/* ==========================================
   CalculonPro — Design System & Styles
   Premium Dark Theme with Glassmorphism
   ========================================== */

/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --bg-glass-border: rgba(255, 255, 255, 0.1);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;

    --accent-primary: #6C63FF;
    --accent-secondary: #3B82F6;
    --accent-gradient: linear-gradient(135deg, #6C63FF 0%, #3B82F6 100%);

    --green: #10B981;
    --green-glow: rgba(16, 185, 129, 0.3);

    --fire-orange: #F97316;
    --fire-red: #EF4444;
    --fire-gradient: linear-gradient(135deg, #F97316 0%, #EF4444 100%);

    --invested-blue: #3B82F6;
    --interest-green: #10B981;

    /* Spacing */
    --container-max: 1100px;
    --section-padding: 80px 0;
    --card-padding: 28px;
    --card-radius: 16px;
    --input-radius: 12px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Shadows */
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(108, 99, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-fire {
    background: var(--fire-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bg-glass-border);
    padding: 12px 0;
}

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

.header__brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header__title {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.header__title--accent {
    color: var(--accent-primary);
}

.header__tagline {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header__nav {
    display: flex;
    gap: 20px;
}

.header__link {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.header__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
    transition: width var(--transition-normal);
}

.header__link:hover::after {
    width: 100%;
}

/* ===== HERO ===== */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero__content {
    max-width: 700px;
    margin: 0 auto 50px;
}

.hero__badge {
    display: inline-block;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 100px;
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 18px;
}

.hero__subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 30px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
}

.btn--primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
    color: white;
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--bg-glass-border);
}

.btn--ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn--share {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid var(--bg-glass-border);
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 0.85rem;
}

.btn--share:hover {
    background: rgba(108, 99, 255, 0.1);
    border-color: rgba(108, 99, 255, 0.3);
    color: var(--accent-primary);
    transform: translateY(-1px);
}

.btn--share-fire:hover {
    background: rgba(249, 115, 22, 0.1);
    border-color: var(--fire-orange);
    color: var(--fire-orange);
}

/* Hero Stats */
.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 700px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-card__icon {
    width: 28px;
    height: 28px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.stat-card__icon svg {
    width: 100%;
    height: 100%;
}

.stat-card__value {
    font-size: 0.9rem;
    font-weight: 700;
}

.stat-card__label {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: clamp(1.6rem, 4vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== CALCULATOR SECTION ===== */
.calculator-section {
    padding: var(--section-padding);
}

.calculator {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    align-items: start;
}

.calculator__inputs {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.calculator__results {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Groups */
.input-group__label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.input-group__icon {
    display: inline-flex;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.input-group__icon svg {
    width: 100%;
    height: 100%;
}

.btn--share svg,
.hero__badge svg {
    display: inline;
    width: 16px;
    height: 16px;
    vertical-align: -3px;
}

.input-group__wrapper {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--input-radius);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.input-group__wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}

.input-group__field {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 14px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1.1rem;
    font-weight: 700;
    outline: none;
    min-width: 0;
    -moz-appearance: textfield;
}

.input-group__field::-webkit-outer-spin-button,
.input-group__field::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.input-group__suffix {
    padding: 0 14px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Slider */
.input-group__slider {
    width: 100%;
    height: 6px;
    margin-top: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    outline: none;
    cursor: pointer;
}

.input-group__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-gradient);
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.5);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.input-group__slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(108, 99, 255, 0.6);
}

.input-group__slider:active::-webkit-slider-thumb {
    transform: scale(1.3);
    box-shadow: 0 0 25px rgba(108, 99, 255, 0.7);
}

.input-group__slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.5);
    border: none;
    cursor: pointer;
}

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

.result-card {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: all var(--transition-normal);
}

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

.result-card__label {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-card__value {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.result-card__detail {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.result-card--highlight {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.03));
    border-color: rgba(16, 185, 129, 0.2);
    grid-column: 1 / -1;
}

.result-card--highlight .result-card__value {
    font-size: 2rem;
    color: var(--green);
    text-shadow: 0 0 30px var(--green-glow);
}

.result-card__value--invested {
    color: var(--invested-blue);
}

.result-card__value--interest {
    color: var(--interest-green);
}

.result-card__value--multiplier {
    color: var(--accent-primary);
}

/* FIRE specific */
.result-card--fire-highlight {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(239, 68, 68, 0.05));
    border-color: rgba(249, 115, 22, 0.2);
    grid-column: 1 / -1;
}

.result-card--fire-highlight .result-card__value {
    font-size: 2rem;
    color: var(--fire-orange);
    text-shadow: 0 0 30px rgba(249, 115, 22, 0.3);
}

.result-card--fire {
    border-color: rgba(249, 115, 22, 0.1);
}

/* FIRE Progress Bar */
.fire-progress {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 12px;
    padding: 18px;
}

.fire-progress__bar {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.fire-progress__fill {
    height: 100%;
    background: var(--fire-gradient);
    border-radius: 10px;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

.fire-progress__labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Chart */
.chart-container {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: 20px;
    position: relative;
}

.chart-container canvas {
    width: 100% !important;
    max-height: 300px;
}

/* Share bar */
.share-bar {
    display: flex;
    gap: 8px;
}

/* ===== EVOLUTION TABLE ===== */
.evolution-table {
    margin-top: 30px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
}

.evolution-table__toggle {
    padding: 16px var(--card-padding);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    list-style: none;
    transition: all var(--transition-fast);
}

.evolution-table__toggle:hover {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.evolution-table__toggle::-webkit-details-marker {
    display: none;
}

.evolution-table__toggle::before {
    content: '▶ ';
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
    display: inline-block;
}

.evolution-table[open] .evolution-table__toggle::before {
    transform: rotate(90deg);
}

.evolution-table__content {
    overflow-x: auto;
}

.evolution-table__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.evolution-table__table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--bg-glass-border);
    background: rgba(0, 0, 0, 0.2);
}

.evolution-table__table td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-variant-numeric: tabular-nums;
}

.evolution-table__table tbody tr:hover {
    background: var(--bg-card-hover);
}

.evolution-table__table tbody tr:last-child td {
    border-bottom: none;
    font-weight: 700;
    color: var(--green);
}

/* ===== AD SLOTS ===== */
/* Hidden by default — only visible when AdSense injects content */
.ad-slot {
    padding: 0;
    display: none;
}

.ad-slot:has(ins.adsbygoogle) {
    display: block;
    padding: 20px 0;
}

.ad-placeholder {
    display: none;
}

/* ===== EDUCATION ===== */
.education {
    padding: var(--section-padding);
}

.education__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.edu-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.edu-card__icon {
    width: 32px;
    height: 32px;
    margin-bottom: 14px;
    color: var(--accent-primary);
}

.edu-card__icon svg {
    width: 100%;
    height: 100%;
}

.edu-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.edu-card__text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
    padding: var(--section-padding);
}

.faq__list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq__item {
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq__item[open] {
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-glow);
}

.faq__question {
    padding: 18px 22px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    list-style: none;
    transition: color var(--transition-fast);
}

.faq__question:hover {
    color: var(--accent-primary);
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    float: right;
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.faq__item[open] .faq__question::after {
    transform: rotate(45deg);
    color: var(--accent-primary);
}

.faq__answer {
    padding: 0 22px 18px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq__answer p {
    margin-bottom: 10px;
}

.faq__answer ul {
    margin: 8px 0 10px 20px;
}

.faq__answer li {
    margin-bottom: 4px;
}

/* ===== FOOTER ===== */
.footer {
    border-top: 1px solid var(--bg-glass-border);
    padding: 50px 0 30px;
    margin-top: 20px;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.footer__text {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 280px;
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__links h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.footer__links a {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer__links a:hover {
    color: var(--text-primary);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.footer__disclaimer {
    font-size: 0.68rem !important;
    color: var(--text-muted) !important;
    opacity: 0.6;
    max-width: 500px;
    margin: 0 auto !important;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.2);
    }

    50% {
        box-shadow: 0 0 40px rgba(16, 185, 129, 0.4);
    }
}

.result-card--highlight {
    animation: pulse-glow 3s ease-in-out infinite;
}

.calculator__results {
    animation: fadeInUp 0.5s ease;
}

/* Number animation for result values */
.result-card__value {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== HAMBURGER MENU ===== */
.header__hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 200;
}

.header__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.header__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active span:nth-child(2) {
    opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --section-padding: 40px 0;
        --card-padding: 20px;
    }

    .header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .header__hamburger {
        display: block;
    }

    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: #0a0a1a;
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        z-index: 150;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .header__nav.open {
        opacity: 1;
        visibility: visible;
    }

    .header__nav .header__link {
        font-size: 1.3rem;
        font-weight: 600;
        padding: 16px 0;
        opacity: 0;
        transform: translateY(10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .header__nav.open .header__link {
        opacity: 1;
        transform: translateY(0);
    }

    .header__nav.open .header__link:nth-child(1) {
        transition-delay: 0.05s;
    }

    .header__nav.open .header__link:nth-child(2) {
        transition-delay: 0.1s;
    }

    .header__nav.open .header__link:nth-child(3) {
        transition-delay: 0.15s;
    }

    .header__nav.open .header__link:nth-child(4) {
        transition-delay: 0.2s;
    }

    .header__nav.open .header__link:nth-child(5) {
        transition-delay: 0.25s;
    }

    .header__nav.open .header__link:nth-child(6) {
        transition-delay: 0.3s;
    }

    .header__nav.open .header__link:nth-child(7) {
        transition-delay: 0.35s;
    }

    .hero {
        padding: 40px 0 30px;
    }

    .hero__title {
        font-size: 1.8rem;
    }

    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 6px;
        padding: 14px 10px;
    }

    .calculator {
        grid-template-columns: 1fr;
    }

    .results-grid {
        grid-template-columns: 1fr 1fr;
    }

    .result-card--highlight .result-card__value,
    .result-card--fire-highlight .result-card__value {
        font-size: 1.6rem;
    }

    .education__grid {
        grid-template-columns: 1fr;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* ===== WHAT-IF SCENARIOS ===== */
.whatif-panel {
    margin-top: 24px;
    padding: 20px;
    background: rgba(108, 99, 255, 0.05);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: var(--card-radius);
}

.whatif-panel__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.whatif-panel__header svg {
    color: var(--accent-primary);
    flex-shrink: 0;
}

.whatif-panel__scenarios {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.whatif-card {
    position: relative;
    padding: 16px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: var(--transition-fast);
}

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

.whatif-card__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.whatif-card__value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.whatif-card__diff {
    font-size: 0.8rem;
    font-weight: 600;
}

.whatif-card--positive .whatif-card__diff {
    color: var(--green);
}

.whatif-card--negative .whatif-card__diff {
    color: var(--fire-red);
}

@media (max-width: 768px) {
    .whatif-panel__scenarios {
        grid-template-columns: 1fr;
    }

    .reco-panel__cards {
        grid-template-columns: 1fr;
    }
}

/* ===== RECOMMENDATION CARDS ===== */
.reco-panel {
    margin-top: 20px;
    padding: 20px;
    background: rgba(16, 185, 129, 0.04);
    border: 1px solid rgba(16, 185, 129, 0.12);
    border-radius: var(--card-radius);
}

.reco-panel__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--green);
}

.reco-panel__header svg {
    color: var(--green);
    flex-shrink: 0;
}

.reco-panel__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.reco-card {
    padding: 16px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: var(--transition-fast);
    position: relative;
}

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

.reco-card__tag {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 3px 8px;
    border-radius: 6px;
    align-self: flex-start;
}

.reco-card__tag--high {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
}

.reco-card__tag--med {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-secondary);
}

.reco-card__tag--low {
    background: rgba(249, 115, 22, 0.15);
    color: var(--fire-orange);
}

.reco-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.reco-card__desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.reco-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
}

.reco-card__return {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.reco-card__risk {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.reco-card__risk-bar {
    width: 50px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.reco-card__risk-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--green), var(--fire-orange), var(--fire-red));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.reco-card__ideal {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.reco-card__cta {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.reco-card__cta:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.reco-panel__disclaimer {
    margin-top: 14px;
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.4;
    opacity: 0.7;
}

.reco-card--best {
    position: relative;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
}

.reco-card--best .reco-card__tag::after {
    content: ' · Recomendado';
    font-weight: 400;
}

/* Dynamic Reco Panels (injected by JS) */
.reco-panel {
    margin-top: 24px;
    padding: 28px;
    background: var(--glass);
    border-radius: 16px;
    border: 1px solid var(--border);
}

.reco-panel__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.reco-panel__icon {
    font-size: 1.3rem;
}

.reco-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.reco-panel__disclaimer {
    margin-top: 16px;
    font-size: 0.7rem;
    color: rgba(160, 160, 192, 0.6);
    text-align: center;
}

.reco-panel__badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(16, 185, 129, 0.2));
    color: #a78bfa;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid rgba(167, 139, 250, 0.3);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {

    0%,
    100% {
        opacity: 0.85;
    }

    50% {
        opacity: 1;
    }
}

.reco-insights {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(16, 185, 129, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 20px;
}

.reco-insights__title {
    font-size: 0.85rem;
    font-weight: 700;
    color: #a78bfa;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.reco-insights__item {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 6px;
    padding-left: 4px;
}

.reco-insights__item:last-child {
    margin-bottom: 0;
}

/* Investment Guide */
.guide {
    padding: 80px 0;
}

.guide__table-wrapper {
    overflow-x: auto;
    margin: 30px 0;
    border-radius: 16px;
    background: var(--glass);
    border: 1px solid var(--border);
}

.guide__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 600px;
}

.guide__table thead {
    background: rgba(108, 99, 255, 0.15);
}

.guide__table th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.guide__table td {
    padding: 12px 16px;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
}

.guide__table tbody tr:hover {
    background: rgba(108, 99, 255, 0.05);
}

.guide__risk {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.guide__risk--low {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.guide__risk--med {
    background: rgba(249, 115, 22, 0.15);
    color: #F97316;
}

.guide__risk--high {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.guide__tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.guide__tip {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
}

.guide__tip h3 {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.guide__tip p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.guide__tip a {
    color: var(--primary);
    font-weight: 500;
}

/* Final CTA */
.final-cta {
    padding: 60px 0;
}

.final-cta__content {
    text-align: center;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(16, 185, 129, 0.1));
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: 24px;
    padding: 50px 30px;
}

.final-cta__content h2 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.final-cta__content p {
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

.final-cta__buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), #8B5CF6);
    color: #fff;
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.35);
}

.btn--secondary {
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn--secondary:hover {
    border-color: var(--primary);
    background: rgba(108, 99, 255, 0.1);
}


@media (max-width: 480px) {
    .hero__cta-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== QUICK PLAN WIZARD ===== */
.quick-plan {
    padding: 60px 0 40px;
    position: relative;
}

.quick-plan::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.quick-plan__header {
    text-align: center;
    margin-bottom: 40px;
}

.quick-plan__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(239, 68, 68, 0.1));
    border: 1px solid rgba(249, 115, 22, 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #F97316;
    margin-bottom: 16px;
    animation: pulse-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.85;
        transform: scale(1.02);
    }
}

.quick-plan__title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.quick-plan__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== SIMULATOR PLAYGROUND ===== */
.sim-playground {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 32px;
    align-items: start;
}

.sim-playground__controls {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
}

.sim-playground__results {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* AI Box */
.sim-ai-box {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.08), rgba(16, 185, 129, 0.06));
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: 14px;
    align-items: flex-start;
}

.sim-ai-box__icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    animation: ai-pulse 1.5s ease-in-out infinite;
}

@keyframes ai-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.sim-ai-box__text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    transition: opacity 0.3s;
}

/* Slider Group */
.sim-slider-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sim-slider-group__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sim-slider-group__label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.sim-slider-group__value {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    padding: 2px 10px;
    border-radius: 8px;
    min-width: 70px;
    text-align: center;
    transition: transform 0.15s, color 0.2s;
}

.sim-slider-group__value.flash {
    transform: scale(1.1);
    color: #10B981;
}

.sim-slider-group__ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-muted);
    padding: 0 2px;
}

/* Sim Slider */
.sim-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-secondary);
    cursor: pointer;
    outline: none;
    transition: background 0.2s;
}

.sim-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: 3px solid var(--bg-card);
    cursor: grab;
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.4), 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.1s;
}

.sim-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.sim-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: 3px solid var(--bg-card);
    cursor: grab;
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.4);
}

/* Goal Buttons */
.sim-goal-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sim-goal-btn {
    padding: 10px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    line-height: 1.3;
}

.sim-goal-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.sim-goal-btn.active {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(59, 130, 246, 0.1));
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(108, 99, 255, 0.15);
}

/* Capital Hero */
.sim-capital-hero {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.sim-capital-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10B981, #6C63FF, #F97316);
}

.sim-capital-hero__label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sim-capital-hero__age {
    color: #10B981;
    font-weight: 700;
}

.sim-capital-hero__amount {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 900;
    background: linear-gradient(135deg, #10B981, #6C63FF);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin: 8px 0;
    transition: transform 0.3s;
}

.sim-capital-hero__amount.bounce {
    animation: capitalBounce 0.4s ease;
}

@keyframes capitalBounce {
    0% {
        transform: scale(1);
    }

    40% {
        transform: scale(1.06);
    }

    100% {
        transform: scale(1);
    }
}

.sim-capital-hero__detail {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.sim-capital-hero__interest {
    color: #F97316;
    font-weight: 700;
}

.sim-capital-hero__profile {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-subtle);
}

/* Metrics */
.sim-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.sim-metric {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 14px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: border-color 0.2s;
}

.sim-metric:hover {
    border-color: var(--accent-primary);
}

.sim-metric__value {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    transition: color 0.2s;
}

.sim-metric__label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* 4 Pilares Intro */
.sim-pilares-intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sim-pilares-icons {
    letter-spacing: 4px;
}

/* Cards (keep existing) */
.quick-plan__cards {
    display: grid;
    gap: 14px;
}

.qp-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 20px;
    transition: border-color 0.2s;
    border-left: 4px solid;
}

.qp-card:hover {
    border-color: var(--accent-primary);
}

.qp-card__header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.qp-card__tag {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qp-card__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.qp-card__body {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

.qp-card__detail {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 8px;
}

.qp-card__link {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.qp-card__link:hover {
    color: var(--accent-secondary);
}

/* CTA */
.sim-cta {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.08), rgba(59, 130, 246, 0.06));
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: 14px;
}

.sim-cta p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

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

.btn--sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
    .sim-playground {
        grid-template-columns: 1fr;
    }

    .sim-playground__controls {
        position: static;
    }

    .sim-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .sim-goal-buttons {
        grid-template-columns: 1fr;
    }

    .sim-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .sim-capital-hero__amount {
        font-size: 2rem;
    }
}


/* ==========================================
   PLAN PAGE — Step 1: Data Collection
   ========================================== */

.plan-step {
    padding: 60px 0 80px;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.plan-step__header {
    text-align: center;
    margin-bottom: 48px;
}

.plan-step__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--text-primary);
    margin: 16px 0 12px;
}

.plan-step__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.plan-step__form {
    max-width: 640px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Input Cards */
.plan-input-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    padding: 24px;
    transition: var(--transition-normal);
}

.plan-input-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 99, 255, 0.2);
}

.plan-input-card__icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 12px;
}

.plan-input-card__content {
    flex: 1;
    min-width: 0;
}

.plan-input-card__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.plan-input-card__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 8px 0 12px;
}

.plan-input-card .sim-slider {
    width: 100%;
}

/* Goal Grid */
.plan-goal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.plan-goal-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 12px;
    border: 2px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    font-family: var(--font-family);
}

.plan-goal-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    background: rgba(108, 99, 255, 0.05);
}

.plan-goal-card.active {
    border-color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    color: var(--text-primary);
}

.plan-goal-card__icon {
    font-size: 1.6rem;
}

.plan-goal-card__title {
    font-size: 0.85rem;
    font-weight: 700;
}

.plan-goal-card__desc {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.plan-goal-card.active .plan-goal-card__desc {
    color: var(--text-secondary);
}

/* CTA Button */
.plan-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 18px 32px;
    border: none;
    border-radius: var(--card-radius);
    background: var(--accent-gradient);
    color: #fff;
    font-size: 1.15rem;
    font-weight: 800;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition-normal);
    margin-top: 12px;
    box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3);
}

.plan-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5);
}

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


/* ==========================================
   PLAN PAGE — Step 2: Mode Bar (Simple/Pro)
   ========================================== */

.plan-mode-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
    flex-wrap: wrap;
}

.plan-mode-btn {
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.plan-mode-btn:hover {
    color: var(--text-primary);
    border-color: rgba(108, 99, 255, 0.3);
}

.plan-mode-toggle {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: 12px;
    padding: 4px;
    gap: 4px;
}

.plan-mode-toggle__btn {
    padding: 8px 20px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-family);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.plan-mode-toggle__btn.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 2px 12px rgba(108, 99, 255, 0.3);
}

.plan-mode-toggle__btn:not(.active):hover {
    color: var(--text-primary);
}

/* PRO Controls */
.sim-pro-controls {
    border-top: 1px solid var(--bg-glass-border);
    margin-top: 16px;
    padding-top: 16px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Plan Page ===== */
@media (max-width: 600px) {
    .plan-input-card {
        flex-direction: column;
        gap: 12px;
        padding: 20px;
    }

    .plan-input-card__icon {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .plan-goal-grid {
        grid-template-columns: 1fr;
    }

    .plan-mode-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .plan-mode-toggle {
        justify-content: center;
    }
}


/* ==========================================
   LANDING PAGE — Calculator Grid
   ========================================== */

.landing-calc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.landing-calc-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
}

.landing-calc-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 99, 255, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.landing-calc-card--fire {
    border-color: rgba(249, 115, 22, 0.2);
}

.landing-calc-card--fire:hover {
    border-color: rgba(249, 115, 22, 0.4);
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.15);
}

.landing-calc-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

.landing-calc-card__title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.landing-calc-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    flex: 1;
}

.landing-calc-card__cta {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.landing-calc-card:hover .landing-calc-card__cta {
    color: var(--accent-secondary);
}

@media (max-width: 768px) {
    .landing-calc-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .landing-calc-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .landing-calc-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--bg-glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

/* Hero dual buttons */
.hero__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 36px;
    border-radius: 14px;
    font-size: 1.05rem;
    font-weight: 700;
    font-family: var(--font-family);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
}

.btn--primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.35);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.5);
}

.btn--xl {
    padding: 22px 56px;
    font-size: 1.25rem;
    border-radius: 18px;
    min-width: 380px;
    box-shadow: 0 6px 30px rgba(108, 99, 255, 0.4);
}

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

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

/* Hero mini-card grid */
.hero__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 720px;
    margin: 0 auto;
}

.hero-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px;
    background: var(--bg-card);
    border: 1px solid var(--bg-glass-border);
    border-radius: var(--card-radius);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.hero-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.hero-card__icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.hero-card__name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.hero-card__desc {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Hero stats (used on some pages) */
.hero__stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 32px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero__stat-number {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Responsive hero */
@media (max-width: 640px) {
    .hero {
        padding: 80px 0 40px;
    }

    .hero__cards {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .hero-card {
        padding: 18px 12px;
    }

    .hero__buttons {
        flex-direction: column;
        gap: 12px;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }

    .hero__stats {
        gap: 24px;
    }
}