/* ============================================
   OMERCO — Style Sheet
   Modern, clean, production-ready
   ============================================ */

/* Font */
@font-face {
    font-family: 'Zekton';
    src: url('fonts/ZektonExBl-Regular.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --red: #D42C2C;
    --red-dark: #B01E1E;
    --charcoal: #1A1A1A;
    --white: #FFFFFF;
    --light: #F5F5F5;
    --gray: #888888;
    --font-heading: 'Zekton', 'Montserrat', Arial, sans-serif;
    --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --header-h: 80px;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--charcoal);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--red);
    height: var(--header-h);
    transition: background 0.3s, box-shadow 0.3s;
}

.header.scrolled {
    background: rgba(212, 44, 44, 0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo-img {
    height: 32px;
    width: auto;
    /* Make the red SVG white for the header */
    filter: brightness(0) invert(1);
    transition: filter 0.3s;
}

.logo:hover .logo-img {
    filter: brightness(0) invert(1) drop-shadow(0 0 4px rgba(255,255,255,0.3));
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav a {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
    transition: color 0.3s;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: width 0.3s;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.nav a:hover {
    color: var(--white);
    opacity: 0.9;
}

/* Language toggle */
.lang-toggle {
    background: transparent;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: 16px;
    flex-shrink: 0;
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
}

.header.scrolled .lang-toggle {
    border-color: rgba(26, 26, 26, 0.4);
    color: var(--charcoal);
}

.header.scrolled .lang-toggle:hover {
    background: rgba(26, 26, 26, 0.08);
    border-color: var(--charcoal);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: kenburns 20s ease-in-out infinite alternate;
}

/* Hide fallback image when video plays */
.hero-fallback {
    display: none;
}

@keyframes kenburns {
    0% {
        transform: scale(1) translate(0, 0);
    }
    100% {
        transform: scale(1.1) translate(-1%, -1%);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.10) 40%,
        rgba(0, 0, 0, 0.60) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 24px;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 1.2;
    margin-bottom: 32px;
    text-shadow: 0 2px 30px rgba(0,0,0,0.5);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--red);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--red-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 44, 44, 0.4);
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 24px;
    color: var(--charcoal);
}

.about-text p {
    margin-bottom: 16px;
    color: #444;
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--red);
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 100px 0;
    background: var(--red);
    color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    text-align: center;
}

.service-img-wrap {
    overflow: hidden;
    border-radius: 4px;
    margin-bottom: 24px;
    aspect-ratio: 16/9;
}

.service-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.service-card:hover .service-img-wrap img {
    transform: scale(1.05);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    color: var(--white);
}

.service-card p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: #ccc;
    padding: 0 8px;
}

/* ============================================
   RÉALISATIONS
   ============================================ */
.realisations {
    padding: 100px 0;
    background: var(--light);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-align: center;
    margin-bottom: 48px;
    color: var(--charcoal);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--red);
    margin: 16px auto 0;
}

/* Videos */
.videos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.video-wrap {
    border-radius: 4px;
    overflow: hidden;
    background: var(--charcoal);
}

.video-wrap video {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    aspect-ratio: 1/1;
    position: relative;
}

.gallery-item.featured {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s, filter 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(212, 44, 44, 0);
    transition: background 0.3s;
    pointer-events: none;
}

.gallery-item:hover::after {
    background: rgba(212, 44, 44, 0.15);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    padding: 16px;
    opacity: 0.7;
    transition: opacity 0.3s;
    z-index: 10000;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
}

.lightbox-close {
    top: 16px;
    right: 24px;
    font-size: 3rem;
}

.lightbox-prev {
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--red);
    color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
}

.contact-map {
    border-radius: 4px;
    overflow: hidden;
    min-height: 400px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    min-height: 400px;
}

.contact-form-wrap h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

.contact-info {
    margin-bottom: 28px;
}

.contact-info p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.9);
}

.contact-info svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--white);
    stroke: var(--white);
}

.contact-info a {
    color: rgba(255,255,255,0.9);
    transition: color 0.3s;
}

.contact-info a:hover {
    color: var(--white);
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.3);
    background: rgba(0,0,0,0.2);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    border-radius: 4px;
    transition: border-color 0.3s, background 0.3s;
    outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255,255,255,0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--white);
    background: rgba(0,0,0,0.3);
}

.contact-form .btn {
    align-self: flex-start;
    border-radius: 4px;
    background: var(--white);
    color: var(--red);
    font-weight: 700;
}

.contact-form .btn:hover {
    background: var(--charcoal);
    color: var(--white);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--red-dark);
    padding: 40px 0;
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    height: 24px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.5;
}

.footer-links {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links .separator {
    color: rgba(255,255,255,0.3);
}

.footer-copy {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--red);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--red-dark);
    transform: translateY(-3px);
}

/* ============================================
   FADE-IN ANIMATION
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-height: 400px;
        overflow: hidden;
        border-radius: 4px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
        gap: 48px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .nav-toggle {
        display: flex;
    }

    .lang-toggle {
        margin-left: auto;
        margin-right: 12px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--red-dark);
        padding: 100px 32px 32px;
        transition: right 0.3s;
        z-index: 999;
        box-shadow: -4px 0 20px rgba(0,0,0,0.3);
    }

    .nav.open {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: 24px;
    }

    .nav a {
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .about {
        padding: 60px 0;
    }

    .services {
        padding: 60px 0;
    }

    .realisations {
        padding: 60px 0;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .contact {
        padding: 60px 0;
    }

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

    .section-title {
        font-size: 1.5rem;
    }

    .about-text h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .btn {
        padding: 12px 28px;
        font-size: 0.8rem;
    }
}