:root {
    --bg: #020617;
    --bg-alt: #050816;
    --card: #020617;
    --accent: #6366f1;
    --accent-soft: rgba(99, 102, 241, 0.12);
    --accent-strong: #a855f7;
    --text: #f9fafb;
    --muted: #9ca3af;
    --border: rgba(148, 163, 184, 0.45);
    --shadow-soft: 0 24px 70px rgba(15, 23, 42, 0.95);
    --radius-lg: 18px;
    --radius-pill: 999px;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    --max-width: 1180px;
}

/* RESET SIMPLE */

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

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top, #1e293b 0, #020617 50%, #02010a 100%),
        radial-gradient(circle at bottom, #111827 0, #020617 55%, #02010a 100%);
    scroll-behavior: smooth;
}

a {
    color: inherit;
    text-decoration: none;
}

/* LAYOUT GLOBAL */

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 18px;
}

main {
    flex: 1;
}

/* HEADER / NAV */

header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.96), rgba(2, 6, 23, 0.75), transparent);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background:
        radial-gradient(circle at 10% 0%, #e5e7eb 0, #38bdf8 22%, #6366f1 46%, #4c1d95 78%, #020617 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: #f9fafb;
    box-shadow:
        0 0 22px rgba(56, 189, 248, 0.6),
        0 18px 44px rgba(0, 0, 0, 0.95);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 11px;
}

.brand-tagline {
    font-size: 11px;
    color: var(--muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 13px;
}

.nav-links a {
    color: var(--muted);
    padding: 4px 0;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--accent), var(--accent-strong));
    transition: width 0.18s ease-out;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-pill {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: radial-gradient(circle at 0 0, rgba(148, 163, 184, 0.28), rgba(15, 23, 42, 0.96));
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--muted);
}

.nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3);
}

.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.95);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 16px;
    height: 1.5px;
    border-radius: 999px;
    background: #e5e7eb;
    position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 16px;
    height: 1.5px;
    border-radius: 999px;
    background: #e5e7eb;
}

.nav-toggle span::before {
    top: -4px;
}

.nav-toggle span::after {
    top: 4px;
}

.nav-menu-mobile {
    display: none;
    padding-bottom: 10px;
}

.nav-menu-mobile.open {
    display: block;
}

.nav-menu-mobile a {
    display: block;
    padding: 8px 0;
    font-size: 14px;
    color: var(--muted);
}

.nav-menu-mobile a:hover {
    color: var(--text);
}

/* HERO */

.hero {
    padding: 32px 0 44px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.16), transparent 50%),
        radial-gradient(circle at 85% 15%, rgba(168, 85, 247, 0.16), transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

.hero-inner {
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 32px;
    align-items: center;
}

.kicker {
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.kicker-pill {
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: radial-gradient(circle at 0 0, rgba(248, 250, 252, 0.28), rgba(30, 64, 175, 0.75));
    font-size: 10px;
}

.hero h1 {
    font-size: clamp(32px, 5.2vw, 46px);
    line-height: 1.05;
    margin: 0 0 12px;
}

.hero .accent {
    background: linear-gradient(120deg, var(--accent), var(--accent-strong), #e5e7eb);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    max-width: 560px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.65;
    margin-bottom: 20px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 18px;
}

.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-meta strong {
    color: var(--text);
    font-weight: 500;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 18px;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.17s ease-out, box-shadow 0.17s ease-out, background 0.17s ease-out, border-color 0.17s ease-out;
}

.btn-primary {
    background:
        radial-gradient(circle at 0 0, #ffffff, var(--accent-strong) 40%, #4c1d95 90%);
    color: #020617;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 1);
}

.btn-ghost {
    background: rgba(15, 23, 42, 0.95);
    border-color: rgba(148, 163, 184, 0.7);
    color: var(--text);
}

.btn-ghost:hover {
    background: rgba(15, 23, 42, 1);
    border-color: rgba(248, 250, 252, 0.9);
}

.hero-note {
    font-size: 11px;
    color: var(--muted);
}

/* Illustration hero */

.hero-visual {
    position: relative;
    min-height: 260px;
}

.blob {
    position: absolute;
    inset: 0;
    filter: blur(42px);
    opacity: 0.85;
    pointer-events: none;
}

.blob::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.8), transparent 65%);
    top: 0;
    left: 10%;
}

.blob::after {
    content: "";
    position: absolute;
    width: 260px;
    height: 260px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.9), transparent 65%);
    bottom: -10%;
    right: 0;
}

.device-stack {
    position: relative;
    width: 100%;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
    perspective: 1400px;
}

.device-card {
    position: relative;
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background:
        radial-gradient(circle at 0 0, rgba(248, 250, 252, 0.16), rgba(15, 23, 42, 0.98)),
        linear-gradient(145deg, rgba(15, 23, 42, 1), rgba(5, 0, 20, 1));
    padding: 12px 14px 14px;
    box-shadow: var(--shadow-soft);
    transform: rotateY(-12deg) rotateX(8deg);
    transform-origin: center;
    animation: float 7s ease-in-out infinite alternate;
}

.device-screen {
    border-radius: 12px;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 1), rgba(15, 23, 42, 0.6)),
        radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.35), transparent 55%);
    border: 1px solid rgba(148, 163, 184, 0.5);
    padding: 10px;
    min-height: 140px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.device-screen::after {
    content: "Billy the Clic";
    position: absolute;
    top: 8px;
    right: 10px;
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(148, 163, 184, 0.8);
}

.code-block {
    font-family: "SF Mono", ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 10px;
    line-height: 1.4;
    color: #e5e7eb;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 8px;
    padding: 8px;
    border: 1px solid rgba(31, 41, 55, 0.9);
    overflow: hidden;
}

.code-line {
    opacity: 0.85;
}

.code-line .key {
    color: #60a5fa;
}

.code-line .str {
    color: #a5b4fc;
}

.code-line .fn {
    color: #22c55e;
}

.mini-metrics {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 6px;
    font-size: 11px;
    color: var(--muted);
}

.metric-pill {
    padding: 6px 8px;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.95);
}

.metric-pill strong {
    font-size: 12px;
    color: var(--text);
}

.metric-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.device-footer {
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--muted);
}

.lamp {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: radial-gradient(circle, rgba(250, 250, 250, 0.85), transparent 70%);
    top: -24px;
    left: -16px;
    opacity: 0.2;
    box-shadow: 0 0 60px rgba(250, 250, 250, 0.4);
}

@keyframes float {
    from {
        transform: rotateY(-15deg) rotateX(10deg) translateY(0);
    }
    to {
        transform: rotateY(-10deg) rotateX(7deg) translateY(-8px);
    }
}

/* SECTIONS GÉNÉRIQUES */

section {
    padding: 32px 0;
}

.section-header {
    margin-bottom: 16px;
}

.section-kicker {
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 6px;
}

.section-title {
    font-size: 20px;
    margin: 0 0 6px;
}

.section-subtitle {
    font-size: 13px;
    color: var(--muted);
    max-width: 640px;
}

/* SERVICES */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.card {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.95);
    background:
        radial-gradient(circle at 0 0, rgba(99, 102, 241, 0.16), rgba(15, 23, 42, 0.98));
    padding: 14px 14px 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.card-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
}

.card-title {
    font-size: 15px;
    margin: 0;
}

.card-text {
    font-size: 13px;
    color: var(--muted);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: var(--radius-pill);
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(148, 163, 184, 0.6);
    color: var(--muted);
}

/* CTA */

.cta {
    margin-top: 16px;
}

.cta-box {
    border-radius: 22px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 16px 18px;
    background:
        radial-gradient(circle at 0 0, rgba(168, 85, 247, 0.18), rgba(15, 23, 42, 0.98));
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.cta-text {
    font-size: 14px;
}

.cta-text span {
    font-size: 12px;
    color: var(--muted);
    display: block;
}

/* PROJETS (AVEC ILLUSTRATIONS) */

.projects-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.project-feature,
.project-grid {
    display: grid;
    gap: 14px;
}

.project-feature {
    grid-template-columns: minmax(0, 1fr);
}

.project-grid {
    grid-template-columns: minmax(0, 1fr);
}

.project-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(31, 41, 55, 0.95);
    background:
        radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), rgba(15, 23, 42, 0.98));
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.95);
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out;
}

.project-card--feature {
    box-shadow: 0 22px 64px rgba(0, 0, 0, 1);
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 1);
}

.project-inner {
    display: flex;
    flex-direction: column;
}

/* Illustration du projet */

.project-media {
    position: relative;
    width: 100%;
    padding-top: 55%; /* ratio approx. 16:9 */
    overflow: hidden;
    background: radial-gradient(circle at 0 0, rgba(15, 23, 42, 1), rgba(15, 23, 42, 0.9));
}

.project-media--small {
    padding-top: 60%;
}

.project-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-media-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--muted);
    background: repeating-linear-gradient(
        45deg,
        rgba(15, 23, 42, 1),
        rgba(15, 23, 42, 1) 10px,
        rgba(31, 41, 55, 1) 10px,
        rgba(31, 41, 55, 1) 20px
    );
}

/* Chrome type fenêtre */

.project-chrome {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.6));
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
    font-size: 11px;
    color: #9ca3af;
}

.project-dots {
    display: flex;
    gap: 4px;
}

.project-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: rgba(51, 65, 85, 1);
}

.project-dot:nth-child(1) { background: #f97373; }
.project-dot:nth-child(2) { background: #facc15; }
.project-dot:nth-child(3) { background: #34d399; }

.project-url {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 220px;
}

/* Contenu projet */

.project-body {
    padding: 12px 14px 14px;
    font-size: 13px;
    color: var(--muted);
}

.project-pill {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--muted);
    margin-bottom: 4px;
}

.project-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 4px;
}

.project-desc {
    font-size: 13px;
    margin-bottom: 8px;
}

.project-link {
    font-size: 11px;
    color: #a5b4fc;
}

.project-link a {
    color: #e5e7eb;
}

.project-link a:hover {
    text-decoration: underline;
}

/* À PROPOS & MÉTHODE */

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 24px;
}

.about-text {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}

.about-callout {
    font-size: 13px;
    padding: 12px 14px;
    border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(148, 163, 184, 0.6);
    margin-top: 14px;
}

.about-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: var(--muted);
}

.about-list li {
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    font-size: 13px;
    margin-top: 16px;
}

.step {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.95);
    background:
        radial-gradient(circle at 0 0, rgba(148, 163, 184, 0.25), rgba(15, 23, 42, 0.98));
    padding: 12px 12px 14px;
}

.step-number {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--muted);
    margin-bottom: 4px;
}

.step-title {
    font-size: 14px;
    margin: 0 0 4px;
}

.step-text {
    color: var(--muted);
}
/* USECASES (CE POUR QUOI ON M’APPELLE LE PLUS) */

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    font-size: 13px;
}

.usecase {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.95);
    background:
        radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), rgba(15, 23, 42, 0.98));
    padding: 12px 14px 14px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.9);
}

.usecase-title {
    font-size: 14px;
    margin: 0 0 4px;
    color: var(--text);
}

.usecase-text {
    font-size: 13px;
    color: var(--muted);
}

/* FAQ */

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    font-size: 13px;
}

.faq-item {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(31, 41, 55, 0.95);
    background:
        radial-gradient(circle at 0 0, rgba(148, 163, 184, 0.22), rgba(15, 23, 42, 0.98));
    padding: 12px 14px 14px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.9);
}

.faq-question {
    font-size: 14px;
    margin: 0 0 4px;
    color: var(--text);
}

.faq-answer {
    font-size: 13px;
    color: var(--muted);
}

/* Responsive pour usecases + FAQ */

@media (max-width: 1024px) {
    .usecases-grid,
    .faq-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}


/* CONTACT */

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 22px;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
}

.contact-list li {
    padding: 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
}

.contact-label {
    width: 80px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: #6b7280;
}

.contact-value strong {
    font-weight: 500;
    color: var(--text);
}

.contact-tip {
    font-size: 12px;
    color: var(--muted);
    margin-top: 10px;
}

.contact-card {
    border-radius: var(--radius-lg);
    border: 1px dashed rgba(148, 163, 184, 0.8);
    background: rgba(15, 23, 42, 0.98);
    padding: 14px 14px 12px;
    font-size: 12px;
    color: var(--muted);
}

.contact-card p {
    margin: 0 0 6px;
}

/* FOOTER */

footer {
    border-top: 1px solid rgba(31, 41, 55, 0.95);
    padding: 16px 0 20px;
    font-size: 11px;
    color: var(--muted);
}

.footer-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

footer a {
    color: var(--muted);
}

footer a:hover {
    color: var(--text);
}

/* ANIMATIONS SCROLL REVEAL */

[data-animate] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-right"] {
    transform: translateX(-16px);
}

[data-animate="fade-right"].is-visible {
    transform: translateX(0);
}

[data-animate="fade-left"] {
    transform: translateX(16px);
}

[data-animate="fade-left"].is-visible {
    transform: translateX(0);
}

/* RESPONSIVE */

@media (max-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .projects-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 880px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-visual {
        order: -1;
        margin-bottom: 8px;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 720px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .cards-grid,
    .project-grid,
    .process-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .cta-box {
        align-items: flex-start;
    }

    .hero {
        padding-top: 22px;
    }
}

/* ANIMATIONS D’APPARITION */

[data-animate] {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.6s ease-out,
        transform 0.6s ease-out,
        box-shadow 0.3s ease-out,
        background 0.3s ease-out;
}

[data-animate].is-visible {
    opacity: 1;
    transform: none;
}

/* Directions spécifiques */

[data-animate="fade-right"] {
    transform: translateX(-24px);
}

[data-animate="fade-left"] {
    transform: translateX(24px);
}

[data-animate="fade-up"] {
    transform: translateY(24px);
}

/* HOVER SUR CARTES (services, usecases, FAQ) */

.card,
.usecase,
.faq-item,
.step,
.contact-card {
    transition:
        transform 0.25s ease-out,
        box-shadow 0.25s ease-out,
        border-color 0.25s ease-out,
        background 0.25s ease-out;
}

.card:hover,
.usecase:hover,
.faq-item:hover,
.step:hover,
.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9);
    border-color: rgba(56, 189, 248, 0.45);
}

/* HOVER SUR LES PROJETS */

.project-card .project-inner {
    transition:
        transform 0.25s ease-out,
        box-shadow 0.25s ease-out,
        border-color 0.25s ease-out,
        background 0.25s ease-out;
}

.project-card:hover .project-inner {
    transform: translateY(-4px);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.95);
    border-color: rgba(129, 140, 248, 0.6);
}

.project-card--feature .project-inner {
    transition:
        transform 0.3s ease-out,
        box-shadow 0.3s ease-out,
        border-color 0.3s ease-out;
}

.project-card--feature:hover .project-inner {
    transform: translateY(-6px);
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.98);
    border-color: rgba(59, 130, 246, 0.8);
}

/* HÉRO – FLOTTEMENT DU BLOB ET DU DEVICE */

@keyframes float-slow {
    0% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, -10px, 0);
    }
    100% {
        transform: translate3d(0, 0, 0);
    }
}

@keyframes float-slow-alt {
    0% {
        transform: translate3d(0, 0, 0);
    }
    50% {
        transform: translate3d(0, 8px, 0);
    }
    100% {
        transform: translate3d(0, 0, 0);
    }
}

.hero-visual .blob {
    animation: float-slow 14s ease-in-out infinite;
}

.hero-visual .device-card {
    animation: float-slow-alt 18s ease-in-out infinite;
}
/* MICRO-INTERACTIONS BOUTONS */

.btn {
    transition:
        background 0.2s ease-out,
        color 0.2s ease-out,
        box-shadow 0.2s ease-out,
        transform 0.15s ease-out;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(56, 189, 248, 0.45);
}

.btn-ghost:hover {
    transform: translateY(-1px);
    background: radial-gradient(circle at top, rgba(148, 163, 184, 0.24), rgba(15, 23, 42, 0.95));
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.9);
}

/* RÉDUCTION DES ANIMATIONS SI PRÉFÉRÉ */

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    [data-animate] {
        opacity: 1 !important;
        transform: none !important;
    }
}