/* --------------------------------------------------------------------------
 * CSS Variables & Reset
 * -------------------------------------------------------------------------- */
 :root {
    --bg-dark: #0f172a;
    --bg-darker: #0b1120;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent-primary: #06b6d4;
    --accent-secondary: #3b82f6;
    
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    
    --glass-bg: rgba(15, 23, 42, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-dark);
}

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

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

/* --------------------------------------------------------------------------
 * Utility Classes
 * -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section {
    padding: 6rem 0;
}

.bg-darker {
    background-color: var(--bg-darker);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: rgba(6, 182, 212, 0.1);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
 * Navbar
 * -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: 1.5rem 0;
}

.navbar.scrolled {
    padding: 1rem 0;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--text-main);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 999;
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
    visibility: hidden;
}

.mobile-menu.active {
    transform: translateY(0);
    visibility: visible;
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-heading);
}

/* --------------------------------------------------------------------------
 * Hero Section
 * -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/hero_bg.png') no-repeat center center;
    background-size: cover;
    opacity: 0.15;
    z-index: -1;
    mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-text {
    max-width: 800px;
    animation: fadeUp 1s ease-out forwards;
}

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

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.5;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-main);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-main);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(6, 182, 212, 0.3);
}

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

.service-icon {
    width: 50px;
    height: 50px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
 * Experience Section
 * -------------------------------------------------------------------------- */
.experience-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.experience-lead {
    font-size: 1.25rem;
    color: var(--text-main);
    margin-bottom: 2.5rem;
}

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

.philosophy-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.philosophy-list i {
    color: var(--accent-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.philosophy-list strong {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.25rem;
}

.philosophy-list p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.experience-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.3;
}

/* --------------------------------------------------------------------------
 * CTA Section
 * -------------------------------------------------------------------------- */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('assets/hero_bg.png') no-repeat center center;
    background-size: cover;
    text-align: center;
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
}

.cta-container h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-container p {
    color: var(--text-muted);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 400px;
}

.footer-contact h3 {
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
}

.contact-links {
    list-style: none;
}

.contact-links li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.contact-links i {
    color: var(--accent-primary);
    font-size: 1.25rem;
}

.contact-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
 * Responsive Design
 * -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .experience-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* --------------------------------------------------------------------------
 * Legal Pages (Privacy & Terms)
 * -------------------------------------------------------------------------- */
.legal-page {
    padding-top: 120px;
    padding-bottom: 60px;
}

.legal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--accent-primary);
}

.legal-content h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.legal-content p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.legal-content ul {
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.footer-bottom .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--accent-primary);
}

.footer-legal a:hover {
    text-decoration: underline;
}

@media (min-width: 768px) {
    .footer-bottom .container {
        flex-direction: row;
        justify-content: space-between;
    }
}