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

:root {
    --primary: #1a6b4a;
    --primary-dark: #0e3d2b;
    --accent: #2ecc71;
    --accent-hover: #27ae60;
    --text: #333;
    --text-light: #666;
    --bg: #ffffff;
    --bg-alt: #f5f7fa;
    --border: #e0e4e8;
    --white: #ffffff;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* === Navbar === */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--primary-dark);
    box-shadow: var(--shadow);
    transition: background var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

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

.nav-links a {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

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

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: #0a0f0d;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(26,107,74,0.35) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(46,204,113,0.12) 0%, transparent 50%),
        radial-gradient(ellipse 40% 40% at 50% 50%, rgba(14,61,43,0.5) 0%, transparent 70%);
}

/* Floating hexagon molecule shapes */
.hex {
    position: absolute;
    border: 1px solid rgba(46,204,113,0.15);
    border-radius: 4px;
    transform: rotate(45deg);
    animation: float 12s ease-in-out infinite;
}

.hex-1 { width: 120px; height: 120px; top: 12%; left: 8%; animation-delay: 0s; border-color: rgba(46,204,113,0.12); }
.hex-2 { width: 80px; height: 80px; top: 60%; right: 10%; animation-delay: -3s; border-color: rgba(46,204,113,0.1); }
.hex-3 { width: 200px; height: 200px; bottom: 10%; left: 15%; animation-delay: -6s; border-color: rgba(46,204,113,0.06); }
.hex-4 { width: 60px; height: 60px; top: 25%; right: 25%; animation-delay: -2s; border-color: rgba(46,204,113,0.18); }
.hex-5 { width: 140px; height: 140px; top: 50%; left: 60%; animation-delay: -8s; border-color: rgba(46,204,113,0.07); }

@keyframes float {
    0%, 100% { transform: rotate(45deg) translateY(0px); opacity: 1; }
    50% { transform: rotate(45deg) translateY(-30px); opacity: 0.6; }
}

/* Small glowing particles */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    animation: drift 18s linear infinite;
    opacity: 0;
}

.particle-1 { left: 10%; top: 30%; animation-delay: 0s; }
.particle-2 { left: 85%; top: 50%; animation-delay: -3s; }
.particle-3 { left: 40%; top: 70%; animation-delay: -7s; }
.particle-4 { left: 70%; top: 15%; animation-delay: -10s; }
.particle-5 { left: 25%; top: 85%; animation-delay: -14s; }
.particle-6 { left: 60%; top: 40%; animation-delay: -5s; }

@keyframes drift {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-120px) translateX(40px); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid rgba(46,204,113,0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 28px;
    background: rgba(46,204,113,0.06);
}

.hero h1 {
    font-size: 5.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 14px;
    margin-bottom: 12px;
    font-family: system-ui, sans-serif;
    line-height: 1.1;
}

.accent-text {
    background: linear-gradient(135deg, var(--accent), #1abc9c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.6);
    font-weight: 400;
    margin-bottom: 12px;
}

.hero-sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 36px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-stat-num {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.4);
    margin-top: 2px;
}

.hero-stat-divider {
    width: 1px;
    height: 32px;
    background: rgba(255,255,255,0.15);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(46,204,113,0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-secondary:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    text-align: center;
    padding: 16px;
    font-size: 1.05rem;
    border: none;
}

/* === Sections === */
.section {
    padding: 96px 24px;
}

.section-alt {
    background: var(--bg-alt);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.05rem;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === Catalog Grid === */
.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.catalog-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent);
    transition: all var(--transition);
}

.catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.catalog-card h3 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.catalog-card .card-category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 10px;
}

.catalog-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* === About === */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.7;
}

.about-highlights {
    display: flex;
    gap: 32px;
    margin-top: 28px;
}

.highlight {
    text-align: center;
}

.highlight-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.highlight-label {
    font-size: 0.85rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-values h3 {
    font-size: 1.4rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.about-values ul {
    list-style: none;
}

.about-values li {
    padding: 12px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-light);
    font-size: 0.98rem;
    line-height: 1.6;
    border-bottom: 1px solid var(--border);
}

.about-values li:last-child {
    border-bottom: none;
}

.about-values li::before {
    content: '\25C6';
    color: var(--accent);
    position: absolute;
    left: 0;
    top: 12px;
    font-size: 0.7rem;
}

/* === Sample Request Form === */
.sample-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(46,204,113,0.2);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 48px 24px;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #e8f5e9;
    color: #2e7d32;
    font-size: 2rem;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-light);
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-card {
    text-align: center;
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 24px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.contact-icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.contact-card h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-card a {
    color: var(--primary);
    transition: color var(--transition);
}

.contact-card a:hover {
    color: var(--accent);
}

/* === Footer === */
footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.7);
    padding: 48px 24px 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 3px;
}

.footer-brand p {
    font-size: 0.85rem;
    font-weight: 400;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

/* === Supplier Logos Carousel === */
.logos-section {
    background: var(--bg-alt);
    padding: 48px 0 40px;
    overflow: hidden;
}

.logos-label {
    text-align: center;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 28px;
}

.logos-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.logos-track {
    display: flex;
    align-items: center;
    gap: 64px;
    width: max-content;
    animation: scroll-logos 30s linear infinite;
}

.logos-track img {
    height: 50px;
    width: auto;
    opacity: 0.55;
    filter: grayscale(100%);
    transition: all var(--transition);
    flex-shrink: 0;
}

.logos-track img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.logos-carousel:hover .logos-track {
    animation-play-state: paused;
}

/* === Mobile Responsive === */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--primary-dark);
        flex-direction: column;
        padding: 16px 24px;
        gap: 0;
        box-shadow: var(--shadow-lg);
    }

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

    .nav-links li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links a {
        display: block;
        padding: 12px 0;
    }

    .hero h1 {
        font-size: 3rem;
        letter-spacing: 8px;
    }

    .tagline {
        font-size: 1.05rem;
    }

    .hero-badge {
        font-size: 0.7rem;
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stat-num {
        font-size: 1.3rem;
    }

    .hex { display: none; }

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

    .about-highlights {
        justify-content: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .sample-form {
        padding: 24px;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}