/* ==========================================
   餐馆广告 - 高端深色主题
   ========================================== */

/* CSS Variables */
:root {
    --bg-dark: #0a0a0f;
    --bg-section: #111118;
    --bg-card: #1a1a24;
    --bg-card-hover: #222230;
    --gold: #d4a853;
    --gold-light: #e8c97a;
    --gold-dark: #b8912e;
    --accent: #4f7df5;
    --accent-light: #6b93ff;
    --text-primary: #f0f0f5;
    --text-secondary: #9999aa;
    --text-muted: #666678;
    --border-color: rgba(212, 168, 83, 0.15);
    --border-light: rgba(255, 255, 255, 0.06);
    --gradient-gold: linear-gradient(135deg, #d4a853, #e8c97a);
    --gradient-accent: linear-gradient(135deg, #4f7df5, #6b93ff);
    --gradient-dark: linear-gradient(135deg, #0a0a0f 0%, #111118 100%);
    --shadow-gold: 0 4px 30px rgba(212, 168, 83, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   Header / Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--bg-dark);
    font-weight: 700;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-links a {
    padding: 8px 14px;
    font-size: 14px;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold);
    background: rgba(212, 168, 83, 0.08);
}

.nav-cta {
    background: var(--gradient-gold) !important;
    color: var(--bg-dark) !important;
    font-weight: 600 !important;
    padding: 8px 20px !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-gold);
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(79, 125, 245, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 50px;
    font-size: 13px;
    color: var(--gold);
    margin-bottom: 28px;
}

.hero-badge i {
    font-size: 11px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero h1 .highlight {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--border-light);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

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

.btn-outline:hover {
    border-color: var(--gold);
    color: var(--gold);
    background: rgba(212, 168, 83, 0.05);
}

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

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 30px rgba(79, 125, 245, 0.3);
}

.btn-sm {
    padding: 10px 24px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 16px;
}

/* ==========================================
   Section Styles
   ========================================== */
.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-section);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(212, 168, 83, 0.08);
    border: 1px solid rgba(212, 168, 83, 0.15);
    border-radius: 50px;
    font-size: 13px;
    color: var(--gold);
    margin-bottom: 20px;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(212, 168, 83, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--gold);
    margin-bottom: 20px;
}

.card-icon.accent {
    background: rgba(79, 125, 245, 0.1);
    color: var(--accent);
}

.card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 14px;
    color: var(--gold);
    font-weight: 500;
}

.card-link:hover {
    gap: 10px;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* ==========================================
   Pricing Cards
   ========================================== */
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.pricing-card.featured {
    border-color: var(--gold);
    background: linear-gradient(180deg, rgba(212, 168, 83, 0.08) 0%, var(--bg-card) 40%);
}

.pricing-card.featured::before {
    content: '推荐';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-gold);
    color: var(--bg-dark);
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pricing-price {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 4px;
}

.pricing-price span {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 10px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--gold);
    font-size: 12px;
    flex-shrink: 0;
}

/* ==========================================
   Diagnostic Tool Styles
   ========================================== */
.diagnostic-tool {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
}

.diagnostic-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.diagnostic-step.active {
    display: block;
}

.step-progress {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
}

.step-dot {
    flex: 1;
    height: 4px;
    background: var(--border-light);
    border-radius: 4px;
    transition: var(--transition);
}

.step-dot.done {
    background: var(--gradient-gold);
}

.step-dot.current {
    background: var(--gold);
    box-shadow: 0 0 10px rgba(212, 168, 83, 0.4);
}

.step-question {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.option-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 32px;
}

.option-btn {
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.option-btn:hover {
    border-color: var(--gold);
    background: rgba(212, 168, 83, 0.05);
}

.option-btn.selected {
    border-color: var(--gold);
    background: rgba(212, 168, 83, 0.1);
    color: var(--gold);
}

.step-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 24px;
}

/* Diagnostic Result */
.diagnostic-result {
    display: none;
    animation: fadeIn 0.5s ease;
}

.diagnostic-result.active {
    display: block;
}

.result-score {
    text-align: center;
    margin-bottom: 40px;
}

.score-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 6px solid var(--border-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.score-circle::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 6px solid transparent;
    border-top-color: var(--gold);
    border-right-color: var(--gold);
    transform: rotate(-45deg);
}

.score-circle.good::before {
    border-bottom-color: var(--gold);
}

.score-circle.excellent::before {
    border-bottom-color: var(--gold);
    border-left-color: var(--gold);
}

.score-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-label {
    font-size: 14px;
    color: var(--text-muted);
}

.result-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.result-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 20px 24px;
}

.result-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.result-item-label {
    font-size: 15px;
    font-weight: 500;
}

.result-item-score {
    font-size: 14px;
    font-weight: 600;
    color: var(--gold);
}

.result-bar {
    height: 6px;
    background: var(--border-light);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 8px;
}

.result-bar-fill {
    height: 100%;
    background: var(--gradient-gold);
    border-radius: 6px;
    transition: width 1s ease;
}

.result-bar-fill.low {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

.result-bar-fill.medium {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.result-bar-fill.high {
    background: var(--gradient-gold);
}

.result-item-tip {
    font-size: 13px;
    color: var(--text-muted);
}

.result-cta {
    text-align: center;
    padding: 32px;
    background: rgba(212, 168, 83, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.result-cta h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.result-cta p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ==========================================
   Website Diagnostic Input
   ========================================== */
.url-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.url-input {
    flex: 1;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: var(--transition);
}

.url-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.scan-progress {
    display: none;
    margin-bottom: 32px;
}

.scan-progress.active {
    display: block;
}

.scan-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.scan-item i {
    width: 20px;
    text-align: center;
}

.scan-item.done i {
    color: #10b981;
}

.scan-item.scanning i {
    color: var(--gold);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   AI Demo Section
   ========================================== */
.ai-demo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.ai-demo-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.ai-demo-body {
    padding: 28px;
}

.ai-demo-input {
    width: 100%;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    transition: var(--transition);
}

.ai-demo-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79, 125, 245, 0.1);
}

.ai-demo-output {
    margin-top: 16px;
    padding: 20px;
    background: rgba(79, 125, 245, 0.05);
    border: 1px solid rgba(79, 125, 245, 0.15);
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    min-height: 60px;
    display: none;
}

.ai-demo-output.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.ai-typing {
    display: inline-block;
}

.ai-typing::after {
    content: '|';
    animation: blink 0.8s infinite;
    color: var(--accent);
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ==========================================
   Cases / Testimonials
   ========================================== */
.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.case-image {
    height: 200px;
    background: var(--bg-section);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--gold);
    position: relative;
    overflow: hidden;
}

.case-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg-card));
}

.case-body {
    padding: 28px;
}

.case-category {
    font-size: 12px;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.case-body h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.case-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.7;
}

.case-metrics {
    display: flex;
    gap: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.case-metric {
    text-align: center;
}

.case-metric-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold);
}

.case-metric-label {
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================
   Counter Animation
   ========================================== */
.counter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.counter-item {
    padding: 32px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}

.counter-value {
    font-size: 40px;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.counter-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* ==========================================
   Process Steps
   ========================================== */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 700px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 24px;
    position: relative;
}

.process-step:not(:last-child) {
    padding-bottom: 40px;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 56px;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}

.step-number {
    width: 50px;
    height: 50px;
    background: rgba(212, 168, 83, 0.1);
    border: 2px solid var(--gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 18px;
    margin-bottom: 8px;
    padding-top: 12px;
}

.step-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   FAQ Accordion
   ========================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--gold);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
    color: var(--gold);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   Contact Form
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    background: rgba(212, 168, 83, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 18px;
    flex-shrink: 0;
}

.contact-info-text h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.contact-info-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239999aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--gold);
}

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

/* ==========================================
   CTA Banner
   ========================================== */
.cta-banner {
    background: linear-gradient(135deg, rgba(212, 168, 83, 0.1) 0%, rgba(79, 125, 245, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-banner h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ==========================================
   Tabs
   ========================================== */
.tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 4px;
    margin-bottom: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    font-size: 14px;
    color: var(--text-secondary);
    border: none;
    background: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

.tab-btn.active {
    background: rgba(212, 168, 83, 0.1);
    color: var(--gold);
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

/* ==========================================
   Page Header (Inner Pages)
   ========================================== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: var(--bg-section);
    border-bottom: 1px solid var(--border-light);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-muted);
}

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

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

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
    .hero h1 { font-size: 40px; }
    .section-title { font-size: 32px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .counter-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 16px;
        padding: 14px 16px;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero h1 { font-size: 32px; }
    .hero-desc { font-size: 16px; }
    .hero-actions { flex-direction: column; }
    .hero-stats { flex-wrap: wrap; gap: 24px; }

    .section { padding: 64px 0; }
    .section-title { font-size: 28px; }
    .section-header { margin-bottom: 40px; }

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .pricing-card { padding: 32px 24px; }

    .diagnostic-tool { padding: 28px 20px; }
    .option-group { grid-template-columns: 1fr; }

    .cta-banner {
        padding: 40px 24px;
    }

    .cta-banner h2 { font-size: 24px; }
    .cta-banner .btn-group { flex-direction: column; align-items: center; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .page-header {
        padding: 110px 0 40px;
    }

    .page-header h1 { font-size: 30px; }

    .url-input-group { flex-direction: column; }

    .tabs { justify-content: flex-start; overflow-x: auto; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 28px; }
    .stat-number { font-size: 28px; }
    .counter-value { font-size: 32px; }
    .pricing-price { font-size: 34px; }
    .score-number { font-size: 40px; }
}