:root {
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
}

header.scrolled {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 5px 0;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: #fff;
}

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

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

.desktop-nav a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 500;
    transition: 0.3s;
}

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

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: left;
    position: relative;
}

.badge {
    background: rgba(14, 165, 233, 0.15);
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.bento-card {
    background: var(--dark-surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    transition: 0.4s ease;
    cursor: pointer;
}

.bento-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-img {
    height: 200px;
    border-radius: 24px 24px 0 0;
    filter: grayscale(40%);
}

.card-content {
    padding: 2rem;
}

.icon-box {
    background: var(--primary);
    color: white;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
}

.about {
    padding: 100px 0;
    background: #0b1120;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.check-list i {
    color: var(--primary);
}

.contact {
    padding: 100px 0;
}

input,
textarea {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 12px;
    color: white;
    width: 100%;
    margin-bottom: 1rem;
    transition: 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-main {
    background: var(--primary);
    color: white;
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: 0.3s;
}

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

.btn-outline {
    border: 1px solid var(--border);
    color: white;
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    margin-left: 15px;
    transition: 0.3s;
}

.btn-outline:hover {
    background: var(--glass);
    border-color: var(--text-muted);
}

@media (max-width: 992px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .about-flex {
        flex-direction: column;
    }
}

.reveal-hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

.main-footer {
    background-color: #0b1120;
    border-top: 1px solid var(--border);
    padding: 80px 0 0 0;
    margin-top: 100px;
}

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

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    transition: 0.3s;
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-newsletter h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

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

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: 0.3s;
}

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

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
}

.newsletter-form input {
    margin-bottom: 0;
}

.newsletter-form .btn-main {
    padding: 10px 20px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 30px 0;
}

.bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: var(--text-muted);
    text-decoration: none;
}

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

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .bottom-flex {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}