/* ============================================
   NOAH INFRA PROJECTS — Premium Construction
   Dark Blue & White · Professional Theme
   ============================================ */

/* --- VARIABLES --- */
:root {
    --navy-deep: #040d21;
    --navy: #071732;
    --navy-light: #0f2447;
    --blue: #1a6dd4;
    --blue-light: #1ab9e5;
    --blue-bright: #3ec6ff;
    --white: #ffffff;
    --off-white: #e8ecf2;
    --gray: #8a9ab5;
    --gray-dark: #4a5a73;
    --gold: #d4a853;

    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.08);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- RESET & BASE --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-body);
    background: var(--navy-deep);
    color: var(--off-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* --- LAYOUT --- */
.container { max-width: 1320px; margin: 0 auto; padding: 0 2rem; }
.section-padding { padding: 8rem 0; }
.text-center { text-align: center; }

/* --- PRELOADER --- */
.preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--navy-deep); z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}
.preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader-inner { text-align: center; }
.preloader-inner p {
    font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700;
    letter-spacing: 6px; color: var(--white); margin-top: 2rem;
}
.loader-ring {
    width: 60px; height: 60px; margin: 0 auto;
    border: 3px solid var(--glass-border);
    border-top-color: var(--blue-light);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.15; }
.section-tag {
    display: inline-block; font-size: 0.85rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 4px; color: var(--blue-light);
    margin-bottom: 1rem;
}
.section-tag.light { color: var(--blue-bright); }
.section-title { font-size: 3.5rem; font-weight: 800; color: var(--white); margin-bottom: 1.5rem; letter-spacing: -1px; }
.section-title.white { color: var(--white); }
.highlight { color: var(--blue-light); }
.gradient-text {
    background: linear-gradient(135deg, var(--white) 0%, var(--blue-light) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-desc { color: var(--gray); font-size: 1.15rem; max-width: 650px; margin: 0 auto; }
.divider-line {
    width: 60px; height: 3px; background: var(--blue-light); margin: 1.5rem 0; border-radius: 2px;
}
.divider-line.center { margin: 1.5rem auto; }
.divider-line.light { background: var(--blue-bright); }

/* --- BUTTONS --- */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 1rem 2.2rem; border-radius: 50px; font-weight: 600; font-size: 0.95rem;
    letter-spacing: 0.5px; border: none; cursor: pointer;
    transition: var(--transition); position: relative; overflow: hidden;
}
.btn-primary {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
    color: var(--white); box-shadow: 0 4px 15px rgba(26, 109, 212, 0.4);
}
.btn-primary:hover {
    transform: translateY(-3px); box-shadow: 0 8px 30px rgba(26, 109, 212, 0.6);
}
.btn-glass {
    background: rgba(255, 255, 255, 0.08); color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.15); transform: translateY(-3px);
}

/* --- NAVBAR --- */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1.2rem 0; transition: var(--transition);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(20px);
    padding: 0.6rem 0; box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }

/* Logo */
.custom-logo {
    display: flex; align-items: center; gap: 10px; height: 56px; text-decoration: none;
}
.logo-icon-wrapper {
    width: 48px; height: 56px; overflow: hidden; position: relative; flex-shrink: 0;
}
.logo-icon-img {
    width: 100%; height: 100%; object-fit: contain; object-position: center bottom;
}
.logo-text {
    display: flex; flex-direction: column; align-items: flex-start; line-height: 1;
}
.logo-text .noah {
    font-family: 'Times New Roman', Times, serif; font-size: 28px; font-weight: 700;
    color: var(--white); line-height: 1; letter-spacing: 1px;
    transition: color 0.4s;
}
.logo-text .infra {
    font-family: var(--font-body); font-size: 11px; font-weight: 700;
    color: #1ab9e5; letter-spacing: 5px; margin-top: 2px;
}
.navbar.scrolled .logo-text .noah { color: #1a3a7a; }
.navbar.scrolled .logo-text .infra { color: #1ab9e5; }

/* Nav Links */
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
    font-weight: 500; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.75); position: relative; padding: 5px 0;
}
.nav-links a::after {
    content: ''; position: absolute; width: 0; height: 2px; bottom: -2px; left: 0;
    background: var(--blue-light); transition: var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.navbar.scrolled .nav-links a { color: var(--gray-dark); }
.navbar.scrolled .nav-links a:hover { color: var(--navy); }

.nav-cta {
    background: linear-gradient(135deg, var(--blue), var(--blue-light)) !important;
    color: var(--white) !important; padding: 0.6rem 1.5rem !important; border-radius: 50px !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(26, 109, 212, 0.5); }

/* Mobile Menu */
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 6px; background: none; border: none;
    cursor: pointer; padding: 5px; z-index: 1001;
}
.mobile-menu-btn span {
    width: 28px; height: 2px; background: var(--white); transition: 0.4s;
}
.navbar.scrolled .mobile-menu-btn span { background: var(--navy); }
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* --- HERO --- */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    overflow: hidden;
}
.hero-bg-image {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    background-attachment: fixed; transform: scale(1.1);
    animation: heroZoom 25s ease-in-out infinite alternate;
}
@keyframes heroZoom { 0% { transform: scale(1.1); } 100% { transform: scale(1.25); } }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(4, 13, 33, 0.92) 0%, rgba(7, 23, 50, 0.85) 50%, rgba(26, 109, 212, 0.3) 100%);
}

/* Particles */
.particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.hero-content { position: relative; z-index: 10; max-width: 850px; padding: 120px 0 80px; }
.hero-badge {
    display: inline-block; padding: 0.5rem 1.5rem; border-radius: 50px; font-size: 0.85rem;
    font-weight: 500; letter-spacing: 2px; text-transform: uppercase;
    background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--blue-bright); margin-bottom: 2rem; backdrop-filter: blur(10px);
}
.hero-title { font-size: 5rem; font-weight: 900; line-height: 1.05; margin-bottom: 1.5rem; color: var(--white); }
.hero-description { font-size: 1.25rem; color: var(--gray); margin-bottom: 3rem; max-width: 600px; }
.hero-cta { display: flex; gap: 1.5rem; margin-bottom: 4rem; }

/* Stats */
.hero-stats {
    display: flex; gap: 3rem; padding: 2rem 2.5rem; border-radius: 16px;
    background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
}
.stat-item { text-align: center; }
.stat-number {
    font-family: var(--font-heading); font-size: 2.8rem; font-weight: 800; color: var(--white);
    display: inline;
}
.stat-suffix { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 600; color: var(--blue-light); }
.stat-label { display: block; font-size: 0.85rem; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-top: 0.3rem; }
.stat-divider { width: 1px; background: rgba(255, 255, 255, 0.1); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 10px; z-index: 10;
    animation: fadeInUp 1s 2s both;
}
.mouse {
    width: 26px; height: 40px; border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 15px;
    position: relative;
}
.wheel {
    width: 4px; height: 8px; background: var(--blue-light); border-radius: 2px;
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}
@keyframes scrollWheel { 0% { opacity: 1; top: 8px; } 100% { opacity: 0; top: 24px; } }
.scroll-indicator span { font-size: 0.75rem; color: var(--gray); text-transform: uppercase; letter-spacing: 2px; }

/* --- ABOUT SECTION (Split Layout) --- */
.about {
    display: grid; grid-template-columns: 1fr 1fr; min-height: 80vh;
}
.about-image-section {
    position: relative; overflow: hidden;
}
.about-img {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    transition: transform 8s ease;
}
.about-image-section:hover .about-img { transform: scale(1.08); }
.about-img-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(4, 13, 33, 0.6) 0%, rgba(26, 185, 229, 0.15) 100%);
}
.about-content-section {
    display: flex; align-items: center; padding: 5rem;
    background: var(--navy);
}
.about-inner { max-width: 550px; }
.about-inner p { color: var(--gray); margin-bottom: 1.5rem; font-size: 1.05rem; }
.about-inner strong { color: var(--white); }
.about-features {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 2rem;
}
.feature {
    display: flex; align-items: center; gap: 10px; padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px; transition: var(--transition);
}
.feature:hover { background: rgba(26, 185, 229, 0.08); border-color: rgba(26, 185, 229, 0.2); transform: translateX(5px); }
.feature-icon {
    width: 28px; height: 28px; background: var(--blue-light); color: var(--white);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 800; flex-shrink: 0;
}
.feature span { font-size: 0.9rem; font-weight: 500; }

/* --- SERVICES --- */
.services { background: var(--navy-deep); }
.services-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 4rem;
}
.service-card {
    padding: 2.5rem 2rem; border-radius: 20px; position: relative; overflow: hidden;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
    background: linear-gradient(90deg, var(--blue), var(--blue-light));
    transform: scaleX(0); transform-origin: left; transition: transform 0.6s var(--ease);
}
.service-card:hover { transform: translateY(-10px); background: var(--glass-hover); border-color: rgba(26, 185, 229, 0.2); }
.service-card:hover::before { transform: scaleX(1); }
.service-number {
    position: absolute; top: 15px; right: 20px; font-family: var(--font-heading);
    font-size: 4rem; font-weight: 900; color: rgba(255, 255, 255, 0.03);
    line-height: 1; transition: var(--transition);
}
.service-card:hover .service-number { color: rgba(26, 185, 229, 0.08); }
.service-icon-wrap {
    width: 70px; height: 70px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.15), rgba(26, 185, 229, 0.1));
    border: 1px solid rgba(26, 185, 229, 0.2); margin-bottom: 1.5rem; color: var(--blue-light);
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 1.2rem; color: var(--white); }
.service-card ul { color: var(--gray); }
.service-card li {
    padding: 0.5rem 0 0.5rem 1.5rem; position: relative; font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.service-card li:last-child { border-bottom: none; }
.service-card li::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 6px; height: 6px; background: var(--blue-light); border-radius: 50%;
}

/* --- PROJECTS --- */
.projects { background: var(--navy); }

/* Featured Project Cards */
.featured-projects { margin-top: 4rem; display: flex; flex-direction: column; gap: 4rem; }
.featured-card {
    display: grid; grid-template-columns: 1.2fr 1fr; border-radius: 24px; overflow: hidden;
    background: rgba(255, 255, 255, 0.02); border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.featured-card:hover { transform: translateY(-5px); border-color: rgba(26, 185, 229, 0.2); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); }
.featured-card.reverse { direction: rtl; }
.featured-card.reverse > * { direction: ltr; }
.featured-img { position: relative; overflow: hidden; min-height: 350px; }
.featured-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 8s ease;
}
.featured-card:hover .featured-img img { transform: scale(1.1); }
.featured-img-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(4, 13, 33, 0.3), transparent);
}
.featured-info { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.featured-info h3 { font-size: 1.8rem; margin-bottom: 0.5rem; color: var(--white); }
.featured-location {
    color: var(--blue-light); font-size: 0.9rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 2px; margin-bottom: 1.5rem;
}
.featured-meta { color: var(--gray); font-size: 0.95rem; display: flex; flex-direction: column; gap: 0.8rem; }
.featured-meta strong { color: var(--off-white); }
.featured-value {
    margin-top: 2rem; font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
    color: var(--white);
}

/* Badges */
.badge {
    display: inline-block; padding: 0.35rem 1rem; border-radius: 30px; font-size: 0.7rem;
    font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 1rem;
}
.badge-success { background: rgba(16, 185, 129, 0.12); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.25); }
.badge-warning { background: rgba(245, 158, 11, 0.12); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.25); }
.badge-pending { background: rgba(26, 185, 229, 0.12); color: var(--blue-bright); border: 1px solid rgba(26, 185, 229, 0.25); }

/* Mini Project Cards Grid */
.other-projects-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 5rem;
}
.project-mini-card {
    border-radius: 16px; overflow: hidden;
    background: rgba(255, 255, 255, 0.02); border: 1px solid var(--glass-border);
    transition: var(--transition);
}
.project-mini-card:hover { transform: translateY(-8px); border-color: rgba(26, 185, 229, 0.2); }
.mini-thumb {
    height: 180px; background-size: cover; background-position: center;
    position: relative;
}
.mini-thumb::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(4, 13, 33, 0.8) 0%, transparent 60%);
}
.mini-info { padding: 1.5rem; }
.mini-info h4 { font-size: 1.15rem; color: var(--white); margin-bottom: 0.3rem; }
.mini-info > p { color: var(--blue-light); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.mini-detail { display: block; color: var(--gray); font-size: 0.85rem; margin-bottom: 0.8rem; }
.mini-value { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--white); }

/* --- MODELS SECTION (Parallax BG) --- */
.models {
    position: relative; overflow: hidden; padding: 8rem 0;
}
.models-bg {
    position: absolute; inset: 0; background-size: cover; background-position: center;
    background-attachment: fixed;
}
.models-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(4, 13, 33, 0.92), rgba(7, 23, 50, 0.88));
}
.models-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 4rem; }
.model-card {
    padding: 3.5rem; border-radius: 24px;
    background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(15px); transition: var(--transition);
}
.model-card:hover { transform: translateY(-8px); border-color: rgba(26, 185, 229, 0.3); background: rgba(255, 255, 255, 0.07); }
.model-icon-wrap {
    width: 80px; height: 80px; border-radius: 20px; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(26, 109, 212, 0.2), rgba(26, 185, 229, 0.15));
    border: 1px solid rgba(26, 185, 229, 0.25); margin-bottom: 2rem; color: var(--blue-light);
}
.model-card h3 { font-size: 1.5rem; color: var(--white); margin-bottom: 1.2rem; }
.model-card p { color: var(--gray); font-size: 1.05rem; line-height: 1.8; }

/* --- FOOTER --- */
.footer { background: var(--navy-deep); }
.footer-top { padding: 5rem 0; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 3rem; }
.footer-logo { filter: none; }
.footer-logo .logo-icon-img { mix-blend-mode: screen; }
.footer-brand .slogan { color: var(--gray); font-style: italic; margin-top: 1.5rem; font-size: 1.05rem; }
.footer-brand .tagline { color: var(--gray-dark); font-size: 0.85rem; margin-top: 0.5rem; }
.footer-logo .logo-text .noah { color: var(--white); }
.footer-logo .logo-icon-img { mix-blend-mode: luminosity; filter: brightness(5); }
.footer-col h3 {
    font-size: 1rem; color: var(--white); text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 1.5rem; position: relative; padding-bottom: 1rem;
}
.footer-col h3::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px;
    background: var(--blue-light);
}
.footer-col p { color: var(--gray); font-size: 0.95rem; line-height: 1.8; }
.footer-col ul li { margin-bottom: 0.8rem; }
.footer-col a { color: var(--gray); font-size: 0.95rem; }
.footer-col a:hover { color: var(--blue-light); transform: translateX(5px); display: inline-block; }
.footer-bottom {
    text-align: center; padding: 2rem 0; border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray-dark); font-size: 0.85rem;
}

/* --- ANIMATIONS --- */
.reveal-up {
    opacity: 0; transform: translateY(40px);
    animation: revealUp 1s var(--ease) forwards;
}
@keyframes revealUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translate(-50%, 20px); } to { opacity: 1; transform: translate(-50%, 0); } }

.slide-up { opacity: 0; transform: translateY(50px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.slide-up.visible { opacity: 1; transform: translateY(0); }

.delay-1 { animation-delay: 0.15s; transition-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; transition-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; transition-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; transition-delay: 0.6s; }

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .other-projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .section-title { font-size: 2.8rem; }
    .about { grid-template-columns: 1fr; }
    .about-image-section { min-height: 400px; }
    .about-content-section { padding: 3rem 2rem; }
    .featured-card, .featured-card.reverse { grid-template-columns: 1fr; direction: ltr; }
    .featured-card.reverse > * { direction: ltr; }
    .featured-img { min-height: 280px; }
    .models-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .hero-stats { flex-direction: column; gap: 1.5rem; }
    .stat-divider { width: 60px; height: 1px; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.8rem; }
    .section-title { font-size: 2.2rem; }
    .section-padding { padding: 5rem 0; }
    .services-grid { grid-template-columns: 1fr; }
    .other-projects-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-col h3::after { left: 50%; transform: translateX(-50%); }
    .mobile-menu-btn { display: flex; }
    .nav-links {
        position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
        background: rgba(4, 13, 33, 0.98); backdrop-filter: blur(20px);
        flex-direction: column; justify-content: center; align-items: center;
        gap: 2rem; transform: translateX(100%); transition: var(--transition);
    }
    .nav-links.active { transform: translateX(0); }
    .nav-links a { font-size: 1.2rem; color: var(--white) !important; }
    .hero-cta { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .about-features { grid-template-columns: 1fr; }
}

/* --- MODAL CSS --- */
.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(4, 13, 33, 0.8);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--navy);
    margin: auto;
    padding: 3rem;
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 600px;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transform: scale(0.9);
    animation: scaleIn 0.3s ease-out forwards;
}

@keyframes scaleIn {
    to { transform: scale(1); }
}

.modal-close {
    color: var(--gray);
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 20px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
    color: var(--white);
    text-decoration: none;
    cursor: pointer;
}

.modal-header h2 {
    color: var(--white);
    margin-bottom: 0.5rem;
}
.modal-header p {
    color: var(--blue-light);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.modal-body p {
    color: var(--off-white);
    margin-bottom: 2rem;
}

.brochure-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.brochure-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 1.2rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--white);
    font-weight: 500;
    transition: var(--transition);
}

.brochure-link svg {
    color: var(--blue-light);
}

.brochure-link:hover {
    background: rgba(255,255,255,0.08);
    border-color: var(--blue-light);
    transform: translateY(-2px);
}

.modal-qr {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-qr img {
    max-width: 150px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.modal-actions {
    text-align: center;
}

.btn-whatsapp {
    background: #25D366; /* WhatsApp Green */
    color: white;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    font-size: 1.1rem;
    padding: 1rem 3rem;
}
.btn-whatsapp:hover {
    background: #1ebe58;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.btn-enquire-now {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--blue-light);
    color: var(--blue-light);
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-enquire-now:hover {
    background: var(--blue-light);
    color: var(--navy);
}