/* ========================================
   appvlab — Landing
   Studio tech minimal
   ======================================== */

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

:root {
    --ink: #0A0A0F;
    --ink-2: #1A1A22;
    --text: #2A2A35;
    --text-2: #5A5A6A;
    --text-3: #8A8A98;
    --line: #ECECF1;
    --line-2: #DADAE2;
    --bg: #FFFFFF;
    --bg-2: #FAFAFB;
    --bg-3: #F4F4F7;
    --accent: #019B9D;
    --accent-2: #016A6C;
    --accent-soft: #E8F6F6;
    --shadow-xs: 0 1px 2px rgba(10, 10, 15, 0.04);
    --shadow-sm: 0 4px 16px rgba(10, 10, 15, 0.04);
    --shadow: 0 12px 40px rgba(10, 10, 15, 0.06);
    --radius: 16px;
    --radius-lg: 24px;
    --container: 1120px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.75rem;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ========================================
   Navigation
   ======================================== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 0.875rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0.1rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-mark {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    color: var(--accent);
    margin-right: 0.15rem;
    font-weight: 500;
}

.nav-links {
    display: flex;
    gap: 2.25rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-2);
    font-weight: 500;
    font-size: 0.93rem;
    transition: color 0.2s;
}

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

/* ========================================
   Hero
   ======================================== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    padding: 8rem 1.75rem 6rem;
    overflow: hidden;
    background: var(--bg);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 30%, transparent 80%);
    mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 30%, transparent 80%);
    opacity: 0.55;
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    text-align: center;
    z-index: 1;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.45rem 0.875rem;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 100px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-xs);
}

.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-soft);
}

.hero h1 {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--ink);
    margin-bottom: 1.75rem;
}

.hero h1 .accent {
    color: var(--accent);
    font-style: italic;
    font-weight: 600;
}

.hero .lead {
    font-size: clamp(1.05rem, 1.6vw, 1.2rem);
    color: var(--text-2);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.65;
}

.hero-actions {
    display: inline-flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--ink);
    color: var(--bg);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    background: var(--ink-2);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, var(--shadow);
}

.btn-ghost {
    color: var(--ink);
    background: transparent;
    border-color: var(--line-2);
}

.btn-ghost:hover {
    background: var(--bg-2);
    border-color: var(--text-3);
}

/* ========================================
   Manifesto (3 colonnes)
   ======================================== */
.manifesto {
    padding: 6rem 0;
    background: var(--bg);
    border-top: 1px solid var(--line);
}

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

.manifesto-item {
    position: relative;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.manifesto-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.manifesto-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.65rem;
    letter-spacing: -0.015em;
}

.manifesto-item p {
    font-size: 0.97rem;
    color: var(--text-2);
    line-height: 1.65;
}

/* ========================================
   Section header (commune)
   ======================================== */
.section-header {
    margin-bottom: 3.5rem;
    max-width: 700px;
}

.section-label {
    display: inline-block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-header h2,
.about h2,
.contact h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--ink);
    line-height: 1.15;
    letter-spacing: -0.025em;
}

/* ========================================
   Products
   ======================================== */
.products {
    padding: 7rem 0;
    background: var(--bg-2);
    border-top: 1px solid var(--line);
}

.product-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.25s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-xs);
}

.product-card:hover {
    border-color: var(--line-2);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.product-card:last-child {
    margin-bottom: 0;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
}

.product-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.product-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.product-status.soon {
    color: var(--text-3);
}

.product-status.soon::before {
    background: var(--text-3);
    box-shadow: 0 0 0 3px var(--bg-3);
}

.product-year {
    color: var(--text-3);
    margin-left: auto;
}

.product-body {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.product-card-soon .product-body {
    grid-template-columns: 1fr;
}

.product-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
}

.product-info h3 sup {
    font-size: 0.85rem;
    color: var(--text-3);
    margin-left: 0.15rem;
    vertical-align: super;
}

.product-tagline {
    font-size: 1.1rem;
    color: var(--ink);
    font-weight: 500;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.product-desc {
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.97rem;
}

.product-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.product-tags li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-2);
    padding: 0.35rem 0.7rem;
    background: var(--bg-3);
    border-radius: 6px;
    letter-spacing: 0.02em;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.65rem 1.1rem;
    border: 1px solid var(--line-2);
    border-radius: 10px;
    transition: all 0.2s ease;
}

.product-link svg {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
}

.product-link:hover {
    background: var(--ink);
    color: var(--bg);
    border-color: var(--ink);
}

.product-link:hover svg {
    transform: translateX(3px);
}

.product-visual {
    aspect-ratio: 4 / 5;
    background: linear-gradient(150deg, var(--ink) 0%, var(--ink-2) 60%, #0F2A3F 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-visual::before,
.product-visual::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.45;
    pointer-events: none;
}

.product-visual::before {
    width: 220px;
    height: 220px;
    background: var(--accent);
    top: -60px;
    right: -60px;
}

.product-visual::after {
    width: 180px;
    height: 180px;
    background: #0066CC;
    bottom: -60px;
    left: -40px;
}

.product-visual-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
    color: var(--bg);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.product-visual-mark {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.35rem;
    color: var(--accent);
    font-weight: 500;
}

.product-card-soon {
    background: var(--bg-2);
    border: 1px dashed var(--line-2);
    box-shadow: none;
}

.product-card-soon:hover {
    transform: none;
    box-shadow: none;
}

.product-card-soon .product-info h3 {
    font-size: 1.35rem;
}

/* ========================================
   About
   ======================================== */
.about {
    padding: 7rem 0;
    background: var(--bg);
    border-top: 1px solid var(--line);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-2);
    margin-bottom: 1.25rem;
    font-size: 1.02rem;
    line-height: 1.75;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-card {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.75rem;
}

.about-card dl {
    display: flex;
    flex-direction: column;
}

.about-card dl > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.93rem;
}

.about-card dl > div:last-child {
    border-bottom: none;
}

.about-card dt {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.about-card dd {
    color: var(--ink);
    font-weight: 600;
}

/* ========================================
   Contact
   ======================================== */
.contact {
    padding: 7rem 0;
    background: var(--bg-2);
    border-top: 1px solid var(--line);
}

.contact-card {
    background: var(--ink);
    color: var(--bg);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 100%, rgba(1, 155, 157, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 0%, rgba(0, 102, 204, 0.14) 0%, transparent 55%);
    pointer-events: none;
}

.contact-card > * {
    position: relative;
    z-index: 1;
}

.contact-card .section-label {
    color: var(--accent);
}

.contact-card h2 {
    color: var(--bg);
    margin-bottom: 1rem;
}

.contact-card p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 500px;
    margin: 0 auto 2rem;
    font-size: 1.02rem;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--bg);
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    padding: 1rem 1.75rem;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-email svg {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}

.contact-email:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.contact-email:hover svg {
    transform: translateX(3px);
}

.contact-secondary {
    margin-top: 1.5rem;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
}

.contact-secondary a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.contact-secondary a:hover {
    border-bottom-color: var(--accent);
}

/* ========================================
   Footer
   ======================================== */
footer {
    background: var(--bg);
    border-top: 1px solid var(--line);
    padding: 4rem 0 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--line);
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-2);
    font-size: 0.93rem;
    line-height: 1.65;
    max-width: 340px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.footer-links h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    font-weight: 500;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.93rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    color: var(--text-3);
    font-size: 0.85rem;
}

.footer-mono {
    font-family: 'JetBrains Mono', monospace;
}

/* ========================================
   Legal pages
   ======================================== */
.legal-page {
    padding: 8rem 1.75rem 5rem;
    background: var(--bg);
    min-height: 100vh;
}

.legal-container {
    max-width: 720px;
    margin: 0 auto;
}

.legal-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
}

.legal-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

.legal-update {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-3);
    font-size: 0.85rem;
}

.legal-content section {
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.legal-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.005em;
}

.legal-content p {
    color: var(--text-2);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.legal-content ul,
.legal-content ol {
    color: var(--text-2);
    line-height: 1.75;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-content li {
    margin-bottom: 0.4rem;
}

.legal-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
    word-break: break-word;
}

.legal-content a:hover {
    border-bottom-color: var(--accent);
}

/* Sommaire (TOC) */
.legal-toc {
    list-style: none;
    counter-reset: toc-counter;
    padding-left: 0;
    margin-top: 0.5rem;
    border-left: 2px solid var(--line);
}

.legal-toc li {
    counter-increment: toc-counter;
    padding: 0.45rem 0 0.45rem 1.25rem;
    position: relative;
    margin-bottom: 0;
}

.legal-toc li::before {
    content: counter(toc-counter) ".";
    position: absolute;
    left: -2px;
    top: 0.5rem;
    width: 2rem;
    text-align: right;
    padding-right: 0.5rem;
    background: var(--bg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    font-weight: 500;
}

.legal-toc a {
    color: var(--text);
    border-bottom: none;
}

.legal-toc a:hover {
    color: var(--accent);
}

/* Tables légales */
.legal-table {
    margin: 1.25rem 0 1.5rem;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--bg-2);
}

.legal-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.legal-table th,
.legal-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
    line-height: 1.6;
}

.legal-table th {
    background: var(--bg-3);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.legal-table tr:last-child td {
    border-bottom: none;
}

.legal-table td {
    color: var(--text-2);
}

.legal-table td strong {
    color: var(--ink);
    font-weight: 600;
}

@media (max-width: 600px) {
    .legal-table th,
    .legal-table td {
        padding: 0.7rem 0.75rem;
        font-size: 0.85rem;
    }
}

.legal-back {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

.legal-back a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-2);
    text-decoration: none;
    font-size: 0.93rem;
    font-weight: 500;
    transition: color 0.2s;
}

.legal-back a:hover {
    color: var(--ink);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 880px) {
    nav {
        padding: 0.75rem 1.25rem;
    }

    .nav-links {
        gap: 1.25rem;
    }

    .nav-links a {
        font-size: 0.88rem;
    }

    .hero {
        padding: 7rem 1.25rem 4rem;
        min-height: auto;
    }

    .hero-content {
        text-align: left;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero .lead {
        margin-left: 0;
        margin-right: 0;
    }

    .manifesto {
        padding: 4rem 0;
    }

    .manifesto-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .products,
    .about,
    .contact {
        padding: 4rem 0;
    }

    .product-card {
        padding: 1.5rem;
    }

    .product-body {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .product-visual {
        aspect-ratio: 16 / 10;
        order: -1;
    }

    .product-info h3 {
        font-size: 1.45rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .contact-card {
        padding: 3rem 1.5rem;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .nav-links li:nth-child(2) {
        display: none;
    }

    .product-meta {
        flex-wrap: wrap;
    }

    .product-year {
        margin-left: 0;
        flex-basis: 100%;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}