/* Landing page — effets & mise en page immersive */

.landing-page {
    overflow-x: hidden;
    background: var(--bg-base);
}

.landing-page .landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0.75rem 0;
    transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
    border-bottom: 1px solid transparent;
}

.landing-page .landing-header.is-scrolled {
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(16px) saturate(1.4);
    border-bottom-color: var(--border-subtle);
}

.landing-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    z-index: 101;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    box-shadow: 0 0 12px var(--accent-glow);
    transition: width 0.08s linear;
}

/* Fond FX */
#landing-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.55;
}

.landing-fx {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.landing-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    animation: landing-orb-float 18s ease-in-out infinite;
}

.landing-orb-1 {
    width: 55vw;
    height: 55vw;
    max-width: 520px;
    max-height: 520px;
    top: -15%;
    left: -10%;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}

.landing-orb-2 {
    width: 45vw;
    height: 45vw;
    max-width: 420px;
    max-height: 420px;
    bottom: 10%;
    right: -8%;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation-delay: -6s;
}

.landing-orb-3 {
    width: 30vw;
    height: 30vw;
    max-width: 280px;
    max-height: 280px;
    top: 40%;
    left: 35%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.5) 0%, transparent 70%);
    animation-delay: -12s;
    opacity: 0.25;
}

@keyframes landing-orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(4%, 6%) scale(1.05); }
    66% { transform: translate(-3%, 2%) scale(0.95); }
}

.landing-grid-perspective {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 200%;
    height: 45vh;
    transform: translateX(-50%) rotateX(72deg);
    transform-origin: center top;
    background-image:
        linear-gradient(rgba(6, 182, 212, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to top, black 0%, transparent 85%);
    opacity: 0.35;
    animation: landing-grid-pulse 8s ease-in-out infinite;
}

@keyframes landing-grid-pulse {
    0%, 100% { opacity: 0.25; }
    50% { opacity: 0.45; }
}

.landing-noise {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.landing-spotlight {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.07) 0%, transparent 65%);
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
}

.landing-page:not(.reduce-motion) .landing-spotlight {
    opacity: 1;
}

/* Sections au-dessus du fond */
.landing-page > header,
.landing-page > main,
.landing-page > footer {
    position: relative;
    z-index: 2;
}

/* Hero */
.landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 7rem 0 4rem;
    position: relative;
}

.landing-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.landing-hero-copy {
    max-width: 560px;
}

.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    background: rgba(6, 182, 212, 0.06);
    border: 1px solid rgba(6, 182, 212, 0.2);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-mono);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    animation: landing-badge-glow 3s ease-in-out infinite;
}

@keyframes landing-badge-glow {
    0%, 100% { box-shadow: 0 0 0 rgba(6, 182, 212, 0); }
    50% { box-shadow: 0 0 24px rgba(6, 182, 212, 0.15); }
}

.landing-hero-title {
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    line-height: 1.08;
    font-weight: 800;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.landing-hero-title .line {
    display: block;
}

.landing-hero-title .gradient-shift {
    background: linear-gradient(
        120deg,
        var(--text-primary) 0%,
        var(--accent) 35%,
        var(--primary) 65%,
        var(--text-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: landing-gradient-shift 6s linear infinite;
}

@keyframes landing-gradient-shift {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.landing-hero-sub {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 2rem;
}

.landing-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.landing-hero-metrics {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.landing-hero-metric {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.landing-hero-metric strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-top: 0.15rem;
}

.landing-hero-metric strong span {
    color: var(--accent);
}

/* Mockup 3D */
.landing-mockup-wrap {
    perspective: 1400px;
    position: relative;
}

.landing-mockup-wrap::before {
    content: '';
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle at 50% 50%, var(--accent-glow), transparent 55%);
    opacity: 0.5;
    z-index: -1;
}

.landing-mockup-card {
    transform-style: preserve-3d;
    will-change: transform;
    transition: box-shadow 0.4s;
}

.landing-mockup-card.is-tilting {
    transition: none;
}

.landing-mockup-card .hero-mockup-card {
    transform: none;
}

.landing-mockup-card:hover .hero-mockup-card {
    transform: none;
}

.landing-chart-line {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: landing-draw-line 3s ease forwards infinite alternate;
}

@keyframes landing-draw-line {
    to { stroke-dashoffset: 0; }
}

.landing-pulse-dot {
    animation: landing-pulse 2s ease-in-out infinite;
}

@keyframes landing-pulse {
    0%, 100% { r: 3; opacity: 1; }
    50% { r: 5; opacity: 0.6; }
}

/* Marquee */
.landing-marquee-wrap {
    padding: 1.25rem 0;
    border-block: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.4);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.landing-marquee-track {
    display: flex;
    gap: 2.5rem;
    width: max-content;
    animation: landing-marquee 40s linear infinite;
}

.landing-marquee-track:hover {
    animation-play-state: paused;
}

@keyframes landing-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.landing-marquee-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.landing-marquee-item i {
    width: 14px;
    height: 14px;
    color: var(--accent);
}

/* Bento features */
.landing-section {
    padding: 6rem 0;
    position: relative;
}

.landing-section-alt {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, transparent 100%);
    border-top: 1px solid var(--border-subtle);
}

.landing-section-head {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 3rem;
}

.landing-section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 0.75rem;
}

.landing-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}

.landing-bento-card {
    grid-column: span 4;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s;
}

.landing-bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(6, 182, 212, 0.12), transparent 40%);
    opacity: 0;
    transition: opacity 0.35s;
}

.landing-bento-card:hover::before {
    opacity: 1;
}

.landing-bento-card:hover {
    transform: translateY(-6px);
    border-color: rgba(6, 182, 212, 0.25);
}

.landing-bento-card.span-8 { grid-column: span 8; }
.landing-bento-card.span-6 { grid-column: span 6; }

.landing-bento-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 1px solid var(--border-medium);
}

/* Pipeline animé */
.landing-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    margin: 3rem 0 0;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: rgba(0, 0, 0, 0.35);
}

.landing-pipeline-step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 1rem;
    position: relative;
}

.landing-pipeline-step .step-num {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.landing-pipeline-connector {
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    position: relative;
    overflow: hidden;
}

.landing-pipeline-connector::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, white, transparent);
    animation: landing-connector-scan 2s linear infinite;
}

@keyframes landing-connector-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Pricing spotlight */
.landing-pricing-card {
    position: relative;
}

.landing-pricing-card .pricing-card {
    height: 100%;
}

.landing-pricing-glow {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    background: conic-gradient(from var(--angle, 0deg), var(--accent), var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.4s;
    z-index: -1;
    filter: blur(8px);
}

.landing-pricing-card:hover .landing-pricing-glow {
    opacity: 0.35;
}

/* Stats */
.landing-stat-card {
    padding: 1.5rem 2rem;
    min-width: 200px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-subtle);
    transition: transform 0.3s, border-color 0.3s;
}

.landing-stat-card:hover {
    transform: scale(1.03);
    border-color: var(--border-focus);
}

.landing-stat-value {
    font-size: 2rem;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* Reveal scroll */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    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: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* CTA final */
.landing-cta-band {
    margin: 4rem auto 0;
    max-width: 720px;
    padding: 3rem 2rem;
    text-align: center;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-medium);
    background:
        radial-gradient(ellipse at 50% 0%, var(--primary-glow), transparent 60%),
        rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.landing-cta-band::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 1px;
    top: 0;
    left: -50%;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    animation: landing-cta-scan 4s linear infinite;
}

@keyframes landing-cta-scan {
    0% { transform: translateX(-30%); }
    100% { transform: translateX(30%); }
}

/* Magnetic btn helper */
.btn-magnetic {
    position: relative;
    display: inline-flex;
}

/* Term line enter */
.term-line.is-new {
    animation: landing-term-in 0.4s ease forwards;
}

@keyframes landing-term-in {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 0.85;
        transform: translateX(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .landing-hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .landing-hero-copy {
        max-width: 100%;
        margin: 0 auto;
    }

    .landing-hero-actions,
    .landing-hero-metrics {
        justify-content: center;
    }

    .landing-bento-card,
    .landing-bento-card.span-8,
    .landing-bento-card.span-6 {
        grid-column: span 12;
    }

    .mockup-body {
        grid-template-columns: 1fr;
    }

    .landing-nav-links {
        display: none;
    }
}

@media (max-width: 640px) {
    .landing-pipeline-connector {
        display: none;
    }

    .landing-pipeline {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    .landing-page.reduce-motion *,
  .landing-page.reduce-motion *::before,
  .landing-page.reduce-motion *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    #landing-canvas,
    .landing-spotlight {
        display: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}