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

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

body {
    font-family: 'Assistant', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: #1a1b18;
    background: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ── Announcement Bar ── */
.announcement-bar {
    background: #1a1b18;
    color: #ffffff;
    text-align: center;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* ── Header ── */
.header {
    background: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 100%;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo img {
    height: 40px;
    width: auto;
}

.header-icons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #1a1b18;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #1a1b18;
    display: flex;
    align-items: center;
}

/* ── Mobile Nav ── */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 64px;
    border-bottom: 1px solid #e5e5e5;
}

.close-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #1a1b18;
    display: flex;
    align-items: center;
}

.mobile-nav-links {
    list-style: none;
    padding: 20px 0;
}

.mobile-nav-links li {
    border-bottom: 1px solid #f0f0f0;
}

.mobile-nav-links a {
    display: block;
    padding: 16px 24px;
    font-size: 1.1rem;
    font-weight: 400;
    color: #1a1b18;
    transition: background 0.2s;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    background: #f7f7f7;
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* ── Desktop Nav (hidden on mobile, shown on large screens) ── */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }

    .header-inner {
        position: relative;
    }

    .header-inner::after {
        content: '';
        display: none;
    }

    /* We'll add a desktop nav bar below the header */
}

/* ── Hero ── */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    max-height: 900px;
    min-height: 500px;
    overflow: hidden;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 40px;
    text-align: center;
    background: linear-gradient(to top, rgba(0,0,0,0.45) 0%, transparent 100%);
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    color: #ffffff;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: 12px 40px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-outline-white {
    border: 1px solid #ffffff;
    color: #ffffff;
    background: transparent;
}

.btn-outline-white:hover {
    background: #ffffff;
    color: #1a1b18;
}

.btn-outline-black {
    border: 1px solid #1a1b18;
    color: #1a1b18;
    background: transparent;
}

.btn-outline-black:hover {
    background: #1a1b18;
    color: #ffffff;
}

.btn-black {
    border: 1px solid #1a1b18;
    color: #ffffff;
    background: #1a1b18;
}

.btn-black:hover {
    background: #333;
    border-color: #333;
}

/* ── Section ── */
.section {
    padding: 60px 20px;
}

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

.section-narrow {
    max-width: 800px;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 400;
    color: #1a1b18;
    margin-bottom: 40px;
}

/* ── Products Grid ── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.product-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: #f7f7f7;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.product-card:hover .product-card-img img {
    opacity: 0.85;
}

.product-card-body {
    padding: 12px 0;
}

.product-card-body h3 {
    font-size: 1rem;
    font-weight: 400;
    color: #1a1b18;
    margin-bottom: 4px;
}

.product-price {
    font-size: 0.95rem;
    font-weight: 400;
    color: #1a1b18;
}

/* ── Corporate ── */
.corporate {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.corporate-bg {
    position: absolute;
    inset: 0;
}

.corporate-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.corporate-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 600px;
    padding: 80px 40px;
    color: #ffffff;
    background: linear-gradient(to right, rgba(0,0,0,0.5) 0%, transparent 100%);
}

.corporate-content h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 16px;
}

.corporate-content p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 24px;
    opacity: 0.9;
}

.corporate-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ── Contact Form ── */
.contact-form {
    max-width: 100%;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #1a1b18;
    font-family: inherit;
    font-size: 1rem;
    color: #1a1b18;
    background: #ffffff;
    transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
    font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a1b18;
    box-shadow: 0 0 0 1px #1a1b18;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ── Page Header (for subpages) ── */
.page-header {
    padding: 40px 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.page-header h1 {
    font-size: 2.2rem;
    font-weight: 400;
    color: #1a1b18;
    margin-bottom: 24px;
}

.page-description {
    max-width: 700px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #1a1b18;
    margin-bottom: 40px;
    text-align: justify;
}

.page-description strong {
    font-weight: 700;
}

/* ── Footer ── */
.footer {
    background: #1a1b18;
    color: #ffffff;
    padding: 40px 20px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-app-text {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.app-badges {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.app-badges a img {
    height: 44px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #ffffff;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .hero {
        height: 80vh;
    }

    .hero-content {
        padding: 40px 20px;
    }

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

    .corporate-content {
        max-width: 100%;
        padding: 40px 20px;
        background: rgba(0,0,0,0.5);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .page-header h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-buttons .btn {
        padding: 10px 28px;
        font-size: 0.85rem;
    }
}