:root {
    --color-bg: #F4F1EE;
    --color-text: #1D1D1B;
    --color-light: #DDD6CD;
    --color-accent: #675643;

    --font-main: "Roboto", Arial, Helvetica, sans-serif;

    --container: 1400px;
    --page-padding: 20px;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 7rem;

    --transition: 220ms ease;
}

/* =========================================
   FONTS
========================================= */

@font-face {
    font-family: "Roboto";
    src: url("../fonts/Roboto-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    src: url("../fonts/Roboto-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}


/* =========================================
   RESET
========================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-width: 100%;
}

button,
input,
textarea,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

button {
    border: 0;
    background: none;
    color: inherit;
    cursor: pointer;
}


/* =========================================
   GLOBAL
========================================= */

body {
    overflow-x: hidden;
}

main {
    overflow: hidden;
}

.section {
    padding: var(--space-xl) var(--page-padding);
}

.eyebrow {
    margin-bottom: 0.8rem;
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-number {
    margin: 0;
    color: var(--color-accent);
    font-size: 0.75rem;
    letter-spacing: 0.14em;
}

.section-heading {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(2.15rem, 10vw, 4rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
    font-weight: 700;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-size: 0.95rem;
}

.text-link span {
    transition: transform var(--transition);
}

.text-link:hover span {
    transform: translate(3px, -3px);
}


/* =========================================
   HEADER
========================================= */

.site-header {
    position: absolute;
    z-index: 20;
    top: 0;
    left: 0;
    width: 100%;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px var(--page-padding);
}

.site-logo {
    position: relative;
    z-index: 30;
    width: 92px;
}

.site-logo img {
    width: 100%;
    height: auto;
}

.menu-toggle {
    position: relative;
    z-index: 30;
    display: flex;
    width: 42px;
    height: 42px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.menu-toggle span {
    width: 24px;
    height: 1.5px;
    background: var(--color-text);
    transition:
        transform var(--transition),
        opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4.25px) rotate(-45deg);
}

body.menu-open {
    overflow: hidden;
}

.button:disabled {
    opacity: 0.6;
    cursor: wait;
}

.main-navigation {
    position: fixed;
    z-index: 20;
    inset: 0;
    display: flex;
    align-items: flex-end;
    padding: 120px var(--page-padding) 60px;
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition:
        opacity var(--transition),
        transform var(--transition),
        visibility var(--transition);
}

.main-navigation.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation ul {
    width: 100%;
}

.main-navigation li {
    border-bottom: 1px solid var(--color-light);
}

.main-navigation a {
    display: flex;
    justify-content: space-between;
    padding: 1.25rem 0;
    font-size: clamp(2rem, 10vw, 3.5rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
}


/* =========================================
   HERO
========================================= */

.hero {
    min-height: 100svh;
    padding:
        120px
        var(--page-padding)
        42px;
}

.hero__intro {
    position: relative;
    z-index: 3;
    margin-bottom: 2.2rem;
}

.hero h1 {
    max-width: 8ch;
    margin-bottom: 1rem;
    font-size: clamp(3.5rem, 16vw, 6rem);
    font-weight: 700;
    line-height: 0.86;
    letter-spacing: -0.065em;
    text-transform: uppercase;
}

.hero__location {
    margin: 0;
    color: var(--color-accent);
    font-size: 0.95rem;
}

.hero-slider {
    position: relative;
    margin-right: calc(var(--page-padding) * -1);
}

.hero-slider__track {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.hero-slider__track::-webkit-scrollbar {
    display: none;
}

.hero-slide {
    flex: 0 0 84vw;
    scroll-snap-align: start;
}

.image-placeholder {
    position: relative;
    display: grid;
    overflow: hidden;
    place-items: center;
    background:
        linear-gradient(
            135deg,
            #E8E3DC 0%,
            #D9D1C7 100%
        );
    color: var(--color-accent);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.image-placeholder::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            -45deg,
            transparent 0,
            transparent 18px,
            rgba(103, 86, 67, 0.05) 18px,
            rgba(103, 86, 67, 0.05) 19px
        );
}

.image-placeholder img {
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.image-placeholder span {
    position: relative;
    z-index: 1;
}

.image-placeholder--hero {
    aspect-ratio: 0.8;
}

.hero-slide__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 0 0;
    color: var(--color-accent);
    font-size: 0.75rem;
}

.hero-slide__meta p {
    margin: 0;
}

.hero-slider__controls {
    display: none;
}

.hero__footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 2rem;
}

.hero__footer img {
    display: block;
    width: 50%;
    max-width: 300px;
    height: auto;
    object-fit: contain;
}


/* =========================================
   SERVICES
========================================= */

.services-list {
    border-top: 1px solid var(--color-light);
}

.service-item {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 0.8rem 1rem;
    padding: 1.6rem 0;
    border-bottom: 1px solid var(--color-light);
}

.service-item__number {
    grid-row: 1 / span 2;
    margin: 0;
    color: var(--color-accent);
    font-size: 0.75rem;
}

.service-item h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
}

.service-item > p:last-child {
    max-width: 42rem;
    margin: 0;
    color: var(--color-accent);
    font-size: 0.95rem;
}


/* =========================================
   PROJECTS
========================================= */

.projects-list {
    display: grid;
    gap: 4rem;
}

.project-card {
    max-width: 720px;
}

.project-card--offset {
    margin-left: 12vw;
}

.image-placeholder--project {
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.image-placeholder--project img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.project-card__content {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1rem;
}

.project-card__location {
    margin-bottom: 0.25rem;
    color: var(--color-accent);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.project-card h3 {
    margin: 0;
    font-size: 1.2rem;
}

.project-card__type {
    max-width: 120px;
    margin: 0;
    color: var(--color-accent);
    font-size: 0.78rem;
    text-align: right;
}

/* =========================================
   BEFORE / AFTER
========================================= */

.before-after {
    --position: 50%;

    position: relative;
    width: 100%;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--color-light);

    cursor: ew-resize;

    /*
     * Permet de continuer à scroller verticalement
     * sur mobile tout en capturant le geste horizontal.
     */
    touch-action: pan-y;

    user-select: none;
    -webkit-user-select: none;
}

.before-after__image {
    position: absolute;
    inset: 0;

    display: block;

    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: center;

    pointer-events: none;
}

.before-after__after {
    position: absolute;
    inset: 0;

    overflow: hidden;

    clip-path: inset(
        0
        calc(100% - var(--position))
        0
        0
    );
}

.before-after__label {
    position: absolute;
    z-index: 3;
    top: 16px;

    padding: 0.45rem 0.65rem;

    background: rgba(244, 241, 238, 0.85);
    backdrop-filter: blur(6px);

    color: var(--color-text);

    font-size: 0.7rem;
    font-weight: 700;

    letter-spacing: 0.12em;
    text-transform: uppercase;

    pointer-events: none;
}

.before-after__label--before {
    left: 16px;
}

.before-after__label--after {
    right: 16px;
}


/* BARRE CENTRALE */

.before-after__handle {
    position: absolute;
    z-index: 4;

    top: 0;
    bottom: 0;

    left: var(--position);

    width: 0;

    pointer-events: none;
}

.before-after__line {
    position: absolute;

    top: 0;
    bottom: 0;
    left: -1px;

    width: 2px;

    background: var(--color-bg);
}


/* BOUTON AU CENTRE */

.before-after__button {
    position: absolute;

    top: 50%;
    left: 50%;

    display: flex;

    width: 46px;
    height: 46px;

    align-items: center;
    justify-content: center;

    gap: 6px;

    border-radius: 50%;

    background: var(--color-bg);
    color: var(--color-text);

    box-shadow:
        0 2px 12px rgba(29, 29, 27, 0.18);

    transform: translate(-50%, -50%);

    font-size: 1.3rem;
    line-height: 1;
}

.before-after__button span {
    display: block;
}


/* CLAVIER / ACCESSIBILITÉ */

.before-after:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}


/* =========================================
   ABOUT
========================================= */

.about__content {
    display: grid;
    gap: 2rem;
}

.image-placeholder--portrait {
    width: 78%;
    aspect-ratio: 4 / 5;
    margin-left: auto;
    overflow: hidden;
}

.image-placeholder--portrait img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.about__text {
    max-width: 36rem;
}

.about__name {
    margin-bottom: 0.1rem;
    font-size: 1.4rem;
    font-weight: 700;
}

.about__role {
    margin-bottom: 2rem;
    color: var(--color-accent);
}

.about__text p:not(.about__name, .about__role) {
    color: var(--color-accent);
}


/* =========================================
   CONTACT
========================================= */

.contact {
    padding-bottom: 9rem;
}

.contact__layout {
    display: grid;
    gap: 4rem;
}

.contact-form {
    display: grid;
    gap: 1.7rem;
}

.form-group {
    display: grid;
    gap: 0.45rem;
}

.form-group label {
    color: var(--color-accent);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-hint {
    margin-left: 0.3rem;
    opacity: 0.65;
    text-transform: none;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    min-height: 48px;
    padding: 0.7rem 0;
    border: 0;
    border-bottom: 1px solid var(--color-light);
    border-radius: 0;
    outline: 0;
    background: transparent;
    color: var(--color-text);
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: var(--color-accent);
}

.contact-form input[type="file"] {
    min-height: auto;
    padding: 0.8rem 0;
    font-size: 0.85rem;
}

.form-honeypot {
    position: absolute;
    left: -9999px;
}

.button {
    min-height: 54px;
    border: 1px solid var(--color-text);
    transition:
        background var(--transition),
        color var(--transition);
}

.button--primary {
    background: var(--color-text);
    color: var(--color-bg);
    font-weight: 700;
}

.button--primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.contact-form__status {
    min-height: 1.5rem;
    margin: 0;
    color: var(--color-accent);
    font-size: 0.9rem;
}

.contact-details {
    display: grid;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-light);
}

.contact-details__item {
    display: grid;
    gap: 0.3rem;
}

.contact-details__label {
    color: var(--color-accent);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.contact-details__item a,
.contact-details__item p {
    margin: 0;
    font-size: 1.05rem;
}


/* =========================================
   FOOTER
========================================= */

.site-footer {
    padding:
        3rem
        var(--page-padding)
        7rem;
    background: var(--color-text);
    color: var(--color-bg);
}

.site-footer__top {
    display: grid;
    gap: 2rem;
    padding-bottom: 3rem;
}

.site-logo--footer {
    filter: invert(1);
}

.site-footer__top p {
    max-width: 18rem;
    margin: 0;
    color: var(--color-light);
}

.site-footer__bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(244, 241, 238, 0.2);
    color: var(--color-light);
    font-size: 0.75rem;
}

.site-footer__bottom p {
    margin: 0;
}


/* =========================================
   MOBILE CTA
========================================= */

.mobile-actions {
    position: fixed;
    z-index: 15;
    bottom: 0;
    left: 0;
    display: grid;
    width: 100%;
    grid-template-columns: 0.8fr 1.2fr;
    border-top: 1px solid var(--color-light);
    background: rgba(244, 241, 238, 0.96);
    backdrop-filter: blur(12px);
}

.mobile-actions a {
    display: grid;
    min-height: 58px;
    place-items: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.mobile-actions__call {
    border-right: 1px solid var(--color-light);
}

.mobile-actions__quote {
    background: var(--color-text);
    color: var(--color-bg);
}

/* =========================================
   MOBILE
========================================= */

@media (max-width: 480px) {
    .hero__footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.25rem;
    }

    .hero__footer img {
        width: 62%;
        max-width: 260px;
    }
}

/* =========================================
   TABLET
========================================= */

@media (min-width: 768px) {

    :root {
        --page-padding: 42px;
    }

    .section {
        padding-top: 8rem;
        padding-bottom: 8rem;
    }

    .hero {
        padding-top: 150px;
    }

    .hero-slide {
        flex-basis: 62vw;
    }

    .hero__footer img {
        width: 38%;
        max-width: 320px;
    } 

    .image-placeholder--hero {
        aspect-ratio: 1.15;
    }

    .services-list {
        margin-left: 50px;
    }

    .service-item {
        grid-template-columns: 50px minmax(180px, 0.8fr) 1fr;
        align-items: start;
    }

    .service-item__number {
        grid-row: auto;
    }

    .project-card--offset {
        margin-left: 24vw;
    }

    .about__content {
        grid-template-columns: 1fr 1fr;
        align-items: end;
    }

    .image-placeholder--portrait {
        width: 100%;
    }

    .contact__layout {
        grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
        align-items: start;
    }

    .contact-details {
        padding-top: 0;
        border-top: 0;
        border-left: 1px solid var(--color-light);
        padding-left: 2rem;
    }
}


/* =========================================
   DESKTOP
========================================= */

@media (min-width: 1100px) {

    :root {
        --page-padding: 64px;
    }

    .site-header__inner,
    .hero,
    .section,
    .site-footer {
        max-width: var(--container);
        margin-inline: auto;
    }

    .site-header {
        position: absolute;
    }

    .site-header__inner {
        padding-top: 28px;
    }

    .menu-toggle {
        display: none;
    }

    .main-navigation {
        position: static;
        display: block;
        width: auto;
        padding: 0;
        background: transparent;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .main-navigation ul {
        display: flex;
        gap: 2rem;
    }

    .main-navigation li {
        border: 0;
    }

    .main-navigation a {
        padding: 0;
        font-size: 0.85rem;
        font-weight: 400;
        letter-spacing: 0;
    }

    .hero {
        display: grid;
        min-height: 100vh;
        grid-template-columns:
            minmax(320px, 0.72fr)
            minmax(540px, 1.28fr);
        grid-template-rows: 1fr auto;
        align-items: center;
        column-gap: 0;
        padding-top: 120px;
        padding-bottom: 55px;
    }

    .hero__intro {
        z-index: 4;
        align-self: center;
        margin: 0;
    }

    .hero h1 {
        position: relative;
        z-index: 4;
        width: 9ch;
        max-width: none;
        margin-right: -200px;
        font-size: clamp(5.5rem, 7.2vw, 8rem);
    }

    .hero-slider {
        grid-column: 2;
        grid-row: 1;
        margin: 0;
    }

    .hero-slider__track {
        overflow: hidden;
    }

    .hero-slide {
        display: none;
        flex: 0 0 100%;
    }

    .hero-slide--active {
        display: block;
    }

    .image-placeholder--hero {
        height: min(72vh, 720px);
        aspect-ratio: auto;
    }

    .hero-slider__controls {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-top: 0.8rem;
    }

    .slider-button {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .hero-slider__progress {
        position: relative;
        width: 120px;
        height: 1px;
        overflow: hidden;
        background: var(--color-light);
    }

    .hero-slider__progress span {
        display: block;
        width: 33.33%;
        height: 100%;
        background: var(--color-accent);
    }

    .hero__footer {
        grid-column: 1 / -1;
        grid-row: 2;
        margin-top: 2rem;
    }

    .section-heading {
        grid-template-columns: 80px minmax(0, 1fr);
    }

    .projects-list {
        gap: 8rem;
    }

    .project-card {
        width: 68%;
    }

    .project-card--offset {
        margin-left: auto;
    }

    .image-placeholder--project {
        aspect-ratio: 1.3;
    }

    .about__content {
        grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
        gap: 7rem;
    }

    .contact-form {
        grid-template-columns: 1fr 1fr;
        column-gap: 2rem;
    }

    .form-group--full,
    .button,
    .contact-form__status {
        grid-column: 1 / -1;
    }

    .button {
        width: max-content;
        min-width: 230px;
        padding-inline: 2rem;
    }

    .mobile-actions {
        display: none;
    }

    .site-footer {
        padding-bottom: 3rem;
    }
}


/* =========================================
   REDUCED MOTION
========================================= */

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

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}