/* OpenClaw Bot - Landing Page Styles */

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

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-text: #1a1a2e;
    --color-text-secondary: #64748b;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-border: #e2e8f0;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
    --max-width-narrow: 720px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
}

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

/* ===== Layout ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--max-width-narrow);
}

.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

/* ===== Nav ===== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text);
}

.nav-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
}

.nav-name {
    font-weight: 600;
    font-size: 16px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s;
}

.nav-links a:hover {
    color: var(--color-text);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    font-family: var(--font-family);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ===== Section headings ===== */
.section-eyebrow {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-bottom: 48px;
}

/* ===== Split (Problem/Solution) ===== */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.split h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.problem-list, .solution-list {
    list-style: none;
    padding: 0;
}

.problem-list li, .solution-list li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--color-text-secondary);
}

.problem-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-error);
    opacity: 0.6;
}

.solution-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    opacity: 0.6;
}

/* ===== Steps ===== */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    text-align: center;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.step p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ===== Skills Grid ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: box-shadow 0.15s, border-color 0.15s;
}

.skill-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.skill-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: 16px;
}

.skill-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.skill-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.price-card {
    padding: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    background: var(--color-bg);
}

.price-card-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.03);
}

.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--color-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    white-space: nowrap;
}

.price-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.price {
    margin-bottom: 24px;
}

.price-old {
    text-decoration: line-through;
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-right: 4px;
}

.price-current {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.price-period {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.price-features {
    list-style: none;
    padding: 0;
    margin-bottom: 28px;
}

.price-features li {
    padding: 6px 0 6px 24px;
    position: relative;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.price-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
}

.pricing-note {
    text-align: center;
    margin-top: 32px;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.pricing-note a {
    color: var(--color-primary);
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ===== FAQ ===== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    padding: 20px 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: "+";
    font-size: 20px;
    color: var(--color-text-secondary);
    font-weight: 400;
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    padding-bottom: 20px;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ===== Waitlist Box ===== */
.waitlist-box {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.waitlist-box h2 {
    font-size: 28px;
    margin-bottom: 8px;
}

.waitlist-box > p {
    color: var(--color-text-secondary);
    margin-bottom: 28px;
}

.waitlist-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font-family);
    transition: border-color 0.15s;
    background: var(--color-bg);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.waitlist-form .btn {
    margin-top: 4px;
}

.waitlist-note {
    margin-top: 12px;
    font-size: 12px;
    color: var(--color-text-secondary);
}

/* ===== Alerts ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error {
    background: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

/* ===== Success Page ===== */
.success-icon {
    margin-bottom: 24px;
}

.success-details {
    margin-top: 24px;
    color: var(--color-text-secondary);
}

.success-details p {
    margin-bottom: 8px;
}

/* ===== Footer ===== */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}

.footer-brand {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 4px;
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-heading {
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.footer-grid a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 3px 0;
}

.footer-grid a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
    .nav-links a:not(.btn) {
        display: none;
    }

    .hero {
        padding: 60px 0 40px;
    }

    .hero-title {
        font-size: 32px;
    }

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

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .price-card-featured {
        transform: none;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .waitlist-form .form-row {
        grid-template-columns: 1fr;
    }

    .waitlist-box {
        padding: 32px 20px;
    }
}