/* ─── Variables ─── */
:root {
    --bg-dark: #070707;
    --bg-darker: #020202;
    --text-primary: #f5f5f5;
    --text-secondary: #a8a8a8;
    --silver-light: #e6e6e6;
    --silver-mid: #bfbfbf;
    --silver-dark: #7a7a7a;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --nav-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Background ─── */
.bg-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, #151515 0%, var(--bg-darker) 100%);
    z-index: -2;
}

.bg-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
}

.glow-effect {
    position: fixed;
    width: 50vw;
    height: 50vw;
    max-width: 800px;
    max-height: 800px;
    background: radial-gradient(circle, rgba(160, 160, 160, 0.04) 0%, transparent 60%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: top 0.4s cubic-bezier(0.1, 1, 0.1, 1), left 0.4s cubic-bezier(0.1, 1, 0.1, 1);
}

/* ─── Navigation ─── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    z-index: 100;
    transition: background 0.3s ease, border-bottom 0.3s ease;
}

.nav.scrolled {
    background: rgba(7, 7, 7, 0.92);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-logo {
    font-family: 'Playfair Display SC', serif;
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    text-decoration: none;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 20%, #999999 50%, #d1d1d1 75%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 8s linear infinite;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--silver-dark);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

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

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

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--silver-mid);
    transition: all 0.3s ease;
}

/* ─── Hero ─── */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--nav-height) 2rem 0;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
    animation: fadeUpIn 1.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.hero-eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--silver-dark);
    font-weight: 400;
}

.brand-name {
    font-family: 'Playfair Display SC', serif;
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-left: 0.18em;
    line-height: 1;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 20%, #999999 50%, #d1d1d1 75%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 8s linear infinite;
}

.hero-tagline {
    font-family: 'Playfair Display SC', serif;
    font-size: clamp(0.8rem, 2vw, 1rem);
    letter-spacing: 0.4em;
    color: var(--silver-mid);
    font-weight: 400;
    text-transform: uppercase;
}

/* ─── Buttons ─── */
.btn-primary {
    margin-top: 0.8rem;
    display: inline-block;
    padding: 0.9rem 2.4rem;
    background: linear-gradient(135deg, #e6e6e6 0%, #a6a6a6 100%);
    color: var(--bg-darker);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ffffff 0%, #bfbfbf 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 200, 200, 0.12);
}

.btn-outline {
    display: inline-block;
    padding: 0.85rem 2.2rem;
    border: 1px solid var(--glass-border);
    color: var(--silver-mid);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.25);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

/* ─── Shared Section Styles ─── */
.section {
    padding: 6rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-eyebrow {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--silver-dark);
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: 'Playfair Display SC', serif;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--text-primary);
}

.section-sub {
    margin-top: 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--silver-dark);
    text-transform: uppercase;
}

.body-text {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.9;
    font-weight: 300;
    max-width: 480px;
    margin-bottom: 1rem;
}

/* ─── Collections / Products ─── */
.collections-section {
    padding-top: 7rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    cursor: pointer;
}

.product-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: #111;
    margin-bottom: 1rem;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #141414 0%, #1c1c1c 50%, #111111 100%);
}

.img-placeholder.tall {
    width: 100%;
    height: 500px;
}

.quick-view {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem;
    background: rgba(7, 7, 7, 0.85);
    color: var(--silver-mid);
    text-align: center;
    text-decoration: none;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.3s ease;
}

.product-img:hover .quick-view {
    opacity: 1;
    transform: translateY(0);
}

.product-name {
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.product-price {
    font-size: 0.78rem;
    color: var(--silver-dark);
    font-weight: 300;
}

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

/* ─── About ─── */
.about-section {
    border-top: 1px solid var(--glass-border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text .section-title {
    margin: 0.6rem 0 1.5rem;
}

.about-btn {
    margin-top: 1.5rem;
}

/* ─── Newsletter ─── */
.newsletter-section {
    border-top: 1px solid var(--glass-border);
    padding: 6rem 3rem;
    background: rgba(255, 255, 255, 0.01);
}

.newsletter-inner {
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.newsletter-inner .section-title {
    margin-bottom: 0.2rem;
}

.newsletter-inner .body-text {
    max-width: 380px;
}

/* ─── Newsletter Form ─── */
.notify-form {
    display: flex;
    width: 100%;
    max-width: 480px;
    margin-top: 0.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.notify-form:focus-within {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.04);
}

.email-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.88rem;
    outline: none;
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

.submit-btn {
    background: linear-gradient(135deg, #e6e6e6 0%, #a6a6a6 100%);
    color: var(--bg-darker);
    border: none;
    padding: 0 1.8rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 4px;
    border-radius: 46px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #ffffff 0%, #bfbfbf 100%);
}

.submit-btn i {
    transition: transform 0.3s ease;
}

.submit-btn:hover i {
    transform: translateX(3px);
}

/* ─── Footer ─── */
.footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo {
    font-family: 'Playfair Display SC', serif;
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    text-decoration: none;
    background: linear-gradient(135deg, #f5f5f5 0%, #999999 50%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shimmer 8s linear infinite;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    color: var(--silver-dark);
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: var(--silver-dark);
    font-size: 1.1rem;
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.7rem;
    color: var(--silver-dark);
    letter-spacing: 0.1em;
}

/* ─── Animations ─── */
@keyframes fadeUpIn {
    0%   { opacity: 0; transform: translateY(30px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

/* ─── Responsive: Tablet ─── */
@media (max-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-image {
        order: -1;
    }

    .img-placeholder.tall {
        height: 300px;
    }
}

/* ─── Responsive: Mobile ─── */
@media (max-width: 600px) {
    .nav {
        padding: 0 1.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(7, 7, 7, 0.96);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        text-align: center;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

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

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .collections-section {
        padding-top: 5rem;
    }

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

    .newsletter-section {
        padding: 4rem 1.5rem;
    }

    .footer {
        padding: 2.5rem 1.5rem;
    }

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

    .notify-form {
        flex-direction: column;
        border-radius: 10px;
        background: transparent;
        border: none;
        gap: 0.8rem;
    }

    .notify-form:focus-within {
        box-shadow: none;
    }

    .email-input {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        border-radius: 8px;
        text-align: center;
        padding: 1rem;
    }

    .submit-btn {
        margin: 0;
        padding: 1rem;
        justify-content: center;
        border-radius: 8px;
    }
}