/* CSS Variables */
:root {
    --primary: #f0b429;
    --primary-dark: #d49f1e;
    --primary-light: #f5c84a;
    --dark: #0f0f1a;
    --dark-2: #1a1a2e;
    --dark-3: #222240;
    --gray-100: #f7f7f8;
    --gray-200: #e8e8ed;
    --gray-300: #c4c4cf;
    --gray-400: #9b9baf;
    --gray-500: #6b6b80;
    --text-light: #e0e0e8;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s ease;
    --radius: 12px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ========== TYPOGRAPHY ========== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(240, 180, 41, 0.1);
    color: var(--primary);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    border: 1px solid rgba(240, 180, 41, 0.2);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-header p {
    color: var(--gray-400);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.highlight { color: var(--primary); }

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(240, 180, 41, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(240, 180, 41, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--gray-400);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; }
.logo-title { font-size: 1.3rem; font-weight: 800; color: var(--white); line-height: 1; letter-spacing: 3px; }
.logo-subtitle { font-size: 0.6rem; color: var(--primary); letter-spacing: 4px; text-transform: uppercase; font-weight: 500; }

/* Navigation */
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--gray-300); font-size: 0.9rem; font-weight: 500; position: relative; padding: 4px 0; }
.nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { background: var(--primary); color: var(--dark) !important; padding: 10px 24px !important; border-radius: 50px; font-weight: 600 !important; }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--primary-light) !important; color: var(--dark) !important; }

/* Hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); transition: var(--transition); border-radius: 2px; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, var(--dark-3) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(240, 180, 41, 0.05) 0%, transparent 50%), radial-gradient(ellipse at 80% 20%, rgba(240, 180, 41, 0.03) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(15, 15, 26, 0.8) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
    display: inline-block;
    background: rgba(240, 180, 41, 0.12);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(240, 180, 41, 0.15);
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-400);
    max-width: 600px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-buttons { display: flex; gap: 16px; margin-bottom: 60px; }

/* Hero Stats */
.hero-stats { display: flex; gap: 48px; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.stat { text-align: center; }
.stat-number { display: block; font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 0.85rem; color: var(--gray-400); font-weight: 400; }

/* ========== ABOUT SECTION ========== */
.about { padding: 100px 0; background: var(--dark-2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { display: flex; justify-content: center; align-items: center; }

.image-placeholder {
    width: 400px; height: 400px;
    background: linear-gradient(135deg, var(--dark-3), var(--dark-2));
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(240, 180, 41, 0.1);
    position: relative; overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    width: 150%; height: 150%;
    background: radial-gradient(circle at 30% 50%, rgba(240, 180, 41, 0.03), transparent 70%);
}

.about-content h3 { font-size: 2rem; font-weight: 700; color: var(--white); margin-bottom: 20px; }
.about-content p { color: var(--gray-400); margin-bottom: 16px; font-size: 1.05rem; line-height: 1.7; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.feature-item { display: flex; align-items: center; gap: 10px; color: var(--text-light); font-size: 0.95rem; }
.feature-icon { color: var(--primary); font-weight: 700; font-size: 1.1rem; }

/* ========== SERVICES SECTION ========== */
.services { padding: 100px 0; background: var(--dark); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.service-card {
    background: var(--dark-2);
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative; overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(240, 180, 41, 0.15);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before { transform: scaleX(1); }
.service-icon { margin-bottom: 20px; }
.service-card h3 { font-size: 1.3rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.service-card > p { color: var(--gray-400); font-size: 0.95rem; margin-bottom: 20px; line-height: 1.6; }
.service-features li { color: var(--gray-300); font-size: 0.9rem; padding: 6px 0; padding-left: 20px; position: relative; }
.service-features li::before { content: '\2192'; position: absolute; left: 0; color: var(--primary); font-weight: 600; }

/* ========== WHY US SECTION ========== */
.why-us { padding: 100px 0; background: var(--dark-2); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.why-card { background: var(--dark); border-radius: var(--radius); padding: 32px; border: 1px solid rgba(255, 255, 255, 0.05); transition: var(--transition); }
.why-card:hover { transform: translateY(-4px); border-color: rgba(240, 180, 41, 0.15); }
.why-number { font-size: 2.5rem; font-weight: 800; color: rgba(240, 180, 41, 0.15); line-height: 1; margin-bottom: 16px; transition: var(--transition); }
.why-card:hover .why-number { color: var(--primary); }
.why-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.why-card p { color: var(--gray-400); font-size: 0.95rem; line-height: 1.7; }

/* ========== TESTIMONIALS SECTION ========== */
.testimonials { padding: 100px 0; background: var(--dark); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--dark-2); border-radius: var(--radius); padding: 32px; border: 1px solid rgba(255, 255, 255, 0.05); transition: var(--transition); }
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(240, 180, 41, 0.1); }
.testimonial-stars { color: var(--primary); font-size: 1.2rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text { color: var(--gray-300); font-size: 0.95rem; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.author-avatar { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--dark); font-weight: 700; font-size: 0.9rem; flex-shrink: 0; }
.testimonial-author strong { display: block; color: var(--white); font-size: 0.95rem; }
.testimonial-author span { color: var(--gray-400); font-size: 0.8rem; }

/* ========== CTA SECTION ========== */
.cta { padding: 80px 0; background: linear-gradient(135deg, var(--dark-3), var(--dark-2)); border-top: 1px solid rgba(240, 180, 41, 0.1); border-bottom: 1px solid rgba(240, 180, 41, 0.1); }
.cta-content { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-content h2 { font-size: 2.5rem; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.cta-content p { color: var(--gray-400); font-size: 1.1rem; margin-bottom: 32px; }

/* ========== CONTACT SECTION ========== */
.contact { padding: 100px 0; background: var(--dark-2); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { width: 48px; height: 48px; background: rgba(240, 180, 41, 0.1); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.contact-item h4 { color: var(--white); font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.contact-item a, .contact-item p { color: var(--gray-400); font-size: 0.9rem; }
.contact-item a:hover { color: var(--primary); }

/* Contact Form */
.contact-form { background: var(--dark); padding: 36px; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, 0.05); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; color: var(--gray-300); font-size: 0.85rem; font-weight: 500; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; background: var(--dark-2); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-sm); color: var(--white); font-size: 0.95rem; font-family: inherit; transition: var(--transition); outline: none; }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--gray-500); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(240, 180, 41, 0.1); }
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239b9baf' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }
.form-group select option { background: var(--dark); color: var(--white); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit { width: 100%; padding: 16px; font-size: 1.05rem; }

/* ========== FOOTER ========== */
.footer { background: var(--dark); padding: 80px 0 0; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.footer-about .logo { margin-bottom: 16px; }
.footer-about > p { color: var(--gray-400); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-links a { width: 40px; height: 40px; background: var(--dark-2); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--gray-400); border: 1px solid rgba(255, 255, 255, 0.05); transition: var(--transition); }
.social-links a:hover { background: var(--primary); color: var(--dark); border-color: var(--primary); transform: translateY(-2px); }
.footer-links h4 { color: var(--white); font-size: 1rem; font-weight: 600; margin-bottom: 20px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: var(--gray-400); font-size: 0.9rem; transition: var(--transition); }
.footer-links ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-newsletter h4 { color: var(--white); font-size: 1rem; font-weight: 600; margin-bottom: 12px; }
.footer-newsletter p { color: var(--gray-400); font-size: 0.9rem; margin-bottom: 16px; }
.newsletter-form { display: flex; gap: 8px; }
.newsletter-form input { flex: 1; padding: 10px 16px; background: var(--dark-2); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--radius-sm); color: var(--white); font-size: 0.9rem; font-family: inherit; outline: none; }
.newsletter-form input:focus { border-color: var(--primary); }
.newsletter-form button { padding: 10px 20px; background: var(--primary); color: var(--dark); border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; transition: var(--transition); font-size: 0.9rem; }
.newsletter-form button:hover { background: var(--primary-light); }
.footer-bottom { padding: 24px 0; text-align: center; }
.footer-bottom p { color: var(--gray-500); font-size: 0.85rem; }

/* ========== BACK TO TOP ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(240, 180, 41, 0.3);
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 25px rgba(240, 180, 41, 0.4); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .services-grid, .why-grid, .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .hero h1 { font-size: 3rem; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image { order: -1; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: var(--dark-2);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 20px;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
        z-index: 999;
        align-items: flex-start;
    }
    .nav-links.active { right: 0; }
    .nav-toggle { display: flex; }
    .hero h1 { font-size: 2.5rem; }
    .hero p { font-size: 1rem; }
    .hero-stats { flex-wrap: wrap; gap: 24px; }
    .hero-buttons { flex-direction: column; }
    .section-header h2 { font-size: 2rem; }
    .services-grid, .why-grid, .testimonial-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }
    .stat-number { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stat { display: flex; align-items: center; gap: 12px; text-align: left; }
    .container { padding: 0 16px; }
    .section-header h2 { font-size: 1.7rem; }
    .newsletter-form { flex-direction: column; }
}