/* ============================================================
   VigieRappel — Design tokens
   Palette : veille nocturne (encre) + signal ambre (alerte)
   Display : Space Grotesk / Corps : Inter / Data : IBM Plex Mono
   ============================================================ */

:root {
    --ink: #0f1a2b;
    --ink-soft: #16273d;
    --paper: #f6f4ee;
    --paper-dim: #eae6db;
    --slate: #5b6b7f;
    --amber: #e8a33d;
    --amber-dim: #7a5a24;
    --red: #c1442e;
    --white: #ffffff;

    --font-display: "Space Grotesk", sans-serif;
    --font-body: "Inter", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;

    --radius: 6px;
    --max-width: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

.wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 28px;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.08;
    margin: 0 0 0.5em 0;
    letter-spacing: -0.01em;
}

p { margin: 0 0 1em 0; color: var(--slate); }

.mono {
    font-family: var(--font-mono);
    font-size: 0.85em;
    letter-spacing: 0.01em;
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(246, 244, 238, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--paper-dim);
}

.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    text-decoration: none;
    color: var(--ink);
}

.logo-mark {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ink);
    position: relative;
    flex: none;
}

.logo-mark::after {
    content: "";
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    background: var(--amber);
}

nav.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

nav.main-nav a {
    text-decoration: none;
    font-size: 0.94rem;
    color: var(--ink);
    opacity: 0.75;
    transition: opacity 0.15s ease;
}

nav.main-nav a:hover { opacity: 1; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--ink); color: var(--white); }
.btn-primary:hover { background: var(--ink-soft); }

.btn-amber { background: var(--amber); color: var(--ink); }
.btn-amber:hover { background: #f0b458; }

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border-color: rgba(15, 26, 43, 0.2);
}
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- Hero ---------- */

.hero {
    background: var(--ink);
    color: var(--white);
    padding: 88px 0 96px;
    position: relative;
    overflow: hidden;
}

.hero .wrap {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 20px;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.18);
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 3.35rem);
    color: var(--white);
    max-width: 12ch;
}

.hero .lede {
    color: rgba(246, 244, 238, 0.72);
    font-size: 1.08rem;
    max-width: 46ch;
    margin-bottom: 30px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }

.hero-proof {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: rgba(246, 244, 238, 0.55);
}

.hero-proof strong { color: var(--white); font-weight: 600; }

/* ---------- Live feed panel (signature element) ---------- */

.feed-panel {
    background: var(--ink-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55);
}

.feed-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: rgba(246, 244, 238, 0.55);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feed-panel-head .live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--amber);
}

.feed-panel-head .live::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--amber);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.25; }
}

.feed-item {
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feed-item:last-child { border-bottom: none; }

.feed-icon {
    flex: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(232, 163, 61, 0.12);
    color: var(--amber);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.feed-item-title {
    font-size: 0.88rem;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 2px;
}

.feed-item-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: rgba(246, 244, 238, 0.45);
}

/* ---------- Sections ---------- */

section { padding: 96px 0; }

.section-head {
    max-width: 640px;
    margin: 0 0 52px 0;
}

.section-head .eyebrow { color: var(--amber-dim); }

.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.card {
    background: var(--white);
    border: 1px solid var(--paper-dim);
    border-radius: 10px;
    padding: 30px 26px;
}

.card .num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--amber-dim);
    margin-bottom: 14px;
    display: block;
}

.card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.card p { font-size: 0.92rem; margin: 0; }

/* ---------- How it works ---------- */

.how { background: var(--paper-dim); }

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.step {
    padding: 24px 20px;
    border-left: 2px solid var(--amber);
}

.step .step-index {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--slate);
    margin-bottom: 10px;
    display: block;
}

.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; }

/* ---------- Audience split ---------- */

.audience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.audience-card {
    border-radius: 10px;
    padding: 34px;
    border: 1px solid var(--paper-dim);
    background: var(--white);
}

.audience-card.dark {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
}

.audience-card.dark h3 { color: var(--white); }
.audience-card.dark p { color: rgba(246, 244, 238, 0.68); }

.audience-card .tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--amber-dim);
    margin-bottom: 14px;
    display: inline-block;
}

.audience-card.dark .tag { color: var(--amber); }

.audience-card ul {
    margin: 18px 0 0 0;
    padding: 0;
    list-style: none;
}

.audience-card li {
    padding: 8px 0;
    border-top: 1px solid var(--paper-dim);
    font-size: 0.92rem;
}

.audience-card.dark li { border-top: 1px solid rgba(255, 255, 255, 0.1); }

/* ---------- CTA band ---------- */

.cta-band {
    background: var(--ink);
    color: var(--white);
    padding: 72px 0;
    text-align: center;
}

.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(246, 244, 238, 0.68); max-width: 46ch; margin: 0 auto 28px; }

/* ---------- Footer ---------- */

footer {
    padding: 48px 0;
    border-top: 1px solid var(--paper-dim);
}

footer .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

footer p { margin: 0; font-size: 0.85rem; color: var(--slate); }

footer nav { display: flex; gap: 22px; }
footer nav a { font-size: 0.85rem; text-decoration: none; color: var(--slate); }
footer nav a:hover { color: var(--ink); }

/* ---------- Portail (client area) ---------- */

.portal-hero {
    background: var(--ink);
    color: var(--white);
    padding: 56px 0 64px;
}

.portal-hero h1 { color: var(--white); font-size: clamp(1.8rem, 3vw, 2.4rem); max-width: 20ch; }
.portal-hero p { color: rgba(246, 244, 238, 0.68); max-width: 52ch; }

.portal-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    padding: 56px 0 96px;
    align-items: start;
}

.form-card {
    background: var(--white);
    border: 1px solid var(--paper-dim);
    border-radius: 10px;
    padding: 36px;
}

.form-card h2 { font-size: 1.3rem; }

fieldset {
    border: none;
    margin: 0 0 32px 0;
    padding: 0;
}

fieldset legend {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--amber-dim);
    padding: 0;
    margin-bottom: 16px;
}

.field { margin-bottom: 18px; }

.field label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.field .hint {
    font-size: 0.8rem;
    color: var(--slate);
    margin-top: 6px;
}

.field .field-error {
    font-size: 0.8rem;
    color: var(--red);
    margin-top: 6px;
    display: none;
}

.field.invalid .field-error {
    display: block;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="url"],
.field textarea,
.field select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--paper-dim);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--paper);
    color: var(--ink);
}

.field textarea {
    font-family: var(--font-mono);
    font-size: 0.84rem;
    min-height: 160px;
    resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    outline: 2px solid var(--amber);
    outline-offset: 1px;
    border-color: var(--amber);
}

.field.invalid input,
.field.invalid textarea {
    border-color: var(--red);
    background: rgba(193, 68, 46, 0.04);
}

.field.invalid input:focus,
.field.invalid textarea:focus {
    outline-color: var(--red);
    border-color: var(--red);
}

.channel-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
}

.channel-toggle button {
    flex: 1;
    padding: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--paper-dim);
    background: var(--paper);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    color: var(--slate);
}

.channel-toggle button[aria-pressed="true"] {
    border-color: var(--ink);
    background: var(--ink);
    color: var(--white);
}

.channel-panel[hidden] { display: none; }

.upload-drop {
    border: 1.5px dashed var(--paper-dim);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    font-size: 0.86rem;
    color: var(--slate);
    margin-bottom: 10px;
}

.upload-drop strong { color: var(--ink); }

.form-status {
    font-size: 0.88rem;
    padding: 12px 14px;
    border-radius: var(--radius);
    margin-top: 18px;
}

.form-status.success { background: rgba(46, 125, 87, 0.1); color: #2e7d57; }
.form-status.error { background: rgba(193, 68, 46, 0.1); color: var(--red); }
.form-status[hidden] { display: none; }

.side-note {
    background: var(--paper-dim);
    border-radius: 10px;
    padding: 26px;
    font-size: 0.88rem;
}

.side-note h3 { font-size: 0.95rem; margin-bottom: 10px; }
.side-note ul { padding-left: 18px; margin: 0; }
.side-note li { margin-bottom: 8px; color: var(--slate); }

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
    nav.main-nav { display: none; }
    .hero .wrap { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .portal-layout { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* ---------- Confirmation de remplacement ---------- */

.confirm-replace {
    background: rgba(232, 163, 61, 0.1);
    border: 1px solid var(--amber);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 20px;
}

.confirm-replace p {
    color: var(--ink);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.confirm-actions {
    display: flex;
    gap: 10px;
}