/* =========================================
   Auriton - CSS Stylesheet
   Security Consulting Brand
   Navy & White Professional Theme
   ========================================= */

/* -----------------------------------------
   CSS Custom Properties (Variables)
   ----------------------------------------- */
:root {
    /* Primary Colors - Navy Palette */
    --color-navy-900: #0A1628;
    --color-navy-800: #0F2140;
    --color-navy-700: #1A2A4A;
    --color-navy-600: #1E3A5F;
    --color-navy-500: #2A4A7A;
    --color-navy-400: #3B5998;
    --color-navy-300: #4A90D9;
    --color-navy-200: #7BB3E8;
    --color-navy-100: #B8D4F0;
    --color-navy-50: #E8F1FA;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;

    /* Accent Colors */
    --color-accent: #4A90D9;
    --color-accent-light: #7BB3E8;
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;

    /* Spacing */
    --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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.05);
    --shadow-md: 0 4px 6px rgba(10, 22, 40, 0.07), 0 2px 4px rgba(10, 22, 40, 0.06);
    --shadow-lg: 0 10px 15px rgba(10, 22, 40, 0.1), 0 4px 6px rgba(10, 22, 40, 0.05);
    --shadow-xl: 0 20px 25px rgba(10, 22, 40, 0.1), 0 10px 10px rgba(10, 22, 40, 0.04);
    --shadow-glow: 0 0 40px rgba(74, 144, 217, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

ul,
ol {
    list-style: none;
}

/* -----------------------------------------
   Container
   ----------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* -----------------------------------------
   Navigation
   ----------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-navy-800);
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.25rem;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--color-gray-600);
    padding: var(--space-sm) 0;
    position: relative;
}

.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 {
    color: var(--color-navy-700);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.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);
}

/* -----------------------------------------
   Buttons
   ----------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-navy-600) 0%, var(--color-navy-800) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(26, 42, 74, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 42, 74, 0.35);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-navy-700);
    border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
    border-color: var(--color-navy-300);
    background: var(--color-navy-50);
}

.btn-submit {
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--color-navy-600) 0%, var(--color-navy-800) 100%);
    color: var(--color-white);
    font-size: 1.1rem;
    box-shadow: 0 4px 14px rgba(26, 42, 74, 0.25);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 42, 74, 0.35);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit .btn-loading {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: flex;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

.spinner circle {
    stroke-dasharray: 40;
    stroke-dashoffset: 30;
}

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

/* -----------------------------------------
   Hero Section
   ----------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-3xl)) var(--container-padding) var(--space-3xl);
    background: linear-gradient(135deg, var(--color-navy-50) 0%, var(--color-white) 50%, var(--color-navy-50) 100%);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(74, 144, 217, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(26, 42, 74, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 600px;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-navy-100);
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-navy-500);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy-800);
    margin-bottom: var(--space-lg);
}

.hero-line {
    display: block;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.hero-line:nth-child(1) {
    animation-delay: 0.1s;
}

.hero-line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-line.highlight {
    background: linear-gradient(135deg, var(--color-navy-600) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.15;
    z-index: 0;
}

.shield-icon {
    width: 300px;
    height: 360px;
    animation: float 6s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* -----------------------------------------
   Section Styles
   ----------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-navy-800);
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-500);
}

/* -----------------------------------------
   Services Section
   ----------------------------------------- */
.services {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

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

.service-card.featured {
    background: linear-gradient(135deg, var(--color-navy-700) 0%, var(--color-navy-800) 100%);
    border-color: transparent;
}

.service-card.featured:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.service-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-navy-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-navy-600);
}

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

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-navy-800);
    margin-bottom: var(--space-md);
}

.service-card.featured h3 {
    color: var(--color-white);
}

.service-card p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    word-break: keep-all;
}

.service-card.featured p {
    color: rgba(255, 255, 255, 0.8);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--color-navy-50);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.service-card.featured .service-features li::before {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.service-card-secondary {
    background: var(--color-gray-50);
}

.service-note {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px dashed var(--color-gray-200);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    line-height: 1.6;
}

/* -----------------------------------------
   About Section
   ----------------------------------------- */
.about {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-content .section-tag {
    display: block;
    margin-bottom: var(--space-md);
}

.about-content h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-navy-800);
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

.about-content > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
    word-break: keep-all;
}

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

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-navy-700);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.visual-card {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.visual-card:first-child {
    grid-column: span 2;
}

.visual-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.visual-card span:last-child {
    display: block;
    font-weight: 600;
    color: var(--color-navy-700);
}

/* -----------------------------------------
   Contact Section
   ----------------------------------------- */
.contact {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-navy-50) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info .section-tag {
    display: block;
    margin-bottom: var(--space-md);
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-navy-800);
    margin-bottom: var(--space-md);
}

.contact-info > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
    word-break: keep-all;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    color: var(--color-navy-700);
    margin-bottom: var(--space-xs);
}

.contact-item span {
    color: var(--color-gray-600);
}

/* Form Card */
.form-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.form-header {
    padding: var(--space-xl) var(--space-2xl);
    background: linear-gradient(135deg, var(--color-navy-700) 0%, var(--color-navy-800) 100%);
    color: var(--color-white);
}

.form-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.form-header p {
    opacity: 0.8;
    font-size: 0.9375rem;
}

.quote-form {
    padding: var(--space-2xl);
}

/* Form Groups */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--color-navy-700);
    margin-bottom: var(--space-sm);
}

.required {
    color: var(--color-error);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    color: var(--color-gray-800);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    background: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(74, 144, 217, 0.1);
}

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

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--color-error);
    background: #FEF2F2;
}

.error-message {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
    min-height: 1.2em;
}

/* Service Selection */
.service-selection {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.service-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.service-option:hover {
    background: var(--color-navy-50);
}

.service-option input {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-custom::after {
    content: '✓';
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 700;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.service-option input:checked + .checkbox-custom {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.service-option input:checked + .checkbox-custom::after {
    opacity: 1;
    transform: scale(1);
}

.service-option input:checked ~ .option-content {
    color: var(--color-navy-700);
}

.option-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

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

.option-text {
    display: flex;
    flex-direction: column;
}

.option-text strong {
    font-weight: 600;
    color: var(--color-navy-700);
}

.option-text small {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Privacy Checkbox */
.checkbox-group {
    margin-top: var(--space-lg);
}

/* 1. 전체 레이아웃 */
.privacy-checkbox {
    display: flex;
    align-items: flex-start; /* 텍스트가 길어져도 체크박스는 상단 고정 */
    gap: 12px;
    cursor: pointer;
    position: relative;
    user-select: none;
    margin-top: 10px;
}

/* 2. 실제 체크박스 숨기기 (보안 및 커스텀 디자인용) */
.privacy-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* 3. 눈에 보이는 가짜 체크박스 (기본 상태) */
.checkbox-custom {
    flex-shrink: 0; /* 박스 크기 고정 */
    height: 20px;
    width: 20px;
    background-color: #fff;
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: inline-block;
    position: relative;
}

/* 4. 마우스를 올렸을 때 효과 */
.privacy-checkbox:hover input ~ .checkbox-custom {
    border-color: #001f3f; /* Auriton 네이비 */
}

/* 5. ✅ 체크되었을 때 스타일 (배경색 변경) */
.privacy-checkbox input:checked ~ .checkbox-custom {
    background-color: #001f3f; /* Auriton 네이비 */
    border-color: #001f3f;
}

/* 6. ✅ 체크되었을 때 흰색 체크 표시(V) 나타내기 */
.checkbox-custom::after {
    content: "";
    position: absolute;
    display: none; /* 기본은 숨김 */
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 7. 체크된 상태에서만 V 표시 보이기 */
.privacy-checkbox input:checked ~ .checkbox-custom::after {
    display: block;
}

/* 8. 텍스트 스타일 */
.privacy-text {
    font-size: 14px;
    color: #444;
    line-height: 1.5;
}

/* 9. 개인정보 링크 스타일 (페이지 상단 튕김 방지용 색상) */
.privacy-link {
    color: var(--color-accent);
    text-decoration: underline;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.privacy-link:hover {
    color: var(--color-navy-700);
    text-decoration: underline;
}

.privacy-link:visited {
    color: var(--color-accent);
}

/* Form Message */
.form-message {
    display: none;
    padding: var(--space-md) var(--space-lg);
    margin: 0 var(--space-2xl) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 500;
}

/* Inquiry Type Selection */
.inquiry-type-selection {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.inquiry-type-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.inquiry-type-option:hover {
    background: var(--color-navy-50);
}

.inquiry-type-option input {
    display: none;
}

.radio-custom {
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.radio-custom::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-fast);
}

.inquiry-type-option input:checked + .radio-custom {
    border-color: var(--color-accent);
}

.inquiry-type-option input:checked + .radio-custom::after {
    opacity: 1;
    transform: scale(1);
}

.inquiry-type-option input:checked ~ .option-label {
    color: var(--color-navy-700);
    font-weight: 500;
}

.option-label {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* Inquiry Checklist */
.inquiry-checklist-group {
    margin-bottom: var(--space-lg);
}

.inquiry-checklist {
    display: none;
    padding: var(--space-lg);
    background: var(--color-navy-50);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-accent);
}

.inquiry-checklist.active {
    display: block;
}

.checklist-title {
    display: block;
    font-weight: 600;
    color: var(--color-navy-700);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.checklist-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.checklist-items li {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    padding-left: var(--space-md);
    position: relative;
}

.checklist-items li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.form-message.success {
    display: block;
    background: #ECFDF5;
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message.error {
    display: block;
    background: #FEF2F2;
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

/* -----------------------------------------
   Footer
   ----------------------------------------- */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--color-navy-800);
    color: var(--color-white);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

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

    .service-card:last-child {
        grid-column: span 2;
    }

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

    .about-visual {
        order: -1;
    }

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

    .hero-visual {
        right: 5%;
        opacity: 0.1;
    }

    .shield-icon {
        width: 200px;
        height: 240px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

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

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .hero {
        text-align: center;
        padding-top: calc(70px + var(--space-2xl));
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .mobile-break {
        display: block;
    }

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

    .service-card,
    .service-card:last-child {
        grid-column: span 1;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .about-visual {
        grid-template-columns: 1fr;
    }

    .visual-card:first-child {
        grid-column: span 1;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

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

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

@media (max-width: 480px) {
    .btn {
        padding: var(--space-md);
        font-size: 0.9375rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .service-card {
        padding: var(--space-xl);
    }

    .quote-form {
        padding: var(--space-lg);
    }

    .form-header {
        padding: var(--space-lg);
    }

    .service-option {
        padding: var(--space-md);
    }

    .option-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

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

/* -----------------------------------------
   Accessibility & Print
   ----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

@media print {
    .navbar,
    .hero-visual,
    .btn {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
    }
}