/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #1a3a5c;
    --color-primary-dark: #0f2640;
    --color-primary-light: #2a5a8c;
    --color-accent: #c8a45a;
    --color-accent-light: #dfc07a;
    --color-bg: #ffffff;
    --color-bg-alt: #f5f3ef;
    --color-bg-dark: #101820;
    --color-text: #2c2c2c;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-border: #e5e2dc;
    --color-white: #ffffff;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
    background: transparent;
}

.header-scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-white);
    transition: var(--transition);
}

.header-scrolled .logo-text {
    color: var(--color-primary);
}

.logo-sub {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.header-scrolled .logo-sub {
    color: var(--color-text-muted);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: var(--color-white);
}

.header-scrolled .nav-link {
    color: var(--color-text-light);
}

.header-scrolled .nav-link:hover {
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

.header-scrolled .menu-toggle span {
    background: var(--color-primary);
}

.menu-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-open span:nth-child(2) {
    opacity: 0;
}

.menu-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('https://drive.google.com/thumbnail?id=1FBj0QJaHhynT3FROfUJw-hLdEYvUNrit&sz=w1920') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(15, 38, 64, 0.88) 0%,
            rgba(26, 58, 92, 0.75) 50%,
            rgba(15, 38, 64, 0.65) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 120px 0 80px;
}

.hero-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero-accent {
    color: var(--color-accent);
}

.hero-desc {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    max-width: 520px;
    margin-bottom: 40px;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(200, 164, 90, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.btn-lg {
    padding: 18px 44px;
    font-size: 15px;
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 56px;
}

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

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.section-desc {
    font-size: 16px;
    color: var(--color-text-light);
    margin-top: 16px;
    max-width: 600px;
}

.section-header-center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ===== ABOUT ===== */
.about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 64px;
}

.about-text p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-text strong {
    color: var(--color-primary);
}

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

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

.about-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

/* Stats */
.stats-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 48px 40px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--color-border);
}

/* ===== QUALITY ===== */
.quality {
    background: var(--color-primary);
    padding: 64px 0;
}

.quality-inner {
    display: flex;
    align-items: flex-start;
    gap: 32px;
}

.quality-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(200, 164, 90, 0.15);
    color: var(--color-accent);
}

.quality-text h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.quality-text p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.75);
}

.quality-text strong {
    color: var(--color-accent);
}

/* ===== PRODUCTS ===== */
.products {
    background: var(--color-bg-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--color-white);
    padding: 40px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all 0.4s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-accent);
}

.product-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.product-desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ===== GALLERY ===== */
.gallery {
    background: var(--color-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 280px;
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item iframe {
    width: 100%;
    height: 100%;
    border: none;
}

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

.gallery-item-video {
    cursor: default;
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px 20px 16px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    z-index: 2;
}

.gallery-item-large {
    grid-column: span 2;
    height: 360px;
}

.gallery-item-wide {
    grid-column: span 2;
    height: 320px;
}

.gallery-item-video {
    grid-column: span 2;
    height: 360px;
    cursor: pointer;
}

.gallery-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
    backdrop-filter: blur(4px);
}

.gallery-play-btn:hover {
    background: rgba(200, 164, 90, 0.7);
    border-color: var(--color-accent);
    transform: translate(-50%, -50%) scale(1.1);
}

.gallery-play-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ===== LOGISTICS ===== */
.logistics {
    background: var(--color-bg-alt);
}

.logistics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.logistics-text .section-title {
    margin-bottom: 24px;
}

.logistics-text p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.logistics-cities {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-border);
}

.logistics-cities-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.cities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.city-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
}

.city-item:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.city-item:hover .city-icon {
    color: var(--color-accent);
}

.city-icon {
    color: var(--color-primary-light);
    flex-shrink: 0;
    transition: var(--transition);
}

/* ===== SAFETY ===== */
.safety {
    background: var(--color-bg);
}

.safety-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.safety-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: all 0.3s ease;
}

.safety-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.safety-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--color-bg-alt);
    color: var(--color-primary);
    margin-bottom: 20px;
}

.safety-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.safety-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
}

/* ===== CTA ===== */
.cta {
    background: var(--color-primary);
    padding: 80px 0;
}

.cta-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-family: var(--font-heading);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-inner p {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
}

/* ===== CONTACT ===== */
.contact {
    background: var(--color-bg-alt);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 32px;
    max-width: 1040px;
    margin: 0 auto;
    align-items: stretch;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-card {
    text-align: left;
    padding: 32px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.contact-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.contact-icon {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-accent);
}

.contact-card-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contact-link {
    display: block;
    font-size: 15px;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: 6px;
    transition: var(--transition);
}

.contact-link:last-child {
    margin-bottom: 0;
}

.contact-link:hover {
    color: var(--color-primary);
}

.contact-address {
    font-size: 15px;
    color: var(--color-text-light);
    font-weight: 500;
    line-height: 1.7;
}

.contact-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    min-height: 350px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

@media (max-width: 900px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .contact-map {
        height: 400px;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-dark);
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-white);
}

.footer-tagline {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    margin-top: 4px;
}

.footer-brand {
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        background: var(--color-primary-dark);
        gap: 24px;
        padding: 32px;
        transition: right 0.4s ease;
    }

    .nav-open {
        right: 0;
    }

    .nav-link {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.85) !important;
    }

    .hero-content {
        padding: 140px 0 60px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 280px;
    }

    .stats-row {
        flex-wrap: wrap;
        gap: 24px;
        padding: 32px 24px;
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        width: calc(50% - 12px);
    }

    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

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

    .gallery-item-large,
    .gallery-item-wide,
    .gallery-item-video {
        grid-column: span 2;
    }

    .gallery-item {
        height: 220px;
    }

    .gallery-item-large,
    .gallery-item-video {
        height: 280px;
    }

    .gallery-item img,
    .gallery-item video,
    .gallery-item iframe {
        height: 100%;
    }

    .logistics-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 64px 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
    }

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

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

    .gallery-item-large,
    .gallery-item-wide,
    .gallery-item-video {
        grid-column: span 1;
    }

    .gallery-item {
        height: 200px;
    }

    .gallery-item-large,
    .gallery-item-video {
        height: 240px;
    }

    .safety-content {
        grid-template-columns: 1fr;
    }

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

    .quality-inner {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }
}