/* ============================================
   MOCHI LANDING PAGE — runmochi.com
   Dark theme, premium feel, Apple-esque
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a28;
    --bg-card-hover: #22223a;
    --text-primary: #f0f0f5;
    --text-secondary: #9090a8;
    --text-muted: #606078;
    --accent-purple: #a855f7;
    --accent-purple-light: #c084fc;
    --accent-purple-dark: #7c3aed;
    --accent-coral: #f97316;
    --accent-green: #22c55e;
    --gradient-main: linear-gradient(135deg, #a855f7 0%, #f97316 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(168,85,247,0.15) 0%, rgba(249,115,22,0.05) 100%);
    --border: rgba(255,255,255,0.06);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-xs: 4px;
    --shadow-glow: 0 0 80px rgba(168,85,247,0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.section-heading {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
}

/* ===================== NAV ===================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 24px;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    gap: 0;
}

.logo-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gradient-main);
    margin-right: 8px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--accent-purple) !important;
    color: white !important;
    padding: 8px 20px !important;
    border-radius: 100px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--accent-purple-light) !important;
    transform: translateY(-1px);
}

/* ===================== HERO ===================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    position: relative;
    text-align: center;
}

.hero-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(circle, rgba(168,85,247,0.12) 0%, rgba(249,115,22,0.05) 40%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(168,85,247,0.1);
    border: 1px solid rgba(168,85,247,0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-purple-light);
    margin-bottom: 24px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: 0 4px 24px rgba(168,85,247,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(168,85,247,0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ============ HERO PREVIEW ============ */
.hero-preview {
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.preview-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 560px;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: var(--shadow-glow), 0 20px 60px rgba(0,0,0,0.5);
}

.preview-titlebar {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}

.preview-dots {
    display: flex;
    gap: 6px;
    margin-right: 12px;
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.preview-title {
    font-size: 0.85rem;
    font-weight: 600;
    flex: 1;
}

.model-pill {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    padding: 3px 10px;
    border-radius: 100px;
}

.pill-dot {
    width: 5px;
    height: 5px;
    background: var(--accent-green);
    border-radius: 50%;
}

.preview-chat {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

.msg-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
}

.chat-msg.user .msg-label { color: #60a5fa; }
.chat-msg.assistant .msg-label { color: var(--accent-purple-light); }

.chat-msg p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 4px;
}

/* Thinking block in preview */
.thinking-block {
    background: rgba(168,85,247,0.06);
    border: 1px solid rgba(168,85,247,0.12);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    margin-bottom: 10px;
}

.thinking-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-purple-light);
    display: block;
    margin-bottom: 4px;
}

.thinking-content {
    font-size: 0.78rem !important;
    color: var(--text-muted) !important;
    font-style: italic;
}

/* Code block in preview */
.code-block {
    background: #0d0d14;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: 8px 0;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.copy-btn {
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
}

.copy-btn:hover { opacity: 1; }

.code-block pre {
    padding: 10px 12px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 0.72rem;
    color: #a0d0a0;
    line-height: 1.5;
}

.privacy-note {
    font-size: 0.75rem !important;
    color: var(--accent-green) !important;
    margin-top: 8px !important;
    opacity: 0.8;
}

.preview-input {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}

.input-placeholder {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.input-shortcut {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.05);
    padding: 2px 8px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
}

/* ============ SOCIAL PROOF ============ */
.social-proof {
    padding: 40px 24px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

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

.proof-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.proof-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-purple-light);
    flex-shrink: 0;
}

/* ============ PROBLEM SECTION ============ */
.problem-section {
    padding: 100px 24px;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.problem-card {
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.problem-card.bad {
    background: rgba(239,68,68,0.05);
    border-color: rgba(239,68,68,0.15);
}

.problem-card.good {
    background: rgba(34,197,94,0.05);
    border-color: rgba(34,197,94,0.15);
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.problem-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.problem-card li {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============ FEATURES ============ */
.features {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.features h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease, background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(168,85,247,0.2);
    transform: translateY(-4px);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(168,85,247,0.08);
    border: 1px solid rgba(168,85,247,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent-purple-light);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

.pro-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent-purple-light);
    background: rgba(168,85,247,0.15);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    vertical-align: middle;
}

/* ============ MODEL SHOWCASE ============ */
.models-section {
    padding: 100px 24px;
}

.models-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.model-tiers {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 750px;
    margin: 0 auto;
}

.model-tier {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 18px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    opacity: 0;
    transform: translateX(-20px);
    animation: fadeInLeft 0.5s ease forwards;
}

.model-tier:nth-child(1) { animation-delay: 0.1s; }
.model-tier:nth-child(2) { animation-delay: 0.2s; }
.model-tier:nth-child(3) { animation-delay: 0.3s; }
.model-tier:nth-child(4) { animation-delay: 0.4s; }
.model-tier:nth-child(5) { animation-delay: 0.5s; }

.model-tier.visible {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.4s ease, transform 0.4s ease, background 0.3s ease, border-color 0.3s ease;
}

.model-tier:hover {
    border-color: rgba(168,85,247,0.15);
    background: var(--bg-card-hover);
}

.model-tier.highlight {
    border-color: rgba(168,85,247,0.25);
    background: rgba(168,85,247,0.05);
}

.tier-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    min-width: 180px;
}

.tier-models {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.model-tag {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    padding: 4px 10px;
    border-radius: 100px;
    border: 1px solid var(--border);
    white-space: nowrap;
}

.model-tag.featured-model {
    color: var(--accent-purple-light);
    border-color: rgba(168,85,247,0.2);
    background: rgba(168,85,247,0.08);
}

.tier-speed {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 140px;
    text-align: right;
}

.models-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 24px;
}

.models-note a {
    color: var(--accent-purple-light);
    text-decoration: none;
}

.models-note a:hover {
    text-decoration: underline;
}

/* ============ USE CASES ============ */
.use-cases {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.use-cases h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.use-case-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease, background 0.3s ease, border-color 0.3s ease;
}

.use-case-card:hover {
    border-color: rgba(168,85,247,0.2);
    transform: translateY(-4px);
}

.use-case-card.visible:hover {
    transform: translateY(-4px);
}

.use-case-emoji {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(168,85,247,0.08);
    border: 1px solid rgba(168,85,247,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.use-case-emoji svg {
    width: 28px;
    height: 28px;
    stroke: var(--accent-purple-light);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-check, .icon-cross, .icon-partial {
    font-style: normal;
    font-weight: 700;
}

.icon-check { color: #22c55e; }
.icon-cross { color: #ef4444; }
.icon-partial { color: #eab308; }

.use-case-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.use-case-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: left;
}

/* ============ HOW IT WORKS ============ */
.how-it-works {
    padding: 100px 24px;
}

.how-it-works h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.step {
    text-align: center;
    flex: 1;
    max-width: 250px;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-top: -30px;
}

/* ============ COMPARISON TABLE ============ */
.comparison-section {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.comparison-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.comparison-table-wrapper {
    max-width: 900px;
    margin: 0 auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    min-width: 650px;
    border-collapse: collapse;
    font-size: 0.9rem;
    table-layout: fixed;
}

.comparison-table th,
.comparison-table td {
    padding: 14px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    width: 35%;
    white-space: normal;
    text-align: left;
    font-weight: 500;
}

.comparison-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-bottom: 18px;
}


.comparison-table td {
    color: var(--text-secondary);
}

.mochi-col {
    color: var(--accent-purple-light) !important;
    font-weight: 600 !important;
    background: rgba(168,85,247,0.04);
}

.comparison-table thead th.mochi-col {
    font-size: 1rem;
    color: var(--text-primary) !important;
}

.comparison-table tbody tr:hover {
    background: rgba(255,255,255,0.02);
}

/* ============ PRICING ============ */
.pricing {
    padding: 100px 24px;
}

.pricing h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

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

.pricing-card.featured {
    border-color: var(--accent-purple);
    box-shadow: 0 0 40px rgba(168,85,247,0.1);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-main);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 100px;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.pricing-card li {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pricing-compare {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 24px;
}

.pricing-compare strong {
    color: var(--accent-green);
}

/* ============ FAQ ============ */
.faq-section {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.faq-section h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    border-color: rgba(168,85,247,0.2);
}

.faq-item summary {
    padding: 18px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

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

.faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--text-muted);
    transition: var(--transition);
}

.faq-item[open] summary::after {
    content: '−';
    color: var(--accent-purple-light);
}

.faq-item summary:hover {
    color: var(--accent-purple-light);
}

.faq-item > p {
    padding: 0 24px 18px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ SIGNUP ============ */
.signup {
    padding: 100px 24px;
}

.signup-card {
    max-width: 550px;
    margin: 0 auto;
    text-align: center;
}

.signup-card h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

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

.signup-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.signup-form input {
    flex: 1;
    min-width: 200px;
    padding: 14px 20px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.signup-form input:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168,85,247,0.15);
}

.mac-select {
    padding: 14px 20px;
    border-radius: 100px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

.mac-select:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168,85,247,0.15);
}

.signup-note {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.signup-success {
    padding: 32px;
}

.success-icon {
    font-size: 3rem;
}

.signup-success h3 {
    margin: 12px 0 8px;
    font-size: 1.3rem;
}

.signup-success p {
    color: var(--text-secondary);
}

/* ============ DEV CALLOUT ============ */
.dev-callout {
    padding: 48px 24px;
    background: var(--bg-secondary);
}

.dev-card {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.dev-card:hover {
    border-color: rgba(249,115,22,0.2);
}

.dev-content h3 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.dev-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============ FOOTER ============ */
.footer {
    padding: 48px 24px 24px;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

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

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

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stat-divider { width: 40px; height: 1px; }
    .preview-window { width: 100%; }
    .problem-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .use-case-grid { grid-template-columns: 1fr 1fr; }
    .steps { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .pricing-grid { grid-template-columns: 1fr; }
    .signup-form { flex-direction: column; }
    .nav-links { display: none; }
    .model-tier { flex-direction: column; align-items: flex-start; gap: 8px; }
    .tier-speed { text-align: left; }
    .comparison-table { font-size: 0.8rem; }
    .comparison-table th, .comparison-table td { padding: 10px 8px; }
    .dev-card { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .use-case-grid { grid-template-columns: 1fr; }
    .proof-strip { gap: 24px; }
}