@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

@font-face {
    font-family: "Bank Gothic";
    src: url("BankGothicMedium.woff2") format("woff2"),
         url("BankGothicMedium.ttf") format("truetype");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Bank Gothic";
    src: url("BankGothicLight.woff2") format("woff2"),
         url("BankGothicLight.ttf") format("truetype");
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Tesla";
    src: url("TESLA.woff2") format("woff2"),
         url("TESLA.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

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

:root {
    --kmds-green: #33cc33;
    --kmds-green-dark: #2ba82b;
    --kmds-green-light: #66dd66;
    --kmds-black: #1A1A1A;
    --white: #FFFFFF;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--white);
    overflow-x: hidden;
    position: relative;
}

/* ============ FOND FIXE AVEC PARTICULES ============ */
.fixed-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #0A0A0A 0%, var(--kmds-black) 50%, #0A0A0A 100%);
    z-index: -1;
    overflow: hidden;
}

/* Grille de points verts animée */
.grid-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, var(--kmds-green) 1px, transparent 1px),
        radial-gradient(circle, var(--kmds-green) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: 0 0, 25px 25px;
    opacity: 0.3;
    animation: gridFloat 30s linear infinite;
}

@keyframes gridFloat {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Particules vertes flottantes */
.particles-layer {
    position: absolute;
    width: 100%;
    height: 100%;
}

/* Onde lumineuse verte */
.green-wave {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(
        circle at center,
        transparent 0%,
        rgba(51, 204, 51, 0.1) 30%,
        transparent 70%
    );
    animation: waveMove 15s ease-in-out infinite;
}

@keyframes waveMove {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10%, 10%) scale(1.2); }
}

/* ============ CONTENU QUI SCROLL ============ */
.scrolling-content {
    position: relative;
    z-index: 1;
}

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(51, 204, 51, 0.2);
    padding: 15px 0;
    transition: transform 0.3s;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-kmds .logo-img {
    height: 50px;
    filter: drop-shadow(0 0 15px rgba(51, 204, 51, 0.8));
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-link:hover {
    color: var(--kmds-green);
    text-shadow: 0 0 10px var(--kmds-green);
}

.nav-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(51, 204, 51, 0.1);
}

.progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--kmds-green), var(--kmds-green-light));
    box-shadow: 0 0 10px var(--kmds-green);
}

/* ============ SECTIONS ============ */
section {
    position: relative;
    padding: 120px 40px;
    background: transparent;
}

/* HERO */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-logo-large {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0px;
    margin-bottom: 40px;
    transform: translateY(0);
    transition: transform 0.1s;
}

.letter {
    font-family: "Bank Gothic", sans-serif;
    font-size: 9rem;
    font-weight: 500;
    letter-spacing: -10px;
    text-transform: uppercase;
    animation: letterFloat 3s ease-in-out infinite;
}

.letter-k {
    font-family: "Tesla", "Bank Gothic", sans-serif;
    font-size: 7.5rem;
    color: var(--kmds-green);
    text-shadow: none;
    animation-delay: 0s;
    position: relative;
    top: 0.07em;
}

.letter-m {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    animation-delay: 0.2s;
}

.letter-d {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    animation-delay: 0.4s;
}

.letter-s {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    animation-delay: 0.6s;
}

@keyframes letterFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.heartbeat-line {
    width: 80%;
    max-width: 800px;
    height: 80px;
    margin: 0 auto 40px;
    position: relative;
    overflow: hidden;
}

.heartbeat-svg {
    width: 100%;
    height: 100%;
}

.heartbeat-path {
    stroke-dasharray: 1800;
    stroke-dashoffset: 1800;
    animation: drawECG 10s linear infinite;
    filter: drop-shadow(0 0 3px var(--kmds-green)) drop-shadow(0 0 8px var(--kmds-green));
}

@keyframes drawECG {
    0% { stroke-dashoffset: 1800; }
    100% { stroke-dashoffset: -1800; }
}

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: none;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--kmds-green);
    margin-bottom: 40px;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(51, 204, 51, 0.8);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
}

.btn-primary, .btn-secondary {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: var(--kmds-green);
    color: var(--white);
    border: none;
    box-shadow: 0 0 30px rgba(51, 204, 51, 0.6);
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 0 50px rgba(51, 204, 51, 1);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--kmds-green);
}

.btn-secondary:hover {
    background: var(--kmds-green);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 0 30px rgba(51, 204, 51, 0.8);
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--kmds-green);
    border-radius: 20px;
    margin: 0 auto 10px;
    position: relative;
    box-shadow: 0 0 20px rgba(51, 204, 51, 0.5);
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--kmds-green);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 2s infinite;
    box-shadow: 0 0 10px var(--kmds-green);
}

@keyframes wheelScroll {
    0%, 20% { transform: translateX(-50%) translateY(0); opacity: 1; }
    100% { transform: translateX(-50%) translateY(20px); opacity: 0; }
}

/* SECTION AVEC GLASSMORPHISM */
.content-section {
    background: rgba(26, 26, 26, 0.5);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(51, 204, 51, 0.2);
    border-radius: 30px;
    padding: 80px 60px;
    margin: 60px auto;
    max-width: 1400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    text-align: center;
    text-shadow: 0 0 20px rgba(51, 204, 51, 0.5);
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--kmds-green);
    text-align: center;
    margin-bottom: 60px;
}

/* ÉCHAFAUDAGE */
.scaffold-stage {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.scaffold-3d-wrapper {
    perspective: 1500px;
}

.scaffold-structure {
    position: relative;
    width: 600px;
    height: 800px;
    transform-style: preserve-3d;
    animation: scaffoldFloat 20s linear infinite;
}

@keyframes scaffoldFloat {
    0% { transform: rotateY(0deg) rotateX(-10deg); }
    100% { transform: rotateY(360deg) rotateX(-10deg); }
}

/* Tous les éléments d'échafaudage visibles */
.scaffold-base,
.vertical-posts,
.horizontal-ledgers,
.diagonal-braces,
.platforms,
.guardrails {
    opacity: 1 !important;
}

/* Base */
.scaffold-base {
    position: absolute;
    bottom: 0;
    width: 100%;
}

.base-plate {
    position: absolute;
    bottom: 0;
    width: 60px;
    height: 15px;
    background: linear-gradient(135deg, #424242, #757575);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(51, 204, 51, 0.3);
}

.base-plate.left { left: 100px; }
.base-plate.right { right: 100px; }

.jack-screw {
    position: absolute;
    bottom: 15px;
    width: 25px;
    height: 40px;
    background: linear-gradient(90deg, #616161, #9E9E9E, #616161);
    border-radius: 12px;
    box-shadow: 0 0 10px rgba(51, 204, 51, 0.5);
}

.jack-screw.left { left: 117px; }
.jack-screw.right { right: 117px; }

/* Montants */
.vertical-posts {
    position: absolute;
    bottom: 55px;
    width: 100%;
    height: 700px;
}

.post {
    position: absolute;
    bottom: 0;
    width: 30px;
    height: 100%;
}

.post.left-post { left: 120px; }
.post.right-post { right: 120px; }

.post-tube {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #757575, #BDBDBD, #E0E0E0, #BDBDBD, #757575);
    border-radius: 15px;
    box-shadow: 
        inset 3px 0 8px rgba(255,255,255,0.5),
        5px 5px 20px rgba(51, 204, 51, 0.3);
}

/* Rosettes VERTES brillantes */
.rosette {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, var(--kmds-green-light), var(--kmds-green-dark));
    border-radius: 50%;
    border: 3px solid var(--kmds-green-dark);
    box-shadow: 
        0 0 30px var(--kmds-green),
        0 0 60px var(--kmds-green),
        inset 0 2px 5px rgba(255,255,255,0.4);
    animation: rosetteGlow 2s infinite, rosetteSpin 4s linear infinite;
    z-index: 10;
}

@keyframes rosetteGlow {
    0%, 100% { 
        box-shadow: 0 0 30px var(--kmds-green), 0 0 60px var(--kmds-green), inset 0 2px 5px rgba(255,255,255,0.4);
    }
    50% { 
        box-shadow: 0 0 50px var(--kmds-green-light), 0 0 100px var(--kmds-green-light), inset 0 2px 5px rgba(255,255,255,0.6);
    }
}

@keyframes rosetteSpin {
    from { transform: translateX(-50%) rotate(0deg); }
    to { transform: translateX(-50%) rotate(360deg); }
}

.rosette::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 15px;
    height: 15px;
    background: var(--kmds-black);
    border-radius: 50%;
}

/* Lisses */
.horizontal-ledgers {
    position: absolute;
    bottom: 55px;
    width: 100%;
    height: 700px;
}

.ledger {
    position: absolute;
    left: 120px;
    right: 120px;
    height: 20px;
    background: linear-gradient(90deg, #757575, #BDBDBD, #E0E0E0, #BDBDBD, #757575);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(51, 204, 51, 0.2);
}

/* Diagonales VERTES ultra brillantes */
.diagonal-braces {
    position: absolute;
    bottom: 55px;
    width: 100%;
    height: 700px;
}

.diagonal {
    position: absolute;
    width: 350px;
    height: 20px;
    background: linear-gradient(90deg, 
        var(--kmds-green-dark),
        var(--kmds-green),
        var(--kmds-green-light),
        var(--kmds-green),
        var(--kmds-green-dark)
    );
    border-radius: 10px;
    box-shadow: 
        0 0 30px var(--kmds-green),
        0 0 60px var(--kmds-green),
        inset 0 2px 4px rgba(255,255,255,0.4);
    animation: diagonalPulse 3s infinite;
}

@keyframes diagonalPulse {
    0%, 100% { 
        box-shadow: 0 0 30px var(--kmds-green), 0 0 60px var(--kmds-green), inset 0 2px 4px rgba(255,255,255,0.4);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 50px var(--kmds-green-light), 0 0 100px var(--kmds-green-light), inset 0 2px 4px rgba(255,255,255,0.6);
        transform: scale(1.02);
    }
}

.d1 { bottom: 15%; left: 135px; transform: rotate(15deg); }
.d2 { bottom: 15%; right: 135px; transform: rotate(-15deg); }
.d3 { bottom: 55%; left: 135px; transform: rotate(15deg); }
.d4 { bottom: 55%; right: 135px; transform: rotate(-15deg); }

/* Planchers */
.platforms {
    position: absolute;
    width: 100%;
    height: 700px;
    bottom: 55px;
}

.platform {
    position: absolute;
    left: 115px;
    right: 115px;
    height: 30px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.plank {
    flex: 1;
    background: linear-gradient(90deg, #8D6E63, #A1887F, #BCAAA4, #A1887F, #8D6E63);
    border-radius: 3px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}

.trapdoor {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 20px;
    background: #6D4C41;
    border: 2px solid #4E342E;
    border-radius: 2px;
}

/* Garde-corps VERTS */
.guardrails {
    position: absolute;
    top: 20px;
    left: 115px;
    right: 115px;
    height: 120px;
}

.rail {
    position: absolute;
    left: 0;
    right: 0;
    height: 18px;
    background: linear-gradient(90deg, 
        var(--kmds-green-dark),
        var(--kmds-green),
        var(--kmds-green-light),
        var(--kmds-green),
        var(--kmds-green-dark)
    );
    border-radius: 9px;
    box-shadow: 
        0 0 30px var(--kmds-green),
        0 0 60px var(--kmds-green);
    animation: railGlow 2s infinite;
}

@keyframes railGlow {
    0%, 100% { box-shadow: 0 0 30px var(--kmds-green), 0 0 60px var(--kmds-green); }
    50% { box-shadow: 0 0 50px var(--kmds-green-light), 0 0 100px var(--kmds-green-light); }
}

.top-rail { top: 0; }
.mid-rail { top: 50px; height: 16px; }

.toeboard {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(180deg, #616161, #424242);
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(51, 204, 51, 0.3);
}

/* Timeline */
.construction-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-step {
    padding: 25px;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(51, 204, 51, 0.3);
    border-left: 5px solid var(--kmds-green);
    transition: all 0.3s;
    cursor: pointer;
}

.timeline-step:hover {
    transform: translateX(10px);
    box-shadow: 0 0 30px rgba(51, 204, 51, 0.5);
    background: rgba(51, 204, 51, 0.1);
}

.step-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--kmds-green);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: 10px;
}

.timeline-step h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 8px;
}

.timeline-step p {
    color: rgba(255, 255, 255, 0.7);
}

/* Services, Stats, Contact - même style glassmorphism */
.services-grid,
.stats-container,
.contact-content {
    display: grid;
    gap: 30px;
    margin-top: 60px;
}

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

.service-card {
    padding: 50px 30px;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(51, 204, 51, 0.3);
    border-radius: 20px;
    transition: all 0.4s;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--kmds-green);
    box-shadow: 0 0 50px rgba(51, 204, 51, 0.6);
    background: rgba(51, 204, 51, 0.1);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 25px;
    filter: drop-shadow(0 0 10px var(--kmds-green));
}

.service-card h3 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 15px;
}

.service-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--kmds-green);
    font-weight: 800;
    text-shadow: 0 0 10px var(--kmds-green);
}

/* Stats */
.stats-container {
    grid-template-columns: repeat(4, 1fr);
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(51, 204, 51, 0.3);
    border-radius: 20px;
    transition: all 0.3s;
}

.stat-item:hover {
    transform: scale(1.1);
    box-shadow: 0 0 50px rgba(51, 204, 51, 0.8);
}

.stat-number {
    font-size: 5rem;
    font-weight: 900;
    color: var(--kmds-green);
    margin-bottom: 15px;
    text-shadow: 0 0 30px var(--kmds-green), 0 0 60px var(--kmds-green);
}

.stat-label {
    font-size: 1.2rem;
    color: var(--white);
}

/* Footer */
.footer {
    padding: 60px 40px;
    text-align: center;
    background: rgba(26, 26, 26, 0.9);
    border-top: 1px solid rgba(51, 204, 51, 0.3);
}

.footer-logo {
    height: 60px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(51, 204, 51, 0.8));
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 1200px) {
    .scaffold-stage { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .stats-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-logo-large .letter { font-size: 5rem; letter-spacing: 0px; }
    .hero-logo-large .letter-k { font-size: 4.2rem; }
    .section-title { font-size: 2.5rem; }
    .scaffold-structure { transform: scale(0.6); }
    .stats-container { grid-template-columns: 1fr; }
}