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

:root {
    --black: #0a0a0a;
    --white: #f5f5f5;
    --red: #e63030;
    --red-dark: #c41e1e;
    --gray: #888;
    --bg: #fafafa;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

.hidden {
    display: none !important;
}

/* ===== NAV ===== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

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

.nav-links a {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    transition: color 0.2s;
}

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

/* ===== HERO ===== */
#hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 100%;
    padding: 0;
    background: var(--black);
    color: var(--white);
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 4rem 4rem;
}

.hero-tag {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 1.5rem;
}

#hero h1 {
    font-size: clamp(3.5rem, 10vw, 10rem);
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 0.9;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 400px;
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

.hero-notice {
    margin-top: 1.2rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray);
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: inline-block;
    padding: 0.5rem 1rem;
}

.hero-img {
    position: relative;
    overflow: hidden;
}

.hero-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.9rem 2.4rem;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: var(--red);
    color: var(--white);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: var(--red-dark);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin-left: 0.8rem;
}

.btn-outline:hover {
    border-color: var(--white);
    background: transparent;
}

/* ===== ARTICLE PAGE ===== */
.article-page {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 7rem 2rem 4rem;
    align-items: start;
}

.article-image-wrap {
    position: sticky;
    top: 5rem;
}

.article-image {
    overflow: hidden;
    cursor: zoom-in;
    background: #e8e8e8;
}

.article-image.zoomed {
    cursor: zoom-out;
}

.article-image img {
    width: 100%;
    display: block;
    transition: transform 0.3s ease;
}

.article-image.zoomed img {
    transform: scale(2.5);
}

.zoom-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.6rem;
    letter-spacing: 0.04em;
}

.article-details h1 {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
}

.article-desc {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.article-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--red);
    margin-bottom: 2rem;
}

.article-details .btn {
    margin-bottom: 0.8rem;
}

@media (max-width: 700px) {
    .article-page {
        grid-template-columns: 1fr;
        padding: 5rem 1.2rem 3rem;
        gap: 2rem;
    }

    .article-image-wrap {
        position: static;
    }

    .article-details .btn-outline {
        margin-left: 0;
        margin-top: 0.5rem;
        display: inline-block;
    }
}

/* ===== SECTIONS ===== */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

section h2 {
    font-size: 2.4rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-sub {
    color: var(--gray);
    margin-bottom: 3rem;
}

/* ===== CATALOGUE ===== */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.product-card {
    background: #fff;
    overflow: hidden;
    transition: transform 0.25s;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-img {
    aspect-ratio: 1 / 1;
    background: #e8e8e8;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.8rem;
}

.product-price {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--red);
}

/* ===== FORMULES ===== */
#formules {
    background: var(--black);
    color: var(--white);
    max-width: 100%;
    padding: 6rem 2rem;
}

.formules-header {
    text-align: center;
    margin-bottom: 3rem;
}

.formules-header h2 {
    margin-bottom: 0.5rem;
}

.formules-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.formules-visual {
    overflow: hidden;
}

.formules-visual img {
    width: 100%;
    height: 100%;
    max-height: 700px;
    object-fit: cover;
    object-position: center top;
}

.formules-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.formule-card {
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 2rem 1.5rem;
    text-align: center;
    position: relative;
    transition: border-color 0.2s, transform 0.25s;
}

.formule-card:hover {
    border-color: var(--red);
    transform: translateY(-4px);
}

.formule-best {
    border-color: var(--red);
}

.formule-badge {
    position: absolute;
    top: -0.7rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--red);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 1rem;
}

.formule-card h3 {
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.formule-items {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 1.2rem;
}

.formule-pricing {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 0.3rem;
}

.formule-old {
    font-size: 1rem;
    color: var(--gray);
    text-decoration: line-through;
}

.formule-price {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--red);
}

.formule-save {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 0.04em;
}

/* ===== FORM ===== */
#precommande {
    background: var(--black);
    color: var(--white);
    max-width: 100%;
    padding: 6rem 2rem;
}

#precommande h2,
#precommande .section-sub {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

#precommande .section-sub {
    margin-bottom: 3rem;
}

#order-form {
    max-width: 520px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
    border: none;
    padding: 0;
}

.form-group label,
.form-group legend {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.req {
    color: var(--red);
}

.opt {
    color: var(--gray);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    outline: none;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--red);
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

select option {
    background: var(--black);
    color: var(--white);
}

::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* Field hint */
.field-hint {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 0.8rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
}

/* Radio group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.95rem;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    padding: 0.6rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.2s;
}

.radio-label:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

.radio-label:has(input:checked) {
    border-color: var(--red);
    background: rgba(230, 48, 48, 0.08);
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--red);
    cursor: pointer;
}

.radio-separator {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 0.4rem 0;
    color: var(--gray);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.radio-separator::before,
.radio-separator::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
}

#sizes-container .form-group,
#surnom-group {
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-submit {
    width: 100%;
    padding: 1.1rem;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* Confirmation */
.confirmation {
    max-width: 520px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem 1rem;
}

.confirmation p {
    font-size: 1.3rem;
    font-weight: 700;
}

/* ===== FOOTER ===== */
footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: var(--gray);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

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

    .hero-text {
        padding: 7rem 2rem 3rem;
        text-align: center;
    }

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

    .hero-img {
        max-height: 50vh;
    }

    .formules-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .formules-visual {
        max-height: 400px;
    }
}

@media (max-width: 600px) {
    .nav-inner {
        padding: 0.8rem 1.2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.75rem;
    }

    .hero-text {
        padding: 6rem 1.2rem 2rem;
    }

    section {
        padding: 4rem 1.2rem;
    }

    #precommande {
        padding: 4rem 1.2rem;
    }

    .products {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    #formules {
        padding: 4rem 1.2rem;
    }

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