/*
 * Mage Audio - Page officielle provisoire
 * Design : Studio Moderne (theme2) - aligné sur static/core/css/style.css
 *
 * TODO: intégrer plus tard la grille de licences Web / Pro / Sur mesure dans la plateforme complète.
 * TODO: intégrer plus tard catalogue, moteur de recherche, filtres, fiches titres, notes de licence et documents de licence.
 */

/* ---------- Design tokens - Studio (theme2) ---------- */
:root {
    --bg-paper: #FAFAFA;
    --bg-paper-alt: #F0F0F5;
    --text-ink: #1A1A2E;
    --text-title: #0A0A14;
    --text-graphite: #555577;
    --text-light: #888899;
    --accent-blue: #3290d8;
    --accent-sepia: #6d99df;
    --border-pencil: #E0E0E8;
    --border-dark: #C0C0CC;
    --shadow-soft: rgba(58, 134, 255, 0.06);
    --shadow-medium: rgba(58, 134, 255, 0.12);
    --header-bg: rgba(250, 250, 250, 0.95);

    --font-display: 'Inter', 'Helvetica Neue', sans-serif;
    --font-body: 'Inter', 'Helvetica Neue', sans-serif;
    --font-size-body: 1rem;
    --font-size-small: 0.875rem;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 3.2rem;

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

    --max-width: 1000px;
}

[data-mode="dark"] {
    --bg-paper: #121218;
    --bg-paper-alt: #1E1E2A;
    --text-ink: #E8E8F0;
    --text-title: #FFFFFF;
    --text-graphite: #9090AA;
    --text-light: #555566;
    --accent-blue: #83B2FF;
    --accent-sepia: #3A86FF;
    --border-pencil: #2A2A3A;
    --border-dark: #3A3A4A;
    --shadow-soft: rgba(131, 178, 255, 0.08);
    --shadow-medium: rgba(131, 178, 255, 0.15);
    --header-bg: rgba(18, 18, 24, 0.95);
}

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

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

body {
    background-color: var(--bg-paper);
    color: var(--text-ink);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
    color: var(--accent-sepia);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 3px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ---------- Header (nav du site en dev) ---------- */
header {
    padding: var(--space-sm) 0;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--text-ink);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

nav {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 2vw, var(--space-md));
    flex-wrap: wrap;
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-decoration: none;
    color: var(--accent-blue);
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.nav-logo {
    display: block;
    width: 9.25rem;
    height: auto;
}

.nav-brand:hover {
    color: var(--accent-sepia);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: clamp(0.3rem, 1vw, 1rem);
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.nav-menu a {
    display: inline-block;
    padding: 0.8rem clamp(0.4rem, 0.8vw, 1rem) 0.6rem;
    font-family: var(--font-body);
    font-size: clamp(0.75rem, 1.2vw, 0.9rem);
    font-weight: 600;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: var(--accent-blue);
    background-color: var(--shadow-soft);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease, background-color 0.2s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--text-ink);
    background-color: var(--shadow-medium);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-left: auto;
    flex-shrink: 0;
}

.lang-switch {
    display: inline-flex;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    height: 36px;
}

.lang-btn {
    background: var(--bg-paper);
    border: none;
    color: var(--text-graphite);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0 0.75rem;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    color: var(--text-ink);
}

.lang-btn.active {
    background: var(--border-dark);
    color: var(--text-ink);
}

#mode-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    background: var(--bg-paper);
    font-size: 1.1rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

#mode-toggle:hover {
    border-color: var(--text-ink);
    background-color: var(--shadow-soft);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--text-ink);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-ink);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--text-ink);
    color: var(--bg-paper);
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: color-mix(in srgb, var(--accent-blue) 20%, #ffffff);
    border-color: color-mix(in srgb, var(--accent-blue) 40%, #ffffff);
    color: var(--accent-blue);
}

.btn-outline {
    background: transparent;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline:hover {
    background: var(--shadow-soft);
    color: var(--accent-sepia);
    border-color: var(--accent-sepia);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-ghost {
    border-color: var(--border-pencil);
    color: var(--text-graphite);
    cursor: default;
}

.btn-ghost:hover {
    background: transparent;
    color: var(--text-graphite);
    transform: none;
}

/* ---------- Hero ---------- */
.hero {
    text-align: center;
    padding: var(--space-xl) 0 var(--space-lg);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    margin-bottom: var(--space-lg);
}

.hero-brand {
    font-size: clamp(2.4rem, 6vw, 3.6rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--accent-blue);
}

.hero-logo {
    display: block;
    width: min(100%, 22rem);
    height: auto;
}

.hero-tagline {
    display: block;
    font-size: clamp(0.85rem, 1.8vw, 1rem);
    font-weight: 500;
    line-height: 1.4;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-top: 0.15rem;
}

.text-accent {
    color: var(--accent-blue);
    font-weight: 600;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.05rem, 2.5vw, 1.35rem);
    font-weight: 500;
    color: var(--accent-blue);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.hero-text {
    font-size: var(--font-size-body);
    color: var(--text-graphite);
    margin-bottom: var(--space-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.status-badge {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--shadow-soft);
    border: 1px solid var(--border-pencil);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-ink);
    margin-bottom: var(--space-md);
}

/* ---------- Sections ---------- */
.section {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-pencil);
}

.section-alt {
    background: var(--bg-paper-alt);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-title);
    margin-bottom: var(--space-sm);
}

.section-intro,
.section-text {
    font-size: var(--font-size-body);
    color: var(--text-graphite);
    margin-bottom: var(--space-sm);
    max-width: 800px;
}

.caution-box {
    background-color: var(--shadow-soft);
    border-left: 4px solid var(--accent-blue);
    padding: var(--space-md);
    margin-top: var(--space-md);
    max-width: 800px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.caution-box p {
    margin: 0;
    font-size: var(--font-size-small);
    color: var(--text-graphite);
}

.caution-box strong {
    color: var(--text-ink);
    font-weight: 600;
}

/* ---------- Listening selection ---------- */
.listening-section {
    text-align: center;
}

.listening-section > .container {
    max-width: 848px;
}

.listening-section .section-intro {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.listening-section .caution-box {
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.listening-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    max-width: 700px;
    margin: var(--space-lg) auto 0;
}

.bandcamp-embed {
    width: 100%;
}

.bandcamp-embed iframe {
    display: block;
    width: 100%;
    height: 7.5rem;
    border: 0;
}

/* ---------- Contact ---------- */
.contact-section {
    text-align: center;
}

.contact-section .section-title,
.contact-section .section-text {
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    width: min(100%, 720px);
    margin: var(--space-lg) auto 0;
    padding: clamp(1.25rem, 4vw, 2.25rem);
    text-align: left;
    background: var(--bg-paper);
    border: 1px solid var(--border-pencil);
    border-top: 3px solid var(--accent-blue);
    border-radius: var(--radius-md);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.45) inset,
        0 18px 48px var(--shadow-medium);
}

.contact-form [hidden] {
    display: none !important;
}

.contact-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.form-required-note {
    margin: 0 0 var(--space-md);
    color: var(--text-graphite);
    font-size: 0.78rem;
    line-height: 1.4;
    text-align: right;
}

.required-marker {
    color: var(--accent-blue);
    font-weight: 700;
}

.form-row {
    display: grid;
    gap: var(--space-sm);
}

.form-field {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
}

.form-field label {
    color: var(--text-title);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.form-field input,
.form-field textarea {
    width: 100%;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 0.85rem 1rem;
    background: color-mix(in srgb, var(--bg-paper) 72%, var(--bg-paper-alt));
    color: var(--text-ink);
    font: inherit;
    line-height: 1.5;
    box-shadow: 0 1px 2px rgba(10, 10, 20, 0.04) inset;
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.form-field input {
    min-height: 3.25rem;
}

.form-field textarea {
    min-height: 11rem;
    resize: vertical;
}

.form-field input:hover,
.form-field textarea:hover {
    border-color: color-mix(in srgb, var(--accent-blue) 55%, var(--border-dark));
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
    outline: none;
    background: var(--bg-paper);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 4px var(--shadow-medium);
}

.form-field input:user-valid,
.form-field textarea:user-valid {
    border-color: color-mix(in srgb, #2f8f63 60%, var(--border-dark));
}

.form-field input:user-invalid,
.form-field textarea:user-invalid {
    border-color: color-mix(in srgb, #c13d3d 72%, var(--border-dark));
    box-shadow: 0 0 0 3px color-mix(in srgb, #c13d3d 10%, transparent);
}

.form-actions {
    display: grid;
    gap: var(--space-sm);
    margin-top: 0.25rem;
}

.recaptcha-container {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    padding: var(--space-sm);
    overflow: hidden;
    background: var(--bg-paper-alt);
    border: 1px solid var(--border-pencil);
    border-radius: var(--radius-md);
}

.contact-form .btn {
    width: 100%;
    min-height: 3.35rem;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px var(--shadow-medium);
}

.contact-form .btn-primary {
    color: white;
}

.contact-form .btn-primary:hover,
.contact-form .btn-primary:focus-visible {
    background: color-mix(in srgb, var(--accent-blue) 88%, var(--text-title));
    border-color: color-mix(in srgb, var(--accent-blue) 88%, var(--text-title));
    color: white;
    box-shadow: 0 12px 26px var(--shadow-medium);
}

.contact-form .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 5px 14px var(--shadow-medium);
}

[data-mode="dark"] .contact-form .btn-primary {
    color: #0A0A14;
}

[data-mode="dark"] .contact-form .btn-primary:hover,
[data-mode="dark"] .contact-form .btn-primary:focus-visible {
    background: color-mix(in srgb, var(--accent-blue) 88%, white);
    border-color: color-mix(in srgb, var(--accent-blue) 88%, white);
    color: #0A0A14;
}

.form-status {
    width: min(100%, 720px);
    margin: var(--space-lg) auto 0;
    padding: 1rem 1.15rem;
    border: 1px solid var(--border-pencil);
    border-left-width: 4px;
    border-radius: var(--radius-md);
    text-align: left;
    box-shadow: 0 10px 28px var(--shadow-soft);
}

.form-status--success {
    background: color-mix(in srgb, var(--accent-blue) 12%, var(--bg-paper));
    border-color: var(--accent-blue);
    color: var(--text-ink);
}

.form-status--error {
    background: color-mix(in srgb, #c13d3d 10%, var(--bg-paper));
    border-color: #c13d3d;
    color: var(--text-ink);
}

.privacy-notice {
    margin-top: var(--space-md);
    padding: var(--space-sm) 1rem 0;
    border-top: 1px solid var(--border-pencil);
    color: var(--text-graphite);
    font-size: var(--font-size-small);
    line-height: 1.5;
    text-align: left;
}

.privacy-notice p {
    margin: 0;
}

.privacy-notice a {
    font-weight: 600;
}

.privacy-page .container {
    max-width: 800px;
}

.privacy-page h2 {
    margin: var(--space-lg) 0 var(--space-xs);
    color: var(--text-title);
    font-size: 1.2rem;
}

.privacy-page p {
    max-width: 760px;
    color: var(--text-graphite);
    margin-bottom: var(--space-sm);
}

/* ---------- Footer ---------- */
footer.site-footer {
    padding: var(--space-lg) 0;
    background: var(--bg-paper-alt);
    border-top: 1px solid var(--border-pencil);
    text-align: center;
}

footer.site-footer p {
    color: var(--text-graphite);
    font-size: var(--font-size-small);
    margin-bottom: 0.4rem;
}

.footer-site a {
    font-weight: 600;
}

.footer-links {
    margin-top: var(--space-sm);
}

/* ---------- Utilities ---------- */
.is-hidden {
    display: none !important;
}

.mt-4 {
    margin-top: var(--space-lg);
}

.mb-4 {
    margin-bottom: var(--space-lg);
}

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

.text-muted {
    color: var(--text-graphite);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    nav {
        justify-content: space-between;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .nav-controls {
        margin-left: 0;
    }

    .hero {
        padding: var(--space-lg) 0;
    }

    .section {
        padding: var(--space-lg) 0;
    }

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

    .contact-form .btn {
        width: 100%;
    }
}

@media (min-width: 640px) {
    .form-row--split {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 420px) {
    .form-required-note {
        text-align: left;
    }

    .recaptcha-container .g-recaptcha {
        transform: scale(0.92);
        transform-origin: top center;
    }

    .privacy-notice {
        padding-right: 0.25rem;
        padding-left: 0.25rem;
    }
}

@media (max-width: 360px) {
    .recaptcha-container .g-recaptcha {
        transform: scale(0.82);
    }
}

@media (max-width: 350px) {
    .recaptcha-container {
        padding-right: 0;
        padding-left: 0;
    }

    .recaptcha-container .g-recaptcha {
        transform: scale(0.76);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}