@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
    --gold: #d4a853;
    --gold-light: #f0d68a;
    --gold-dark: #b8860b;
    --red: #c0392b;
    --red-light: #e74c3c;
    --bg-dark: #0a0a0f;
    --bg-card: #151520;
    --bg-card-hover: #1e1e30;
    --text-primary: #f0e6d3;
    --text-secondary: #a8987a;
    --border-gold: rgba(212, 168, 83, 0.3);
    --shadow-gold: 0 0 30px rgba(212, 168, 83, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: 3px; }

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 2rem;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    height: 60px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212, 168, 83, 0.2);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-logo img {
    height: 42px;
    border-radius: 10px;
    transition: height 0.3s;
}

.navbar.scrolled .nav-logo img { height: 36px; }

.nav-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: #1a1a1a !important;
    border-radius: 25px;
    font-weight: 700 !important;
    letter-spacing: 1px;
    transition: all 0.3s !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 168, 83, 0.4);
}

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

/* Mobile menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--gold);
    transition: 0.3s;
    border-radius: 2px;
}

.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 Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 2rem 4rem;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    filter: brightness(0.6);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,10,15,0.3) 0%, rgba(10,10,15,0.7) 60%, var(--bg-dark) 100%);
    z-index: 1;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 50%;
    animation: floatUp 6s linear infinite;
    opacity: 0;
}

@keyframes floatUp {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.5rem;
    background: rgba(212, 168, 83, 0.15);
    border: 1px solid var(--border-gold);
    border-radius: 30px;
    color: var(--gold);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-info {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-info-item {
    text-align: center;
}

.hero-info-item .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-info-item .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-top: 0.2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #c0392b, #e74c3c);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 30px rgba(231, 76, 60, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(231, 76, 60, 0.6);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(212, 168, 83, 0.1);
    transform: translateY(-3px);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Hero QR Tooltip */
.btn-qr-wrapper {
    position: relative;
    display: inline-flex;
}

.qr-tooltip {
    position: absolute;
    bottom: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 100;
}

.qr-tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.qr-tooltip-inner {
    background: rgba(21, 21, 32, 0.98);
    border: 1px solid var(--border-gold);
    border-radius: 16px;
    padding: 1.2rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(212, 168, 83, 0.15);
    backdrop-filter: blur(20px);
}

.qr-tooltip-inner canvas,
.qr-tooltip-inner img {
    display: block;
    width: 160px;
    height: 160px;
    border-radius: 8px;
    background: #fff;
    padding: 6px;
}

.qr-tooltip-inner p {
    margin-top: 0.6rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Arrow */
.qr-tooltip::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--border-gold);
}

/* ===== Download QR Section ===== */
.download-qr-section {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.download-qr-card {
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    display: inline-block;
    box-shadow: 0 0 40px rgba(212, 168, 83, 0.1);
}

.download-qr-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.download-qr-card canvas,
.download-qr-card img {
    display: block;
    width: 180px;
    height: 180px;
    border-radius: 10px;
    background: #fff;
    padding: 8px;
    margin: 0 auto;
}

.download-qr-tip {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Sections Common ===== */
.section {
    padding: 6rem 2rem;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.section-title .hl { color: var(--gold); }

.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

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

/* ===== About Section ===== */
.about-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d18 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-gold);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    transition: transform 0.5s;
}

.about-image:hover img { transform: scale(1.05); }

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--border-gold);
    border-radius: 20px;
    pointer-events: none;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(212, 168, 83, 0.15);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.stat-card .stat-num {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* ===== Features Section ===== */
.features-section {
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--border-gold);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.2), rgba(212, 168, 83, 0.05));
    border: 1px solid var(--border-gold);
}

.feature-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Benefits Section ===== */
.benefits-section {
    background: linear-gradient(180deg, #0d0d18 0%, var(--bg-dark) 100%);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.benefit-item:hover {
    border-color: var(--border-gold);
    transform: translateX(5px);
    box-shadow: var(--shadow-gold);
}

.benefit-badge {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--red), #c0392b);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    color: #fff;
}

.benefit-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--gold);
}

.benefit-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Strategy Section ===== */
.strategy-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d18 100%);
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.2rem;
}

.strategy-card {
    display: block;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.strategy-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
    background: var(--bg-card-hover);
}

.strategy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.strategy-card:hover::before { opacity: 1; }

.strategy-num {
    font-size: 2rem;
    font-weight: 900;
    color: rgba(212, 168, 83, 0.2);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.strategy-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.strategy-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.strategy-card:hover .strategy-num {
    color: var(--gold);
}

/* ===== Gallery ===== */
.gallery-section {
    background: var(--bg-dark);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16/9;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.gallery-item:hover {
    border-color: var(--gold);
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img { transform: scale(1.1); }

.gallery-item .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 2rem;
    color: #fff;
}

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

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox.active { display: flex; }

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: 12px;
    border: 2px solid var(--border-gold);
    box-shadow: 0 0 60px rgba(212, 168, 83, 0.2);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    z-index: 2001;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.lightbox-close:hover {
    background: rgba(231, 76, 60, 0.8);
    border-color: transparent;
}

/* ===== Video Section ===== */
.video-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0d18 100%);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.video-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.video-card:hover {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.video-card video {
    width: 100%;
    display: block;
    border-radius: 20px 20px 0 0;
}

.video-info {
    padding: 1.2rem 1.5rem;
}

.video-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gold);
}

.video-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.3rem;
}

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    padding: 6rem 2rem;
    background: linear-gradient(180deg, #0d0d18 0%, var(--bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Friendly Links Bar ===== */
.links-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.3rem 1.2rem;
    padding: 1.5rem 2rem;
    background: #08080f;
    border-top: 1px solid rgba(212, 168, 83, 0.08);
    border-bottom: 1px solid rgba(212, 168, 83, 0.08);
}

.links-title {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
}

.links-bar a {
    color: rgba(168, 152, 122, 0.6);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
    white-space: nowrap;
}

.links-bar a:hover {
    color: var(--gold);
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 3rem 2rem;
    background: #08080f;
    border-top: 1px solid rgba(212, 168, 83, 0.1);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--gold);
    margin-bottom: 1rem;
    letter-spacing: 4px;
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.footer .copyright {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: rgba(168, 152, 122, 0.6);
}

/* ===== Scroll to top ===== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #1a1a1a;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: 0 5px 20px rgba(212, 168, 83, 0.3);
}

.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.5);
}

/* ===== Animations ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image { max-width: 500px; margin: 0 auto; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .video-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .navbar { padding: 0 1.25rem; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: rgba(15, 15, 25, 0.98);
        backdrop-filter: blur(30px);
        padding: 100px 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-gold);
    }

    .nav-links.active { right: 0; }

    .menu-toggle { display: flex; }

    .section { padding: 4rem 1.25rem; }

    .hero-info { gap: 1.5rem; }

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

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

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

    .benefit-item {
        padding: 1.2rem 1.5rem;
        gap: 1rem;
    }

    .benefit-badge {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .stat-card { padding: 1rem; }

    .stat-card .stat-num { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary,
    .hero-buttons .btn-qr-wrapper { width: 100%; justify-content: center; }
    .hero-buttons .btn-qr-wrapper .btn-primary { width: 100%; }

    .about-stats {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.5rem;
    }

    .stat-card .stat-num { font-size: 1.3rem; }
    .stat-card .stat-label { font-size: 0.7rem; }

    .cta-buttons { flex-direction: column; align-items: center; }
    .cta-buttons .btn-primary,
    .cta-buttons .btn-secondary { width: 100%; justify-content: center; }

    .features-grid { grid-template-columns: 1fr; }
    .strategy-grid { grid-template-columns: 1fr; }

    .btn-qr-wrapper { display: flex; }
    .qr-tooltip { display: none; }
}