/* ===================================
   Global Styles & Reset
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #C9A961;
    --secondary-color: #8B7355;
    --accent-color: #D4AF37;
    --dark-color: #3E2723;
    --light-color: #FFF8DC;
    --white: #FFFFFF;
    --cream: #F5E6D3;
    --text-color: #5D4037;
    --gray: #A1887F;
    --success: #6D8B74;

    --transition: all 0.3s ease;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 50px rgba(0, 0, 0, 0.15);
}

html {
    /* scroll-behavior: smooth; - Using custom fast scroll in JS */
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-color);
    overflow-x: hidden;
    max-width: 100vw;
}

html {
    overflow-x: hidden;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 800;
}

.logo-orin {
    color: var(--primary-color);
}

.logo-insaat {
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--cream) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1541976844346-f18aeac57b06?q=80&w=2000') center/cover;
    opacity: 0.15;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.15) 0%, rgba(212, 175, 55, 0.1) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--dark-color);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 8px 25px rgba(201, 169, 97, 0.3);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}


/* ===================================
   Stats Section
   =================================== */
.stats {
    padding: 5rem 0;
    background: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: var(--light-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray);
    font-weight: 500;
}

/* ===================================
   Section Styles
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 6rem 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.1);
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.9), rgba(139, 115, 85, 0.9));
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image:hover .about-image-overlay {
    opacity: 1;
}

.about-badge {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.about-badge h3 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-color);
    border-radius: 10px;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.feature-item i {
    color: var(--success);
    font-size: 1.5rem;
}

/* ===================================
   Timeline Section
   =================================== */
.timeline-section {
    padding: 2.5rem 0 1.5rem 0;
    background: linear-gradient(135deg, var(--light-color) 0%, var(--cream) 100%);
    position: relative;
    overflow: hidden;
}

.timeline-section .section-header {
    margin-bottom: 1.5rem;
}

.timeline-section .section-title {
    font-size: 2.2rem;
    margin-bottom: 0.3rem;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    box-shadow: 0 0 8px rgba(33, 150, 243, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 0.5rem;
    width: 100%;
    display: flex;
    justify-content: flex-end;
}

.timeline-item-right {
    justify-content: flex-start;
}

.timeline-content {
    width: 48%;
    padding: 1.2rem 1.5rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item-right .timeline-content {
    text-align: left;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.timeline-year {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}

.timeline-content h3 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 0.4rem;
}

.timeline-content p {
    color: var(--text-color);
    line-height: 1.5;
    font-size: 0.85rem;
}

.timeline-dot {
    width: 18px;
    height: 18px;
    background: var(--secondary-color);
    border: 3px solid var(--white);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 1.5rem;
    transform: translateX(-50%);
    box-shadow: 0 0 15px rgba(255, 152, 0, 0.5);
    z-index: 2;
}

/* ===================================
   Projects Section
   =================================== */
.projects {
    padding: 6rem 0;
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-image {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.2);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.95), rgba(139, 115, 85, 0.95));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.project-info {
    padding: 1.5rem;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray);
    font-size: 0.9rem;
}

.project-meta i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--cream) 0%, var(--white) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: rotate(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-color);
    line-height: 1.7;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 6rem 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-form {
    background: var(--light-color);
    padding: 3rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(33, 150, 243, 0.2);
}

.form-group textarea {
    resize: vertical;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    margin-bottom: 1.5rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-col ul li {
    margin-bottom: 0.8rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul li:hover {
    opacity: 1;
    transform: translateX(5px);
}

.footer-col ul li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 5px 20px rgba(33, 150, 243, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.6);
}

/* ===================================
   Scroll Reveal Animations
   =================================== */
/* Default: Show content (fallback if JS doesn't load) */
[data-scroll-reveal] {
    opacity: 1;
    transform: translate(0, 0);
    transition: all 0.8s ease-out;
}

/* Only hide for animation if JS is loaded */
body.js-loaded [data-scroll-reveal]:not(.revealed) {
    opacity: 0;
}

body.js-loaded [data-scroll-reveal="fade-up"]:not(.revealed) {
    transform: translateY(50px);
}

body.js-loaded [data-scroll-reveal="fade-down"]:not(.revealed) {
    transform: translateY(-50px);
}

body.js-loaded [data-scroll-reveal="fade-left"]:not(.revealed) {
    transform: translateX(50px);
}

body.js-loaded [data-scroll-reveal="fade-right"]:not(.revealed) {
    transform: translateX(-50px);
}

body.js-loaded [data-scroll-reveal="timeline-left"]:not(.revealed) {
    transform: translateX(-100px);
}

body.js-loaded [data-scroll-reveal="timeline-right"]:not(.revealed) {
    transform: translateX(100px);
}

[data-scroll-reveal].revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        right: 0;
        top: 80px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        max-width: 100vw;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
        cursor: pointer;
        position: relative;
    }

    /* Prevent horizontal scroll on mobile */
    body {
        overflow-x: hidden;
        max-width: 100vw;
        position: relative;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .timeline-line {
        left: 30px;
    }

    .timeline-item,
    .timeline-item-right {
        flex-direction: row;
    }

    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px;
    }

    .timeline-dot {
        left: 30px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .stat-item {
        padding: 1rem 0.5rem;
    }

    .stat-icon {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .stat-number {
        font-size: 1.8rem;
        margin-bottom: 0.3rem;
    }

    .stat-label {
        font-size: 0.75rem;
        line-height: 1.3;
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        justify-items: center;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .project-card {
        padding: 0;
        width: 100%;
        max-width: 100%;
    }

    .project-image {
        height: 180px;
    }

    .project-info {
        padding: 0.8rem;
    }

    .project-info h3 {
        font-size: 0.95rem;
        margin-bottom: 0.3rem;
    }

    .project-info p {
        font-size: 0.75rem;
        margin-bottom: 0.5rem;
    }

    .project-meta {
        font-size: 0.7rem;
        gap: 0.3rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .service-card {
        padding: 1.2rem 1rem;
    }

    .service-icon {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }

    .service-card h3 {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .service-card p {
        font-size: 0.8rem;
    }

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