/* ===== ROOT VARIABLES ===== */
:root {
    --navy-dark: #0a1628;
    --navy: #0d1f3c;
    --navy-medium: #1a2d4a;
    --navy-light: #2a3f5e;
    --teal: #00b4a0;
    --teal-light: #66d4c6;
    --teal-dark: #008a7a;
    --teal-gradient: linear-gradient(135deg, #00b4a0, #008a7a, #00d4c0);
    --navy-gradient: linear-gradient(135deg, #0a1628, #0d1f3c, #1a2d4a);
    --navy-gradient-2: linear-gradient(145deg, #0a1628, #152b4a);
    --navy-gradient-3: linear-gradient(180deg, #0a1628, #0d1f3c, #1a2d4a);
    --white: #ffffff;
    --off-white: #e8edf2;
    --gray-100: #1a2a3a;
    --gray-200: #2a3a4a;
    --gray-300: #4a5a6a;
    --gray-400: #7a8a9a;
    --gray-500: #aabaca;
    --gray-600: #c5d0da;
    --gray-700: #dde5ed;
    --gray-800: #eef2f7;
    --gray-900: #f8f9fa;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(0, 180, 160, 0.05);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
    font-family: var(--font-primary);
    color: var(--gray-700);
    background: var(--navy-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; color: var(--white); }
h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.75rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-block; padding: 14px 36px;
    background: var(--teal-gradient);
    color: var(--white);
    font-weight: 600; font-size: 1rem; border: none;
    border-radius: var(--radius-md); cursor: pointer;
    transition: var(--transition); text-decoration: none;
    box-shadow: 0 4px 16px rgba(0, 180, 160, 0.3);
    position: relative;
    overflow: hidden;
}
.btn-primary::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: 0.5s;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0, 180, 160, 0.5); }

.btn-secondary {
    display: inline-block; padding: 14px 36px;
    background: transparent; color: var(--white);
    font-weight: 600; font-size: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-md); cursor: pointer;
    transition: var(--transition); text-decoration: none;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white); transform: translateY(-2px); }

.btn-outline {
    display: inline-block; padding: 12px 32px;
    background: transparent; color: var(--teal);
    font-weight: 600; font-size: 1rem;
    border: 2px solid var(--teal);
    border-radius: var(--radius-md); cursor: pointer;
    transition: var(--transition); text-decoration: none;
}
.btn-outline:hover { background: var(--teal); color: var(--white); transform: translateY(-2px); }

/* ===== HEADER ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 1px solid transparent;
    height: 80px;
    display: flex;
    align-items: center;
}
.header.scrolled {
    background: rgba(10, 22, 40, 0.88);
    backdrop-filter: blur(16px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }

/* ===== LOGO - Round ===== */
.logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo img {
    height: 52px; width: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(0, 180, 160, 0.3);
    padding: 2px;
    background: var(--navy-dark);
}
.logo-text { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; color: var(--white); letter-spacing: 1px; }
.logo-text span { color: var(--teal); }

/* ===== NAVIGATION ===== */
.nav-links { display: flex; align-items: center; gap: 2.5rem; list-style: none; }
.nav-links > li > a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
    padding: 8px 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-family: var(--font-primary);
    border-radius: 10px;
}
.nav-links > li > a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--teal-gradient);
    transition: width 0.3s ease, box-shadow 0.3s ease;
    border-radius: 2px;
}
.nav-links > li > a:hover::after,
.nav-links > li > a.active::after {
    width: 100%;
    box-shadow: 0 0 8px rgba(0, 180, 160, 0.5);
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
    color: var(--white);
}
.nav-links > li > a.active {
    background: rgba(0, 180, 160, 0.1);
    border: 1px solid rgba(0, 180, 160, 0.2);
    border-radius: 10px;
    padding: 8px 14px;
    box-shadow: 0 0 20px rgba(0, 180, 160, 0.15), 0 0 40px rgba(0, 180, 160, 0.05), inset 0 0 20px rgba(0, 180, 160, 0.05);
    backdrop-filter: blur(10px);
    text-shadow: 0 0 12px rgba(0, 180, 160, 0.3);
}
.nav-links > li > a.active::after {
    display: none;
}

.nav-links .dropdown { position: relative; }
.nav-links .dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 220px;
    background: var(--navy-gradient);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg); padding: 0.75rem 0;
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--transition); list-style: none;
    border: 1px solid rgba(255,255,255,0.05);
}
.nav-links .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-links .dropdown-menu a { display: block; padding: 0.5rem 1.5rem; color: var(--gray-400); font-weight: 400; font-size: 0.85rem; }
.nav-links .dropdown-menu a:hover { background: rgba(0, 180, 160, 0.08); color: var(--teal); }

.menu-toggle { display: none; flex-direction: column; gap: 4px; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span { display: block; width: 28px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
    padding: 140px 0 80px;
    background: var(--navy-gradient-3);
    color: var(--white);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.hero::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url('../images/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.12;
    z-index: 0;
}
.hero::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(0, 180, 160, 0.05), transparent 70%);
    z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-content { max-width: 650px; }
.hero h1 { color: var(--white); font-size: 3.8rem; margin-bottom: 1.25rem; line-height: 1.1; }
.hero h1 .highlight { background: var(--teal-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,0.75); margin-bottom: 2rem; line-height: 1.8; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.stats {
    padding: 4rem 0;
    background: var(--navy-gradient-2);
    border-top: 1px solid rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    position: relative;
}
.stats::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 180, 160, 0.03), transparent 70%);
}
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2rem; text-align: center; position: relative; z-index: 1; }
.stat-number {
    font-size: 3rem; font-weight: 800;
    background: var(--teal-gradient);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    font-variant-numeric: tabular-nums;
    display: inline-block; min-width: 80px; text-align: center; letter-spacing: 1px;
}
.stat-label { color: var(--gray-400); font-weight: 500; margin-top: 0.25rem; font-size: 0.95rem; min-height: 1.5rem; }
.stats-grid > div { min-height: 100px; display: flex; flex-direction: column; justify-content: center; align-items: center; }

.section-title { text-align: center; margin-bottom: 3rem; }
.section-title h2 { font-size: 2.5rem; color: var(--white); }
.section-title p { color: var(--gray-400); font-size: 1.1rem; max-width: 600px; margin: 0.5rem auto 0; }
.section-title .title-underline { width: 60px; height: 4px; background: var(--teal-gradient); border-radius: 2px; margin: 0.75rem auto 0; box-shadow: 0 0 20px rgba(0, 180, 160, 0.2); }

.about-preview { padding: 5rem 0; background: var(--navy-gradient); position: relative; }
.about-preview::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 80% 50%, rgba(0, 180, 160, 0.03), transparent 60%); }
.about-preview .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.about-preview .image-wrap img { width: 100%; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.05); }
.about-preview .content h2 { font-size: 2.2rem; margin-bottom: 1rem; color: var(--white); }
.about-preview .content h2 span { color: var(--teal); }
.about-preview .content p { color: var(--gray-400); line-height: 1.8; margin-bottom: 1rem; }

.services { padding: 5rem 0; background: var(--navy-gradient-2); position: relative; }
.services::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 50% 30%, rgba(0, 180, 160, 0.02), transparent 70%); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; position: relative; z-index: 1; }
.service-card { background: rgba(255,255,255,0.03); border-radius: var(--radius-md); padding: 2rem 1.5rem; transition: var(--transition); border: 1px solid rgba(255,255,255,0.04); text-align: center; backdrop-filter: blur(10px); }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg), var(--shadow-glow); border-color: rgba(0, 180, 160, 0.2); background: rgba(0, 180, 160, 0.05); }
.service-card .icon { width: 70px; height: 70px; background: var(--teal-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: var(--white); font-size: 1.75rem; box-shadow: 0 4px 16px rgba(0, 180, 160, 0.2); }
.service-card h4 { color: var(--white); margin-bottom: 0.5rem; }
.service-card p { color: var(--gray-400); font-size: 0.95rem; line-height: 1.7; }

.why-choose { padding: 5rem 0; background: var(--navy-gradient); position: relative; }
.why-choose::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 20% 50%, rgba(0, 180, 160, 0.03), transparent 60%); }
.choose-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; position: relative; z-index: 1; }
.choose-item { display: flex; gap: 1rem; align-items: flex-start; padding: 1.5rem; border-radius: var(--radius-sm); background: rgba(255,255,255,0.02); transition: var(--transition); border: 1px solid rgba(255,255,255,0.03); }
.choose-item:hover { background: rgba(255,255,255,0.05); box-shadow: var(--shadow-md); border-color: rgba(0, 180, 160, 0.15); transform: translateX(5px); }
.choose-item .icon { flex-shrink: 0; width: 48px; height: 48px; background: rgba(0, 180, 160, 0.12); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--teal); font-size: 1.25rem; }
.choose-item h5 { color: var(--white); margin-bottom: 0.25rem; }
.choose-item p { color: var(--gray-400); font-size: 0.9rem; margin: 0; line-height: 1.6; }

.testimonials { padding: 5rem 0; background: var(--navy-gradient-2); position: relative; }
.testimonials::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 70% 30%, rgba(0, 180, 160, 0.02), transparent 70%); }
.testimonials .section-title h2 { color: var(--white); }
.testimonials .section-title p { color: var(--gray-400); }
.testimonial-carousel { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; position: relative; z-index: 1; }
.testimonial-card { background: rgba(255,255,255,0.03); padding: 2rem; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.04); backdrop-filter: blur(10px); transition: var(--transition); }
.testimonial-card:hover { border-color: rgba(0, 180, 160, 0.15); }
.testimonial-card .stars { color: #ffc107; margin-bottom: 0.75rem; font-size: 0.9rem; }
.testimonial-card p { color: rgba(255,255,255,0.75); font-size: 0.95rem; line-height: 1.8; font-style: italic; margin-bottom: 1rem; }
.testimonial-card .author { display: flex; align-items: center; gap: 1rem; }
.testimonial-card .author .avatar { width: 50px; height: 50px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--white); }
.testimonial-card .author strong { color: var(--white); display: block; font-size: 0.95rem; }
.testimonial-card .author span { color: var(--gray-400); font-size: 0.85rem; }

.news-section { padding: 5rem 0; background: var(--navy-gradient); position: relative; }
.news-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 30% 70%, rgba(0, 180, 160, 0.02), transparent 60%); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; position: relative; z-index: 1; }
.news-card { background: rgba(255,255,255,0.02); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); border: 1px solid rgba(255,255,255,0.04); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(0, 180, 160, 0.15); }
.news-card .image { height: 200px; background: var(--navy-light); display: flex; align-items: center; justify-content: center; font-size: 3rem; color: var(--gray-300); }
.news-card .content { padding: 1.5rem; }
.news-card .content .date { color: var(--gray-400); font-size: 0.85rem; margin-bottom: 0.5rem; }
.news-card .content .date i { margin-right: 0.5rem; }
.news-card .content h4 { color: var(--white); margin-bottom: 0.5rem; font-size: 1.05rem; }
.news-card .content p { color: var(--gray-400); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1rem; }
.news-card .content a { color: var(--teal); font-weight: 600; text-decoration: none; transition: var(--transition); }
.news-card .content a:hover { color: var(--teal-light); }

.cta-section { padding: 5rem 0; background: var(--teal-gradient); color: var(--white); text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(ellipse at center, rgba(255,255,255,0.05), transparent 60%); animation: shimmer 10s infinite; }
@keyframes shimmer { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.cta-section h2 { color: var(--white); font-size: 2.5rem; margin-bottom: 0.5rem; position: relative; z-index: 1; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto 2rem; position: relative; z-index: 1; }
.cta-section .btn-primary { background: var(--white); color: var(--teal); box-shadow: 0 4px 16px rgba(0,0,0,0.2); position: relative; z-index: 1; }
.cta-section .btn-primary:hover { background: var(--off-white); transform: translateY(-2px); }

.footer { background: var(--navy-gradient); color: rgba(255,255,255,0.7); padding: 4rem 0 0; border-top: 1px solid rgba(255,255,255,0.03); position: relative; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.03); }
.footer-brand img {
    height: 52px; width: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(0, 180, 160, 0.3);
    padding: 2px;
    background: var(--navy-dark);
    margin-bottom: 1rem;
}
.footer-brand p { font-size: 0.95rem; line-height: 1.8; max-width: 300px; color: var(--gray-400); }
.footer h5 { color: var(--white); font-size: 1.1rem; margin-bottom: 1.25rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.5rem; }
.footer ul a { color: var(--gray-400); text-decoration: none; transition: var(--transition); font-size: 0.9rem; }
.footer ul a:hover { color: var(--teal); }
.footer-contact li { display: flex; align-items: center; gap: 0.75rem; color: var(--gray-400); font-size: 0.9rem; }
.footer-contact .icon { color: var(--teal); width: 20px; text-align: center; }
.footer-social { display: flex; gap: 1rem; margin-top: 1rem; }
.footer-social a { width: 40px; height: 40px; background: rgba(255,255,255,0.04); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); text-decoration: none; transition: var(--transition); border: 1px solid rgba(255,255,255,0.05); }
.footer-social a:hover { background: var(--teal-gradient); transform: translateY(-3px); border-color: transparent; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 1.5rem 0; font-size: 0.85rem; color: var(--gray-400); }
.footer-bottom-links { display: flex; gap: 2rem; }
.footer-bottom-links a { color: var(--gray-400); text-decoration: none; transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--teal); }

/* ===== VIDEO WORKFLOW CARD ===== */
.video-workflow {
    padding: 5rem 0;
    background: var(--navy-gradient);
    position: relative;
}
.video-workflow::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 60% 50%, rgba(0, 180, 160, 0.03), transparent 60%);
}
.video-card {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}
.video-card .video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--navy-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.5rem;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}
.video-card .video-placeholder:hover {
    background: rgba(0, 180, 160, 0.08);
}
.video-card .video-placeholder .play-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--teal-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 4px 30px rgba(0, 180, 160, 0.4);
    transition: var(--transition);
    position: relative;
}
.video-card .video-placeholder .play-btn::after {
    content: '';
    position: absolute;
    top: -8px; left: -8px; right: -8px; bottom: -8px;
    border-radius: 50%;
    border: 2px solid rgba(0, 180, 160, 0.2);
    animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}
.video-card .video-placeholder:hover .play-btn {
    transform: scale(1.1);
    box-shadow: 0 8px 40px rgba(0, 180, 160, 0.6);
}
.video-card .video-placeholder .video-label {
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: var(--font-primary);
}
.video-card .video-caption {
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.04);
    text-align: center;
}
.video-card .video-caption h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}
.video-card .video-caption p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .choose-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonial-carousel { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero h1 { font-size: 2.5rem; }
    .nav-links {
        position: fixed; top: 80px; left: 0; right: 0;
        background: var(--navy-gradient); flex-direction: column;
        padding: 2rem; gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%); transition: var(--transition);
        align-items: stretch;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .nav-links.open { transform: translateY(0); }
    .menu-toggle { display: flex; }
    .about-preview .grid { grid-template-columns: 1fr; gap: 2rem; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .choose-grid { grid-template-columns: 1fr; }
    .testimonial-carousel { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .hero-buttons { flex-direction: column; }
    .hero-buttons .btn-primary, .hero-buttons .btn-secondary { text-align: center; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .nav-links .dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        background: transparent; box-shadow: none; padding-left: 1rem;
        border: none; max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
    }
    .nav-links .dropdown:hover .dropdown-menu { max-height: 300px; }
    .nav-links .dropdown-menu a { padding: 0.5rem 0; }
    .hero-buttons .btn-primary, .hero-buttons .btn-secondary { text-align: center; width: 100%; }
}
@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .section-title h2 { font-size: 1.8rem; }
}