/* ============================
   ASZ GRUP — Multi-page Corporate
   Blue-dominant, minimal, SEO-focused
   ============================ */

:root {
    --blue-900: #0A2463;
    --blue-800: #0D3B8F;
    --blue-700: #0D47A1;
    --blue-600: #1565C0;
    --blue-500: #1976D2;
    --blue-400: #42A5F5;
    --blue-100: #BBDEFB;
    --blue-50: #E3F2FD;
    --dark: #0F1923;
    --gray-900: #1A2332;
    --gray-700: #3D4F5F;
    --gray-500: #6B7B8D;
    --gray-300: #B0BEC5;
    --gray-100: #ECEFF1;
    --gray-50: #F8F9FA;
    --white: #FFFFFF;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(10, 36, 99, 0.08);
    --shadow-lg: 0 12px 48px rgba(10, 36, 99, 0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ---- PLACEHOLDER IMAGES ---- */
.placeholder-img {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: rgba(255,255,255,0.25);
    font-size: 1rem;
    width: 100%;
    height: 100%;
    min-height: 200px;
}
.placeholder-img i { font-size: 3rem; }
.placeholder-img span { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.03em; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}
.btn-primary { background: var(--blue-600); color: var(--white); border-color: var(--blue-600); }
.btn-primary:hover { background: var(--blue-700); border-color: var(--blue-700); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(13, 71, 161, 0.35); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-outline:hover { background: var(--white); color: var(--blue-700); border-color: var(--white); }
.btn-white { background: var(--white); color: var(--blue-700); border-color: var(--white); }
.btn-white:hover { background: var(--blue-50); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,255,255,0.3); }
.btn-secondary { background: var(--gray-50); color: var(--blue-700); border-color: var(--gray-100); }
.btn-secondary:hover { background: var(--blue-50); border-color: var(--blue-100); }
.full-width { width: 100%; justify-content: center; }

/* ---- NAVBAR ---- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: var(--transition); background: transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(10, 36, 99, 0.08); padding: 10px 0;
}
.navbar.navbar-solid { background: var(--blue-900); padding: 10px 0; }
.navbar.navbar-solid.scrolled { background: rgba(255,255,255,0.97); }
.navbar.navbar-solid .nav-links a { color: rgba(255,255,255,0.85); }
.navbar.navbar-solid.scrolled .nav-links a { color: var(--gray-700); }
.navbar.navbar-solid .logo-asz { color: var(--white); }
.navbar.navbar-solid.scrolled .logo-asz { color: var(--blue-900); }
.navbar.navbar-solid .hamburger span { background: var(--white); }
.navbar.navbar-solid.scrolled .hamburger span { background: var(--gray-900); }

.nav-container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: baseline; gap: 4px; font-weight: 800; font-size: 1.6rem; letter-spacing: -0.02em; }
.logo-asz { color: var(--white); transition: var(--transition); }
.logo-grup { color: var(--blue-400); font-weight: 400; font-size: 1rem; transition: var(--transition); }
.navbar.scrolled .logo-asz { color: var(--blue-900); }
.navbar.scrolled .logo-grup { color: var(--blue-500); }

.nav-links { display: flex; list-style: none; gap: 28px; align-items: center; }
.nav-links a {
    font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85);
    transition: var(--transition); position: relative; display: flex; align-items: center; gap: 4px;
}
.nav-links a .fa-chevron-down { font-size: 0.6rem; }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--blue-400); transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--white); }
.nav-links a.active::after { width: 100%; }
.navbar.scrolled .nav-links a { color: var(--gray-700); }
.navbar.scrolled .nav-links a:hover { color: var(--blue-700); }
.navbar.scrolled .nav-links a::after { background: var(--blue-600); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: calc(100% + 12px); left: -16px;
    background: var(--white); border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg); padding: 12px 0; min-width: 240px;
    opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: var(--transition); list-style: none;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a {
    display: block; padding: 10px 20px; color: var(--gray-700) !important;
    font-size: 0.88rem; transition: var(--transition);
}
.dropdown-menu li a::after { display: none; }
.dropdown-menu li a:hover { background: var(--blue-50); color: var(--blue-700) !important; }

.nav-cta {
    padding: 10px 24px; background: var(--blue-600); color: var(--white);
    border-radius: var(--radius-sm); font-weight: 600; font-size: 0.88rem; transition: var(--transition);
}
.nav-cta:hover { background: var(--blue-700); transform: translateY(-1px); }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); transition: var(--transition); border-radius: 2px; }
.navbar.scrolled .hamburger span { background: var(--gray-900); }

/* ---- HERO SLIDER ---- */
.hero { position: relative; height: 100vh; min-height: 700px; overflow: hidden; }
.slider { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; display: flex; align-items: center; opacity: 0; transition: opacity 0.8s ease; padding-bottom: 100px; }
.slide.active { opacity: 1; }
.slide-bg {
    position: absolute; inset: 0; z-index: 0;
    background-size: cover; background-position: center;
}
.slide-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(10, 36, 99, 0.82), rgba(13, 71, 161, 0.7));
}
.slide-bg-1 { background: url('images/slide-bridge.jpg') center/cover no-repeat; }
.slide-bg-2 { background: url('images/slide-building.jpg') center/cover no-repeat; }
.slide-bg-3 { background: url('images/slide-industrial.jpg') center/cover no-repeat; }

.slide-content {
    position: relative; z-index: 2; max-width: 700px; padding-left: 10%; color: var(--white);
    transform: translateY(20px); opacity: 0; transition: all 0.6s ease 0.3s;
}
.slide.active .slide-content { transform: translateY(0); opacity: 1; }
.slide-tag {
    display: inline-block; padding: 6px 16px; background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px); border-radius: 20px; font-size: 0.85rem; font-weight: 500;
    margin-bottom: 20px; border: 1px solid rgba(255,255,255,0.2);
}
.slide-content h1 { font-size: clamp(2.2rem, 4.5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 16px; letter-spacing: -0.02em; }
.slide-content h1 span { color: var(--blue-400); }
.slide-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; line-height: 1.7; max-width: 520px; }
.slide-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.slider-btn {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 20;
    width: 48px; height: 48px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.08); backdrop-filter: blur(8px); color: var(--white);
    display: flex; align-items: center; justify-content: center; cursor: pointer;
    transition: var(--transition); font-size: 0.9rem;
}
.slider-btn:hover { background: var(--white); color: var(--blue-700); border-color: var(--white); }
.slider-btn.prev { left: 24px; }
.slider-btn.next { right: 24px; }
.slider-dots {
    position: absolute; bottom: 140px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 20;
}
.dot {
    width: 12px; height: 12px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.5);
    background: transparent; cursor: pointer; transition: var(--transition);
}
.dot.active { background: var(--white); border-color: var(--white); width: 32px; border-radius: 6px; }

.hero-stats {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(10, 36, 99, 0.6); backdrop-filter: blur(16px);
    display: flex; justify-content: center; align-items: center; gap: 48px;
    padding: 28px 24px; z-index: 10; border-top: 1px solid rgba(255,255,255,0.1);
}
.stat { text-align: center; color: var(--white); }
.stat-value { display: block; line-height: 1; white-space: nowrap; }
.stat-number { font-size: 2.4rem; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
.stat-plus { font-size: 1.8rem; font-weight: 700; color: var(--blue-400); }
.stat-label { font-size: 0.85rem; opacity: 0.7; margin-top: 4px; display: block; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }

/* ---- SECTION COMMONS ---- */
.section-tag {
    display: inline-block; padding: 6px 16px; background: var(--blue-50); color: var(--blue-700);
    border-radius: 20px; font-size: 0.82rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.08em; margin-bottom: 16px;
}
.section-tag.light { background: rgba(255,255,255,0.15); color: var(--white); }
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; max-width: 600px; margin-left: auto; margin-right: auto; }
.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; color: var(--blue-900);
    line-height: 1.2; margin-bottom: 12px; letter-spacing: -0.02em;
}
.section-header p { color: var(--gray-500); font-size: 1.05rem; line-height: 1.7; }
.section-header-link {
    display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
    font-weight: 600; color: var(--blue-600); font-size: 0.95rem; transition: var(--transition);
}
.section-header-link:hover { gap: 10px; color: var(--blue-800); }

/* ---- PAGE HERO ---- */
.page-hero {
    background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
    padding: 160px 0 80px; color: var(--white); position: relative; overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(66, 165, 245, 0.12), transparent 70%); border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .breadcrumb {
    display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
    font-size: 0.88rem; color: rgba(255,255,255,0.6);
}
.page-hero .breadcrumb a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.page-hero .breadcrumb a:hover { color: var(--white); }
.page-hero .breadcrumb i { font-size: 0.7rem; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.page-hero p { font-size: 1.1rem; opacity: 0.8; max-width: 600px; line-height: 1.7; }

/* ---- ABOUT BRIEF (HOME) ---- */
.about-brief { padding: 120px 0; background: var(--white); }
.about-brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-brief-img { position: relative; }
.about-badge {
    position: absolute; bottom: 24px; right: 24px; background: var(--blue-700);
    color: var(--white); padding: 16px 24px; border-radius: var(--radius-sm); text-align: center;
}
.badge-year { display: block; font-size: 2rem; font-weight: 800; line-height: 1; }
.badge-text { font-size: 0.8rem; opacity: 0.8; }
.about-brief-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; color: var(--blue-900);
    line-height: 1.2; margin-bottom: 20px; letter-spacing: -0.02em;
}
.about-brief-content > p { color: var(--gray-500); line-height: 1.7; margin-bottom: 32px; }
.about-brief-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.about-brief-feature {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--gray-50); border-radius: var(--radius-sm); border-left: 3px solid var(--blue-600);
}
.about-brief-feature i { color: var(--blue-600); font-size: 1.1rem; }
.about-brief-feature span { font-size: 0.9rem; font-weight: 500; color: var(--gray-700); }

/* ---- SERVICES HOME ---- */
.services-home { padding: 120px 0; background: var(--gray-50); }
.services-carousel { position: relative; overflow: hidden; }
.services-track { display: flex; gap: 24px; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.service-card {
    flex: 0 0 calc(25% - 18px); min-width: 260px; background: var(--white);
    border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow);
    transition: var(--transition); border: 1px solid var(--gray-100); position: relative; overflow: hidden;
    display: block; text-decoration: none; color: inherit;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--blue-600), var(--blue-400));
    transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-icon {
    width: 64px; height: 64px; background: var(--blue-50); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.service-icon i { font-size: 1.6rem; color: var(--blue-700); }
.service-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-900); margin-bottom: 10px; }
.service-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 20px; }
.service-link {
    display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem;
    font-weight: 600; color: var(--blue-600); transition: var(--transition);
}
.service-card:hover .service-link { gap: 10px; color: var(--blue-800); }

.carousel-controls { display: flex; align-items: center; gap: 20px; margin-top: 48px; justify-content: center; }
.carousel-btn {
    width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--gray-300);
    background: var(--white); color: var(--gray-700); display: flex; align-items: center;
    justify-content: center; cursor: pointer; transition: var(--transition); font-size: 0.85rem;
}
.carousel-btn:hover { background: var(--blue-600); color: var(--white); border-color: var(--blue-600); }
.carousel-progress { width: 120px; height: 3px; background: var(--gray-300); border-radius: 2px; overflow: hidden; }
.carousel-progress-bar { height: 100%; background: var(--blue-600); border-radius: 2px; transition: width 0.5s ease; width: 50%; }

/* ---- FAALIYET DETAILS ---- */
.faaliyet-section { padding-top: 100px; }
.faaliyet-details { padding: 40px 0 100px; }
.faaliyet-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
    padding: 60px 0; border-bottom: 1px solid var(--gray-100);
}
.faaliyet-row:last-child { border: none; }
.faaliyet-row.reverse .faaliyet-visual { order: 2; }
.faaliyet-row.reverse .faaliyet-info { order: 1; }
.faaliyet-info h2 { font-size: 1.8rem; font-weight: 800; color: var(--blue-900); margin-bottom: 16px; }
.faaliyet-info > p { color: var(--gray-500); line-height: 1.8; margin-bottom: 24px; }
.faaliyet-info ul { list-style: none; margin-bottom: 28px; }
.faaliyet-info ul li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 0.95rem; color: var(--gray-700); }
.faaliyet-info ul li i { color: var(--blue-600); font-size: 0.85rem; }
.faaliyet-buttons { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 768px) {
    .faaliyet-row { grid-template-columns: 1fr; gap: 32px; }
    .faaliyet-row.reverse .faaliyet-visual { order: 0; }
    .faaliyet-row.reverse .faaliyet-info { order: 0; }
}

/* ---- SHEATH CTA ---- */
.sheath-cta {
    padding: 120px 0; background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
    color: var(--white); position: relative; overflow: hidden;
}
.sheath-cta::before {
    content: ''; position: absolute; top: -40%; right: -15%; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(66, 165, 245, 0.15), transparent 70%); border-radius: 50%;
}
.sheath-cta-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.sheath-cta-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.sheath-cta-content > p { opacity: 0.85; line-height: 1.7; margin-bottom: 28px; }
.sheath-cta-list { list-style: none; margin-bottom: 36px; }
.sheath-cta-list li { display: flex; align-items: center; gap: 10px; padding: 10px 0; font-size: 0.95rem; opacity: 0.9; }
.sheath-cta-list i { color: var(--blue-400); }
.sheath-stat-card {
    background: rgba(255,255,255,0.1); backdrop-filter: blur(12px); border-radius: var(--radius);
    padding: 48px; text-align: center; border: 1px solid rgba(255,255,255,0.15);
}
.sheath-stat-number { font-size: 4rem; font-weight: 800; color: var(--blue-400); display: block; line-height: 1; }
.sheath-stat-label { font-size: 1rem; opacity: 0.7; margin-top: 8px; display: block; line-height: 1.5; }

/* ---- PROJECTS HOME ---- */
.projects-home { padding: 120px 0; background: var(--white); }

/* Project Tabs */
.project-tabs {
    display: flex; gap: 8px; justify-content: center; margin-bottom: 48px; flex-wrap: wrap;
}
.project-tab {
    padding: 12px 24px; border-radius: 30px; border: 2px solid var(--gray-100);
    background: var(--white); color: var(--gray-700); font-size: 0.88rem; font-weight: 600;
    cursor: pointer; transition: var(--transition); display: flex; align-items: center; gap: 8px;
}
.project-tab:hover { border-color: var(--blue-400); color: var(--blue-700); background: var(--blue-50); }
.project-tab.active { background: var(--blue-600); color: var(--white); border-color: var(--blue-600); }
.project-tab i { font-size: 0.85rem; }

.project-tab-panels { position: relative; min-height: 300px; }
.project-tab-panel { display: none; animation: tabFadeIn 0.4s ease; }
.project-tab-panel.active { display: block; }
@keyframes tabFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.project-tab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-tab-card {
    border-radius: var(--radius); overflow: hidden; background: var(--white);
    box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--gray-100);
}
.project-tab-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-tab-img { height: 200px; overflow: hidden; }
.project-tab-img .placeholder-img { min-height: 200px; transition: transform 0.6s ease; }
.project-tab-card:hover .project-tab-img .placeholder-img { transform: scale(1.05); }
.project-tab-info { padding: 24px; }
.project-tab-info h4 { font-size: 1.05rem; font-weight: 700; color: var(--blue-900); margin-bottom: 8px; }
.project-tab-info p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; margin: 0; }
.projects-home-cta { text-align: center; margin-top: 48px; }

/* ---- BLOG HOME ---- */
.blog-home { padding: 120px 0; background: var(--gray-50); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition); display: block; color: inherit;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.blog-card-img { position: relative; height: 200px; overflow: hidden; }
.blog-card-img .placeholder-img { min-height: 200px; }
.blog-placeholder i { font-size: 2rem; color: rgba(255,255,255,0.2); }
.blog-card-category {
    position: absolute; top: 16px; left: 16px; padding: 4px 12px;
    background: var(--blue-600); color: var(--white); border-radius: 4px;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}
.blog-card-body { padding: 24px; }
.blog-card-date { font-size: 0.8rem; color: var(--gray-500); display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.blog-card-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--blue-900); margin-bottom: 8px; line-height: 1.4; }
.blog-card-body p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; }

/* ---- SERVICES OVERVIEW PAGE ---- */
.services-overview { padding: 100px 0; background: var(--gray-50); }
.services-overview-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.service-overview-card {
    background: var(--white); border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow); transition: var(--transition); display: block;
    text-decoration: none; color: inherit; border: 1px solid var(--gray-100);
}
.service-overview-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-overview-img { height: 180px; overflow: hidden; }
.service-overview-img .placeholder-img { min-height: 180px; transition: transform 0.6s ease; }
.service-overview-card:hover .service-overview-img .placeholder-img { transform: scale(1.05); }
.service-overview-body { padding: 28px; }
.service-overview-body .service-icon { margin-bottom: 16px; }
.service-overview-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-900); margin-bottom: 10px; }
.service-overview-body p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.7; margin-bottom: 16px; }

/* Why ASZ Section */
.why-asz { padding: 100px 0; background: var(--white); }
.why-asz-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.why-asz-item {
    text-align: center; padding: 36px 24px; border-radius: var(--radius);
    background: var(--gray-50); border: 1px solid var(--gray-100); transition: var(--transition);
}
.why-asz-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.why-asz-item .service-icon { margin: 0 auto 16px; }
.why-asz-item h4 { font-size: 1rem; font-weight: 700; color: var(--blue-900); margin-bottom: 8px; }
.why-asz-item p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; margin: 0; }

/* ---- CONTACT CTA ---- */
.contact-cta { padding: 100px 0; background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); }
.contact-cta-inner { text-align: center; color: var(--white); max-width: 600px; margin: 0 auto; }
.contact-cta-inner h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
.contact-cta-inner p { opacity: 0.8; margin-bottom: 32px; line-height: 1.7; }
.contact-cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- PAGE CONTENT ---- */
.page-content { padding: 80px 0; }
.page-content h2 { font-size: 1.8rem; font-weight: 800; color: var(--blue-900); margin-bottom: 16px; }
.page-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--blue-900); margin-bottom: 12px; }
.page-content p { color: var(--gray-700); line-height: 1.8; margin-bottom: 20px; }
.page-content ul { list-style: none; margin-bottom: 24px; }
.page-content ul li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; color: var(--gray-700); }
.page-content ul li i { color: var(--blue-600); margin-top: 4px; }
.content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 60px; }
.content-sidebar { position: sticky; top: 100px; }
.sidebar-card {
    background: var(--gray-50); border-radius: var(--radius); padding: 32px;
    margin-bottom: 24px; border: 1px solid var(--gray-100);
}
.sidebar-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--blue-900); margin-bottom: 16px; }
.sidebar-card ul { list-style: none; margin: 0; }
.sidebar-card ul li { padding: 10px 0; border-bottom: 1px solid var(--gray-100); }
.sidebar-card ul li:last-child { border: none; }
.sidebar-card ul li a { font-size: 0.9rem; color: var(--gray-700); transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.sidebar-card ul li a:hover { color: var(--blue-600); }
.sidebar-card ul li a i { font-size: 0.75rem; color: var(--blue-400); }

/* Service detail features */
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 32px 0; }
.feature-box {
    padding: 24px; background: var(--blue-50); border-radius: var(--radius-sm);
    border-left: 3px solid var(--blue-600);
}
.feature-box h4 { font-size: 0.95rem; font-weight: 700; color: var(--blue-900); margin-bottom: 6px; }
.feature-box p { font-size: 0.88rem; color: var(--gray-500); margin: 0; line-height: 1.6; }

/* ---- CONTACT PAGE ---- */
.contact-page { padding: 80px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2rem); font-weight: 800; color: var(--blue-900); margin-bottom: 16px; }
.contact-info > p { color: var(--gray-500); line-height: 1.7; margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-icon {
    width: 48px; height: 48px; background: var(--blue-50); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; color: var(--blue-600);
    font-size: 1.1rem; flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.88rem; color: var(--gray-900); margin-bottom: 2px; }
.contact-item span { font-size: 0.88rem; color: var(--gray-500); line-height: 1.5; }
.contact-form-wrapper { background: var(--white); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-lg); }
.contact-form h3 { font-size: 1.3rem; font-weight: 700; color: var(--blue-900); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 14px 18px; border: 1.5px solid var(--gray-100);
    border-radius: var(--radius-sm); font-size: 0.9rem; font-family: inherit;
    color: var(--gray-900); background: var(--gray-50); transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--blue-500); background: var(--white); box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}
.form-group select {
    appearance: none; cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7B8D' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 16px center;
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* ---- BLOG PAGE ---- */
.blog-listing { padding: 80px 0; }
.blog-listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-post-content { padding: 80px 0; }
.blog-post-content .content-grid { grid-template-columns: 1fr 360px; }
.blog-post-header { margin-bottom: 32px; }
.blog-post-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; font-size: 0.85rem; color: var(--gray-500); }
.blog-post-meta span { display: flex; align-items: center; gap: 6px; }
.blog-post-body h2 { font-size: 1.5rem; margin-top: 40px; }
.blog-post-body h3 { font-size: 1.2rem; margin-top: 32px; }
.blog-post-body p { font-size: 1rem; line-height: 1.9; color: var(--gray-700); }
.blog-post-body blockquote {
    border-left: 4px solid var(--blue-600); padding: 20px 24px; margin: 24px 0;
    background: var(--blue-50); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic; color: var(--gray-700);
}

/* Projects page */
.projects-page { padding: 80px 0; }
.projects-page .project-tabs { margin-bottom: 40px; }
.projects-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project-page-card {
    border-radius: var(--radius); overflow: hidden; background: var(--white);
    box-shadow: var(--shadow); transition: var(--transition);
}
.project-page-card.hidden { display: none; }
.project-page-card.fade-in { animation: tabFadeIn 0.4s ease; }
.project-page-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-page-card .project-img { height: 220px; overflow: hidden; }
.project-page-card .placeholder-img { min-height: 220px; }
.project-page-card .project-body { padding: 24px; }
.project-page-card .project-body span { font-size: 0.78rem; font-weight: 600; color: var(--blue-600); text-transform: uppercase; letter-spacing: 0.06em; }
.project-page-card .project-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--blue-900); margin: 6px 0 8px; }
.project-page-card .project-body p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; margin: 0; }

/* Products page */
.products-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; margin-top: 48px; }
.product-card {
    background: var(--white); border-radius: var(--radius); padding: 40px;
    box-shadow: var(--shadow); border: 1px solid var(--gray-100); transition: var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card .product-icon {
    width: 64px; height: 64px; background: var(--blue-50); border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.product-card .product-icon i { font-size: 1.6rem; color: var(--blue-700); }
.product-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--blue-900); margin-bottom: 10px; }
.product-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; }
.product-specs { margin-top: 16px; }
.product-specs li { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 0.88rem; color: var(--gray-700); }
.product-specs li i { color: var(--blue-500); font-size: 0.8rem; }

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: var(--white); padding: 72px 0 0; }
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px;
    padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p { color: var(--gray-500); font-size: 0.88rem; line-height: 1.7; margin: 16px 0 24px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: var(--radius-sm); background: rgba(255,255,255,0.06);
    display: flex; align-items: center; justify-content: center; transition: var(--transition); color: var(--gray-500);
}
.footer-social a:hover { background: var(--blue-600); color: var(--white); }
.footer-links-group h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 20px; }
.footer-links-group ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-links-group li, .footer-links-group a {
    font-size: 0.85rem; color: var(--gray-500); transition: var(--transition);
    display: flex; align-items: center; gap: 8px;
}
.footer-links-group a:hover { color: var(--blue-400); }
.footer-links-group i { font-size: 0.8rem; }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 0.82rem; color: var(--gray-500); }

/* ---- SCROLL ANIMATIONS ---- */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
    .about-brief-grid, .sheath-cta-grid, .contact-grid, .content-grid { grid-template-columns: 1fr; gap: 48px; }
    .service-card { flex: 0 0 calc(50% - 12px); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .blog-grid, .blog-listing-grid, .projects-page-grid, .project-tab-grid { grid-template-columns: 1fr 1fr; }
    .blog-post-content .content-grid { grid-template-columns: 1fr; }
    .content-sidebar { position: static; }
    .services-overview-grid { grid-template-columns: 1fr 1fr; }
    .why-asz-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: flex; }
    .nav-links.open {
        display: flex; flex-direction: column; position: absolute;
        top: 100%; left: 0; right: 0; background: var(--white);
        padding: 24px; gap: 16px; box-shadow: var(--shadow-lg);
    }
    .nav-links.open a { color: var(--gray-900) !important; }
    .nav-links.open .dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; padding: 0 0 0 16px;
    }
    .slide-content { padding-left: 24px; padding-right: 24px; }
    .slider-btn { width: 40px; height: 40px; font-size: 0.8rem; }
    .slider-btn.prev { left: 12px; }
    .slider-btn.next { right: 12px; }
    .slider-dots { bottom: 110px; }
    .hero-stats { gap: 24px; flex-wrap: wrap; }
    .stat-number { font-size: 1.8rem; }
    .service-card { flex: 0 0 calc(100% - 24px); min-width: unset; }
    .project-tab-grid { grid-template-columns: 1fr; }
    .project-tabs { gap: 6px; }
    .project-tab { padding: 10px 16px; font-size: 0.82rem; }
    .blog-grid, .blog-listing-grid, .projects-page-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 28px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .features-grid, .products-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 120px 0 60px; }
    .services-overview-grid { grid-template-columns: 1fr; }
    .why-asz-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .slide-content h1 { font-size: 1.7rem; }
    .hero-stats { gap: 16px; padding: 20px 16px; }
    .stat-number { font-size: 1.5rem; }
}