/* 
Premium Dark Mode Design System 
Ref: Inter/Outfit fonts, Glassmorphism, Aurora Gradients
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;1,600&display=swap');

:root {
    --bg-dark: #050505;
    --card-bg: rgba(25, 25, 25, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #D4AF37; /* Gold */
    --primary-dim: rgba(212, 175, 55, 0.2);
    --accent: #3A86FF; /* Electric Blue for focus */
    --text-main: #FAFAFA;
    --text-muted: #A3A3A3;
    --success: #10B981;
    --danger: #EF4444;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(58, 134, 255, 0.08), transparent 60%);
    filter: blur(100px);
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05), transparent 60%);
    filter: blur(100px);
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-main);
}

h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 1rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }

.text-gold { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.uppercase { text-transform: uppercase; letter-spacing: 2px; font-size: 0.8rem; font-weight: 700; }

/* Layout & Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

/* Components: Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary);
    color: #000;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 2rem;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    background: #fff;
    transform: scale(1.05);
}

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    h1 { font-size: 2.5rem; }
}

/* Progress Tracker */
.progress-container {
    background: rgba(255,255,255,0.05);
    border-radius: 50px;
    height: 10px;
    width: 100%;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-bar {
    background: var(--primary);
    height: 100%;
    width: 0%;
    transition: width 1s ease;
}

/* Checkbox Style */
.checklist-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    cursor: pointer;
}

.checklist-item input {
    margin-right: 1rem;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.checklist-item input:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.checklist-item.completed span {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Quarterly Roadmap */
.roadmap-q {
    border-left: 2px solid var(--card-border);
    padding-left: 2rem;
    position: relative;
    padding-bottom: 2rem;
}

.roadmap-q::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
}

/* Footer */
footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* --- Login Overlay --- */
#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    transition: opacity 0.5s ease, visibility 0.5s;
}

#login-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 3rem;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--card-border);
    color: #fff;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.1);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.3s ease-in-out;
}