/* =========================================================
   kunst mittreiter - Modern redesign
   ========================================================= */

/* ---------- Self-hosted webfonts (DSGVO-compliant) ---------- */
/* Cormorant Garamond - regular */
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('fonts/cormorant-garamond-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('fonts/cormorant-garamond-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Cormorant Garamond - italic */
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: italic;
    font-weight: 400 500;
    font-display: swap;
    src: url('fonts/cormorant-garamond-italic-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Cormorant Garamond';
    font-style: italic;
    font-weight: 400 500;
    font-display: swap;
    src: url('fonts/cormorant-garamond-italic-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Inter */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('fonts/inter-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('fonts/inter-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    --color-bg:        #fafaf7;
    --color-surface:   #ffffff;
    --color-text:      #1f1d1a;
    --color-muted:     #6b6862;
    --color-line:      #e6e2da;
    --color-accent:    #d96a14;
    --color-accent-2:  #f08a3e;
    --color-dark:      #1f1d1a;

    --font-display: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 6px 24px rgba(0,0,0,0.06);
    --shadow-lg: 0 30px 60px rgba(0,0,0,0.18);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --container: 1240px;
    --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover, a:focus-visible { color: var(--color-accent-2); }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.18;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.4vw, 1.6rem); }

p  { margin: 0 0 1em; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- Site header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-dark);
}
.brand img { height: 44px; width: auto; }
.brand__name {
    font-family: var(--font-display);
    font-size: 1.4rem;
    line-height: 1;
    letter-spacing: 0.02em;
}
.brand__sub {
    display: block;
    font-family: var(--font-body);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-top: 4px;
}

.primary-nav {
    display: flex;
}
.primary-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}
.primary-nav a {
    position: relative;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.4rem 0;
}
.primary-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
    color: var(--color-accent);
}
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-dark);
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(60% 80% at 80% 30%, rgba(217,106,20,0.08), transparent 70%),
        radial-gradient(40% 60% at 10% 80%, rgba(217,106,20,0.05), transparent 70%);
    pointer-events: none;
}
.hero__inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 3rem;
    align-items: center;
}
.hero__eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}
.hero h1 {
    margin-bottom: 1.5rem;
}
.hero h1 em {
    font-style: italic;
    color: var(--color-accent);
}
.hero p.lead {
    font-size: 1.1rem;
    color: var(--color-muted);
    margin-bottom: 2rem;
    max-width: 50ch;
}

.hero__image {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(110deg,
        var(--color-line) 8%,
        #f3eee3 18%,
        var(--color-line) 33%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.6s ease-in-out infinite;
}
.hero__image.is-loaded {
    background: var(--color-line);
    animation: none;
}
.hero__image picture {
    width: 100%;
    height: 100%;
    display: block;
}
.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
    opacity: 0;
    transition: transform 0.8s ease, opacity 0.6s ease;
}
.hero__image img.is-loaded {
    opacity: 1;
}
.hero__image:hover img { transform: scale(1.06); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    background: var(--color-dark);
    color: #fff;
    border: 0;
    border-radius: 999px;
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover, .btn:focus-visible {
    background: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn--ghost {
    background: transparent;
    color: var(--color-dark);
    border: 1px solid var(--color-line);
}
.btn--ghost:hover {
    background: var(--color-dark);
    color: #fff;
    border-color: var(--color-dark);
}
.btn__arrow { transition: transform var(--transition); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ---------- Sections ---------- */
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section--alt { background: var(--color-surface); }

.section__title {
    text-align: center;
    margin-bottom: 3rem;
}
.section__title .eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}
.section__title p {
    max-width: 60ch;
    margin: 0 auto;
    color: var(--color-muted);
}

/* ---------- Feature cards (home) ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}
.feature {
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}
.feature__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(217,106,20,0.12);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.feature h3 { margin-bottom: 0.5rem; }
.feature p {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* ---------- Article (long form text pages) ---------- */
.article {
    max-width: 760px;
    margin: 0 auto;
    padding: 4rem 0;
}
.article h1 { margin-bottom: 0.5rem; }
.article .eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}
.article h2 {
    margin-top: 2.5rem;
    padding-top: 0.5rem;
}
.article p { color: var(--color-text); }
.article p.lead {
    font-size: 1.2rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}
.article-figure {
    margin: 2rem 0;
    padding: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-surface);
}
.article-figure picture {
    display: block;
    position: relative;
    background: linear-gradient(110deg,
        var(--color-line) 8%,
        #f3eee3 18%,
        var(--color-line) 33%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.6s ease-in-out infinite;
}
.article-figure picture.is-loaded {
    background: none;
    animation: none;
}
.article-figure img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.article-figure img.is-loaded {
    opacity: 1;
}
.article-figure figcaption {
    padding: 0.85rem 1.25rem 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.5;
    border-top: 1px solid var(--color-line);
    font-style: italic;
}

/* ---------- Timeline (Biographie) ---------- */
.article .timeline {
    display: grid;
    grid-template-columns: max-content 1fr;
    column-gap: 1.5rem;
    row-gap: 0.4rem;
    margin: 1.25rem 0 1.75rem;
    padding: 0 0 0.25rem 1.25rem;
    border-left: 2px solid var(--color-line);
}
.article .timeline dt {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 500;
    line-height: 1.4;
    grid-column: 1;
    position: relative;
    white-space: nowrap;
}
.article .timeline dt::before {
    content: "";
    position: absolute;
    left: -1.85rem;
    top: 0.55rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-bg);
}
.article .timeline dd {
    grid-column: 2;
    margin: 0;
    line-height: 1.55;
    color: var(--color-text);
}
.article .atelier {
    margin: 0.5rem 0 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
    font-style: normal;
    color: var(--color-text);
}

@media (max-width: 540px) {
    .article .timeline {
        grid-template-columns: 1fr;
        row-gap: 0;
    }
    .article .timeline dt {
        grid-column: 1;
        margin-top: 0.85rem;
    }
    .article .timeline dt:first-of-type { margin-top: 0; }
    .article .timeline dd {
        grid-column: 1;
        margin-bottom: 0.4rem;
    }
}

/* ---------- Gallery ---------- */
.gallery {
    columns: 3 280px;
    column-gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.gallery > li {
    break-inside: avoid;
    margin-bottom: 1.5rem;
}
.gallery__item {
    display: block;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.gallery__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.gallery__item picture {
    display: block;
    position: relative;
    background: linear-gradient(110deg,
        var(--color-line) 8%,
        #f3eee3 18%,
        var(--color-line) 33%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.6s ease-in-out infinite;
}
.gallery__item picture.is-loaded {
    background: none;
    animation: none;
}
.gallery__item img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.5s ease;
}
.gallery__item img.is-loaded {
    opacity: 1;
}
.gallery__item:hover img { transform: scale(1.04); }
@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Reveal-on-scroll for gallery items: each item slides up + fades in
   when it enters the viewport, in addition to the per-image fade-in. */
.gallery > li {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}
.gallery > li.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.gallery__caption {
    padding: 0.85rem 1rem 1rem;
    font-size: 0.88rem;
    color: var(--color-muted);
    line-height: 1.45;
    border-top: 1px solid var(--color-line);
    background: var(--color-surface);
}
.gallery__caption strong {
    display: block;
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.gallery__overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: 2rem 1rem 1rem;
    color: #fff;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.55));
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
    font-size: 0.9rem;
}
.gallery__item:hover .gallery__overlay { opacity: 1; }
.gallery__overlay span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
}

/* ---------- Lightbox ---------- */
.lb-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,14,12,0.92);
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 3rem);
    z-index: 2000;
    backdrop-filter: blur(8px);
}
.lb-overlay.is-open { display: flex; }
.lb-image {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}
.lb-btn {
    position: absolute;
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.18);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}
.lb-btn:hover, .lb-btn:focus-visible {
    background: var(--color-accent);
    color: #fff;
    transform: scale(1.05);
}
.lb-close { top: 1.5rem; right: 1.5rem; }
.lb-prev  { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-next  { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.05); }
.lb-caption {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    background: rgba(0,0,0,0.55);
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.9rem;
    max-width: 80%;
    text-align: center;
}

/* ---------- Contact form ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: start;
}
.contact-info p { color: var(--color-muted); }
.contact-card {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
}
.contact-card dt {
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 4px;
}
.contact-card dd {
    margin: 0 0 1rem;
    color: var(--color-dark);
    font-weight: 500;
}
.contact-card dd:last-child { margin-bottom: 0; }

.form {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 0.4rem;
}
.form label .req { color: var(--color-accent); }
.form input,
.form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font: inherit;
    color: var(--color-dark);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(217,106,20,0.15);
    background: #fff;
}
.form textarea {
    min-height: 160px;
    resize: vertical;
    font-family: inherit;
}
.form .privacy-hint {
    font-size: 0.82rem;
    color: var(--color-muted);
    margin: 0 0 1.25rem;
    line-height: 1.5;
}
.honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.form-status {
    padding: 1rem 1.25rem;
    margin: 0 0 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}
.form-status.success {
    background: #ecf5e7;
    color: #2c5d12;
    border-left: 4px solid #5b9b2a;
}
.form-status.error {
    background: #fbe9e7;
    color: #8a1f12;
    border-left: 4px solid #d6432e;
}
.form-status ul {
    margin: 0.4rem 0 0 1.25rem;
    padding: 0;
}

/* ---------- Per-field errors ---------- */
.form-group.has-error label {
    color: #a32316;
}
.form-group.has-error input,
.form-group.has-error textarea {
    border-color: #d6432e;
    background: #fff7f5;
}
.form-group.has-error input:focus,
.form-group.has-error textarea:focus {
    box-shadow: 0 0 0 3px rgba(214, 67, 46, 0.15);
}
.field-error {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    color: #a32316;
    line-height: 1.4;
}
.field-error[hidden] { display: none; }

/* Disabled submit while sending */
.form .btn[disabled] {
    opacity: 0.7;
    cursor: progress;
}

/* ---------- Footer ---------- */
.site-footer {
    margin-top: 4rem;
    background: var(--color-dark);
    color: rgba(255,255,255,0.78);
    padding: 3rem 0 1.5rem;
}
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: var(--color-accent-2); }

.site-footer__top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer h4 {
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.78rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 1rem;
}
.site-footer ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.site-footer ul li { margin-bottom: 0.45rem; }

.site-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    flex-wrap: wrap;
    gap: 1rem;
}
.site-footer__bottom ul {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* ---------- Mobile-nav backdrop ---------- */
.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(31, 29, 26, 0.55);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 90;
}
.nav-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

/* Lock body scroll when nav is open */
body.nav-open {
    overflow: hidden;
}

/* Bigger tap targets globally */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .primary-nav a,
    .form input,
    .form textarea,
    .gallery__item,
    .lb-btn {
        min-height: 44px;
    }
}

/* ---------- Responsive ---------- */
/* Tablet & smaller laptops */
@media (max-width: 1024px) {
    :root {
        --container: 100%;
    }
    .container { padding: 0 1.25rem; }
    .hero { padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2rem, 5vw, 3.5rem); }
    .section { padding: clamp(2.5rem, 5vw, 4rem) 0; }
}

/* Tablets */
@media (max-width: 900px) {
    .hero__inner          { grid-template-columns: 1fr; gap: 2rem; }
    .hero__image          { order: -1; aspect-ratio: 16/11; max-height: 360px; }
    .contact-grid         { grid-template-columns: 1fr; gap: 2.5rem; }
    .form-row             { grid-template-columns: 1fr; gap: 0; }
    .site-footer__top     { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .article              { padding: 2.5rem 0; }
}

/* Mobile */
@media (max-width: 720px) {
    body                  { font-size: 16px; }
    .container            { padding: 0 1.5rem; }

    /* Header - fixed height so the off-canvas nav can rely on it */
    .site-header          { z-index: 120; min-height: 64px; }
    .site-header__inner   { min-height: 64px; padding: 0.5rem 0; gap: 0.5rem; }
    .brand img            { height: 38px; }
    .brand__name          { font-size: 1.15rem; }
    .brand__sub           { font-size: 0.62rem; letter-spacing: 0.18em; }

    /* Nav toggle - large, easy tap target above the off-canvas drawer */
    .nav-toggle {
        display: inline-flex;
        z-index: 130;
        position: relative;
        width: 48px;
        height: 48px;
    }
    .nav-toggle svg       { width: 28px; height: 28px; }

    /* Off-canvas mobile nav: covers the full viewport so it's always tall
       enough to display all menu items, even with browser chrome. */
    .primary-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        height: 100dvh;
        width: min(85%, 360px);
        background: var(--color-bg);
        flex-direction: column;
        padding: calc(64px + 1rem) 1.75rem 2rem;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-lg);
        z-index: 110;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    /* Older iOS fallback (no dvh) */
    @supports not (height: 100dvh) {
        .primary-nav { height: 100vh; }
    }
    .nav-backdrop         { z-index: 100; }
    .primary-nav.is-open  { transform: translateX(0); }
    .primary-nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    .primary-nav li       { border-bottom: 1px solid var(--color-line); }
    .primary-nav li:first-child { border-top: 1px solid var(--color-line); }
    .primary-nav a {
        font-size: 1.1rem;
        padding: 1rem 0;
        display: block;
    }
    .primary-nav a::after { display: none; }

    /* Hero */
    .hero                 { padding: 1.5rem 0 2rem; }
    .hero__image          { aspect-ratio: 4/3; max-height: 280px; border-radius: var(--radius-md); }
    .hero p.lead          { font-size: 1rem; }

    /* Sections */
    .section              { padding: 2.5rem 0; }
    .section__title       { margin-bottom: 2rem; }

    /* Feature cards */
    .feature              { padding: 1.5rem; }

    /* Article */
    .article              { padding: 2rem 0; }
    .article p.lead       { font-size: 1.1rem; }
    .article h2           { margin-top: 2rem; }

    /* Gallery */
    .gallery              { columns: 2 1fr; column-gap: 0.75rem; }
    .gallery > li         { margin-bottom: 0.75rem; }
    .gallery__caption     { padding: 0.6rem 0.75rem 0.75rem; font-size: 0.8rem; }

    /* Form - prevent iOS zoom on input focus */
    .form                 { padding: 1.5rem; border-radius: var(--radius-md); }
    .form input,
    .form textarea        { font-size: 16px; padding: 0.85rem 1rem; }
    .form .btn            { width: 100%; justify-content: center; }

    /* Buttons */
    .btn                  { padding: 0.85rem 1.4rem; }

    /* Lightbox is disabled on mobile (handled in JS) -- gallery clicks open
       the image natively. CSS kept compact in case it ever shows up. */
    .lb-overlay           { padding: 0.5rem; }
    .lb-image             { max-width: 100%; max-height: 100%; }
    .lb-btn               { width: 40px; height: 40px; font-size: 1rem; }
    .lb-close             { top: 0.5rem; right: 0.5rem; }
    .lb-prev              { left: 0.25rem; }
    .lb-next              { right: 0.25rem; }
    .lb-caption           { bottom: 0.5rem; font-size: 0.8rem; max-width: 92%; padding: 0.4rem 0.75rem; }

    /* Footer */
    .site-footer          { margin-top: 2.5rem; padding: 2rem 0 1.25rem; }
    .site-footer__top     { grid-template-columns: 1fr; gap: 1.75rem; padding-bottom: 1.75rem; }
    .site-footer__bottom  { flex-direction: column; align-items: flex-start; padding-top: 1.25rem; }
}

/* Very small phones */
@media (max-width: 380px) {
    .container            { padding: 0 1.25rem; }
    .brand__sub           { display: none; }
    .brand img            { height: 34px; }
    h1                    { font-size: 2rem; }
    .hero p.lead          { font-size: 0.95rem; }
    .form                 { padding: 1.25rem; }
    .gallery              { columns: 1; }
}

/* iOS notch / safe area */
@supports (padding: env(safe-area-inset-bottom)) {
    .site-header__inner { padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right); }
    .site-footer        { padding-bottom: calc(1.5rem + env(safe-area-inset-bottom)); }
    .primary-nav        { padding-bottom: calc(2rem + env(safe-area-inset-bottom)); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}