/* =============================================
   PHƯỚC THẮNG CONSTRUCTION - MAIN STYLESHEET
   ============================================= */

:root {
  --primary: #1a3a5c;
  --primary-dark: #0d1f33;
  --primary-light: #2d6a9f;
  --secondary: #e8820c;
  --secondary-dark: #c96e0a;
  --secondary-light: #f4a93a;
  --text: #2c3e50;
  --text-light: #6c757d;
  --text-white: #ffffff;
  --bg: #ffffff;
  --bg-surface: #f5f7fa;
  --bg-dark: #0d1f33;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --font: 'Segoe UI', Inter, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
}

@keyframes spin { to { transform: rotate(360deg); } }

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

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-pad {
  padding: 90px 0;
}

/* TYPOGRAPHY */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--secondary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-title span {
  color: var(--secondary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin-bottom: 56px;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin-left: auto; margin-right: auto; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--secondary);
  color: white;
  border-color: var(--secondary);
}
.btn-primary:hover {
  background: var(--secondary-dark);
  border-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232, 130, 12, 0.4);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: white;
  color: var(--primary);
  border-color: white;
  transform: translateY(-2px);
}

.btn-primary-dark {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.btn-primary-dark:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 58, 92, 0.4);
}

/* =============================================
   HEADER
   ============================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

#header.transparent {
  background: transparent;
}

#header.scrolled {
  background: white;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
}
.logo img, .logo svg {
  height: 52px;
  width: auto;
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  color: white;
  transition: var(--transition);
  position: relative;
}

#header.scrolled .nav-link {
  color: var(--text);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 16px; right: 16px;
  height: 2px;
  background: var(--secondary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link:hover {
  color: var(--secondary);
}

.nav-cta {
  background: var(--secondary);
  color: white !important;
  padding: 9px 20px !important;
  border-radius: 6px !important;
}
.nav-cta:hover {
  background: var(--secondary-dark);
}
.nav-cta::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}
#header.scrolled .hamburger span {
  background: var(--primary);
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  background: white;
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.mobile-nav.open { display: block; }
.mobile-nav .nav-link {
  display: block;
  color: var(--text);
  padding: 12px 24px;
  border-radius: 0;
}
.mobile-nav .nav-link::after { display: none; }
.mobile-nav .nav-link:hover { background: var(--bg-surface); color: var(--secondary); }

/* =============================================
   HERO
   ============================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, var(--primary-dark) 0%, #102a47 40%, #1a3a5c 100%);
  overflow: hidden;
}

/* Blueprint grid pattern */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45,106,159,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,106,159,0.15) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-skyline {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  pointer-events: none;
  opacity: 0.12;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,130,12,0.18) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,130,12,0.15);
  border: 1px solid rgba(232,130,12,0.4);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--secondary-light);
  letter-spacing: 1px;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--secondary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  color: white;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--secondary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 580px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  border-left: 3px solid var(--secondary);
  padding-left: 16px;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 2px;
  animation: bounce 2s infinite;
}
.scroll-indicator svg {
  width: 20px; height: 20px;
  stroke: rgba(255,255,255,0.4);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =============================================
   ABOUT
   ============================================= */
#about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-svg-visual {
  width: 80%;
  opacity: 0.9;
}

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--secondary);
  color: white;
  padding: 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  min-width: 130px;
}
.about-badge-num {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1;
}
.about-badge-text {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

.about-content .section-subtitle {
  margin-bottom: 28px;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}
.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}
.about-list-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  background: rgba(232,130,12,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-list-icon svg {
  width: 12px; height: 12px;
  stroke: var(--secondary);
}

/* Stats bar */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.stat-item {
  padding: 32px 20px;
  text-align: center;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,0.15);
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* =============================================
   SERVICES
   ============================================= */
#services {
  background: var(--bg-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(26,58,92,0.08), rgba(45,106,159,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.service-icon svg {
  width: 28px; height: 28px;
  stroke: var(--primary);
  transition: var(--transition);
}
.service-card:hover .service-icon svg {
  stroke: white;
}

.service-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.service-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* =============================================
   PROJECTS
   ============================================= */
#projects {
  background: var(--bg);
}

.project-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: 50px;
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--border);
  background: white;
  color: var(--text-light);
  transition: var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  background: white;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.project-thumb {
  aspect-ratio: 16/9;
  position: relative;
  overflow: hidden;
}

/* Project visual backgrounds by category */
.project-thumb[data-cat="dan-dung"] { background: linear-gradient(135deg, #1a3a5c 0%, #2d6a9f 100%); }
.project-thumb[data-cat="cong-nghiep"] { background: linear-gradient(135deg, #2c3e50 0%, #4a6fa5 100%); }
.project-thumb[data-cat="ha-tang"] { background: linear-gradient(135deg, #1a4a3c 0%, #2d7a5c 100%); }
.project-thumb[data-cat="thuong-mai"] { background: linear-gradient(135deg, #3d1a5c 0%, #7a2d9f 100%); }

.project-thumb-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.project-cat-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--secondary);
  color: white;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
}

.project-overlay-content {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: white;
  font-size: 0.8rem;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}
.project-card:hover .project-overlay-content {
  opacity: 1;
  transform: translateY(0);
}

.project-info {
  padding: 20px 22px;
}
.project-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.project-location {
  font-size: 0.85rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 6px;
}
.project-location svg {
  width: 14px; height: 14px;
  stroke: var(--secondary);
  flex-shrink: 0;
}

/* Project thumb building SVG icon */
.project-building-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-building-icon svg {
  width: 80px;
  height: 80px;
  opacity: 0.4;
  stroke: white;
  fill: none;
}

/* =============================================
   CAPABILITY / HỒ SƠ NĂNG LỰC
   ============================================= */
#capability {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
#capability::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(45,106,159,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,106,159,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}

#capability .section-title {
  color: white;
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.cap-intro .section-subtitle {
  color: rgba(255,255,255,0.65);
}

.cap-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.cap-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: var(--transition);
}
.cap-feature:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(232,130,12,0.4);
}
.cap-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(232,130,12,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.cap-feature-icon svg {
  width: 22px; height: 22px;
  stroke: var(--secondary-light);
}
.cap-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}
.cap-feature-text p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* Certifications */
.cert-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cert-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  transition: var(--transition);
}
.cert-card:hover {
  background: rgba(232,130,12,0.1);
  border-color: rgba(232,130,12,0.4);
  transform: translateY(-3px);
}
.cert-icon {
  width: 52px; height: 52px;
  background: rgba(232,130,12,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.cert-icon svg {
  width: 26px; height: 26px;
  stroke: var(--secondary-light);
}
.cert-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}
.cert-desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

.cap-download {
  margin-top: 28px;
  padding: 24px;
  background: rgba(232,130,12,0.1);
  border: 1px solid rgba(232,130,12,0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.cap-download-text {
  flex: 1;
}
.cap-download-text h4 {
  color: white;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.cap-download-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
}

/* =============================================
   WHY US
   ============================================= */
#why-us {
  background: var(--bg-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.why-card {
  text-align: center;
  padding: 36px 24px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.why-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232,130,12,0.3);
}
.why-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(26,58,92,0.07);
  line-height: 1;
  margin-bottom: -8px;
}
.why-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.why-icon svg {
  width: 30px; height: 30px;
  stroke: white;
}
.why-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.why-desc {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* =============================================
   TEAM
   ============================================= */
#team {
  background: var(--bg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(26,58,92,0.2);
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  border: 3px solid white;
  box-shadow: var(--shadow-sm);
}
.team-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.team-role {
  font-size: 0.8rem;
  color: var(--secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.team-degree {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* =============================================
   CONTACT
   ============================================= */
#contact {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item-icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item-icon svg {
  width: 20px; height: 20px;
  stroke: white;
}
.contact-item-content h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}
.contact-item-content p, .contact-item-content a {
  font-size: 0.95rem;
  color: var(--text);
}
.contact-item-content a:hover {
  color: var(--secondary);
}

/* Contact form */
.contact-form {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group label span {
  color: var(--secondary);
}
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-family: var(--font);
  color: var(--text);
  background: white;
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(45,106,159,0.1);
}
textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.form-note {
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 12px;
  text-align: center;
}

/* =============================================
   FOOTER
   ============================================= */
#footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
}

.footer-top {
  padding: 64px 0 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
.footer-brand .footer-logo img {
  height: 48px;
  filter: brightness(10);
  opacity: 0.9;
}
.footer-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-socials {
  display: flex;
  gap: 10px;
}
.social-btn {
  width: 38px; height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.social-btn:hover {
  background: var(--secondary);
  border-color: var(--secondary);
}
.social-btn svg {
  width: 17px; height: 17px;
  stroke: white;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--secondary);
  display: inline-block;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a::before {
  content: '›';
  color: var(--secondary);
  font-size: 1.1rem;
}
.footer-links a:hover { color: white; }

.footer-contact-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
}
.footer-contact-item svg {
  width: 15px; height: 15px;
  stroke: var(--secondary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-bottom a { color: var(--secondary); }

/* =============================================
   SCROLL REVEAL ANIMATIONS
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { max-width: 500px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section-pad { padding: 64px 0; }
  .nav-list { display: none; }
  .hamburger { display: flex; }

  .hero-stats { gap: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .cert-cards { grid-template-columns: 1fr; }
  .cap-download { flex-direction: column; align-items: flex-start; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .about-badge { bottom: -10px; right: 10px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .why-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}