/* ===== CSS Variables ===== */
:root {
    --primary: #2874A6;
    --primary-dark: #1a5c87;
    --primary-light: #3498db;
    --secondary: #1a1a2e;
    --dark: #0f0f1a;
    --light: #f4f8fb;
    --gray: #6c757d;
    --white: #ffffff;
    --accent: #d4a853;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Poppins', sans-serif; line-height: 1.6; color: #333; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Page Loader ===== */
.page-loader { position: fixed; inset: 0; background: linear-gradient(135deg, #0a2846, #1a1a2e); z-index: 99999; display: flex; align-items: center; justify-content: center; transition: opacity 0.6s ease, visibility 0.6s ease; }
.page-loader.loader-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-content { text-align: center; z-index: 2; position: relative; }
.loader-logo img { height: 180px; animation: loaderPulse 1.5s ease-in-out infinite; }
.loader-text { color: var(--white); font-size: 1.3rem; font-weight: 600; letter-spacing: 2px; margin-top: 20px; animation: loaderFadeIn 0.8s ease 0.3s both; }
.loader-bar { width: 200px; height: 3px; background: rgba(255,255,255,0.15); border-radius: 3px; margin: 20px auto; overflow: hidden; }
.loader-bar-fill { width: 0%; height: 100%; background: linear-gradient(90deg, var(--primary-light), var(--accent)); border-radius: 3px; animation: loaderProgress 2s ease-in-out forwards; }
.loader-tagline { color: rgba(255,255,255,0.6); font-size: 0.85rem; letter-spacing: 2px; animation: loaderFadeIn 0.8s ease 0.7s both; }
.loader-particles { position: absolute; inset: 0; overflow: hidden; }
.loader-particles span { position: absolute; width: 6px; height: 6px; background: rgba(40,116,166,0.4); border-radius: 50%; animation: particleFloat 3s ease-in-out infinite; }
.loader-particles span:nth-child(1){left:10%;top:20%;animation-delay:0s}
.loader-particles span:nth-child(2){left:25%;top:70%;animation-delay:0.3s}
.loader-particles span:nth-child(3){left:40%;top:30%;animation-delay:0.6s}
.loader-particles span:nth-child(4){left:55%;top:80%;animation-delay:0.9s}
.loader-particles span:nth-child(5){left:70%;top:15%;animation-delay:1.2s}
.loader-particles span:nth-child(6){left:85%;top:60%;animation-delay:1.5s}
@keyframes loaderPulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.08);opacity:0.8} }
@keyframes loaderFadeIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes loaderProgress { 0%{width:0%} 50%{width:60%} 100%{width:100%} }
@keyframes particleFloat { 0%,100%{transform:translateY(0) scale(1);opacity:0.4} 50%{transform:translateY(-30px) scale(1.5);opacity:0.8} }

/* ===== Navigation ===== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 20px 0; transition: var(--transition); transform: translateY(-100%); }
.navbar.nav-visible { transform: translateY(0); }
.navbar.scrolled { background: var(--secondary); padding: 10px 0; box-shadow: 0 2px 20px rgba(0,0,0,0.3); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { text-decoration: none; display: flex; align-items: center; gap: 12px; }
.logo img { height: 50px; width: auto; }
.logo-text-group { display: flex; flex-direction: column; }
.logo-text { font-size: 1.5rem; font-weight: 800; color: var(--white); letter-spacing: 3px; line-height: 1.1; }
.logo-sub { font-size: 0.55rem; color: rgba(255,255,255,0.7); letter-spacing: 3px; }
.nav-links { display: flex; list-style: none; gap: 25px; }
.nav-links a { text-decoration: none; color: var(--white); font-weight: 500; font-size: 0.9rem; transition: var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--primary); }
.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 25px; height: 3px; background: var(--white); transition: var(--transition); }

/* ===== Hero Section ===== */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.hero-video { position: absolute; top: 50%; left: 50%; min-width: 100%; min-height: 100%; width: auto; height: auto; transform: translate(-50%, -50%); object-fit: cover; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,40,70,0.85), rgba(26,26,46,0.7)); z-index: 1; }
.hero-content { position: relative; text-align: center; color: var(--white); max-width: 750px; padding: 0 20px; z-index: 2; }
.hero-tagline { font-size: 1rem; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 10px; opacity: 0.8; }
.hero-logo { margin-bottom: 25px; }
.hero-logo img { height: 160px; width: auto; }
.hero-content h1 { font-size: 3.2rem; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.highlight { color: var(--primary-light); }
.hero-content > p { font-size: 1.1rem; margin-bottom: 30px; opacity: 0.9; }
.hero-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; margin-bottom: 30px; }
.hero-contact { display: flex; gap: 25px; justify-content: center; flex-wrap: wrap; }
.hero-contact a { color: var(--primary-light); font-weight: 600; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; transition: var(--transition); }
.hero-contact a:hover { color: var(--white); }
.hero-animate { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.hero-animate.hero-visible { opacity: 1; transform: translateY(0); }
.hero-animate[data-delay="0"]{transition-delay:0s} .hero-animate[data-delay="1"]{transition-delay:0.2s} .hero-animate[data-delay="2"]{transition-delay:0.4s} .hero-animate[data-delay="3"]{transition-delay:0.6s} .hero-animate[data-delay="4"]{transition-delay:0.8s} .hero-animate[data-delay="5"]{transition-delay:1s}

/* ===== Buttons ===== */
.btn { padding: 14px 35px; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 0.95rem; transition: all 0.3s ease; display: inline-block; border: none; cursor: pointer; letter-spacing: 0.3px; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); box-shadow: 0 4px 15px rgba(40,116,166,0.3); }
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-dark), #14496e); transform: translateY(-3px); box-shadow: 0 8px 25px rgba(40,116,166,0.4); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid rgba(40,116,166,0.7); backdrop-filter: blur(5px); }
.btn-secondary:hover { background: var(--primary); border-color: var(--primary); color: var(--white); transform: translateY(-3px); box-shadow: 0 8px 25px rgba(40,116,166,0.3); }

/* ===== Section Styles ===== */
section[id] { scroll-margin-top: 80px; }
.section-header { text-align: center; margin-bottom: 30px; }
.section-header h2 { font-size: 2.4rem; font-weight: 700; color: var(--secondary); margin-bottom: 10px; letter-spacing: -0.5px; }
.section-header p { color: var(--gray); font-size: 1.05rem; }

/* ===== About Section ===== */
.about { padding: 40px 0 60px; background: var(--white); margin-bottom: 40px; }
.about .container { width: 100%; }
.about .section-header { margin-bottom: 25px; }
.about-grid { display: grid; grid-template-columns: 0.5fr 1.5fr; gap: 40px; align-items: center; }
.about-image { overflow: hidden; border-radius: 16px; position: relative; box-shadow: 0 15px 40px rgba(0,0,0,0.12); }
.about-image::after { content: ''; position: absolute; inset: 0; border-radius: 16px; border: 3px solid rgba(40,116,166,0.2); pointer-events: none; }
.about-image img { width: 100%; border-radius: 16px; max-height: 280px; object-fit: cover; object-position: top; transition: transform 0.6s ease; }
.about-image:hover img { transform: scale(1.05); }
.about-content h3 { font-size: 1.5rem; color: var(--secondary); margin-bottom: 12px; position: relative; padding-bottom: 12px; }
.about-content h3::after { content: ''; position: absolute; bottom: 0; left: 0; width: 50px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--primary)); border-radius: 3px; }
.about-content p { color: var(--gray); margin-bottom: 12px; line-height: 1.7; font-size: 0.88rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 20px; }
.stat-item { text-align: center; padding: 18px 12px; background: linear-gradient(135deg, #f8fbff, #f0f4fa); border-radius: 12px; border: 1px solid rgba(40,116,166,0.1); position: relative; overflow: hidden; }
.stat-item::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.stat-number { display: block; font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.75rem; color: var(--gray); font-weight: 500; }

/* ===== Projects Section ===== */
.projects { padding: 40px 0; background: var(--light); min-height: calc(100vh - 70px); }
.project-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 50px; }
.project-tab { position: relative; background: var(--white); border: none; border-radius: 16px; padding: 0; cursor: pointer; overflow: hidden; transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); display: flex; flex-direction: column; align-items: center; box-shadow: 0 4px 15px rgba(0,0,0,0.08); }
.project-tab img { width: 100%; height: auto; aspect-ratio: 4/3; object-fit: contain; object-position: center; background: linear-gradient(135deg, #f0f4f8, #e8eef5); padding: 10px; transition: transform 0.5s ease, filter 0.4s ease; }
.project-tab span { padding: 14px 10px; font-weight: 600; font-size: 0.9rem; color: var(--secondary); text-align: center; width: 100%; transition: var(--transition); background: var(--white); position: relative; z-index: 1; }
.project-tab::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(26,26,46,0.3) 100%); opacity: 0; transition: opacity 0.4s ease; pointer-events: none; border-radius: 16px; }
.project-tab:hover { transform: translateY(-8px); box-shadow: 0 15px 40px rgba(40,116,166,0.2); }
.project-tab:hover img { transform: scale(1.08); }
.project-tab:hover::after { opacity: 1; }
.project-tab.active { box-shadow: 0 12px 35px rgba(40,116,166,0.25); transform: translateY(-8px); }
.project-tab.active span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); }
.project-tab.active::after { opacity: 0; }

/* ===== Project Panels ===== */
.project-panels { background: var(--white); border-radius: 20px; padding: 50px; box-shadow: 0 10px 50px rgba(0,0,0,0.08); border: none; transition: opacity 0.3s ease, transform 0.3s ease; position: relative; overflow: hidden; }
.project-panels::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light)); }
.project-panels.panel-exit { opacity: 0; transform: translateY(10px); }
.project-panels.panel-enter { animation: panelSlideIn 0.5s ease forwards; }
@keyframes panelSlideIn { 0%{opacity:0;transform:translateY(15px)} 100%{opacity:1;transform:translateY(0)} }
.panel-header { text-align: center; margin-bottom: 45px; padding-bottom: 25px; border-bottom: 2px solid var(--light); position: relative; }
.panel-header h3 { font-size: 2rem; color: var(--secondary); margin-bottom: 8px; font-weight: 700; letter-spacing: -0.5px; }
.panel-header p { color: var(--gray); font-size: 1.05rem; font-style: italic; }

/* ===== Project Detail Grid ===== */
.project-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.project-highlight-box { background: linear-gradient(135deg, #f8fbff, #f0f4fa); padding: 35px; border-radius: 16px; margin-bottom: 30px; border-left: 5px solid var(--accent); box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.project-highlight-box h3 { font-size: 1.3rem; color: var(--secondary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.project-highlight-box h3::before { content: '✦'; color: var(--accent); font-size: 1.1rem; }
.highlight-list { list-style: none; }
.highlight-list li { padding: 10px 0; color: #444; display: flex; align-items: center; gap: 12px; font-size: 0.95rem; transition: transform 0.2s ease; }
.highlight-list li:hover { transform: translateX(5px); }
.highlight-list li i { color: var(--accent); font-size: 1rem; min-width: 20px; }
.area-statement { background: linear-gradient(135deg, #f8fbff, #f0f4fa); padding: 35px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.area-statement h3 { font-size: 1.3rem; color: var(--secondary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.area-statement h3::before { content: '📐'; font-size: 1.1rem; }
.area-statement table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.area-statement th, .area-statement td { padding: 14px 18px; text-align: center; }
.area-statement th { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.5px; }
.area-statement td { background: var(--white); border-bottom: 1px solid #f0f0f0; font-weight: 500; color: #333; }
.area-statement tr:last-child td { border-bottom: none; }
.project-detail-image { position: relative; border-radius: 16px; overflow: hidden; box-shadow: 0 15px 40px rgba(0,0,0,0.12); }
.project-detail-image img { width: 100%; border-radius: 16px; display: block; transition: transform 0.5s ease; }
.project-detail-image:hover img { transform: scale(1.03); }
.location-badge { position: absolute; bottom: 15px; left: 15px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); padding: 12px 20px; border-radius: 10px; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.9rem; box-shadow: 0 4px 15px rgba(40,116,166,0.3); backdrop-filter: blur(5px); }

/* ===== Project Location ===== */
.project-location-section { margin-top: 50px; padding-top: 45px; border-top: 2px solid var(--light); }
.project-location-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.project-location-map { background: linear-gradient(135deg, #f8fbff, #f0f4fa); padding: 30px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.project-location-map h3, .project-location-advantages h3 { font-size: 1.25rem; color: var(--secondary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; font-weight: 700; }
.project-location-map h3 i, .project-location-advantages h3 i { color: var(--primary); font-size: 1.1rem; }
.project-map-image { margin-bottom: 20px; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.project-map-image img { width: 100%; height: auto; display: block; object-fit: cover; transition: transform 0.4s ease; }
.project-map-image:hover img { transform: scale(1.02); }

.project-address { margin-top: 15px; font-size: 0.9rem; color: var(--gray); display: flex; align-items: center; gap: 10px; padding: 12px 15px; background: var(--white); border-radius: 8px; border: 1px solid rgba(0,0,0,0.06); }
.project-address i { color: var(--primary); font-size: 1rem; }
.project-location-advantages { background: linear-gradient(135deg, #f8fbff, #f0f4fa); padding: 30px; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.04); }
.project-location-advantages ul { list-style: none; padding: 0; }
.project-location-advantages li { padding: 12px 15px; margin-bottom: 8px; border-radius: 10px; background: var(--white); display: flex; align-items: center; gap: 12px; color: #444; font-size: 0.92rem; transition: all 0.3s ease; box-shadow: 0 2px 8px rgba(0,0,0,0.03); border: 1px solid rgba(0,0,0,0.04); }
.project-location-advantages li:hover { transform: translateX(5px); box-shadow: 0 4px 15px rgba(40,116,166,0.1); border-color: var(--primary-light); }
.project-location-advantages li:last-child { margin-bottom: 0; }
.project-location-advantages li i { color: var(--primary); width: 22px; text-align: center; font-size: 1rem; }

/* ===== Specifications Section ===== */
.specifications { padding: 30px 0 60px; background: linear-gradient(135deg, var(--secondary), #0f1a2e); }
.specifications .container { width: 100%; }
.specifications .section-header h2 { color: var(--white); }
.specifications .section-header p { color: rgba(255,255,255,0.7); }
.specifications .section-header { margin-bottom: 30px; }
.specs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.spec-card { background: rgba(255,255,255,0.06); padding: 20px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); transition: all 0.4s ease; backdrop-filter: blur(5px); }
.spec-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.3); border-color: rgba(40,116,166,0.4); }
.spec-icon { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.spec-icon i { font-size: 1rem; color: var(--white); }
.spec-card h4 { color: var(--white); margin-bottom: 6px; font-size: 0.95rem; }
.spec-card p { color: rgba(255,255,255,0.65); font-size: 0.78rem; line-height: 1.5; }

/* ===== Contact Section ===== */
.contact { padding: 30px 0 60px; background: var(--white); }
.contact .container { width: 100%; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-item { display: flex; gap: 15px; margin-bottom: 18px; padding: 18px; background: linear-gradient(135deg, #f8fbff, #f0f4fa); border-radius: 12px; transition: all 0.3s ease; border: 1px solid rgba(0,0,0,0.04); }
.contact-item:hover { transform: translateX(5px); box-shadow: 0 5px 20px rgba(40,116,166,0.08); }
.contact-item > i { font-size: 1.2rem; color: var(--primary); margin-top: 3px; width: 22px; }
.contact-item h4 { color: var(--secondary); margin-bottom: 4px; font-size: 0.9rem; font-weight: 600; }
.contact-item p { color: var(--gray); font-size: 0.83rem; line-height: 1.5; }
.contact-item a { color: var(--primary); text-decoration: none; font-weight: 500; }
.contact-item a:hover { text-decoration: underline; }
.contact-form { background: linear-gradient(135deg, #f8fbff, #f0f4fa); padding: 25px 30px; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.04); }
.contact-form h3 { color: var(--secondary); margin-bottom: 15px; font-size: 1.2rem; font-weight: 700; }
.contact-form .form-group { margin-bottom: 12px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; padding: 11px 16px; border: 2px solid #e8eef5; border-radius: 10px; font-family: 'Poppins', sans-serif; font-size: 0.85rem; transition: all 0.3s ease; background: var(--white); }
.contact-form textarea { resize: none; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(40,116,166,0.1); }
.contact-form .btn { width: 100%; padding: 14px; margin-top: 5px; font-size: 1rem; border-radius: 10px; }

/* ===== Footer ===== */
.footer { background: linear-gradient(180deg, var(--dark), #080812); padding: 80px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 50px; }
.footer-col h3 { color: var(--accent); font-size: 1.2rem; margin-bottom: 15px; }
.footer-col h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-col p { color: rgba(255,255,255,0.6); font-size: 0.85rem; line-height: 1.8; margin-bottom: 8px; }
.footer-col p i { color: var(--accent); margin-right: 8px; width: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.social-links { display: flex; gap: 12px; margin-top: 20px; }
.social-links a { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: var(--white); transition: all 0.3s ease; border: 1px solid rgba(255,255,255,0.1); }
.social-links a:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px) scale(1.1); box-shadow: 0 5px 15px rgba(40,116,166,0.4); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 30px; text-align: center; }
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 0.85rem; }
.footer-bottom .disclaimer { margin-top: 10px; font-size: 0.75rem; color: rgba(255,255,255,0.3); max-width: 800px; margin-left: auto; margin-right: auto; }

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .about-grid, .contact-grid, .project-detail-grid, .project-location-grid { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .project-tabs { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--secondary); flex-direction: column; padding: 20px; gap: 15px; z-index: 999; }
    .nav-links.active { display: flex; }
    .hamburger { display: flex; }

    .hero-content h1 { font-size: 2rem; }
    .hero-content > p { font-size: 0.9rem; }
    .hero-logo img { height: 80px; }
    .hero-tagline { font-size: 0.8rem; }
    .hero-contact { flex-direction: column; gap: 10px; }
    .hero-contact a { font-size: 0.95rem; }
    .btn { padding: 12px 25px; font-size: 0.85rem; }

    .section-header h2 { font-size: 1.6rem; }
    .section-header p { font-size: 0.85rem; }

    .about-grid { gap: 20px; }
    .about-image img { max-height: 200px; }
    .about-content h3 { font-size: 1.2rem; }
    .about-content p { font-size: 0.8rem; line-height: 1.5; }
    .stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .stat-item { padding: 8px; }
    .stat-number { font-size: 1.2rem; }
    .stat-label { font-size: 0.65rem; }

    .project-tabs { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 15px; }
    .project-tab span { font-size: 0.75rem; padding: 10px 5px; }
    .project-panels { padding: 15px 12px; }
    .panel-header { margin-bottom: 15px; }
    .panel-header h3 { font-size: 1.3rem; }
    .project-detail-grid { gap: 20px; }
    .project-highlight-box { padding: 15px; margin-bottom: 15px; }
    .project-highlight-box h3 { font-size: 1.1rem; margin-bottom: 10px; }
    .highlight-list li { padding: 5px 0; font-size: 0.8rem; }
    .area-statement { padding: 15px; }
    .area-statement th, .area-statement td { padding: 8px 10px; font-size: 0.8rem; }
    .project-detail-image img { max-height: 200px; object-fit: cover; }
    .location-badge { padding: 8px 12px; font-size: 0.75rem; }
    .project-location-section { margin-top: 20px; padding-top: 20px; }
    .project-location-grid { gap: 20px; }
    .project-location-advantages li { font-size: 0.8rem; padding: 8px 10px; }

    .specs-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .spec-card { padding: 10px; }
    .spec-icon { width: 25px; height: 25px; margin-bottom: 5px; }
    .spec-icon i { font-size: 0.7rem; }
    .spec-card h4 { font-size: 0.75rem; }
    .spec-card p { font-size: 0.65rem; }

    .contact-grid { gap: 20px; }
    .contact-form { padding: 15px; }
    .contact-item h4 { font-size: 0.8rem; }
    .contact-item p { font-size: 0.75rem; }

    .footer { padding: 40px 0 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 25px; margin-bottom: 25px; }
    .footer-col h3 { font-size: 1rem; }
    .footer-col h4 { font-size: 0.9rem; margin-bottom: 10px; }
    .footer-col p { font-size: 0.8rem; }

    .loader-logo img { height: 60px; }
    .loader-text { font-size: 1rem; letter-spacing: 1px; }
    .loader-tagline { font-size: 0.7rem; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.6rem; }
    .hero-content > p { font-size: 0.8rem; margin-bottom: 20px; }
    .hero-logo img { height: 60px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; text-align: center; }

    .logo img { height: 35px; }
    .logo-text { font-size: 1.1rem; letter-spacing: 2px; }
    .logo-sub { font-size: 0.45rem; }

    .about-content h3 { font-size: 1.1rem; }
    .stats { grid-template-columns: repeat(3, 1fr); gap: 5px; }
    .stat-number { font-size: 1rem; }

    .project-tabs { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .project-tab span { font-size: 0.7rem; padding: 8px 4px; }

    .specs-grid { grid-template-columns: 1fr 1fr; gap: 6px; }

    .contact-grid { grid-template-columns: 1fr; }

    .section-header h2 { font-size: 1.4rem; }
}

/* ===== iOS Specific Fixes ===== */
/* Fix iOS momentum scrolling */
body { -webkit-overflow-scrolling: touch; }

/* Fix iOS 100vh issue (address bar) */
.hero { min-height: 100vh; min-height: -webkit-fill-available; }

/* Fix iOS tap highlight */
a, button { -webkit-tap-highlight-color: transparent; }

/* Fix iOS input zoom */
@media (max-width: 768px) {
    input, select, textarea { font-size: 16px !important; }
}

/* Fix iOS fixed positioning */
.navbar { -webkit-transform: translateZ(0); }

/* Smooth animations on iOS */
.hero-animate, .fade-in, .fade-in-left, .fade-in-right, .scale-in {
    -webkit-transform: translateZ(0);
    -webkit-backface-visibility: hidden;
}

/* Safe area for iPhone notch */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer { padding-bottom: calc(30px + env(safe-area-inset-bottom)); }
    .navbar { padding-top: env(safe-area-inset-top); }
}

/* ===== Scroll Animations ===== */
.fade-in { opacity: 0; transform: translateY(25px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in-right.visible { opacity: 1; transform: translateX(0); }
.scale-in { opacity: 0; transform: scale(0.9); transition: opacity 0.5s ease, transform 0.5s ease; }
.scale-in.visible { opacity: 1; transform: scale(1); }

/* ===== Hover Animations ===== */
.about-image img { transition: transform 0.5s ease; }
.about-image:hover img { transform: scale(1.03); }

.stat-item { transition: transform 0.3s ease, box-shadow 0.3s ease; }
.stat-item:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }

.highlight-list li { transition: transform 0.2s ease; }
.highlight-list li:hover { transform: translateX(5px); }

.project-location-advantages li { transition: transform 0.2s ease; }
.project-location-advantages li:hover { transform: translateX(5px); }

.contact-item { transition: transform 0.2s ease; }
.contact-item:hover { transform: translateX(4px); }

.btn-primary { position: relative; overflow: hidden; }
.btn-primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s ease; }
.btn-primary:hover::before { left: 100%; }

.social-links a { transition: transform 0.3s ease, background 0.3s ease; }
.social-links a:hover { transform: translateY(-3px) scale(1.1); }

.footer-col ul li a { transition: color 0.3s ease, transform 0.3s ease; display: inline-block; }
.footer-col ul li a:hover { transform: translateX(4px); }

/* ===== Active Nav Indicator ===== */
.nav-links a.active-nav { color: var(--primary-light); }
.nav-links a.active-nav::after { width: 100%; }

/* ===== Project Tab Pulse on Active ===== */
.project-tab.active { animation: tabPulse 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
@keyframes tabPulse { 0%{transform:scale(1)} 50%{transform:scale(1.05)} 100%{transform:scale(1)} }

/* ===== Hero Logo Float Animation ===== */
.hero-logo img {
    animation: heroFloat 4s ease-in-out infinite;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== Hero Tagline Typing Cursor ===== */
.hero-tagline::after {
    content: '|';
    animation: blink 1s step-end infinite;
    margin-left: 3px;
    font-weight: 300;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== Navbar Logo Pulse on Hover ===== */
.logo img {
    transition: transform 0.3s ease;
}
.logo:hover img {
    animation: logoPulse 0.6s ease;
}
@keyframes logoPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1) rotate(-3deg); }
    100% { transform: scale(1); }
}

/* ===== Project Panel Inner Stagger ===== */
.project-panels .project-highlight-box {
    animation: slideInLeft 0.5s ease 0.1s both;
}
.project-panels .area-statement {
    animation: slideInLeft 0.5s ease 0.2s both;
}
.project-panels .project-detail-image {
    animation: slideInRight 0.6s ease 0.15s both;
}
.project-panels .project-location-section {
    animation: fadeUp 0.5s ease 0.3s both;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Spec Card Icon Spin on Hover ===== */
.spec-card:hover .spec-icon i {
    animation: iconSpin 0.5s ease;
}
@keyframes iconSpin {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

/* ===== Location Badge Bounce ===== */
.location-badge {
    animation: badgeBounce 2s ease-in-out infinite;
}
@keyframes badgeBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* ===== Section Divider Line Animation ===== */
.section-header h2 {
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.6s ease 0.3s;
}
.section-header.visible h2::after,
.fade-in.visible h2::after {
    width: 50px;
}