@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.9rem;
    }

    .split-layout {
        gap: 2rem;
    }

    .project-card {
        aspect-ratio: 16/9;
    }
}

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 0;
    color: var(--color-white);

    isolation: isolate;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--forest-90), var(--forest-70));
    z-index: -1;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: var(--weight-black);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-lg);
    max-width: 600px;
    color: var(--fg-on-dark);
}

.lead-text {
    font-size: var(--text-lead);
    color: var(--color-gray-light);
    margin-bottom: var(--space-xl);
    max-width: 550px;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero-content .animate-on-scroll:not(.visible) {
    transform: translateY(var(--reveal-shift-sm));
}

.hero-content .lead-text.animate-on-scroll    { transition-delay: 0.08s; }
.hero-content .hero-buttons.animate-on-scroll { transition-delay: 0.16s; }

.scroll-down-indicator {
    position: absolute;
    bottom: 6.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: var(--tap-target-min);
    min-height: var(--tap-target-min);
    border-radius: var(--radius-pill);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-header);
}

.scroll-down-indicator:hover {
    color: var(--color-white);
}

.scroll-down-indicator:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}

.scroll-down-indicator .material-symbols-outlined {
    font-size: 3.75rem;
    font-weight: var(--weight-medium);

    animation: scroll-hint 2s var(--ease-header) infinite;
}

@keyframes scroll-hint {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(8px); }
}

@media (prefers-reduced-motion: reduce) {
    .scroll-down-indicator .material-symbols-outlined {
        animation: none;
    }
}

@media (prefers-reduced-motion: reduce) {

    .hero-content .animate-on-scroll:not(.visible) {
        transform: none;
    }
}

.services-section {
    padding: 5rem 0;
    background-color: var(--white);
    background-image: var(--surface-halo);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.service-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: 1.75rem 1.75rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: center;
    text-align: center;
    transition: transform var(--duration-medium) var(--ease-card),
                box-shadow var(--duration-medium) ease,
                border-color var(--duration-medium) ease;
}

.service-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-hover);
}

.icon-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding-top: 0.25rem;
    color: var(--color-forest);
    transition: color var(--duration-medium) ease;
}

.icon-box .material-symbols-outlined {
    font-size: var(--icon-xl);
}

.icon-box::after {
    content: '';
    display: block;
    width: 1.75rem;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width var(--duration-medium) var(--ease-card),
                background var(--duration-base) ease;
}

.service-card:hover .icon-box {
    color: var(--color-primary-dark);
}

.service-card:hover .icon-box::after {
    width: 2.75rem;
    background: var(--color-primary-dark);
}

.card-content {
    width: 100%;
}

.card-content h3 {
    font-size: var(--text-h3);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    color: var(--color-forest);
    margin-bottom: 0.5rem;
}

.card-content p {
    font-size: 0.9rem;
    color: var(--fg2);
    line-height: var(--leading-relaxed);
}

.service-card:hover .card-link {
    color: var(--color-primary-dark);
}

@media (hover: hover) and (pointer: fine) {
    .service-card:hover {
        transform: translateY(-4px);
    }

    .service-card:hover .card-link span {
        transform: translateX(4px);
    }
}

.services-grid .service-card {
    transition-delay: var(--step-delay, 0s);
}

.projects-section {
    padding: 5rem 0;
}

.projects-header {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.projects-header h2 {
    font-size: var(--text-h2-sm);
    color: var(--color-forest);
}

.link-view-all {
    display: flex;
    align-items: center;
    color: var(--color-primary-dark);
    font-weight: var(--weight-bold);
}

.link-view-all span {
    font-size: 1.1rem;
    margin-left: 0.25rem;
    transition: transform var(--duration-fast) var(--ease-card);
}

.link-view-all:hover {
    color: var(--color-primary);
}

.link-view-all:hover span {
    transform: translateX(5px);
}

.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.75rem;
}

.project-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 10px 25px -8px var(--forest-20);
    cursor: pointer;
    isolation: isolate;
    transition: transform var(--duration-medium) var(--ease-card),
                box-shadow var(--duration-medium) ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-project-hover);
}

.project-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-reveal) var(--ease-card);
}

.project-card:hover .project-bg {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, var(--forest-95) 0%, var(--forest-55) 40%, transparent 75%);
    transition: opacity var(--duration-medium) ease;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 1.5rem 1.4rem;
    color: white;
    z-index: 2;
}

.project-info h3 {
    font-size: 1.15rem;
    font-weight: var(--weight-bold);
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: inherit;
}

.project-category {
    font-size: 0.68rem;
    font-weight: var(--weight-bold);
    color: var(--color-forest);
    background: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    display: inline-block;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    margin-bottom: 0.9rem;
}

.project-detail {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.78);
    margin-top: 0.5rem;
    line-height: 1.5;
    opacity: 0;
    max-height: 0;
    transform: translateY(8px);
    transition: opacity var(--duration-medium) ease,
                transform var(--duration-medium) var(--ease-card),
                max-height var(--duration-medium) ease;
}

.project-card:hover .project-detail {
    opacity: 1;
    transform: translateY(0);
    max-height: 4rem;
}

@media (hover: none) {
    .project-detail {
        opacity: 1;
        transform: translateY(0);
        max-height: 4rem;
    }
}

.tech-section {
    padding: 5rem 0;
    background-color: var(--surface-muted);
}

.split-layout {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: center;
}

.label-tech {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-badge);
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.tech-text h2 {
    font-size: var(--text-h2-sm);
    color: var(--color-forest);
    margin: 1rem 0;
}

.check-list {
    list-style: none;
    margin: 1.5rem 0;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-weight: var(--weight-medium);
}

.check-icon {
    color: var(--color-primary);
}

.tech-image-wrapper {
    width: 100%;
    position: relative;
    perspective: var(--perspective-screen);
}

.image-container {
    background-color: var(--color-forest);
    background-image: url("assets/plateforme-image.jpg");
    aspect-ratio: 16/9;
    border-radius: var(--radius-sm);
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow-screen);
    transform: rotateX(var(--tilt-screen));
    transform-origin: center bottom;
    transition: transform var(--duration-reveal) var(--ease-entrance);
}

.tech-image-wrapper.visible .image-container {
    transform: rotateX(0deg);
}

@media (prefers-reduced-motion: reduce) {
    .image-container,
    .tech-image-wrapper.visible .image-container {
        transform: none;
        transition: none;
    }
}

@media (min-width: 841px) {
    .hero-buttons {
        flex-direction: row;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

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

    .services-grid .service-card:nth-child(even) { --step-delay: 0.08s; }

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

@media (min-width: 950px) {

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .services-grid .service-card:nth-child(3n+1) { --step-delay: 0s; }
    .services-grid .service-card:nth-child(3n+2) { --step-delay: 0.08s; }
    .services-grid .service-card:nth-child(3n)   { --step-delay: 0.16s; }

    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .projects-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }

    .split-layout {
        flex-direction: row;
        align-items: center;
    }

    .tech-text,
    .tech-image-wrapper {
        flex: 1;
    }
}