/* ========================================
   Leaders&Readers Premium Website
   Premium/Luxury Design System
   ======================================== */

/* ----------------------------------------
   CSS Variables (Theme System)
   ---------------------------------------- */
:root {
    /* Dark Theme (Default) */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #141414;

    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;

    --gold-primary: #c9a962;
    --gold-secondary: #b8943d;
    --gold-light: #dfc88a;
    --gold-dark: #8a6f30;

    --border-color: #2a2a2a;
    --border-gold: rgba(201, 169, 98, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(201, 169, 98, 0.15);

    /* Typography */
    --font-serif: 'Cormorant Garamond', 'Noto Serif KR', Georgia, serif;
    --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f0f0;
    --bg-card: #ffffff;

    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-tertiary: #888888;

    --gold-primary: #9a7b3d;
    --gold-secondary: #7d6232;
    --gold-light: #c9a962;
    --gold-dark: #5a4520;

    --border-color: #e0e0e0;
    --border-gold: rgba(154, 123, 61, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-gold: 0 4px 20px rgba(154, 123, 61, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul, ol {
    list-style: none;
}

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

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

/* ----------------------------------------
   Typography
   ---------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.3;
}

.gold {
    color: var(--gold-primary);
}

/* ----------------------------------------
   Layout
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* ----------------------------------------
   Header
   ---------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

/* Navigation */
.nav-list {
    display: flex;
    gap: 48px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold-primary);
}

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

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.theme-toggle:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

[data-theme="dark"] .icon-sun {
    display: block;
}

[data-theme="dark"] .icon-moon {
    display: none;
}

[data-theme="light"] .icon-sun {
    display: none;
}

[data-theme="light"] .icon-moon {
    display: block;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 28px;
    padding: 4px 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0;
    transition: all var(--transition-base);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-secondary));
    color: #0a0a0a;
    border: none;
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--gold-primary);
    color: var(--gold-primary);
}

.btn-lg {
    padding: 20px 56px;
    font-size: 0.9375rem;
}

.btn-full {
    width: 100%;
}

/* ----------------------------------------
   Section Headers
   ---------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: 64px;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header.left-align {
    text-align: left;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.gold-divider {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    margin: 0 auto;
}

.gold-divider.left {
    margin: 0;
    background: linear-gradient(90deg, var(--gold-primary), transparent);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(201, 169, 98, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 98, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--border-gold);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 32px;
}

.hero-title-line {
    display: block;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero-title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: 24px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

.hero-decoration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.gold-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0.1;
}

.gold-line-1 {
    width: 400px;
    height: 1px;
    top: 20%;
    left: -100px;
    transform: rotate(-30deg);
}

.gold-line-2 {
    width: 300px;
    height: 1px;
    bottom: 25%;
    right: -50px;
    transform: rotate(30deg);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: fadeIn 1s ease 1.2s forwards;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gold-primary), transparent);
    animation: scrollLine 1.5s ease infinite;
}

/* ----------------------------------------
   Page Hero
   ---------------------------------------- */
.page-hero {
    padding: 180px 0 100px;
    background: var(--bg-secondary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 70%, rgba(201, 169, 98, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(201, 169, 98, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

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

.page-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-primary);
    margin-bottom: 16px;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 400;
    margin-bottom: 24px;
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-top: 24px;
}

/* ----------------------------------------
   Services Preview
   ---------------------------------------- */
.services-preview {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 48px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

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

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    border: 1px solid var(--border-gold);
    border-radius: 50%;
    color: var(--gold-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-secondary));
    color: #0a0a0a;
    border-color: transparent;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gold-primary);
    letter-spacing: 0.05em;
}

.service-link span {
    display: inline-block;
    transition: transform var(--transition-base);
}

.service-card:hover .service-link span {
    transform: translateX(4px);
}

/* ----------------------------------------
   Strengths Section
   ---------------------------------------- */
.strengths {
    background: var(--bg-primary);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}

.strength-item {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.strength-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.strength-number {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    color: var(--gold-primary);
    margin-bottom: 16px;
    opacity: 0.6;
}

.strength-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.strength-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ----------------------------------------
   CTA Section
   ---------------------------------------- */
.cta-section {
    background: var(--bg-tertiary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(201, 169, 98, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.75rem;
    font-weight: 400;
    margin-bottom: 24px;
    line-height: 1.3;
}

.cta-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* ----------------------------------------
   About Page - Intro
   ---------------------------------------- */
.about-intro {
    background: var(--bg-primary);
}

.about-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.about-intro-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-headline {
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 32px;
}

.about-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.about-intro-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-box {
    width: 400px;
    height: 400px;
    border: 1px solid var(--border-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.visual-box::before,
.visual-box::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-gold);
    opacity: 0.3;
}

.visual-box::before {
    transform: rotate(15deg);
}

.visual-box::after {
    transform: rotate(-15deg);
}

.visual-inner {
    position: relative;
    z-index: 1;
    text-align: center;
}

.visual-text {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    color: var(--gold-primary);
    letter-spacing: 0.1em;
}

/* ----------------------------------------
   Company Info Table
   ---------------------------------------- */
.company-info {
    background: var(--bg-secondary);
}

.info-table-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid var(--border-color);
}

.info-table th,
.info-table td {
    padding: 24px;
    text-align: left;
    vertical-align: top;
}

.info-table th {
    width: 160px;
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1rem;
    color: var(--gold-primary);
    border-right: 1px solid var(--border-gold);
}

.info-table td {
    color: var(--text-primary);
}

.business-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.business-list li {
    position: relative;
    padding-left: 16px;
}

.business-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background: var(--gold-primary);
    border-radius: 50%;
}

/* ----------------------------------------
   Core Values
   ---------------------------------------- */
.core-values {
    background: var(--bg-primary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.value-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 48px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.value-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.value-card:hover::after {
    opacity: 1;
}

.value-card:hover {
    border-color: var(--border-gold);
}

.value-icon {
    color: var(--gold-primary);
    margin-bottom: 24px;
}

.value-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--gold-primary);
}

.value-subtitle {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 16px;
}

.value-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ----------------------------------------
   Services Full Page
   ---------------------------------------- */
.services-full {
    background: var(--bg-primary);
}

.services-full-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.service-full-card {
    display: flex;
    gap: 32px;
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.service-full-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-full-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--gold-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-full-card:hover::before {
    opacity: 1;
}

.service-full-card:hover {
    border-color: var(--border-gold);
}

.service-full-icon {
    flex-shrink: 0;
    color: var(--gold-primary);
}

.service-full-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.service-full-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    position: relative;
    padding-left: 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border: 1px solid var(--gold-primary);
    border-radius: 50%;
}

/* ----------------------------------------
   Process Section
   ---------------------------------------- */
.process-section {
    background: var(--bg-secondary);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--gold-primary), var(--border-color));
}

.process-step {
    display: flex;
    gap: 40px;
    padding: 32px 0;
    position: relative;
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--transition-slow);
}

.process-step.visible {
    opacity: 1;
    transform: translateX(0);
}

.process-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--gold-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-gold);
    position: relative;
    z-index: 1;
}

.process-content {
    padding-top: 16px;
}

.process-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.process-desc {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ----------------------------------------
   Why Choose Us
   ---------------------------------------- */
.why-choose {
    background: var(--bg-primary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.why-item {
    text-align: center;
    padding: 40px 24px;
    border: 1px solid transparent;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.why-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.why-item:hover {
    border-color: var(--border-gold);
    background: var(--bg-card);
}

.why-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--gold-primary);
}

.why-title {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.why-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ----------------------------------------
   Contact Section
   ---------------------------------------- */
.contact-section {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-intro {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateX(-30px);
}

.contact-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact-item:hover {
    border-color: var(--border-gold);
}

.contact-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-gold);
    border-radius: 50%;
    color: var(--gold-primary);
}

.contact-text h3 {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.contact-text p {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-text a:hover {
    color: var(--gold-primary);
}

.contact-note {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 48px;
}

.contact-form-header {
    margin-bottom: 40px;
}

.form-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.form-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 24px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.required {
    color: var(--gold-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    cursor: pointer;
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Checkbox */
.checkbox-group {
    margin-bottom: 32px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.checkbox-label input:checked ~ .checkmark {
    background: var(--gold-primary);
    border-color: var(--gold-primary);
}

.checkbox-label input:checked ~ .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid #0a0a0a;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

/* ----------------------------------------
   Map Section
   ---------------------------------------- */
.map-section {
    background: var(--bg-secondary);
    padding-bottom: var(--section-padding);
}

.map-wrapper {
    height: 400px;
    border: 1px solid var(--border-color);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
}

.map-placeholder-content {
    text-align: center;
    color: var(--text-tertiary);
}

.map-placeholder-content svg {
    color: var(--gold-primary);
    opacity: 0.5;
    margin-bottom: 24px;
}

.map-placeholder-content h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.map-placeholder-content p {
    font-size: 0.875rem;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    background: #050505;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-color);
}

[data-theme="light"] .footer {
    background: #1a1a1a;
}

[data-theme="light"] .footer,
[data-theme="light"] .footer a,
[data-theme="light"] .footer p {
    color: #ffffff;
}

[data-theme="light"] .footer .text-secondary,
[data-theme="light"] .footer-col ul li {
    color: #a0a0a0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-slogan {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--gold-primary);
    margin-bottom: 24px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li,
.footer-col ul a {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-col ul a:hover {
    color: var(--gold-primary);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    line-height: 1.8;
}

.copyright {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

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

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

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        transform: scaleY(1);
        transform-origin: top;
    }
    50.1% {
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

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

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

    .about-intro-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-intro-visual {
        order: -1;
    }

    .visual-box {
        width: 300px;
        height: 300px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
        --header-height: 70px;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

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

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .nav-link {
        font-size: 1.25rem;
    }

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

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 16px;
    }

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

    .page-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .services-grid,
    .strengths-grid,
    .values-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .service-full-card {
        flex-direction: column;
        text-align: center;
    }

    .service-features li {
        padding-left: 0;
    }

    .service-features li::before {
        display: none;
    }

    .process-timeline::before {
        display: none;
    }

    .process-step {
        flex-direction: column;
        gap: 24px;
    }

    .process-number {
        width: 60px;
        height: 60px;
    }

    .info-table th,
    .info-table td {
        display: block;
        padding: 16px;
    }

    .info-table th {
        width: 100%;
        border-right: none;
        border-bottom: none;
        padding-bottom: 8px;
    }

    .info-table td {
        padding-top: 8px;
    }

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

    .contact-form-wrapper {
        padding: 32px 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .btn {
        padding: 14px 32px;
    }

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

    .service-card,
    .value-card {
        padding: 32px 24px;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
    }

    .contact-icon {
        margin: 0 auto;
    }
}
