:root {
    --bg-dark: #050608;
    --bg-light: #f6f6f6;
    --bg-card: #101015;
    --text-main: #111111;
    --text-light: #f9f9f9;
    --text-muted: #8c8c8c;
    --accent: #ffffff;
    --border-subtle: #2c2c30;
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.35);
    --transition-fast: 0.25s ease;
    --transition-slow: 0.8s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-y: scroll;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Snap scroll sections */
.hero,
.section {
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

/* CONTAINERS & LAYOUTS */
.container {
    width: min(1120px, 100% - 2rem);
    margin-inline: auto;
}

/* HEADER */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 40;
    background: linear-gradient(to bottom, rgba(5, 6, 8, 0.95), rgba(5, 6, 8, 0.7), transparent);
    backdrop-filter: blur(10px);
    /*border-bottom: 1px solid rgba(255, 255, 255, 0.04);*/
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.75rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.logo-mark {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 2px solid var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.logo-text b {
    font-weight: 800;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.9rem;
}

.main-nav a {
    color: var(--text-light);
    text-decoration: none;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-fast);
}

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

.main-nav .nav-cta {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

/* NAV MOBILE */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-light);
}

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 4rem; /* header space */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    transform: scale(1.04);
    filter: contrast(1.1) brightness(0.85);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(0, 0, 0, 0.1), transparent),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.75), rgba(5, 6, 8, 0.98));
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-block: 6rem 3rem;
}

/*.hero-content::before {*/
/*    content: "";*/
/*    position: absolute;*/
/*    inset: -2rem;*/
/*    backdrop-filter: blur(12px);*/
/*    -webkit-backdrop-filter: blur(12px);*/
/*    mask: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.95) 20%, rgba(0, 0, 0, 0.7) 50%, transparent 80%);*/
/*    -webkit-mask: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.95) 20%, rgba(0, 0, 0, 0.7) 50%, transparent 80%);*/
/*    z-index: -1;*/
/*    pointer-events: none;*/
/*    translate: -15rem 0;*/
/*}*/

.hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    margin-bottom: 1.25rem;
    opacity: 0.85;
}

.hero h1 {
    font-size: clamp(2.6rem, 4vw, 3.5rem);
    line-height: 1.15;
    margin-bottom: 1rem;
}

.hero-highlight {
    background: linear-gradient(90deg, #ffffff, #b3b3b3);
    -webkit-background-clip: text;
    color: transparent;
}

.hero-subtitle {
    max-width: 560px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.7rem 1.6rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast), border var(--transition-fast);
}

.btn.primary {
    background: var(--accent);
    color: #000;
    box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
}

.btn.ghost {
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--text-light);
    background: transparent;
}

.btn.ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 1.8rem;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    opacity: 0.8;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2), #ffffff);
    position: relative;
    overflow: hidden;
}

.hero-scroll-line::after {
    content: "";
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 50%;
    background: #fff;
    animation: scrollLine 1.6s infinite;
}

@keyframes scrollLine {
    0% {
        transform: translateY(0%);
        opacity: 1;
    }
    100% {
        transform: translateY(200%);
        opacity: 0;
    }
}

/* SECTIONS GÉNÉRALES */
.section {
    padding-block: 5rem;
}

.section-light {
    background: var(--bg-light);
    color: var(--text-main);
}

.section-dark {
    background: radial-gradient(circle at top left, #171721, #050608 55%);
    color: var(--text-light);
}

.section-header {
    max-width: 620px;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.section-header p {
    color: var(--text-muted);
}

/* GRID */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
}

/* CARDS */
.card {
    background: var(--bg-card);
    border-radius: 1.2rem;
    padding: 1.75rem;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
    color: var(--text-light);
}

.section-light .card {
    background: #ffffff;
    color: var(--text-main);
    border-color: #e5e5e5;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.card p {
    font-size: 0.95rem;
    margin-bottom: 1.1rem;
}

.tag {
    display: inline-flex;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.section-light .tag {
    background: #111;
    color: #fff;
    border-color: #111;
}

/* SECTION LANGUE */
.langue-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.langue-words {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.langue-word {
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.9rem;
}

.langue-word small {
    display: block;
    font-size: 0.7rem;
    opacity: 0.65;
}

.langue-panel {
    background: rgba(0, 0, 0, 0.45);
    border-radius: 1.2rem;
    padding: 1.6rem 1.8rem;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
}

.langue-panel h3 {
    margin-bottom: 0.9rem;
}

.langue-panel ul {
    list-style: none;
    margin-bottom: 1rem;
}

.langue-panel li::before {
    content: "—";
    margin-right: 0.35rem;
}

.langue-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
}

/* SECTION DRAPEAU (Gwenn ha Du) */
.drapeau-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
    gap: 2.5rem;
    align-items: center;
}

.drapeau-text p {
    margin-bottom: 0.9rem;
}

.drapeau-facts {
    list-style: none;
    margin: 1.2rem 0 1.5rem;
    padding: 0;
}

.drapeau-facts li {
    position: relative;
    padding-left: 1.4rem;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.drapeau-facts li::before {
    content: "●";
    position: absolute;
    left: 0;
    top: 0.15rem;
    font-size: 0.6rem;
    opacity: 0.7;
}

.drapeau-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.78);
}

.drapeau-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Drapeau stylisé */
.gwenn-ha-du {
    width: 100%;
    max-width: 360px;
    aspect-ratio: 3 / 2;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    position: relative;
    background: #ffffff;
    transform: translateY(0);
    transition: transform 0.6s ease, box-shadow 0.6s ease;
}

.gwenn-ha-du:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

.gwenn-stripes {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
}

.gwenn-stripes .stripe {
    flex: 1;
}

.stripe-white {
    background: #ffffff;
}

.stripe-black {
    background: #000000;
}

/* Canton d’hermines */
.gwenn-canton {
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    height: 55%;
    background: #ffffff;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 1fr;
    gap: 2px;
    padding: 6px;
    box-sizing: border-box;
}

.gwenn-hermine {
    position: relative;
    width: 100%;
    height: 100%;
}

.gwenn-hermine::before {
    content: "";
    position: absolute;
    inset: 18% 30% 25%;
    background: #000000;
    clip-path: polygon(
            50% 0%,
            80% 45%,
            62% 45%,
            78% 100%,
            50% 75%,
            22% 100%,
            38% 45%,
            20% 45%
    );
    border-radius: 2px;
}

.drapeau-caption {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

@media (max-width: 900px) {
    .drapeau-layout {
        grid-template-columns: 1fr;
    }

    .drapeau-visual {
        order: -1; /* le drapeau passe au-dessus du texte sur mobile */
    }
}


/* PAYSAGE FEATURED */
.paysage-featured {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    margin-bottom: 4rem;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 1.2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.paysage-featured:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* Image de fond floue et zoomée dans la card */
.paysage-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: blur(10px) brightness(1.05);
    transform: scale(1.15);
    opacity: 0.35;
    z-index: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.paysage-featured:hover .paysage-bg {
    opacity: 0.45;
    transform: scale(1.2);
}

/* Alternance : image à droite pour les sections inversées */
.paysage-reverse {
    direction: rtl;
}

.paysage-reverse > * {
    direction: ltr;
}

/* CAROUSEL */
.paysage-carousel {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 0.8rem;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0 4px 2px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: #ffffff;
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 1rem;
}

.carousel-next {
    right: 1rem;
}

.carousel-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: #ffffff;
    width: 24px;
    border-radius: 4px;
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.paysage-text {
    position: relative;
    z-index: 1;
}

.paysage-text h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.paysage-location {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-style: italic;
}

.paysage-text p {
    line-height: 1.7;
    color: #444444;
}

.paysage-text .tag {
    display: inline-block;
    margin-top: 1rem;
}

/* GALLERY PAYSAGES */
.gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    text-align: center;
}

.gallery-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 1.1rem;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    filter: grayscale(100%);
    transform: translateY(0);
    transition: transform 0.8s ease, filter 0.8s ease, box-shadow 0.8s ease;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.gallery-item:hover .gallery-img {
    transform: translateY(-6px) scale(1.02);
    filter: grayscale(30%);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.gallery figcaption {
    margin-top: 0.75rem;
    text-align: left;
    color: #555555;
}

.gallery figcaption strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.gallery figcaption span {
    display: block;
    font-size: 0.88rem;
    line-height: 1.5;
    color: #666666;
}

/* TIMELINE EXPERIENCE */
.timeline {
    position: relative;
    padding-left: 1.2rem;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 1.5rem;
}

.timeline-item {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.timeline-dot {
    position: absolute;
    left: -0.58rem;
    top: 0.2rem;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15);
}

.timeline-content h3 {
    font-size: 1rem;
    margin-bottom: 0.4rem;
}

/* CONTACT */
.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.2fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.contact-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #555;
}

.contact-form {
    background: #ffffff;
    border-radius: 1.4rem;
    padding: 1.8rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e2e2;
}

.contact-form label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border-radius: 0.8rem;
    border: 1px solid #d7d7d7;
    padding: 0.6rem 0.8rem;
    margin-top: 0.4rem;
    font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

/* FOOTER */
.site-footer {
    background: #050608;
    color: rgba(255, 255, 255, 0.78);
    padding-block: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8rem;
}

.footer-meta {
    color: rgba(255, 255, 255, 0.55);
}

/* REVEAL ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .main-nav {
        position: absolute;
        inset: 100% 0 auto 0;
        padding: 1rem 1rem 1.5rem;
        background: #050608;
        flex-direction: column;
        gap: 0.75rem;
        transform: translateY(-150%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.25s ease, opacity 0.25s ease;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }

    .grid-3,
    .gallery,
    .langue-layout,
    .contact-layout,
    .paysage-featured {
        grid-template-columns: 1fr;
    }

    .carousel-btn {
        width: 32px;
        height: 32px;
        font-size: 1.2rem;
    }

    .carousel-prev {
        left: 0.5rem;
    }

    .carousel-next {
        right: 0.5rem;
    }

    .hero-content {
        padding-block: 5rem 3rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-bg {
        background-attachment: scroll; /* meilleure perf mobile */
    }
}

@media (max-width: 600px) {
    .section {
        padding-block: 4rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-form {
        padding: 1.4rem;
    }
}