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

:root {
    /* Color Palette - Premium & Modern */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --secondary-color: #f093fb;
    --accent-color: #ffd140;

    --dark-bg: #0f0f1e;
    --dark-card: #1a1a2e;
    --dark-card-hover: #252538;

    --text-primary: #ffffff;
    --text-secondary: #b8b8d4;
    --text-muted: #7f7f98;

    --success-color: #4ade80;
    --error-color: #f87171;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    min-height: 100vh;
    padding: var(--spacing-2xl) 0;
    display: flex;
    align-items: center;
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.section-hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

/* ============================================
   Hero Section
   ============================================ */
#hero {
    background: linear-gradient(180deg, var(--dark-bg) 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }

    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

#hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: slideInDown 0.6s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: slideInLeft 0.8s ease;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    animation: slideInLeft 1s ease;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    animation: slideInLeft 1.2s ease;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    animation: slideInUp 0.8s ease;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 1.25rem 2rem;
    font-size: 1.125rem;
}

/* Quick Contact */
.quick-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideInUp 1s ease;
}

.quick-contact span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-base);
}

.contact-link.kakao {
    background: rgba(254, 229, 0, 0.1);
    color: #fee500;
    border: 1px solid rgba(254, 229, 0, 0.3);
}

.contact-link.kakao:hover {
    background: rgba(254, 229, 0, 0.2);
    transform: translateY(-2px);
}

.contact-link.whatsapp {
    background: rgba(37, 211, 102, 0.1);
    color: #25d366;
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.contact-link.whatsapp:hover {
    background: rgba(37, 211, 102, 0.2);
    transform: translateY(-2px);
}

.contact-link.portfolio {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.contact-link.portfolio:hover {
    background: rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    position: relative;
    animation: slideInRight 0.8s ease;
}

.image-placeholder {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.destination-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    cursor: pointer;
    transition: all var(--transition-base);
}

.destination-card:first-child {
    grid-column: 1 / -1;
}

.destination-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.destination-card:hover img {
    transform: scale(1.1);
}

.destination-card span {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-align: center;
}

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

/* ============================================
   Step Indicator
   ============================================ */
.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-sm);
}

.step {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.step.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
    transform: scale(1.1);
}

.step.completed {
    background: var(--success-color);
    border-color: transparent;
    color: white;
}

.step-line {
    width: 60px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.step-line.completed {
    background: var(--success-color);
}

/* ============================================
   Step Header
   ============================================ */
.step-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.6s ease;
}

.step-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.step-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.step-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ============================================
   Form Styles
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-xl);
    animation: slideInUp 0.6s ease;
}

.form-group label {
    display: block;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.field-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Checkbox Grid */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.checkbox-card {
    cursor: pointer;
}

.checkbox-card input {
    display: none;
}

.checkbox-card .card-content {
    background: var(--dark-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 100px;
    justify-content: center;
}

.checkbox-card .icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.checkbox-card .text {
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.checkbox-card:hover .card-content {
    background: var(--dark-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.checkbox-card input:checked+.card-content {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.checkbox-card input:checked+.card-content .text {
    color: var(--text-primary);
    font-weight: 600;
}

/* Radio Grid */
.radio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    display: none;
}

.radio-card .card-content {
    background: var(--dark-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 80px;
    justify-content: center;
}

.radio-card .icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.radio-card .text {
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.radio-card:hover .card-content {
    background: var(--dark-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.radio-card input:checked+.card-content {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.radio-card input:checked+.card-content .text {
    color: var(--text-primary);
    font-weight: 600;
}

/* Number Inputs */
.number-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.number-input-group label {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.number-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--dark-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.number-control button {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: none;
    background: rgba(102, 126, 234, 0.2);
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-base);
}

.number-control button:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.number-control input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    width: 60px;
}

.number-control input:focus {
    outline: none;
}

/* Text Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    background: var(--dark-card);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.custom-input {
    margin-top: var(--spacing-md);
}

.hidden {
    display: none;
}

/* ============================================
   Form Actions
   ============================================ */
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    animation: slideInUp 0.8s ease;
}

.form-actions .btn {
    flex: 1;
}

/* ============================================
   Thank You Section
   ============================================ */
.thankyou-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    animation: scaleIn 0.6s ease;
}

.success-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto var(--spacing-lg);
    animation: bounceIn 0.8s ease;
}

.thankyou-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.thankyou-content>p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.thankyou-info {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-align: left;
}

.info-item .icon {
    font-size: 1.5rem;
}

/* ============================================
   VIP Modal
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--dark-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideInUp 0.4s ease;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    background: var(--dark-card);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.trust-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.trust-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.trust-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.trust-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.footer-info {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        transform: scale(1);
    }
}


/* Footer Legal Links */
.footer-legal-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

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

.footer-legal-links .separator {
    color: var(--text-muted);
}

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

.footer-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    #hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .quick-contact {
        justify-content: center;
    }

    .checkbox-grid,
    .radio-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .step-header h2 {
        font-size: 2rem;
    }

    .trust-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    section {
        padding: var(--spacing-xl) 0;
        min-height: auto;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .checkbox-grid,
    .radio-grid {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .step-header h2 {
        font-size: 1.75rem;
    }

    .step {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .step-line {
        width: 40px;
    }
}