:root {
    /* Color Palette - Dark Modern "Cosmic" */
    --bg-dark: #0a0b10;
    --bg-card: #14161f;
    --bg-card-hover: #1c1f2b;

    --primary: #38bdf8;
    /* Sky blue */
    --secondary: #818cf8;
    /* Indigo */
    --accent: #2dd4bf;
    /* Teal */

    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(255, 255, 255, 0.03);

    /* Typography */
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-spacing: 6rem;
    --container-width: 1200px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
}

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    /* For animation */
    transform: translateY(20px);
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition);
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

section {
    padding: var(--section-spacing) 0;
}

/* Scroll Adjustment for Fixed Nav */
about-section,
experience-timeline,
skills-grid,
projects-section,
contact-footer {
    scroll-margin-top: 100px;
    display: block;
    /* Ensure they behave like blocks */
}

hero-section {
    scroll-margin-top: 100px;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-card-hover);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}