/* ============ Landing Page — CardPulse ============ */

:root {
    --cp-black: #0a0a0a;
    --cp-dark: #111113;
    --cp-gray-900: #18181b;
    --cp-gray-800: #27272a;
    --cp-gray-700: #3f3f46;
    --cp-gray-600: #52525b;
    --cp-gray-500: #71717a;
    --cp-gray-400: #a1a1aa;
    --cp-gray-300: #d4d4d8;
    --cp-gray-100: #f4f4f5;
    --cp-white: #fafafa;
    --cp-green: #22c55e;
    --cp-green-soft: rgba(34,197,94,0.12);
    --cp-red: #ef4444;
    --cp-red-soft: rgba(239,68,68,0.12);
    --cp-orange: #f59e0b;
    --cp-orange-soft: rgba(245,158,11,0.12);
    --cp-blue: #3b82f6;
    --cp-blue-soft: rgba(59,130,246,0.12);
    --cp-purple: #8b5cf6;
    --cp-purple-soft: rgba(139,92,246,0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--cp-black);
    color: var(--cp-gray-300);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ============ Nav ============ */

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--cp-green), #16a34a);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
}

.nav-name { color: white; }

.landing-logo {
    height: 30px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--cp-gray-400);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-btn-secondary {
    padding: 0.45rem 1rem !important;
    border: 1px solid var(--cp-gray-700) !important;
    border-radius: 8px !important;
    color: white !important;
    transition: border-color 0.2s !important;
}

.nav-btn-secondary:hover { border-color: var(--cp-gray-500) !important; }

.nav-btn-primary {
    padding: 0.45rem 1.25rem !important;
    background: var(--cp-green) !important;
    color: white !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    transition: background 0.2s !important;
}

.nav-btn-primary:hover { background: #16a34a !important; }

/* ============ Hero ============ */

.hero {
    padding: 10rem 2rem 6rem;
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background: var(--cp-green-soft);
    color: var(--cp-green);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(34,197,94,0.2);
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.08;
    color: white;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--cp-gray-400);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 2rem;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.btn-hero-primary {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: var(--cp-green);
    color: white;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(34,197,94,0.25);
}

.btn-hero-primary:hover {
    background: #16a34a;
    box-shadow: 0 0 30px rgba(34,197,94,0.35);
    transform: translateY(-1px);
}

.btn-hero-secondary {
    display: inline-block;
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--cp-gray-300);
    border: 1px solid var(--cp-gray-700);
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-hero-secondary:hover {
    border-color: var(--cp-gray-500);
    color: white;
}

.hero-note {
    font-size: 0.8rem;
    color: var(--cp-gray-600);
}

/* Hero Visual — Signal Cards */
.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    max-width: 380px;
}

.hero-signal-card {
    background: var(--cp-gray-900);
    border: 1px solid var(--cp-gray-800);
    border-radius: 14px;
    padding: 1.1rem 1.25rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.hero-signal-card:hover {
    transform: translateX(-4px);
    box-shadow: 4px 4px 20px rgba(0,0,0,0.3);
}

.signal-card-hot { border-left: 3px solid var(--cp-red); }
.signal-card-rising { border-left: 3px solid var(--cp-orange); }
.signal-card-buy { border-left: 3px solid var(--cp-green); }

.hsc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.hsc-badge {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.hsc-badge.hot { background: var(--cp-red-soft); color: var(--cp-red); }
.hsc-badge.rising { background: var(--cp-orange-soft); color: var(--cp-orange); }
.hsc-badge.buy { background: var(--cp-green-soft); color: var(--cp-green); }

.hsc-score {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cp-gray-400);
}

.hsc-name { font-weight: 700; color: white; font-size: 1rem; }
.hsc-detail { font-size: 0.8rem; color: var(--cp-gray-500); margin-bottom: 0.6rem; }

.hsc-price {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.hsc-current { font-weight: 700; color: white; font-size: 1.05rem; }
.hsc-change { font-size: 0.78rem; font-weight: 600; }

.hsc-marketplaces {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.hsc-mp {
    font-size: 0.6rem;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.hsc-mp.sold { background: rgba(34,197,94,0.12); color: var(--cp-green); }
.hsc-mp.active { background: rgba(59,130,246,0.12); color: var(--cp-blue); }
.hsc-mp.market { background: rgba(139,92,246,0.1); color: var(--cp-purple); }

/* Scan card in hero */
.signal-card-scan { border-left: 3px solid var(--cp-blue); }
.hsc-badge.scan { background: var(--cp-blue-soft); color: var(--cp-blue); }
.hsc-mp.orange { background: rgba(245,158,11,0.12); color: var(--cp-orange); }
.mp-chip.orange { background: rgba(245,158,11,0.1); color: var(--cp-orange); border: 1px solid rgba(245,158,11,0.2); }
.feature-icon-scan { background: var(--cp-blue-soft) !important; color: var(--cp-blue) !important; }

/* Pulse Check card in hero */
.signal-card-ai { border-left: 3px solid var(--cp-purple); }
.hsc-badge.ai { background: var(--cp-purple-soft); color: var(--cp-purple); }

.hsc-ai-text {
    font-size: 0.85rem;
    color: #d4d4d8;
    line-height: 1.5;
}

.hsc-ai-emoji { font-size: 1rem; }

.hsc-ai-text strong { color: white; }

.hsc-ai-bullets {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--cp-gray-400);
}

.hsc-ai-bullets div {
    padding: 1px 0;
}

.hsc-ai-bullets div::before {
    content: '- ';
    color: var(--cp-gray-600);
}

.feature-icon-ai {
    background: var(--cp-purple-soft) !important;
    color: var(--cp-purple) !important;
}
.hsc-change.positive { color: var(--cp-green); }
.hsc-change.negative { color: var(--cp-red); }

.hsc-bar {
    height: 4px;
    background: var(--cp-gray-800);
    border-radius: 2px;
    overflow: hidden;
}

.hsc-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 1s ease;
}

.hot-fill { background: var(--cp-red); }
.rising-fill { background: var(--cp-orange); }
.buy-fill { background: var(--cp-green); }

/* ============ Social Proof ============ */

.social-proof {
    border-top: 1px solid var(--cp-gray-800);
    border-bottom: 1px solid var(--cp-gray-800);
    padding: 3rem 2rem;
}

.sp-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.sp-stat { text-align: center; }
.sp-num { display: block; font-size: 1.8rem; font-weight: 800; color: white; }
.sp-label { font-size: 0.8rem; color: var(--cp-gray-500); }
.sp-divider { width: 1px; height: 40px; background: var(--cp-gray-800); }

/* ============ Features ============ */

.features {
    padding: 7rem 2rem;
}

.features-inner, .how-inner, .pricing-inner {
    max-width: 1300px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--cp-gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--cp-gray-900);
    border: 1px solid var(--cp-gray-800);
    border-radius: 16px;
    padding: 2rem;
    transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
    border-color: var(--cp-gray-700);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cp-green-soft);
    color: var(--cp-green);
    border-radius: 12px;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--cp-gray-400);
    line-height: 1.6;
}

/* ============ Marketplace Strip ============ */

.mp-strip {
    padding: 2.5rem 2rem;
    border-top: 1px solid var(--cp-gray-800);
    border-bottom: 1px solid var(--cp-gray-800);
}

.mp-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.mp-label {
    font-size: 0.85rem;
    color: var(--cp-gray-500);
    font-weight: 600;
}

.mp-logos {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.mp-chip {
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}

.mp-chip small { font-weight: 400; opacity: 0.7; }

.mp-chip.sold { background: rgba(34,197,94,0.1); color: var(--cp-green); border: 1px solid rgba(34,197,94,0.2); }
.mp-chip.active { background: rgba(59,130,246,0.1); color: var(--cp-blue); border: 1px solid rgba(59,130,246,0.2); }
.mp-chip.market { background: rgba(139,92,246,0.08); color: var(--cp-purple); border: 1px solid rgba(139,92,246,0.2); }

/* ============ How It Works ============ */

.how-section {
    padding: 7rem 2rem;
    background: var(--cp-dark);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
}

.step {
    text-align: center;
    flex: 1;
    max-width: 280px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--cp-green);
    color: white;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.step h3 {
    color: white;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.9rem;
    color: var(--cp-gray-400);
    line-height: 1.6;
}

.step-arrow {
    margin-top: 1rem;
    color: var(--cp-gray-600);
    flex-shrink: 0;
}

/* ============ Pricing ============ */

.pricing {
    padding: 7rem 2rem;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--cp-gray-900);
    border: 1px solid var(--cp-gray-800);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    transition: border-color 0.3s;
}

.pricing-card.featured {
    border-color: var(--cp-green);
    box-shadow: 0 0 40px rgba(34,197,94,0.1);
}

.pc-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cp-green);
    color: white;
    padding: 0.2rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pc-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.75rem;
}

.pc-price { margin-bottom: 2rem; }
.pc-amount { font-size: 3rem; font-weight: 800; color: white; }
.pc-period { font-size: 0.9rem; color: var(--cp-gray-500); }

.pc-features {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pc-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--cp-gray-800);
    font-size: 0.9rem;
    color: var(--cp-gray-300);
}

.pc-features li::before {
    content: '\2713';
    color: var(--cp-green);
    font-weight: 700;
    margin-right: 0.75rem;
}

.pc-btn {
    display: block;
    padding: 0.75rem;
    border: 1px solid var(--cp-gray-700);
    border-radius: 10px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.pc-btn:hover { border-color: var(--cp-gray-500); }

.pc-btn.primary {
    background: var(--cp-green);
    border-color: var(--cp-green);
}

.pc-btn.primary:hover { background: #16a34a; }

/* ============ Final CTA ============ */

.final-cta {
    padding: 7rem 2rem;
    text-align: center;
    background: var(--cp-dark);
}

.cta-inner h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.75rem;
}

.cta-inner p {
    color: var(--cp-gray-400);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* ============ Footer ============ */

.landing-footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--cp-gray-800);
}

.footer-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--cp-gray-500);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--cp-gray-600);
}

/* ============ Responsive ============ */

/* Tablet */
@media (max-width: 1100px) {
    .pricing-cards { grid-template-columns: repeat(2, 1fr) !important; max-width: 800px !important; margin: 0 auto; }
}

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 7rem; gap: 2.5rem; }
    .hero h1 { font-size: 2.4rem; }
    .hero-inner { text-align: center; }
    .hero-ctas { justify-content: center; }
    .hero-note { text-align: center; }
    .hero-visual { justify-content: center; }
    .hero-card-stack { max-width: 360px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); }
    .sp-inner { flex-wrap: wrap; gap: 1.5rem; }
    .sp-divider { display: none; }
    .footer-inner { flex-direction: column; gap: 1.5rem; text-align: center; }
    .section-header h2 { font-size: 2rem; }
}

/* Mobile */
@media (max-width: 600px) {
    .hero { padding: 5.5rem 1rem 2.5rem; gap: 2rem; }
    .hero h1 { font-size: 1.7rem; }
    .hero-sub { font-size: 0.9rem; }
    .hero-badge { font-size: 0.7rem; padding: 0.3rem 0.7rem; }
    .hero-ctas { flex-direction: column; gap: 0.6rem; }
    .btn-hero-primary, .btn-hero-secondary { text-align: center; padding: 0.7rem; font-size: 0.9rem; }
    .features-grid { grid-template-columns: 1fr; gap: 1rem; }
    .feature-card { padding: 1.5rem; }
    .pricing-cards { grid-template-columns: 1fr !important; max-width: 400px !important; margin: 0 auto; }
    .features, .how-section, .pricing, .final-cta { padding: 3.5rem 1rem; }
    .nav-links a:not(.nav-btn-primary):not(.nav-btn-secondary) { display: none; }
    .section-header h2 { font-size: 1.4rem; }
    .section-header p { font-size: 0.9rem; }
    .cta-inner h2 { font-size: 1.5rem; }
    .cta-inner p { font-size: 0.85rem; }
    .hero-card-stack { max-width: 100%; }
    .hero-signal-card { padding: 0.75rem 0.9rem; }
    .hsc-name { font-size: 0.85rem; }
    .hsc-detail { font-size: 0.7rem; }
    .mp-inner { flex-direction: column; gap: 0.75rem; }
    .mp-logos { justify-content: center; flex-wrap: wrap; }
    .mp-chip { font-size: 0.7rem; }
    .footer-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .step { padding: 0 1rem; }
    .pc-features li { font-size: 0.85rem; }
}