/* ========================================
   Divergents Leadership School - Landing Page
   Premium Design
   ======================================== */

/* ---- Base ---- */
.landing-page {
    font-family: 'Roboto', sans-serif;
    color: #ecf0f1;
    line-height: 1.6;
    overflow-x: hidden;
    background: linear-gradient(135deg, #1a252f, #2c3e50, #1e3044);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.landing-page *,
.landing-page *::before,
.landing-page *::after {
    box-sizing: border-box;
}

/* ---- Navbar ---- */
.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 14px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    backdrop-filter: blur(0px);
    transition: background 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}

.landing-nav.scrolled {
    background: rgba(26, 37, 47, 0.92);
    backdrop-filter: blur(24px);
    box-shadow: 0 1px 0 rgba(201, 162, 39, 0.08);
    padding: 10px 48px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
}

.nav-logo-badge {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    padding: 5px 12px;
    border: 2px solid #c9a227;
    border-radius: 6px;
    background: linear-gradient(135deg, #c9a227, #f4d03f, #c9a227);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-text {
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c9a227;
    transition: width 0.3s;
}

.nav-links a:hover {
    color: #c9a227;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 28px !important;
    background: linear-gradient(135deg, #c9a227, #d4a82a);
    border: none;
    border-radius: 6px;
    color: #0e1525 !important;
    font-weight: 700 !important;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    letter-spacing: 1.5px !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 162, 39, 0.3);
    color: #0e1525 !important;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #ecf0f1;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
}

/* ---- Hero Section ---- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 40px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg,
            rgba(14, 21, 37, 0.6) 0%,
            rgba(14, 21, 37, 0.15) 25%,
            rgba(14, 21, 37, 0.15) 50%,
            rgba(14, 21, 37, 0.4) 75%,
            rgba(14, 21, 37, 1) 100%),
        linear-gradient(90deg,
            rgba(14, 21, 37, 0.3) 0%,
            transparent 30%,
            transparent 70%,
            rgba(14, 21, 37, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 28px;
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: 50px;
    font-family: 'Oswald', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: rgba(201, 162, 39, 0.9);
    margin-bottom: 28px;
    background: rgba(201, 162, 39, 0.06);
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 6px;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #f5d742 0%, #ffe066 30%, #fff7a0 50%, #ffe066 70%, #f5d742 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 12px rgba(245, 215, 66, 0.5));
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.8;
    font-weight: 300;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-bottom: 48px;
}

.hero-stat {
    text-align: center;
    position: relative;
}

.hero-stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -32px;
    top: 10%;
    height: 80%;
    width: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.hero-stat-value {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 6px;
}

.hero-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-family: 'Oswald', sans-serif;
    animation: heroFloat 2.5s ease-in-out infinite;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.5), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollLine {
    0% { opacity: 1; height: 40px; }
    50% { opacity: 0.3; height: 20px; }
    100% { opacity: 1; height: 40px; }
}

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #c9a227, #d4a82a);
    border: none;
    border-radius: 8px;
    color: #0e1525;
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    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;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(201, 162, 39, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.85);
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(201, 162, 39, 0.3);
    color: #c9a227;
    transform: translateY(-3px);
}

/* ---- Section Common ---- */
.landing-section {
    padding: 120px 48px;
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.section-label {
    display: inline-block;
    font-family: 'Oswald', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: #c9a227;
    margin-bottom: 16px;
    position: relative;
    padding-left: 48px;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 36px;
    height: 1px;
    background: #c9a227;
}

.section-center .section-label {
    padding-left: 0;
}

.section-center .section-label::before {
    display: none;
}

.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 20px;
    color: #fff;
    line-height: 1.15;
}

.section-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.45);
    max-width: 650px;
    line-height: 1.8;
    font-weight: 300;
}

.section-center {
    text-align: center;
}

.section-center .section-desc {
    margin: 0 auto 56px;
}

/* ---- Section Divider (gold line) ---- */
.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #c9a227, transparent);
    margin: 0 auto 48px;
}

/* ---- About Section ---- */
.about-section {
    background:
        radial-gradient(ellipse at 15% 50%, rgba(201, 162, 39, 0.08) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 80%, rgba(52, 152, 219, 0.04) 0%, transparent 40%),
        rgba(0, 0, 0, 0.15);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    border: 1px solid rgba(201, 162, 39, 0.15);
    pointer-events: none;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 36px;
}

.about-feature {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 16px;
    border-radius: 12px;
    transition: background 0.3s;
}

.about-feature:hover {
    background: rgba(255, 255, 255, 0.02);
}

.about-feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 162, 39, 0.06);
    border: 1px solid rgba(201, 162, 39, 0.12);
    border-radius: 12px;
    font-size: 1.3rem;
    transition: all 0.3s;
}

.about-feature:hover .about-feature-icon {
    background: rgba(201, 162, 39, 0.12);
    border-color: rgba(201, 162, 39, 0.25);
    transform: scale(1.05);
}

.about-feature h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
    color: #fff;
}

.about-feature p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.5;
}

/* ---- DSS System Section ---- */
.dss-section {
    background:
        radial-gradient(ellipse at 80% 20%, rgba(201, 162, 39, 0.07) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 80%, rgba(155, 89, 182, 0.04) 0%, transparent 40%),
        rgba(0, 0, 0, 0.1);
}

.dss-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.dss-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 20px;
    padding: 40px 32px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
    will-change: transform;
}

/* Accent top bar — always visible */
.dss-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent 5%, var(--card-accent) 50%, transparent 95%);
    opacity: 0.6;
    transition: opacity 0.3s, height 0.3s;
}

/* Glow overlay on hover */
.dss-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background: radial-gradient(circle at 50% 0%, var(--card-accent), transparent 55%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.dss-card:hover {
    transform: translateY(-6px);
    border-color: var(--card-accent);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.06);
}

.dss-card:hover::before {
    opacity: 1;
    height: 4px;
}

.dss-card:hover::after {
    opacity: 0.06;
}

.dss-card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    font-size: 1.6rem;
    margin-bottom: 24px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 12%, transparent), color-mix(in srgb, var(--card-accent) 4%, transparent));
    border: 1px solid color-mix(in srgb, var(--card-accent) 20%, transparent);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 16px color-mix(in srgb, var(--card-accent) 10%, transparent);
}

.dss-card:hover .dss-card-icon {
    transform: scale(1.08);
    box-shadow: 0 6px 24px color-mix(in srgb, var(--card-accent) 20%, transparent);
    background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 18%, transparent), color-mix(in srgb, var(--card-accent) 8%, transparent));
}

.dss-card h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 14px;
    color: #fff;
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}

.dss-card:hover h3 {
    color: color-mix(in srgb, var(--card-accent) 60%, white);
}

.dss-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.42);
    line-height: 1.75;
    position: relative;
    z-index: 1;
    transition: color 0.3s;
}

.dss-card:hover p {
    color: rgba(255, 255, 255, 0.55);
}

/* DSS card accent colors */
.dss-card.academic { --card-accent: #3498db; }
.dss-card.sport { --card-accent: #27ae60; }
.dss-card.behavior { --card-accent: #e67e22; }
.dss-card.leadership { --card-accent: #9b59b6; }
.dss-card.career { --card-accent: #1abc9c; }
.dss-card.reading { --card-accent: #e74c3c; }

/* ---- Photo Gallery Section ---- */
.gallery-section {
    background:
        radial-gradient(ellipse at 50% 30%, rgba(201, 162, 39, 0.06) 0%, transparent 45%),
        radial-gradient(ellipse at 10% 70%, rgba(39, 174, 96, 0.03) 0%, transparent 40%),
        rgba(0, 0, 0, 0.15);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    padding: 4px;
    display: inline-flex;
}

.section-center .gallery-tabs {
    display: flex;
    justify-content: center;
}

.gallery-tab {
    padding: 12px 28px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Oswald', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.3s;
}

.gallery-tab:hover {
    color: rgba(255, 255, 255, 0.7);
}

.gallery-tab.active {
    background: rgba(201, 162, 39, 0.12);
    color: #c9a227;
}

.gallery-item {
    aspect-ratio: 4/3;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(14, 21, 37, 0.5) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.08);
    font-size: 2rem;
}

.gallery-panel {
    display: none;
}

.gallery-panel.active {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ---- Testimonials Section (Marquee) ---- */
.testimonials-section {
    background:
        radial-gradient(ellipse at 70% 40%, rgba(201, 162, 39, 0.05) 0%, transparent 45%),
        rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.testimonials-marquee {
    position: relative;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(201, 162, 39, 0.3) transparent;
    mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    padding-bottom: 8px;
}

.testimonials-marquee:active {
    cursor: grabbing;
}

.testimonials-marquee::-webkit-scrollbar {
    height: 6px;
}

.testimonials-marquee::-webkit-scrollbar-track {
    background: transparent;
}

.testimonials-marquee::-webkit-scrollbar-thumb {
    background: rgba(201, 162, 39, 0.3);
    border-radius: 3px;
}

.testimonials-track {
    display: flex;
    gap: 24px;
    width: max-content;
    padding: 0 40px;
}

.testimonial-card {
    flex-shrink: 0;
    width: 420px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 16px;
    padding: 32px;
    position: relative;
    transition: all 0.3s;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(201, 162, 39, 0.12);
}

.testimonial-quote {
    font-family: 'Oswald', sans-serif;
    font-size: 3.5rem;
    line-height: 1;
    color: rgba(201, 162, 39, 0.2);
    margin-bottom: -12px;
}

.testimonial-text {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 300;
}

.testimonial-card:hover .testimonial-text {
    -webkit-line-clamp: unset;
    color: rgba(255, 255, 255, 0.6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.testimonial-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 162, 39, 0.06);
    border: 1px solid rgba(201, 162, 39, 0.12);
    border-radius: 50%;
    font-size: 1.1rem;
}

.testimonial-name {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
}

.testimonial-role {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ---- CTA Section ---- */
.cta-section {
    padding: 140px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(201, 162, 39, 0.04) 0%, transparent 60%),
        rgba(0, 0, 0, 0.15);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(180deg, rgba(201, 162, 39, 0.3), transparent);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1.05rem;
    margin-bottom: 44px;
    line-height: 1.8;
    font-weight: 300;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ---- Footer ---- */
.landing-footer {
    padding: 40px 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.landing-footer p {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
    margin-bottom: 6px;
}

.landing-footer a {
    color: rgba(201, 162, 39, 0.6);
    text-decoration: none;
    transition: color 0.3s;
}

.landing-footer a:hover {
    color: #c9a227;
}

/* ---- Lightbox ---- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(14, 21, 37, 0.97);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: color 0.3s;
    background: none;
    border: none;
}

.lightbox-close:hover {
    color: #c9a227;
}

/* ---- Scroll animations ---- */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    will-change: opacity, transform;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delay for DSS cards */
.dss-card:nth-child(1) { transition-delay: 0s; }
.dss-card:nth-child(2) { transition-delay: 0.05s; }
.dss-card:nth-child(3) { transition-delay: 0.1s; }
.dss-card:nth-child(4) { transition-delay: 0.15s; }
.dss-card:nth-child(5) { transition-delay: 0.2s; }
.dss-card:nth-child(6) { transition-delay: 0.25s; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .dss-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: 48px;
    }

    .landing-section {
        padding: 80px 32px;
    }
}

@media (max-width: 768px) {
    .landing-nav {
        padding: 12px 16px;
    }

    .landing-nav.scrolled {
        padding: 10px 16px;
    }

    .nav-logo-badge {
        font-size: 0.7rem;
        padding: 6px 10px;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(26, 37, 47, 0.98);
        backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 20px 16px;
        gap: 4px;
        border-bottom: 1px solid rgba(201, 162, 39, 0.1);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li a {
        display: block;
        padding: 14px 16px;
        border-radius: 10px;
        transition: background 0.2s;
        font-size: 0.9rem;
    }

    .nav-links li a:hover,
    .nav-links li a:active {
        background: rgba(201, 162, 39, 0.08);
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        -webkit-tap-highlight-color: transparent;
    }

    .hero {
        padding: 0 16px;
        min-height: 100svh;
    }

    .hero-badge {
        padding: 6px 20px;
        font-size: 0.65rem;
        letter-spacing: 3px;
        margin-bottom: 20px;
    }

    .hero h1 {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
        letter-spacing: 3px;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin: 0 auto 32px;
        line-height: 1.7;
        padding: 0 8px;
    }

    .hero-stats {
        gap: 24px;
        margin-bottom: 32px;
    }

    .hero-stat-value {
        font-size: 2rem;
    }

    .hero-stat-label {
        font-size: 0.65rem;
        letter-spacing: 1.5px;
    }

    .hero-stat:not(:last-child)::after {
        right: -12px;
    }

    .hero-actions {
        gap: 12px;
    }

    .hero-scroll {
        bottom: 20px;
    }

    .btn-primary {
        padding: 14px 28px;
        font-size: 0.85rem;
        letter-spacing: 2px;
        border-radius: 10px;
    }

    .btn-secondary {
        padding: 14px 28px;
        font-size: 0.85rem;
        letter-spacing: 2px;
        border-radius: 10px;
    }

    .landing-section {
        padding: 56px 16px;
    }

    .section-label {
        padding-left: 0;
        font-size: 0.7rem;
        letter-spacing: 4px;
    }

    .section-label::before {
        display: none;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
        letter-spacing: 2px;
        margin-bottom: 14px;
    }

    .section-desc {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .section-divider {
        margin: 0 auto 32px;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-image {
        aspect-ratio: 16/10;
        border-radius: 12px;
    }

    .about-features {
        gap: 12px;
        margin-top: 24px;
    }

    .about-feature {
        padding: 14px;
        border-radius: 10px;
        gap: 14px;
        background: rgba(255, 255, 255, 0.02);
    }

    .about-feature-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
        border-radius: 10px;
    }

    .about-feature h4 {
        font-size: 0.85rem;
    }

    .about-feature p {
        font-size: 0.8rem;
    }

    /* DSS */
    .dss-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .dss-card {
        padding: 28px 22px;
        border-radius: 16px;
    }

    .dss-card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 18px;
        border-radius: 14px;
    }

    .dss-card h3 {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .dss-card p {
        font-size: 0.84rem;
        line-height: 1.65;
    }

    /* Gallery */
    .gallery-tabs {
        margin-bottom: 24px;
        gap: 0;
    }

    .gallery-tab {
        padding: 10px 16px;
        font-size: 0.72rem;
        letter-spacing: 1px;
    }

    .gallery-panel.active {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .gallery-item {
        border-radius: 8px;
    }

    /* Testimonials */
    .testimonial-card {
        width: 280px;
        padding: 20px;
        border-radius: 12px;
    }

    .testimonial-quote {
        font-size: 2.5rem;
        margin-bottom: -8px;
    }

    .testimonial-text {
        font-size: 0.82rem;
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .testimonial-name {
        font-size: 0.82rem;
    }

    .testimonial-avatar {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }

    /* CTA */
    .cta-section {
        padding: 64px 16px;
    }

    .cta-content h2 {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
        letter-spacing: 2px;
    }

    .cta-content p {
        font-size: 0.9rem;
        margin-bottom: 32px;
    }

    .cta-buttons {
        gap: 12px;
    }

    /* Footer */
    .landing-footer {
        padding: 28px 16px;
    }

    .landing-footer p {
        font-size: 0.78rem;
    }

    .nav-logo-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        padding: 0 8px;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-buttons .btn-primary,
    .cta-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 12px;
        padding: 16px 12px;
        margin-bottom: 28px;
    }

    .hero-stat {
        flex: 1;
        min-width: 33%;
    }

    .hero-stat:not(:last-child)::after {
        display: none;
    }

    .hero-stat-value {
        font-size: 1.8rem;
    }

    .hero-stat-label {
        font-size: 0.6rem;
    }

    .hero h1 {
        font-size: clamp(2rem, 9vw, 3rem);
        letter-spacing: 2px;
    }

    .hero-badge {
        font-size: 0.6rem;
        padding: 5px 16px;
        letter-spacing: 2.5px;
    }

    .hero-subtitle {
        font-size: 0.88rem;
    }

    .gallery-panel.active {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .gallery-item {
        border-radius: 6px;
    }

    .testimonial-card {
        width: 260px;
        padding: 16px;
    }

    .dss-grid {
        gap: 10px;
    }

    .about-grid {
        gap: 24px;
    }

    .section-center .section-desc {
        margin: 0 auto 32px;
    }
}

/* ---- Reduced motion preference ---- */
@media (prefers-reduced-motion: reduce) {
    .fade-up {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-scroll,
    .hero-scroll-line {
        animation: none;
    }

    .dss-card,
    .gallery-item,
    .gallery-item img,
    .about-image img,
    .btn-primary,
    .btn-secondary {
        transition-duration: 0.1s;
    }
}

/* ---- Touch device optimization ---- */
@media (hover: none) and (pointer: coarse) {
    .dss-card:hover {
        transform: none;
    }

    .gallery-item:hover {
        transform: none;
    }

    .gallery-item:hover img {
        transform: none;
    }

    .btn-primary:hover {
        transform: none;
    }

    .btn-secondary:hover {
        transform: none;
    }

    .about-image:hover img {
        transform: none;
    }

    .btn-primary:active {
        transform: scale(0.97);
        opacity: 0.9;
    }

    .btn-secondary:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
}