/* Base Styles */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400;1,600&display=swap');

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    max-width: 100vw;
}

/* Background Gradient Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--glow-primary, var(--glow-blue)) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 0%, var(--glow-tertiary, var(--glow-purple)) 0%, transparent 40%),
        radial-gradient(ellipse 60% 40% at 0% 100%, var(--glow-secondary, var(--glow-cyan)) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .container {
        max-width: 100vw;
    }
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h1 {
    font-size: var(--text-6xl);
}

h2 {
    font-size: var(--text-5xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

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

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

.text-gradient {
    background: var(--theme-gradient, linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 50%, var(--accent-tertiary) 100%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.serif {
    font-family: var(--font-serif);
}

.italic {
    font-style: italic;
}

/* Links */
a {
    transition: var(--transition-fast);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--button-radius, var(--radius-pill));
    transition: var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 40px var(--glow-primary);
}

.btn-primary:hover {
    background: var(--accent-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 0 60px var(--glow-primary-strong);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    backdrop-filter: var(--card-blur, blur(8px));
}

.btn-secondary:hover {
    background: color-mix(in srgb, var(--text-primary) 5%, transparent);
    border-color: var(--text-secondary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-base, var(--radius-xl));
    backdrop-filter: var(--card-blur, blur(16px));
    transition: var(--transition-base);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: 0 0 40px var(--glow-primary);
}

/* Sections */
section {
    padding: var(--section-padding-y) 0;
    position: relative;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    background: color-mix(in srgb, var(--success-color) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--success-color) 20%, transparent);
    border-radius: var(--button-radius, var(--radius-pill));
    color: var(--success-color);
}

.badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        box-shadow: 0 0 0 0 var(--success-glow);
    }

    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 8px transparent;
    }
}

/* Reveal Animation Base */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger children */
.reveal-stagger>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.visible>*:nth-child(1) {
    transition-delay: 0ms;
}

.reveal-stagger.visible>*:nth-child(2) {
    transition-delay: 100ms;
}

.reveal-stagger.visible>*:nth-child(3) {
    transition-delay: 200ms;
}

.reveal-stagger.visible>*:nth-child(4) {
    transition-delay: 300ms;
}

.reveal-stagger.visible>*:nth-child(5) {
    transition-delay: 400ms;
}

.reveal-stagger.visible>*:nth-child(6) {
    transition-delay: 500ms;
}

.reveal-stagger.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.flex {
    display: flex;
}

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

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

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

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

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

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

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

.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-3xl {
    max-width: 48rem;
}

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

/* Selection */
::selection {
    background: var(--accent-blue);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue-light);
}