/* ============================================
   ONE PRODUCT SHOP — STYLE SYSTEM
   Based on: Marketing Agent + Product Agent + Guide 09 + Guide 35
   Font: Inter (Google Fonts) — universal modern sans-serif
   Colors: Dark text + Electric CTA (conversion optimized)
   ============================================ */

/* --- CSS VARIABLES --- */
:root {
    /* Colors — DARK THEME */
    --primary: #0f0f1a;        /* Deep dark — base */
    --primary-light: #1a1a2e;
    --accent: #e94560;         /* Coral red — CTA, urgency */
    --accent-hover: #d63851;
    --accent-light: rgba(233,69,96,0.12);
    --success: #27ae60;        /* Green — trust, verified */
    --warning: #f39c12;        /* Gold — badges, stars */
    --text: #ffffff;
    --text-secondary: rgba(255,255,255,0.6);
    --text-light: rgba(255,255,255,0.35);
    --bg: #0f0f1a;
    --bg-alt: #16213e;
    --bg-card: #1e2a45;
    --bg-dark: #0a0a12;
    --border: rgba(255,255,255,0.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --shadow-accent: 0 4px 20px rgba(233,69,96,0.4);

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

    /* Spacing */
    --section-pad: 80px;
    --container: 1200px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul { list-style: none; }

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

/* --- ANNOUNCEMENT BAR --- */
.announcement-bar {
    background: var(--primary);
    color: #fff;
    text-align: center;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1001;
}

.announcement-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
    margin-right: 6px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

/* --- NAVBAR --- */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(15,15,26,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -1px;
    color: #ffffff;
}

.logo-dot {
    color: var(--accent);
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--accent);
    color: #fff;
    padding: 10px 24px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
    border-top: 1px solid var(--border);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
}

.mobile-menu-cta {
    background: var(--accent);
    color: #fff !important;
    text-align: center;
    padding: 14px;
    border-radius: var(--radius-md);
    font-weight: 600;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
    line-height: 1.3;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: 20px 48px;
    font-size: 20px;
    border-radius: var(--radius-lg);
    width: 100%;
}

.btn-block { width: 100%; }

.btn-subtext {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.85;
    margin-top: 4px;
}

/* --- HERO --- */
.hero {
    padding: 60px 0 80px;
    background: linear-gradient(180deg, #16213e 0%, #0f0f1a 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(233,69,96,0.3);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, #a855f7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 36px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

.hero-payment-icons {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-image {
    position: relative;
}

.hero-img-placeholder {
    background: linear-gradient(135deg, #1e2a45 0%, #16213e 100%);
    border-radius: var(--radius-xl);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 14px;
    text-align: center;
    border: 2px dashed var(--border);
}

.placeholder-icon {
    font-size: 64px;
    margin-bottom: 12px;
}

.hero-product-img {
    width: 100%;
    border-radius: var(--radius-xl);
    object-fit: cover;
}

.buy-product-img {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-sm) - 2px);
}

.floating-badge {
    position: absolute;
    background: #1e2a45;
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

.badge-top {
    top: 20px;
    right: -10px;
    color: var(--success);
}

.badge-bottom {
    bottom: 40px;
    left: -10px;
    color: var(--warning);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* --- TRUST BAR --- */
.trust-bar {
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.trust-text strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
}

.trust-text span {
    font-size: 12px;
    color: var(--text-light);
}

/* --- SECTION HEADERS --- */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(233,69,96,0.25);
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* --- PROBLEM → SOLUTION --- */
.problem-solution {
    padding: var(--section-pad) 0;
    background: var(--bg-alt);
}

.ps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    align-items: stretch;
}

.ps-card {
    background: #1e2a45;
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border);
}

.ps-card.problem {
    border-color: rgba(231,76,60,0.3);
}

.ps-card.solution {
    border-color: rgba(39,174,96,0.3);
    box-shadow: var(--shadow-md);
}

.ps-label {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.ps-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

.ps-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    font-size: 15px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

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

.problem .ps-list li::before {
    content: '✕';
    position: absolute;
    left: 0;
    color: #e74c3c;
    font-weight: 700;
}

.solution .ps-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.ps-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent);
}

/* --- FEATURES --- */
.features {
    padding: var(--section-pad) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: #1e2a45;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 32px rgba(233,69,96,0.15);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- REVIEWS --- */
.reviews {
    padding: var(--section-pad) 0;
    background: var(--bg-alt);
}

.reviews-summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.stars-big {
    color: var(--warning);
    font-size: 24px;
    letter-spacing: 2px;
}

.stars-small {
    color: var(--warning);
    font-size: 16px;
    letter-spacing: 1px;
}

.reviews-summary span {
    font-size: 14px;
    color: var(--text-secondary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: #1e2a45;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.review-stars {
    color: var(--warning);
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.review-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.review-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid rgba(233,69,96,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.review-author strong {
    display: block;
    font-size: 14px;
}

.verified {
    font-size: 12px;
    color: var(--success);
}

/* --- COMPARISON TABLE --- */
.comparison {
    padding: var(--section-pad) 0;
}

.comparison-table-wrap {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.comparison-table th {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #16213e;
}

.highlight-col {
    background: rgba(233,69,96,0.08) !important;
    font-weight: 600;
}

.comparison-table thead .highlight-col {
    color: var(--accent);
    background: rgba(233,69,96,0.15) !important;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* --- BUY SECTION --- */
.buy-section {
    padding: var(--section-pad) 0;
    background: var(--bg-alt);
}

.buy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.buy-main-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.buy-main-img .hero-img-placeholder {
    aspect-ratio: 1;
}

.buy-thumbs {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.thumb {
    width: 64px;
    height: 64px;
    background: var(--bg-alt);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.thumb.active, .thumb:hover {
    border-color: var(--accent);
}

.buy-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.buy-info h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
}

.buy-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.price-current {
    font-size: 36px;
    font-weight: 900;
    color: var(--text);
}

.price-old {
    font-size: 20px;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-badge {
    background: var(--accent);
    color: #fff;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
}

.buy-urgency {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(243,156,18,0.1);
    border: 1px solid rgba(243,156,18,0.2);
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 24px;
}

/* Options */
.buy-options {
    margin-bottom: 24px;
}

.option-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.quantity-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--bg-alt);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font);
}

.qty-btn:hover {
    background: var(--border);
}

.qty-input {
    width: 52px;
    height: 44px;
    border: none;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font);
    -moz-appearance: textfield;
}

.qty-input::-webkit-inner-spin-button,
.qty-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.bundle-hint {
    margin-top: 8px;
    font-size: 13px;
    color: var(--success);
}

.buy-btn {
    margin-bottom: 16px;
}

.buy-trust {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}

.buy-trust-item {
    font-size: 12px;
    color: var(--text-secondary);
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.pay-icon {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* --- VIDEO SECTION --- */
.video-section {
    padding: var(--section-pad) 0;
    background: var(--bg-alt);
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: #000;
}

.video-wrapper video {
    width: 100%;
    display: block;
}

/* --- HERO SPECS (quick specs bar in hero) --- */
.hero-specs {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    padding: 20px 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.hero-spec {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.spec-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.spec-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* --- TECH SPECS SECTION --- */
.tech-specs {
    padding: var(--section-pad) 0;
    background: var(--bg-dark);
    color: #fff;
}

.tech-specs .section-tag {
    background: rgba(233,69,96,0.15);
}

.tech-specs .section-header h2 {
    color: #fff;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.spec-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.spec-card-header {
    background: rgba(255,255,255,0.08);
    padding: 14px 24px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table tr {
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table td {
    padding: 12px 24px;
    font-size: 14px;
}

.spec-table td:first-child {
    color: rgba(255,255,255,0.5);
    width: 40%;
}

.spec-table td:last-child {
    color: #fff;
    font-weight: 500;
}

.spec-table strong {
    color: var(--accent);
}

/* --- SETUP STEPS --- */
.setup-steps {
    padding: var(--section-pad) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    text-align: center;
    padding: 32px 20px;
    position: relative;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    margin: 0 auto 16px;
    font-family: 'JetBrains Mono', monospace;
}

.step-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- COMPATIBILITY CHECKER --- */
.compatibility {
    padding: var(--section-pad) 0;
    background: var(--bg-alt);
}

.compat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.compat-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #1e2a45;
}

.compat-header {
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 700;
}

.compat-yes .compat-header {
    background: rgba(39,174,96,0.15);
    color: #4ade80;
    border-bottom: 1px solid rgba(39,174,96,0.2);
}

.compat-no .compat-header {
    background: rgba(243,156,18,0.15);
    color: #fbbf24;
    border-bottom: 1px solid rgba(243,156,18,0.2);
}

.compat-body {
    padding: 24px;
}

.compat-rule {
    font-size: 15px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.compat-brands {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.compat-brands span {
    padding: 4px 12px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.compat-phones {
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.compat-phones p {
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.compat-list {
    list-style: none;
    padding: 0;
}

.compat-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

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

.compat-check {
    margin-top: 16px;
    padding: 14px;
    background: rgba(233,69,96,0.08);
    border: 1px solid rgba(233,69,96,0.15);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- BUY SPECS QUICK --- */
.buy-specs-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.buy-specs-quick span {
    padding: 4px 12px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}

/* --- IN THE BOX --- */
.in-the-box {
    margin-top: 16px;
    padding: 14px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.in-the-box strong {
    color: var(--text);
}

.in-the-box span {
    color: var(--text-secondary);
}

/* --- FAQ --- */
.faq {
    padding: var(--section-pad) 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--accent);
}

.faq-toggle {
    font-size: 24px;
    font-weight: 300;
    color: var(--accent);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

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

.faq-answer p {
    padding: 0 0 20px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- FINAL CTA --- */
.final-cta {
    padding: var(--section-pad) 0;
    background: var(--bg-dark);
    color: #fff;
    text-align: center;
}

.final-cta h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 12px;
}

.final-cta p {
    font-size: 18px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 32px;
}

/* --- FOOTER --- */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

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

.footer-col h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    padding: 4px 0;
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.footer-social a:hover {
    background: var(--accent);
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 13px;
}

.footer-payment {
    display: flex;
    gap: 12px;
}

.footer-payment span {
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
}

/* --- STICKY MOBILE CTA --- */
.sticky-mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    z-index: 999;
}

.sticky-mobile-cta .btn {
    font-size: 16px;
    padding: 16px;
    border-radius: var(--radius-md);
}

.sticky-mobile-cta .btn span {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
    margin-left: 8px;
}

/* ============================================
   RESPONSIVE — Mobile First (72.9% mobile traffic)
   ============================================ */

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-content { text-align: center; }
    .hero-subtitle { margin: 0 auto 32px; }
    .hero-stats { justify-content: center; }
    .hero-specs { justify-content: center; }
    .hero-cta-group { align-items: center; }
    .hero-image { max-width: 480px; margin: 0 auto; }

    .ps-grid { grid-template-columns: 1fr; }
    .ps-arrow { transform: rotate(90deg); }

    .specs-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .compat-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }

    .buy-grid { grid-template-columns: 1fr; gap: 40px; }

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

@media (max-width: 768px) {
    :root {
        --section-pad: 60px;
    }

    .nav-links, .nav-cta { display: none; }
    .mobile-menu-btn { display: flex; }

    .trust-items {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .features-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .hero-specs { flex-wrap: wrap; gap: 16px; }

    .hero-stats { gap: 20px; }
    .stat-number { font-size: 20px; }

    .buy-info h2 { font-size: 24px; }
    .price-current { font-size: 28px; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* Show sticky mobile CTA */
    .sticky-mobile-cta { display: block; }
    body { padding-bottom: 80px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { letter-spacing: -1px; }
    .hero-stats { flex-direction: column; gap: 12px; align-items: center; }
    .hero-specs { flex-direction: column; gap: 12px; align-items: center; }
    .steps-grid { grid-template-columns: 1fr; }
    .trust-items { grid-template-columns: 1fr; }
    .buy-trust { flex-direction: column; align-items: center; gap: 8px; }
    .comparison-table th, .comparison-table td { padding: 12px 16px; font-size: 13px; }
}

/* --- ANIMATIONS (scroll reveal) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}