .back-to-top { right: 16px; }
  .whatsapp-float { bottom: 76px; }
  .back-to-top { bottom: 20px; }
  .section-header { margin-bottom: 40px; }
  .hero-stats { gap: 20px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .industries-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner-btns { flex-direction: column; align-items: center; }
  .services-grid-2 { grid-template-columns: 1fr; }
  .why-us-cta { flex-direction: column; }
}

/* ================================================ ADMIN BAR OFFSET */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
