/* ============================================
   MenzeletDB Landing Page — style.css
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors — Slate Blue tonları (kurumsal palate uyumlu) */
    --gray-50: #f0f4ff;
    --gray-100: #e1e8f0;
    --gray-200: #c8d3e0;
    --gray-300: #a8b8cc;
    --gray-400: #7e91aa;
    --gray-500: #5e6e8a;
    --gray-600: #455268;
    --gray-700: #2a3a5c;
    --gray-800: #1e2a45;
    --gray-900: #141a2e;
    --gray-950: #0a0c14;

    --blue-50: #e3f2fd;
    --blue-100: #bbdefb;
    --blue-200: #90caf9;
    --blue-300: #64b5f6;
    --blue-400: #42a5f5;
    --blue-500: #01B3F1;
    --blue-600: #0191D9;
    --blue-700: #0170C1;
    --blue-800: #014A84;
    --blue-900: #0d47a1;

    --brand-500: #0d47a1;
    --brand-600: #014A84;

    /* Semantic */
    --bg-primary: #0a0c14;
    --bg-secondary: #0e1220;
    --bg-tertiary: #141a2e;
    --bg-card: #171e32;
    --bg-card-hover: #1c2440;

    --text-primary: #f0f4ff;
    --text-secondary: #94a3c8;
    --text-muted: #5e6e8a;

    --border-color: #1e2a45;
    --border-color-hover: #2a3a5c;

    --accent: var(--blue-500);
    --accent-hover: var(--blue-400);

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 6rem 0;
    --card-padding: 1.75rem;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-sm: 8px;

    /* Transitions */
    --transition: 0.2s ease;
    --transition-slow: 0.4s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

code, pre {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

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

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Section --- */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9375rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(1, 179, 241, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--border-color-hover);
    background: var(--bg-card);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

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

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* ===========================
   NAVBAR
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border-color);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translateY(5px) translateX(5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

/* ===========================
   HERO
   =========================== */
.hero {
    position: relative;
    padding: 10rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 0%, rgba(1, 179, 241, 0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 30% at 70% 10%, rgba(13, 71, 161, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(1, 179, 241, 0.1);
    border: 1px solid rgba(1, 179, 241, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--blue-300);
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--blue-300) 0%, var(--blue-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

/* Hero Terminal */
.hero-terminal {
    max-width: 640px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    text-align: left;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03),
        0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.terminal-body {
    padding: 1.25rem;
    overflow-x: auto;
}

.terminal-body code {
    font-size: 0.8125rem;
    line-height: 1.7;
    white-space: pre;
    color: var(--text-secondary);
}

.t-prompt { color: var(--blue-400); font-weight: 500; }
.t-keyword { color: #c084fc; }
.t-type { color: #38bdf8; }
.t-success { color: #4ade80; }
.t-muted { color: var(--gray-500); }
.t-comment { color: var(--gray-500); }

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    padding: var(--card-padding);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(1, 179, 241, 0.1);
    border-radius: 10px;
    margin-bottom: 1rem;
    color: var(--blue-400);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   ARCHITECTURE
   =========================== */
.architecture {
    padding: var(--section-padding);
}

.arch-diagram {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.arch-layer {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.arch-layer:hover {
    border-color: var(--blue-500);
    box-shadow: 0 0 20px rgba(1, 179, 241, 0.1);
}

.arch-layer-num {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-500);
    color: #fff;
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: 8px;
    flex-shrink: 0;
}

.arch-layer-content {
    flex: 1;
}

.arch-layer-content h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.arch-layer-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.arch-layer-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    flex-shrink: 0;
}

.arch-connector {
    display: flex;
    justify-content: center;
    padding: 0.375rem 0;
}

/* Data Flow */
.data-flow {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.flow-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.flow-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.flow-steps {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.375rem;
}

.flow-step {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--blue-300);
}

.flow-arrow {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===========================
   TECH STACK
   =========================== */
.tech-stack {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.tech-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.tech-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.tech-card-header {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 0.75rem;
}

.tech-emoji {
    font-size: 1.5rem;
}

.tech-card h3 {
    font-size: 1rem;
    font-weight: 700;
}

.tech-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.tech-tag {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: rgba(1, 179, 241, 0.1);
    border: 1px solid rgba(1, 179, 241, 0.2);
    border-radius: 4px;
    font-size: 0.6875rem;
    color: var(--blue-300);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===========================
   SQL FEATURES
   =========================== */
.sql-features {
    padding: var(--section-padding);
}

.sql-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.sql-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.sql-card h4 {
    padding: 1rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.sql-code {
    display: block;
    padding: 1.25rem;
    font-size: 0.8125rem;
    line-height: 1.7;
    white-space: pre;
    overflow-x: auto;
    color: var(--text-secondary);
}

/* ===========================
   QUICKSTART
   =========================== */
.quickstart {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.quickstart-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.625rem 1.25rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

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

.tab-btn.active {
    background: var(--bg-card);
    border-color: var(--blue-500);
    color: var(--text-primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.code-block {
    max-width: 640px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.copy-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.375rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.copy-btn.copied {
    border-color: #4ade80;
    color: #4ade80;
}

.code-block pre {
    padding: 1.25rem;
    overflow-x: auto;
}

.code-block code {
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ===========================
   DOCS
   =========================== */
.docs {
    padding: var(--section-padding);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.doc-card {
    display: block;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
    text-align: center;
}

.doc-card:hover {
    border-color: var(--blue-500);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

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

.doc-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.doc-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.doc-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blue-400);
}

/* ===========================
   CLI TOOLS
   =========================== */
.cli-tools {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
}

.tool-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.tool-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.tool-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tool-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tool-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tool-cmd {
    display: block;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.6875rem;
    color: var(--blue-300);
    overflow-x: auto;
    white-space: nowrap;
}

/* ===========================
   DOWNLOAD
   =========================== */
.download {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.download-card {
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.download-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.download-card-featured {
    border-color: var(--blue-400);
    background: linear-gradient(135deg, rgba(1, 179, 241, 0.05), rgba(1, 179, 241, 0.02));
}

.download-card-featured:hover {
    border-color: var(--blue-300);
}

.download-card-badge {
    position: absolute;
    top: -0.625rem;
    right: 1rem;
    padding: 0.125rem 0.75rem;
    background: var(--blue-400);
    color: var(--bg-primary);
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.download-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.download-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.download-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.download-code {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
    overflow-x: auto;
}

.download-code code {
    font-size: 0.75rem;
    color: var(--blue-300);
    white-space: pre;
    line-height: 1.8;
}

.download-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.download-meta code {
    padding: 0.125rem 0.375rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.6875rem;
    color: var(--blue-300);
}

.download-paths {
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.download-paths h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.path-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.path-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 160px;
    flex-shrink: 0;
}

.path-item code {
    padding: 0.25rem 0.625rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.6875rem;
    color: var(--blue-300);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    flex: 1;
    max-width: 320px;
}

.footer-desc {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

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

/* ===========================
   ANIMATIONS
   =========================== */
[data-animate] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 1rem 1.5rem;
        gap: 0.5rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 0.5rem 0;
        font-size: 1rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-actions .btn-outline {
        display: none;
    }

    .hero {
        padding: 8rem 0 3rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.0625rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .data-flow {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .footer-inner {
        flex-direction: column;
        gap: 2rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .arch-layer-tag {
        display: none;
    }

    .flow-steps {
        gap: 0.25rem;
    }

    .flow-step {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .hero-terminal {
        margin: 0 -0.5rem;
    }

    .terminal-body code {
        font-size: 0.6875rem;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-700);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* --- Selection --- */
::selection {
    background: rgba(1, 179, 241, 0.3);
    color: var(--text-primary);
}