/* landing.css
 *
 * Landing page styles for GstPipelineStudio
 * Matches the application's visual language with node-style cards and port indicators
 *
 * Copyright 2025 Stéphane Cerveau <scerveau@igalia.com>
 * SPDX-License-Identifier: GPL-3.0-only
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

:root {
    /* GPS App Colors */
    --node-green: #90EE90;
    --node-green-border: #228B22;
    --port-red: #FF6B6B;
    --port-red-border: #B22222;
    --port-blue: #6495ED;
    --port-blue-border: #4169E1;
    --canvas: #c8c8c8;
    --canvas-light: #e0e0e0;

    /* UI */
    --white: #ffffff;
    --text-dark: #1a1a1a;
    --text-gray: #555555;
    --text-light: #777777;
    --shadow: rgba(0, 0, 0, 0.15);
    --rounded: 6px;
    --rounded-lg: 10px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--canvas);
    color: var(--text-dark);
    line-height: 1.6;
}

code, .mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Navigation - styled like app toolbar */
.nav {
    background: linear-gradient(180deg, #f0f0f0 0%, #d8d8d8 100%);
    border-bottom: 1px solid #a0a0a0;
    padding: 0.5rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 2px 4px var(--shadow);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
}

.nav-brand img {
    height: 36px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--rounded);
    transition: all 0.2s;
    border: 1px solid transparent;
}

.nav-links a:hover {
    background: var(--white);
    border-color: #b0b0b0;
    box-shadow: 0 1px 3px var(--shadow);
}

.version-badge {
    background: var(--node-green);
    border: 2px solid var(--node-green-border);
    color: var(--text-dark);
    padding: 0.35rem 0.85rem;
    border-radius: var(--rounded);
    font-size: 0.8rem;
    font-weight: 600;
}

/* Hero */
.hero {
    min-height: 100vh;
    padding: 6rem 2rem 4rem;
    display: flex;
    align-items: center;
    background:
        linear-gradient(90deg, rgba(200,200,200,0.3) 1px, transparent 1px),
        linear-gradient(rgba(200,200,200,0.3) 1px, transparent 1px),
        var(--canvas);
    background-size: 50px 50px;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Node-style card for hero text */
.hero-card {
    background: var(--node-green);
    border: 3px solid var(--node-green-border);
    border-radius: var(--rounded-lg);
    padding: 2.5rem;
    box-shadow: 4px 4px 0 var(--node-green-border);
    position: relative;
}

/* Port connectors */
.hero-card::before {
    content: 'src_0';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--port-red);
    border: 2px solid var(--port-red-border);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.hero-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.hero-logo {
    width: 80px;
    height: auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: 500;
    color: #666666;
    letter-spacing: -0.5px;
    margin: 0;
}

.hero-title span {
    color: #1a1a1a;
    font-weight: 800;
}

.hero-card .subtitle {
    font-size: 1.05rem;
    color: var(--text-dark);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--rounded);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-primary {
    background: var(--port-blue);
    border: 2px solid var(--port-blue-border);
    color: white;
    box-shadow: 2px 2px 0 var(--port-blue-border);
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 var(--port-blue-border);
}

.btn-secondary {
    background: var(--white);
    border: 2px solid #888;
    color: var(--text-dark);
    box-shadow: 2px 2px 0 #666;
}

.btn-secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 #666;
}

.hero-screenshot {
    position: relative;
}

.hero-screenshot img {
    width: 100%;
    border-radius: var(--rounded-lg);
    border: 3px solid #666;
    box-shadow: 8px 8px 0 rgba(0,0,0,0.2);
}

/* Install Section */
.install-section {
    padding: 5rem 2rem;
    background: var(--canvas-light);
}

.install-inner {
    max-width: 700px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.terminal {
    background: #2d2d2d;
    border: 3px solid #1a1a1a;
    border-radius: var(--rounded-lg);
    overflow: hidden;
    box-shadow: 4px 4px 0 #1a1a1a;
}

.terminal-header {
    background: #3d3d3d;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #888;
    border-bottom: 1px solid #1a1a1a;
}

.terminal-header svg {
    width: 14px;
    height: 14px;
    fill: var(--node-green);
}

.terminal-body {
    padding: 1.25rem 1.5rem;
}

.terminal-line {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.terminal-prompt {
    color: var(--node-green);
    margin-right: 0.5rem;
}

.terminal-command {
    color: #f0f0f0;
}

.terminal-comment {
    color: #666;
}

/* Features */
.features {
    padding: 5rem 2rem;
    background: var(--canvas);
}

.features-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.features-inner .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Node-style feature cards */
.feature-card {
    background: var(--node-green);
    border: 3px solid var(--node-green-border);
    border-radius: var(--rounded-lg);
    padding: 1.5rem;
    box-shadow: 3px 3px 0 var(--node-green-border);
    transition: all 0.2s;
    position: relative;
}

.feature-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--node-green-border);
}

/* Sink port on left */
.feature-card::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: var(--port-blue);
    border: 2px solid var(--port-blue-border);
    border-radius: 3px;
}

/* Src port on right */
.feature-card::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    background: var(--port-red);
    border: 2px solid var(--port-red-border);
    border-radius: 3px;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card h3 svg {
    width: 20px;
    height: 20px;
    fill: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* Downloads */
.downloads {
    padding: 5rem 2rem;
    background: var(--canvas-light);
}

.downloads-inner {
    max-width: 800px;
    margin: 0 auto;
}

.downloads-inner .section-title {
    text-align: center;
    margin-bottom: 2rem;
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.download-item {
    background: var(--white);
    border: 2px solid #999;
    border-radius: var(--rounded-lg);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 2px 2px 0 #777;
}

.download-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 #777;
    border-color: var(--node-green-border);
    background: var(--node-green);
}

.download-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.download-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon svg {
    width: 32px;
    height: 32px;
}

.download-name {
    color: var(--text-dark);
    font-weight: 600;
}

.download-desc {
    color: var(--text-light);
    font-size: 0.8rem;
}

.download-badge {
    background: var(--port-blue);
    border: 2px solid var(--port-blue-border);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: var(--rounded);
    font-size: 0.8rem;
    font-weight: 600;
}

.download-item:hover .download-badge {
    background: var(--port-red);
    border-color: var(--port-red-border);
}

/* Footer */
footer {
    padding: 2.5rem 2rem;
    background: #b0b0b0;
    border-top: 2px solid #888;
    text-align: center;
}

footer p {
    color: var(--text-gray);
    font-size: 0.85rem;
}

footer a {
    color: var(--port-blue-border);
    text-decoration: none;
    font-weight: 500;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }
    .hero-card::before {
        display: none;
    }
    .hero-screenshot {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.version-badge) {
        display: none;
    }
    .feature-card::before,
    .feature-card::after {
        display: none;
    }
}