/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;
    --color-bg-tertiary: #121212;
    --color-text-primary: #ffffff;
    --color-text-secondary: #999999;
    --color-text-tertiary: #666666;
    --color-accent: #6366f1;
    --color-accent-hover: #4f46e5;
    --color-border: #1a1a1a;
    --color-card-bg: #0f0f0f;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.5rem;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== LAYOUT UTILITIES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== NAVIGATION BAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 0.75rem 0;
}

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

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.logo svg {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

.nav-right {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.btn-link {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.btn-link:hover {
    color: var(--color-text-primary);
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.btn-primary:hover {
    background-color: var(--color-text-secondary);
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: 8rem;
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.hero-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-xl);
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.btn-download {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    padding: 0.875rem 1.75rem;
    border-radius: 0.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-download:hover {
    background-color: var(--color-text-secondary);
}

.btn-secondary {
    color: var(--color-text-primary);
    padding: 0.875rem 1.75rem;
    border-radius: 0.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.hero-image {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.hero-image img {
    width: 100%;
    display: block;
}

/* ===== TRUSTED BY SECTION ===== */
.trusted-by {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

.trusted-title {
    text-align: center;
    font-size: var(--font-size-xl);
    font-weight: 500;
    margin-bottom: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
    max-width: 900px;
    margin: 0 auto;
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.logo-item:hover {
    opacity: 1;
}

.logo-item img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

/* ===== FEATURE SECTIONS ===== */
.feature-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

.feature-section.feature-dark {
    background-color: var(--color-bg-secondary);
}

.feature-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.feature-container.reverse {
    direction: rtl;
}

.feature-container.reverse > * {
    direction: ltr;
}

.feature-content {
    max-width: 500px;
}

.feature-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.feature-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.feature-link {
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.feature-image {
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.feature-image img {
    width: 100%;
    display: block;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    letter-spacing: -0.02em;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.testimonial-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: var(--spacing-lg);
    transition: border-color 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--color-text-tertiary);
}

.testimonial-card blockquote {
    margin-bottom: var(--spacing-md);
}

.testimonial-card blockquote p {
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text-primary);
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.author-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.author-title {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ===== FEATURE CARDS SECTION ===== */
.feature-cards {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: var(--spacing-lg);
    transition: border-color 0.3s ease;
}

.card:hover {
    border-color: var(--color-text-tertiary);
}

.card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.card-link {
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

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

.card-image {
    border-radius: 0.5rem;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.card-image img {
    width: 100%;
}

/* ===== CHANGELOG SECTION ===== */
.changelog {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

.changelog-list {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.changelog-item {
    display: block;
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
    transition: opacity 0.3s ease;
}

.changelog-item:hover {
    opacity: 0.7;
}

.changelog-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.changelog-version {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
}

.changelog-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.changelog-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text-primary);
}

.view-more {
    display: block;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-top: var(--spacing-lg);
}

.view-more:hover {
    color: var(--color-text-primary);
}

/* ===== TEAM SECTION ===== */
.team {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.team-cta {
    display: inline-flex;
    margin-bottom: var(--spacing-2xl);
}

.team-image {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 0.75rem;
    overflow: hidden;
}

/* ===== BLOG/STORIES SECTION ===== */
.blog-stories {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-primary);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.story-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: var(--spacing-lg);
    transition: border-color 0.3s ease;
    display: block;
}

.story-card:hover {
    border-color: var(--color-text-tertiary);
}

.story-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.story-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.story-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* ===== FINAL CTA SECTION ===== */
.final-cta {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-secondary);
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-column ul li a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer-column ul li a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--container-padding) 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.soc-badge {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.soc-badge:hover {
    color: var(--color-text-primary);
}

/* ===== RESPONSIVE UTILITIES ===== */
.download-icon,
.arrow {
    font-size: var(--font-size-lg);
}