/* ===== CSS Variables & Base ===== */
:root {
    /* Primary Colors - Deep Navy & Gold */
    --primary-900: #0a1628;
    --primary-800: #0f2744;
    --primary-700: #153660;
    --primary-600: #1c4a7e;
    --primary-500: #2563eb;
    --primary-400: #3b82f6;
    --primary-300: #60a5fa;
    
    /* Accent - Warm Gold */
    --accent-500: #d4a574;
    --accent-400: #e4b88a;
    --accent-300: #f0c89e;
    --accent-600: #c4956a;
    
    /* Neutrals */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Semantic */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-900) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
    --gradient-hero: linear-gradient(180deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
    
    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-chinese: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --section-spacing: 120px;
    --container-max: 1280px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(212, 165, 116, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--neutral-50);
    color: var(--neutral-800);
    line-height: 1.6;
    overflow-x: hidden;
}

html[data-lang="zh"] body {
    font-family: var(--font-chinese);
}

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

html[data-lang="zh"] h1,
html[data-lang="zh"] h2,
html[data-lang="zh"] h3,
html[data-lang="zh"] h4 {
    font-family: var(--font-chinese);
    font-weight: 700;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--primary-900);
    box-shadow: var(--shadow-md), 0 0 20px rgba(212, 165, 116, 0.2);
}

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

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.logo-icon {
    color: var(--accent-500);
    font-size: 1.8rem;
}

.logo-accent {
    color: var(--accent-400);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    position: relative;
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-500);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: white;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-cta {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 40% 80%, rgba(212, 165, 116, 0.05) 0%, transparent 30%);
}

.hero-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(212, 165, 116, 0.15);
    border: 1px solid rgba(212, 165, 116, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-400);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease forwards;
}

.badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--accent-500);
    color: var(--primary-900);
    border-radius: 50%;
    font-size: 0.7rem;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    color: white;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s forwards;
    opacity: 0;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent-400), var(--accent-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    z-index: 1;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 1.8rem;
}

.floating-card .card-title {
    display: block;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

.floating-card .card-desc {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
}

.card-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 45%;
    right: 5%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 15%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Section Styles ===== */
section {
    padding: var(--section-spacing) 0;
}

.section-label {
    display: inline-block;
    color: var(--accent-500);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary-900);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--neutral-600);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header .section-desc {
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    color: var(--neutral-600);
    line-height: 1.8;
    margin-bottom: 40px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-50, #eff6ff), var(--primary-100, #dbeafe));
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-family: var(--font-body);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.9rem;
    color: var(--neutral-500);
}

.license-badge {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
    border-radius: var(--radius-md);
    color: white;
}

.license-icon {
    font-size: 2rem;
}

.license-info {
    display: flex;
    flex-direction: column;
}

.license-label {
    font-size: 0.8rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.license-number {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-400);
}

.about-visual {
    position: relative;
}

.visual-card {
    position: relative;
    padding: 60px 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 400px;
    display: flex;
    align-items: flex-end;
}

.visual-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(212, 165, 116, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 40%);
}

.visual-pattern::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border: 60px solid rgba(212, 165, 116, 0.08);
    border-radius: 50%;
}

.trust-indicators {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
}

.trust-icon {
    font-size: 1.5rem;
}

/* ===== Services Section ===== */
.services {
    background: var(--neutral-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    position: relative;
    padding: 40px 32px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.service-card.featured {
    background: var(--gradient-primary);
    color: white;
}

.service-card.featured .service-title,
.service-card.featured .service-desc,
.service-card.featured .service-features li {
    color: white;
}

.service-card.featured .service-features li::before {
    color: var(--accent-400);
}

.service-card.featured .service-link {
    color: var(--accent-400);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    background: var(--accent-500);
    color: var(--primary-900);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.15), rgba(212, 165, 116, 0.05));
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 2rem;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.1);
}

.service-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--neutral-600);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9rem;
    color: var(--neutral-600);
    margin-bottom: 8px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-500);
    font-weight: 700;
}

.service-link {
    color: var(--primary-500);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.service-link:hover {
    color: var(--accent-500);
}

/* ===== Calculator Section ===== */
.calculator {
    background: white;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.calculator-desc {
    font-size: 1.1rem;
    color: var(--neutral-600);
    line-height: 1.8;
    margin-bottom: 32px;
}

.calculator-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--neutral-700);
}

.benefit-icon {
    color: var(--success);
    font-weight: 700;
}

.calculator-form {
    padding: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.calc-input-group {
    margin-bottom: 32px;
}

.calc-input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    opacity: 0.9;
}

.range-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
}

.range-wrapper input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    outline: none;
}

.range-wrapper input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--accent-500);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(212, 165, 116, 0.4);
    transition: transform var(--transition-fast);
}

.range-wrapper input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.range-value {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 150px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
}

.range-value input[type="number"] {
    width: 100px;
    background: none;
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-body);
    text-align: right;
}

.range-value input[type="number"]:focus {
    outline: none;
}

.range-value input[type="number"]::-webkit-inner-spin-button,
.range-value input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 0.75rem;
    opacity: 0.5;
}

.calc-results {
    padding: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

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

.result-item.main {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.result-label {
    display: block;
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-400);
}

.result-item.main .result-value {
    font-size: 2.5rem;
}

.result-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.result-row .result-value {
    font-size: 1.3rem;
}

/* ===== Process Section ===== */
.process {
    background: var(--neutral-100);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    position: relative;
}

.step-item {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--neutral-200);
    line-height: 1;
    margin-bottom: 16px;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 50%;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
}

.step-title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-900);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--neutral-500);
    line-height: 1.6;
}

.step-connector {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--neutral-200), var(--accent-300));
    margin-top: 80px;
    flex-shrink: 0;
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: white;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    padding: 40px 32px;
    background: var(--neutral-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-300);
}

.testimonial-rating {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1.05rem;
    color: var(--neutral-700);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 28px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    color: var(--primary-900);
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50%;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--primary-900);
}

.author-title {
    font-size: 0.85rem;
    color: var(--neutral-500);
}

/* ===== Application Section ===== */
.application {
    background: var(--gradient-primary);
    color: white;
}

.application .section-label {
    color: var(--accent-400);
}

.application .section-title {
    color: white;
}

.application-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: flex-start;
}

.application-desc {
    font-size: 1.1rem;
    opacity: 0.8;
    line-height: 1.8;
    margin-bottom: 32px;
}

.application-guarantees {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    opacity: 0.8;
}

.guarantee-icon {
    font-size: 1.2rem;
}

.application-form {
    padding: 48px;
    background: white;
    border-radius: var(--radius-xl);
    color: var(--neutral-800);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    background: var(--neutral-50);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--neutral-800);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background: white;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--neutral-400);
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 24px 0;
}

.form-consent input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary-500);
}

.form-consent label {
    font-size: 0.9rem;
    color: var(--neutral-600);
    line-height: 1.5;
}

/* ===== Contact Section ===== */
.contact {
    background: var(--neutral-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-desc {
    font-size: 1.1rem;
    color: var(--neutral-600);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-method {
    display: flex;
    gap: 20px;
}

.method-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.method-info h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-900);
    margin-bottom: 4px;
}

.method-info p {
    font-size: 0.95rem;
    color: var(--neutral-600);
}

.contact-map {
    height: 100%;
    min-height: 400px;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    min-height: 400px;
    background: 
        linear-gradient(135deg, var(--primary-100, #dbeafe) 0%, var(--neutral-200) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.map-placeholder:hover {
    box-shadow: var(--shadow-lg);
}

.map-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.map-icon {
    font-size: 3rem;
}

.map-text {
    font-weight: 600;
    color: var(--primary-600);
}

/* ===== Footer ===== */
.footer {
    background: var(--primary-900);
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 0.95rem;
    opacity: 0.7;
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-500);
    color: var(--primary-900);
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

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

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-400);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-license {
    margin-bottom: 16px;
}

.license-badge-small {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.license-badge-small span:first-child {
    opacity: 0.7;
}

.license-badge-small span:last-child {
    color: var(--accent-400);
    font-weight: 600;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.5;
    margin-bottom: 12px;
}

.footer-warning {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--warning);
    padding: 12px 24px;
    background: rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-md);
    display: inline-block;
    margin-top: 8px;
}

/* ===== Chat Widget ===== */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1001;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transition: all var(--transition-base);
}

.chat-toggle:hover {
    transform: scale(1.1);
}

.chat-icon {
    font-size: 1.8rem;
}

.chat-close {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-900);
}

.chat-widget.active .chat-icon {
    display: none;
}

.chat-widget.active .chat-close {
    display: block;
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-base);
}

.chat-widget.active .chat-window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    background: var(--gradient-primary);
    color: white;
}

.chat-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    font-size: 1.5rem;
}

.chat-name {
    display: block;
    font-weight: 600;
}

.chat-status {
    font-size: 0.8rem;
    opacity: 0.8;
}

.chat-status::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    margin-right: 6px;
}

.chat-messages {
    height: 300px;
    padding: 20px;
    overflow-y: auto;
    background: var(--neutral-50);
}

.chat-message {
    max-width: 85%;
    margin-bottom: 16px;
    animation: fadeInUp 0.3s ease;
}

.chat-message p {
    padding: 14px 18px;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    line-height: 1.5;
}

.chat-message.bot {
    text-align: left;
}

.chat-message.bot p {
    background: white;
    color: var(--neutral-800);
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.chat-message.user {
    margin-left: auto;
    text-align: right;
}

.chat-message.user p {
    background: var(--primary-600);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 20px 16px;
    background: var(--neutral-50);
}

.chat-quick-replies button {
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--primary-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-quick-replies button:hover {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.chat-input-area {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--neutral-200);
}

.chat-input-area input {
    flex: 1;
    padding: 12px 18px;
    background: var(--neutral-100);
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.95rem;
}

.chat-input-area input:focus {
    outline: none;
    background: var(--neutral-50);
    box-shadow: 0 0 0 2px var(--primary-300);
}

.chat-input-area button {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chat-input-area button:hover {
    transform: scale(1.1);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .hero-visual {
        width: 400px;
        right: 2%;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    :root {
        --section-spacing: 80px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid,
    .calculator-wrapper,
    .application-wrapper,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0 auto;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-form {
        padding: 32px 24px;
    }
    
    .application-form {
        padding: 32px 24px;
    }
    
    .chat-window {
        width: calc(100vw - 48px);
        max-width: 380px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-divider {
        width: 50px;
        height: 1px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .range-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .range-value {
        justify-content: center;
    }
}

/* ===== Mobile Navigation (expanded) ===== */
@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary-900);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-links.active {
        display: flex;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* ===== Animations ===== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}