/* ============================================
   YOUNG INVESTOR SIMULATOR
   Professional Black & White Theme
   ============================================ */

/* --- Variables --- */
:root {
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1140px;
}

/* Dark Theme (default) */
[data-theme="dark"] {
    --bg: #000000;
    --bg-secondary: #060606;
    --bg-card: #0c0c0c;
    --bg-card-hover: #141414;
    --bg-elevated: #181818;
    --text: #ffffff;
    --text-secondary: #999999;
    --text-muted: #555555;
    --border: #1a1a1a;
    --border-light: #222222;
    --accent: #ffffff;
    --accent-soft: rgba(255,255,255,0.06);
    --green: #00e676;
    --green-soft: rgba(0,230,118,0.08);
    --green-border: rgba(0,230,118,0.25);
    --slider-track: #1a1a1a;
    --slider-fill: #ffffff;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.03) 0%, transparent 70%);
}

/* Light Theme */
[data-theme="light"] {
    --bg: #fafafa;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8f8;
    --bg-elevated: #ffffff;
    --text: #0a0a0a;
    --text-secondary: #555555;
    --text-muted: #999999;
    --border: #eeeeee;
    --border-light: #e5e5e5;
    --accent: #0a0a0a;
    --accent-soft: rgba(0,0,0,0.04);
    --green: #00a854;
    --green-soft: rgba(0,168,84,0.06);
    --green-border: rgba(0,168,84,0.2);
    --slider-track: #e0e0e0;
    --slider-fill: #0a0a0a;
    --shadow: 0 8px 32px rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(0,0,0,0.02) 0%, transparent 70%);
}

/* --- Reset --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 80px; }

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ========== NAVBAR ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(250,250,250,0.85);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
}

.logo-icon { width: 32px; height: 32px; }
.logo-accent { color: var(--text-secondary); font-weight: 400; }

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    letter-spacing: 0.3px;
}

.nav-links a:hover { color: var(--text); }

.nav-links a.nav-active {
    color: var(--green);
}

.nav-links a.nav-soon {
    position: relative;
}

.nav-links a.nav-soon::after {
    content: 'SOON';
    position: absolute;
    top: -8px;
    right: -16px;
    font-size: 7px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #000;
    background: var(--green);
    padding: 1px 4px;
    border-radius: 4px;
    line-height: 1.3;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: transparent;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: var(--accent-soft);
    transform: scale(1.05);
}

/* ========== AUTH BUTTON ========== */
.auth-btn {
    padding: 8px 20px;
    border: 1px solid var(--green-border);
    border-radius: 100px;
    background: var(--green-soft);
    color: var(--green);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.auth-btn:hover {
    background: var(--green);
    color: #000;
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--green);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: box-shadow 0.2s;
    user-select: none;
}
.user-avatar:hover { box-shadow: 0 0 0 3px rgba(0,230,118,0.25); }

/* Profile dropdown */
.profile-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 240px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 12px 0;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    z-index: 1000;
    animation: dropdownIn 0.15s ease;
}
.profile-dropdown.open { display: block; }
@keyframes dropdownIn { from { opacity:0; transform: translateY(-8px); } to { opacity:1; transform: translateY(0); } }

.profile-info { padding: 10px 18px 8px; }
.profile-name { font-weight: 700; font-size: 15px; color: var(--text-primary); }
.profile-email { font-size: 12px; color: var(--text-muted); margin-top: 2px; word-break: break-all; }
.profile-divider { height: 1px; background: var(--border); margin: 8px 0; }
.profile-badge { padding: 6px 18px; font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.badge-icon { color: var(--green); }
.profile-link { display: block; padding: 8px 18px; font-size: 13px; color: var(--green); text-decoration: none; font-weight: 600; transition: background 0.15s; }
.profile-link:hover { background: rgba(0,230,118,0.06); }
.profile-action { width: 100%; padding: 8px 18px; border: none; background: transparent; color: var(--text-secondary); font-family: var(--font-main); font-size: 13px; cursor: pointer; text-align: left; transition: all 0.15s; display: flex; align-items: center; gap: 8px; }
.profile-action:hover { background: rgba(0,230,118,0.06); color: var(--text-primary); }
.profile-signout { width: 100%; padding: 8px 18px; border: none; background: transparent; color: var(--text-muted); font-family: var(--font-main); font-size: 13px; cursor: pointer; text-align: left; transition: all 0.15s; }
.profile-signout:hover { color: #ff5252; background: rgba(255,82,82,0.06); }

/* Hide old signout-btn */
.signout-btn { display: none; }

/* ========== AUTH MODAL ========== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--accent-soft);
    color: var(--text);
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 4px;
    background: var(--accent-soft);
    border-radius: 100px;
    padding: 4px;
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 100px;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.auth-tab.active {
    background: var(--accent);
    color: var(--bg);
}

/* Auth Forms */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    font-size: 14px;
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--green);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.auth-error {
    font-size: 13px;
    color: #ff5252;
    min-height: 0;
    transition: all var(--transition);
}

.auth-submit {
    padding: 14px;
    border: none;
    border-radius: var(--radius);
    background: var(--accent);
    color: var(--bg);
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.auth-submit:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.auth-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
}

.google-btn:hover {
    background: var(--accent-soft);
    border-color: var(--text-muted);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ========== FULLSCREEN CHART ========== */
.fullscreen-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 40px;
}

.fullscreen-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.fullscreen-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-light);
    border-radius: 50%;
    background: var(--bg-card);
    color: var(--text);
    font-size: 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    z-index: 10;
}

.fullscreen-close:hover {
    background: var(--accent);
    color: var(--bg);
}

.fullscreen-hint {
    position: absolute;
    top: 32px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 13px;
    color: var(--text-muted);
}

.fullscreen-chart-wrap {
    width: 100%;
    max-width: 1400px;
    height: 70vh;
    position: relative;
}

.fullscreen-stats {
    display: flex;
    gap: 32px;
    margin-top: 24px;
}

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

.fullscreen-stat-value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
}

.fullscreen-stat-value.green { color: var(--green); }

.fullscreen-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    aspect-ratio: 16 / 9;
    position: relative;
    cursor: pointer;
}

.chart-expand-hint {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.chart-container:hover .chart-expand-hint {
    opacity: 1;
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--green-soft) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--border-light);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 7vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.hero-highlight {
    color: var(--green);
    display: inline-block;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-weight: 300;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    letter-spacing: 0.3px;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.cta-arrow {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* ========== GOAL BANNER ========== */
.goal-banner {
    padding: 0 0 80px;
    margin-top: -40px;
    position: relative;
    z-index: 2;
}

.goal-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.5s ease;
    position: relative;
}

.goal-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--green), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.goal-card.hit::after { opacity: 1; }

.goal-top {
    padding: 48px 40px 24px;
    text-align: center;
}

.goal-amount {
    font-family: var(--font-display);
    font-size: clamp(48px, 10vw, 80px);
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 1;
    margin-bottom: 8px;
    transition: color var(--transition);
}

.goal-card.hit .goal-amount { color: var(--green); }

.goal-label {
    font-size: 15px;
    color: var(--text-secondary);
}

.goal-bottom {
    padding: 24px 40px 40px;
    text-align: center;
}

.goal-quote {
    font-size: 14px;
    color: var(--text-muted);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========== SECTIONS SHARED ========== */
.section-header {
    margin-bottom: 40px;
}

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

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 500px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* ========== SIMULATOR ========== */
.simulator {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.sim-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 48px;
    align-items: start;
}

/* Controls */
.controls-panel {
    position: sticky;
    top: 100px;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
}

.control-group { margin-bottom: 24px; }
.control-group:last-of-type { margin-bottom: 20px; }

.control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.control-header label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.control-value {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
}

.control-range {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Sliders */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: var(--slider-track);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--slider-fill);
    cursor: pointer;
    border: 3px solid var(--bg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--slider-fill);
    cursor: pointer;
    border: 3px solid var(--bg);
    box-shadow: var(--shadow-sm);
}

/* Currency */
.currency-toggle {
    display: flex;
    gap: 8px;
}

.currency-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.currency-btn.active {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
}

.currency-btn:hover:not(.active) {
    border-color: var(--text-muted);
    color: var(--text-secondary);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    transition: all var(--transition);
}

.stat-card:hover { background: var(--bg-card-hover); }

.stat-card.accent {
    border-color: var(--green-border);
    background: var(--green-soft);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 2px;
}

.stat-card.accent .stat-value { color: var(--green); }

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========== MILESTONES ========== */
.milestones-section {
    padding: 100px 0;
}

.milestones {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.milestone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    font-size: 14px;
    transition: all var(--transition);
    opacity: 0.35;
}

.milestone.reached {
    opacity: 1;
    border-color: var(--green-border);
    background: var(--green-soft);
}

.milestone-icon { font-size: 18px; }

.milestone-amount {
    font-family: var(--font-display);
    font-weight: 700;
}

.milestone-year {
    color: var(--text-muted);
    font-size: 12px;
}

/* ========== COMPARISON ========== */
.comparison-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.comparison-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.comparison-card {
    text-align: center;
    padding: 40px 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    flex: 1;
    max-width: 320px;
    min-width: 220px;
    transition: all var(--transition);
    position: relative;
}

.comparison-card.winner {
    border-color: var(--green-border);
}

.comparison-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--green);
    color: #000;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.comparison-card.loser { opacity: 0.55; }

.comparison-age {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.comparison-amount {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 4px;
}

.comparison-detail {
    font-size: 13px;
    color: var(--text-muted);
}

.comparison-vs {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-muted);
}

.comparison-diff {
    text-align: center;
    margin-top: 24px;
    font-size: 15px;
    color: var(--text-secondary);
}

.comparison-diff strong { color: var(--green); }

/* ========== LEGENDS (INVESTORS) ========== */
.legends-section {
    padding: 100px 0;
}

.legends-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.legend-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    transition: all var(--transition);
}

.legend-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.legend-avatar {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.legend-avatar::after {
    content: attr(data-initials);
}

.legend-card:hover .legend-avatar {
    border-color: var(--green-border);
    color: var(--green);
    background: var(--green-soft);
}

.legend-info { flex: 1; min-width: 0; }

.legend-name {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 2px;
}

.legend-title {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.legend-stat {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.legend-stat strong { color: var(--green); }

.legend-quote {
    font-size: 13px;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.5;
    border-left: 2px solid var(--border-light);
    padding-left: 12px;
}

/* ========== FACTS ========== */
.facts-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.fact-card {
    padding: 36px 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    text-align: center;
    transition: all var(--transition);
}

.fact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.fact-number {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 12px;
}

.fact-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== QUOTE SECTION ========== */
.quote-section {
    padding: 80px 0;
}

.quote-carousel {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.quote-marks {
    font-family: var(--font-display);
    font-size: 80px;
    line-height: 0.5;
    color: var(--border-light);
    margin-bottom: 16px;
}

.big-quote {
    font-family: var(--font-display);
    font-size: clamp(22px, 3.5vw, 32px);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
}

.quote-author {
    font-size: 14px;
    color: var(--text-muted);
    font-style: normal;
}

/* ========== HISTORICAL RETURNS REF (Collapsible) ========== */
.returns-ref {
    margin-bottom: 24px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--accent-soft);
}

.returns-ref-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.returns-ref-title::-webkit-details-marker { display: none; }
.returns-ref-title::marker { display: none; content: ''; }

.returns-ref-title::after {
    content: '+';
    font-size: 16px;
    font-weight: 700;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.returns-ref[open] .returns-ref-title::after {
    content: '-';
}

.returns-ref[open] .returns-ref-title {
    margin-bottom: 12px;
}

.returns-ref-title:hover {
    color: var(--text-secondary);
}

.returns-ref-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.returns-ref-item {
    display: flex;
    flex-direction: column;
    padding: 8px;
    border-radius: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
}

.returns-ref-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.returns-ref-value {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
}

.returns-ref-value.green { color: var(--green); }
.returns-ref-value.red { color: #ff5252; }
.returns-ref-value.dim { color: var(--text-muted); }

.returns-ref-period {
    font-size: 9px;
    color: var(--text-muted);
}

.returns-ref-note {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 10px;
    font-style: italic;
}

/* ========== NAV RIGHT ========== */
.nav-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.save-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-light);
    border-radius: 100px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.save-btn:hover {
    border-color: var(--green-border);
    color: var(--green);
    background: var(--green-soft);
}

.save-icon { font-size: 14px; }

/* ========== TOAST ========== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: var(--green);
    color: #000;
    font-size: 14px;
    font-weight: 600;
    border-radius: 100px;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ========== BROKER CTA ========== */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    padding: 48px;
    text-align: center;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.cta-desc {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 500px;
    margin: 0 auto 32px;
}

.brokers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.broker-card {
    padding: 20px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    transition: all var(--transition);
    text-decoration: none;
}

.broker-card:hover {
    border-color: var(--green-border);
    background: var(--green-soft);
    transform: translateY(-2px);
}

.broker-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.broker-detail {
    font-size: 11px;
    color: var(--text-muted);
}

.cta-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}

/* ========== LANGUAGE DROPDOWN ========== */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.lang-btn:hover {
    background: var(--accent-soft);
    color: var(--text);
}

.lang-menu {
    position: absolute;
    top: 48px;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    min-width: 160px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 100;
}

.lang-dropdown.open .lang-menu {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition);
}

.lang-option:hover {
    background: var(--accent-soft);
    color: var(--text);
}

.lang-option.active {
    color: var(--green);
    font-weight: 600;
}

/* ========== SHARE BUTTON ========== */
.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: 12px;
}

.share-btn:hover {
    border-color: var(--green-border);
    color: var(--green);
    background: var(--green-soft);
}

.share-btn svg {
    flex-shrink: 0;
}

/* ========== FREE vs PRO PLANS ========== */
.pro-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

/* Pricing Toggle */
.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 4px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    border-radius: 100px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.pricing-btn.active {
    background: var(--green);
    color: #000;
}

.save-tag {
    font-size: 10px;
    font-weight: 700;
    color: var(--green);
    background: var(--green-soft);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 4px;
}

.pricing-btn.active .save-tag {
    color: #000;
    background: rgba(0,0,0,0.15);
}

.plan-annual-note {
    font-size: 12px;
    color: var(--green);
    margin-top: 4px;
    font-weight: 500;
}

.plans-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 860px;
    margin: 0 auto 48px;
}

.plan-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    padding: 36px 32px;
    position: relative;
    transition: all var(--transition);
}

.plan-card.pro {
    border-color: var(--green-border);
    background: linear-gradient(180deg, var(--green-soft) 0%, var(--bg-card) 30%);
}

.pro-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--green);
    color: #000;
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    white-space: nowrap;
}

.plan-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.plan-card.pro .plan-header {
    margin-top: 8px;
}

.plan-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.plan-price-row {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.plan-price {
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 900;
    letter-spacing: -2px;
}

.plan-period {
    font-size: 14px;
    color: var(--text-muted);
}

.plan-features {
    margin-bottom: 28px;
}

.plan-feat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.plan-feat.no {
    color: var(--text-muted);
    opacity: 0.5;
}

.plan-feat.highlight {
    color: var(--text);
}

.feat-icon {
    flex-shrink: 0;
    width: 20px;
    text-align: center;
    font-weight: 700;
}

.plan-feat.yes .feat-icon { color: var(--green); }

.feat-tag {
    font-size: 9px;
    font-weight: 700;
    padding: 2px 6px;
    background: var(--green);
    color: #000;
    border-radius: 100px;
    letter-spacing: 0.5px;
    margin-left: 4px;
}

.plan-btn {
    display: block;
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 100px;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition);
    text-decoration: none;
}

.plan-btn-free {
    background: var(--accent-soft);
    color: var(--text);
    border: 1px solid var(--border-light);
}

.plan-btn-free:hover {
    background: var(--accent);
    color: var(--bg);
}

.plan-btn-pro {
    background: var(--green);
    color: #000;
}

.plan-btn-pro:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,230,118,0.3);
}

.pro-note {
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* Pro Highlights */
.pro-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

a.pro-hl-card,
.pro-hl-card {
    padding: 24px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    text-align: center;
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.pro-hl-card:hover {
    border-color: var(--green-border);
    transform: translateY(-2px);
}

.pro-hl-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.pro-hl-card h4 {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.pro-hl-card p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ========== FOOTER ========== */
.footer {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.footer-cta {
    text-align: center;
    padding: 80px 0 60px;
}

.footer-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.underline {
    text-decoration: underline;
    text-decoration-color: var(--green);
    text-underline-offset: 6px;
    text-decoration-thickness: 3px;
}

.footer-sub {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 48px 0;
    border-top: 1px solid var(--border);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 12px;
}

.footer-about {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
    transition: color var(--transition);
}

.footer-col a:hover { color: var(--text); }

.footer-badge {
    display: inline-block;
    font-size: 9px;
    font-weight: 700;
    color: #000;
    background: var(--green);
    padding: 1px 5px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.3px;
}

.footer-disclaimer {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .sim-grid { grid-template-columns: 1fr; }
    .controls-panel { position: static; }
    .legends-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .nav-links { display: none; }
    .brokers-grid { grid-template-columns: repeat(2, 1fr); }
    .save-text { display: none; }
    .fullscreen-overlay { padding: 20px; }
    .fullscreen-chart-wrap { height: 60vh; }
    .fullscreen-stats { flex-wrap: wrap; gap: 16px; }
    .plans-grid { grid-template-columns: 1fr; max-width: 440px; }
    .pro-highlights { grid-template-columns: repeat(2, 1fr); }
    .nav-inner { padding: 0 16px; }
    .nav-logo { font-size: 16px; }
    .nav-logo .logo-accent { display: none; }
}

@media (max-width: 600px) {
    /* Navbar mobile */
    .navbar { padding: 10px 0; }
    .nav-inner { padding: 0 12px; }
    .nav-logo { font-size: 14px; gap: 6px; }
    .logo-icon { width: 26px; height: 26px; }
    .nav-right { gap: 4px; }
    .nav-right .theme-toggle,
    .nav-right .lang-toggle,
    .nav-right .currency-toggle { width: 34px; height: 34px; font-size: 15px; }
    .save-btn { padding: 6px 10px; font-size: 12px; }
    .signout-btn { display: none; }
    .auth-btn { padding: 6px 14px; font-size: 12px; }

    /* Hero mobile */
    .hero { padding: 90px 16px 48px; min-height: auto; }
    .hero-title { font-size: clamp(28px, 8vw, 44px); letter-spacing: -1px; }
    .hero-subtitle { font-size: 15px; margin-bottom: 28px; }
    .hero-cta { padding: 12px 24px; font-size: 14px; }

    /* Simulator mobile */
    .section { padding: 48px 0; }
    .section-title { font-size: clamp(24px, 6vw, 36px); }

    /* Slider labels — prevent overflow */
    .slider-label { font-size: 13px; }
    .slider-value { font-size: 13px; word-break: break-word; }
    .slider-group { margin-bottom: 20px; }

    /* Goal card */
    .goal-top { padding: 24px 16px 12px; }
    .goal-bottom { padding: 12px 16px 24px; }
    .goal-card { margin: 0 16px; }

    /* Chart */
    .chart-container { aspect-ratio: 4 / 3; }
    .chart-toggles { flex-wrap: wrap; gap: 6px; }
    .chart-toggle { font-size: 11px; padding: 5px 10px; }

    /* Stats grid */
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .stat-card { padding: 16px; }

    /* Milestones */
    .milestones-grid { gap: 8px; }

    /* Comparison */
    .comparison-card { padding: 24px 16px; min-width: unset; }

    /* Facts */
    .facts-grid { grid-template-columns: 1fr; }

    /* Legends */
    .legend-card { flex-direction: column; align-items: center; text-align: center; padding: 20px 16px; }
    .legend-quote { border-left: none; padding-left: 0; font-size: 14px; }

    /* Returns reference */
    .returns-ref-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }

    /* Brokers */
    .brokers-grid { grid-template-columns: 1fr; }

    /* Pro section mobile */
    .pro-section { padding: 48px 0; }
    .pricing-toggle { max-width: 280px; }
    .pricing-btn { padding: 8px 12px; font-size: 13px; }
    .plan-card { padding: 24px 16px; }
    .plan-price { font-size: clamp(36px, 10vw, 52px); }
    .pro-highlights { grid-template-columns: 1fr; gap: 12px; }
    .pro-hl-card { padding: 16px; }

    /* CTA */
    .cta-card { padding: 28px 16px; }
    .cta-title { font-size: clamp(22px, 6vw, 32px); }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer { padding: 48px 0 24px; }

    /* Modal */
    .modal { padding: 24px 16px; margin: 12px; max-width: calc(100vw - 24px); }
    .modal input { font-size: 16px; /* prevents iOS zoom */ }

    /* Fullscreen chart mobile */
    .fullscreen-chart-wrap { height: 50vh; }
    .fullscreen-stats { gap: 12px; }
    .fullscreen-stat { font-size: 13px; }

    /* General overflow prevention */
    body { overflow-x: hidden; }
    .container { padding: 0 16px; }
}

@media (max-width: 380px) {
    /* Very small screens */
    .hero-title { font-size: 26px; }
    .nav-logo span:not(.logo-accent) { font-size: 13px; }
    .nav-right .theme-toggle,
    .nav-right .lang-toggle,
    .nav-right .currency-toggle { width: 30px; height: 30px; font-size: 13px; }
    .pricing-toggle { max-width: 240px; }
    .plan-feat { font-size: 13px; }
    .returns-ref-grid { grid-template-columns: 1fr; }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ========== SELECTION ========== */
::selection {
    background: var(--green);
    color: #000;
}