/* ========== RESET & BASE ========== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

/* ========== UTILITIES ========== */
.text-red { color: #D41500; }
.text-red-dark { color: #D8210C; }
.text-blue { color: #1273CA; }
.text-red-sm { color: #D8210C; font-size: 15px; }

.section-figma-img {
  width: 100%;
  line-height: 0;
}

.figma-section-img {
  width: 100%;
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 38px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  line-height: 24px;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s;
  font-family: inherit;
}
.btn:hover { opacity: 0.9; }

.btn-red {
  background: #D41500;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #D41500;
  border: 1.5px solid #D41500;
}
.btn-outline:hover {
  background: #D41500;
  color: #fff;
}

.btn-gradient-red {
  background: linear-gradient(135deg, #D41500, #FF4500);
  color: #fff;
  padding: 14px 30px;
  border-radius: 25.5px;
  font-size: 20px;
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 86px;
  background: #fff;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.nav-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  height: 28px;
  width: auto;
}

.nav-menu {
  display: flex;
  gap: 38px;
}

.nav-menu a {
  font-weight: 500;
  font-size: 16px;
  line-height: 28px;
  color: #000;
  transition: color 0.2s;
}
.nav-menu a:hover { color: #D41500; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-cta {
  font-size: 16px;
  padding: 8px 38px;
  line-height: 28px;
}

/* ========== HAMBURGER MENU ========== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #333;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* 햄버거 → X 애니메이션 */
.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== HERO SECTION ========== */
.hero {
  margin-top: 86px;
  position: relative;
  width: 100%;
  min-height: 670px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1440px;
  margin: 0 auto;
  padding: 90px 80px 40px 189px;
}

.hero-subtitle {
  font-weight: 600;
  font-size: 24px;
  line-height: 31px;
  color: #D41500;
  margin-bottom: 16px;
}

.hero-title-group {
  margin-bottom: 20px;
}

.hero-title {
  font-weight: 500;
  font-size: 24px;
  line-height: 29px;
  color: #171A1F;
  display: block;
}

.hero-title-big {
  display: flex;
  gap: 8px;
  font-weight: 700;
  font-size: 40px;
  line-height: 49px;
  color: #171A1F;
}

.hero-title-big .text-red {
  color: #D41500;
}

.hero-badge {
  background: #171A1F;
  color: #fff;
  display: inline-flex;
  align-items: center;
  padding: 4px 20px;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 16px;
}

.hero-offer-box {
  background: #fff;
  border-radius: 17px;
  padding: 16px 24px;
  max-width: 435px;
  margin-bottom: 20px;
}

.hero-offer-title {
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 10px;
}

.hero-offer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.hero-offer-item .check-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
}

.hero-offer-points {
  font-weight: 600;
  font-size: 15px;
}

.hero-stats {
  display: flex;
  gap: 60px;
  margin-bottom: 20px;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stat-circle {
  width: 40px;
  height: 39px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-blue { background: #1273CB; }
.stat-red-circle { background: #D41500; }

.stat-number {
  font-weight: 700;
  font-size: 24px;
  line-height: 29px;
}

.stat-label {
  font-weight: 600;
  font-size: 10px;
  color: #000;
}

.stat-label-sm {
  font-weight: 700;
  font-size: 12px;
}

.hero-cta {
  display: inline-flex;
  margin-top: 10px;
}

/* Trust Bar */
.trust-bar-wrapper {
  position: relative;
  z-index: 2;
  background: #fff;
}

.trust-bar-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 35px;
  padding: 10px 80px;
  font-size: 12px;
  color: #000;
}

.trust-logo {
  height: 19px;
  width: auto;
}

.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 102px;
  padding: 10px 80px;
  background: #fff;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
}

.trust-divider {
  width: 1px;
  height: 21px;
  background: #ddd;
}

/* ========== SECTION EDTECH ========== */
.section-edtech {
  padding: 0 0 60px;
  background: #fafafa;
  position: relative;
  overflow: hidden;
}

.edtech-section-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.edtech-section-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.08;
}

.edtech-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 80px;
  background: linear-gradient(90deg, #D41500 0%, transparent 50%);
  max-width: 724px;
  position: relative;
  z-index: 1;
}

.edtech-badge-icon {
  width: 72px;
  height: 38px;
}

.edtech-badge span {
  font-weight: 600;
  font-size: 20px;
  color: #00307B;
}

.edtech-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 80px;
  display: flex;
  gap: 60px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.edtech-left {
  flex: 0 0 435px;
  position: relative;
}

.edtech-man-photo {
  width: 435px;
  display: block;
}

.edtech-stats-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  padding: 20px 24px;
  border-radius: 12px;
  margin-top: 32px;
  width: fit-content;
}

.edtech-right {
  flex: 1;
  padding-top: 60px;
}

.edtech-count {
  font-size: 48px;
  font-weight: 700;
  line-height: 59px;
}

.edtech-subtitle-text {
  font-weight: 600;
  font-size: 32px;
  line-height: 39px;
  margin-bottom: 16px;
}

.edtech-desc {
  font-size: 15px;
  line-height: 20px;
  margin-bottom: 24px;
  max-width: 625px;
}

.edtech-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.edtech-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
}

.edtech-features svg {
  flex-shrink: 0;
}

.edtech-info-box {
  max-width: 1280px;
  margin: 0 auto;
  background: #fff;
  position: relative;
  z-index: 1;
  display: flex;
  overflow: hidden;
}

.edtech-info-stats {
  flex: 0 0 400px;
  padding: 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-stat-number {
  font-weight: 700;
  font-size: 48px;
  color: #D41500;
  display: block;
}

.info-stat-label {
  font-size: 16px;
  font-weight: 500;
  color: #2D2D2D;
}

.edtech-info-right {
  flex: 1;
  padding: 30px 40px;
}

.edtech-info-right h3 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 16px;
}

.edtech-info-right p {
  font-size: 15px;
  line-height: 24px;
  color: #2D2D2D;
  margin-bottom: 16px;
}

.link-red {
  color: #BD1401;
  font-weight: 600;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.link-red:hover { text-decoration: underline; }

/* ========== SECTION PROBLEMS ========== */
.section-problems {
  background: #fff;
}

.problems-dark {
  background: #1a1a2e;
  padding: 60px 80px 80px;
}

.problems-container {
  max-width: 1280px;
  margin: 0 auto;
}

.problems-pre {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 16px;
}

.problems-header h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  text-align: center;
  margin-bottom: 40px;
  line-height: 42px;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.problem-card {
  background: #fff;
  border-radius: 14px;
  padding: 30px 24px;
  text-align: center;
}

.emoji {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
}

.problem-title {
  font-weight: 700;
  font-size: 15px;
  color: #2E2E2E;
  margin-bottom: 8px;
}

.problem-desc {
  font-size: 12px;
  color: #000;
  line-height: 18px;
  text-align: left;
}

.problems-bottom {
  text-align: center;
  color: #fff;
}

.problems-bottom p {
  font-size: 18px;
  line-height: 28px;
}

.problems-bottom-highlight {
  font-weight: 700;
  font-size: 18px;
  color: #F8EEBA;
  line-height: 28px;
}

.solution-box {
  max-width: 1280px;
  margin: -40px auto 0;
  position: relative;
  z-index: 2;
  background: #fff;
  border-radius: 0;
  padding: 40px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.solution-content h3 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}

.solution-content p {
  font-size: 15px;
  line-height: 24px;
  margin-bottom: 8px;
}

.solution-cta {
  flex-shrink: 0;
  padding: 10px 21px;
}

/* ========== SECTION COMPARE ========== */
.section-compare {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 60px 0 80px;
}

.compare-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.compare-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.compare-container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 80px;
  text-align: center;
}

.compare-title {
  font-size: 30px;
  font-weight: 700;
  color: #171A1F;
  line-height: 40px;
}

.compare-title-red {
  font-size: 30px;
  font-weight: 700;
  color: #D41500;
  line-height: 40px;
  margin-bottom: 12px;
}

.compare-subtitle {
  font-size: 15px;
  color: #2E2E2E;
  margin-bottom: 40px;
}

.compare-table {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 30px;
}

.compare-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.compare-col-left {
  background: #555;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 24px;
  text-align: center;
}

.compare-col-right {
  background: #D41500;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 24px;
  text-align: center;
}

.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid #eee;
}

.compare-cell {
  padding: 14px 24px;
  font-size: 15px;
  color: #000;
  text-align: center;
}

.compare-cell-left {
  background: #f9f9f9;
}

.compare-cell-right {
  background: #fff;
  font-weight: 500;
}

.compare-cta {
  padding: 12px 36px;
  font-size: 15px;
}

/* ========== SECTION PROGRAM ========== */
.section-program {
  padding: 60px 0 80px;
  background: #fff;
}

.program-container {
  max-width: 1094px;
  margin: 0 auto;
  padding: 0 80px;
  text-align: center;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.section-badge span {
  background: #D41500;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 30px;
  border-radius: 50px;
  display: inline-block;
}

.program-pre-title {
  font-size: 15px;
  color: #000;
  margin-bottom: 8px;
}

.program-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 40px;
  margin-bottom: 20px;
}

.program-desc {
  font-size: 15px;
  line-height: 24px;
  max-width: 1094px;
  margin: 0 auto 40px;
}

.program-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.program-card {
  text-align: left;
}

.program-card-img {
  width: 100%;
  aspect-ratio: 325/319;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
}

.program-card p {
  font-weight: 700;
  font-size: 16px;
  line-height: 28px;
}

/* ========== SECTION TEACHERS ========== */
.section-teachers {
  width: 100%;
  line-height: 0;
}

.teachers-section-img {
  width: 100%;
  display: block;
}

/* ========== SECTION TOPIK ========== */
.section-topik {
  padding: 60px 0 80px;
  background: #fff;
}

.topik-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
  text-align: center;
}

.topik-main-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 40px;
}

.topik-main-subtitle {
  font-size: 30px;
  font-weight: 700;
  line-height: 40px;
  margin-bottom: 30px;
}

.topik-content {
  text-align: left;
}

.topik-red-box {
  background: #D41500;
  border-radius: 10px 10px 0 0;
  padding: 30px 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topik-red-left h3 {
  font-size: 32px;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 12px;
}

.topik-red-left p {
  font-size: 15px;
  color: #fff;
}

.topik-red-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.topik-logo-img {
  height: 76px;
  width: auto;
  border-radius: 10px;
}

.topik-exam-img {
  width: 422px;
  border-radius: 10px;
}

.topik-white-box {
  background: #fff;
  padding: 40px 70px;
  display: flex;
  gap: 60px;
}

.topik-left {
  flex: 1;
}

.topik-left h3 {
  font-size: 30px;
  font-weight: 700;
  line-height: 42px;
  margin-bottom: 24px;
  color: #252A2C;
}

.topik-features {
  margin-bottom: 30px;
}

.topik-features li {
  font-size: 20px;
  line-height: 40px;
  padding-left: 28px;
  position: relative;
}

.topik-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #000;
  font-weight: 700;
}

.topik-stats {
  display: flex;
  gap: 30px;
  padding: 20px 0;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
  margin-bottom: 24px;
}

.topik-stat-number {
  font-size: 30px;
  font-weight: 700;
  color: #D41500;
  display: block;
  line-height: 42px;
}

.topik-stat-label {
  font-size: 14px;
  line-height: 18px;
  color: #252A2C;
}

.topik-ai-text {
  font-size: 15px;
  line-height: 24px;
  color: #2A2323;
  margin-bottom: 16px;
}

.topik-link {
  font-size: 16px;
}

.topik-right {
  flex: 0 0 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topik-laptop {
  width: 340px;
  border-radius: 8px;
}

/* ========== SECTION REWARDS ========== */
.section-rewards {
  padding: 60px 0 80px;
  background: #fafafa;
}

.rewards-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
  text-align: center;
}

.rewards-title {
  font-size: 30px;
  font-weight: 700;
  color: #D41500;
  margin-bottom: 8px;
}

.rewards-subtitle {
  font-size: 15px;
  color: #000;
  margin-bottom: 40px;
}

.rewards-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.reward-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.reward-card-img {
  width: 100%;
  aspect-ratio: 302/300;
  object-fit: cover;
}

.reward-card-body {
  padding: 16px 20px 20px;
  text-align: left;
}

.reward-task-label {
  font-size: 10px;
  font-weight: 600;
  color: #5C5F61;
  display: block;
  margin-bottom: 4px;
}

.reward-task-name {
  font-size: 15px;
  font-weight: 500;
  color: #252A2C;
  margin-bottom: 8px;
}

.reward-points {
  font-size: 24px;
  font-weight: 700;
  color: #D41500;
}

.rewards-gamification {
  display: flex;
  gap: 60px;
  align-items: center;
  text-align: left;
}

.rewards-gami-left {
  flex: 0 0 320px;
}

.rewards-gami-img {
  width: 320px;
  border-radius: 12px;
}

.rewards-gami-right {
  flex: 1;
}

.rewards-gami-right h3 {
  font-size: 24px;
  font-weight: 700;
  color: #D41500;
  margin-bottom: 16px;
  line-height: 32px;
}

.rewards-gami-right > p {
  font-size: 15px;
  line-height: 24px;
  margin-bottom: 20px;
}

.rewards-benefits {
  display: flex;
  gap: 40px;
  margin-bottom: 24px;
}

.rewards-benefit-col p {
  font-size: 15px;
  line-height: 28px;
}

.rewards-cta {
  padding: 10px 28px;
}

/* ========== SECTION DATA ========== */
.section-data {
  position: relative;
  overflow: hidden;
  background: #fff;
}

.data-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  min-height: 603px;
}

.data-left-photo {
  flex: 0 0 56%;
}

.data-main-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.data-right-content {
  flex: 1;
  padding: 40px 60px;
}

.data-right-content h2 {
  font-size: 32px;
  font-weight: 700;
  color: #252A2C;
  margin-bottom: 8px;
  text-align: center;
}

.data-subtitle {
  font-size: 15px;
  color: #252A2C;
  margin-bottom: 30px;
  text-align: center;
}

.data-dashboard {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.data-dash-widget {
  flex: 1;
  background: #FFFDFB;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.widget-title {
  font-size: 15px;
  font-weight: 400;
  color: #3F3D3F;
  display: block;
  margin-bottom: 12px;
}

.data-chart-placeholder {
  height: 120px;
}

.data-chart-bars {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  height: 100%;
}

.chart-bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, #FF6B6B 0%, #D41500 100%);
  border-radius: 4px 4px 0 0;
  min-height: 10px;
}

.chart-bar-group span {
  font-size: 9px;
  color: #6a696c;
  margin-top: 4px;
}

.data-dash-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 110px;
}

.data-level-badge {
  background: #FFFDFB;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  text-align: center;
}

.level-text {
  font-size: 24px;
  font-weight: 700;
  color: #FFAA7E;
  display: block;
}

.level-xp {
  font-size: 15px;
  color: #252A2C;
}

.data-points-badge {
  background: #FFFDFB;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  text-align: center;
}

.points-title {
  font-size: 13px;
  font-weight: 500;
  color: #575557;
  line-height: 16px;
  margin-bottom: 8px;
}

.points-value {
  display: inline-block;
  background: #fff;
  color: #D41500;
  font-weight: 700;
  font-size: 16px;
  padding: 4px 16px;
  border-radius: 16.5px;
  border: 1px solid rgba(212,21,0,0.15);
}

.data-quote-box {
  background: #FFE2E0;
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}

.data-quote-box p {
  font-weight: 600;
  font-size: 15px;
  line-height: 22px;
}

.data-cta {
  padding: 8px 38px;
  border-radius: 10px;
}

/* ========== SECTION REVIEWS ========== */
.section-reviews {
  padding: 60px 0;
  background: #fff;
}

.reviews-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
}

.reviews-container h2 {
  font-size: 30px;
  font-weight: 700;
  text-align: center;
  line-height: 40px;
}

.reviews-subtitle {
  font-size: 15px;
  text-align: center;
  line-height: 18px;
  margin-bottom: 24px;
  color: #000;
}

.review-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.review-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 14px;
  padding: 20px;
}

.review-card-header {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.review-name {
  font-weight: 600;
  font-size: 14px;
  color: #1C1C1C;
  display: block;
}

.review-role {
  font-size: 11px;
  color: #D41500;
  display: block;
}

.review-info {
  font-size: 11px;
  color: #444;
  display: block;
}

.review-score {
  padding: 10px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  margin-bottom: 12px;
}

.review-score-label {
  font-weight: 600;
  font-size: 12px;
  color: #000;
}

.review-score-value {
  font-weight: 700;
  font-size: 12px;
  color: #D14500;
  margin-left: 4px;
}

.review-score-time {
  font-size: 10px;
  color: #000;
  display: block;
  margin-top: 2px;
}

.review-text {
  font-size: 13px;
  line-height: 20px;
  color: #242424;
}

.review-stats-bar {
  background: #FFF3F1;
  padding: 30px 40px;
  border-radius: 14px;
  text-align: center;
}

.review-stats-header h3 {
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  margin-bottom: 12px;
}

.stars {
  color: #F2B545;
  font-size: 20px;
  margin-bottom: 24px;
}

.review-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.testimonial {
  background: #fff;
  border-radius: 10px;
  padding: 16px 24px;
  text-align: left;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.testimonial-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #ddd;
}

.testimonial-name {
  font-weight: 600;
  font-size: 12px;
  display: block;
}

.stars-sm {
  color: #F2B545;
  font-size: 10px;
}

.testimonial p {
  font-size: 12px;
  line-height: 15px;
}

/* ========== FOOTER ========== */
.footer {
  background: #fff;
  padding: 60px 0 30px;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
}

.footer-container h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 48px;
  margin-bottom: 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-col p {
  font-size: 14px;
  line-height: 24px;
  color: #474747;
}

.footer-cta {
  margin-top: 20px;
  padding: 10px 28px;
  display: inline-flex;
}

.footer-phone {
  font-weight: 500;
  font-size: 18px;
  margin-top: 8px;
}

.footer-col-right {
  text-align: left;
}

.footer-partner-logo {
  height: 21px;
  width: auto;
  margin-bottom: 12px;
}

.footer-divider {
  width: 100%;
  height: 1px;
  background: #D9D9D9;
  margin-bottom: 20px;
}

.footer-copyright {
  font-size: 14px;
  color: #4A4A4A;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1200px) {
  .review-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .nav-container { padding: 0 40px; }
  .hero-content { padding: 60px 40px 40px; }
  .edtech-container { flex-direction: column; padding: 40px; }
  .edtech-left { flex: none; }
  .edtech-man-photo { width: 100%; max-width: 435px; }
  .problems-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .compare-container { padding: 0 40px; }
  .program-container { padding: 0 40px; }
  .program-cards { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .topik-white-box { flex-direction: column; }
  .topik-right { flex: none; }
  .data-container { flex-direction: column; }
  .data-left-photo { flex: none; height: 300px; }
  .data-right-content { padding: 40px; }
  .review-testimonials { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .rewards-cards { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; margin-bottom: 40px; }
  .rewards-gamification { flex-direction: column; }
  .rewards-gami-left { flex: none; }
}

@media (max-width: 768px) {
  /* 네비게이션 — 햄버거 메뉴 */
  .navbar { height: auto; min-height: 86px; }
  .nav-hamburger { display: flex; }
  .nav-container { padding: 0 20px; flex-wrap: wrap; height: auto; min-height: 86px; }
  .nav-menu { display: none; order: 3; width: 100%; }
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    background: #fff;
    padding: 16px 0;
    gap: 4px;
    border-top: 1px solid #eee;
  }
  .nav-menu.active a {
    padding: 10px 0;
    font-size: 16px;
  }
  .nav-actions {
    display: none;
    order: 4;
    width: 100%;
  }
  .nav-actions.active {
    display: flex;
    flex-direction: column;
    background: #fff;
    padding: 0 0 16px;
    gap: 8px;
  }
  .nav-actions.active .nav-cta {
    width: 100%;
    text-align: center;
  }

  /* Hero 섹션 모바일 */
  .hero-content { padding: 40px 20px; }
  .hero-subtitle { font-size: 18px; line-height: 26px; }
  .hero-title-big { font-size: 28px; line-height: 36px; flex-direction: column; gap: 0; }
  .hero-offer-box { padding: 12px 16px; max-width: 100%; }
  .hero-offer-title { font-size: 16px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .hero-stat { width: 45%; }
  .hero-cta { font-size: 16px; padding: 12px 24px; width: 100%; text-align: center; justify-content: center; }
  .btn-gradient-red { font-size: 16px; padding: 12px 20px; }

  /* Trust Bar */
  .trust-bar-top { padding: 10px 20px; gap: 12px; flex-wrap: wrap; justify-content: center; font-size: 11px; }
  .trust-bar { padding: 10px 20px; gap: 30px; flex-wrap: wrap; justify-content: center; }

  /* Problems 섹션 */
  .problems-dark { padding: 40px 20px; }
  .problems-pre { font-size: 22px; }
  .problems-header h2 { font-size: 20px; line-height: 30px; }
  .solution-box { flex-direction: column; padding: 30px 20px; text-align: center; }
  .solution-content h3 { font-size: 24px; }

  /* Compare 섹션 */
  .compare-container { padding: 0 20px; }
  .compare-title, .compare-title-red { font-size: 22px; line-height: 30px; }
  .compare-table { font-size: 13px; }
  .compare-cell { padding: 10px 12px; font-size: 13px; }

  /* Program 섹션 */
  .program-container { padding: 0 20px; }
  .program-title { font-size: 22px; line-height: 30px; }

  /* TOPIK 섹션 */
  .topik-red-box { flex-direction: column; padding: 20px; }
  .topik-exam-img { width: 100%; }

  /* Data 섹션 */
  .section-data { min-height: auto; }
  .data-container { flex-direction: column; }
  .data-left-photo { height: 200px; }
  .data-right-content { padding: 20px; }
  .data-right-content h2 { font-size: 24px; }

  /* EdTech 섹션 */
  .edtech-count { font-size: 32px; }
  .edtech-subtitle-text { font-size: 22px; }

  /* Reviews 섹션 */
  .reviews-container { padding: 0 20px; }
  .reviews-container h2 { font-size: 22px; line-height: 30px; }
  .review-cards { grid-template-columns: 1fr; }
  .review-stats-bar { padding: 20px; }
  .review-stats-header h3 { font-size: 18px; line-height: 26px; }

  /* Footer */
  .footer-container { padding: 0 20px; }
  .footer-container h2 { font-size: 24px; line-height: 32px; }

  /* Rewards 섹션 */
  .rewards-container { padding: 0 20px; }
  .rewards-benefits { flex-direction: column; gap: 8px; }
}

/* ========== 초소형 모바일 (480px 이하) ========== */
@media (max-width: 480px) {
  .hero-title-big span { font-size: 24px; line-height: 32px; }
  .hero-subtitle { font-size: 16px; line-height: 24px; }
  .hero-title { font-size: 20px; }
  .section-badge span { font-size: 12px; padding: 8px 20px; }
  .problems-pre { font-size: 18px; }
  .problems-header h2 { font-size: 17px; line-height: 26px; }
  .compare-title, .compare-title-red { font-size: 18px; line-height: 26px; }
  .compare-col-left, .compare-col-right { font-size: 13px; padding: 10px 12px; }
  .compare-cell { font-size: 12px; padding: 8px 10px; }
  .program-title { font-size: 18px; line-height: 26px; }
  .solution-content h3 { font-size: 20px; }
  .data-right-content h2 { font-size: 20px; }
  .reviews-container h2 { font-size: 18px; line-height: 26px; }
  .footer-container h2 { font-size: 20px; line-height: 28px; }
  .hero-offer-item .check-icon { width: 24px; height: 24px; }
  .text-red-sm { font-size: 13px; }
  .hero-offer-points { font-size: 13px; }
  .btn-gradient-red { font-size: 14px; padding: 10px 16px; }
}