/* ===== RESPONSIVE ===== */

/* --- 1400px 이하 --- */
@media (max-width: 1400px) {
  .container {
    padding: 0 40px;
  }

  .section-title {
    font-size: 40px;
  }

  .section-subtitle {
    font-size: 22px;
    margin-bottom: 60px;
  }

  .hero {
    height: auto;
    padding: 140px 0 80px;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .pain-quotes {
    margin: 0 30px;
  }

  .solution-number-left,
  .solution-number-right {
    font-size: 120px;
  }

  .solution-number-right {
    margin-left: 160px;
  }

  .solution-item-title {
    font-size: 36px;
  }

  .admin-grid {
    gap: 48px;
  }

  .value {
    padding: 140px 0;
  }

  .pricing-recommend {
    flex-direction: column;
    gap: 48px;
  }

  .pricing-pack-card {
    width: 100%;
  }

  .pricing-title {
    font-size: 28px;
  }

  .pricing-desc {
    font-size: 20px;
    line-height: 32px;
  }

  .pricing-plans {
    gap: 32px;
  }

  .plan-enterprise::after {
    right: -100px;
    width: 120px;
    height: 170px;
  }

  .faq-question {
    font-size: 20px;
  }

  .faq-answer p {
    font-size: 20px;
  }
}

/* --- 1000px 이하 --- */
@media (max-width: 1000px) {
  .container {
    padding: 0 32px;
  }

  .section-title {
    font-size: 32px;
  }

  .section-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
  }

  /* Hero */
  .hero {
    height: auto;
    padding: 120px 0 60px;
  }

  .hero-grid {
    gap: 32px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
    margin-bottom: 32px;
  }

  /* Pain Point */
  .pain-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .pain-quotes {
    margin: 0 20px;
  }

  /* Solution */
  .solution-number-left,
  .solution-number-right {
    font-size: 100px;
  }

  .solution-number-right {
    margin-left: 140px;
  }

  .solution-item-body-left {
    margin-top: -10px;
    margin-left: 0;
  }

  .solution-item-body-right {
    margin-top: -50px;
  }

  .solution-item-title {
    font-size: 22px;
  }

  .solution-bullets li {
    font-size: 15px;
    line-height: 1.6;
  }

  /* How It Works */
  .steps-bottom-text {
    font-size: 20px;
  }

  /* Use Case */
  .usecase-column-title-left,
  .usecase-column-title-right {
    font-size: 18px;
  }

  .usecase-card {
    font-size: 15px;
  }

  .usecase-dots {
    display: none;
  }

  /* For Admin */
  .admin-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  /* Value */
  .value {
    padding: 120px 0;
  }

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

  /* Security */
  .security-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Target */
  .target-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Pricing */
  .pricing-recommend {
    flex-direction: column;
    gap: 48px;
  }

  .pricing-pack-card {
    width: 100%;
  }

  .pricing-title {
    font-size: 24px;
  }

  .pricing-desc {
    font-size: 18px;
    line-height: 28px;
  }

  .pricing-plans {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .plan-enterprise::after {
    right: -80px;
    width: 100px;
    height: 140px;
  }

  /* FAQ */
  .faq-question {
    font-size: 18px;
  }

  .faq-answer p {
    font-size: 18px;
  }

  /* CTA */
  .cta-title {
    font-size: 28px;
  }

  .cta-subtitle {
    font-size: 16px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

/* --- 태블릿 세로 / 모바일 (768px 이하) --- */
@media (max-width: 768px) {
  /* Container */
  .container {
    padding: 0 20px;
  }

  /* Nav */
  .nav {
    height: 64px;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 20px 24px;
    border-bottom: 1px solid #dee2e6;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  /* Section Common */
  .section-label {
    font-size: 18px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 24px;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .section-subtitle {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 40px;
  }

  /* Hero */
  .hero {
    height: auto;
    padding: 100px 0 60px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 28px;
    margin: 20px 0;
  }

  .hero-desc {
    font-size: 15px;
    margin-bottom: 32px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .hero-buttons .btn {
    text-align: center;
    margin-bottom: 0;
  }

  .hero-sub {
    font-size: 13px;
  }

  .hero-mockup {
    animation: none;
  }

  /* Pain Point */
  .pain-point {
    padding: 80px 0 60px;
  }

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

  .pain-card {
    padding: 24px;
  }

  .pain-card-title {
    font-size: 17px;
  }

  .pain-card-desc {
    font-size: 14px;
  }

  .pain-quotes {
    flex-direction: column;
    gap: 16px;
    margin: 0;
  }

  .quote-text {
    font-size: 14px;
  }

  /* Solution */
  .solution {
    padding: 80px 0 60px;
  }

  .solution-items {
    gap: 48px;
  }

  .solution-item-left,
  .solution-item-right {
    flex-direction: column;
    gap: 24px;
  }

  .solution-item-right .solution-text {
    order: 1;
  }

  .solution-item-right .solution-mockup {
    order: 2;
  }

  .solution-number-left,
  .solution-number-right {
    font-size: 80px;
    margin-left: 0;
  }

  .solution-item-body-left,
  .solution-item-body-right {
    margin-top: -50px;
    margin-left: 40px;
  }

  .solution-item-title {
    font-size: 24px;
  }

  .solution-bullets li {
    font-size: 14px;
  }

  /* How It Works */
  .how-it-works {
    padding: 80px 0 60px;
  }

  .steps {
    gap: 40px;
  }

  .step-label {
    font-size: 16px;
  }

  .step-desc {
    font-size: 14px;
  }

  .steps-bottom-text {
    font-size: 18px;
  }

  /* Use Case */
  .use-case {
    padding: 80px 0 60px;
  }

  .usecase-flex {
    flex-direction: column;
    gap: 32px;
  }

  .usecase-phone {
    order: -1;
  }

  .usecase-column {
    gap: 20px;
  }

  .usecase-flex > .usecase-column:last-child {
    flex-direction: row;
  }

  .usecase-column-title-left,
  .usecase-column-title-right {
    text-align: center;
    font-size: 18px;
  }

  .usecase-card {
    font-size: 14px;
    padding: 12px 18px;
  }

  .usecase-dots {
    flex-direction: row;
  }

  /* For Admin */
  .for-admin {
    padding: 80px 0 60px;
  }

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

  .dashboard-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 16px;
  }

  .stat-number {
    font-size: 24px;
  }

  .top5-row {
    grid-template-columns: 24px 1fr auto;
  }

  .top5-bar {
    display: none;
  }

  .admin-feature-card {
    padding: 18px 24px;
    font-size: 14px;
  }

  .admin-bottom-bar {
    padding: 16px 20px;
  }

  .admin-bottom-bar p {
    font-size: 15px;
  }

  /* Value */
  .value {
    padding: 100px 0;
  }

  .value-cards {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 60px;
  }

  .value-card {
    padding: 24px;
  }

  .value-number {
    font-size: 22px;
  }

  .value-subtitle {
    font-size: 15px;
  }

  .value-desc {
    font-size: 13px;
  }

  /* Security */
  .security {
    padding: 80px 0 60px;
  }

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

  .security-card {
    padding: 24px;
    border-radius: 20px;
  }

  .security-label {
    font-size: 14px;
  }

  .security-card-title {
    font-size: 20px;
  }

  .security-card-desc {
    font-size: 13px;
  }

  .security-tag {
    font-size: 11px;
  }

  /* Target */
  .target {
    padding: 80px 0 60px;
  }

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

  .target-card {
    padding: 20px;
  }

  .target-card-title {
    font-size: 14px;
  }

  .target-icon {
    width: 36px;
    height: 36px;
    font-size: 12px;
  }

  /* Pricing */
  .pricing {
    padding: 80px 0;
  }

  .pricing-section {
    margin-top: 60px;
  }

  .pricing-section-header {
    gap: 16px;
    margin-bottom: 24px;
  }

  .pricing-section-title {
    font-size: 16px;
  }

  .pricing-section-num {
    font-size: 16px;
  }

  .pricing-section-rule {
    width: 40px;
  }

  .pricing-title {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 12px;
  }

  .pricing-desc {
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 20px;
  }

  .pricing-recommend {
    flex-direction: column;
    gap: 24px;
  }

  .btn-primary-dark {
    font-size: 16px;
    padding: 14px 24px;
  }

  .pricing-pack-card {
    width: 100%;
    padding: 28px 20px;
    border-radius: 20px;
  }

  .pricing-pack-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .pricing-pack-name {
    font-size: 22px;
    line-height: 1.3;
  }

  .pricing-pack-badge {
    font-size: 14px;
    padding: 6px 14px;
  }

  .pricing-pack-price {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 20px;
  }

  .pricing-pack-features-grid {
    flex-direction: column;
    gap: 0;
  }

  .pricing-pack-features li {
    font-size: 14px;
    line-height: 24px;
  }

  .pricing-why {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-chart-row {
    gap: 20px;
  }

  .pricing-chart-label {
    font-size: 16px;
  }

  .pricing-chart-sub {
    font-size: 13px;
  }

  .pricing-plans {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .plan-card {
    padding: 28px 24px;
    border-radius: 20px;
  }

  .plan-tier {
    font-size: 20px;
  }

  .plan-tagline {
    font-size: 14px;
  }

  .plan-price {
    font-size: 26px;
  }

  .plan-price-enterprise span {
    font-size: 26px;
  }

  .plan-features li {
    font-size: 14px;
  }

  .plan-note {
    font-size: 14px;
  }

  .btn-plan {
    font-size: 18px;
    padding: 14px 24px;
  }

  .plan-enterprise::after {
    display: none;
  }

  /* FAQ */
  .faq-heading {
    font-size: 22px;
    margin-bottom: 32px;
  }

  .faq-question {
    font-size: 15px;
    padding: 18px 16px;
    line-height: 1.5;
  }

  .faq-icon {
    font-size: 22px;
    margin-right: 8px;
  }

  .faq-answer {
    padding: 0 16px 18px;
  }

  .faq-answer p {
    font-size: 14px;
    line-height: 1.7;
  }

  /* CTA */
  .cta {
    padding: 80px 0;
  }

  .cta-title {
    font-size: 24px;
  }

  .cta-subtitle {
    font-size: 15px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .cta-note {
    font-size: 12px;
  }

  /* Footer */
  .footer {
    padding: 40px 0 24px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* Scroll nav buttons */
  .scroll-nav-btns {
    bottom: 20px;
    right: 20px;
  }

  .scroll-nav-btn {
    width: 38px;
    height: 38px;
  }
}

/* --- 소형 모바일 (480px 이하) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 20px;
  }

  .section-subtitle {
    font-size: 14px;
    margin-bottom: 32px;
  }

  .hero {
    padding: 90px 0 40px;
  }

  .hero-badge {
    font-size: 12px;
    padding: 4px 12px;
  }

  .hero-title {
    font-size: 22px;
    margin: 16px 0;
  }

  .hero-desc {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .hero-sub {
    font-size: 12px;
  }

  .pain-card {
    padding: 20px;
  }

  .pain-card-title {
    font-size: 16px;
  }

  .solution-number-left,
  .solution-number-right {
    font-size: 60px;
  }

  .solution-item-body-left,
  .solution-item-body-right {
    margin-top: -35px;
    margin-left: 20px;
  }

  .solution-item-title {
    font-size: 20px;
  }

  .target-cards {
    grid-template-columns: 1fr;
  }

  .pricing-title {
    font-size: 18px;
  }

  .pricing-desc {
    font-size: 14px;
  }

  .pricing-pack-name {
    font-size: 18px;
  }

  .pricing-pack-price {
    font-size: 24px;
  }

  .plan-tier {
    font-size: 18px;
  }

  .plan-price {
    font-size: 22px;
  }

  .plan-price-enterprise span {
    font-size: 22px;
  }

  .faq-question {
    font-size: 14px;
    padding: 16px 12px;
  }

  .cta-title {
    font-size: 20px;
  }

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

  .scroll-nav-btns {
    bottom: 16px;
    right: 16px;
  }

  .scroll-nav-btn {
    width: 36px;
    height: 36px;
  }
}