/* ========================================
   VARIABLES & RESET
======================================== */
:root {
    --primary: #e67e22;
    --primary-dark: #d35400;
    --secondary: #2c3e50;
    --dark: #1a252f;
    --light: #ffffff;
    --gray: #f8f9fa;
    --text: #333333;
    --text-light: #666666;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.7;
    color: var(--text);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }

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

/* ========================================
   TYPOGRAPHY
======================================== */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
}

.subtitle {
    color: var(--primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    display: block;
    margin-bottom: 10px;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(230, 126, 34, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background: white;
    color: var(--dark);
}

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

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

/* ========================================
   HEADER
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: white;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 2px 30px rgba(0,0,0,0.15);
}

.header.scrolled .logo img {
    height: 45px;
}

.header.scrolled .container {
    padding: 10px 20px;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    transition: var(--transition);
}

.logo img {
    height: 50px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--secondary);
    position: relative;
    transition: var(--transition);
    padding: 10px 0;
}

.nav-menu a i {
    font-size: 10px;
    margin-left: 5px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

/* Dropdown Menu */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    min-width: 250px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 10px 0;
    z-index: 1001;
}

.has-dropdown:hover .dropdown-menu {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.dropdown-menu a {
    display: block;
    padding: 12px 25px !important;
    font-size: 13px !important;
    text-transform: none !important;
    font-weight: 500 !important;
    color: var(--secondary) !important;
    border-bottom: none !important;
}

.dropdown-menu a:hover {
    background: var(--primary) !important;
    color: white !important;
}

.dropdown-menu a::after {
    display: none !important;
}

.cta-btn {
    background: var(--primary);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    transition: var(--transition);
}

.cta-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
}

/* Desktop CTA - hidden on mobile */
.desktop-cta {
    display: inline-block;
}

/* Mobile CTA - hidden on desktop */
.mobile-cta {
    display: none;
}

/* ========================================
   HERO
======================================== */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--dark);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(26, 37, 47, 0.7), rgba(26, 37, 47, 0.7)),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920');
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-subtitle {
    color: var(--primary);
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 60px;
    color: white;
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero p {
    color: rgba(255,255,255,0.85);
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 550px;
}

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

/* ========================================
   FEATURES
======================================== */
.features {
    margin-top: -80px;
    position: relative;
    z-index: 10;
    padding-bottom: 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
}

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

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    width: 100%;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary);
    border-radius: 10px;
    z-index: -1;
}

.about-content h2 {
    font-size: 42px;
    margin: 15px 0 25px;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.about-list {
    margin: 30px 0;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-weight: 500;
}

.about-list li i {
    color: var(--primary);
    font-size: 14px;
}

/* ========================================
   SERVICES
======================================== */
.services {
    padding: 100px 0;
}

.services.bg-gray {
    background: var(--gray);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 25px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #eee;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.service-icon i {
    font-size: 28px;
    color: white;
}

.service-card:hover .service-icon {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.service-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* ========================================
   HOME MODELS
======================================== */
.home-models {
    padding: 80px 0;
    background: var(--gray);
}

.models-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.models-grid .feature-card {
    min-width: 200px;
    flex: 1;
    max-width: 280px;
}

.models-grid .feature-card h3 {
    color: var(--primary);
    margin-bottom: 5px;
}

/* ========================================
   STATS
======================================== */
.stats {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)),
        url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    padding: 80px 0;
}

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

.stat-item i {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 15px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    font-family: 'Playfair Display', serif;
}

.stat-item p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   CTA
======================================== */
.cta {
    background: var(--primary);
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    color: white;
    font-size: 36px;
    margin-bottom: 15px;
}

.cta p {
    color: rgba(255,255,255,0.85);
    margin-bottom: 30px;
    font-size: 18px;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-about img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 25px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 14px;
}

.footer-contact i {
    color: var(--primary);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 14px;
}

/* ========================================
   PAGE BANNER
======================================== */
.page-banner {
    background: linear-gradient(rgba(26, 37, 47, 0.8), rgba(26, 37, 47, 0.8)),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920');
    background-size: cover;
    background-position: center;
    padding: 180px 0 100px;
    text-align: center;
    margin-top: 80px;
}

.page-banner h1 {
    font-size: 48px;
    color: white;
    margin-bottom: 15px;
}

.page-banner p {
    color: rgba(255,255,255,0.8);
    font-size: 18px;
}

/* ========================================
   PROJECTS
======================================== */
.projects {
    padding: 100px 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 300px;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
}

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

.project-item:hover img {
    transform: scale(1.1);
}

.project-overlay span {
    color: var(--primary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.project-overlay h3 {
    color: white;
    font-size: 20px;
    margin-top: 5px;
    font-family: 'Montserrat', sans-serif;
}

/* ========================================
   CONTACT
======================================== */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-item i {
    width: 60px;
    height: 60px;
    background: var(--gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    font-size: 14px;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: 'Montserrat', sans-serif;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form textarea {
    resize: none;
    height: 120px;
}

.contact-form .btn {
    width: 100%;
}

/* ========================================
   RESPONSIVE - TABLET
======================================== */
@media (max-width: 1200px) {
    .features-grid,
    .services-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 992px) {
    .hero h1 {
        font-size: 48px;
    }

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

    .about-image {
        order: -1;
    }

    .about-content h2 {
        font-size: 36px;
    }

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

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

/* ========================================
   RESPONSIVE - MOBILE
======================================== */
@media (max-width: 768px) {
    /* Header */
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 100px 30px 30px;
        gap: 0;
        box-shadow: -10px 0 30px rgba(0,0,0,0.2);
        transition: var(--transition);
        overflow-y: auto;
    }

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

    .nav-menu a {
        padding: 15px 0;
        border-bottom: 1px solid #eee;
        width: 100%;
    }

    .nav-menu a::after {
        display: none;
    }

    .cta-btn {
        display: none;
    }

    .mobile-cta {
        display: inline-block;
        text-align: center;
    }

    .has-dropdown .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: 20px;
    }

    .has-dropdown:hover .dropdown-menu {
        display: block;
        animation: none;
    }

    /* Hero */
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 14px;
        letter-spacing: 2px;
    }

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

    .hero-btns {
        flex-direction: column;
        gap: 15px;
    }

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

    /* Features */
    .features {
        margin-top: 0;
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* About */
    .about {
        padding: 60px 0;
    }

    .about-content h2 {
        font-size: 32px;
    }

    /* Services */
    .services {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Home Models */
    .home-models {
        padding: 60px 0;
    }

    .models-grid {
        flex-direction: column;
        align-items: center;
    }

    .models-grid .feature-card {
        max-width: 100%;
    }

    /* Stats */
    .stats {
        padding: 60px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    /* CTA */
    .cta {
        padding: 60px 0;
    }

    .cta h2 {
        font-size: 28px;
    }

    /* Footer */
    .footer {
        padding: 60px 0 30px;
    }

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

    /* Page Banner */
    .page-banner {
        padding: 140px 0 60px;
        margin-top: 70px;
    }

    .page-banner h1 {
        font-size: 32px;
    }

    /* Projects */
    .projects {
        padding: 60px 0;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Contact */
    .contact-section {
        padding: 60px 0;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .contact-item {
        flex-direction: column;
        gap: 15px;
    }

    .contact-item i {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 13px;
    }

    .feature-card,
    .service-card {
        padding: 30px 20px;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 40px; }