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

:root {
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-text: #1c1917;
    --color-text-muted: #57534e;
    --color-text-light: #a8a29e;
    --color-primary: #b45309;
    --color-primary-dark: #92400e;
    --color-primary-light: #fef3c7;
    --color-accent: #d97706;
    --color-border: #e7e5e4;
    --color-border-light: #f5f5f4;
    --color-dark: #1c1917;
    --color-dark-surface: #292524;

    --font-main: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
    --transition: 0.25s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 0.925rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(180, 83, 9, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-text);
    background: var(--color-text);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.3);
}

.btn-outline-light:hover {
    border-color: #fff;
    background: #fff;
    color: var(--color-primary-dark);
}

/* ===== NAVIGATION ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.35s ease;
    background: transparent;
}

#navbar.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
    padding: 0.65rem 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    border-radius: var(--radius-sm);
}

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

.logo-light {
    font-weight: 400;
    color: var(--color-text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 450;
    color: var(--color-text-muted);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-primary);
    transition: width var(--transition);
}

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

.nav-cta {
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.55rem 1.3rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
}

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

.mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, #fef3c7 0%, #fafaf9 35%, #fafaf9 65%, #fed7aa 100%);
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.hero-tag {
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

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

.hero-desc {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 0.85rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.15rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-border);
}

/* ===== SECTION COMMON ===== */
.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* ===== ABOUT ===== */
.about {
    padding: 6rem 0;
    background: var(--color-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
}

.about-text p {
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
    font-size: 0.975rem;
    line-height: 1.8;
}

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

.about-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: all var(--transition);
}

.info-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-sm);
}

.info-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.info-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.info-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* ===== SERVICES ===== */
.services {
    padding: 6rem 0;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.service-card {
    padding: 2rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.service-number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.65rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== PRODUCTS ===== */
.products {
    padding: 6rem 0;
    background: var(--color-surface);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.product-item {
    text-align: center;
    padding: 2.25rem 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: all var(--transition);
}

.product-item:hover {
    border-color: var(--color-primary);
    background: var(--color-surface);
    box-shadow: var(--shadow-md);
}

.product-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: 1.15rem;
}

.product-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.product-item p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section {
    padding: 4rem 0;
    background: var(--color-bg);
}

.cta-box {
    background: var(--color-dark);
    border-radius: var(--radius-xl);
    padding: 3.5rem;
    text-align: center;
}

.cta-box h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.cta-box p {
    color: #a8a29e;
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 0.85rem;
    flex-wrap: wrap;
}

/* ===== CONTACT ===== */
.contact {
    padding: 6rem 0;
    background: var(--color-surface);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.contact-item h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

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

.contact-item a:hover {
    color: var(--color-primary-dark);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    padding: 3.5rem 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-dark-surface);
}

.footer-brand .nav-logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand .logo-light {
    color: #a8a29e;
}

.footer-brand p {
    color: #78716c;
    font-size: 0.9rem;
    line-height: 1.65;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: #d6d3d1;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links li,
.footer-links a {
    font-size: 0.88rem;
    color: #78716c;
}

.footer-links a:hover {
    color: #d6d3d1;
}

.footer-bottom {
    padding: 1.5rem 0;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: #57534e;
    text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 700px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    /* Mobile Menu */
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        gap: 1rem;
        box-shadow: var(--shadow-lg);
    }

    .hero {
        min-height: auto;
        padding: 7rem 0 4rem;
    }

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

    .hero h1 {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.25rem;
    }

    .stat-divider {
        display: none;
    }

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

    .cta-box {
        padding: 2.5rem 1.5rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .about,
    .services,
    .products,
    .contact {
        padding: 4rem 0;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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