/**
 * 대구 필름시공 - Main Stylesheet
 * Mobile-first responsive design
 *
 * Color Scheme:
 * - Primary: #2264e6 (청색, 신뢰감)
 * - Accent: #ffc700 (노랑, 친근함)
 * - Success: #00d89f (그린, 강조)
 * - Text: #232323 (딥그레이)
 * - Background: #ffffff
 */

/* ==========================================
   CSS Variables
   ========================================== */
:root {
    /* Colors */
    --color-primary: #2264e6;
    --color-primary-dark: #1a4eb8;
    --color-primary-light: #4a85f0;
    --color-accent: #ffc700;
    --color-accent-dark: #d9a900;
    --color-success: #00d89f;
    --color-success-dark: #00b584;
    --color-text: #232323;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-dark: #f0f2f5;
    --color-border: #e0e0e0;
    --color-border-light: #eeeeee;

    /* Typography */
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    --line-height-base: 1.6;
    --line-height-tight: 1.3;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 16px;
    --header-height: 60px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

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

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

/* Accessibility */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 9999;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: #fff;
}

.skip-link:focus {
    left: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

/* ==========================================
   Header
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
}

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--border-radius);
    font-size: var(--font-size-lg);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: var(--spacing-sm);
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Navigation */
.main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 999;
}

.main-nav.active {
    transform: translateX(0);
}

.nav-list {
    padding: var(--spacing-lg);
}

.nav-list > li {
    border-bottom: 1px solid var(--color-border-light);
}

.nav-list > li > a {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text);
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
    color: var(--color-primary);
}

/* Submenu */
.submenu {
    padding-left: var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.has-submenu.open .submenu {
    max-height: 300px;
}

.submenu li a {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-text-light);
    font-size: var(--font-size-base);
}

.submenu li a:hover {
    color: var(--color-primary);
}

/* User Menu */
.user-menu {
    display: none;
}

.user-menu a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.btn-login, .btn-user {
    color: var(--color-text);
}

.btn-login:hover, .btn-user:hover {
    color: var(--color-primary);
}

.btn-register {
    background: var(--color-primary);
    color: #fff !important;
}

.btn-register:hover {
    background: var(--color-primary-dark);
}

.btn-logout {
    color: var(--color-text-muted);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}

.mobile-menu-overlay.active {
    display: block;
}

/* ==========================================
   Main Content
   ========================================== */
.main-content {
    padding-top: var(--header-height);
    min-height: 100vh;
}

.page-main-title {
    text-align: center;
    padding: var(--spacing-xl) var(--container-padding);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

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

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

.btn-secondary {
    background: var(--color-bg-dark);
    color: var(--color-text);
    border-color: var(--color-border);
}

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

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

.btn-success:hover {
    background: var(--color-success-dark);
    border-color: var(--color-success-dark);
    color: #fff;
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
}

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

.btn-light:hover {
    background: var(--color-bg-light);
    color: var(--color-primary-dark);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--color-primary);
}

/* ==========================================
   Section Styles
   ========================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.section-desc {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    text-align: center;
    padding: var(--spacing-3xl) var(--container-padding);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
    background-size: 200px;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-subtitle {
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

.hero-title strong {
    color: var(--color-accent);
}

.hero-desc {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ==========================================
   Quote Section
   ========================================== */
.quote-section {
    background: var(--color-bg-light);
}

.quote-calculator {
    max-width: 700px;
    margin: 0 auto;
    background: var(--color-bg);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.form-step {
    display: none;
}

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

.step-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 700;
}

/* Option Grid */
.option-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

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

.option-card {
    cursor: pointer;
}

.option-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-light);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition-fast);
}

.option-content i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.option-content span {
    font-weight: 600;
    color: var(--color-text);
}

.option-content small {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.option-content .price-tag {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 2px var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-style: normal;
    background: var(--color-accent);
    color: var(--color-text);
    border-radius: 20px;
}

.option-card input:checked + .option-content {
    border-color: var(--color-primary);
    background: rgba(34, 100, 230, 0.05);
}

.option-card:hover .option-content {
    border-color: var(--color-primary-light);
}

/* Input Styles */
.input-wrap {
    margin-bottom: var(--spacing-md);
}

.input-wrap label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
}

.input-wrap input,
.input-wrap select,
.input-wrap textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.input-wrap input:focus,
.input-wrap select:focus,
.input-wrap textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.input-with-unit {
    display: flex;
    gap: var(--spacing-sm);
}

.input-with-unit input {
    flex: 1;
}

.input-with-unit select {
    width: auto;
    min-width: 80px;
}

.input-help {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.contact-input-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.input-wrap.full-width {
    grid-column: 1 / -1;
}

/* Form Navigation */
.form-navigation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

.form-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.form-progress .progress-bar {
    width: 100%;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-bg-dark);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    white-space: nowrap;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Step Indicators */
.step-indicator {
    padding: 6px 12px;
    background: var(--color-bg-dark);
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-text-muted);
    transition: all 0.3s ease;
}

.step-indicator.active {
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

.step-indicator.completed {
    background: var(--color-success);
    color: #fff;
}

.step-indicator.completed:hover {
    background: var(--color-success-dark);
    transform: scale(1.05);
}

/* Quote Result */
.quote-result {
    text-align: center;
}

.result-header {
    margin-bottom: var(--spacing-xl);
}

.result-header i {
    font-size: 60px;
    color: var(--color-success);
    margin-bottom: var(--spacing-md);
}

.result-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.result-body {
    background: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
}

.result-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.result-price .label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.result-price .price {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
}

.result-price .unit {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
}

.result-details {
    text-align: left;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.result-details li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px dotted var(--color-border);
}

.result-note {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-md);
}

.result-footer {
    padding-top: var(--spacing-lg);
}

.result-message {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    color: var(--color-success);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================
   Services Section
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-base);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    font-size: var(--font-size-2xl);
    border-radius: var(--border-radius-lg);
}

.service-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

/* ==========================================
   Why Section
   ========================================== */
.why-section {
    background: var(--color-bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.why-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.why-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-text);
    font-size: var(--font-size-xl);
    border-radius: var(--border-radius);
}

.why-item h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.why-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ==========================================
   Portfolio Section
   ========================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.portfolio-card {
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.portfolio-card:hover {
    box-shadow: var(--shadow-md);
}

.portfolio-image {
    position: relative;
    padding-top: 66.67%;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.portfolio-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.placeholder-img {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
}

.placeholder-img i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.portfolio-info {
    padding: var(--spacing-md);
}

.portfolio-tag {
    display: inline-block;
    padding: 2px var(--spacing-sm);
    font-size: var(--font-size-xs);
    background: var(--color-primary);
    color: #fff;
    border-radius: 20px;
    margin-bottom: var(--spacing-xs);
}

.portfolio-info h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
}

/* ==========================================
   Process Section
   ========================================== */
.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: #fff;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border-radius: 50%;
}

.step-content h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-section {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: left;
    color: var(--color-text);
    transition: var(--transition-fast);
}

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

.faq-question i {
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
    background: #1a1a2e;
    color: #fff;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.footer-about p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.footer-contact p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xs);
}

.footer-contact i {
    width: 20px;
    color: var(--color-accent);
}

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li a {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.7);
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    color: #fff;
}

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.5);
}

/* ==========================================
   Floating Menu
   ========================================== */
.floating-menu {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 100;
}

.floating-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
    color: #fff;
}

.floating-btn.call {
    background: var(--color-success);
}

.floating-btn.quote {
    background: var(--color-primary);
}

.floating-btn.top {
    background: var(--color-text);
}

.floating-btn:hover {
    transform: scale(1.1);
}

/* ==========================================
   Form Styles (Auth Pages)
   ========================================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--container-padding);
    background: var(--color-bg-light);
}

.auth-container {
    width: 100%;
    max-width: 440px;
    background: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header .logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.auth-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.auth-form .input-wrap {
    margin-bottom: var(--spacing-lg);
}

.auth-form .btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

.auth-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

.auth-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

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

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.form-message.error {
    background: #fdeaea;
    color: #c0392b;
    border: 1px solid #f5c6cb;
}

.form-message.success {
    background: #e8f8f0;
    color: #27ae60;
    border: 1px solid #c3e6cb;
}

/* ==========================================
   Page Content Styles
   ========================================== */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    text-align: center;
    padding: var(--spacing-2xl) var(--container-padding);
}

.page-hero h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.page-content {
    padding: var(--spacing-2xl) 0;
}

.content-box {
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.content-box h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.content-box p, .content-box li {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.content-box ul {
    padding-left: var(--spacing-lg);
}

.content-box ul li {
    list-style: disc;
}

/* ==========================================
   Mypage Styles
   ========================================== */
.mypage-container {
    max-width: 800px;
    margin: 0 auto;
}

.mypage-card {
    background: var(--color-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.mypage-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.info-row {
    display: flex;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px dotted var(--color-border-light);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    width: 100px;
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.info-value {
    flex: 1;
    font-size: var(--font-size-sm);
}

.withdraw-link {
    display: block;
    text-align: right;
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    opacity: 0.6;
}

.withdraw-link:hover {
    opacity: 1;
}

/* ==========================================
   Sitemap Styles
   ========================================== */
.sitemap-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.sitemap-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.sitemap-section ul {
    padding-left: var(--spacing-md);
}

.sitemap-section li {
    margin-bottom: var(--spacing-sm);
}

.sitemap-section li a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.sitemap-section li a:hover {
    color: var(--color-primary);
}

/* ==========================================
   Responsive - Tablet (768px+)
   ========================================== */
@media (min-width: 768px) {
    :root {
        --container-padding: 24px;
        --header-height: 70px;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

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

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

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

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

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

    .process-timeline {
        flex-direction: row;
        justify-content: space-between;
    }

    .process-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
        flex: 1;
    }

    .cta-buttons {
        flex-direction: row;
    }

    .footer-top {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

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

/* ==========================================
   Responsive - Desktop (1024px+)
   ========================================== */
@media (min-width: 1024px) {
    :root {
        --container-padding: 32px;
    }

    /* Show desktop nav */
    .mobile-menu-toggle {
        display: none;
    }

    .main-nav {
        position: static;
        transform: none;
        background: transparent;
        overflow: visible;
    }

    .nav-list {
        display: flex;
        align-items: center;
        gap: var(--spacing-lg);
        padding: 0;
    }

    .nav-list > li {
        border-bottom: none;
    }

    .nav-list > li > a {
        padding: var(--spacing-sm) 0;
        font-size: var(--font-size-sm);
    }

    .has-submenu {
        position: relative;
    }

    .submenu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        min-width: 160px;
        background: var(--color-bg);
        box-shadow: var(--shadow-md);
        border-radius: var(--border-radius);
        padding: var(--spacing-sm);
        max-height: 0;
        opacity: 0;
        visibility: hidden;
    }

    .has-submenu:hover .submenu {
        max-height: 300px;
        opacity: 1;
        visibility: visible;
    }

    .submenu li a {
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--border-radius);
    }

    .submenu li a:hover {
        background: var(--color-bg-light);
    }

    .user-menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

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

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

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

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

/* ==========================================
   Utility Classes
   ========================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }