/* 
   Lankes Studio - Minimal Elegant 2026 Design 
*/

:root {
    --bg-dark: #050505;
    --bg-surface: #0a0a0a;
    --bg-card: #111111;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --accent: #2997ff; /* Apple-like vibrant blue */
    --accent-hover: #147ce5;
    --border-color: rgba(255, 255, 255, 0.08);
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.03em;
}

.title-large {
    font-size: clamp(3rem, 8vw, 5.5rem);
    line-height: 1.05;
    background: linear-gradient(180deg, #fff 0%, #a1a1a6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.text-lead {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 700px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.optional-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: #d1d1d6;
    transform: scale(0.98);
}

.btn-accent {
    background-color: var(--accent);
    color: #fff;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px; /* Offset for nav */
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(41, 151, 255, 0.05) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-socials {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.social-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-socials a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: color var(--transition);
}

.hero-socials a:hover {
    color: var(--text-primary);
}

/* Case Inc Showcase */
.showcase-section {
    padding: 6rem 0 10rem;
}

.showcase-header {
    text-align: center;
    margin-bottom: 5rem;
}

.showcase-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.showcase-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.showcase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.showcase-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.showcase-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.tag {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.showcase-image {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: transform var(--transition);
}

.showcase-image:hover {
    transform: translateY(-5px);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.feature-box {
    background: var(--bg-surface);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.feature-box h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer */
.footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: color var(--transition);
}

.social-links a:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 900px) {
    .showcase-card {
        grid-template-columns: 1fr;
        padding: 2.5rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .showcase-image {
        order: -1;
    }
}