/* ==========================================================================
   OCEAN PROBE — Responsive Breakpoints Stylesheet
   ========================================================================== */

/* Universal Overflow Protection & Sizing */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw;
  width: 100%;
}

*, *::before, *::after {
  box-sizing: border-box;
}

/* 1200px Breakpoint (Laptops & Small Desktops) */
@media (max-width: 1200px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hero-title {
    font-size: 2.85rem;
  }

  .services-overview-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .sectors-4col-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .qhse-5cards-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
  }

  .supporting-values-5grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
  }

  .core-values-6grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
  }

  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

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

/* 1024px Breakpoint (Tablets Landscape) */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-desktop {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .header-vision-badge {
    display: none;
  }

  .hero-home {
    padding-top: 130px;
    min-height: auto;
    padding-bottom: 70px;
    background: linear-gradient(180deg, rgba(4, 14, 27, 0.88) 0%, rgba(4, 14, 27, 0.72) 100%), url('../images/hero/hero-home.png') center/cover no-repeat;
  }

  .hero-inner {
    padding: 130px 0 60px 0;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-trust-bar {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px;
  }

  .services-overview-grid,
  .services-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }

  .sectors-4col-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }

  .qhse-5cards-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 14px !important;
  }

  .supporting-values-5grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 12px !important;
  }

  .core-values-6grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 14px !important;
  }

  .partnerships-4grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }

  .about-pillars-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .quick-facts-4grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .vision-mission-3grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .org-departments-row {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 12px !important;
  }

  .org-departments-row::before,
  .org-dept-node::before {
    display: none;
  }

  .process-timeline {
    grid-template-columns: repeat(2, 1fr) !important;
    row-gap: 28px !important;
  }

  .process-timeline::before {
    display: none !important;
  }

  .capability-pillars-bar {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

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

  .cta-banner-content {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 28px;
  }

  .cta-banner-actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    width: 100%;
  }

  .cta-banner-actions .btn {
    width: auto;
  }

  .cta-banner-text {
    max-width: 100%;
  }

  .cta-banner-title {
    font-size: 1.85rem;
  }
}

/* 768px Breakpoint (Tablets Portrait & Mobile) */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  /* Section scroll margins for mobile sticky header */
  section[id], div[id], article[id], h2[id], h3[id] {
    scroll-margin-top: 80px;
  }

  .header-inner {
    height: 68px;
    gap: 12px;
  }

  .brand-logo {
    height: 44px;
  }

  .brand-logo img {
    height: 44px;
    max-height: 44px;
    width: auto;
  }

  .site-header.scrolled .header-inner {
    height: 58px;
  }

  .site-header.scrolled .brand-logo {
    height: 38px;
  }

  .site-header.scrolled .brand-logo img {
    height: 38px;
    max-height: 38px;
  }

  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.35rem; }

  .hero-title {
    font-size: 2.05rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-inner-title {
    font-size: 2.1rem;
  }

  .hero-trust-bar {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .services-grid,
  .services-overview-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .sectors-4col-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .qhse-5cards-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }

  .supporting-values-5grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .core-values-6grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .partnerships-4grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .about-pillars-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .quick-facts-4grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .vision-mission-3grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .pillars-grid {
    grid-template-columns: 1fr !important;
  }

  .ports-grid {
    grid-template-columns: 1fr !important;
  }

  .vessels-grid {
    grid-template-columns: 1fr !important;
  }

  .vision-mission-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    margin-bottom: 30px;
  }

  .governance-grid {
    grid-template-columns: 1fr !important;
    gap: 20px;
    margin-top: 30px;
  }

  .management-cycle-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  .capability-pillars-bar {
    grid-template-columns: 1fr !important;
    gap: 10px;
    padding: 18px;
  }

  .service-catalog-item {
    flex-direction: column;
    gap: 16px;
  }

  .service-card {
    padding: 24px 18px;
  }

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

  .process-timeline {
    grid-template-columns: 1fr !important;
    row-gap: 16px !important;
  }

  .process-timeline::before {
    display: none !important;
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    text-align: left;
    gap: 16px;
    background: var(--color-navy-card);
    padding: 18px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-dark);
  }

  .step-number {
    margin: 0;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }

  .org-chart-wrapper {
    padding: 20px 12px;
    overflow-x: visible;
    width: 100%;
  }

  .org-tree {
    width: 100%;
    min-width: 0;
  }

  .org-node {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 12px 14px;
    font-size: 0.92rem;
  }

  .org-departments-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    width: 100% !important;
    margin-top: 20px;
  }

  .org-departments-row::before,
  .org-dept-node::before {
    display: none !important;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-wrapper {
    padding: 24px 16px;
  }

  .contact-info-panel {
    padding: 24px 16px;
  }

  /* Modal Dialog on Mobile */
  .modal-backdrop {
    align-items: flex-start;
    padding: 12px 8px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .modal-dialog {
    width: 100%;
    max-width: 100%;
    margin: 10px auto 20px auto;
    border-radius: var(--radius-md);
  }

  .modal-header {
    padding: 12px 16px;
  }

  .modal-body {
    padding: 14px 14px 20px 14px;
    overflow: visible;
  }

  .modal-body .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* 480px & 360px Breakpoint (Mobile Phones) */
@media (max-width: 480px) {
  .container, .container-wide {
    padding-left: 14px;
    padding-right: 14px;
  }

  .header-inner {
    height: 62px;
    gap: 8px;
  }

  .brand-logo {
    height: 38px;
  }

  .brand-logo img {
    height: 38px;
    max-height: 38px;
    max-width: 135px;
  }

  .site-header.scrolled .header-inner {
    height: 54px;
  }

  .site-header.scrolled .brand-logo {
    height: 34px;
  }

  .site-header.scrolled .brand-logo img {
    height: 34px !important;
    max-height: 34px !important;
    max-width: 125px;
  }

  .header-right {
    gap: 8px;
  }

  .header-right .btn-sm {
    padding: 7px 11px;
    font-size: 0.74rem;
    letter-spacing: 0.2px;
    white-space: nowrap;
  }

  .mobile-nav-toggle {
    padding: 6px;
  }

  .hamburger-line {
    width: 22px;
    height: 2px;
    margin: 4px 0;
  }

  .hero-title {
    font-size: 1.7rem;
    line-height: 1.2;
  }

  .hero-inner-title {
    font-size: 1.65rem;
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .btn {
    width: 100%;
    padding: 13px 20px;
    font-size: 0.88rem;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .btn-group .btn {
    width: 100%;
  }

  .qhse-5cards-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .supporting-values-5grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .core-values-6grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .quick-facts-4grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }

  .cta-banner {
    padding: 28px 16px;
  }

  .cta-banner-title {
    font-size: 1.4rem;
  }

  .cta-banner-desc {
    font-size: 0.92rem;
  }

  .cta-banner-actions {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .cta-banner-actions .btn {
    width: 100%;
  }

  .service-card {
    padding: 18px 14px;
  }

  .port-body, .vessel-body {
    padding: 16px 14px;
  }

  .privacy-card {
    padding: 18px 12px;
  }
}

/* ==========================================================================
   LARGE DISPLAY BREAKPOINTS (1440p, 27-inch Desktops, 4K & Ultrawide)
   ========================================================================== */

/* 1440px Breakpoint (Large Desktop Monitors & Laptops) */
@media (min-width: 1440px) {
  :root {
    --container-max: 1360px;
    --container-wide: 1500px;
    --section-padding: 110px 0;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .hero-inner {
    padding: 190px 0 110px 0;
  }

  .services-overview-grid {
    gap: 24px;
  }

  .sectors-4col-grid {
    gap: 24px;
  }

  .qhse-5cards-grid {
    gap: 18px;
  }

  .supporting-values-5grid {
    gap: 16px;
  }

  .core-values-6grid {
    gap: 18px;
  }

  .quick-facts-4grid {
    gap: 20px;
  }
}

/* 1800px Breakpoint (27-inch 1440p QHD, Ultrawide 1440p) */
@media (min-width: 1800px) {
  :root {
    --container-max: 1560px;
    --container-wide: 1720px;
    --section-padding: 125px 0;
  }

  html {
    font-size: 17px;
  }

  .hero-title {
    font-size: 3.85rem;
    line-height: 1.18;
  }

  .hero-description {
    font-size: 1.25rem;
    max-width: 820px;
  }

  .hero-inner {
    padding: 210px 0 120px 0;
  }

  .hero-trust-bar {
    gap: 28px;
    padding: 32px 36px;
  }

  .section-header {
    max-width: 900px;
    margin-bottom: 60px;
  }

  .section-title {
    font-size: 2.65rem;
  }

  .section-subtitle {
    font-size: 1.2rem;
  }

  .service-card {
    padding: 32px 26px;
  }

  .pillar-card {
    padding: 36px 30px;
  }

  .supporting-value-card {
    padding: 26px 18px;
  }

  .supporting-value-title {
    font-size: 1rem;
  }

  .supporting-value-desc {
    font-size: 0.9rem;
  }

  .core-value-card {
    padding: 28px 16px;
    gap: 14px;
  }

  .core-value-icon {
    width: 52px;
    height: 52px;
  }

  .core-value-title {
    font-size: 1.05rem;
  }

  .services-overview-grid {
    gap: 26px;
  }

  .sectors-4col-grid {
    gap: 26px;
  }

  .qhse-5cards-grid {
    gap: 20px;
  }

  .supporting-values-5grid {
    gap: 18px;
  }

  .core-values-6grid {
    gap: 20px;
  }

  .quick-facts-4grid {
    gap: 22px;
  }

  .process-timeline {
    gap: 32px;
    margin-top: 55px;
  }

  .step-number {
    width: 80px;
    height: 80px;
    font-size: 1.55rem;
  }

  .step-title {
    font-size: 1.2rem;
  }

  .step-desc {
    font-size: 0.95rem;
  }

  .cta-banner {
    padding: 60px 48px;
  }

  .cta-banner-title {
    font-size: 2.35rem;
  }

  .cta-banner-desc {
    font-size: 1.15rem;
  }
}

/* 2400px Breakpoint (27"-32" 4K UHD & Large Ultrawide Displays) */
@media (min-width: 2400px) {
  :root {
    --container-max: 1840px;
    --container-wide: 2040px;
    --section-padding: 140px 0;
  }

  html {
    font-size: 18px;
  }

  .hero-title {
    font-size: 4.35rem;
    line-height: 1.16;
  }

  .hero-description {
    font-size: 1.35rem;
    max-width: 940px;
  }

  .hero-inner {
    padding: 230px 0 135px 0;
  }

  .hero-trust-bar {
    gap: 36px;
    padding: 38px 44px;
  }

  .section-header {
    max-width: 1040px;
    margin-bottom: 70px;
  }

  .section-title {
    font-size: 3rem;
  }

  .section-subtitle {
    font-size: 1.3rem;
  }

  .service-card {
    padding: 38px 30px;
  }

  .pillar-card {
    padding: 42px 34px;
  }

  .supporting-value-card {
    padding: 30px 22px;
  }

  .supporting-value-title {
    font-size: 1.08rem;
  }

  .supporting-value-desc {
    font-size: 0.96rem;
  }

  .core-value-card {
    padding: 32px 20px;
    gap: 16px;
  }

  .core-value-icon {
    width: 60px;
    height: 60px;
  }

  .core-value-title {
    font-size: 1.15rem;
  }

  .services-overview-grid {
    gap: 32px;
  }

  .sectors-4col-grid {
    gap: 32px;
  }

  .qhse-5cards-grid {
    gap: 24px;
  }

  .supporting-values-5grid {
    gap: 22px;
  }

  .core-values-6grid {
    gap: 24px;
  }

  .quick-facts-4grid {
    gap: 26px;
  }

  .process-timeline {
    gap: 40px;
    margin-top: 65px;
  }

  .step-number {
    width: 90px;
    height: 90px;
    font-size: 1.75rem;
  }

  .step-title {
    font-size: 1.3rem;
  }

  .step-desc {
    font-size: 1.05rem;
  }

  .cta-banner {
    padding: 70px 56px;
  }

  .cta-banner-title {
    font-size: 2.65rem;
  }

  .cta-banner-desc {
    font-size: 1.25rem;
  }
}