/* Diurnu Software - Main Stylesheet */
/* Color Palette inspired by Catppuccin Mocha theme */

:root {
    /* Background Colors */
    --bg-primary: #1e1e2e;
    --bg-secondary: #181825;
    --bg-tertiary: #11111b;
    --bg-card: #232330;

    /* Text Colors */
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-muted: #6c7086;

    /* Accent Colors */
    --accent-blue: #89b4fa;
    --accent-green: #4ade80;
    --accent-red: #f38ba8;
    --accent-yellow: #f9e2af;
    --accent-purple: #cba6f7;
    --accent-cyan: #94e2d5;

    /* UI Colors */
    --border-color: #313244;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-green);
}

/* Header & Navigation */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background-color: var(--bg-card);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--bg-tertiary);
}

.btn-primary:hover {
    background-color: var(--accent-green);
    color: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(74, 222, 128, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}

.btn-secondary:hover {
    background-color: var(--accent-blue);
    color: var(--bg-tertiary);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Sections */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

/* Programs Section */
.programs {
    background-color: var(--bg-secondary);
}

.program-cards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.program-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 400px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.program-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.program-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.program-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* About Section */
.about {
    text-align: center;
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.email-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-blue);
}

.email-link:hover {
    color: var(--accent-green);
}

/* Product Page Styles */
.product-hero {
    padding: 6rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.product-hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.product-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.product-overview {
    text-align: center;
    background-color: var(--bg-secondary);
}

.product-overview p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Features Grid */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--accent-blue);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Screenshots */
.screenshots {
    background-color: var(--bg-secondary);
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    text-align: center;
}

.screenshot-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.screenshot-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-img:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--shadow);
}

.screenshot-placeholder {
    text-align: center;
}

.screenshot-box {
    background-color: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    color: var(--text-muted);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Download Section */
.download-section {
    background-color: var(--bg-secondary);
    text-align: center;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
}

.download-info {
    margin-bottom: 2rem;
}

.download-info h3 {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.version {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.license {
    font-size: 1.1rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
}

.description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.requirements {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    display: inline-block;
    text-align: left;
    border: 1px solid var(--border-color);
}

.requirements h4 {
    color: var(--accent-blue);
    margin-bottom: 0.75rem;
}

.requirements ul {
    list-style: none;
    color: var(--text-secondary);
}

.requirements li {
    padding: 0.25rem 0;
}

.requirements li::before {
    content: "✓";
    color: var(--accent-green);
    margin-right: 0.5rem;
}

/* Footer */
.footer {
    background-color: var(--bg-tertiary);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer p {
    color: var(--text-muted);
}

.footer-contact {
    margin-top: 0.5rem;
}

.footer-contact a {
    color: var(--text-secondary);
}

/* Brochure Styles */
.brochure-page {
    background-color: var(--bg-tertiary);
}

.brochure {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-primary);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow);
}

.brochure-header {
    background-color: var(--bg-secondary);
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.brochure-logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.brochure-title {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.brochure-hero {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-green) 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.brochure-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bg-tertiary);
    margin-bottom: 0.5rem;
}

.brochure-tagline {
    font-size: 1.25rem;
    color: var(--bg-tertiary);
    opacity: 0.9;
}

.brochure-main {
    padding: 2rem;
}

.brochure-section {
    margin-bottom: 2rem;
}

.brochure-section h2 {
    font-size: 1.5rem;
    text-align: left;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.brochure-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.brochure-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
}

.brochure-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.feature-check {
    color: var(--accent-green);
    font-weight: bold;
}

.brochure-screenshots {
    padding: 2rem;
    background-color: var(--bg-secondary);
}

.brochure-screenshots h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.brochure-screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.brochure-screenshot {
    text-align: center;
}

.brochure-screenshot .screenshot-placeholder {
    background-color: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    color: var(--text-muted);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brochure-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px var(--shadow);
}

.brochure-download {
    padding: 3rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.brochure-download h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.brochure-version {
    color: var(--accent-green);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.brochure-requirements {
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 1rem;
    display: inline-block;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.brochure-requirements h4 {
    color: var(--accent-blue);
    margin-bottom: 0.25rem;
}

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

.brochure-contact {
    margin-top: 1.5rem;
    color: var(--text-secondary);
}

.brochure-contact a {
    color: var(--accent-blue);
}

.brochure-footer {
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.brochure-footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    section {
        padding: 3rem 1.5rem;
    }

    section h2 {
        font-size: 2rem;
    }

    .program-cards {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-gallery {
        grid-template-columns: 1fr;
    }
}