/* ============================================
   BRAIN CONSTRUCTION SARL — Design System
   Premium Dark Theme + Gold Accents
   ============================================ */

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

/* ─── CSS Variables ─── */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #161620;
    --bg-card-hover: #1c1c2a;
    --bg-glass: rgba(22, 22, 32, 0.7);
    --bg-glass-border: rgba(212, 168, 83, 0.15);

    --gold: #d4a853;
    --gold-light: #e8c97a;
    --gold-dark: #b8923f;
    --gold-gradient: linear-gradient(135deg, #d4a853 0%, #f0d78c 50%, #b8923f 100%);

    --text-primary: #f5f5f7;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;

    --accent-blue: #4a9eff;
    --accent-green: #34d399;

    --border-color: rgba(255, 255, 255, 0.06);
    --border-gold: rgba(212, 168, 83, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 8px 32px rgba(212, 168, 83, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    --container-width: 1280px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

/* ─── Particles Background ─── */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--gold);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.1;
    }

    100% {
        opacity: 0;
        transform: translateY(-20vh) scale(1);
    }
}

/* ─── Preloader ─── */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-content {
    text-align: center;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.preloader-bar {
    width: 200px;
    height: 3px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 auto;
}

.preloader-progress {
    width: 0%;
    height: 100%;
    background: var(--gold-gradient);
    border-radius: 4px;
    animation: preloaderProgress 2s ease-in-out forwards;
}

@keyframes preloaderProgress {
    0% {
        width: 0%;
    }

    50% {
        width: 70%;
    }

    100% {
        width: 100%;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* ─── Header / Navigation ─── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-base);
    z-index: -1;
}

.header.scrolled::before {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

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

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

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gold-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--bg-primary);
    font-family: var(--font-display);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.3) 50%, transparent 60%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) rotate(0deg);
    }

    100% {
        transform: translateX(100%) rotate(0deg);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--gold);
}

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

.nav-link {
    padding: 8px 18px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--gold-gradient);
    color: var(--bg-primary) !important;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-left: 12px;
    transition: var(--transition-base);
    box-shadow: var(--shadow-gold);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(212, 168, 83, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ─── Hero Section ─── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: 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;
    filter: brightness(0.35) saturate(0.8);
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            rgba(10, 10, 15, 0.5) 0%,
            rgba(10, 10, 15, 0.3) 40%,
            rgba(10, 10, 15, 0.7) 80%,
            rgba(10, 10, 15, 1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: calc(var(--header-height) + 20px) 20px 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--gold);
    font-weight: 500;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeInDown 1s ease 0.3s both;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-title .highlight {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.7s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.9s both;
}

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    margin-top: 4rem;
    animation: fadeInUp 1s ease 1.1s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gold);
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ─── Animations ─── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

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

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(212, 168, 83, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-gold);
}

.btn-outline:hover {
    background: rgba(212, 168, 83, 0.1);
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-3px);
}

.btn-icon {
    font-size: 1.1rem;
}

/* ─── Section Styles ─── */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--gold);
    opacity: 0.5;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-title .highlight {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ─── Services Section ─── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-gold);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--gold-gradient);
    border-color: transparent;
}

.service-card:hover .service-icon svg {
    filter: brightness(0);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ─── Projects Section ─── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    group: true;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px 28px 28px;
    background: linear-gradient(0deg, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.6) 60%, transparent 100%);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-base);
}

.project-card:hover .project-overlay {
    transform: translateY(0);
    opacity: 1;
}

.project-category {
    font-size: 0.8rem;
    color: var(--gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.project-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.project-location {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects filter */
.projects-filter {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(212, 168, 83, 0.15);
    border-color: var(--gold);
    color: var(--gold);
}

/* ─── Counters / Stats Section ─── */
.stats-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 30px 10px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

.stat-divider {
    width: 40px;
    height: 2px;
    background: var(--gold);
    margin: 12px auto 0;
    opacity: 0.5;
    border-radius: 2px;
}

/* ─── About / Why Us Section ─── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    aspect-ratio: 4/3;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--border-gold);
    border-radius: var(--radius-lg);
    transform: translate(15px, 15px);
    z-index: -1;
}

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.about-feature-icon {
    color: var(--gold);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ─── Testimonials ─── */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    color: var(--gold);
    margin-bottom: 20px;
    font-size: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gold-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-primary);
    font-size: 1.1rem;
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ─── CTA Section ─── */
.cta-section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.08), rgba(10, 10, 15, 0.95));
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1.2rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ─── Contact Section ─── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info-card>p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-item-icon {
    width: 44px;
    height: 44px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    flex-shrink: 0;
}

.contact-item-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-item-content a {
    color: var(--gold);
}

.contact-item-content a:hover {
    text-decoration: underline;
}

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 2rem;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--gold);
    color: var(--bg-primary);
    border-color: var(--gold);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.15);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

/* ─── Footer ─── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 300px;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--gold);
    padding-left: 8px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

/* ─── Page Header (for inner pages) ─── */
.page-header {
    padding: 160px 0 80px;
    text-align: center;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.page-header .breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.page-header .breadcrumb a {
    color: var(--gold);
}

.page-header .breadcrumb span {
    color: var(--text-muted);
}

/* ─── Services Detail Page ─── */
.services-detail-grid {
    display: grid;
    gap: 40px;
}

.service-detail-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 30px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.service-detail-card:hover {
    border-color: var(--border-gold);
    transform: translateX(8px);
}

.service-detail-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.service-detail-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.service-detail-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.service-detail-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-feature-tag {
    padding: 6px 14px;
    background: rgba(212, 168, 83, 0.08);
    border: 1px solid var(--border-gold);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--gold);
    font-weight: 500;
}

/* ─── Process / Timeline ─── */
.process-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    width: 2px;
    height: 100%;
    background: var(--border-gold);
}

.process-step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.process-number {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 2px solid var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--gold);
    flex-shrink: 0;
    z-index: 2;
}

.process-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.process-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ─── Portfolio Gallery ─── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item:hover img {
    transform: scale(1.06);
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 24px 24px;
    background: linear-gradient(0deg, rgba(10, 10, 15, 0.9) 0%, transparent 100%);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-base);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-info h3 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.portfolio-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ─── About Page Specific ─── */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    transition: var(--transition-base);
}

.value-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: rgba(212, 168, 83, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.value-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.value-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Team section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
}

.team-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-6px);
}

.team-photo {
    aspect-ratio: 1;
    overflow: hidden;
}

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

.team-card:hover .team-photo img {
    transform: scale(1.05);
}

.team-info {
    padding: 20px;
    text-align: center;
}

.team-info h3 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.team-info p {
    color: var(--gold);
    font-size: 0.85rem;
    font-weight: 500;
}

/* ─── Map Container ─── */
.map-container {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-top: 40px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(0.7) contrast(1.1) brightness(0.7);
}

/* ─── WhatsApp Float Button ─── */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition-base);
    animation: whatsappBounce 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes whatsappBounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* ─── Responsive Design ─── */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 4px;
        transition: var(--transition-base);
        border-left: 1px solid var(--border-color);
        align-items: flex-start;
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px 0;
        width: 100%;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .hero-stats {
        gap: 30px;
    }

    .hero-stat-number {
        font-size: 1.8rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

    .service-detail-card {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 70px 0;
    }

    .testimonials-slider {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .projects-filter {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
}

/* ─── Utility Classes ─── */
.text-gold {
    color: var(--gold);
}

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

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 1rem;
}

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

.mt-3 {
    margin-top: 3rem;
}

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

.text-gold {
    color: var(--gold);
}

.highlight {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold-dark);
}

/* ─── Selection ─── */
::selection {
    background: rgba(212, 168, 83, 0.3);
    color: var(--text-primary);
}