@media (max-width: 1280px) {
  .header-container {
    gap: 12px;
    width: min(100% - 32px, var(--max-width));
  }

  .nav-link {
    padding: 0 7px;
    font-size: 0.78rem;
  }

  .header-cta {
    max-width: 138px;
    padding: 0 10px;
    font-size: 0.76rem;
  }

  .hero-container {
    gap: 42px;
  }

  .hero-title {
    font-size: clamp(1.9rem, 2.5vw, 2.85rem);
  }

  .hero-visual img {
    right: -16%;
    width: min(58vw, 720px);
  }

  .foundation-container {
    gap: 42px;
  }

  .foundation-title {
    font-size: clamp(1.65rem, 2.2vw, 2.35rem);
  }

  .web-basics-intro-container {
    width: min(100% - 32px, 940px);
  }
}

@media (max-width: 1100px) {
  .site-header {
    min-height: 68px;
  }

  .header-container {
    position: relative;
    min-height: 68px;
  }

  .brand {
    margin-right: auto;
  }

  .menu-toggle {
    display: inline-block;
    order: 3;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 8px;
    background: rgba(6, 12, 24, 0.97);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.46);
    opacity: 0;
    transition: max-height 220ms ease, opacity 180ms ease, border-color 180ms ease;
  }

  .primary-nav.is-open {
    max-height: 620px;
    border-color: var(--color-border);
    opacity: 1;
  }

  .nav-list {
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
    padding: 10px;
  }

  .nav-link {
    justify-content: flex-start;
    min-height: 44px;
    padding: 0 12px;
    font-size: 0.95rem;
    white-space: normal;
  }

  .nav-link::after {
    right: auto;
    bottom: 9px;
    left: 12px;
    width: 34px;
  }

  .header-actions {
    order: 2;
    gap: 10px;
  }

  .language-switch {
    padding: 8px 9px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.035);
  }

  .header-cta {
    display: none;
  }

  .mobile-nav-cta-item {
    display: block;
    padding-top: 8px;
  }

  .mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    background: linear-gradient(135deg, #0d73dd, var(--color-accent));
    box-shadow: 0 0 22px rgba(22, 136, 255, 0.22);
    color: #ffffff;
    font-size: 0.92rem;
    font-weight: 800;
    text-align: center;
  }

  .hero-section {
    min-height: auto;
  }

  .hero-container {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
    width: min(100% - 32px, var(--max-width));
    padding: 36px 0 42px;
  }

  .hero-title {
    font-size: clamp(1.82rem, 3.6vw, 2.75rem);
  }

  .hero-description {
    font-size: 0.92rem;
    line-height: 1.68;
  }

  .hero-features {
    gap: 8px;
  }

  .hero-features li {
    min-height: 32px;
    font-size: 0.76rem;
  }

  .hero-visual {
    min-height: 400px;
  }

  .hero-visual img {
    right: -22%;
    width: min(64vw, 590px);
  }

  .foundation-container {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
    width: min(100% - 32px, var(--max-width));
    gap: 30px;
    padding: 70px 0 76px;
  }

  .foundation-title {
    font-size: clamp(1.58rem, 3vw, 2.15rem);
  }

  .foundation-intro {
    font-size: 0.92rem;
    line-height: 1.68;
  }

  .foundation-items {
    gap: 11px;
    margin-top: 22px;
  }

  .foundation-item {
    padding: 14px;
  }

  .foundation-item h3 {
    font-size: 0.94rem;
  }

  .foundation-item p {
    font-size: 0.84rem;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .benefit-card::after {
    display: none;
  }

  .portfolio-showcase-container {
    width: min(100% - 32px, var(--max-width));
    padding: 72px 0 80px;
  }

  .portfolio-showcase-title {
    font-size: clamp(1.65rem, 2.2vw, 2.35rem);
  }

  .portfolio-slide {
    width: min(70vw, 680px);
  }

  .pricing-container {
    width: min(100% - 32px, var(--max-width));
  }

  .pricing-grid {
    gap: 14px;
  }

  .pricing-card {
    padding: 22px 17px 20px;
  }

  .pricing-price {
    font-size: clamp(1.65rem, 2.35vw, 2.25rem);
  }

  .web-basics-intro-container {
    padding: 40px 0 32px;
  }

  .web-basics-intro-title {
    font-size: clamp(1.7rem, 3vw, 2.35rem);
  }

  .web-basics-intro-text {
    line-height: 1.68;
  }
}

@media (max-width: 760px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 28px;
    width: min(100% - 28px, var(--max-width));
    padding: 38px 0 46px;
  }

  .hero-content {
    max-width: none;
  }

  .hero-title {
    font-size: clamp(1.85rem, 6.6vw, 2.65rem);
  }

  .hero-actions {
    gap: 12px;
  }

  .hero-visual {
    min-height: clamp(320px, 68vw, 460px);
    overflow: hidden;
  }

  .hero-visual img {
    right: 50%;
    width: min(104vw, 620px);
    transform: translate(50%, -50%);
    mask-image:
      linear-gradient(90deg, transparent 0%, #000 15%, #000 85%, transparent 100%),
      linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
    -webkit-mask-image:
      linear-gradient(90deg, transparent 0%, #000 15%, #000 85%, transparent 100%),
      linear-gradient(180deg, transparent 0%, #000 14%, #000 86%, transparent 100%);
  }

  .foundation-container {
    grid-template-columns: 1fr;
    gap: 32px;
    width: min(100% - 28px, var(--max-width));
    padding: 58px 0 66px;
  }

  .foundation-content {
    max-width: none;
  }

  .foundation-title {
    font-size: clamp(1.62rem, 6.2vw, 2.25rem);
  }

  .foundation-visual {
    order: 2;
  }

  .foundation-visual-shell {
    flex-basis: 100%;
    width: 100%;
  }

  .earth-image {
    left: 27.5%;
    top: 4.5%;
    width: 45.5%;
  }

  .web-basics-intro-container {
    width: min(100% - 28px, 760px);
    padding: 38px 0 30px;
  }

  .web-basics-intro-title {
    font-size: clamp(1.6rem, 6.4vw, 2.25rem);
  }

  .website-benefits-container {
    width: min(100% - 28px, var(--max-width));
    padding: 58px 0 66px;
  }

  .website-benefits-title {
    font-size: clamp(1.62rem, 6.2vw, 2.25rem);
  }

  .website-benefits-intro {
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .benefits-grid {
    gap: 14px;
    margin-top: 30px;
  }

  .portfolio-showcase-container {
    width: min(100% - 28px, var(--max-width));
    padding: 58px 0 66px;
  }

  .portfolio-showcase-title {
    font-size: clamp(1.62rem, 6.2vw, 2.25rem);
  }

  .portfolio-showcase-intro {
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .portfolio-carousel {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .portfolio-stage {
    height: clamp(310px, 58vw, 430px);
    perspective: none;
  }

  .portfolio-slide {
    top: 0;
    width: min(82vw, 620px);
  }

  .portfolio-slide.is-prev {
    opacity: 0.24;
    transform: translateX(-118%) scale(0.82);
  }

  .portfolio-slide.is-next {
    opacity: 0.24;
    transform: translateX(18%) scale(0.82);
  }

  .portfolio-slide.is-far-prev,
  .portfolio-slide.is-far-next {
    opacity: 0;
  }

  .portfolio-control {
    position: absolute;
    top: 45%;
  }

  .portfolio-control-prev {
    left: 0;
  }

  .portfolio-control-next {
    right: 0;
  }

  .pricing-container {
    width: min(100% - 28px, var(--max-width));
    padding: 58px 0 66px;
  }

  .pricing-title {
    font-size: clamp(1.62rem, 6.2vw, 2.25rem);
  }

  .pricing-intro {
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 34px;
  }

  .pricing-card {
    transform: translateY(18px);
  }

  .pricing-card-featured {
    transform: translateY(18px);
  }

}

@media (max-width: 520px) {
  .header-container {
    width: min(100% - 22px, var(--max-width));
  }

  .brand-name {
    font-size: 1.08rem;
  }

  .brand-tagline {
    font-size: 0.66rem;
  }

  .language-switch {
    font-size: 0.76rem;
  }

  .hero-container {
    gap: 30px;
    width: min(100% - 24px, var(--max-width));
    padding: 38px 0 44px;
  }

  .hero-badge {
    min-height: 32px;
    max-width: 100%;
    padding: 0 11px;
    font-size: 0.72rem;
    white-space: normal;
  }

  .hero-title {
    gap: 3px;
    font-size: clamp(1.72rem, 8.4vw, 2.42rem);
    line-height: 1.08;
  }

  .hero-description {
    margin-top: 20px;
    font-size: 0.96rem;
    line-height: 1.75;
  }

  .hero-features {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 22px;
  }

  .hero-features li {
    width: 100%;
    white-space: normal;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 24px;
  }

  .hero-btn {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
  }

  .hero-visual {
    min-height: clamp(280px, 72vw, 390px);
  }

  .hero-visual::before {
    inset: 0;
  }

  .hero-visual img {
    width: min(108vw, 490px);
  }

  .section-badge {
    min-height: 32px;
    max-width: 100%;
    padding: 0 11px;
    font-size: 0.72rem;
    white-space: normal;
  }

  .foundation-container {
    gap: 28px;
    width: min(100% - 24px, var(--max-width));
    padding: 50px 0 58px;
  }

  .foundation-title {
    font-size: clamp(1.48rem, 7vw, 2.05rem);
    line-height: 1.18;
  }

  .foundation-intro {
    margin-top: 16px;
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .foundation-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .foundation-number {
    width: 32px;
    height: 32px;
  }

  .foundation-item h3 {
    font-size: 0.96rem;
  }

  .foundation-item p {
    font-size: 0.88rem;
  }

  .foundation-visual-shell {
    margin-inline: -8px;
  }

  .website-benefits-container {
    width: min(100% - 24px, var(--max-width));
    padding: 50px 0 58px;
  }

  .website-benefits-title {
    font-size: clamp(1.48rem, 7vw, 2.05rem);
    line-height: 1.18;
  }

  .website-benefits-intro {
    margin-top: 16px;
  }

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

  .benefit-card {
    min-height: 0;
    padding: 20px 16px 18px;
  }

  .benefit-card h3 {
    font-size: 0.96rem;
  }

  .benefit-card p {
    font-size: 0.88rem;
  }

  .portfolio-showcase-container {
    width: min(100% - 24px, var(--max-width));
    padding: 50px 0 58px;
  }

  .portfolio-showcase-badge {
    min-height: 32px;
    font-size: 0.72rem;
  }

  .portfolio-showcase-title {
    font-size: clamp(1.48rem, 7vw, 2.05rem);
    line-height: 1.18;
  }

  .portfolio-showcase-intro {
    margin-top: 16px;
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .portfolio-stage {
    height: clamp(270px, 76vw, 390px);
  }

  .portfolio-slide {
    width: 100%;
    padding: 8px;
  }

  .portfolio-slide img {
    height: clamp(245px, 70vw, 350px);
  }

  .portfolio-control {
    top: 37%;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }

  .portfolio-dots {
    margin-top: 16px;
  }

  .pricing-container {
    width: min(100% - 24px, var(--max-width));
    padding: 50px 0 58px;
  }

  .pricing-badge {
    min-height: 32px;
    font-size: 0.72rem;
  }

  .pricing-title {
    font-size: clamp(1.48rem, 7vw, 2.05rem);
    line-height: 1.18;
  }

  .pricing-intro {
    margin-top: 16px;
    font-size: 0.94rem;
    line-height: 1.72;
  }

  .pricing-card {
    padding: 20px 16px 18px;
  }

  .pricing-card-top h3 {
    font-size: 1.12rem;
  }

  .pricing-price {
    font-size: 2rem;
  }

  .pricing-features li {
    font-size: 0.86rem;
  }

  .pricing-cta {
    min-height: 48px;
  }

  .inquiry-modal {
    padding: 12px;
  }

  .inquiry-dialog {
    max-height: 92vh;
  }

  .inquiry-content {
    padding: 24px 16px;
  }

  .inquiry-fields {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .selected-package-card input {
    font-size: 0.98rem;
  }

  .inquiry-submit {
    width: 100%;
    min-height: 48px;
  }

  .web-basics-intro-container {
    width: min(100% - 24px, 520px);
    padding: 34px 0 28px;
  }

  .web-basics-intro-title {
    font-size: clamp(1.45rem, 7vw, 2rem);
    line-height: 1.2;
  }

  .web-basics-intro-text {
    margin-top: 15px;
  }
}