/* 
 * Portfolio - Base Styles
 * Resets, Typography, and Base Elements
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* Reset & Box Sizing */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-body);
    color: var(--color-text-primary);
    line-height: var(--theme-line-height-normal);
    overflow-x: hidden;
    width: 100%;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    /* Tight tracking for modern feel */
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    font-size: 1.05rem;
}

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

a:hover {
    color: var(--color-accent-hover);
}

/* Layout Utilities */
.section-container {
    padding: var(--space-16) 0;
    position: relative;
}

@media (max-width: 768px) {
    .section-container {
        padding: clamp(var(--space-12), 15vw, var(--space-24)) 0 var(--space-12);
    }
}

.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-6);
    padding-left: var(--space-6);
}

@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 900px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding-right: var(--space-4);
        padding-left: var(--space-4);
    }
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Utility */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

body.dark-mode .glass {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Selection */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}