/* ══════════════════════════════════════════
   MYSTIK STUDIO — Pages intérieures
   Charte : #2A9D8F · #F7A81F · #351126 · #111111
══════════════════════════════════════════ */

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

:root {
    --green:    #2A9D8F;
    --yellow:   #F7A81F;
    --bordeaux: #351126;
    --carbon:   #111111;
    --carbon2:  #181818;
    --white:    #FFFFFF;
    --font:     'DM Sans', sans-serif;
    --header-h: 72px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--carbon);
    color: var(--white);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; }

/* ══════════════════════════════════════════
   NAV FULLSCREEN (partagé toutes pages)
══════════════════════════════════════════ */
.nav-overlay {
    position: fixed; inset: 0; z-index: 150;
    background: rgba(10,10,10,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 4rem 6vw;
    opacity: 0;
    pointer-events: none;
    transition: opacity .45s ease;
}

.nav-overlay.is-open {
    opacity: 1;
    pointer-events: all;
}

.nav-close {
    position: absolute; top: 2rem; right: 2.5rem;
    background: none; border: none;
    color: rgba(255,255,255,.4);
    font-size: 2.2rem; cursor: pointer; line-height: 1;
    transition: color .2s, transform .2s;
}
.nav-close:hover { color: var(--white); transform: rotate(90deg); }

.nav-links { list-style: none; margin-bottom: 3rem; }
.nav-links li { overflow: hidden; margin-bottom: .2rem; }

.nav-link {
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    font-size: clamp(2.4rem, 6vw, 5rem);
    font-weight: 800;
    color: rgba(255,255,255,.18);
    letter-spacing: -.03em;
    line-height: 1.15;
    transform: translateY(100%);
    transition: color .25s, transform .5s cubic-bezier(.16,1,.3,1);
}

.nav-overlay.is-open .nav-link { transform: translateY(0); }

.nav-links li:nth-child(1) .nav-link { transition-delay: .05s; }
.nav-links li:nth-child(2) .nav-link { transition-delay: .10s; }
.nav-links li:nth-child(3) .nav-link { transition-delay: .15s; }
.nav-links li:nth-child(4) .nav-link { transition-delay: .20s; }
.nav-links li:nth-child(5) .nav-link { transition-delay: .20s; }
.nav-links li:nth-child(6) .nav-link { transition-delay: .25s; }

.nav-link:hover { color: var(--white); }
.nav-link.active { color: rgba(255,255,255,.55); }
.nav-link--cta:hover { color: var(--yellow); }

.nav-num {
    font-size: .75rem; font-weight: 500;
    color: var(--green); letter-spacing: .1em;
    min-width: 2rem; padding-top: .4rem;
}

.nav-footer {
    display: flex; align-items: center; gap: 2rem;
    font-size: .78rem; color: rgba(255,255,255,.25); letter-spacing: .06em;
    border-top: 1px solid rgba(255,255,255,.07);
    padding-top: 1.8rem; width: 100%;
}

.nav-wa {
    margin-left: auto; color: #25D366;
    font-weight: 600; letter-spacing: .05em;
    transition: opacity .2s;
}
.nav-wa:hover { opacity: .75; }

/* ══════════════════════════════════════════
   HEADER SITE
══════════════════════════════════════════ */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--header-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 2.5rem;
    background: rgba(17,17,17,.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,.05);
}

.site-logo img {
    filter: brightness(0) invert(1);
    opacity: .9;
    display: block;
}

.nav-toggle {
    background: none; border: none;
    cursor: pointer;
    display: flex; flex-direction: column; gap: 5px;
    padding: 6px;
}

.nav-toggle span {
    display: block; width: 24px; height: 2px;
    background: var(--white); border-radius: 2px;
    transition: transform .3s, opacity .3s, width .3s;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════
   SHARED UTILITIES
══════════════════════════════════════════ */
.eyebrow {
    font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .22em;
    color: var(--green); margin-bottom: 1rem;
}

.accent-yellow { color: var(--yellow); }
.accent-green  { color: var(--green); }

.reveal-in {
    opacity: 0; transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.reveal-in.is-visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════
   SHARED PAGE CTA
══════════════════════════════════════════ */
.page-cta {
    background: var(--bordeaux);
    padding: 6rem 5vw;
    text-align: center;
    position: relative; overflow: hidden;
}
.page-cta::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 80% 80% at 50% 50%, rgba(42,157,143,.12) 0%, transparent 70%);
}
.page-cta__inner { position: relative; z-index: 2; max-width: 650px; margin: 0 auto; }
.page-cta__title {
    font-size: clamp(2rem, 4.5vw, 3.6rem);
    font-weight: 800; line-height: 1.08;
    letter-spacing: -.03em; margin-bottom: 1rem;
}
.page-cta__sub {
    font-size: 1rem; font-weight: 300;
    color: rgba(255,255,255,.55); line-height: 1.8;
    margin-bottom: 2rem;
}
.page-cta__actions {
    display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

.btn-cta {
    display: inline-block;
    font-family: var(--font); font-size: .95rem; font-weight: 700;
    padding: 1rem 2.4rem;
    background: var(--green); color: var(--white);
    border: none; border-radius: 4px; cursor: pointer;
    transition: background .25s, transform .25s;
}
.btn-cta:hover { background: #249085; transform: translateY(-2px); }

.btn-outline {
    display: inline-block;
    padding: .85rem 2rem;
    border: 1.5px solid rgba(255,255,255,.2);
    border-radius: 4px;
    color: rgba(255,255,255,.7);
    font-size: .9rem; font-weight: 600;
    transition: border-color .2s, color .2s;
}
.btn-outline:hover { border-color: var(--white); color: var(--white); }
.btn-outline--light { border-color: rgba(255,255,255,.3); color: var(--white); }

/* ══════════════════════════════════════════
   SHARED FOOTER
══════════════════════════════════════════ */
.page-footer {
    background: var(--carbon2);
    padding: 4rem 5vw 2rem;
}
.page-footer__top {
    display: grid; grid-template-columns: 220px 1fr;
    gap: 4rem; padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    margin-bottom: 1.5rem;
}
.footer-logo { height: 36px; width: auto; filter: brightness(0) invert(1); opacity: .8; margin-bottom: .8rem; }
.footer-brand p { font-size: .8rem; color: rgba(255,255,255,.3); line-height: 1.6; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-nav__col { display: flex; flex-direction: column; gap: .5rem; }
.footer-nav__col > span:first-child {
    font-size: .65rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .14em; color: rgba(255,255,255,.25); margin-bottom: .3rem;
}
.footer-nav__col a { font-size: .82rem; color: rgba(255,255,255,.45); transition: color .2s; }
.footer-nav__col a:hover { color: var(--white); }
.page-footer__bottom {
    display: flex; align-items: center; justify-content: space-between;
    font-size: .72rem; color: rgba(255,255,255,.18);
}
.footer-socials { display: flex; gap: .8rem; }
.social-link {
    width: 34px; height: 34px; border-radius: 50%;
    background: rgba(255,255,255,.06);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.45); transition: background .2s, color .2s;
}
.social-link:hover { background: rgba(255,255,255,.12); color: var(--white); }

/* ══════════════════════════════════════════
   PROJETS LISTING PAGE
══════════════════════════════════════════ */
.projects-page-hero {
    padding: calc(var(--header-h) + 5rem) 5vw 4rem;
    max-width: 1300px; margin: 0 auto;
}
.projects-page-hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: 800; line-height: 1.05;
    letter-spacing: -.03em; margin-bottom: 1.2rem;
}
.projects-page-hero p {
    font-size: 1.05rem; font-weight: 300;
    color: rgba(255,255,255,.5); line-height: 1.8;
    max-width: 560px;
}

.projects-listing {
    padding: 0 5vw 6rem;
    max-width: 1300px; margin: 0 auto;
}

.projects-listing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.pl-card {
    display: flex; flex-direction: column;
    transition: transform .35s;
}
.pl-card:hover { transform: translateY(-4px); }

.pl-card__img {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    height: 380px;
    position: relative;
}
.pl-card__img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .6s;
}
.pl-card:hover .pl-card__img img { transform: scale(1.04); }

.pl-card__info { padding: 1.2rem 0 .5rem; }
.pl-card__info h3 {
    font-size: 1.4rem; font-weight: 700;
    margin-bottom: .7rem;
}
.pl-card__info h3 a { transition: color .2s; }
.pl-card__info h3 a:hover { color: var(--green); }

.pl-tags {
    display: flex; flex-wrap: wrap; gap: .4rem;
}
.pl-tags span {
    padding: .3rem .75rem;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 3px;
    font-size: .68rem; font-weight: 600;
    color: rgba(255,255,255,.45);
}

/* ══════════════════════════════════════════
   PROJECT DETAIL PAGE
══════════════════════════════════════════ */
.proj-detail-hero {
    padding-top: var(--header-h);
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 75vh;
}

.proj-detail-hero__content {
    padding: 5rem 4rem 4rem 5vw;
    display: flex; flex-direction: column;
    justify-content: center;
}

.proj-detail-hero__content .eyebrow { margin-bottom: .8rem; }

.proj-detail-hero__title {
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 800; line-height: 1.08;
    letter-spacing: -.03em; margin-bottom: 1.2rem;
}

.proj-detail-hero__sub {
    font-size: 1.05rem; font-weight: 300;
    color: rgba(255,255,255,.55); line-height: 1.8;
    max-width: 460px; margin-bottom: 2rem;
}

.proj-detail-tags {
    display: flex; flex-wrap: wrap; gap: .5rem;
}
.proj-detail-tags span {
    padding: .4rem 1rem;
    border: 1px solid rgba(42,157,143,.35);
    border-radius: 4px;
    font-size: .72rem; font-weight: 600;
    color: var(--green);
    letter-spacing: .06em;
}

.proj-detail-hero__img {
    position: relative;
    overflow: hidden;
}
.proj-detail-hero__img img {
    width: 100%; height: 100%;
    object-fit: cover;
}

/* Project banner full width */
.proj-banner {
    width: 100%;
    overflow: hidden;
}
.proj-banner img {
    width: 100%;
    display: block;
}

/* Project overview */
.proj-overview {
    padding: 5rem 5vw;
    max-width: 1300px; margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 4rem;
}

.proj-overview__label {
    font-size: .72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .18em;
    color: var(--green); margin-bottom: 1.2rem;
}

.proj-overview__title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800; line-height: 1.15;
    letter-spacing: -.02em;
}

.proj-overview__text {
    font-size: 1rem; font-weight: 300;
    color: rgba(255,255,255,.55); line-height: 1.9;
}
.proj-overview__text p { margin-bottom: 1.2rem; }
.proj-overview__text strong { color: var(--white); font-weight: 600; }

/* Project gallery */
.proj-gallery {
    padding: 0 5vw 5rem;
    max-width: 1300px; margin: 0 auto;
}

.proj-gallery__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.proj-gallery__grid--three {
    grid-template-columns: 1fr 1fr 1fr;
}

.proj-gallery__item {
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}
.proj-gallery__item--wide { grid-column: span 2; }
.proj-gallery__item--tall { grid-row: span 2; }

.proj-gallery__item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s;
}
.proj-gallery__item:hover img { transform: scale(1.03); }

/* Project content section */
.proj-section {
    padding: 4rem 5vw;
    max-width: 1300px; margin: 0 auto;
}

.proj-section__grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    border-top: 1px solid rgba(255,255,255,.07);
}

.proj-section__label {
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .18em;
    color: var(--green);
}

.proj-section__text {
    font-size: 1rem; font-weight: 300;
    color: rgba(255,255,255,.55); line-height: 1.85;
}
.proj-section__text strong { color: var(--white); font-weight: 600; }

/* Other projects navigation */
.proj-others {
    padding: 5rem 5vw;
    background: var(--carbon2);
}
.proj-others__title {
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .18em;
    color: rgba(255,255,255,.3);
    margin-bottom: 2rem;
}
.proj-others__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1300px; margin: 0 auto;
}
.proj-others__card {
    border-radius: 10px;
    overflow: hidden;
    transition: transform .3s;
}
.proj-others__card:hover { transform: translateY(-3px); }
.proj-others__card img {
    width: 100%; height: 200px;
    object-fit: cover;
}
.proj-others__card h4 {
    padding: .8rem 0 .3rem;
    font-size: 1rem; font-weight: 700;
}
.proj-others__card span {
    font-size: .7rem; color: rgba(255,255,255,.35);
}

/* ══════════════════════════════════════════
   SERVICES PAGE
══════════════════════════════════════════ */
.svc-hero {
    position: relative;
    height: 80vh; min-height: 500px;
    overflow: hidden;
}
.svc-hero__img {
    position: absolute; inset: 0;
}
.svc-hero__img img {
    width: 100%; height: 100%; object-fit: cover;
    object-position: 50% 20%;
}
.svc-hero__overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(17,17,17,1) 0%, rgba(17,17,17,.3) 50%, rgba(17,17,17,.1) 100%);
}
.svc-hero__content {
    position: absolute; bottom: 4rem; left: 5vw;
    z-index: 2;
}
.svc-hero__title {
    font-size: clamp(3rem, 7vw, 7rem);
    font-weight: 900; line-height: 1;
    letter-spacing: -.04em;
    color: var(--white);
}

/* Services overview */
.svc-overview {
    padding: 5rem 5vw;
    max-width: 1300px; margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.svc-overview__left h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800; line-height: 1.2;
    letter-spacing: -.02em;
    margin-bottom: 1.5rem;
}
.svc-overview__left p {
    font-size: 1rem; font-weight: 300;
    color: rgba(255,255,255,.55); line-height: 1.85;
    margin-bottom: 1.2rem;
}
.svc-overview__left .btn-cta { margin-top: 1rem; }

/* Services accordion list */
.svc-modules {
    display: flex; flex-direction: column;
}

.svc-module {
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.svc-module__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.4rem 0;
    cursor: pointer;
    transition: color .2s;
    user-select: none;
}
.svc-module__header:hover { color: var(--green); }

.svc-module__header h3 {
    font-size: 1rem; font-weight: 700;
    letter-spacing: -.01em;
}

.svc-module__toggle {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    background: none;
    color: var(--white);
    font-size: 1.2rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: transform .3s, background .2s, border-color .2s;
    flex-shrink: 0;
}
.svc-module.is-open .svc-module__toggle {
    transform: rotate(45deg);
    background: var(--green);
    border-color: var(--green);
}

.svc-module__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .4s ease;
}
.svc-module.is-open .svc-module__body {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.svc-module__body p {
    font-size: .9rem; font-weight: 300;
    color: rgba(255,255,255,.45);
    line-height: 1.75;
    max-width: 500px;
}

.svc-module__link {
    display: inline-block;
    margin-top: .8rem;
    font-size: .82rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: .05em;
    transition: color .2s;
}
.svc-module__link:hover { color: var(--yellow); }

/* Services visual grid */
.svc-visual-grid {
    padding: 5rem 5vw;
    max-width: 1300px; margin: 0 auto;
}

.svc-visual-grid__title {
    font-size: .72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .18em;
    color: rgba(255,255,255,.3);
    margin-bottom: 2rem;
}

.svc-visual-grid__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 260px);
    gap: 4px;
    border-radius: 12px;
    overflow: hidden;
}

.svc-visual-card {
    position: relative; overflow: hidden;
    background-size: cover; background-position: center;
    display: flex; flex-direction: column;
    justify-content: flex-end; padding: 1.8rem;
}
.svc-visual-card__ov {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.75) 0%, rgba(0,0,0,.2) 60%, rgba(0,0,0,.1) 100%);
    transition: background .3s;
}
.svc-visual-card:hover .svc-visual-card__ov {
    background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.4) 60%, rgba(0,0,0,.2) 100%);
}
.svc-visual-card h4 {
    position: relative; z-index: 2;
    font-size: 1.1rem; font-weight: 700;
    color: var(--white);
}
.svc-visual-card span {
    position: relative; z-index: 2;
    font-size: 1.2rem; color: var(--green);
    margin-top: .3rem;
    opacity: 0; transition: opacity .3s;
}
.svc-visual-card:hover span { opacity: 1; }

/* ══════════════════════════════════════════
   PAGE CONTACT
══════════════════════════════════════════ */
.contact-page {
    min-height: 100vh;
    padding-top: var(--header-h);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.contact-left {
    padding: 5rem 4rem 4rem 5vw;
    display: flex; flex-direction: column; justify-content: center;
    background: var(--carbon);
    position: sticky; top: var(--header-h);
    height: calc(100vh - var(--header-h));
    overflow: hidden;
}

.contact-title {
    font-size: clamp(2.4rem, 4vw, 4rem);
    font-weight: 800; line-height: 1.05;
    letter-spacing: -.03em;
    margin-bottom: 1.5rem;
}

.contact-desc {
    font-size: 1rem; font-weight: 300;
    line-height: 1.8; color: rgba(255,255,255,.55);
    margin-bottom: 2.5rem; max-width: 420px;
}

.contact-infos { margin-bottom: 2rem; }

.contact-info-item {
    display: flex; align-items: flex-start; gap: 1rem;
    padding: .8rem 0;
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.info-label {
    font-size: .7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .12em;
    color: var(--green); min-width: 80px; padding-top: .1rem;
}

.contact-info-item a,
.contact-info-item span {
    font-size: .95rem; color: rgba(255,255,255,.75);
    transition: color .2s;
}
.contact-info-item a:hover { color: var(--white); }

.contact-cities {
    display: flex; align-items: center; gap: .8rem;
    font-size: .75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .16em;
    color: rgba(255,255,255,.25);
    margin-top: 1rem;
}
.dot-sep { color: var(--green); }

/* Côté droit — formulaire */
.contact-right {
    background: var(--carbon2);
    padding: 5rem 5vw 4rem 4rem;
    overflow-y: auto;
    min-height: calc(100vh - var(--header-h));
}

.contact-form { max-width: 520px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label {
    display: block; font-size: .72rem; font-weight: 600;
    color: rgba(255,255,255,.4); text-transform: uppercase;
    letter-spacing: .08em; margin-bottom: .45rem;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; font-family: var(--font); font-size: .95rem;
    padding: .85rem 1rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 6px; color: var(--white); outline: none;
    transition: border-color .2s, background .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--green);
    background: rgba(42,157,143,.05);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,.18); }
.form-group select option { background: #1e1e1e; }
.form-group textarea { resize: vertical; min-height: 130px; }

.btn-submit {
    width: 100%; font-family: var(--font); font-size: 1rem; font-weight: 700;
    padding: 1.1rem; border: none; border-radius: 6px;
    background: var(--green); color: var(--white);
    cursor: pointer; transition: background .25s, transform .25s;
    margin-top: .5rem;
}
.btn-submit:hover { background: #249085; transform: translateY(-2px); }
.btn-submit:disabled { opacity: .6; cursor: default; transform: none; }

.form-note {
    font-size: .75rem; color: rgba(255,255,255,.2);
    text-align: center; margin-top: .9rem;
}

.form-success { display: none; text-align: center; padding: 4rem 2rem; }
.success-icon {
    width: 64px; height: 64px; border-radius: 50%;
    background: var(--green); color: #fff; font-size: 1.6rem;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.6rem;
}
.form-success h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: .6rem; }
.form-success p  { color: rgba(255,255,255,.5); font-size: .95rem; margin-bottom: 2rem; }
.btn-back {
    display: inline-block; padding: .85rem 2rem;
    border: 1px solid rgba(255,255,255,.15); border-radius: 4px;
    font-size: .9rem; font-weight: 600; color: rgba(255,255,255,.6);
    transition: border-color .2s, color .2s;
}
.btn-back:hover { border-color: var(--white); color: var(--white); }

/* ══════════════════════════════════════════
   PAGES SQUELETTE (À propos / Think Big)
══════════════════════════════════════════ */
.inner-hero {
    padding: calc(var(--header-h) + 5rem) 5vw 5rem;
    max-width: 900px;
}
.inner-hero .eyebrow { margin-bottom: 1rem; }
.inner-hero h1 {
    font-size: clamp(2.8rem, 6vw, 6rem);
    font-weight: 800; line-height: 1.05;
    letter-spacing: -.03em; margin-bottom: 1.8rem;
}
.inner-hero p {
    font-size: 1.1rem; font-weight: 300;
    color: rgba(255,255,255,.5); line-height: 1.8;
    max-width: 560px;
}
.coming-soon-badge {
    display: inline-flex; align-items: center; gap: .6rem;
    margin-top: 3rem; padding: .7rem 1.4rem;
    border: 1px solid rgba(42,157,143,.3); border-radius: 4px;
    font-size: .78rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .14em; color: var(--green);
}
.coming-soon-badge::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--green); animation: blink 1.4s ease infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }

/* ══════════════════════════════════════════
   WHATSAPP
══════════════════════════════════════════ */
.wa-btn {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 50;
    width: 52px; height: 52px;
    background: #25D366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,.4);
    transition: transform .3s, box-shadow .3s;
}
.wa-btn:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(37,211,102,.5); }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .proj-detail-hero { grid-template-columns: 1fr; }
    .proj-detail-hero__img { height: 50vw; min-height: 300px; }
    .proj-overview { grid-template-columns: 1fr; gap: 2rem; }
    .svc-overview { grid-template-columns: 1fr; gap: 3rem; }
    .svc-visual-grid__grid { grid-template-columns: 1fr 1fr; }
    .proj-others__grid { grid-template-columns: 1fr 1fr; }
    .proj-section__grid { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 768px) {
    .contact-page { grid-template-columns: 1fr; }
    .contact-left { position: static; height: auto; padding: 3rem 1.5rem 2rem; }
    .contact-right { padding: 2rem 1.5rem 3rem; }
    .contact-title { font-size: 2.4rem; }
    .form-row { grid-template-columns: 1fr; }
    .nav-link { font-size: clamp(1.8rem, 8vw, 3rem); }
    .site-header { padding: 0 1.5rem; }
    .projects-listing-grid { grid-template-columns: 1fr; }
    .pl-card__img { height: 260px; }
    .proj-gallery__grid { grid-template-columns: 1fr; }
    .proj-gallery__item--wide { grid-column: span 1; }
    .svc-visual-grid__grid { grid-template-columns: 1fr; grid-template-rows: auto; }
    .svc-hero { height: 60vh; }
    .page-footer__top { grid-template-columns: 1fr; gap: 2rem; }
    .footer-nav { grid-template-columns: 1fr 1fr; }
    .page-footer__bottom { flex-direction: column; gap: 1rem; }
    .page-cta__actions { flex-direction: column; align-items: center; }
    .proj-others__grid { grid-template-columns: 1fr; }
}