/* ==========================================================================
   TRX-RENT.COM — Design System
   Blockchain Infrastructure & Education Platform
   ========================================================================== */

/* ---------- 1. CSS Custom Properties (Design Tokens) ---------- */
:root {
    /* Brand Palette */
    --color-primary: #6C5CE7;
    --color-primary-light: #A29BFE;
    --color-primary-dark: #4B3EC2;
    --color-accent: #00CEC9;
    --color-accent-light: #55EFC4;
    --color-accent-dark: #00B5AD;

    /* Neutrals */
    --color-bg-dark: #0B0D17;
    --color-bg-card: #13152A;
    --color-bg-card-hover: #1A1D35;
    --color-bg-elevated: #1E2140;
    --color-border: rgba(108, 92, 231, 0.15);
    --color-border-hover: rgba(108, 92, 231, 0.35);
    --color-text-primary: #F0F0F5;
    --color-text-secondary: #9CA3AF;
    --color-text-muted: #6B7280;

    /* Status */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', 'JetBrains Mono', monospace;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow-primary: 0 0 30px rgba(108, 92, 231, 0.25);
    --shadow-glow-accent: 0 0 30px rgba(0, 206, 201, 0.2);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;
}

/* ---------- 2. 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: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

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

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

/* ---------- 3. Layout Utilities ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
}

.section--alt {
    background: linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-dark) 100%);
}

.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.flex {
    display: flex;
    align-items: center;
}

.flex--between {
    justify-content: space-between;
}

.flex--center {
    justify-content: center;
}

.flex--gap-sm { gap: var(--space-sm); }
.flex--gap-md { gap: var(--space-md); }
.flex--gap-lg { gap: var(--space-lg); }

.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- 4. Header / Navigation ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(11, 13, 23, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-base);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.site-header__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text-primary);
    letter-spacing: -0.5px;
}

.site-header__logo span {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    background: var(--color-primary);
    color: #fff !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    color: #fff !important;
}

.nav-cta::after { display: none !important; }

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    margin: 5px 0;
    transition: var(--transition-base);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- 5. Hero Section ---------- */
.hero {
    position: relative;
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.1), transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite reverse;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.35rem 1rem;
    background: rgba(108, 92, 231, 0.12);
    border: 1px solid rgba(108, 92, 231, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero h1 {
    margin-bottom: var(--space-lg);
}

.hero__subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 560px;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    z-index: 2;
}

.hero__visual img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
}

/* ---------- 6. Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.75rem;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: var(--shadow-glow-primary);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(108, 92, 231, 0.4);
    color: #fff;
}

.btn--secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-hover);
}

.btn--secondary:hover {
    background: rgba(108, 92, 231, 0.08);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    color: var(--color-text-primary);
}

.btn--accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg-dark);
    font-weight: 700;
}

.btn--accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-accent);
    color: var(--color-bg-dark);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

/* ---------- 7. Cards ---------- */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card:hover::before {
    opacity: 1;
}

.card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
}

.card__title {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.card__text {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.card__tag {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    background: rgba(0, 206, 201, 0.1);
    color: var(--color-accent);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

/* ---------- 8. Section Headers ---------- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header__label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
}

/* ---------- 9. Steps / Process ---------- */
.steps {
    counter-reset: step-counter;
}

.step {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    counter-increment: step-counter;
    transition: all var(--transition-base);
}

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

.step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
}

.step__content h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.15rem;
}

.step__content p {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ---------- 10. Pricing Toggle ---------- */
.pricing-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2xl);
}

.pricing-toggle__label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pricing-toggle__label.active {
    background: var(--color-primary);
    color: #fff;
}

.pricing-toggle__label:hover:not(.active) {
    color: var(--color-text-primary);
}

.pricing-toggle__badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border-radius: var(--radius-full);
}

/* Pricing Cards */
.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

.pricing-card--featured::after {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.pricing-card__name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.pricing-card__price {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.pricing-card__price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.pricing-card__desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.pricing-card__features {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.pricing-card__features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(108, 92, 231, 0.06);
}

.pricing-card__features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.85rem;
}

/* ---------- 11. Trust Badges ---------- */
.trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    padding: var(--space-xl) 0;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.trust-bar:hover {
    opacity: 1;
}

.trust-bar__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.trust-bar__item svg,
.trust-bar__item img {
    width: 24px;
    height: 24px;
    opacity: 0.7;
}

/* ---------- 12. Footer ---------- */
.site-footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-top: var(--space-md);
}

.footer-col__title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom__copy {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.footer-bottom__badges {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.footer-bottom__badges span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.78rem;
    color: var(--color-text-muted);
    padding: 0.3rem 0.8rem;
    background: rgba(108, 92, 231, 0.06);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

/* ---------- 13. Forms ---------- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239CA3AF' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.form-check input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

.form-check label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 0;
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
    display: none;
}

.form-group.error .form-control {
    border-color: var(--color-error);
}

.form-group.error .form-error {
    display: block;
}

/* ---------- 14. Toast Notifications ---------- */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 320px;
    max-width: 420px;
    animation: toast-in 0.4s ease forwards;
    font-size: 0.9rem;
}

.toast--success { border-left: 3px solid var(--color-success); }
.toast--error { border-left: 3px solid var(--color-error); }
.toast--warning { border-left: 3px solid var(--color-warning); }

.toast__close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* ---------- 15. Code Snippets ---------- */
.code-block {
    background: #0D0F1A;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: var(--space-lg) 0;
}

.code-block__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: rgba(108, 92, 231, 0.06);
    border-bottom: 1px solid var(--color-border);
}

.code-block__dots {
    display: flex;
    gap: 6px;
}

.code-block__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-block__dots span:nth-child(1) { background: #EF4444; }
.code-block__dots span:nth-child(2) { background: #F59E0B; }
.code-block__dots span:nth-child(3) { background: #10B981; }

.code-block__lang {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.code-block pre {
    padding: var(--space-lg);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.code-block pre .code-keyword { color: var(--color-primary-light); }
.code-block pre .code-string { color: var(--color-accent); }
.code-block pre .code-comment { color: var(--color-text-muted); font-style: italic; }
.code-block pre .code-func { color: #FBBF24; }

/* ---------- 16. Stats / Metrics ---------- */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
    padding: var(--space-2xl) 0;
}

.stat {
    text-align: center;
}

.stat__value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat__label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

/* ---------- 17. Sidebar Filters (Catalog) ---------- */
.catalog-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-2xl);
}

.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    align-self: flex-start;
}

.sidebar__section {
    margin-bottom: var(--space-xl);
}

.sidebar__title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.filter-btn {
    display: block;
    width: 100%;
    padding: 0.6rem 1rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 0.88rem;
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-xs);
}

.filter-btn:hover {
    background: rgba(108, 92, 231, 0.06);
    color: var(--color-text-primary);
}

.filter-btn.active {
    background: rgba(108, 92, 231, 0.12);
    border-color: var(--color-border-hover);
    color: var(--color-primary-light);
    font-weight: 600;
}

/* ---------- 18. Product Detail ---------- */
.product-hero {
    padding-top: calc(var(--header-height) + var(--space-3xl));
}

.product-hero .grid--2 {
    align-items: center;
}

.product-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.product-meta__item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    padding: 0.3rem 0.8rem;
    background: rgba(108, 92, 231, 0.06);
    border-radius: var(--radius-full);
}

.product-tabs {
    display: flex;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.product-tabs button {
    padding: var(--space-md) var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-tabs button.active {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary);
}

.product-tabs button:hover {
    color: var(--color-text-primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ---------- 19. Contact / Map ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact-info__item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-info__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 92, 231, 0.1);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info__text h4 {
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
}

.contact-info__text p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin: 0;
}

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    height: 320px;
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(0.8) invert(0.92) contrast(0.85);
}

/* ---------- 20. About Page ---------- */
.about-hero {
    padding-top: calc(var(--header-height) + var(--space-3xl));
}

.timeline {
    position: relative;
    padding-left: var(--space-3xl);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 14px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.timeline__item {
    position: relative;
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-3xl) + 8px);
    top: var(--space-xl);
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border: 3px solid var(--color-bg-dark);
    border-radius: 50%;
}

.timeline__year {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-sm);
}

/* ---------- 21. Legal Pages ---------- */
.legal-content {
    padding-top: calc(var(--header-height) + var(--space-3xl));
    max-width: 860px;
    margin: 0 auto;
}

.legal-content h1 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.legal-content .legal-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3xl);
}

.legal-content h2 {
    font-size: 1.35rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
    font-size: 1.1rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.legal-content p,
.legal-content li {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.legal-content ul {
    padding-left: var(--space-xl);
    margin-bottom: var(--space-md);
}

.legal-content ul li {
    list-style: disc;
    margin-bottom: var(--space-sm);
}

/* ---------- 22. Animations ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-24px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- 23. Page Header (Inner Pages) ---------- */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-3xl));
    padding-bottom: var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(108, 92, 231, 0.1), transparent 70%);
}

.page-header h1 {
    position: relative;
    z-index: 2;
}

.page-header p {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: var(--space-md) auto 0;
    font-size: 1.05rem;
}

.breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-text-muted);
}

.breadcrumb a:hover {
    color: var(--color-primary-light);
}

.breadcrumb span {
    color: var(--color-text-muted);
}

/* ---------- 24. Responsive ---------- */
@media (max-width: 1024px) {
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .catalog-layout { grid-template-columns: 220px 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--space-md); }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11, 13, 23, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-xl);
        z-index: 999;
    }

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

    .nav-links a {
        font-size: 1.2rem;
    }

    .menu-toggle { display: block; }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-2xl));
        padding-bottom: var(--space-2xl);
    }

    .hero .grid--2 {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }

    .stats-row { gap: var(--space-xl); }

    .stat__value { font-size: 2rem; }

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

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

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .hero__actions {
        flex-direction: column;
    }

    .pricing-card__price { font-size: 2rem; }

    .section { padding: var(--space-2xl) 0; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .hero__subtitle { font-size: 1rem; }

    .trust-bar { gap: var(--space-lg); }

    .step { flex-direction: column; }
}