/* 
  Global Design System - Shubham Bhanot Portfolio
  Theme: Dark Luxury / Apple-esque 
*/

:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-accent: #e2e2e2;

    --accent-color: #3b82f6;
    /* Subtle blue accent for tech feel */
    --accent-glow: rgba(59, 130, 246, 0.15);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(20, 20, 20, 1), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(20, 20, 20, 1), transparent 25%);
    background-attachment: fixed;
}

::selection {
    background-color: var(--accent-glow);
    color: var(--text-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    letter-spacing: -0.02em;
    font-weight: 700;
}

p {
    line-height: 1.6;
}

/* Layout Utilities (mimicking Tailwind for speed and consistency) */
.max-w-7xl {
    max-width: 80rem;
}

.max-w-4xl {
    max-width: 56rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-20 {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.pt-20 {
    padding-top: 5rem;
}

.flex {
    display: flex;
}

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

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

/* Glassmorphism Components */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 1.5rem;
    transition: all var(--transition-normal);
}

.glass-panel:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

.shadow-glass {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Hero Section Specifics */
.min-h-screen {
    min-height: 100vh;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.z-10 {
    z-index: 10;
}

.z-50 {
    z-index: 50;
}

.overflow-hidden {
    overflow: hidden;
}

/* Text Gradients */
.text-transparent {
    color: transparent;
}

.bg-clip-text {
    background-clip: text;
    -webkit-background-clip: text;
}

.bg-gradient-to-r {
    background-image: linear-gradient(to right, var(--text-primary), rgba(255, 255, 255, 0.4));
}

/* Animations */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: .5;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Scroll Reveal Classes (Hooked up via JS) */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    display: inline-block;
    background: var(--bg-glass);
    color: var(--text-primary);
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 500;
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Navigation */
nav {
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(10, 10, 10, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Mobile Nav Utilities */
.hidden {
    display: none;
}

@media (min-width: 768px) {
    .md\:hidden {
        display: none;
    }

    .md\:flex {
        display: flex;
    }
}

/* Additional specific utility classes */
.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.w-[800px] {
    width: 800px;
}

.h-[800px] {
    height: 800px;
}

.top-0 {
    top: 0;
}

.left-0 {
    left: 0;
}

.top-1\/2 {
    top: 50%;
}

.left-1\/2 {
    left: 50%;
}

.-translate-x-1\/2 {
    transform: translateX(-50%);
}

.-translate-y-1\/2 {
    transform: translateY(-50%);
}

.rounded-full {
    border-radius: 9999px;
}

.rounded-2xl {
    border-radius: 1rem;
}

.rounded-3xl {
    border-radius: 1.5rem;
}

.blur-\[120px\] {
    filter: blur(120px);
}

.opacity-50 {
    opacity: 0.5;
}

.pointer-events-none {
    pointer-events: none;
}

.text-center {
    text-align: center;
}

.inline-flex {
    display: inline-flex;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

.mb-8 {
    margin-bottom: 2rem;
}

.mb-10 {
    margin-bottom: 2.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mt-8 {
    margin-top: 2rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-2xl {
    font-size: 1.5rem;
}

.text-5xl {
    font-size: 3rem;
}

@media (min-width: 768px) {
    .md\:text-7xl {
        font-size: 4.5rem;
    }
}

@media (min-width: 1024px) {
    .lg\:text-8xl {
        font-size: 6rem;
    }
}

.font-medium {
    font-weight: 500;
}

.font-semibold {
    font-weight: 600;
}

.font-bold {
    font-weight: 700;
}

.font-light {
    font-weight: 300;
}

.tracking-wide {
    letter-spacing: 0.025em;
}

.tracking-tight {
    letter-spacing: -0.025em;
}

.tracking-tighter {
    letter-spacing: -0.05em;
}

.leading-tight {
    line-height: 1.1;
}

.leading-relaxed {
    line-height: 1.625;
}

.text-white {
    color: #ffffff;
}

.text-text-secondary {
    color: var(--text-secondary);
}

.text-accent {
    color: var(--accent-color);
}

.bg-white {
    background-color: #ffffff;
}

.bg-black {
    background-color: #000000;
}

.bg-accent\/20 {
    background-color: rgba(59, 130, 246, 0.2);
}

.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.transition-colors {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

.hover\:text-white:hover {
    color: #ffffff;
}

.hover\:bg-white\/90:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.hover\:bg-white\/10:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.hover\:scale-105:hover {
    transform: scale(1.05);
}

.active\:scale-95:active {
    transform: scale(0.95);
}

/* CSS Disable Select */
body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
img {
    -webkit-user-drag: none;
    user-drag: none;
    pointer-events: none;
}