@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Colors - Deep Space Tech Theme */
    --gold: #38bdf8;          /* Kept for legacy compatibility, new primary blue */
    --gold-light: #7dd3fc;
    --gold-dark: #0284c7;
    --black: #020617;         /* Very dark slate for pure blacks */
    --dark-gray: #0b0f19;     /* Base background */
    --gray: #1e293b;          /* Component backgrounds / glass */
    --light-gray: #cbd5e1;    /* Body text */
    --white: #ffffff;         /* Headings */
    --text-light: #94a3b8;    /* Muted text */
    --bg-color: #050810;      /* Deep space background */
    
    /* Neons & Accents */
    --neon-blue: #38bdf8;
    --neon-purple: #8b5cf6;
    --neon-pink: #ec4899;
    --neon-emerald: #10b981;

    /* Gradients */
    --gradient-gold: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
    --gradient-dark: linear-gradient(180deg, var(--black) 0%, var(--bg-color) 100%);
    --gradient-glow: linear-gradient(90deg, var(--neon-blue), var(--neon-purple), var(--neon-pink), var(--neon-blue));
    
    /* Glassmorphism */
    --glass-bg: rgba(30, 41, 59, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Shadows & Glows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 20px rgba(56, 189, 248, 0.3);
    --shadow-neon: 0 0 15px rgba(139, 92, 246, 0.4), 0 0 30px rgba(56, 189, 248, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;

    /* Font Sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
    --font-4xl: 2.75rem;
    --font-5xl: 3.5rem;
    --font-6xl: 4.5rem;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.05), transparent 25%);
    color: var(--light-gray);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 { font-size: var(--font-6xl); }
h2 { font-size: var(--font-5xl); }
h3 { font-size: var(--font-4xl); }
h4 { font-size: var(--font-3xl); }
h5 { font-size: var(--font-2xl); }
h6 { font-size: var(--font-xl); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
    font-size: 1.05rem;
}

a {
    color: var(--neon-blue);
    text-decoration: none;
    transition: var(--transition-normal);
}

a:hover {
    color: var(--neon-purple);
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.6);
}

/* ==================== STRUCTURAL ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.gold-text { /* re-purposed for dynamic gradient text */
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

section {
    padding: var(--spacing-xxl) 0;
    position: relative;
    z-index: 1;
}

/* ==================== SECTION HEADINGS ==================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.section-title {
    font-size: var(--font-5xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    position: relative;
    z-index: 2;
}

.title-underline {
    width: 120px;
    height: 4px;
    background: var(--gradient-gold);
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-neon);
}

.section-subtitle {
    font-size: var(--font-lg);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    text-transform: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    border: none;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--gradient-glow);
    background-size: 300% 300%;
    z-index: -1;
    transition: var(--transition-normal);
    opacity: 0;
}

.btn:hover::before {
    opacity: 1;
    animation: moveGradient 3s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-neon);
    border-color: transparent;
}

.btn-secondary {
    background: transparent;
    color: var(--light-gray);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    transform: translateY(-4px);
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

/* ==================== CARDS / GLASSMORPHISM ==================== */
.card {
    background: var(--glass-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 25px rgba(139, 92, 246, 0.1);
}

/* ==================== TAGS ==================== */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: rgba(56, 189, 248, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 600;
    margin: 4px;
    font-family: 'Outfit', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.tag:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--neon-blue);
    color: var(--white);
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.5);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--neon-purple); }
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(139, 92, 246, 0.5) var(--bg-color);
}

/* ==================== ANIMATIONS ==================== */
@keyframes moveGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.fade-in { animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==================== UTILS ==================== */
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border-width: 0;
}

@media (max-width: 968px) {
    :root {
        --font-6xl: 3.5rem;
        --font-5xl: 2.5rem;
        --font-4xl: 2rem;
    }
}
@media (max-width: 576px) {
    :root {
        --font-6xl: 2.75rem;
        --font-5xl: 2.25rem;
        --font-4xl: 1.75rem;
    }
}