:root {
    /* Colors */
    --terracotta: #9E3A28;
    --terracotta-hover: #7A2D1F;
    --steel: #8A95A5;
    --black: #0D0D0D;
    --cream: #F4F3EF;

    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--black);
    color: var(--cream);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- GRAIN OVERLAY --- */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.3;
}

/* --- MAGNETIC CURSOR --- */
.cursor-dot,
.cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 10000;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: none;
    /* Can be enabled via JS later, hidden by default for pure GSAP approach */
}


/* --- HUMAN MODIFICATIONS --- */

.cta-form:hover {
    transform: scale(1.03) !important;
    transition: .1s linear !important;
}






/* --- TYPOGRAPHY --- */
h1,
h2,
h3,
h4,
.font-heading {
    font-family: var(--font-heading);
    font-weight: 400;
}

h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1.15;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

p {
    line-height: 1.6;
    font-weight: 300;
}

em {
    font-style: italic;
    color: var(--terracotta);
}

.eyebrow-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--steel);
    border-left: 2px solid var(--terracotta);
    padding-left: 14px;
    margin-bottom: 24px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s var(--ease-out-expo), color 0.3s, transform 0.2s;
    text-align: center;
}

.btn-primary {
    background-color: var(--terracotta);
    color: var(--cream);
    box-shadow: 0 10px 30px rgba(158, 58, 40, 0.3);
}

.btn-primary:hover {
    background-color: var(--terracotta-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(158, 58, 40, 0.4);
}

.btn-ghost {
    background-color: transparent;

    color: var(--cream);
    border: 1px solid rgba(244, 243, 239, 0.3);
}

.btn-ghost:hover {
    border-color: var(--cream);
    background-color: rgba(244, 243, 239, 0.05);
}

.mt-4 {
    margin-top: 2rem;
}

.flex-1 {
    flex: 1;
}

.btn-full {
    width: 100%;
}

/* --- LAYOUT --- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5vw;
}

.section-dark {
    background-color: var(--black);
    color: var(--cream);
}

.section-light {
    background-color: var(--cream);
    color: var(--black);
}

/* --- NAVBAR --- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: background-color 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}

nav.scrolled {
    /* background-color: rgba(13, 13, 13, 0.9); */
    backdrop-filter: blur(20px);
    padding: 1rem 5vw;
    border-bottom: 1px solid rgba(244, 243, 239, 0.05);
}

.nav-logo img {
    margin-top: 1vh;
    height: 60px;
    filter: invert(1);
    transition: filter 0.3s;
}

.nav-logo.invert img {
    filter: invert(0);
}

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

.nav-phone {
    color: var(--cream);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    transition: color 0.3s;
}

.nav-phone:hover {
    color: var(--terracotta);
}

nav .btn {
    padding: 0.8rem 1.5rem;
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.08);
    /* Initial scale for parallax */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(125deg, rgba(13, 13, 13, 0.85) 0%, rgba(13, 13, 13, 0.5) 50%, rgba(13, 13, 13, 0.8) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: center;
    width: 100%;
    padding-top: 5rem;
}

.hero-content {
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(244, 243, 239, 0.8);
    max-width: 500px;
    margin-bottom: 2.5rem;
    opacity: 0;
    animation: fadeUp 1s 1s forwards;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    animation: fadeUp 1s 1.2s forwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Split Text specific */
.split-text span {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
}

/* Glass Card */
.hero-glass-card {
    background: rgba(244, 243, 239, 0.05);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(244, 243, 239, 0.15);
    padding: 2.5rem;
    padding-top: 2rem;
    border-radius: 4px;
    opacity: 0;
    animation: fadeUp 1s 1.4s forwards;
}

.glass-title {
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(244, 243, 239, 0.2);
    padding-bottom: 1.2rem;
    margin-bottom: 1.5rem;
}

.glass-list {
    list-style: none;
}

.glass-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.glass-list li:last-child {
    margin-bottom: 0;
}

.glass-icon {
    color: var(--terracotta);
    font-weight: 600;
}

.glass-list strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
}

.glass-list p {
    font-size: 0.8rem;
    color: rgba(244, 243, 239, 0.6);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 5vw;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeUp 1s 2s forwards;
}

.hero-scroll-indicator span {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--steel);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--steel), transparent);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    50.1% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* --- PRESTATIONS (PINNING) --- */
.prestations {
    position: relative;
    min-height: 100vh;
}

.prestations-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100vh;
}

.prestations-left {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-right: 4rem;
}

.arch-photo {
    width: 100%;
    max-width: 450px;
    height: 70vh;
    border-radius: 200px 200px 0 0;
    overflow: hidden;
    position: relative;
}

.arch-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prestations-right {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.prestations-pin-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.prestation-block {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    opacity: 0;
}

.prest-num {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--terracotta);
    opacity: 0.5;
    line-height: 1;
    display: block;
    margin-bottom: 1rem;
}

.prestation-block p {
    font-size: 1.1rem;
    color: rgba(244, 243, 239, 0.7);
    max-width: 400px;
}

/* --- VARIANTE --- */
.variante {
    padding: 8rem 0;
}

.variante .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.variante-subtitle {
    font-size: 1.4rem;
    color: var(--steel);
    margin-bottom: 3rem;
}

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

.var-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.var-check {
    color: var(--terracotta);
    font-weight: bold;
}

.var-item p {
    font-size: 0.95rem;
    font-weight: 500;
}

.rounded-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}

.shadow-warm {
    box-shadow: 0 30px 60px rgba(13, 13, 13, 0.15);
}

/* --- PROCESSUS --- */
.processus {
    padding: 8rem 0;
    background-color: var(--cream);
    color: var(--black);
}

.process-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.process-timeline {
    position: relative;
    padding: 2rem 0;
}

.process-line-svg {
    position: absolute;
    top: 2rem;
    left: 0;
    width: 100%;
    height: 100px;
    z-index: 1;
    pointer-events: none;
}

.process-path {
    fill: none;
    stroke: var(--terracotta);
    stroke-width: 2px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.process-step {
    text-align: center;
    padding: 4vh 4vh;
    border-radius: 20px;
}

.step-circle {
    width: 60px;
    height: 60px;
    margin: 0 auto 2rem;
    border: 1px solid var(--steel);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--steel);
    background-color: var(--cream);
    transition: all 0.5s ease;
}

.process-step.reveal:hover .step-circle {
    border-color: var(--terracotta);
    color: var(--terracotta);
    transform: scale(1.2);
}

.process-step.reveal:hover {
    background-color: rgba(158, 58, 40, 0.08);
    transition: .3s linear;
}

.step-circle.active {
    border-color: var(--terracotta);
    color: var(--terracotta);
    background-color: rgba(158, 58, 40, 0.05);
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.process-step p {
    font-size: 0.85rem;
    color: #444;
}

.process-footer {
    margin-top: 1rem;
    text-align: center;
}

.stat-box {
    display: inline-block;
    padding: 1rem 4rem;
    border: 1px solid rgba(138, 149, 165, 0.3);
}

.stat-box strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--terracotta);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-box span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--steel);
}

/* --- FORMULAIRE --- */
.formulaire {
    padding: 8rem 0;
}

.form-container {
    display: grid;
    grid-template-columns: 1fr 500px;
    gap: 6rem;
    align-items: start;
}

.form-desc {
    font-size: 1.1rem;
    color: var(--steel);
    margin-bottom: 2rem;
}

.form-guarantees {
    list-style: none;
    margin-bottom: 3rem;
}

.form-guarantees li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: rgba(244, 243, 239, 0.8);
}

.check {
    color: var(--terracotta);
}

.contact-direct {
    padding-top: 2rem;
    border-top: 1px solid rgba(244, 243, 239, 0.1);
}

.contact-direct span {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--steel);
    margin-bottom: 1rem;
}

.phone-link {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--terracotta);
    text-decoration: none;
    margin-bottom: 0.5rem;
}

.email-link {
    color: var(--cream);
    text-decoration: none;
}

/* Form Card */
.form-card {
    background: rgba(244, 243, 239, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(244, 243, 239, 0.1);
    border-top: 3px solid var(--terracotta);
    padding: 3rem;
    border-radius: 4px;
}

.form-header {
    margin-bottom: 2rem;
    text-align: right;
}

.progress-bar-container {
    width: 100%;
    height: 2px;
    background: rgba(244, 243, 239, 0.1);
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--terracotta);
    transition: width 0.5s var(--ease-out-expo);
}

.step-indicator {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--steel);
}

.form-step {
    display: none;
    animation: fadeInStep 0.5s forwards;
}

.form-step.active {
    display: block;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-step-title {
    font-size: 1.4rem;
    margin-bottom: 2rem;
}

/* Form Inputs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--steel);
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--steel);
    padding: 0.8rem 0;
    color: var(--cream);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus,
select:focus {
    outline: none;
    border-bottom-color: var(--terracotta);
}

select option {
    background-color: var(--black);
    color: var(--cream);
}

/* Radio Cards */
.radio-cards-vertical {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.radio-card {
    position: relative;
    cursor: pointer;
}

.radio-card input {
    position: absolute;
    opacity: 0;
}

.rc-content {
    display: block;
    padding: 1.5rem;
    border: 1px solid var(--steel);
    border-radius: 4px;
    transition: all 0.3s;
}

.rc-content strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--cream);
}

.rc-content span {
    font-size: 0.85rem;
    color: var(--steel);
}

.radio-card input:checked+.rc-content {
    border-color: var(--terracotta);
    background-color: rgba(158, 58, 40, 0.1);
}

.radio-card input:checked+.rc-content strong {
    color: var(--terracotta);
}

.radio-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.radio-card-small {
    position: relative;
    cursor: pointer;
}

.radio-card-small input {
    position: absolute;
    opacity: 0;
}

.rcs-content {
    display: block;
    padding: 0.8rem;
    border: 1px solid rgba(138, 149, 165, 0.3);
    text-align: center;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.radio-card-small input:checked+.rcs-content {
    border-color: var(--terracotta);
    background-color: var(--terracotta);
    color: var(--cream);
}

.form-actions {
    display: flex;
    gap: 1rem;
}

.success-message {
    text-align: center;
    padding: 3rem 0;
}

.success-icon {
    font-size: 4rem;
    color: var(--terracotta);
    margin-bottom: 1rem;
}

/* --- FOOTER --- */
.footer {
    border-top: 1px solid rgba(244, 243, 239, 0.1);
    padding: 4rem 0 2rem;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-logo {
    height: 40px;
    filter: invert(1);
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--steel);
}

.footer-links-group {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--steel);
    margin-bottom: 1.5rem;
}

.footer-col a,
.footer-col span {
    display: block;
    font-size: 0.85rem;
    color: rgba(244, 243, 239, 0.7);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--cream);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid rgba(244, 243, 239, 0.1);
    font-size: 0.75rem;
    color: var(--steel);
}

/* --- ANIMATIONS UTILS --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    nav {
        padding: 1.2rem 4vw;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding-top: 3rem;
        min-height: 90vh;
    }

    .hero-glass-card {
        display: none;
    }

    .hero-subtitle {
        margin-bottom: 2rem;
    }

    .hero-ctas {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .prestations-container {
        padding-top: 5vh;
        grid-template-columns: 1fr;
        height: auto;
    }

    .prestations-left {
        height: 50vh;
        padding-right: 0;
        margin-bottom: 2rem;
    }

    .arch-photo {
        max-width: 100%;
        height: 55vh;
        border-radius: 4px;
    }

    .prestations-right {
        height: auto;
        padding: 3rem 0;
    }

    .variante {
        padding: 6rem 0;
    }

    .variante .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .variante-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .process-line-svg {
        display: none;
    }

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

    .form-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    body {
        font-size: 0.95rem;
    }

    nav {
        padding: 1rem 4vw;
    }

    .nav-logo img {
        height: 50px;
    }

    .nav-phone,
    .nav-right .btn {
        display: none;
    }

    .hero {
        padding-top: 7rem;
    }

    .hero-container {
        padding-top: 2rem;
        gap: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-ctas {
        justify-content: stretch;
    }

    .hero-scroll-indicator {
        display: none;
    }

    .prestations-left {
        height: auto;
        padding-right: 0;
        margin-bottom: 1.5rem;
    }

    .prestations-right {
        padding: 2rem 0;
    }

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

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

    .process-step {
        padding: 2rem 1.5rem;
    }

    .form-card {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions button {
        width: 100%;
    }

    .footer-top {
        flex-direction: column;
        gap: 2.5rem;
    }

    .footer-links-group {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 600px) {

    .process-step {
        padding: 0;
    }

    h1 {
        font-size: 2.1rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        min-height: auto;
    }

    .hero-container {
        padding-top: 1.5rem;
        gap: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        max-width: 100%;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        padding: 0.9rem 1.2rem;
    }

    .prestations-left {
        padding-right: 0;
    }

    .arch-photo {
        height: 45vh;
    }

    .variante {
        padding: 4.5rem 0;
    }

    .processus,
    .formulaire {
        padding: 4.5rem 0;
    }

    .form-card {
        padding: 1.5rem;
    }

    .form-row {
        gap: 0.75rem;
    }

    .form-group label {
        font-size: 0.65rem;
    }

    .footer-top {
        gap: 2rem;
    }

    .footer-bottom {
        width: 100%;
    }
}
@media (max-width: 600px) {
    h1 {
        font-size: 2.1rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        min-height: auto;
    }

    .hero-container {
        padding-top: 1.5rem;
        gap: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        max-width: 100%;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        padding: 0.9rem 1.2rem;
    }

    .prestations-left {
        padding-right: 0;
    }

    .arch-photo {
        height: 45vh;
    }

    .variante {
        padding: 4.5rem 0;
    }

    .processus,
    .formulaire {
        padding: 4.5rem 0;
    }

    .form-card {
        padding: 1.5rem;
    }

    .form-row {
        gap: 0.75rem;
    }

    .form-group label {
        font-size: 0.65rem;
    }

    .footer-top {
        gap: 2rem;
    }

    .footer-bottom {
        width: 100%;
    }
}