:root {
    --primary-color: #0ea5e9;
    --secondary-color: #6366f1;
    --accent-color: #f472b6;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-light: rgba(255, 255, 255, 0.86);
}

body {
    font-family: 'Inter', 'Space Grotesk', system-ui, -apple-system, sans-serif;
    background:
        radial-gradient(900px circle at 12% 18%, rgba(14, 165, 233, 0.16), transparent 35%),
        radial-gradient(1100px circle at 88% -6%, rgba(99, 102, 241, 0.18), transparent 40%),
        linear-gradient(180deg, #f9fbff 0%, #eef2ff 50%, #f8fafc 100%);
    min-height: 100vh;
    color: var(--text-primary);
    position: relative;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.08) 1px, transparent 0);
    background-size: 22px 22px;
    opacity: 0.4;
}

html {
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.nav-glass {
    position: relative;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.94), rgba(246, 250, 255, 0.9)),
        radial-gradient(120% 160% at 10% 0%, rgba(14, 165, 233, 0.18), transparent 46%),
        radial-gradient(120% 160% at 90% 10%, rgba(99, 102, 241, 0.18), transparent 42%);
    backdrop-filter: blur(16px) saturate(120%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.16);
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.nav-glass::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.08), rgba(255, 255, 255, 0), rgba(99, 102, 241, 0.08));
    pointer-events: none;
    opacity: 0.85;
}

.hero-gradient {
    background:
        radial-gradient(120% 120% at 20% 20%, rgba(14, 165, 233, 0.18), transparent 45%),
        radial-gradient(120% 120% at 80% 10%, rgba(99, 102, 241, 0.24), transparent 40%),
        linear-gradient(135deg, #0f172a 0%, #0b1221 50%, #0f172a 100%);
    position: relative;
}

.hero-gradient::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(50% 50% at 50% 45%, rgba(255, 255, 255, 0.08), transparent 60%);
}

.hero-alt {
    background:
        radial-gradient(140% 140% at 15% 20%, rgba(14, 165, 233, 0.24), transparent 40%),
        radial-gradient(120% 120% at 85% 10%, rgba(99, 102, 241, 0.32), transparent 38%),
        linear-gradient(135deg, #0b1221 0%, #0c1326 45%, #0b1221 100%);
    position: relative;
}

.hero-alt::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 11, 19, 0.6) 0%, rgba(7, 11, 19, 0.72) 100%);
    pointer-events: none;
}

.section-card {
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(14, 165, 233, 0.12);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.section-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(99, 102, 241, 0.04));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.section-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.12);
}

.section-card:hover::after {
    opacity: 1;
}

.skill-badge {
    transition: all 0.25s ease;
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.18);
    backdrop-filter: blur(5px);
}

.skill-badge:hover {
    transform: translateY(-2px) scale(1.02);
    background: rgba(14, 165, 233, 0.14);
}

.bg-section-light {
    background: linear-gradient(180deg, rgba(255,255,255,0.78) 0%, rgba(255,255,255,0.94) 100%);
}

.bg-section-white {
    background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.84) 100%);
}

.gradient-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(14, 165, 233, 0.16), rgba(99, 102, 241, 0.18));
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #0f172a;
}

.gradient-pill.light {
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, 0.25);
}

.glass-panel {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
    backdrop-filter: blur(14px);
}