/* ─────────────────────────────────────────
   Design Tokens — Premium Dark Tech
   ───────────────────────────────────────── */
:root {
    --gold-primary: #D4AF37;
    --gold-light: #F9E2AF;
    --gold-dark: #B8860B;
    --gold-gradient: linear-gradient(90deg, var(--gold-primary) 0%, var(--gold-light) 50%, var(--gold-dark) 100%);
    
    --charcoal: #0a0a0a;
    --sage: #a1a1aa;
    --white: #ffffff;
    --black: #000000;
    --dark-gray: #111111;

    --border-color: #27272a;
    --border: 1px solid var(--border-color);

    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.9);
    --glow-gold: 0 0 15px rgba(212, 175, 55, 0.3);

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-btn: 8px;
    --radius-card: 16px;

    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

    --color-foreground: var(--white);
    --color-yellow: var(--gold-primary);
}

/* ─────────────────────────────────────────
   Reset & Base
   ───────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ─────────────────────────────────────────
   Theming & Contexts
   ───────────────────────────────────────── */
.theme-light, .theme-dark, .theme-yellow {
    /* Mapeando todos para dark tech */
    --text-primary: var(--white);
    --text-muted: var(--sage);
    --accent-color: var(--gold-primary);
    background-color: var(--black);
}

.theme-light { background-color: var(--charcoal); }
.theme-dark { background-color: var(--black); }
.theme-yellow { background-color: var(--dark-gray); }

/* ─────────────────────────────────────────
   Typography
   ───────────────────────────────────────── */
.font-outfit {
    font-family: var(--font-heading);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--white);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.section-label,
.hero-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-light);
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 3rem);
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 3.5vw, 1.5rem);
    font-weight: 700;
    color: var(--sage);
    margin-bottom: 1rem;
}

.section-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-weight: 400;
    color: var(--sage);
}

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

.text-muted {
    color: var(--sage);
    opacity: 1;
}

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-center { text-align: center; }

/* ─────────────────────────────────────────
   Layout
   ───────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding { padding: 8rem 0; }
.pt-large { padding-top: 11rem; }
.pt-lg { padding-top: 2.5rem; }
.pt-xl { padding-top: 5rem; }
.mt-md { margin-top: 1.5rem; }
.mt-large { margin-top: 3.5rem; }
.mt-xl { margin-top: 5rem; }
.mb-md { margin-bottom: 1.5rem; }
.mb-large { margin-bottom: 3rem; }
.mb-xl { margin-bottom: 5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-md { max-width: 56rem; }

.border-t { border-top: var(--border); }
.border-b { border-bottom: var(--border); }
.border-light { border-color: rgba(255, 255, 255, 0.05); }

/* ─────────────────────────────────────────
   Visual Elements
   ───────────────────────────────────────── */
.dot-pattern {
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1.5px, transparent 1.5px);
    background-size: 32px 32px;
}

/* ─────────────────────────────────────────
   Navbar
   ───────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    z-index: 100;
    background-color: rgba(5, 5, 5, 0.75);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: var(--border);
    display: flex;
    align-items: center;
}

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

.logo span {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

/* ─────────────────────────────────────────
   Buttons (CTAs)
   ───────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-btn);
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1;
    border: none;
    cursor: pointer;
}

.btn-primary, .btn-yellow {
    background: var(--gold-gradient);
    color: var(--black);
    box-shadow: var(--glow-gold);
}

.btn-primary:hover, .btn-yellow:hover {
    box-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline {
    background: transparent;
    color: var(--gold-light);
    border: 1px solid var(--gold-primary);
}

.btn-outline:hover {
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.125rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-xl {
    padding: 1.125rem 2.5rem;
    font-size: 1.0625rem;
}

.btn-block {
    width: 100%;
}

.pulse-animation {
    animation: gold-pulse 2.5s ease infinite;
}

@keyframes gold-pulse {
    0% { box-shadow: var(--glow-gold); }
    50% { box-shadow: 0 0 35px rgba(212, 175, 55, 0.6); }
    100% { box-shadow: var(--glow-gold); }
}

/* ─────────────────────────────────────────
   Hero
   ───────────────────────────────────────── */
.hero {
    text-align: center;
    position: relative;
    z-index: 1;
    border-bottom: var(--border);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.hero-content {
    max-width: 1040px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 4vw, 4rem);
    margin-bottom: 1.75rem;
}

.hero-subtitle {
    color: var(--sage);
    max-width: 680px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
}

/* ─────────────────────────────────────────
   Marquee Bar
   ───────────────────────────────────────── */
.marquee-bar {
    border-bottom: var(--border);
    overflow: hidden;
    padding: 1.125rem 0;
    background: var(--charcoal);
}

.marquee-track {
    display: flex;
    overflow: hidden;
}

.marquee-inner {
    display: flex;
    gap: 2.5rem;
    animation: marquee-scroll 28s linear infinite;
    width: max-content;
    align-items: center;
}

.marquee-inner span {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    opacity: 0.8;
    white-space: nowrap;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.marquee-inner .marquee-sep {
    color: var(--gold-primary);
    opacity: 0.6;
    font-size: 0.5rem;
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ─────────────────────────────────────────
   Daily Routine
   ───────────────────────────────────────── */
.daily-routine {
    border-bottom: var(--border);
}

.daily-routine .item-list li {
    color: var(--sage);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.daily-routine .item-list li::before {
    color: var(--gold-primary);
}

/* ─────────────────────────────────────────
   Principles Grid
   ───────────────────────────────────────── */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border: var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--charcoal);
}

.principle-item {
    padding: 2.25rem 1.75rem;
    border-right: var(--border);
    background: transparent;
    transition: all var(--transition);
}

.principle-item:last-child {
    border-right: none;
}

.principle-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.principle-item h3 {
    font-size: 1.2rem;
    color: var(--white);
}

.principle-item p {
    color: var(--sage);
    font-size: 1rem;
}

/* ─────────────────────────────────────────
   Cards (Use Cases, Tools, etc.)
   ───────────────────────────────────────── */
.cases-grid, .tools-grid, .history-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-card, .tool-card, .history-card {
    background: var(--charcoal);
    border: var(--border);
    border-radius: var(--radius-card);
    padding: 2.25rem 2rem;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.case-card:hover, .tool-card:hover, .history-card:hover {
    transform: translateY(-4px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: var(--glow-gold);
    background: #111;
}

.case-card h3, .tool-card h4 {
    color: var(--white);
}

.case-card .text-muted, .tool-card .text-muted {
    color: var(--sage);
}

/* Item List */
.item-list li {
    position: relative;
    padding: 0.5rem 0 0.5rem 1.5rem;
    font-size: 1rem;
    color: var(--sage);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.item-list li:last-child {
    border-bottom: none;
}

.item-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
    font-size: 0.95rem;
    top: 0.55rem;
}

/* ─────────────────────────────────────────
   Benefits List Grid
   ───────────────────────────────────────── */
.value-list-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 3rem;
    list-style: none;
}

.value-list-grid li {
    padding: 0.875rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 0.875rem;
    color: var(--sage);
}

.value-list-grid li::before {
    content: '✓';
    color: var(--gold-primary);
    font-weight: 800;
    position: static;
}

/* ─────────────────────────────────────────
   Comparison Table
   ───────────────────────────────────────── */
.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: 3rem;
}

.comparison-table {
    width: 100%;
    margin: 0 auto;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table thead th {
    padding: 1rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.comparison-table thead th:first-child {
    background: #1a1a1a;
    color: var(--sage);
    text-align: left;
    width: 36%;
}

.comparison-table thead th.col-clt {
    background: #1c1010;
    color: #e57373;
    text-align: center;
    border-left: 1px solid #2a1a1a;
}

.comparison-table thead th.col-ia {
    background: #0f1a0f;
    color: var(--gold-primary);
    text-align: center;
    border-left: 1px solid #1a2a0a;
}

.comparison-table tbody tr {
    border-top: 1px solid var(--border-color);
}

.comparison-table tbody tr:nth-child(even) td:first-child {
    background: #141414;
}
.comparison-table tbody tr:nth-child(odd) td:first-child {
    background: #111111;
}
.comparison-table tbody tr:nth-child(even) td.col-clt {
    background: #160f0f;
}
.comparison-table tbody tr:nth-child(odd) td.col-clt {
    background: #130d0d;
}
.comparison-table tbody tr:nth-child(even) td.col-ia {
    background: #0d1510;
}
.comparison-table tbody tr:nth-child(odd) td.col-ia {
    background: #0b120d;
}

.comparison-table tbody td {
    padding: 0.875rem 1.5rem;
    font-size: 0.95rem;
    vertical-align: middle;
}

.comparison-table tbody td:first-child {
    color: var(--white);
    font-weight: 600;
    text-align: left;
    border-right: 1px solid var(--border-color);
}

.comparison-table tbody td.col-clt {
    color: #e57373;
    text-align: center;
    border-left: 1px solid #2a1a1a;
    border-right: 1px solid #2a1a1a;
}

.comparison-table tbody td.col-ia {
    color: #a3d977;
    text-align: center;
    border-left: 1px solid #1a2a0a;
}

.comparison-table tbody tr:last-child td:first-child {
    border-bottom-left-radius: var(--radius-card);
}
.comparison-table tbody tr:last-child td:last-child {
    border-bottom-right-radius: var(--radius-card);
}

.comparison-table .highlight-ia td.col-ia {
    color: var(--gold-primary);
    font-weight: 700;
}

@media (max-width: 640px) {
    .comparison-table thead th,
    .comparison-table tbody td {
        padding: 0.75rem 0.875rem;
        font-size: 0.85rem;
    }
}

/* ─────────────────────────────────────────
   Tool Cards
   ───────────────────────────────────────── */
.tool-icon {
    font-size: 1.75rem;
    line-height: 1;
    margin-bottom: 0.875rem;
}

/* ─────────────────────────────────────────
   History Icons
   ───────────────────────────────────────── */
.history-card-icon {
    width: 48px;
    height: 48px;
    color: var(--gold-primary);
    margin-bottom: 1rem;
}

.history-card-icon svg {
    width: 100%;
    height: 100%;
}

.history-subheading {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 700;
    color: var(--white);
    margin: 3rem 0 2.5rem;
}

.history-card-text {
    color: var(--sage);
    font-size: 1rem;
    line-height: 1.7;
}

/* ─────────────────────────────────────────
   Social Proof (Testimonials)
   ───────────────────────────────────────── */
.logos-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.logo-badge {
    padding: 0.5rem 1.25rem;
    background: var(--charcoal);
    border: var(--border);
    border-radius: var(--radius-btn);
    color: var(--sage);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.logo-badge:hover {
    border-color: var(--gold-primary);
    color: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    background: var(--charcoal);
    border: var(--border);
    border-radius: var(--radius-card);
    padding: 2rem;
    transition: all var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--dark-gray);
    border: 1px solid var(--gold-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
    font-weight: 800;
}

.testimonial-name {
    color: var(--white);
    margin: 0;
}

.testimonial-stars {
    color: var(--gold-primary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--sage);
    font-style: italic;
    font-size: 0.95rem;
}

/* ─────────────────────────────────────────
   Pricing Section
   ───────────────────────────────────────── */
.pricing-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--glow-gold);
    background: var(--charcoal);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-left {
    padding: 3.5rem;
    border-right: var(--border);
}

.pricing-title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: 0.75rem;
}

.pricing-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3.5rem;
    background: rgba(212, 175, 55, 0.05); /* very light gold tint */
}

.price-main {
    display: flex;
    align-items: flex-start;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 0.5rem;
    color: var(--gold-primary);
}

.price-value {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.price-installment {
    color: var(--sage);
    margin-bottom: 1.5rem;
}

/* ─────────────────────────────────────────
   Guarantee Badge (index-b.html)
   Remove this block if reverting to index.html
   ───────────────────────────────────────── */
.guarantee-badge {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    background: rgba(212, 175, 55, 0.06);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.5rem;
    text-align: left;
    width: 100%;
}

.guarantee-badge__icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.guarantee-badge__title {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.guarantee-badge__text {
    font-size: 0.8125rem;
    color: var(--sage);
    line-height: 1.5;
}
/* ─── End Guarantee Badge ─────────────── */

/* ─────────────────────────────────────────
   FAQ Section
   ───────────────────────────────────────── */
.faq-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 3rem;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    text-align: left;
    padding: 1.25rem 0;
}

.cross-icon {
    color: var(--gold-primary);
    font-size: 1.25rem;
    transition: transform var(--transition);
}

.faq-item.active .cross-icon,
.faq-question[aria-expanded="true"] .cross-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    color: var(--sage);
    padding-bottom: 1.25rem;
}

/* ─────────────────────────────────────────
   Author Section
   ───────────────────────────────────────── */
.author-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.author-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 5rem;
    align-items: center;
}

.author-avatar {
    width: 280px;
    height: 320px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--glow-gold);
}

.author-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-stats {
    display: flex;
    background: var(--charcoal);
    border: var(--border);
    border-radius: var(--radius-btn);
    margin-top: 2rem;
}

.stat-item {
    flex: 1;
    padding: 1.5rem;
    text-align: center;
    border-right: var(--border);
}
.stat-item:last-child { border-right: none; }

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--sage);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ─────────────────────────────────────────
   Footer
   ───────────────────────────────────────── */
.footer {
    background: #050505;
    padding: 3rem 0;
    border-top: var(--border);
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    display: block;
    margin-bottom: 0.5rem;
}

.footer p {
    color: var(--sage);
    font-size: 0.85rem;
    opacity: 0.6;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

/* ─────────────────────────────────────────
   Scroll Animations
   ───────────────────────────────────────── */
.fade-in-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.is-visible {
    opacity: 1 !important;
    transform: translate(0) !important;
}

.stagger-children > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

.stagger-children.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.is-visible > *:nth-child(2) { transition-delay: 0.10s; }
.stagger-children.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.is-visible > *:nth-child(4) { transition-delay: 0.20s; }
.stagger-children.is-visible > *:nth-child(5) { transition-delay: 0.25s; }

/* ─────────────────────────────────────────
   Responsive
   ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .principles-grid { grid-template-columns: repeat(3, 1fr); }
    .pricing-card { grid-template-columns: 1fr; }
    .pricing-left { border-right: none; border-bottom: var(--border); }
}

@media (max-width: 900px) {
    .section-padding { padding: 5rem 0; }
    .pt-large { padding-top: 8rem; }
    
    .cases-grid, .tools-grid, .history-cards-grid, .author-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .principles-grid { grid-template-columns: 1fr; }
    .principle-item { border-right: none; border-bottom: var(--border); }
    
    .faq-columns { grid-template-columns: 1fr; gap: 0; }
    .author-stats { flex-direction: column; }
    .stat-item { border-right: none; border-bottom: var(--border); }
    
    .hero-title { font-size: 2.25rem; }
    .value-list-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .pricing-left, .pricing-right { padding: 2rem 1.5rem; }
}