/* ============================================================================
   CERAFRANCE INDUSTRIE — Feuille de styles
   Esthétique : industriel raffiné / editorial. Sombre, chaleur du four.
   ============================================================================ */

/* --- Design tokens ------------------------------------------------------- */
:root {
    /* Palette : ardoise profonde + chaleur réfractaire */
    --ink-900: #0c1521;   /* fond le plus sombre */
    --ink-800: #0f1b2d;
    --ink-700: #16263c;
    --ink-600: #1f3350;
    --slate-500: #3a4d68;
    --slate-300: #8497ad;
    --paper:    #f4f1ea;   /* blanc cassé chaud */
    --paper-2:  #e9e3d6;
    --line:     #d8d0c0;

    /* Accent : feu / fonte en fusion */
    --fire-500: #e8742a;
    --fire-400: #f08a3c;
    --fire-300: #f6a85e;
    --ember:    #c4451d;

    /* Tons texte */
    --text:        #1a1f28;
    --text-soft:   #4d5666;
    --text-invert: #eef1f6;
    --text-invert-soft: #9aa8bd;

    /* Typo */
    --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
    --font-body: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;

    /* Échelle fluide */
    --step--1: clamp(0.83rem, 0.78rem + 0.22vw, 0.95rem);
    --step-0:  clamp(1rem, 0.94rem + 0.3vw, 1.15rem);
    --step-1:  clamp(1.2rem, 1.08rem + 0.6vw, 1.6rem);
    --step-2:  clamp(1.5rem, 1.28rem + 1.1vw, 2.3rem);
    --step-3:  clamp(1.9rem, 1.5rem + 2vw, 3.4rem);
    --step-4:  clamp(2.4rem, 1.7rem + 3.4vw, 5rem);

    /* Layout */
    --shell: 1180px;
    --gutter: clamp(1.2rem, 4vw, 3rem);
    --radius: 4px;
    --radius-lg: 10px;

    --shadow: 0 1px 2px rgba(12,21,33,.06), 0 8px 30px rgba(12,21,33,.08);
    --shadow-lg: 0 30px 60px -20px rgba(12,21,33,.35);

    --ease: cubic-bezier(.2,.7,.2,1);
}

/* --- Reset léger --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

body {
    font-family: var(--font-body);
    font-size: var(--step-0);
    line-height: 1.65;
    color: var(--text);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.08; letter-spacing: -.01em; }
strong { font-weight: 600; }

/* --- Utilitaires --------------------------------------------------------- */
.shell { width: min(100% - var(--gutter) * 2, var(--shell)); margin-inline: auto; }
.visually-hidden, .skip-link:not(:focus) {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: fixed; top: 1rem; left: 1rem; z-index: 999;
    background: var(--ink-800); color: #fff; padding: .7rem 1.1rem;
    border-radius: var(--radius); text-decoration: none;
}
.icon { width: 1.4em; height: 1.4em; flex: none; }

/* --- Boutons ------------------------------------------------------------- */
.btn {
    --btn-bg: var(--ink-800); --btn-fg: #fff;
    display: inline-flex; align-items: center; gap: .55rem;
    font-family: var(--font-body); font-weight: 500; font-size: var(--step--1);
    letter-spacing: .02em; text-decoration: none; cursor: pointer;
    padding: .85rem 1.5rem; border: 1px solid transparent; border-radius: 100px;
    background: var(--btn-bg); color: var(--btn-fg);
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -10px rgba(12,21,33,.5); }
.btn .icon { width: 1.15em; height: 1.15em; }
.btn--accent { --btn-bg: var(--fire-500); --btn-fg: #fff; }
.btn--accent:hover { background: var(--fire-400); }
.btn--ghost {
    --btn-bg: transparent; --btn-fg: var(--text);
    border-color: var(--line);
}
.btn--ghost:hover { background: #fff; border-color: var(--slate-300); }
.btn--invert-ghost {
    --btn-bg: transparent; --btn-fg: #fff; border-color: rgba(255,255,255,.28);
}
.btn--invert-ghost:hover { background: rgba(255,255,255,.08); }

/* ============================================================================
   HEADER
   ============================================================================ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(12,21,33,.85);
    backdrop-filter: saturate(150%) blur(12px);
    -webkit-backdrop-filter: saturate(150%) blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: 74px; }

.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--text-invert); }
.brand__logo {
    width: 44px; height: 44px; border-radius: 11px; flex: none;
    box-shadow: 0 4px 14px -6px rgba(0,0,0,.5);
}
.brand--footer .brand__logo { width: 40px; height: 40px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__text strong { font-family: var(--font-body); font-weight: 700; letter-spacing: .14em; font-size: .92rem; }
.brand__text em { font-family: var(--font-display); font-style: italic; font-size: .92rem; color: var(--fire-300); margin-top: 2px; }

.nav { display: flex; align-items: center; gap: 1.8rem; margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: .3rem; }
.nav__link {
    display: inline-block; text-decoration: none; color: var(--text-invert-soft);
    font-size: var(--step--1); font-weight: 400; padding: .5rem .8rem; border-radius: 6px;
    position: relative; transition: color .2s var(--ease);
}
.nav__link:hover { color: #fff; }
.nav__link.is-current { color: #fff; }
.nav__link.is-current::after {
    content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .25rem; height: 2px;
    background: var(--fire-500); border-radius: 2px;
}
.nav__cta { white-space: nowrap; }

.nav-toggle {
    display: none; margin-left: auto; background: none; border: 0; cursor: pointer;
    width: 44px; height: 44px; color: #fff;
}
.nav-toggle__bars { display: grid; gap: 5px; width: 24px; margin-inline: auto; }
.nav-toggle__bars span { height: 2px; background: currentColor; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .nav {
        position: fixed; inset: 74px 0 auto 0; flex-direction: column; gap: 0;
        background: var(--ink-800); padding: 1rem var(--gutter) 2rem;
        border-bottom: 1px solid rgba(255,255,255,.08);
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: transform .3s var(--ease), opacity .3s var(--ease);
        max-height: calc(100vh - 74px); overflow-y: auto;
    }
    .nav.is-open { transform: none; opacity: 1; pointer-events: auto; }
    .nav__list { flex-direction: column; align-items: stretch; width: 100%; gap: 0; }
    .nav__link { padding: .9rem .4rem; border-bottom: 1px solid rgba(255,255,255,.07); border-radius: 0; }
    .nav__link.is-current::after { display: none; }
    .nav__cta { margin-top: 1rem; align-self: flex-start; }
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero {
    position: relative; color: var(--text-invert);
    background:
        radial-gradient(120% 80% at 85% -10%, rgba(232,116,42,.28), transparent 55%),
        radial-gradient(90% 70% at 10% 110%, rgba(31,51,80,.7), transparent 60%),
        linear-gradient(160deg, var(--ink-800), var(--ink-900));
    overflow: hidden;
}
.hero::before { /* grain / texture réfractaire */
    content: ""; position: absolute; inset: 0; opacity: .5; pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");
}
.hero__grid { position: absolute; inset: 0; opacity: .35; pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 64px 64px; mask-image: radial-gradient(80% 60% at 50% 40%, #000, transparent 80%);
}
.hero__inner { position: relative; padding: clamp(4rem, 9vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem); }
.hero__eyebrow {
    display: inline-flex; align-items: center; gap: .6rem;
    font-size: var(--step--1); letter-spacing: .16em; text-transform: uppercase;
    color: var(--fire-300); margin-bottom: 1.5rem;
}
.hero__eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--fire-500); }
.hero__title { font-size: var(--step-4); max-width: 16ch; font-weight: 400; }
.hero__title em { font-style: italic; color: var(--fire-300); }
.hero__lead { margin-top: 1.6rem; max-width: 52ch; font-size: var(--step-1); color: var(--text-invert-soft); font-weight: 300; }
.hero__actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__stats {
    position: relative; margin-top: clamp(3rem, 6vw, 5rem);
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-lg); overflow: hidden;
}
.stat { background: rgba(15,27,45,.6); padding: 1.6rem 1.5rem; }
.stat__num { font-family: var(--font-display); font-size: var(--step-2); color: #fff; line-height: 1; }
.stat__num span { color: var(--fire-400); }
.stat__label { margin-top: .5rem; font-size: var(--step--1); color: var(--text-invert-soft); }
@media (max-width: 720px) { .hero__stats { grid-template-columns: repeat(2, 1fr); } }

/* ============================================================================
   SECTIONS génériques
   ============================================================================ */
.section { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink-800); color: var(--text-invert); }

.section__head { max-width: 60ch; margin-bottom: clamp(2rem, 4vw, 3.5rem); }
.section__head--center { margin-inline: auto; text-align: center; }
.eyebrow {
    display: inline-flex; align-items: center; gap: .55rem;
    font-size: var(--step--1); letter-spacing: .16em; text-transform: uppercase;
    color: var(--ember); font-weight: 500; margin-bottom: 1rem;
}
.section--ink .eyebrow { color: var(--fire-300); }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: .6; }
.section__head--center .eyebrow { justify-content: center; }
.section__title { font-size: var(--step-3); }
.section__intro { margin-top: 1.1rem; font-size: var(--step-1); color: var(--text-soft); font-weight: 300; }
.section--ink .section__intro { color: var(--text-invert-soft); }

/* Liens "lire la suite" */
.arrow-link {
    display: inline-flex; align-items: center; gap: .5rem; text-decoration: none;
    font-weight: 500; color: var(--ember); border-bottom: 1px solid transparent;
    transition: gap .25s var(--ease);
}
.arrow-link .icon { width: 1.1em; height: 1.1em; transition: transform .25s var(--ease); }
.arrow-link:hover { gap: .8rem; }
.arrow-link:hover .icon { transform: translateX(3px); }
.section--ink .arrow-link { color: var(--fire-300); }

/* ============================================================================
   GRILLES & CARTES
   ============================================================================ */
.grid { display: grid; gap: clamp(1.2rem, 2.5vw, 2rem); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
    background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: clamp(1.6rem, 3vw, 2.2rem); position: relative; overflow: hidden;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.section--paper2 .card { background: #fff; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--fire-300); }
.card__icon {
    display: grid; place-items: center; width: 54px; height: 54px; border-radius: 12px;
    background: linear-gradient(145deg, var(--ink-700), var(--ink-800)); color: var(--fire-300);
    margin-bottom: 1.3rem;
}
.card__icon .icon { width: 26px; height: 26px; }
.card__title { font-size: var(--step-1); margin-bottom: .6rem; }
.card__text { color: var(--text-soft); font-size: var(--step-0); }
.card__num {
    position: absolute; top: 1rem; right: 1.3rem; font-family: var(--font-display);
    font-size: 3.2rem; color: var(--paper-2); line-height: 1; z-index: 0; font-weight: 600;
}
.section--paper2 .card__num { color: #eee9dd; }
.card > * { position: relative; }

/* Liste à puces "feu" */
.fire-list { display: grid; gap: .65rem; }
.fire-list li { display: flex; align-items: flex-start; gap: .65rem; color: var(--text-soft); }
.fire-list .icon { color: var(--fire-500); width: 1.2em; height: 1.2em; margin-top: .2em; }
.section--ink .fire-list li { color: var(--text-invert-soft); }

/* Tags / chips */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
    font-size: var(--step--1); padding: .35rem .85rem; border-radius: 100px;
    background: var(--paper-2); color: var(--text-soft); border: 1px solid var(--line);
}
.section--ink .chip { background: rgba(255,255,255,.06); color: var(--text-invert-soft); border-color: rgba(255,255,255,.12); }
.chip--accent { background: rgba(232,116,42,.12); color: var(--ember); border-color: rgba(232,116,42,.3); }

/* ============================================================================
   MEDIA / placeholders d'images
   ============================================================================ */
.media {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    background: linear-gradient(145deg, var(--ink-700), var(--ink-900));
    aspect-ratio: 4 / 3; margin: 0;
}
.media::after { /* étiquette placeholder, masquée dès qu'une vraie image charge */
    content: attr(data-label); position: absolute; inset: 0; z-index: 0; display: grid; place-items: center;
    color: rgba(255,255,255,.4); font-size: var(--step--1); letter-spacing: .1em;
    text-transform: uppercase; padding: 1rem; text-align: center;
    background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 28px 28px;
}
.media img { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
/* Si l'image n'a pas de source résolue (fichier absent), elle reste transparente
   et laisse voir le placeholder ; sinon elle le recouvre intégralement. */
.media img:not([src]), .media img[src=""] { display: none; }
.media--tall { aspect-ratio: 3 / 4; }
.media--wide { aspect-ratio: 16 / 9; }

/* ============================================================================
   SPLIT (texte + média)
   ============================================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.split--reverse .split__media { order: -1; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; } .split--reverse .split__media { order: 0; } }

/* ============================================================================
   CTA bande
   ============================================================================ */
.cta-band {
    position: relative; overflow: hidden;
    background: radial-gradient(100% 140% at 80% 0%, rgba(232,116,42,.35), transparent 50%), linear-gradient(135deg, var(--ink-700), var(--ink-900));
    color: #fff; border-radius: var(--radius-lg); padding: clamp(2.5rem, 6vw, 4.5rem);
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem;
}
.cta-band__title { font-size: var(--step-2); max-width: 22ch; }
.cta-band__text { color: var(--text-invert-soft); margin-top: .6rem; max-width: 40ch; }

/* ============================================================================
   TIMELINE (page entreprise)
   ============================================================================ */
.timeline { position: relative; display: grid; gap: 2.5rem; padding-left: 2.2rem; }
.timeline::before { content: ""; position: absolute; left: 7px; top: .4rem; bottom: .4rem; width: 2px;
    background: linear-gradient(var(--fire-500), var(--ink-600)); }
.timeline__item { position: relative; }
.timeline__item::before { content: ""; position: absolute; left: -2.2rem; top: .35rem; width: 16px; height: 16px;
    border-radius: 50%; background: var(--paper); border: 3px solid var(--fire-500); }
.timeline__year { font-family: var(--font-display); font-size: var(--step-1); color: var(--ember); }
.timeline__item p { color: var(--text-soft); margin-top: .35rem; max-width: 60ch; }

/* ============================================================================
   FORMULAIRE
   ============================================================================ */
.form { display: grid; gap: 1.2rem; }
.form__row { display: grid; gap: 1.2rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .form__row { grid-template-columns: 1fr; } }
.field { display: grid; gap: .4rem; }
.field label { font-size: var(--step--1); font-weight: 500; color: var(--text); }
.field .req { color: var(--ember); }
.field input, .field select, .field textarea {
    font: inherit; font-size: var(--step-0); color: var(--text);
    padding: .8rem 1rem; border: 1px solid var(--line); border-radius: var(--radius);
    background: #fff; width: 100%; transition: border-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 150px; }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--fire-500); box-shadow: 0 0 0 3px rgba(232,116,42,.18);
}
.field--error input, .field--error select, .field--error textarea { border-color: var(--ember); background: #fff5f1; }
.field__err { color: var(--ember); font-size: var(--step--1); }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; }

.alert { padding: 1rem 1.2rem; border-radius: var(--radius); font-size: var(--step-0); border: 1px solid; }
.alert--ok { background: #edf7ee; border-color: #b6dcb9; color: #1f5b27; }
.alert--err { background: #fdece7; border-color: #f3c0b0; color: #9a3115; }
.alert ul { margin: .4rem 0 0; padding-left: 1.1rem; list-style: disc; }

/* ============================================================================
   FOOTER
   ============================================================================ */
.site-footer { background: var(--ink-900); color: var(--text-invert-soft); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 2.5rem; padding-bottom: 3rem; }
@media (max-width: 820px) { .footer__grid { grid-template-columns: 1fr; gap: 2rem; } }
.brand--footer { color: var(--text-invert); }
.footer__tagline { margin-top: 1.2rem; max-width: 34ch; line-height: 1.6; }
.footer__tagline span { color: var(--fire-300); }
.footer__group { margin-top: .9rem; font-size: var(--step--1); letter-spacing: .1em; text-transform: uppercase; color: var(--slate-300); }
.footer__title { font-family: var(--font-body); font-size: var(--step--1); letter-spacing: .14em; text-transform: uppercase;
    color: #fff; margin-bottom: 1.1rem; font-weight: 600; }
.footer__nav a { text-decoration: none; color: var(--text-invert-soft); line-height: 2.1; transition: color .2s; }
.footer__nav a:hover { color: var(--fire-300); }
.footer__contact address { font-style: normal; line-height: 1.9; }
.footer__link { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--text-invert-soft); margin-top: .4rem; transition: color .2s; }
.footer__link:hover { color: var(--fire-300); }
.footer__ico { width: 1.1em; height: 1.1em; color: var(--fire-400); }
.footer__bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
    padding: 1.5rem 0; border-top: 1px solid rgba(255,255,255,.08); font-size: var(--step--1);
}
.footer__bottom a { color: var(--text-invert-soft); text-decoration: none; }
.footer__bottom a:hover { color: #fff; }

/* --- Bouton remonter ----------------------------------------------------- */
.to-top {
    position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90;
    display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%;
    background: var(--ink-800); color: #fff; text-decoration: none;
    box-shadow: var(--shadow-lg); transform: translateY(20px) scale(.8); opacity: 0;
    pointer-events: none; transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top__ico { transform: rotate(-90deg); width: 20px; height: 20px; }

/* ============================================================================
   ANIMATIONS d'apparition
   ============================================================================ */
/* Progressive enhancement : le contenu reste visible sans JS.
   Le masquage initial n'est appliqué que lorsque <html class="js"> est présent. */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }

/* Prose (pages texte) */
.prose { max-width: 68ch; }
.prose p { margin-bottom: 1.2rem; color: var(--text-soft); }
.prose h2 { font-size: var(--step-2); margin: 2.5rem 0 1rem; }
.prose h3 { font-size: var(--step-1); margin: 2rem 0 .8rem; }
.prose ul { display: grid; gap: .6rem; margin: 1rem 0 1.5rem; }
.prose ul li { padding-left: 1.5rem; position: relative; color: var(--text-soft); }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .65em; width: 7px; height: 7px;
    background: var(--fire-500); border-radius: 2px; }
.prose a { color: var(--ember); }

/* --- Carte (plan d'accès) ------------------------------------------------ */
.map-frame {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--line); aspect-ratio: 16 / 8; background: var(--paper-2);
    box-shadow: var(--shadow);
}
.map-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (max-width: 600px) { .map-frame { aspect-ratio: 4 / 3; } }