/* ============================================
   ETP ZAHAF CHOUAIB — Portfolio Website
   Modern Construction Company Portfolio
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #d4a24e;
    --color-primary-dark: #b8872f;
    --color-primary-light: #f0d8a0;
    --color-dark: #0a0a0a;
    --color-dark-2: #141414;
    --color-dark-3: #1e1e1e;
    --color-dark-4: #2a2a2a;
    --color-gray: #888;
    --color-gray-light: #bbb;
    --color-white: #f5f5f5;
    --color-white-pure: #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 60px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-dark);
    color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-accent {
    color: var(--color-primary);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 1px;
    line-height: 1.2;
}

.logo-sub {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--color-primary);
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-light);
    border-radius: 100px;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-white);
    background: var(--color-dark-3);
}

.nav-cta {
    background: var(--color-primary) !important;
    color: var(--color-dark) !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--color-primary-dark) !important;
    color: var(--color-dark) !important;
}

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

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.7) 50%, rgba(10, 10, 10, 0.85) 100%),
        url('../images/projet2/2.jpeg') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(212, 162, 78, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 162, 78, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    padding: 140px 0 80px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(212, 162, 78, 0.1);
    border: 1px solid rgba(212, 162, 78, 0.3);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-primary);
    margin-bottom: 32px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 18px;
    color: var(--color-gray-light);
    max-width: 600px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 100px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 162, 78, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 1.5px solid var(--color-dark-4);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* --- Hero Stats --- */
.hero-stats {
    display: flex;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--color-dark-3);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--color-gray);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s ease infinite;
}

.hero-scroll a {
    color: var(--color-gray);
}

.hero-scroll a:hover {
    color: var(--color-primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-description {
    font-size: 16px;
    color: var(--color-gray);
    max-width: 560px;
    line-height: 1.7;
}

/* --- About Section --- */
.about {
    background: var(--color-dark-2);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content p {
    color: var(--color-gray-light);
    margin-bottom: 20px;
    font-size: 15px;
}

.about-lead {
    font-size: 17px !important;
    line-height: 1.8;
}

.about-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 162, 78, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-primary);
    padding: 12px;
}

.feature h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.feature p {
    font-size: 13px !important;
    color: var(--color-gray) !important;
    margin-bottom: 0 !important;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.about-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
}

.badge-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.badge-text {
    font-size: 12px;
    color: var(--color-gray);
    font-weight: 500;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--color-dark-2);
    border: 1px solid var(--color-dark-3);
    border-radius: var(--border-radius);
    padding: 40px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-dark-4);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 14px;
    color: var(--color-gray);
    line-height: 1.7;
}

/* --- Projects Section --- */
.projects {
    background: var(--color-dark-2);
}

.project-card {
    background: var(--color-dark);
    border: 1px solid var(--color-dark-3);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    margin-bottom: 40px;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--color-dark-4);
}

.project-card:last-child {
    margin-bottom: 0;
}

.project-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 20px;
}

.project-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-dark-3);
    line-height: 1;
    min-width: 80px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.project-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.project-tag {
    display: inline-block;
    padding: 4px 14px;
    background: rgba(212, 162, 78, 0.1);
    border: 1px solid rgba(212, 162, 78, 0.2);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
}

.project-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-gray);
}

.project-description {
    font-size: 15px;
    color: var(--color-gray-light);
    max-width: 700px;
    margin-bottom: 32px;
    line-height: 1.8;
}

/* --- Gallery --- */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--color-white);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.project-details {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--color-dark-3);
}

.detail {
    font-size: 14px;
    color: var(--color-gray);
}

.detail strong {
    color: var(--color-white);
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: var(--color-dark-2);
    border: 1px solid var(--color-dark-3);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--color-dark-4);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 162, 78, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-primary);
    padding: 12px;
}

.contact-card h4 {
    font-size: 13px;
    color: var(--color-gray);
    font-weight: 500;
    margin-bottom: 2px;
}

.contact-card p {
    font-size: 15px;
    font-weight: 600;
}

.map-placeholder {
    background: var(--color-dark-2);
    border: 1px solid var(--color-dark-3);
    border-radius: var(--border-radius-lg);
    padding: 80px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--color-gray);
    min-height: 360px;
    justify-content: center;
}

.map-placeholder svg {
    color: var(--color-primary);
    opacity: 0.6;
}

.map-placeholder h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-white);
}

.map-placeholder p {
    font-size: 14px;
    color: var(--color-gray);
}

/* --- Footer --- */
.footer {
    background: var(--color-dark-2);
    border-top: 1px solid var(--color-dark-3);
    padding: 64px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 64px;
    padding-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-gray);
    max-width: 300px;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-gray);
}

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

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--color-dark-3);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-gray);
}

/* --- Lightbox --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-content img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    background: none;
    border: none;
    color: white;
    font-size: 36px;
    cursor: pointer;
    z-index: 1;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 48px;
    }
    
    .hero-stats {
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 20px;
        padding: 12px 32px;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat {
        flex-direction: row;
        align-items: baseline;
        gap: 12px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .section {
        padding: 80px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .about-image-wrapper img {
        height: 350px;
    }

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

    .project-card {
        padding: 28px;
    }

    .project-header {
        flex-direction: column;
        gap: 8px;
    }

    .project-number {
        font-size: 2.5rem;
    }

    .project-title {
        font-size: 1.4rem;
    }

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

    .project-details {
        flex-direction: column;
        gap: 12px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .project-gallery {
        grid-template-columns: 1fr;
    }

    .hero-badge {
        font-size: 11px;
    }
}