/* Fildlabs — Styles */

:root {
    /* Palette Fildlab */
    --color-bg: #252525;
    --color-bg-elevated: #353535;
    --color-bg-card: #3d3d3d;
    --color-primary: #3C6E71;
    --color-primary-light: #4a8588;
    --color-accent: #284B63;
    --color-text: #FFFFFF;
    --color-text-muted: #D9D9D9;
    --color-border: rgba(217, 217, 217, 0.15);
    --gradient-hero: linear-gradient(135deg, #4a8588 0%, #3C6E71 50%, #2d5a5d 100%);

    /* Responsive breakpoints (for reference in media queries) */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    --section-padding-y: 4rem;
}

@media (min-width: 640px) {
    :root {
        --container-padding: 2rem;
        --section-padding-y: 5rem;
    }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
        --section-padding-y: 6rem;
    }
}

/* Mode clair */
[data-theme="light"] {
    --color-bg: #f8f9fa;
    --color-bg-elevated: #ffffff;
    --color-bg-card: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-border: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .navbar {
    background: rgba(248, 249, 250, 0.9);
}

[data-theme="light"] .logo-img {
    filter: invert(1);
}

[data-theme="light"] .feature-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .nav-menu.is-open {
    background: var(--color-bg-elevated);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
}

.theme-toggle:hover {
    color: var(--color-primary);
    background: rgba(60, 110, 113, 0.1);
}

/* En mode sombre : afficher soleil (passer en clair) */
.theme-icon-dark {
    display: none;
}

.theme-icon-light {
    display: block;
}

/* En mode clair : afficher lune (passer en sombre) */
[data-theme="light"] .theme-icon-dark {
    display: block;
}

[data-theme="light"] .theme-icon-light {
    display: none;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
    transition: background-color 0.2s ease, color 0.2s ease;
}

h1, h2, h3 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem var(--container-padding);
    padding-top: max(1.25rem, env(safe-area-inset-top));
    background: rgba(37, 37, 37, 0.9);
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
}

.navbar .container {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0;
    min-width: 0;
    gap: 1rem;
}

.navbar .logo {
    min-width: 0;
    flex-shrink: 1;
    overflow: hidden;
}

.navbar .logo-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.navbar .container > .nav-toggle {
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--color-text);
}

.logo-img {
    width: 32px;
    height: 42px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text {
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-hero);
    color: white;
    box-shadow: 0 4px 20px rgba(60, 110, 113, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(60, 110, 113, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-header {
    width: 100%;
}

.hero-body {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
}

.hero-parallax-bg {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    width: min(800px, 100%);
    height: 800px;
    background: radial-gradient(ellipse, rgba(60, 110, 113, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-text {
    flex: 0 1 auto;
    max-width: 560px;
    position: relative;
    z-index: 1;
}

.hero-scene-wrapper {
    flex: 1;
    min-width: 380px;
    height: 520px;
    position: relative;
    align-self: flex-start;
}

@media (max-width: 768px) {
    .hero-scene-wrapper {
        display: none;
    }
    .hero-text {
        max-width: 100%;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 0;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 span {
   color: var(--color-primary-light);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item h3 {
    font-size: 2rem;
    color: var(--color-primary-light);
    font-family: 'Syne', sans-serif;
}

.stat-item p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Scroll animations (Intersection Observer) */
[data-scroll-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-scroll-animate="scale-up"] {
    transform: translateY(20px) scale(0.98);
}

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

/* Features Section */
.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title .label {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.container {
    max-width: 1280px;
    width: 100%;
    min-width: 0;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(60, 110, 113, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(60, 110, 113, 0.25), rgba(40, 75, 99, 0.25));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-icon .material-icons {
    font-size: 28px;
    color: var(--color-primary-light);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Process Section */
.process {
    background: var(--color-bg-elevated);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

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

@media (max-width: 640px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

.process-step {
    position: relative;
    padding: 2rem;
    background: var(--color-bg-card);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.process-step::before {
    content: attr(data-step);
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-hero);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
}

.process-step h3 {
    font-size: 1.125rem;
    margin: 1rem 0 0.5rem;
}

.process-step p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Testimonials - Carousel */
.testimonials-slider {
    position: relative;
}

.testimonials-track-container {
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.4s ease;
}

.testimonial-card {
    flex: 0 0 calc(50% - 0.75rem);
    min-width: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 2rem;
}

@media (max-width: 1024px) {
    .testimonial-card {
        flex: 0 0 calc(50% - 0.75rem);
    }
}

@media (max-width: 640px) {
    .testimonial-card {
        flex: 0 0 100%;
    }
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.testimonials-prev,
.testimonials-next {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}

.testimonials-prev:hover,
.testimonials-next:hover {
    color: var(--color-primary);
    border-color: rgba(60, 110, 113, 0.4);
    background: rgba(60, 110, 113, 0.1);
}

.testimonials-dots {
    display: flex;
    gap: 0.5rem;
}

.testimonials-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--color-border);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.testimonials-dot:hover {
    background: var(--color-text-muted);
}

.testimonials-dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

.testimonial-card .quote {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--color-text-muted);
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-hero);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: white;
}

.author-info strong {
    display: block;
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* CTA Section */
.cta {
    background: var(--color-bg-elevated);
    text-align: center;
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(60, 110, 113, 0.15) 0%, rgba(40, 75, 99, 0.12) 100%);
    border: 1px solid rgba(60, 110, 113, 0.35);
    border-radius: 24px;
    padding: 4rem;
}

.cta-box h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Mobile menu */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
}

.nav-toggle .nav-toggle-menu {
    display: block;
}

.nav-toggle .nav-toggle-close {
    display: none;
}

.nav-menu.is-open ~ .nav-toggle .nav-toggle-menu {
    display: none;
}

.nav-menu.is-open ~ .nav-toggle .nav-toggle-close {
    display: block;
}

/* Nav menu wrapper - desktop: flex row, mobile: dropdown */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu.is-open {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--color-bg-elevated);
    padding: 1.5rem var(--container-padding);
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
}

.nav-menu.is-open .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    order: 1;
}

.nav-menu.is-open .nav-links a {
    padding: 0.875rem 0;
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 1rem;
}

.nav-menu.is-open .theme-toggle {
    order: 2;
    align-self: center;
    margin: 0.25rem 0;
}

.nav-menu.is-open .nav-cta {
    order: 3;
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

/* ============================================
   RESPONSIVE — Mobile-first, breakpoints pro
   ============================================ */

/* Large mobile / Small tablet (640px) */
@media (max-width: 640px) {
    :root {
        --container-padding: 1rem;
    }

    .navbar {
        padding: 1rem var(--container-padding);
    }

    .hero {
        min-height: 100svh;
        padding: 6rem 0 3rem;
    }

    .hero h1 {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .hero-text p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2.5rem;
        padding-top: 1.5rem;
    }

    .stat-item h3 {
        font-size: 1.5rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        margin-bottom: 2.5rem;
    }

    .section-title h2 {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    .section-title p {
        font-size: 0.9375rem;
    }

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

    .feature-card {
        padding: 1.5rem;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .process-step {
        padding: 1.5rem 1rem;
    }

    .cta-box {
        padding: 2rem 1.5rem;
    }

    .cta-box h2 {
        font-size: 1.5rem;
    }

    .footer {
        padding: 2.5rem 0 2rem;
    }

    .footer .container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

/* Très petits écrans (< 375px) */
@media (max-width: 374px) {
    :root {
        --container-padding: 0.75rem;
    }

    .navbar {
        padding: 0.75rem 0.75rem;
    }

    .navbar .container {
        padding: 0 0.5rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-img {
        width: 28px;
        height: 36px;
    }

    .nav-menu.is-open {
        padding: 1.25rem var(--container-padding);
    }

    .nav-menu.is-open .nav-links a {
        padding: 0.75rem 0;
        min-height: 44px;
        font-size: 0.9375rem;
    }

    .hero h1 {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .hero p {
        font-size: 0.9375rem;
    }

    .section-title h2 {
        font-size: clamp(1.25rem, 4vw, 1.75rem);
    }

    .feature-card {
        padding: 1.25rem;
    }

    .cta-box {
        padding: 1.5rem 1rem;
    }

    .cta-box h2 {
        font-size: 1.25rem;
    }
}

/* Tablet et petits desktop (960px) - menu hamburger */
@media (max-width: 960px) {
    :root {
        --container-padding: 1.25rem;
    }

    .navbar .container {
        width: 100%;
    }

    .nav-menu:not(.is-open) {
        display: none;
    }

    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
        padding: 0.5rem;
    }
}

/* Tablet (768px) */
@media (max-width: 768px) {
    .hero {
        padding: 7rem 0 4rem;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 2rem;
        justify-content: center;
    }

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


/* Tablet landscape (1024px) */
@media (max-width: 1024px) and (min-width: 641px) {
    :root {
        --container-padding: 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

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

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

/* Desktop small (1280px) - container already handles this */
@media (min-width: 1281px) {
    :root {
        --container-padding: 2rem;
    }
}

/* Touch devices - ensure minimum touch targets */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-links a,
    .footer-links a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links a {
        padding: 0.75rem 0;
    }

    .feature-card:hover {
        transform: none;
    }
}

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