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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-mid: #1e293b;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,0.35);
}

.btn-outline {
    border: 2px solid rgba(255,255,255,0.5);
    color: var(--white);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.btn-nav {
    padding: 10px 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
}

.btn-nav:hover {
    background: var(--primary-dark);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15,23,42,0.95);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--white);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    color: rgba(255,255,255,0.85);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(30,41,59,0.75) 50%, rgba(15,23,42,0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    padding-top: 100px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
}

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

.hero-sub {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 40px;
    max-width: 560px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--light);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 520px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.service-img {
    height: 200px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img img {
    transform: scale(1.05);
}

.service-body {
    padding: 28px;
}

.service-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.service-body p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

/* About */
.about {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.about-bg {
    position: absolute;
    inset: 0;
}

.about-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.92), rgba(30,41,59,0.88));
}

.about-content {
    position: relative;
    z-index: 2;
}

.about-text {
    max-width: 680px;
}

.about-text h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
}

.about-text p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    margin-bottom: 16px;
}

.stats {
    display: flex;
    gap: 48px;
    margin-top: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    font-weight: 500;
}

/* Contact */
.contact {
    padding: 120px 0;
    background: var(--white);
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-info {
    text-align: center;
    max-width: 480px;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 24px 40px;
    background: var(--light);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.contact-item h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray);
    margin-bottom: 4px;
}

.contact-item a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    transition: color 0.2s;
}

.contact-item a:hover {
    color: var(--primary-dark);
}

.contact-note {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Footer */
.footer {
    background: var(--dark);
    padding: 40px 0;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: 700;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-mid);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: right 0.3s ease;
    }

    .nav-links.open {
        right: 0;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

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

    .stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-content {
        padding-top: 120px;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}