/* ========================================
   LET'S GO DA NANG - Premium Travel Partner
   Main Stylesheet
   ======================================== */

/* ---- CSS Variables ---- */
:root {
  --color-primary: #1a6b5a;
  --color-primary-dark: #145a4a;
  --color-primary-light: #2d8a6e;
  --color-accent: #d4a843;
  --color-accent-light: #e8c76a;
  --color-accent-dark: #b8903a;
  --color-dark: #1a1a2e;
  --color-text: #2d3436;
  --color-text-light: #636e72;
  --color-bg: #f8f6f0;
  --color-white: #ffffff;
  --color-kakao: #FEE500;
  --color-kakao-text: #3C1E1E;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
  --font-primary: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  font-weight: 700;
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-dark);
  box-shadow: 0 4px 15px rgba(212, 168, 67, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 168, 67, 0.5);
}

.btn-outline {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: var(--color-white);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-kakao {
  background: var(--color-kakao);
  color: var(--color-kakao-text);
  font-weight: 700;
}

.btn-kakao:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(254, 229, 0, 0.5);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  z-index: 1001;
}

.logo-icon {
  font-size: 1.6rem;
}

.logo-icon-img {
  width: 64px;
  height: 64px;
  border-radius: 10px;
  flex-shrink: 0;
  background-color: #fff;
  background-image: url('../images/logo.png');
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  font-size: 0;
  overflow: hidden;
}

.logo-icon-img img {
  width: 100%;
  height: 100%;
  opacity: 0;
  display: block;
  pointer-events: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-main {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-accent);
}

.logo-sub {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-white);
  letter-spacing: 2px;
}

/* Desktop Nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
  background: rgba(212, 168, 67, 0.1);
}

.nav-cta {
  margin-left: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-dark);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(212, 168, 67, 0.4);
}

/* Language Switcher */
.lang-switcher {
  position: relative;
  margin-left: 12px;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: 0.85rem;
  transition: var(--transition);
}

.lang-btn:hover {
  background: rgba(255,255,255,0.2);
}

.lang-btn .fa-chevron-down {
  font-size: 0.65rem;
  transition: var(--transition);
}

.lang-btn .fa-chevron-down.rotated {
  transform: rotate(180deg);
}

.lang-name {
  display: none;
}

@media (min-width: 769px) {
  .lang-name {
    display: inline;
  }
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  min-width: 160px;
  animation: dropdownIn 0.2s ease;
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 16px;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: var(--transition);
}

.lang-option:hover, .lang-option.active {
  background: rgba(26, 107, 90, 0.08);
  color: var(--color-primary);
}

.lang-option.active {
  font-weight: 700;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  animation: fadeIn 0.3s ease;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-dark);
  z-index: 1000;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-close {
  color: var(--color-white);
  font-size: 1.4rem;
  padding: 8px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  padding: 14px 16px;
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--color-accent);
  background: rgba(212, 168, 67, 0.1);
}

.mobile-lang {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mobile-lang-btn {
  padding: 8px 14px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-lang-btn:hover, .mobile-lang-btn.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(212, 168, 67, 0.1);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
          180deg,
          rgba(26, 26, 46, 0.4) 0%,
          rgba(26, 107, 90, 0.3) 50%,
          rgba(26, 26, 46, 0.7) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 24px;
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  text-shadow: 2px 4px 20px rgba(0,0,0,0.3);
  background: linear-gradient(135deg, #fff 30%, var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  opacity: 0.95;
  margin-bottom: 40px;
  text-shadow: 1px 2px 10px rgba(0,0,0,0.3);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   SERVICES
   ======================================== */
.services-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-white);
  border: 2px solid rgba(212, 168, 67, 0.25);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: var(--transition);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: rgba(26, 107, 90, 0.06);
  border-radius: 50%;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(26, 107, 90, 0.12);
  transform: scale(1.1);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.service-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(26, 107, 90, 0.08);
  color: var(--color-primary);
  margin-top: 16px;
  transition: var(--transition);
}

.service-card:hover .service-arrow {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateX(4px);
}

/* ========================================
   DESTINATIONS
   ======================================== */
.destinations-section {
  padding: 100px 0;
  background: var(--color-white);
}

.destinations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.destination-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}

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

.destination-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.destination-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.destination-card:hover .destination-img img {
  transform: scale(1.08);
}

.destination-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  background: rgba(26, 107, 90, 0.85);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: var(--transition);
}

.destination-card:hover .destination-badge {
  background: var(--color-accent);
  transform: scale(1.1);
}

.destination-info {
  padding: 20px;
}

.destination-info h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.destination-info p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ========================================
   ABOUT
   ======================================== */
.about-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.about-subtitle {
  color: var(--color-accent-dark);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.about-desc {
  color: var(--color-text-light);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-stats {
  display: flex;
  gap: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-item i {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-light);
  text-align: center;
}

/* ========================================
   BOOKING
   ======================================== */
.booking-section {
  padding: 100px 0;
  background: var(--color-white);
}

.booking-form {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.booking-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(45, 138, 110, 0.1);
  border: 1px solid rgba(45, 138, 110, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeIn 0.3s ease;
}

.booking-success i {
  font-size: 1.4rem;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

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

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 107, 90, 0.1);
}

.form-group textarea {
  resize: vertical;
}

.booking-form .btn {
  width: 100%;
}

/* ========================================
   CONTACT
   ======================================== */
.contact-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
}

.contact-section .section-header h2 {
  color: var(--color-white);
}

.contact-section .section-header p {
  color: rgba(255,255,255,0.8);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 20px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.contact-card:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-4px);
}

.contact-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.kakao-icon {
  background: var(--color-kakao);
  color: var(--color-kakao-text);
}

.email-icon {
  background: var(--color-accent);
  color: var(--color-dark);
}

.phone-icon {
  background: var(--color-white);
  color: var(--color-primary);
}

.contact-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: #fafafa;
  color: var(--color-text);
  padding: 0;
  border-top: 1px solid #e0e0e0;
}

/* Top Nav Links */
.footer-top-nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 16px 0;
  border-bottom: 1px solid #e0e0e0;
  flex-wrap: wrap;
}

.footer-top-nav a {
  font-size: 0.85rem;
  color: #333;
  font-weight: 500;
  padding: 4px 16px;
  transition: var(--transition);
}

.footer-top-nav a:first-child {
  padding-left: 0;
}

.footer-top-nav a:hover {
  color: var(--color-primary);
}

.footer-top-nav .footer-privacy-link {
  font-weight: 800;
  color: #111;
}

.footer-nav-divider {
  width: 1px;
  height: 12px;
  background: #ccc;
  display: inline-block;
}

/* Main Footer - 3 columns */
.footer-main {
  display: grid;
  grid-template-columns: 1.8fr 1.2fr 0.6fr;
  gap: 40px;
  padding: 32px 0;
}

.footer-info-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: #222;
  margin-bottom: 14px;
}

.footer-info-items p {
  font-size: 0.8rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 2px;
}

.footer-info-items strong {
  color: #333;
  font-weight: 600;
}

.footer-info-sep {
  display: inline-block;
  width: 1px;
  height: 10px;
  background: #ccc;
  margin: 0 10px;
  vertical-align: middle;
}

.footer-highlight {
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
}

.footer-cs-hours {
  margin-top: 6px !important;
  margin-bottom: 6px !important;
}

.footer-pay-col {
  /* Right aligned payment column */
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
  border-top: 1px solid #e0e0e0;
  font-size: 0.78rem;
  color: #999;
}

/* ========================================
   KAKAO FLOATING BUTTON
   ======================================== */
.kakao-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.kakao-tooltip {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.2s ease;
}

.kakao-float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-kakao);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.kakao-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(254, 229, 0, 0.5);
}

/* ========================================
   SCROLL TO TOP
   ======================================== */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  z-index: 900;
  animation: fadeIn 0.3s ease;
}

.scroll-top-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

/* ========================================
   MODAL
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0,0,0,0.05);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(0,0,0,0.1);
  color: var(--color-text);
}

.modal-icon {
  margin-bottom: 20px;
}

.modal-content h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.modal-detail {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-actions .btn {
  width: 100%;
}

.modal-actions .btn-outline {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.modal-actions .btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .about-grid {
    gap: 40px;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .lang-name {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .service-card {
    padding: 24px 16px;
  }

  .destinations-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .destination-img {
    height: 180px;
  }

  .destination-badge {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }

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

  .about-image img {
    height: 280px;
  }

  .about-stats {
    justify-content: center;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 0;
  }

  .footer-info-sep {
    display: block;
    width: 0;
    height: 4px;
    margin: 0;
    background: none;
  }

  .footer-info-items p {
    font-size: 0.78rem;
    line-height: 1.9;
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .footer-info-title {
    font-size: 0.85rem;
    margin-bottom: 10px;
  }

  .footer-account-num {
    font-size: 0.88rem !important;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    font-size: 0.72rem;
    padding: 14px 10px;
  }

  .hero-title {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .booking-form {
    padding: 24px;
  }

  .kakao-float {
    bottom: 20px;
    right: 20px;
  }

  .kakao-float-btn {
    width: 52px;
    height: 52px;
  }

  .scroll-top-btn {
    bottom: 20px;
    left: 20px;
    width: 42px;
    height: 42px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .services-section,
  .destinations-section,
  .about-section,
  .booking-section,
  .contact-section {
    padding: 70px 0;
  }
}

/* ========================================
   RESPONSIVE - MOBILE SMALL
   ======================================== */
@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: left;
    padding: 18px 20px;
    gap: 16px;
  }

  .service-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    margin: 0;
  }

  .service-card h3 {
    margin-bottom: 4px;
    font-size: 1.05rem;
  }

  .service-card p {
    font-size: 0.82rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .service-arrow {
    margin: 0 0 0 auto;
    min-width: 32px;
    width: 32px;
    height: 32px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 280px;
  }

  .about-stats {
    flex-wrap: wrap;
    gap: 20px;
  }

  .modal-content {
    padding: 32px 24px;
  }

  .destinations-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .destination-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
  }

  .destination-img {
    width: 140px;
    min-width: 140px;
    height: auto;
  }

  .destination-info {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .destination-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
  }

  .destination-info p {
    font-size: 0.8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .destination-badge {
    width: 28px;
    height: 28px;
    font-size: 0.75rem;
    top: 8px;
    right: 8px;
  }

  .contact-card {
    flex-direction: row;
    text-align: left;
    padding: 20px;
    gap: 16px;
  }

  .contact-icon {
    margin-bottom: 0;
    min-width: 52px;
    width: 52px;
    height: 52px;
  }
}

/* ---- Loading Screen ---- */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
  gap: 16px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---- Utility ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}