/* style.css - Cursor-Inspired Warm Typography Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,500;1,400&family=IBM+Plex+Mono:wght@400&display=swap');

:root {
    /* Colors */
    --color-dark: #26251e;
    --color-cream: #f2f1ed;
    --color-light: #e6e5e0;
    --color-white: #ffffff;
    
    --color-accent: #f54e00;
    --color-error: #cf2d56;
    --color-success: #1f8a65;
    
    /* Surfaces */
    --surface-100: #f7f7f4;
    --surface-200: #f2f1ed;
    --surface-300: #ebeae5;
    --surface-400: #e6e5e0;
    --surface-500: #e1e0db;
    
    /* Borders */
    --border-primary: rgba(38, 37, 30, 0.1);
    --border-medium: rgba(38, 37, 30, 0.2);
    --border-strong: rgba(38, 37, 30, 0.55);
    
    /* Shadows */
    --shadow-card: rgba(0,0,0,0.14) 0px 28px 70px, rgba(0,0,0,0.1) 0px 14px 32px, 0 0 0 1px var(--border-primary);
    --shadow-ambient: rgba(0,0,0,0.02) 0px 0px 16px, rgba(0,0,0,0.008) 0px 0px 8px;
    --shadow-focus: rgba(0,0,0,0.1) 0px 4px 12px;
    
    /* Fonts - using available web fonts as approximations */
    --font-display: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Lora', Georgia, serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
    --font-system: system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--surface-200);
    color: var(--color-dark);
    font-family: var(--font-serif);
    font-size: 17.28px;
    line-height: 1.35;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, .font-display {
    font-family: var(--font-display);
    font-weight: 400;
    color: var(--color-dark);
}

h1.hero-title {
    font-size: 72px;
    line-height: 1.10;
    letter-spacing: -2.16px;
    margin-bottom: 24px;
}

h2.section-title {
    font-size: 36px;
    line-height: 1.20;
    letter-spacing: -0.72px;
    margin-bottom: 32px;
}

h3.card-title {
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: -0.325px;
    margin-bottom: 12px;
}

p.subtitle {
    font-family: var(--font-serif);
    font-size: 19.2px;
    color: rgba(38, 37, 30, 0.55);
    margin-bottom: 48px;
    max-width: 600px;
}

a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 150ms ease;
}

a.text-link {
    text-decoration: underline;
    text-decoration-color: rgba(38, 37, 30, 0.4);
    text-underline-offset: 4px;
}

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

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 96px 0;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(242, 241, 237, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 16px 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-primary);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.5px;
}

.logo img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 500;
}

/* Buttons & Tags */
.btn-primary {
    display: inline-block;
    background-color: var(--surface-300);
    color: var(--color-dark);
    border-radius: 8px;
    padding: 10px 14px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.0;
    cursor: pointer;
    transition: all 150ms ease;
}

.btn-primary:hover {
    color: var(--color-error);
    box-shadow: var(--shadow-focus);
}

.pill-tag {
    display: inline-block;
    background-color: var(--surface-400);
    color: rgba(38, 37, 30, 0.6);
    border-radius: 9999px;
    padding: 3px 8px;
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
    margin-right: 8px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}

/* Cards / Grid */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.card {
    background-color: var(--surface-400);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow-ambient);
    transition: box-shadow 200ms ease;
}

.card:hover {
    box-shadow: var(--shadow-card);
}

.card p {
    color: rgba(38, 37, 30, 0.55);
}

/* AI Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 24px;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.timeline-step {
    display: flex;
    gap: 24px;
    position: relative;
    padding-bottom: 32px;
}

.timeline-step:last-child {
    padding-bottom: 0;
}

.timeline-line {
    position: absolute;
    left: 11px;
    top: 24px;
    bottom: 0;
    width: 1px;
    background-color: var(--border-primary);
}

.timeline-step:last-child .timeline-line {
    display: none;
}

.timeline-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.dot-thinking { background-color: #dfa88f; }
.dot-grep { background-color: #9fc9a2; }
.dot-read { background-color: #9fbbe0; }
.dot-edit { background-color: #c0a8dd; }

.timeline-content {
    padding-top: 2px;
}

.timeline-label {
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-desc {
    font-family: var(--font-display);
    font-size: 16px;
    color: rgba(38, 37, 30, 0.55);
}

/* Code Preview */
.code-preview {
    background-color: #1a1a1a;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: #e6e5e0;
    text-align: left;
    margin-top: 48px;
    box-shadow: var(--shadow-card);
}

/* Inputs & Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
    text-align: left;
}

.form-label {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 500;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--surface-100);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    font-family: var(--font-system);
    font-size: 16px;
    color: var(--color-dark);
    outline: none;
    transition: all 150ms ease;
}

.form-input:focus, .form-textarea:focus {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-focus);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 500;
    text-align: center;
}

.form-success {
    background-color: #e8f5e9;
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-error {
    background-color: #fce8ec;
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.field-error {
    color: var(--color-error);
    font-size: 13px;
    text-align: left;
}

/* Footer */
footer {
    background-color: var(--surface-100);
    border-top: 1px solid var(--border-primary);
    padding: 80px 0 40px;
    margin-top: 64px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 64px;
}

.footer-section h4 {
    font-family: var(--font-display);
    font-weight: 500;
    margin-bottom: 24px;
    font-size: 16px;
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-section a {
    font-family: var(--font-system);
    font-size: 14px;
    color: rgba(38, 37, 30, 0.55);
}

.footer-section a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--border-primary);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-system);
    color: rgba(38, 37, 30, 0.4);
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    h1.hero-title { font-size: 48px; letter-spacing: -1.0px; }
    h2.section-title { font-size: 28px; }
    .nav-links { display: none; }
    .section { padding: 64px 0; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}