/* =============================================
   Nährhaft Studio — Stylesheet
   ============================================= */

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

:root {
    --bg-light:       #f4f0eb;
    --bg-warm:        #ece7de;
    --bg-dark:        #1a1918;
    --bg-mid:         #232120;
    --bg-card:        #2c2a27;
    --accent:         #b89a6a;
    --accent-hover:   #a48558;
    --text-primary:   #2a2826;
    --text-secondary: #5e5a54;
    --text-light:     #e8e3db;
    --text-muted:     #a09890;
    --border-light:   #d8d2c6;
    --border-dark:    #3a3632;

    --font-serif: "Futura", "Futura PT", Jost, "Century Gothic", "Trebuchet MS", sans-serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --section-gap:    7rem;
    --container-w:    1100px;
    --pad:            2rem;
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ---- Grain overlay ---- */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9998;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 180px 180px;
    opacity: 0.045;
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
    mask-image: linear-gradient(to bottom, black 0%, transparent 75%);
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ---- Layout ---- */
.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 var(--pad);
}

/* ---- Typography helpers ---- */
.section-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.9rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}
.section-title--light { color: var(--text-light); }

.section-text {
    font-size: 0.975rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 52ch;
}
.section-text--light { color: var(--text-muted); }

.section-header        { margin-bottom: 4rem; }
.section-header--dark  { /* color variants handled via child class modifiers */ }

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn--ghost {
    background: transparent;
    color: var(--text-light);
    border-color: rgba(255,255,255,0.28);
}
.btn--ghost:hover { border-color: rgba(255,255,255,0.7); }

.btn--outline-light {
    display: inline-block;
    margin-top: 2rem;
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--accent);
    padding: 0.85rem 2rem;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: background 0.2s, color 0.2s;
}
.btn--outline-light:hover { background: var(--accent); color: #fff; }

.btn--large { padding: 1.1rem 2.6rem; font-size: 0.8rem; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.6rem 0;
    transition: background 0.3s, padding 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
    background: rgba(26, 25, 24, 0.97);
    padding: 1rem 0;
    box-shadow: 0 1px 0 var(--border-dark);
}

.nav__inner {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

.nav__links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}
.nav__links a {
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.2s;
}
.nav__links a:hover { color: var(--text-light); }
.nav__links .nav__cta { color: var(--accent) !important; }

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 101;
}
.nav__toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--text-light);
    transition: all 0.3s;
}

/* ---- Language toggle ---- */
.lang-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding-left: 1.5rem;
    border-left: 1px solid var(--border-dark);
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.15rem 0;
    transition: color 0.2s;
    line-height: 1;
}
.lang-btn:hover       { color: var(--text-light); }
.lang-btn.active,
.lang-btn--current    { color: var(--text-light); cursor: default; pointer-events: none; }

.lang-sep {
    font-size: 0.6rem;
    color: var(--text-muted);
    opacity: 0.35;
    user-select: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100vh;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 9rem var(--pad) 7rem;
}

.hero__eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(4.5rem, 13vw, 10rem);
    font-weight: 300;
    line-height: 0.92;
    color: var(--text-light);
    letter-spacing: -0.01em;
    margin-bottom: 2.5rem;
}

.hero__divider {
    width: 40px;
    height: 1px;
    background: var(--accent);
    margin: 0 auto 2.5rem;
    opacity: 0.6;
}

.hero__tagline {
    font-family: var(--font-serif);
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    color: var(--text-muted);
    margin-bottom: 3.5rem;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.hero__scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.hero__scroll-label {
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.5;
}

.hero__scroll-line {
    display: block;
    width: 1px;
    height: 36px;
    background: linear-gradient(to bottom, transparent, var(--accent));
    animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.25; }
    50%       { opacity: 0.9; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
    background: var(--bg-light);
    padding: var(--section-gap) 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid var(--border-light);
}

.service-card {
    padding: 2.5rem 2rem 2.5rem;
    border-right: 1px solid var(--border-light);
    transition: background 0.25s;
}
.service-card:last-child { border-right: none; }
.service-card:hover { background: var(--bg-warm); }

.service-card__num {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 300;
    color: var(--border-light);
    line-height: 1;
    margin-bottom: 1.75rem;
    user-select: none;
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.service-card__text {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.75;
}

/* ============================================================
   CREATIVE WORK
   ============================================================ */
.creative {
    background: var(--bg-mid);
    padding: var(--section-gap) 0;
}

.creative__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--border-dark);
}

.creative-card {
    padding: 2.5rem 2rem;
    border-right: 1px solid var(--border-dark);
}
.creative-card:last-child { border-right: none; }

.creative-card__title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--text-light);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.creative-card__text {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.75;
}

/* Nährwerk card — fully clickable */
.creative-card--linked {
    transition: background 0.25s;
}
.creative-card--linked:hover { background: var(--bg-card); }

.creative-card__link-wrap {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
}

.creative-card__listen {
    display: inline-block;
    margin-top: 1.5rem;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    transition: color 0.2s;
}
.creative-card--linked:hover .creative-card__listen { color: var(--text-light); }

/* ============================================================
   GEAR
   ============================================================ */
.gear {
    background: var(--bg-dark);
    padding: var(--section-gap) 0;
}

.gear__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem 4.5rem;
}

.gear-category__title {
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-dark);
}

.gear-list { list-style: none; }

.gear-list li {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-muted);
    padding: 0.45rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: color 0.2s;
}
.gear-list li:hover { color: var(--text-light); }
.gear-list li:last-child { border-bottom: none; }

/* ============================================================
   STUDIO GALLERY
   ============================================================ */
.studio-gallery {
    background: var(--bg-light);
    padding: var(--section-gap) 0;
}

.gallery__note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: -3rem;
    margin-bottom: 3.5rem;
    opacity: 0.6;
    font-style: italic;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.gallery__item {
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--bg-warm);
    position: relative;
}

.gallery__item--wide { grid-column: span 2; aspect-ratio: 16/9; }
.gallery__item--tall { grid-row: span 2; aspect-ratio: unset; }

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}
.gallery__item:hover img { transform: scale(1.04); }

.gallery__placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-warm);
    border: 1px dashed var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery__placeholder span {
    font-size: 0.65rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
    opacity: 0.4;
}

/* ============================================================
   REFERENCES PREVIEW
   ============================================================ */
.refs-preview {
    background: var(--bg-mid);
    padding: var(--section-gap) 0;
}

.refs-preview__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.refs-preview__albums {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.album-thumb {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-card);
}

.album-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.album-thumb:hover img { transform: scale(1.05); }

.album-thumb--placeholder {
    border: 1px dashed var(--border-dark);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
    background: var(--bg-light);
    padding: var(--section-gap) 0;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
}

.contact__item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border-light);
}
.contact__item:first-child { border-top: 1px solid var(--border-light); }

.contact__label {
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.contact__value {
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-primary);
    transition: color 0.2s;
}
a.contact__value:hover { color: var(--accent); }

.contact__side { padding-top: 1rem; }

.contact__photo {
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    margin-bottom: 2rem;
}

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

.contact__side-text {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 2.5rem;
    max-width: 38ch;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--bg-dark);
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-dark);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer__logo {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.footer__info {
    display: flex;
    gap: 2rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.footer__nav {
    display: flex;
    gap: 2rem;
}
.footer__nav a {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0.55;
    transition: opacity 0.2s;
}
.footer__nav a:hover { opacity: 1; }

/* ============================================================
   REFERENCES PAGE
   ============================================================ */
.page-hero {
    background: var(--bg-light);
    padding: 9rem var(--pad) 4rem;
    border-bottom: 1px solid var(--border-light);
}

.refs-section {
    background: var(--bg-light);
    padding: 5rem 0 var(--section-gap);
}

.refs__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 2rem;
}

.ref-card__img-wrap {
    display: block;
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--bg-warm);
    margin-bottom: 1rem;
}
.ref-card__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.ref-card__img-wrap:hover img { transform: scale(1.04); }

.ref-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,25,24,0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.ref-card__img-wrap:hover .ref-card__overlay { opacity: 1; }

.ref-card__listen {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-light);
}

.ref-card__placeholder-img {
    width: 100%;
    height: 100%;
    background: var(--bg-warm);
    border: 1px dashed var(--border-light);
}

.ref-card__info { padding: 0 0.15rem; }

.ref-card__artist {
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.ref-card__title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.ref-card__meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.ref-card__role {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

.refs-cta {
    background: var(--bg-dark);
    padding: var(--section-gap) 0;
    text-align: center;
}
.refs-cta__inner { max-width: 580px; margin: 0 auto; }
.refs-cta__inner .section-text {
    margin: 0 auto;
    text-align: center;
}
.refs-cta__inner .btn { margin-top: 2.5rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    :root { --section-gap: 5rem; --pad: 1.5rem; }

    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .service-card:nth-child(2) { border-right: none; }
    .service-card:nth-child(1),
    .service-card:nth-child(2) { border-bottom: 1px solid var(--border-light); }

    .creative__grid { grid-template-columns: 1fr; }
    .creative-card { border-right: none; border-bottom: 1px solid var(--border-dark); }
    .creative-card:last-child { border-bottom: none; }

    .gear__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3rem; }

    .gallery__grid { grid-template-columns: repeat(2, 1fr); }
    .gallery__item--wide { grid-column: span 2; }

    .refs-preview__inner  { grid-template-columns: 1fr; gap: 3rem; }
    .contact__grid        { grid-template-columns: 1fr; gap: 3rem; }

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

@media (max-width: 640px) {
    .lang-item {
        border-left: none;
        padding-left: 0;
    }
    .lang-btn { font-size: 1rem; letter-spacing: 0.15em; }
    .nav__links {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2.5rem;
    }
    .nav__links.open { display: flex; }
    .nav__links a { font-size: 1rem; letter-spacing: 0.15em; }
    .nav__toggle { display: flex; }

    .services__grid { grid-template-columns: 1fr; }
    .service-card { border-right: none; border-bottom: 1px solid var(--border-light); }
    .service-card:last-child { border-bottom: none; }
    .service-card:nth-child(1),
    .service-card:nth-child(2) { border-bottom: 1px solid var(--border-light); }

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

    .gallery__grid { grid-template-columns: 1fr; }
    .gallery__item--wide { grid-column: span 1; aspect-ratio: 4/3; }

    .refs-preview__albums { grid-template-columns: repeat(2, 1fr); }

    .footer__inner { flex-direction: column; text-align: center; }
    .footer__info { flex-direction: column; gap: 0.4rem; align-items: center; }

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