:root {
    --bg-base: #f8f9fa;
    --bg-surface: #ffffff;
    --text-main: #2e3335;
    --text-muted: #767c7e;
    --text-dark: #0f172a;
    
    /* Ethereal Aura Colors */
    --primary: #6366F1;     /* Indigo */
    --secondary: #A855F7;   /* Violet */
    --tertiary: #FFB2A6;    /* Peach */
    
    --font-family: 'Inter', sans-serif;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

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

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* Premium gradient highlight */
mark {
    background: linear-gradient(120deg, rgba(255, 178, 166, 0.5) 0%, rgba(168, 85, 247, 0.2) 100%);
    color: var(--text-dark);
    padding: 2px 8px;
    border-radius: 6px;
    font-weight: 600;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    color: var(--text-dark);
    letter-spacing: -0.03em;
    font-weight: 800;
}

/* Buttons */
.btn {
    display: inline-block;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-full);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #FFF;
    padding: 16px 36px;
    font-size: 1.1rem;
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.25);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    z-index: -1;
    transition: opacity 0.4s ease;
    opacity: 0;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-large {
    padding: 20px 48px;
    font-size: 1.25rem;
}

/* Section Common */
section, header {
    padding: 100px 0;
}

.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.15;
}

.left-align {
    text-align: left;
}

/* Header / Hero */
.section-hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 140px;
    padding-bottom: 60px;
    position: relative;
    /* The Intelligence Mesh / Apple Glow */
    background: 
        radial-gradient(circle at 15% 40%, rgba(99, 102, 241, 0.15), transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(168, 85, 247, 0.12), transparent 40%),
        radial-gradient(circle at 50% 100%, rgba(255, 178, 166, 0.15), transparent 60%);
    background-color: var(--bg-base);
}

.hero-content {
    max-width: 850px;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    margin-bottom: 30px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.08);
}

.section-hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 30px;
    /* Subtle gradient for main text */
    background: linear-gradient(135deg, var(--text-dark) 40%, #4a5568);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.35rem;
    color: var(--text-muted);
    margin-bottom: 45px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.microcopy {
    display: block;
    margin-top: 16px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Glassmorphism utility */
.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.04);
    border-radius: var(--radius-lg);
}

/* Problem Section */
.section-problem {
    position: relative;
    z-index: 2;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.pain-list {
    list-style: none;
}

.pain-list li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 24px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pain-list li:hover {
    transform: translateY(-4px);
    box-shadow: 0 30px 50px rgba(99, 102, 241, 0.08);
}

.pain-list .icon {
    font-size: 1.8rem;
    margin-right: 20px;
    line-height: 1;
    background: rgba(255,255,255,0.8);
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.pain-list p {
    font-size: 1.1rem;
    font-weight: 500;
    padding-top: 5px;
}

.nodding-box {
    margin-top: 40px;
    padding: 24px 30px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.5));
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

/* Solution Section */
.section-solution {
    position: relative;
}

.section-solution::before {
    content: '';
    position: absolute;
    top: -50px; left: 0; right: 0; bottom: -50px;
    background: radial-gradient(circle at 90% 50%, rgba(168, 85, 247, 0.08), transparent 50%),
                radial-gradient(circle at 10% 50%, rgba(99, 102, 241, 0.08), transparent 50%);
    z-index: -1;
}

.author-block {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
}

.author-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    margin-right: 24px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border: 3px solid #FFF;
    flex-shrink: 0;
}

.author-info h3 {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.author-info p {
    font-size: 1rem;
    color: var(--text-muted);
}

.solution-desc {
    font-size: 1.25rem;
    margin-bottom: 50px;
    max-width: 800px;
    color: var(--text-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.feature-card {
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    display: inline-block;
    padding: 16px;
    background: rgba(255,255,255,0.8);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(99,102,241,0.06);
}

.feature-card h4 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.dev-notice {
    padding: 30px;
    text-align: center;
    font-style: italic;
}

/* Bonuses */
.section-bonuses {
    padding-top: 60px;
}

.bonuses-box {
    max-width: 850px;
    margin: 0 auto;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.bonuses-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.8);
}

.bonuses-box h2 {
    margin-bottom: 40px;
    font-size: 2.2rem;
}

.bonus-list {
    margin-bottom: 45px;
    padding-left: 24px;
}

.bonus-list li {
    font-size: 1.2rem;
    margin-bottom: 24px;
    color: var(--text-main);
}

.bonus-list li strong {
    display: block;
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.urgency-banner {
    display: flex;
    align-items: center;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    padding: 24px;
    border-radius: var(--radius-md);
}

.pulse-dot {
    width: 14px;
    height: 14px;
    background-color: var(--primary);
    border-radius: 50%;
    margin-right: 20px;
    flex-shrink: 0;
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5);
    animation: pulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 12px rgba(99, 102, 241, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* CTA Section */
.section-cta {
    position: relative;
    padding: 120px 0;
    margin-top: 60px;
    background: linear-gradient(180deg, var(--bg-base) 0%, rgba(99,102,241,0.05) 100%);
}

.final-text {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 50px;
}

.privacy-note {
    margin-top: 30px;
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    font-size: 0.95rem;
    color: var(--text-muted);
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Modal is mostly untouched but restyled to fit glassmorphism */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0; top: 0; width: 100%; height: 100%; 
    background-color: rgba(15, 23, 42, 0.5); 
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-surface);
    margin: 2vh auto;
    padding: 0;
    width: 90%; 
    max-width: 800px;
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.2);
    transform: translateY(30px) scale(0.98);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 96vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal.show .modal-content {
    transform: translateY(0) scale(1);
}

.iframe-container {
    flex-grow: 1;
    overflow-y: auto;
    background: #fff;
}

.close-modal {
    color: var(--text-muted);
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 32px;
    font-weight: 300;
    cursor: pointer;
    z-index: 1001;
    background: rgba(255,255,255,0.9);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.close-modal:hover {
    color: var(--text-dark);
    transform: scale(1.1);
}

/* Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: none;
}

/* Responsive */
@media (max-width: 992px) {
    .section-hero h1 { font-size: 3.2rem; }
    .problem-grid { gap: 40px; }
    .bonuses-box { padding: 40px; }
}

@media (max-width: 768px) {
    /* Global layout */
    section, header { padding: 60px 0; }
    .section-title { font-size: 2rem; margin-bottom: 40px; }
    .container { padding: 0 20px; }

    /* Hero */
    .section-hero { padding-top: 100px; padding-bottom: 40px; min-height: 70vh; }
    .section-hero h1 { font-size: 2.2rem; margin-bottom: 20px; }
    .badge { font-size: 0.85rem; padding: 6px 14px; margin-bottom: 24px; text-align: left; }
    .subtitle { font-size: 1.1rem; margin-bottom: 30px; }
    
    /* Problem */
    .problem-grid {
        display: flex;
        flex-direction: column-reverse;
        gap: 30px;
    }
    .pain-list li { padding: 16px; margin-bottom: 16px; }
    .pain-list p { font-size: 0.95rem; }
    .pain-list .icon { font-size: 1.5rem; margin-right: 16px; padding: 8px; }
    .nodding-box { padding: 20px; margin-top: 30px; font-size: 0.95rem; }
    
    /* Solution */
    .features-grid { grid-template-columns: 1fr; gap: 20px; margin-bottom: 30px; }
    .feature-card { padding: 24px 20px; }
    .feature-icon { font-size: 2.5rem; margin-bottom: 16px; padding: 12px; }
    .feature-card h4 { font-size: 1.25rem; }
    .author-block { flex-direction: column; text-align: center; margin-bottom: 30px; }
    .author-photo { margin-right: 0; margin-bottom: 16px; width: 120px; height: 120px; }
    .solution-desc { font-size: 1.05rem; margin-bottom: 30px; }

    /* Bonuses */
    .section-bonuses { padding-top: 20px; padding-bottom: 20px; }
    .bonuses-box { padding: 30px 20px; }
    .bonuses-box h2 { font-size: 1.6rem; margin-bottom: 30px; }
    .bonus-list li { font-size: 1rem; margin-bottom: 20px; }
    .bonus-list li strong { font-size: 1.1rem; margin-bottom: 4px; }
    .urgency-banner { flex-direction: column; text-align: center; gap: 16px; padding: 20px; }
    .pulse-dot { margin-right: 0; }
    
    /* CTA */
    .section-cta { padding: 50px 0; margin-top: 20px; }
    .final-text { font-size: 1.1rem; margin-bottom: 35px; }
    .btn-large { width: 100%; padding: 18px 20px; font-size: 1.1rem; }
    .privacy-note { font-size: 0.85rem; }

    .modal-content { margin: 5% auto; width: 95%; height: 90vh; }
}