/* ===================================================================
   THE BRAIN SONG™ — Stylesheet
   Theme: Cerebral Violet — Deep indigo/violet neural aesthetic
   Fonts: Fraunces (display) + Outfit (body)
   Breakpoints: 576px · 768px · 1024px · 1440px
   =================================================================== */

/* ===== CSS VARIABLES ===== */
:root {
    --primary: #7c3aed;
    --primary-dark: #5b21b6;
    --primary-light: #a78bfa;
    --primary-glow: rgba(124, 58, 237, 0.25);
    --accent: #06b6d4;
    --accent-dark: #0891b2;
    --accent-light: #67e8f9;
    --bg-deep: #0a0a1a;
    --bg-dark: #0f0f23;
    --bg-card: #161630;
    --bg-card-hover: #1e1e40;
    --bg-surface: #1a1a3e;
    --text-primary: #f1f0ff;
    --text-secondary: #b8b5d4;
    --text-muted: #7c7a9c;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: rgba(124, 58, 237, 0.15);
    --border-strong: rgba(124, 58, 237, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.2);
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --section-py: clamp(4rem, 8vw, 7rem);
    --container-px: clamp(1rem, 4vw, 2rem);
    --container-max: 1200px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-deep);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color 0.3s var(--ease); }
a:hover { color: var(--accent-light); }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-px); }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); margin-bottom: 0.5rem; }
h1 em, h2 em { font-style: italic; color: var(--primary-light); }

/* ===== SECTION DEFAULTS ===== */
section { padding: var(--section-py) 0; position: relative; }
.section-intro { text-align: center; max-width: 780px; margin: 0 auto 3rem; }
.section-tag {
    display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--accent); background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2); padding: 0.35rem 1rem; border-radius: 100px; margin-bottom: 1rem;
}
.section-intro p { color: var(--text-secondary); font-size: 1.05rem; max-width: 640px; margin: 0.5rem auto 0; }

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; flex-direction: column; align-items: center; gap: 0.2rem;
    font-family: var(--font-body); font-weight: 600; font-size: 1.05rem;
    border: none; border-radius: 12px; cursor: pointer; transition: all 0.3s var(--ease); text-decoration: none; line-height: 1.3;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff;
    padding: 1rem 2rem; box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover { background: linear-gradient(135deg, #8b5cf6, var(--primary)); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5); color: #fff; }
.btn-primary small { font-size: 0.8rem; font-weight: 400; opacity: 0.85; }
.btn-lg { font-size: 1.15rem; padding: 1.2rem 2.5rem; }
.btn-pulse { animation: btnPulse 2.5s ease-in-out infinite; }
@keyframes btnPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4); }
    50% { box-shadow: 0 4px 40px rgba(124, 58, 237, 0.7), 0 0 60px rgba(124, 58, 237, 0.2); }
}

/* ===== HEADER / NAV ===== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(10, 10, 26, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border); transition: all 0.3s var(--ease);
}
.site-header.scrolled { background: rgba(10, 10, 26, 0.95); box-shadow: var(--shadow-md); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--text-primary); flex-shrink: 0; }
.logo-icon-img { width: 28px; height: 28px; border-radius: 4px; }
.logo-text { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; }
.logo-text sup { font-size: 0.6em; color: var(--primary-light); }
.nav-links { display: flex; list-style: none; gap: 1.5rem; }
.nav-links a { color: var(--text-secondary); font-size: 0.88rem; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
    font-size: 0.85rem; font-weight: 600; color: #fff !important; background: var(--primary);
    padding: 0.5rem 1.2rem; border-radius: 8px; transition: all 0.3s var(--ease); flex-shrink: 0;
}
.nav-cta:hover { background: var(--primary-dark); color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.hamburger span { width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s var(--ease); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== COUNTDOWN BAR ===== */
.countdown-bar {
    position: fixed; top: 70px; left: 0; right: 0; z-index: 999;
    background: linear-gradient(135deg, var(--primary-dark), #4c1d95); padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-strong);
}
.countdown-inner { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.countdown-text { font-size: 0.85rem; font-weight: 600; color: #fff; }
.countdown-timer { display: flex; align-items: center; gap: 0.3rem; }
.cd-block {
    display: flex; flex-direction: column; align-items: center;
    background: rgba(255,255,255,0.1); padding: 0.2rem 0.5rem; border-radius: 6px; min-width: 40px;
}
.cd-block span:first-child { font-size: 1.1rem; font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.cd-block small { font-size: 0.6rem; color: rgba(255,255,255,0.7); text-transform: uppercase; }
.cd-sep { color: rgba(255,255,255,0.5); font-weight: 700; }
.countdown-cta {
    font-size: 0.8rem; font-weight: 600; color: var(--primary-dark) !important;
    background: #fff; padding: 0.35rem 1rem; border-radius: 6px; transition: all 0.3s;
}
.countdown-cta:hover { background: var(--accent-light); color: var(--bg-deep) !important; }

/* ===== HERO ===== */
.hero { padding-top: calc(70px + 44px + var(--section-py)); padding-bottom: var(--section-py); background: var(--bg-deep); position: relative; overflow: hidden; }
.hero-bg-pattern {
    position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse 80% 60% at 20% 30%, rgba(124, 58, 237, 0.08), transparent),
                radial-gradient(ellipse 60% 50% at 80% 70%, rgba(6, 182, 212, 0.05), transparent);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 600;
    color: var(--success); background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 0.4rem 1rem; border-radius: 100px; margin-bottom: 1.5rem;
}
.hero h1 { margin-bottom: 1.2rem; }
.hero-sub { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 2rem; line-height: 1.8; }
.hero-sub a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.hero-stats { display: flex; gap: 2rem; margin-bottom: 2rem; padding: 1.2rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stat-item { text-align: center; }
.stat-num { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--primary-light); }
.stat-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-cta-group { display: flex; flex-direction: column; gap: 0.75rem; }
.hero-secure { font-size: 0.8rem; color: var(--text-muted); }

/* Hero Visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-image-wrap { position: relative; max-width: 440px; }
.hero-glow {
    position: absolute; inset: -20%; border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
    animation: heroGlow 4s ease-in-out infinite; pointer-events: none;
}
@keyframes heroGlow {
    0%, 100% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}
.hero-product-img {
    position: relative; z-index: 2; width: 100%; height: auto;
    filter: drop-shadow(0 20px 40px rgba(124, 58, 237, 0.3));
    animation: heroFloat 5s ease-in-out infinite;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.hero-product-badge {
    position: absolute; top: 5%; right: 0; z-index: 3;
    background: var(--primary); color: #fff; border-radius: 50%;
    width: 80px; height: 80px; display: flex; flex-direction: column;
    align-items: center; justify-content: center; box-shadow: var(--shadow-md);
    animation: badgeBounce 3s ease-in-out infinite;
}
.badge-price { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; }
.badge-orig { font-size: 0.65rem; opacity: 0.7; }
@keyframes badgeBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* Trust Bar */
.trust-bar { margin-top: 3rem; padding: 1rem 0; border-top: 1px solid var(--border); }
.trust-bar .container { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.trust-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.trust-logos { display: flex; gap: 0.6rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--text-secondary); opacity: 0.7; }
.trust-dot { opacity: 0.4; }

/* ===== SOCIAL PROOF / REVIEWS ===== */
.social-proof { background: var(--bg-dark); }
.reviews-counter { margin-top: 1rem; }
.rc-stars { font-size: 1.8rem; color: var(--warning); margin-bottom: 0.3rem; }
.rc-text { font-size: 1rem; color: var(--text-secondary); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.review-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; transition: all 0.3s var(--ease);
}
.review-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.review-header { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.review-avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--border-strong); }
.review-meta strong { display: block; font-size: 0.95rem; }
.review-meta span { font-size: 0.8rem; color: var(--text-muted); }
.review-stars { color: var(--warning); font-size: 0.85rem; }
.verified-badge {
    font-size: 0.7rem; font-weight: 600; color: var(--success);
    background: rgba(16, 185, 129, 0.1); padding: 0.2rem 0.6rem; border-radius: 100px; margin-left: auto; white-space: nowrap;
}
.review-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* ===== WHAT IS IT ===== */
.what-section { background: var(--bg-deep); }
.what-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3rem; align-items: center; }
.what-img-wrap {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid var(--border); border-radius: 20px; padding: 2rem;
    display: flex; align-items: center; justify-content: center;
}
.what-img-wrap img { max-width: 280px; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3)); }
.what-content p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.8; }
.what-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.what-highlights {
    display: flex; flex-direction: column; gap: 0.6rem; margin: 1.5rem 0;
    padding: 1.5rem; background: var(--bg-card); border-radius: 12px; border: 1px solid var(--border);
}
.wh-item { display: flex; align-items: center; gap: 0.6rem; font-size: 0.93rem; color: var(--text-secondary); }
.wh-check { color: var(--success); font-weight: 700; }

/* ===== PROBLEM SECTION ===== */
.problem-section { background: var(--bg-dark); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }
.problem-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; transition: all 0.3s var(--ease);
}
.problem-card:hover { background: var(--bg-card-hover); border-color: var(--border-strong); transform: translateY(-3px); }
.problem-icon { font-size: 2rem; margin-bottom: 1rem; }
.problem-card h3 { color: var(--danger); font-size: 1.1rem; margin-bottom: 0.75rem; }
.problem-card p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.7; }
.problem-card a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.problem-bottom { text-align: center; }
.highlight-text {
    font-size: 1.1rem; color: var(--text-primary); max-width: 700px; margin: 0 auto;
    padding: 1.5rem; background: rgba(124, 58, 237, 0.08); border: 1px solid var(--border-strong); border-radius: 12px;
}

/* ===== HOW IT WORKS ===== */
.how-section { background: var(--bg-deep); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2.5rem; }
.step-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2.5rem 2rem; text-align: center; position: relative; transition: all 0.3s var(--ease);
}
.step-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.step-num {
    position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
    width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem;
}
.step-icon-wrap { font-size: 2.5rem; margin: 0.5rem 0 1rem; }
.step-card h3 { font-size: 1.2rem; margin-bottom: 0.75rem; }
.step-card p { color: var(--text-secondary); font-size: 0.93rem; }
.how-cta { text-align: center; }

/* ===== SCIENCE ===== */
.science-section { background: var(--bg-dark); }
.science-deep { display: flex; flex-direction: column; gap: 2rem; }
.science-block {
    display: flex; gap: 2rem; background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 16px; padding: 2.5rem; transition: all 0.3s var(--ease);
}
.science-block:hover { border-color: var(--border-strong); }
.sb-number { font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--primary); opacity: 0.3; line-height: 1; flex-shrink: 0; }
.sb-content h3 { font-size: 1.3rem; margin-bottom: 1rem; color: var(--primary-light); }
.sb-content p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 0.75rem; }
.sb-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.citation-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.cite-item {
    display: flex; gap: 0.75rem; padding: 1rem;
    background: rgba(6, 182, 212, 0.05); border: 1px solid rgba(6, 182, 212, 0.1); border-radius: 10px;
}
.cite-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.cite-item p { font-size: 0.88rem; line-height: 1.6; margin: 0; }
.cite-item a { font-weight: 600; }

/* ===== BENEFITS ===== */
.benefits-section { background: var(--bg-deep); }
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.benefit-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; position: relative; transition: all 0.3s var(--ease);
}
.benefit-card:hover { border-color: var(--primary); background: var(--bg-card-hover); }
.benefit-card:last-child { grid-column: 1 / -1; max-width: 600px; margin: 0 auto; width: 100%; }
.benefit-num { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; color: var(--primary); opacity: 0.2; line-height: 1; margin-bottom: 0.5rem; }
.benefit-card h3 { color: var(--primary-light); margin-bottom: 0.75rem; }
.benefit-card p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.7; }

/* ===== WHO SECTION ===== */
.who-section { background: var(--bg-dark); }
.who-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.who-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; text-align: center; transition: all 0.3s var(--ease);
}
.who-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.who-emoji { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.who-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== CREATOR ===== */
.creator-section { background: var(--bg-deep); }
.creator-grid { display: grid; grid-template-columns: auto 1fr; gap: 2.5rem; align-items: start; max-width: 900px; margin: 0 auto; }
.creator-img-wrap {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid var(--border); border-radius: 16px; padding: 1rem; overflow: hidden;
}
.creator-img-wrap img { border-radius: 10px; max-width: 280px; }
.creator-info p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.creator-quote {
    margin-top: 1.5rem; padding: 1.5rem 2rem; border-left: 4px solid var(--primary);
    background: rgba(124, 58, 237, 0.06); border-radius: 0 12px 12px 0;
    font-style: italic; color: var(--text-secondary); line-height: 1.7;
}
.creator-quote cite { display: block; margin-top: 0.75rem; font-style: normal; font-weight: 600; color: var(--primary-light); font-size: 0.9rem; }

/* ===== BONUSES ===== */
.bonuses-section { background: var(--bg-dark); }
.bonuses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.bonus-card {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
    padding: 2rem; text-align: center; position: relative; transition: all 0.3s var(--ease);
}
.bonus-card:hover { border-color: var(--warning); transform: translateY(-3px); }
.bonus-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    font-size: 0.7rem; font-weight: 700; color: var(--bg-deep); background: var(--warning);
    padding: 0.25rem 1rem; border-radius: 100px; white-space: nowrap;
}
.bonus-img-wrap { margin: 1rem auto; max-width: 200px; }
.bonus-img-wrap img { border-radius: 8px; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3)); }
.bonus-card h3 { margin-bottom: 0.75rem; }
.bonus-card p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-bottom: 1rem; }
.bonus-value { display: inline-block; font-size: 0.8rem; color: var(--success); background: rgba(16, 185, 129, 0.1); padding: 0.3rem 0.8rem; border-radius: 100px; }
.bonuses-total { text-align: center; font-size: 1.1rem; color: var(--text-secondary); }
.bonuses-total strong { color: var(--success); }

/* ===== PRICING ===== */
.pricing-section { background: var(--bg-deep); }
.pricing-card {
    max-width: 900px; margin: 0 auto; background: var(--bg-card);
    border: 2px solid var(--primary); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-glow);
}
.pricing-header {
    text-align: center; padding: 2rem;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(6, 182, 212, 0.05));
    border-bottom: 1px solid var(--border);
}
.pricing-body { padding: 2.5rem; display: flex; gap: 2rem; align-items: center; flex-wrap: wrap; justify-content: center; }
.pricing-product { flex-shrink: 0; }
.pricing-img { max-width: 260px; filter: drop-shadow(0 10px 25px rgba(0,0,0,0.3)); border-radius: 8px; }
.pricing-details { text-align: center; flex: 1; min-width: 280px; }
.price-display { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.price-orig { font-size: 1.3rem; color: var(--text-muted); }
.price-current { font-family: var(--font-display); font-size: 3.5rem; font-weight: 800; color: var(--primary-light); }
.price-save { font-size: 0.85rem; font-weight: 700; color: var(--success); background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); padding: 0.3rem 0.8rem; border-radius: 100px; }
.pricing-includes {
    list-style: none; text-align: left; max-width: 400px; margin: 0 auto 1.5rem;
    display: flex; flex-direction: column; gap: 0.5rem;
}
.pricing-includes li { font-size: 0.93rem; color: var(--text-secondary); padding: 0.2rem 0; }
.pricing-details .btn { width: 100%; max-width: 380px; }
.pricing-trust { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1rem; flex-wrap: wrap; }
.pricing-trust span { font-size: 0.78rem; color: var(--text-muted); }

/* Guarantee */
.guarantee-box {
    margin: 0; padding: 2rem 2.5rem; display: flex; gap: 1.5rem; align-items: center;
    background: rgba(16, 185, 129, 0.05); border-top: 1px solid rgba(16, 185, 129, 0.15);
}
.guarantee-img-wrap { flex-shrink: 0; }
.guarantee-img-wrap img { max-width: 120px; }
.guarantee-content h3 { color: var(--success); margin-bottom: 0.75rem; }
.guarantee-content p { color: var(--text-secondary); font-size: 0.93rem; line-height: 1.7; }

/* ===== USAGE ===== */
.usage-section { background: var(--bg-dark); }
.usage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.usage-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; transition: all 0.3s var(--ease); }
.usage-item:hover { border-color: var(--border-strong); }
.usage-num { font-size: 1.8rem; color: var(--primary-light); display: block; margin-bottom: 0.75rem; }
.usage-item p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== CHECKOUT ===== */
.checkout-section { background: var(--bg-deep); padding: 3rem 0; }
.checkout-block {
    background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2.5rem;
}
.checkout-block h3 { margin-bottom: 1.5rem; text-align: center; }
.checkout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.checkout-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.checkout-img-wrap img { border-radius: 10px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-dark); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: border-color 0.3s; }
.faq-item.active { border-color: var(--primary); }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 1.2rem 1.5rem; background: none; border: none; color: var(--text-primary);
    font-family: var(--font-body); font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer;
}
.faq-question:hover { color: var(--primary-light); }
.faq-chevron { width: 20px; height: 20px; flex-shrink: 0; transition: transform 0.3s var(--ease); color: var(--text-muted); }
.faq-item.active .faq-chevron { transform: rotate(180deg); color: var(--primary-light); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer p { padding: 0 1.5rem 1.2rem; color: var(--text-secondary); font-size: 0.93rem; line-height: 1.8; }

/* ===== FINAL CTA ===== */
.final-cta {
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-surface));
    border-top: 1px solid var(--border-strong); border-bottom: 1px solid var(--border-strong);
}
.final-cta-content { text-align: center; max-width: 700px; margin: 0 auto; }
.final-product-img { margin: 0 auto 2rem; max-width: 280px; filter: drop-shadow(0 15px 30px rgba(124, 58, 237, 0.25)); }
.final-cta h2 { margin-bottom: 1rem; }
.final-cta p { color: var(--text-secondary); margin-bottom: 1.5rem; }
.final-price { display: flex; align-items: center; justify-content: center; gap: 1.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.fp-orig { color: var(--text-muted); font-size: 1.1rem; }
.fp-now { font-size: 1.3rem; color: var(--success); }
.fp-now strong { font-family: var(--font-display); font-size: 2rem; }
.final-guarantee { margin-top: 1rem; font-size: 0.9rem; color: var(--text-muted); }

/* ===== FOOTER ===== */
.site-footer { background: var(--bg-deep); padding: 3rem 0 2rem; border-top: 1px solid var(--border); }
.footer-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text-primary); }
.footer-disclaimer { padding: 1.5rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.footer-disclaimer p { color: var(--text-muted); font-size: 0.78rem; line-height: 1.7; margin-bottom: 0.75rem; }
.footer-bottom { padding-top: 1.5rem; text-align: center; }
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }
.footer-bottom a { color: var(--text-muted); }

/* ===== NOTIFICATION ===== */
.notification-popup {
    position: fixed; bottom: 20px; left: 20px; z-index: 900;
    display: flex; align-items: center; gap: 0.75rem;
    background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: 12px;
    padding: 0.75rem 1.2rem; box-shadow: var(--shadow-lg);
    transform: translateX(-120%); transition: transform 0.5s var(--ease-bounce); max-width: 320px;
}
.notification-popup.show { transform: translateX(0); }
.notif-icon { font-size: 1.5rem; }
.notif-content { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.4; }
.notif-content strong { color: var(--text-primary); }
.notif-time { font-size: 0.7rem; color: var(--text-muted); white-space: nowrap; }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed; bottom: 24px; right: 24px; z-index: 800;
    width: 44px; height: 44px; background: var(--primary); color: #fff;
    border: none; border-radius: 50%; font-size: 1.2rem; cursor: pointer;
    opacity: 0; visibility: hidden; transform: translateY(20px);
    transition: all 0.3s var(--ease); box-shadow: var(--shadow-md);
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ===== RESPONSIVE: 1024px ===== */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-stats { justify-content: center; }
    .hero-cta-group { align-items: center; }
    .hero-visual { order: -1; }
    .hero-image-wrap { max-width: 320px; }
    .what-grid { grid-template-columns: 1fr; }
    .what-visual { order: -1; text-align: center; }
    .what-img-wrap { max-width: 300px; margin: 0 auto; }
    .creator-grid { grid-template-columns: 1fr; }
    .creator-img-wrap { text-align: center; }
    .creator-img-wrap img { margin: 0 auto; }
    .problem-grid { grid-template-columns: 1fr 1fr; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .reviews-grid { grid-template-columns: 1fr 1fr; }
    .bonuses-grid { grid-template-columns: 1fr 1fr; }
    .usage-grid { grid-template-columns: repeat(2, 1fr); }
    .checkout-grid { grid-template-columns: 1fr; }
}

/* ===== RESPONSIVE: 768px ===== */
@media (max-width: 768px) {
    html { scroll-padding-top: 130px; }
    .nav-links { display: none; }
    .nav-cta { display: none; }
    .hamburger { display: flex; }
    .main-nav {
        display: none; position: absolute; top: 70px; left: 0; right: 0;
        background: var(--bg-dark); border-bottom: 1px solid var(--border); padding: 1rem;
    }
    .main-nav.open { display: block; }
    .main-nav.open .nav-links { display: flex; flex-direction: column; gap: 0; }
    .main-nav.open .nav-links li a { display: block; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); }
    .hero { padding-top: calc(70px + 44px + 2rem); }
    .problem-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .benefit-card:last-child { max-width: 100%; }
    .reviews-grid { grid-template-columns: 1fr; }
    .bonuses-grid { grid-template-columns: 1fr; }
    .usage-grid { grid-template-columns: 1fr; }
    .science-block { flex-direction: column; gap: 1rem; }
    .sb-number { font-size: 2rem; }
    .pricing-body { flex-direction: column; }
    .guarantee-box { flex-direction: column; align-items: center; text-align: center; }
    .countdown-text { display: none; }
}

/* ===== RESPONSIVE: 576px ===== */
@media (max-width: 576px) {
    .hero-stats { flex-direction: column; gap: 1rem; }
    .hero-image-wrap { max-width: 250px; }
    .hero-product-badge { width: 65px; height: 65px; }
    .badge-price { font-size: 1.1rem; }
    .price-current { font-size: 2.5rem; }
    .pricing-body { padding: 1.5rem; }
    .who-grid { grid-template-columns: 1fr; }
    .trust-bar .container { flex-direction: column; text-align: center; }
    .notification-popup { left: 10px; right: 10px; max-width: none; }
    .countdown-cta { display: none; }
    .final-product-img { max-width: 200px; }
}