/* AM Photographie — direction éditoriale, progressive enhancement. */
:root {
    --color-bg: #121512;
    --color-bg-elevated: #1b1f1b;
    --color-bg-elevated-2: #232923;
    --color-primary: #f3f0e8;
    --color-secondary: #d8be83;
    --color-secondary-dim: #c6a565;
    --color-accent: #a6aca3;
    --editorial-white: #f5f2ea;
    --editorial-ink: #121512;
    --container-max: 1440px;
    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-pill: 999px;
    --ease-spring: cubic-bezier(.22, 1, .36, 1);
}
:root[data-theme='light'] {
    --color-bg: #f5f2ea;
    --color-bg-elevated: #eae7de;
    --color-bg-elevated-2: #e0dfd5;
    --color-primary: #232b24;
    --color-accent: #61675e;
    --color-secondary: #87652a;
    --color-secondary-dim: #74531e;
}
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
::selection { background: #d8be83; color: #121512; }
:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 6px; }
.container { padding-inline: clamp(24px, 5vw, 80px); }
.section { padding-block: clamp(64px, 8vw, 120px); }
h1, h2, h3 { font-weight: 400; letter-spacing: -.035em; }
h2 em { color: var(--color-secondary); font-weight: 400; }
.btn {
    position: relative; isolation: isolate; overflow: hidden;
    border-radius: var(--radius-pill); min-height: 48px;
    text-transform: none; letter-spacing: .005em; font-size: .83rem;
    padding: .9rem 1.6rem; font-weight: 600;
    transition: transform .35s var(--ease-spring), box-shadow .35s ease, background .25s ease, border-color .25s ease;
}
.btn-primary {
    color: var(--editorial-ink); background: linear-gradient(120deg, #ead5a5, #d8be83 65%, #cbae72);
    border-color: #f5e5bf60;
    box-shadow: inset 0 1px 0 #fff6, 0 5px 18px #00000018;
}
.btn-primary::before {
    content: ''; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(110deg, transparent 25%, #fff5 48%, transparent 70%);
    transform: translateX(-130%); transition: transform .75s var(--ease-spring); pointer-events: none;
}
.btn-primary:hover { color: var(--editorial-ink); background: linear-gradient(120deg, #f2deb4, #dfc58d); box-shadow: inset 0 1px 0 #fff8, 0 12px 30px #d8be8326; transform: translateY(-3px); }
.btn-primary:hover::before { transform: translateX(130%); }
.btn-primary span[aria-hidden] {
    display: inline-grid; place-items: center; flex-shrink: 0;
    width: 34px; height: 34px; font-size: 1.25rem; margin-left: 14px;
    background: #12151212; border-radius: 50%; transition: transform .35s var(--ease-spring), background .25s;
}
.btn-primary:hover span[aria-hidden] { transform: rotate(45deg); background: #1215121e; }
.btn-outline { background: color-mix(in srgb, var(--color-primary) 4%, transparent); border-color: color-mix(in srgb, var(--color-primary) 22%, transparent); }
.btn-outline:hover { background: color-mix(in srgb, var(--color-secondary) 10%, transparent); box-shadow: 0 8px 24px #00000012; }
.btn:active { transform: translateY(0) scale(.97); box-shadow: none; }
.btn:disabled, .btn[aria-disabled='true'] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn:disabled::before { display: none; }
.site-header { border-bottom: 1px solid #ffffff18; }
.site-header .container { gap: 24px; max-width: 1600px; padding-inline: 32px; }
.site-header.is-scrolled { background: #121512d9; backdrop-filter: blur(22px) saturate(130%); box-shadow: 0 6px 30px #00000012; }
.main-nav ul { gap: clamp(10px, 1.15vw, 22px); }
.main-nav a { font-size: .74rem; }
.header-actions { gap: 12px; }
.header-actions .btn { padding: .65rem 1.05rem; min-height: 42px; font-size: .73rem; }
.site-logo-mark { width: 180px; }
.editorial-hero { height: min(920px, 100svh); min-height: 720px; text-align: left; justify-content: flex-start; background: #121512; }
.editorial-hero .hero-media { overflow: hidden; }
.editorial-hero .hero-frame { position: absolute; inset: 0; opacity: 0; transform: scale(1.07); transition: opacity 1.1s ease, transform 8s ease-out; object-position: 65% center; }
.editorial-hero .hero-frame.is-active { opacity: 1; transform: scale(1); }
.editorial-hero .hero-media::after { background: linear-gradient(90deg, #0b130fce 0%, #0b130f75 48%, #0b130f0d 100%), linear-gradient(0deg, #0b130fd9, transparent 40%, #0b130f26); }
.editorial-hero .hero-content { width: 100%; max-width: 1100px; padding: 80px clamp(24px, 7vw, 112px) 100px; }
.editorial-hero .hero-content h1 { font-size: clamp(3.8rem, 6.8vw, 7.2rem); line-height: 1.08; font-weight: 400; letter-spacing: -.05em; margin: 20px 0 28px; }
.editorial-hero .hero-content h1 em { color: #e1c994; font-weight: 400; }
.editorial-hero .hero-content p { margin: 0 0 34px; max-width: 430px; font-size: .96rem; line-height: 1.9; color: #e2e6df; }
.editorial-hero .hero-content .eyebrow { display: flex; align-items: center; gap: 14px; color: #e1c994; font-size: .65rem; letter-spacing: .2em; }
.eyebrow-line { width: 38px; height: 1px; background: currentColor; }
.editorial-hero .hero-actions { justify-content: flex-start; align-items: center; gap: 14px; }
.editorial-hero .hero-actions .btn { min-height: 58px; padding: .65rem .75rem .65rem 1.5rem; }
.hero-text-link {
    display: inline-flex; align-items: center; justify-content: center; min-height: 58px;
    color: var(--editorial-white); font-size: .79rem; font-weight: 500;
    border: 1px solid #ffffff38; border-radius: var(--radius-pill); padding: .65rem 1.35rem;
    background: #ffffff0d; backdrop-filter: blur(12px);
    box-shadow: inset 0 1px 0 #ffffff12;
    transition: background .25s, border-color .25s, transform .35s var(--ease-spring);
}
.hero-text-link:hover { border-color: #e1c99499; background: #ffffff19; transform: translateY(-3px); }
.hero-text-link:active { transform: scale(.97); }
.hero-text-link span { margin-left: 16px; font-size: 1.15rem; transition: transform .3s var(--ease-spring); }
.hero-text-link:hover span { transform: translate(2px, -2px); }
.hero-coordinate { position: absolute; top: 126px; right: 40px; font-size: .55rem; letter-spacing: .2em; color: #fff9; writing-mode: vertical-rl; z-index: 1; }
.hero-bottom { position: absolute; z-index: 2; bottom: 32px; left: clamp(24px, 7vw, 112px); right: clamp(24px, 5vw, 80px); display: flex; justify-content: space-between; align-items: flex-end; color: var(--editorial-white); }
.explore-cue { display: flex; align-items: center; gap: 14px; font-size: .65rem; letter-spacing: .035em; }
.explore-cue > span { display: grid; place-items: center; width: 36px; height: 48px; border: 1px solid #ffffff45; border-radius: 30px; animation: cueFloat 2.5s ease-in-out infinite; font-size: 1.1rem; }
@keyframes cueFloat { 50% { transform: translateY(5px); } }
.hero-switcher { text-align: right; margin-right: 58px; }
.hero-slide-label { display: block; font-size: .65rem; margin-bottom: 12px; color: #e2e6df; }
.hero-slide-buttons { display: flex; gap: 5px; padding: 6px; background: #12151266; backdrop-filter: blur(16px); border: 1px solid #ffffff26; border-radius: var(--radius-pill); box-shadow: inset 0 1px 0 #ffffff0d; }
.hero-slide-button, .hero-play { color: #e0e3dd; background: transparent; border: 0; border-radius: 50%; min-width: 42px; min-height: 44px; font-size: .7rem; cursor: pointer; transition: color .2s, background .25s, transform .25s var(--ease-spring); }
.hero-slide-button.is-active { color: #121512; background: #e1c994; box-shadow: 0 2px 10px #0002; }
.hero-slide-button:hover, .hero-play:hover { color: white; background: #ffffff20; transform: translateY(-2px); }
.hero-slide-button.is-active:hover { color: #121512; background: #efdab1; }
.hero-play[aria-pressed='true'] { background: #ffffff20; color: #e1c994; }
.universe-ribbon { min-height: 92px; display: flex; align-items: center; justify-content: space-evenly; flex-wrap: wrap; gap: 20px; padding: 24px; border-bottom: 1px solid var(--color-border); font-size: .67rem; letter-spacing: .16em; text-transform: uppercase; }
.universe-ribbon i { color: var(--color-secondary); font-size: 16px; }
.ribbon-signature { font-family: var(--font-heading); font-style: italic; text-transform: none; font-size: 1rem; letter-spacing: 0; color: var(--color-accent); }
.editorial-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; max-width: none; text-align: left; margin-bottom: 48px; }
.editorial-heading h2 { margin-bottom: 0; font-size: clamp(2.6rem, 4.4vw, 4.6rem); }
.editorial-heading p { max-width: 330px; font-size: .88rem; line-height: 1.85; }
#specialites .cards-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
#specialites .specialty-card { aspect-ratio: 3 / 4.6; border-radius: 24px; box-shadow: 0 12px 30px #00000014; }
#specialites .specialty-card:nth-child(even) { margin-top: 36px; }
#specialites .specialty-card::before { background: linear-gradient(180deg, #09140c20 25%, #09140cdd 100%); }
.specialty-number { position: absolute; top: 18px; left: 20px; z-index: 2; color: white; font-size: .68rem; border: 1px solid #ffffff38; background: #12151238; backdrop-filter: blur(12px); width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; }
#specialites .specialty-card-body { padding: 24px; transform: none; color: var(--editorial-white); }
#specialites .specialty-card-body h3 { font-size: clamp(1.6rem, 2.4vw, 2.6rem); }
#specialites .specialty-card-body p { opacity: 1; max-height: none; font-size: .72rem; line-height: 1.65; margin-top: 12px; }
.specialty-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 22px; border-top: 1px solid #ffffff55; padding-top: 14px; font-size: .7rem; color: #fff; }
.specialty-link::after { content: ''; position: absolute; inset: 0; }
.specialty-link span { display: grid; place-items: center; flex-shrink: 0; width: 32px; height: 32px; border-radius: 50%; background: #ffffff18; font-size: 1.3rem; transition: transform .3s, background .3s; }
.specialty-card:hover .specialty-link span { transform: translate(3px, -3px); }
.specialty-card:focus-within { outline: 2px solid var(--color-secondary); outline-offset: 4px; }
.specialty-card:focus-within img { transform: scale(1.05); }
.approach-section .feature-item { padding: 28px; border: 1px solid var(--color-border); border-radius: 22px; background: linear-gradient(140deg, #ffffff04, transparent); text-align: left; transition: background .3s, transform .3s; }
.approach-section .feature-item:hover { background: var(--color-bg-elevated-2); transform: translateY(-4px); }
.approach-section .feature-item .icon { margin-left: 0; border-radius: 0; border: 0; background: transparent; width: auto; justify-content: flex-start; }
.approach-section .feature-item h3 { font-size: .9rem; text-transform: none; letter-spacing: 0; }
.approach-section .feature-item p { font-size: .8rem; }
.photo-month-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 70px; align-items: center; }
.photo-month-layout img { width: 100%; }
.stats-grid { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding-block: 40px; }
.stat-number { font-weight: 400; }
.faq-question { text-align: left; gap: 20px; padding-block: 26px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--color-border); border-radius: 18px; padding-inline: 24px; background: var(--color-bg); transition: border-color .25s, box-shadow .25s; }
.faq-item.is-open { border-color: color-mix(in srgb, var(--color-secondary) 45%, transparent); box-shadow: 0 8px 28px #0000000a; }
.faq-question .plus { display: grid; place-items: center; flex-shrink: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--color-bg-elevated); }
.form-field input:not([type='checkbox']):not([type='radio']), .form-field select, .form-field textarea { transition: border-color .25s, box-shadow .25s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-secondary) 12%, transparent); }
.theme-toggle, .chat-widget-toggle { transition: transform .3s var(--ease-spring), box-shadow .3s, background .3s; }
.chat-widget-toggle { background: linear-gradient(135deg, #ecd7a8, #cfaf71); color: #121512; border: 1px solid #f5e5bf66; box-shadow: inset 0 1px 0 #fff6, 0 8px 28px #0003; }
.chat-widget-toggle:hover { transform: translateY(-3px); box-shadow: inset 0 1px 0 #fff6, 0 12px 30px #d8be8333; }
.closing-section { position: relative; overflow: hidden; background: radial-gradient(ellipse at center, #d8be8310, transparent 65%); }
.closing-section h2 { font-size: clamp(3.4rem, 7vw, 7rem); margin-block: 22px; }
.closing-section .eyebrow { color: var(--color-secondary); font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; }
.reading-progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; transform: scaleX(0); transform-origin: left; background: #d8be83; z-index: 1600; pointer-events: none; }
.back-to-top { position: fixed; bottom: 28px; left: 24px; width: 44px; height: 44px; border: 1px solid var(--color-border); border-radius: 50%; background: var(--color-bg); color: var(--color-primary); z-index: 100; opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s; cursor: pointer; }
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
[data-animate] { opacity: 1; transform: none; transition-duration: .85s; }
.motion-ready [data-animate]:not(.is-visible) { opacity: 0; transform: translateY(24px); }
@media (min-width: 1101px) and (max-width: 1380px) {
    .site-header .container { padding-inline: 22px; gap: 16px; }
    .site-header > .container > .header-actions .social-icons { display: none; }
    .site-logo-mark { width: 160px; }
    .main-nav ul { gap: 12px; }
    .main-nav a { font-size: .68rem; }
}
@media (max-width: 1100px) {
    .main-nav a { font-size: 1.3rem; }
    .main-nav:not(.is-open) { visibility: hidden; }
    .main-nav.is-open { visibility: visible; }
    #specialites .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    #specialites .specialty-card { aspect-ratio: 4 / 4.5; }
    .ribbon-signature { display: none; }
}
@media (max-width: 700px) {
    .site-header .container { padding-inline: 20px; }
    .editorial-hero { min-height: 740px; max-height: 1000px; height: 100svh; }
    .editorial-hero .hero-content { padding-top: 40px; padding-bottom: 140px; }
    .editorial-hero .hero-content h1 { font-size: clamp(3.25rem, 10.5vw, 4.5rem); }
    .editorial-hero .hero-content p { font-size: .84rem; max-width: 340px; }
    .editorial-hero .hero-content .eyebrow { font-size: .56rem; letter-spacing: .13em; }
    .editorial-hero .hero-actions { align-items: flex-start; gap: 16px; }
    .editorial-hero .hero-actions .btn { width: auto; }
    .hero-coordinate { display: none; }
    .hero-bottom { bottom: 98px; align-items: flex-end; gap: 16px; }
    .hero-switcher { margin-right: 0; }
    .explore-cue { font-size: 0; gap: 0; }
    .hero-slide-label { font-size: .6rem; }
    .hero-slide-buttons { gap: 2px; padding: 5px; }
    .hero-slide-button, .hero-play { min-width: 38px; min-height: 40px; }
    .universe-ribbon { gap: 14px; min-height: 76px; font-size: .55rem; padding-inline: 16px; letter-spacing: .08em; }
    .universe-ribbon i:last-of-type { display: none; }
    .editorial-heading { flex-direction: column; align-items: flex-start; gap: 20px; }
    .editorial-heading p { max-width: none; }
    #specialites .cards-grid { gap: 12px; }
    #specialites .specialty-card { aspect-ratio: 1 / 1.8; border-radius: 18px; }
    #specialites .specialty-card:nth-child(even) { margin-top: 24px; }
    #specialites .specialty-card-body { padding: 14px; }
    #specialites .specialty-card-body h3 { font-size: 1.55rem; }
    #specialites .specialty-card-body p { font-size: .65rem; }
    .specialty-link { font-size: .62rem; gap: 4px; margin-top: 14px; }
    .specialty-number { left: 14px; top: 14px; }
    .photo-month-layout { grid-template-columns: 1fr; gap: 32px; }
    .approach-section .features-grid { grid-template-columns: 1fr; gap: 12px; }
    .approach-section .feature-item { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-animate], .motion-ready [data-animate]:not(.is-visible), .hero-content > *, .site-logo-mono, .site-logo-word { opacity: 1; transform: none; }
    .site-logo-ring { stroke-dashoffset: 0; }
}