/* Agent Zero Landing Page - Modern & Conversion Focused */

:root {
    --primary: #DC2626;
    --primary-light: #EF4444;
    --accent: #2563EB;
    --accent-light: #3B82F6;
    --bg: #0A0A0A;
    --bg-card: #141414;
    --bg-elevated: #1A1A1A;
    --text: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --border: #2A2A2A;
    --success: #22C55E;
    --gradient: linear-gradient(135deg, #DC2626, #EF4444, #DC2626);
    --gradient-accent: linear-gradient(135deg, #2563EB, #3B82F6, #2563EB);
    --font: 'Inter', -apple-system, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; }
h3 { font-size: 1rem; font-weight: 600; }
p { color: var(--text-secondary); }
.highlight { color: var(--primary); }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10,10,10,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text);
}

.logo-subtitle {
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

/* Hero */
.hero {
    padding: 120px 0 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, rgba(37,99,235,0.08) 0%, transparent 60%);
    pointer-events: none;
}

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

.hero-content { position: relative; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    margin-bottom: 20px;
}

.badge .value {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.hero h1 { margin-bottom: 16px; }

.tagline {
    font-size: 1.15rem;
    margin-bottom: 24px;
    max-width: 440px;
}

.quick-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 28px;
}

.stat {
    text-align: center;
}

.stat .num {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
}

.stat .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hero-form {
    display: flex;
    gap: 10px;
    max-width: 400px;
}

.hero-form input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: var(--font);
}

.hero-form input::placeholder { color: var(--text-muted); }
.hero-form input:focus { outline: none; border-color: var(--primary); }

.hero-form button {
    background: var(--gradient);
    color: var(--bg);
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hero-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(37,99,235,0.3);
}

.form-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 10px;
}

.hero-book {
    position: relative;
    width: 260px;
}

.hero-book img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5), 0 0 60px rgba(201,162,39,0.1);
}

.hero-book .glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Problems */
.problems {
    padding: 70px 0;
    background: var(--bg-card);
    text-align: center;
}

.problems h2 {
    max-width: 500px;
    margin: 0 auto 40px;
}

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

.problem {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: transform 0.2s, border-color 0.2s;
}

.problem:hover {
    transform: translateY(-4px);
    border-color: rgba(37,99,235,0.3);
}

.problem .icon { font-size: 2rem; margin-bottom: 12px; display: block; }
.problem h3 { margin-bottom: 6px; }
.problem p { font-size: 0.9rem; }

/* Solution */
.solution {
    padding: 70px 0;
}

.solution .tag {
    display: inline-block;
    background: rgba(37,99,235,0.15);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.solution h2 { margin-bottom: 36px; }

.solution-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

.solution-text p { font-size: 1rem; margin-bottom: 16px; line-height: 1.7; }
.solution-text strong { color: var(--text); }

.results-box {
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.05));
    border: 1px solid rgba(37,99,235,0.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
}

.results-box h4 { color: var(--accent); margin-bottom: 12px; }
.results-box ul { list-style: none; }
.results-box li { padding: 6px 0; color: var(--text-secondary); }
.results-box strong { color: var(--accent); }

.features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.feature {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    gap: 14px;
    transition: transform 0.2s, border-color 0.2s;
}

.feature:hover {
    transform: translateY(-3px);
    border-color: rgba(37,99,235,0.3);
}

.feature span { font-size: 1.8rem; }
.feature h4 { font-size: 0.9rem; margin-bottom: 2px; }
.feature p { font-size: 0.8rem; color: var(--text-muted); }

/* What's Inside */
.inside {
    padding: 70px 0;
    background: var(--bg-card);
    text-align: center;
}

.inside .tag {
    display: inline-block;
    background: rgba(37,99,235,0.15);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.inside h2 { margin-bottom: 36px; }

.chapters {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    text-align: left;
}

.chapter {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px;
    position: relative;
    transition: transform 0.2s, border-color 0.2s;
}

.chapter:hover {
    transform: translateY(-3px);
    border-color: rgba(37,99,235,0.3);
}

.chapter span {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 2rem;
    font-weight: 900;
    color: var(--border);
}

.chapter h3 { margin-bottom: 4px; font-size: 0.95rem; }
.chapter p { font-size: 0.85rem; }

/* Audience */
.audience {
    padding: 70px 0;
    text-align: center;
}

.audience h2 { margin-bottom: 32px; }

.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    max-width: 700px;
    margin: 0 auto;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: left;
    transition: transform 0.2s, border-color 0.2s;
}

.check-item:hover {
    transform: translateY(-2px);
    border-color: rgba(37,99,235,0.3);
}

.check {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34,197,94,0.15);
    color: var(--success);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
}

.check-item p { font-size: 0.95rem; }
.check-item strong { color: var(--text); }

/* Proof */
.proof {
    padding: 50px 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.proof-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.proof-stat { text-align: center; }
.proof-stat .num { display: block; font-size: 1.8rem; font-weight: 800; color: var(--accent); }
.proof-stat .label { font-size: 0.8rem; color: var(--text-muted); }

/* CTA */
.cta {
    padding: 80px 0;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(37,99,235,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.cta-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
    position: relative;
}

.cta-tag {
    display: inline-block;
    background: var(--gradient);
    color: var(--bg);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.cta-content h2 { margin-bottom: 8px; }
.cta-content > p { margin-bottom: 24px; }

.cta-form { max-width: 420px; }

.form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.cta-form input {
    flex: 1;
    padding: 14px 16px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: var(--font);
}

.cta-form input::placeholder { color: var(--text-muted); }
.cta-form input:focus { outline: none; border-color: var(--primary); }

.cta-form button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--gradient);
    color: var(--bg);
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(37,99,235,0.3);
}

.trust {
    display: flex;
    gap: 20px;
    margin-top: 14px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cta-book { width: 180px; }
.cta-book img { width: 100%; border-radius: 10px; box-shadow: 0 15px 40px rgba(0,0,0,0.4); }

/* Footer */
.footer {
    padding: 40px 0 24px;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.footer-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text);
}

.footer-subtitle {
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 16px 0;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
    transform: translateY(-2px);
}

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

.copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.design-credit {
    font-size: 0.8rem;
}

.design-credit a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.design-credit a:hover {
    color: var(--accent);
}

/* Success State */
.success-msg {
    text-align: center;
    padding: 20px 0;
}

.success-msg .icon { font-size: 3rem; margin-bottom: 12px; }
.success-msg h3 { color: var(--success); font-size: 1.5rem; margin-bottom: 8px; }
.success-msg p { margin-bottom: 20px; }

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient);
    color: var(--bg);
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(201,162,39,0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content { order: 2; }
    .hero-book { order: 1; width: 200px; margin: 0 auto; }
    .tagline { max-width: none; }
    .quick-stats { justify-content: center; }
    .hero-form { flex-direction: column; max-width: none; }
    .problem-grid { grid-template-columns: 1fr; }
    .solution-grid { grid-template-columns: 1fr; }
    .features { grid-template-columns: 1fr; }
    .chapters { grid-template-columns: 1fr; }
    .audience-grid { grid-template-columns: 1fr; }
    .cta-box { grid-template-columns: 1fr; text-align: center; padding: 32px 20px; }
    .cta-book { display: none; }
    .form-row { flex-direction: column; }
    .trust { justify-content: center; flex-wrap: wrap; }
    .proof-stats { gap: 24px; }
}