/* ============================================
   PrimordialMC Design System
   "Ancient Power" Aesthetic — Nature / Dragon / Scale
   ============================================ */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@300;400;600;700&family=Karla:wght@300;400;500;600;700&display=swap');

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */

:root {
    /* Color Palette - Nature / Scale */
    --color-mist: #F0F5F2;
    --color-frost: #F6FAF8;
    --color-pale-sage: #E2EDE6;
    --color-emerald: #2D8B4E;
    --color-emerald-light: #5BB870;
    --color-forest: #1B5E34;
    --color-forest-deep: #145228;
    --color-steel-blue: #3B82C4;
    --color-ice-blue: #5BA3D9;
    --color-deep-green: #0F1F17;
    --color-abyss: #091310;

    /* Semantic Colors */
    --bg-primary: var(--color-mist);
    --bg-secondary: var(--color-frost);
    --bg-dark: var(--color-deep-green);
    --bg-darker: var(--color-abyss);

    --text-primary: var(--color-deep-green);
    --text-secondary: rgba(15, 31, 23, 0.7);
    --text-light: rgba(15, 31, 23, 0.5);
    --text-on-dark: var(--color-frost);

    --accent-primary: var(--color-emerald);
    --accent-secondary: var(--color-steel-blue);
    --accent-forest: var(--color-forest);

    /* Typography */
    --font-display: 'Crimson Pro', serif;
    --font-body: 'Karla', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing Scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(15, 31, 23, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 31, 23, 0.12);
    --shadow-lg: 0 8px 32px rgba(15, 31, 23, 0.16);
    --shadow-glow: 0 4px 20px rgba(45, 139, 78, 0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography System
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
}

p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.text-large {
    font-size: 1.25rem;
    line-height: 1.7;
}

.text-small {
    font-size: 0.9375rem;
}

/* ============================================
   Layout Components
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-xxl) 0;
}

.section-lg {
    padding: calc(var(--space-xxl) * 1.5) 0;
}

/* ============================================
   Card System
   ============================================ */

.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-emerald), var(--color-steel-blue));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    opacity: 1;
}

.card-title {
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
}

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

/* ============================================
   Button System
   ============================================ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-emerald), var(--color-emerald-light));
    color: var(--color-frost);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(45, 139, 78, 0.25);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--color-frost);
    transform: translateY(-2px);
}

.btn-ghost {
    background: rgba(59, 130, 196, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(59, 130, 196, 0.3);
}

.btn-ghost:hover {
    background: rgba(59, 130, 196, 0.2);
    border-color: var(--accent-secondary);
}

/* ============================================
   Badge System
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-primary {
    background: rgba(45, 139, 78, 0.1);
    color: var(--accent-primary);
    border: 1.5px solid rgba(45, 139, 78, 0.3);
}

.badge-blue {
    background: rgba(59, 130, 196, 0.1);
    color: var(--accent-secondary);
    border: 1.5px solid rgba(59, 130, 196, 0.3);
}

/* ============================================
   Decorative Elements
   ============================================ */

.hex-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.03;
    background-image:
        repeating-linear-gradient(0deg, transparent, transparent 40px, var(--color-emerald) 40px, var(--color-emerald) 42px),
        repeating-linear-gradient(60deg, transparent, transparent 40px, var(--color-emerald) 40px, var(--color-emerald) 42px),
        repeating-linear-gradient(120deg, transparent, transparent 40px, var(--color-emerald) 40px, var(--color-emerald) 42px);
    pointer-events: none;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(45, 139, 78, 0.05) 0%,
        rgba(91, 184, 112, 0.05) 50%,
        rgba(59, 130, 196, 0.05) 100%);
    pointer-events: none;
}

/* Organic Blob Backgrounds */
.blob-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--color-emerald);
    top: -200px;
    right: -200px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--color-steel-blue);
    bottom: -250px;
    left: -250px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* ============================================
   Grid Systems
   ============================================ */

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; opacity: 0; }
.stagger-2 { animation-delay: 0.2s; opacity: 0; }
.stagger-3 { animation-delay: 0.3s; opacity: 0; }
.stagger-4 { animation-delay: 0.4s; opacity: 0; }
.stagger-5 { animation-delay: 0.5s; opacity: 0; }
.stagger-6 { animation-delay: 0.6s; opacity: 0; }

/* ============================================
   Utility Classes
   ============================================ */

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

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.color-emerald { color: var(--color-emerald); }
.color-blue { color: var(--color-steel-blue); }
.color-forest { color: var(--color-forest); }

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-xxl: 4rem;
    }

    body {
        font-size: 16px;
    }

    .container, .container-narrow {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-xl) 0;
    }

    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }
}