/* ===================================
   VARIABLES & RESET
   =================================== */

:root {
    --primary-color: #F9B208;
    --secondary-color: #000000;
    --dark-color: #1A1A1A;
    --light-color: #F5F5F5;
    --white: #FFFFFF;
    --gray: #6C757D;
    --gray-light: #E9ECEF;
    --success: #28A745;
    --accent-gold: #FFD700;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

/* ===================================
   TYPOGRAPHY
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--gray);
}

/* ===================================
   UTILITY CLASSES
   =================================== */

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

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #E0A006;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: #333333;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-contact {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 6px;
}

.btn-contact:hover {
    background-color: #E0A006;
}

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 0;
}

.logo .tagline {
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo img {
    height: 70px;
    width: auto;
    display: block;
    object-fit: contain;
}

@media (max-width: 768px) {
    .logo img {
        height: 50px;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 3px;
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    position: relative;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2A2A2A 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 120px 20px 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(249,178,8,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(249, 178, 8, 0.1) 0%, transparent 70%);
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   INTRO SECTION
   =================================== */

.intro {
    padding: 80px 20px;
    background-color: var(--light-color);
    text-align: center;
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.intro .lead {
    font-size: 1.15rem;
    line-height: 1.8;
}

/* ===================================
   SERVICES SECTION
   =================================== */

.services {
    padding: 100px 20px;
    background-color: var(--white);
}

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

.section-header h2 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid var(--gray-light);
    overflow: hidden;
}

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

.service-image {
    width: calc(100% + 60px);
    height: 200px;
    margin: -40px -30px 20px -30px;
    overflow: hidden;
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #FFD700);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--secondary-color);
}

.service-card h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    text-align: left;
}

.service-list li {
    padding: 8px 0;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list li i {
    color: var(--success);
    font-size: 0.9rem;
}

/* ===================================
   EXPERTISE SECTION
   =================================== */

.expertise {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--secondary-color), #2A2A2A);
    color: var(--white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.expertise-item {
    padding: 30px;
}

.expertise-icon {
    width: 100px;
    height: 100px;
    background: rgba(249, 178, 8, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--primary-color);
    border: 3px solid rgba(249, 178, 8, 0.3);
}

.expertise-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.expertise-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about {
    padding: 100px 20px;
    background-color: var(--light-color);
}

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

.about-content-single {
    max-width: 900px;
    margin: 0 auto;
}

.about-content-single .about-text {
    text-align: left;
}

.about-text h2 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

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

.about-list {
    list-style: none;
    margin: 25px 0;
}

.about-list li {
    padding: 10px 0;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-list li i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

.info-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.info-card h3 {
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.info-list {
    list-style: none;
}

.info-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
    color: var(--dark-color);
}

.info-list li:last-child {
    border-bottom: none;
}

.info-list li strong {
    color: var(--secondary-color);
    font-weight: 600;
}

/* ===================================
   CONTACT SECTION
   =================================== */

.contact {
    padding: 100px 20px;
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.contact-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--light-color);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #FFD700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--secondary-color);
}

.contact-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.contact-link {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--secondary-color);
}

.contact-info {
    color: var(--gray);
    line-height: 1.8;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: var(--secondary-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-section h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    padding: 8px 0;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    color: var(--primary-color);
    margin-right: 8px;
    width: 20px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    /* Typography */
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.875rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        padding: 20px 0;
        gap: 0;
    }

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

    .nav-menu li {
        padding: 15px 0;
        width: 100%;
    }

    .btn-contact {
        display: inline-block;
        margin-top: 10px;
    }

    /* Hero */
    .hero {
        min-height: 80vh;
        padding: 100px 20px 60px;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

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

    /* About */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Sections padding */
    .services,
    .about,
    .contact {
        padding: 60px 20px;
    }

    .intro,
    .expertise {
        padding: 50px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}