:root {
    --texture-paper: url("../media/texture-paper.webp");
    --img-performance: url("../media/icon_performance.gif");
    --img-ia: url("../media/icon_ia_use.gif");
    --img-code: url("../media/icon_your_code.gif");
    --img-maintenance: url("../media/icon_maintenance.svg");
    --img-integrations: url("../media/icon_integrations.svg");
    --img-rewrite: url("../media/icon_rewrite.svg");
}

@media (prefers-color-scheme: dark) {
    :root {
        --texture-paper: url("../media/texture-paper_dark.webp");
        --img-performance: url("../media/icon_performance_dark.gif");
        --img-ia: url("../media/icon_ia_use_dark.gif");
        --img-code: url("../media/icon_your_code_dark.gif");
        --img-maintenance: url("../media/icon_maintenance_dark.svg");
        --img-integrations: url("../media/icon_integrations_dark.svg");
        --img-rewrite: url("../media/icon_rewrite_dark.svg");
    }
}

.hero {
    padding: 4rem 0 3rem;
    background: var(--hero-bg);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 3rem;
    align-items: center;
    justify-items: center;
}

.hero__copy {
    text-align: center;
    max-width: 48rem;
    margin-inline: auto;
}

.hero__kicker {
    font-size: clamp(0.75rem, 1.2vw, 0.9rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-muted);
    margin-bottom: 0.5rem;
}

.hero__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    margin: 0 0 0.75rem;
}

.hero__lead {
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    max-width: 34rem;
    margin: 0 auto 1.25rem;
}

.hero__meta {
    font-size: clamp(0.8rem, 1.2vw, 0.9rem);
    color: var(--ink-muted);
    margin: 0.5rem auto 0;
    max-width: 40rem;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 0.5rem;
    justify-content: center;
}

.hero__badge {
    justify-self: center;
}

.hero__badge-img {
    width: min(260px, 70vw);
    border-radius: 999px;
    box-shadow: var(--shadow-hero-badge);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.7rem, 1.2vw, 0.85rem) clamp(1.2rem, 2vw, 1.6rem);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    background: var(--button-gradient);
    color: var(--ink-on-dark);
    font-weight: 600;
    font-size: clamp(0.85rem, 1.2vw, 0.95rem);
    letter-spacing: 0.06em;
    text-decoration: none;
    box-shadow: var(--shadow-button);
    transition: background 150ms ease, transform 120ms ease, box-shadow 150ms ease, color 150ms ease, border-color 150ms ease;
}

.button:hover,
.button:focus-visible {
    background: var(--button-gradient-hover);
    color: var(--ink-on-dark);
    border-color: rgba(0, 0, 0, 0.12);
    transform: scale(1.025);
    box-shadow: var(--shadow-button-hover);
    outline: none;
}

.section-title {
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
    margin: 0 0 1.2rem;
    color: var(--brand-teal-deep);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.45rem;
    width: 3rem;
    height: 0.2rem;
    border-radius: 999px;
    background: var(--section-underline);
}

.strip {
    padding: 3.5rem 0;
    background-color: var(--bg-paper);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.strip--tri {
    position: relative;
    background-color: var(--bg-paper);
    background-size: cover;
    background-position: center;
    background-image: var(--texture-paper);
    overflow: hidden;
}

:root[data-theme="dark"] .strip--tri::before,
:root[data-theme="dark"] .strip--tri::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 80px;
    pointer-events: none;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5), transparent);
    filter: blur(2rem);
}

:root[data-theme="dark"] .strip--tri::before {
    top: 0;
}

:root[data-theme="dark"] .strip--tri::after {
    bottom: 0;
    transform: rotate(180deg);
}

:root[data-theme="dark"] .strip--tri {
    background-blend-mode: screen;
}

.strip__inner {
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
}

.strip__lead {
    margin-top: 0.5rem;
}

.list,
.menu,
.steps {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list--bullets .list__item {
    position: relative;
    padding-left: 1.9rem;
    margin-bottom: 0.9rem;
    font-size: clamp(0.9rem, 1.2vw, 0.98rem);
}

.list--bullets .list__item::before {
    content: "";
    width: 0.95rem;
    height: 0.95rem;
    border-radius: 0.35rem;
    border: 2px solid var(--border-strong);
    background: var(--bullet-bg);
    position: absolute;
    left: 0;
    top: 0.35rem;
    box-shadow: var(--shadow-chip);
}

.features {
    padding: 3.5rem 0 2.5rem;
}

.features__inner {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
}

.feature {
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.4rem;
    background: var(--feature-card-bg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-subtle);
    text-align: left;
}

.feature__icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.9rem;
    margin-bottom: 0.6rem;
    box-shadow: var(--shadow-chip);
    padding: 0.25rem;
    background: var(--chip-bg-gradient);
}

#icon-performance {
    content: var(--img-performance);
}

#icon-ia {
    content: var(--img-ia);
}

#icon-code {
    content: var(--img-code);
}

#icon-maintenance {
    content: var(--img-maintenance);
}

#icon-integrations {
    content: var(--img-integrations);
}

#icon-rewrite {
    content: var(--img-rewrite);
}

.feature__title {
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    margin: 0 0 0.5rem;
}

.feature__text {
    margin: 0;
    font-size: clamp(0.85rem, 1.2vw, 0.95rem);
    color: var(--ink-muted);
}

.platforms {
    padding: 3.5rem 0;
}

.platforms__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
}

.platform-card {
    position: relative;
    border-radius: 1.2rem;
    padding: 1.4rem 1.4rem 1.4rem 1.8rem;
    background: var(--platform-card-bg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-card);
}

.platform-card::before {
    content: "";
    position: absolute;
    inset-block: 1.2rem;
    left: 0.9rem;
    width: 3px;
    border-radius: 999px;
    background: var(--section-underline);
}

.platform-card__icon {
    width: 2rem;
    height: 2rem;
    margin-bottom: 0.25rem;
}

.philosophy {
    padding: 3.5rem 0;
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
    background: var(--philosophy-bg);
}

.philosophy__inner {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.philosophy__lead {
    margin-top: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--ink-mid);
}

.philosophy__list .list__item {
    margin-bottom: 0.85rem;
}

.services {
    padding: 3.5rem 0;
}

.services__grid {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
    gap: 2.5rem;
    align-items: flex-start;
}

.menu {
    border-radius: var(--radius-lg);
    background: var(--menu-card-bg);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
}

.menu__row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.2rem;
    border-bottom: 1px dashed var(--border-dashed-soft);
}

.menu__row:last-child {
    border-bottom: none;
}

.menu__icon img {
    width: 4rem;
    height: 4rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-chip);
    display: block;
}

.menu__content {
    align-self: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.menu__title {
    font-weight: 600;
    text-align: center;
}

.menu__desc {
    font-size: clamp(0.85rem, 1.2vw, 0.9rem);
    color: var(--accent-muted);
}

.services__aside {
    padding: 1.6rem 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--services-aside-bg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-soft);
}

.services__title {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.services__text {
    margin: 0 0 0.9rem;
    font-size: clamp(0.9rem, 1.2vw, 0.96rem);
    color: var(--ink-mid);
}

.process {
    padding: 3.5rem 0;
    background: var(--process-bg);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.process__intro {
    max-width: 44rem;
    margin: 0 0 1.8rem;
    color: var(--ink-mid);
}

.steps {
    margin: 0 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.steps__item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--process-step-bg);
    border: 1px solid var(--step-border);
    box-shadow: var(--shadow-step);
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.steps__item::before {
    content: "";
    position: absolute;
    left: 0.9rem;
    top: 0.9rem;
    bottom: 0.9rem;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--step-accent), var(--step-accent-deep));
    opacity: 0.35;
}

.steps__item:hover,
.steps__item:focus-within {
    transform: translateY(2px);
    border: 1px solid var(--step-accent);
    box-shadow: 0 14px 28px rgba(31, 107, 98, 0.22);
}

.steps__text {
    font-size: clamp(0.85rem, 1.2vw, 0.95rem);
    color: var(--ink-dark);
}

.steps__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 0.6rem;
    border-radius: 0.6rem;
    background: var(--chip-bg-gradient);
    color: var(--ink-mid);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: var(--shadow-chip);
}

.faqs {
    padding: 3.5rem 0;
}

.faqs details {
    margin-bottom: 0.9rem;
    background: var(--bg-card);
    border-radius: 0.9rem;
    border: 1px solid var(--border-soft);
    padding: 0.8rem 1rem;
}

.faqs summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}

.faqs summary::-webkit-details-marker {
    display: none;
}

.faqs summary::after {
    content: "+";
    float: right;
}

.faqs details[open] summary::after {
    content: "−";
}

.faqs p {
    margin-top: 0.6rem;
    font-size: clamp(0.85rem, 1.2vw, 0.95rem);
    color: var(--ink-mid);
}

.cta {
    padding: 3.5rem 0 4rem;
    text-align: center;
}

.cta__title {
    margin: 0 0 1rem;
    max-width: 34rem;
    margin-inline: auto;
}

.cta__button {
    margin-top: 1rem;
    margin-bottom: 0.8rem;
}

.cta__note {
    margin: 0.35rem auto 0;
    color: var(--accent-muted);
    max-width: 40rem;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
}

.paint-reveal {
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.45s ease-out, transform 0.45s ease-out;
}

.paint-reveal::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--paint-reveal-bg);
    transform: translateX(-110%);
    mix-blend-mode: multiply;
}

.paint-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.paint-reveal.is-visible::before {
    animation: paint-swipe 0.7s ease-out forwards;
}

.hero__lead,
.strip--tri,
.list--bullets .list__item,
.feature__text,
.menu__desc {
    text-wrap: wrap;
    text-align: justify;
    hyphens: none;
    overflow-wrap: break-word;
    word-break: normal;
    text-align-last: left;
}

@keyframes paint-swipe {
    0% {
        transform: translateX(-110%);
    }
    50% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(110%);
    }
}

@media (max-width: 57.5rem) {
    .hero__inner {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero__badge {
        order: -1;
    }
    .strip__inner {
        grid-template-columns: minmax(0, 1fr);
    }
    .features__inner {
        grid-template-columns: minmax(0, 1fr);
    }
    .platforms__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .philosophy__inner {
        grid-template-columns: minmax(0, 1fr);
    }
    .services__grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 48rem) {
    .features__inner {
        gap: 1.25rem;
    }
    .platforms__grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .menu__row {
        grid-template-columns: minmax(0, 1fr);
    }
    .steps {
        grid-template-columns: 1fr;
    }
    .platform-card__text {
        text-wrap: wrap;
        text-align: justify;
        hyphens: none;
        overflow-wrap: break-word;
        word-break: normal;
        text-align-last: left;
    }
    .menu__icon img {
        width: 2.5rem;
        height: 2.5rem;
    }
    .section-title {
        display: block;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        padding-bottom: .5rem;
        width: fit-content;
    }
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
        padding-bottom: .5rem;
        width: 12rem;
    }
}