/* ==========================================================================
   BUR.NE — Swiss Style Design System
   ========================================================================== */

:root {
    --black: #0a0a0a;
    --white: #fafafa;
    --red: #e63946;
    --green: #2a9d8f;
    --blue: #1d3557;
    --gold: #d4a574;
    --gray: #6b7280;
    --light-gray: #e5e5e5;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Archivo', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--white);
    color: var(--black);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ==========================================================================
   Header
   ========================================================================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--black);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: var(--black);
}

.logo span {
    color: var(--red);
}

nav {
    display: flex;
    gap: 40px;
    align-items: center;
}

nav a {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    color: var(--black);
    transition: color 0.2s;
}

nav a:hover {
    color: var(--red);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 8px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--light-gray);
}

.lang-switcher button {
    font-family: inherit;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 12px;
    border: 1px solid var(--black);
    background: transparent;
    color: var(--black);
    cursor: pointer;
    transition: all 0.2s;
}

.lang-switcher button:hover {
    background: var(--light-gray);
}

.lang-switcher button.active {
    background: var(--black);
    color: var(--white);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    border-bottom: 1px solid var(--black);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text h1 {
    font-size: clamp(48px, 7vw, 100px);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.03em;
    margin-bottom: 30px;
}

.hero-text h1 span {
    display: block;
    color: var(--red);
}

.hero-tagline {
    font-size: 18px;
    font-weight: 500;
    color: var(--gray);
    max-width: 400px;
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 18px 50px;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    text-decoration: none;
    border: 2px solid var(--black);
    color: var(--black);
    transition: all 0.3s;
}

.btn:hover {
    background: var(--black);
    color: var(--white);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual img {
    max-width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

/* ==========================================================================
   Marquee
   ========================================================================== */

.marquee {
    background: var(--black);
    color: var(--white);
    padding: 15px 0;
    overflow: hidden;
    border-bottom: 1px solid var(--black);
}

.marquee-content {
    display: flex;
    animation: marquee 20s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    padding: 0 60px;
}

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

/* ==========================================================================
   Products Section
   ========================================================================== */

.products {
    padding: 120px 0;
}

.section-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--light-gray);
}

.section-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--gray);
    letter-spacing: 0.1em;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 16px;
    color: var(--gray);
    max-width: 500px;
}

/* ==========================================================================
   Product Cards
   ========================================================================== */

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: var(--black);
}

.product-card {
    background: var(--white);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    transition: background 0.3s;
}

.product-card:hover {
    background: var(--light-gray);
}

.product-card.burne { border-top: 4px solid var(--red); }
.product-card.reburne { border-top: 4px solid var(--green); }
.product-card.deburne { border-top: 4px solid var(--gold); }

.product-image {
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.product-image img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
}

.product-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 15px;
}

.product-card.burne .product-badge { color: var(--red); }
.product-card.reburne .product-badge { color: var(--green); }
.product-card.deburne .product-badge { color: var(--gold); }

.product-name {
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 15px;
}

.product-tagline {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.3;
}

.product-desc {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 30px;
    flex-grow: 1;
}

.product-ingredients {
    border-top: 1px solid var(--light-gray);
    padding-top: 25px;
}

.product-ingredients h4 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 12px;
    color: var(--gray);
}

.ingredients-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ingredient {
    font-size: 11px;
    font-weight: 600;
    padding: 5px 10px;
    background: var(--light-gray);
    border-radius: 2px;
}

/* ==========================================================================
   Philosophy Section
   ========================================================================== */

.philosophy {
    background: var(--black);
    color: var(--white);
    padding: 120px 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 80px;
}

.philosophy h2 {
    font-size: 56px;
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
}

.philosophy h2 span {
    color: var(--red);
}

.philosophy-text {
    font-size: 17px;
    line-height: 1.8;
    opacity: 0.85;
}

.philosophy-text p {
    margin-bottom: 25px;
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255,255,255,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.stat {
    padding: 60px 0;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.stat:last-child {
    border-right: none;
}

.stat-number {
    font-size: 64px;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0.6;
    margin-top: 10px;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    padding: 120px 0;
    text-align: center;
    border-bottom: 1px solid var(--black);
}

.cta h2 {
    font-size: 64px;
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-bottom: 25px;
}

.cta p {
    font-size: 18px;
    color: var(--gray);
    max-width: 500px;
    margin: 0 auto 45px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    background: var(--black);
    color: var(--white);
    padding: 60px 0;
}

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

.footer-logo {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.footer-logo span {
    color: var(--red);
}

.footer-text {
    font-size: 13px;
    opacity: 0.6;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    text-decoration: none;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 1;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-visual {
        order: -1;
    }

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

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

    .section-header {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    nav a:not(.lang-switcher *) {
        display: none;
    }

    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
    }

    .hero-text h1 {
        font-size: 42px;
    }

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

    .stat {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.2);
        padding: 40px 0;
    }

    .stat:last-child {
        border-bottom: none;
    }

    .cta h2 {
        font-size: 36px;
    }

    .philosophy h2 {
        font-size: 36px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
}