:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #000000;
    --secondary-bg: #f5f5f5;
    --border-color: #e0e0e0;
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 35px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    border-radius: 50px;
    /* Pill shape */
}

.btn-primary {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #ffffff;
    color: #ffffff;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #000000;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 25px;
    font-size: 0.75rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* HEADER */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #000;
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover img {
    opacity: 0.8;
}

.nav-menu ul {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #000;
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 25px;
}

.lang-switch {
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    gap: 8px;
    color: #666;
}

.lang-option {
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition);
}

.lang-option.active,
.lang-option:hover {
    opacity: 1;
    color: #000;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: #000;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

@keyframes scaleSlow {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.1);
    }
}

.hero-bg .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.subtitle {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 25px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 30px;
    backdrop-filter: blur(5px);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 30px;
    font-weight: 400;
    /* Playfair looks good with lighter weights too */
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 650px;
    font-weight: 300;
}

.hero-tags {
    margin-bottom: 50px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
    opacity: 0;
    animation: fadeIn 1s 1s forwards;
}

.scroll-indicator span {
    width: 4px;
    height: 10px;
    background-color: #fff;
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateY(20px);
        opacity: 0;
    }
}

/* SECTIONS COMMON */
section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 80px;
}

.section-header.centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: #666;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 25px;
    color: #000;
}

.section-desc {
    font-size: 1.15rem;
    color: #555;
    line-height: 1.8;
}

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

.about-text p {
    margin-bottom: 25px;
    color: #444;
}

.about-list {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}

.about-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    font-weight: 500;
}

.about-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background-color: #000;
    border-radius: 50%;
}

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

/* METRIC CARDS */
.metric-card {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 50px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-radius: 0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.metric-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.03);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.metric-card:hover {
    transform: translateY(-20px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    border-color: transparent;
    background-color: #fff;
}

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

.metric-card:hover::after {
    width: 500px;
    height: 500px;
}

.metric-card h3 {
    font-size: 3rem;
    margin-bottom: 10px;
    color: #000;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.metric-card:hover h3 {
    transform: scale(1.1);
    color: #000;
}

.metric-label {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 10px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.metric-card:hover .metric-label {
    transform: translateX(5px);
}

.metric-desc {
    font-size: 0.9rem;
    opacity: 0.6;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.metric-card:hover .metric-desc {
    opacity: 0.8;
}

/* SERVICES */
.services {
    background-color: var(--secondary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* SERVICE CARDS */
.service-card {
    background-color: #fff;
    padding: 60px 40px;
    border-radius: 0;
    /* Sharp corners */
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    z-index: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1a1a;
    z-index: -1;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.service-card:hover {
    transform: translateY(-15px);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.service-card:hover::after {
    transform: scaleY(1);
}

.service-card:hover h3,
.service-card:hover .service-icon,
.service-card:hover ul li {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}

.service-icon {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: #e0e0e0;
    margin-bottom: 30px;
    line-height: 1;
    transition: var(--transition);
}

.service-card h3 {
    font-size: 2rem;
    margin-bottom: 25px;
    transition: var(--transition);
}

.service-card ul li {
    margin-bottom: 12px;
    font-size: 1rem;
    color: #555;
    padding-left: 20px;
    border-left: 2px solid #f0f0f0;
    transition: var(--transition);
}

/* PROJECTS */
.projects-toggle {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
}

.toggle-btn {
    background: none;
    border: none;
    color: #999;
    font-size: 1.1rem;
    font-family: var(--font-heading);
    cursor: pointer;
    padding-bottom: 10px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.toggle-btn.active {
    color: #000;
    border-bottom-color: #000;
}

.projects-grid {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.projects-grid.active {
    display: grid;
}


.project-image {
    height: 400px;
    width: 100%;
    background-size: cover;
    background-position: center;
    border-radius: 20px;
    margin-bottom: 25px;
    overflow: hidden;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    transition: var(--transition);
}


.project-info {
    padding: 0 10px;
}

.project-category {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-bottom: 10px;
}


.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    color: #555;
}

.status-badge {
    padding: 6px 12px;
    background-color: #f5f5f5;
    border-radius: 30px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Play Overlay */
.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0);
    transition: var(--transition);
    opacity: 0;
}

.project-image:hover .play-overlay {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.5);
}

.play-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #000;
    padding-left: 5px;
    transform: scale(0.8);
    transition: var(--transition);
}

.project-image:hover .play-icon {
    transform: scale(1);
}

/* Video Modal */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

.video-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10001;
}

.video-close:hover {
    color: #ccc;
    transform: scale(1.1);
}

.video-modal video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* CONTACT */
.contact {
    background-color: #000;
    color: #fff;
    padding: 0;
    margin-top: 0;
}

.contact-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.contact-left {
    background-color: #000;
    display: flex;
    align-items: center;
    padding: 80px 60px;
    position: relative;
}

.contact-left::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.9)),
        url('img/house.png');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.contact-content {
    max-width: 500px;
    position: relative;
    z-index: 1;
}

.contact-left .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.contact-left h2 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 30px;
}

.contact-left p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 60px;
    line-height: 1.8;
}

.contact-info-list {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 40px;
}

.info-item {
    margin-bottom: 40px;
}

.info-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 12px;
}

.info-item a {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #fff;
    text-decoration: none;
    margin: 8px 0;
    transition: var(--transition);
}

.info-item a:hover {
    color: #ccc;
    transform: translateX(5px);
}

.contact-right {
    background-color: #fff;
    display: flex;
    align-items: center;
    padding: 80px 60px;
}

.bold-form {
    width: 100%;
    max-width: 500px;
}

.bold-form .form-group {
    position: relative;
    margin-bottom: 40px;
}

.bold-form .form-group label {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
    pointer-events: none;
    transition: var(--transition);
    font-weight: 600;
}

.bold-form .form-group input,
.bold-form .form-group textarea {
    width: 100%;
    padding: 30px 0 12px 0;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid #ddd;
    color: #000;
    font-family: var(--font-main);
    transition: var(--transition);
    font-size: 1.1rem;
}

.bold-form .form-group input:focus,
.bold-form .form-group textarea:focus {
    outline: none;
    border-bottom-color: #000;
}

.bold-form .form-group input:focus+label,
.bold-form .form-group input:not(:placeholder-shown)+label,
.bold-form .form-group textarea:focus+label,
.bold-form .form-group textarea:not(:placeholder-shown)+label {
    color: #000;
}

.bold-form button {
    width: 100%;
    margin-top: 20px;
    padding: 18px;
    font-size: 1rem;
}

/* FOOTER */
footer {
    padding: 60px 0;
    background-color: #000;
    color: #fff;
    font-size: 0.9rem;
}

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

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    height: 60px;
    width: 90px;
    object-fit: contain;
}

.footer-info {
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-right {
    text-align: right;
}

.copyright {
    opacity: 0.7;
}

/* ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

/* Staggered Delays */
.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

/* Image Reveal */
.project-image,
.hero-bg img {
    opacity: 0;
    transform: scale(1.1);
    transition: opacity 1.5s ease, transform 1.5s ease;
}

.project-image.loaded,
.hero-bg img.loaded {
    opacity: 1;
    transform: scale(1);
}

/* Text Reveal */
h1,
h2,
.subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards;
}

h1 {
    animation-delay: 0.3s;
}

.subtitle {
    animation-delay: 0.1s;
}

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

/* RESPONSIVE */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

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

    .contact-left,
    .contact-right {
        min-height: 60vh;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 30px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    }

    .nav-menu.active {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: 20px;
    }

    .hamburger {
        display: flex;
    }

    .header-actions .btn {
        display: none;
    }

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

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

    .hero-content {
        padding-top: 60px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .footer-left,
    .footer-right {
        align-items: center;
    }

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

/* === PROJECTS GRID & CARDS === */

.projects-grid {
    /* Shown when .active is added (JS/tab control) */
    display: none;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.projects-grid.active {
    display: grid;
}

/* Single project card */
.project-card {
    position: relative;
    cursor: pointer;
}

/* IMAGE CONTAINER */
.project-image {
    position: relative;
    width: 100%;
    height: 400px;
    /* or use: aspect-ratio: 16 / 9; */
    border-radius: 20px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

/* Light overlay on hover */
.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: background-color 0.3s ease;
}

.project-card:hover .project-image {
    transform: scale(0.98);
}

.project-card:hover .project-image::after {
    background-color: rgba(0, 0, 0, 0.1);
}

/* Optional fade-in helper (visible by default) */
.project-image {
    opacity: 1;
    transform: scale(1);
    transition: opacity 1.5s ease, transform 1.5s ease;
}

.project-image.is-loading {
    opacity: 0;
    transform: scale(1.05);
}

.project-image.is-loaded {
    opacity: 1;
    transform: scale(1);
}

/* TEXT BLOCK */
.project-info {
    padding: 0 10px;
}

.project-category {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #888;
    margin-bottom: 10px;
}

.project-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    transition: var(--transition);
}

.project-card:hover h3 {
    color: #555;
}

.project-card p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

/* META & STATUS BADGE */
.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    color: #555;
}

.status-badge {
    padding: 6px 12px;
    background-color: #f5f5f5;
    border-radius: 30px;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-badge.warning {
    background-color: #fff3cd;
    color: #856404;
}