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

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #EEF2FF;
    --accent: #DC2626;
    --text: #111827;
    --text-light: #6B7280;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-dark: #0F172A;
    --border: #E2E8F0;
    --gold: #F59E0B;
    --radius: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--primary);
}

.header-cta {
    background: var(--primary);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transition: all 0.25s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.125rem;
}

/* ===== Badge ===== */
.badge {
    display: inline-block;
    background: #FEF3C7;
    color: #92400E;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.01em;
}

/* ===== Hero ===== */
.hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
    color: var(--text);
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
    align-items: center;
}

.hero h1 {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.highlight {
    color: var(--primary);
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 28px;
    max-width: 480px;
    line-height: 1.7;
}

.hero-price {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.hero .price-old {
    font-size: 1.125rem;
    color: #64748B;
    text-decoration: line-through;
}

.hero .price-now {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
}

.hero .price-save {
    background: rgba(239, 68, 68, 0.15);
    color: #FCA5A5;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
}

.hero-micro-proof {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--gold);
    font-weight: 600;
}

.trust-row {
    display: flex;
    gap: 20px;
    margin-top: 12px;
    font-size: 0.8125rem;
    color: var(--text-light);
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

/* ===== Social Proof Bar ===== */
.social-proof-bar {
    padding: 28px 0;
    background: var(--primary);
    color: white;
}

.proof-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.proof-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2px;
}

.proof-stat span {
    font-size: 0.8125rem;
    opacity: 0.85;
    font-weight: 500;
}

/* ===== Section Headings ===== */
.problem h2,
.benefits h2,
.gallery h2,
.how-it-works h2,
.testimonials h2,
.faq h2 {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

/* ===== Problem Section ===== */
.problem {
    padding: 80px 0;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.problem-card {
    background: #FFF7ED;
    border: 1px solid #FED7AA;
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: transform 0.2s;
}

.problem-card:hover {
    transform: translateY(-4px);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.problem-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.problem-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.solution-intro {
    text-align: center;
    background: var(--primary-light);
    border: 1px solid #C7D2FE;
    border-radius: var(--radius);
    padding: 28px 32px;
}

.solution-text {
    font-size: 1.125rem;
    color: var(--text);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Benefits ===== */
.benefits {
    padding: 80px 0;
    background: var(--bg-alt);
}

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

.benefit-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.25s;
}

.benefit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #C7D2FE;
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.benefit-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== Gallery ===== */
.gallery {
    padding: 80px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.gallery-grid img {
    border-radius: var(--radius);
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

.gallery-grid img:hover {
    transform: scale(1.02);
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 80px 0;
    background: var(--bg-alt);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    background: var(--bg-dark);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.step p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ===== Testimonials ===== */
.testimonials {
    padding: 80px 0;
}

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

.testimonial {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.testimonial:hover {
    transform: translateY(-4px);
}

.stars {
    color: var(--gold);
    font-size: 1.125rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.testimonial p {
    font-size: 0.9375rem;
    color: var(--text);
    margin-bottom: 16px;
    font-style: italic;
    line-height: 1.7;
}

.author {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-light);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 50%, #F0F9FF 100%);
}

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

.cta-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.cta-content h2 {
    text-align: left;
    font-size: 2rem;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.cta-desc {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 24px;
}

.cta-features {
    list-style: none;
    margin-bottom: 24px;
}

.cta-features li {
    padding: 6px 0;
    font-size: 0.9375rem;
    color: var(--text);
}

.cta-price {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
}

.price-old {
    font-size: 1.125rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-now {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary);
}

.countdown-wrap {
    margin-bottom: 20px;
    font-size: 0.9375rem;
    color: var(--text);
}

.countdown-wrap strong {
    color: var(--accent);
    font-size: 1.125rem;
}

.cta-guarantee {
    margin-top: 14px;
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 500;
}

.payment-icons {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.8125rem;
    color: var(--text-light);
}

/* ===== FAQ ===== */
.faq {
    padding: 80px 0;
    background: var(--bg-alt);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--radius);
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item[open] {
    border-color: #C7D2FE;
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    background: var(--bg-dark);
    color: #94A3B8;
}

.footer-inner {
    text-align: center;
}

.footer .logo {
    display: inline-block;
    margin-bottom: 16px;
    color: white;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: #94A3B8;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

.footer-copy {
    font-size: 0.8125rem;
    color: #64748B;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: #64748B;
    margin-top: 12px;
    opacity: 0.7;
}

/* ===== Sticky Bar (mobile) ===== */
.sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    z-index: 100;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.1);
}

.sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1120px;
    margin: 0 auto;
}

.sticky-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.sticky-old {
    font-size: 0.875rem;
    color: var(--text-light);
    text-decoration: line-through;
    margin-left: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 50px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-sub {
        margin: 0 auto 24px;
    }

    .hero-price {
        justify-content: center;
    }

    .trust-row {
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-image {
        order: -1;
        max-width: 360px;
        margin: 0 auto;
    }

    .proof-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .problem-grid,
    .benefits-grid,
    .steps,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

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

    .cta-content h2 {
        text-align: center;
    }

    .cta-content {
        text-align: center;
    }

    .cta-price {
        justify-content: center;
    }

    .sticky-bar {
        display: block;
    }

    .footer {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }

    .hero .price-now {
        font-size: 1.875rem;
    }

    .btn-lg {
        padding: 16px 28px;
        font-size: 1rem;
        width: 100%;
    }

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

    .proof-stat strong {
        font-size: 1.25rem;
    }
}