/*
Theme Name: North Africa System Duna
Theme URI: https://north-africa-system.com
Author: North Africa System
Description: Thème WordPress professionnel pour une société d'infrastructure réseau, fibre optique, vidéosurveillance, contrôle d'accès et solutions clés en main.
Version: 5.4.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
Text Domain: north-africa-system-duna
*/

:root {
  --nas-ink: #111827;
  --nas-muted: #5b6472;
  --nas-line: #d9e2ec;
  --nas-blue: #0b67c2;
  --nas-cyan: #00a7d8;
  --nas-green: #12a36f;
  --nas-red: #d94545;
  --nas-soft: #f4f8fb;
  --nas-panel: #ffffff;
  --nas-shadow: 0 18px 50px rgba(17, 24, 39, 0.12);
  --nas-radius: 8px;
  --nas-max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--nas-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #ffffff;
  line-height: 1.6;
}

body.nas-menu-open {
  overflow-x: hidden;
}

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

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

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nas-container {
  width: min(100% - 32px, var(--nas-max));
  margin: 0 auto;
}

.nas-topbar {
  color: #ffffff;
  background: #122033;
  font-size: 0.875rem;
}

.nas-topbar__inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.nas-topbar__links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nas-topbar a {
  color: rgba(255, 255, 255, 0.9);
}

.nas-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(217, 226, 236, 0.85);
  backdrop-filter: blur(16px);
  transition: box-shadow 220ms ease, background 220ms ease;
}

.nas-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 32px rgba(17, 24, 39, 0.08);
}

.nas-header__inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nas-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  font-weight: 800;
  letter-spacing: 0;
}

.nas-brand__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--nas-blue), var(--nas-green));
  border-radius: 8px;
  font-weight: 900;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.nas-brand:hover .nas-brand__mark {
  transform: rotate(-4deg) scale(1.04);
  box-shadow: 0 10px 24px rgba(11, 103, 194, 0.24);
}

.nas-brand__name {
  display: block;
  font-size: 1rem;
}

.nas-brand__tag {
  display: block;
  color: var(--nas-muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.nas-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.95rem;
  font-weight: 700;
}

.nas-nav__list {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nas-nav a {
  position: relative;
  color: #253044;
}

.nas-nav a:hover {
  color: var(--nas-blue);
}

.nas-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  content: "";
  background: var(--nas-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nas-nav a:hover::after {
  transform: scaleX(1);
}

.nas-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  background: #ffffff;
}

.nas-menu-toggle span,
.nas-menu-toggle span::before,
.nas-menu-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  content: "";
  background: var(--nas-ink);
}

.nas-menu-toggle span::before {
  transform: translateY(-7px);
}

.nas-menu-toggle span::after {
  transform: translateY(5px);
}

.nas-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--nas-radius);
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.nas-button:hover {
  transform: translateY(-2px);
}

.nas-button--primary {
  color: #ffffff;
  background: var(--nas-blue);
  box-shadow: 0 12px 28px rgba(11, 103, 194, 0.28);
}

.nas-button--primary:hover {
  background: #0758a9;
  box-shadow: 0 16px 34px rgba(11, 103, 194, 0.34);
}

.nas-button--ghost {
  color: var(--nas-ink);
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--nas-line);
}

.nas-button--ghost:hover {
  color: var(--nas-blue);
  background: #ffffff;
  border-color: rgba(11, 103, 194, 0.42);
}

.nas-hero {
  position: relative;
  min-height: clamp(620px, 84vh, 790px);
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.nas-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.89) 31%, rgba(255, 255, 255, 0.48) 56%, rgba(255, 255, 255, 0.05) 100%),
    var(--nas-hero-image) center / cover no-repeat;
  z-index: -2;
  animation: nasHeroZoom 18s ease-in-out infinite alternate;
}

.nas-hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  content: "";
  background: linear-gradient(180deg, rgba(244, 248, 251, 0), #f4f8fb);
  z-index: -1;
}

.nas-hero__content {
  max-width: 650px;
  padding: 64px 0 120px;
}

.nas-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--nas-blue);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nas-eyebrow::before {
  width: 32px;
  height: 3px;
  content: "";
  background: var(--nas-green);
}

.nas-hero h1 {
  margin: 0;
  font-size: clamp(2.55rem, 6vw, 5.35rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.nas-hero p {
  max-width: 590px;
  margin: 24px 0 0;
  color: #2e3747;
  font-size: clamp(1.02rem, 1.5vw, 1.25rem);
}

.nas-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.nas-hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 44px;
}

.nas-metric {
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(217, 226, 236, 0.82);
  border-radius: var(--nas-radius);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.nas-metric:hover {
  transform: translateY(-4px);
  border-color: rgba(18, 163, 111, 0.42);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.1);
}

.nas-metric strong {
  display: block;
  color: var(--nas-blue);
  font-size: 1.5rem;
  line-height: 1.1;
}

.nas-metric span {
  display: block;
  margin-top: 6px;
  color: var(--nas-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.nas-section {
  padding: 92px 0;
}

.nas-section--soft {
  background: var(--nas-soft);
}

.nas-section--ink {
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(18, 32, 51, 0.98), rgba(14, 58, 87, 0.96)),
    linear-gradient(90deg, var(--nas-blue), var(--nas-green));
}

.nas-section__head {
  max-width: 740px;
  margin-bottom: 44px;
}

.nas-section__head h2,
.nas-split h2,
.nas-contact h2 {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.nas-section__head p,
.nas-split p,
.nas-contact p {
  margin: 18px 0 0;
  color: var(--nas-muted);
  font-size: 1.05rem;
}

.nas-section--ink .nas-section__head p,
.nas-section--ink .nas-split p {
  color: rgba(255, 255, 255, 0.78);
}

.nas-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.nas-card {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  padding: 26px;
  background: var(--nas-panel);
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  box-shadow: 0 8px 26px rgba(17, 24, 39, 0.05);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.nas-card:hover {
  transform: translateY(-6px);
  border-color: rgba(11, 103, 194, 0.38);
  box-shadow: var(--nas-shadow);
}

.nas-card::after {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--nas-blue), var(--nas-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.nas-card:hover::after {
  transform: scaleX(1);
}

.nas-service-card {
  padding: 0;
}

.nas-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e8eef5;
}

.nas-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 520ms ease, filter 520ms ease;
}

.nas-service-card:hover .nas-card__media img {
  transform: scale(1.06);
  filter: saturate(1.08) contrast(1.03);
}

.nas-card__media .nas-icon {
  position: absolute;
  left: 18px;
  bottom: 18px;
  margin: 0;
  background: rgba(18, 32, 51, 0.9);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.24);
}

.nas-card__body {
  padding: 24px 26px 28px;
}

.nas-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: #ffffff;
  background: #122033;
  border-radius: var(--nas-radius);
  transition: transform 200ms ease, background 200ms ease;
}

.nas-card:hover .nas-icon,
.nas-contact__item:hover .nas-icon {
  transform: translateY(-2px);
  background: var(--nas-blue);
}

.nas-icon svg {
  width: 23px;
  height: 23px;
}

.nas-card h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.25;
}

.nas-card p {
  margin: 12px 0 0;
  color: var(--nas-muted);
}

.nas-card ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.nas-card li {
  display: flex;
  gap: 9px;
  color: #354154;
  font-size: 0.94rem;
}

.nas-card li::before {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  margin-top: 9px;
  content: "";
  background: var(--nas-green);
  border-radius: 50%;
}

.nas-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.nas-process {
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.nas-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--nas-radius);
}

.nas-step::before {
  counter-increment: step;
  content: "0" counter(step);
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.14);
  border-radius: var(--nas-radius);
  font-weight: 900;
}

.nas-step h3 {
  margin: 0 0 5px;
  font-size: 1.05rem;
}

.nas-step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.95rem;
}

.nas-brands {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.nas-brand-tile {
  min-height: 108px;
  display: grid;
  place-items: center;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  color: #253044;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 900;
  text-align: center;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.nas-brand-tile:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 103, 194, 0.34);
  box-shadow: 0 16px 36px rgba(17, 24, 39, 0.1);
}

.nas-brand-tile:nth-child(2) {
  color: var(--nas-red);
}

.nas-brand-tile:nth-child(3) {
  color: var(--nas-green);
}

.nas-brand-tile:nth-child(4) {
  color: var(--nas-blue);
}

.nas-solutions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.nas-solution {
  padding: 30px;
  background: #ffffff;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.nas-solution:hover {
  transform: translateY(-5px);
  border-color: rgba(11, 103, 194, 0.36);
  box-shadow: var(--nas-shadow);
}

.nas-solution h3 {
  margin: 0;
  font-size: 1.35rem;
}

.nas-solution p {
  margin: 12px 0 0;
  color: var(--nas-muted);
}

.nas-contact {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 34px;
  align-items: start;
}

.nas-contact__panel {
  padding: 30px;
  background: #ffffff;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  box-shadow: var(--nas-shadow);
}

.nas-contact__list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
}

.nas-contact__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--nas-soft);
  border-radius: var(--nas-radius);
  transition: transform 180ms ease, background 180ms ease;
}

.nas-contact__item:hover {
  transform: translateX(4px);
  background: #ffffff;
}

.nas-contact__item strong {
  display: block;
}

.nas-contact__item span,
.nas-contact__item a {
  color: var(--nas-muted);
}

.nas-form {
  display: grid;
  gap: 14px;
}

.nas-form-notice {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 0.94rem;
  font-weight: 800;
}

.nas-form-notice--success {
  color: #075c3e;
  background: #e7f8ef;
  border: 1px solid rgba(18, 163, 111, 0.28);
}

.nas-form-notice--error {
  color: #9f1239;
  background: #fff1f2;
  border: 1px solid rgba(225, 29, 72, 0.25);
}

.nas-field {
  display: grid;
  gap: 7px;
}

.nas-field label {
  color: #253044;
  font-size: 0.9rem;
  font-weight: 800;
}

.nas-field legend {
  margin: 0 0 8px;
  color: #253044;
  font-size: 0.9rem;
  font-weight: 800;
}

.nas-field input,
.nas-field textarea,
.nas-field select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  font: inherit;
  color: var(--nas-ink);
  background: #ffffff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.nas-field input:focus,
.nas-field textarea:focus,
.nas-field select:focus {
  outline: none;
  border-color: var(--nas-blue);
  box-shadow: 0 0 0 4px rgba(11, 103, 194, 0.12);
}

.nas-field textarea {
  min-height: 128px;
  resize: vertical;
}

.nas-checks {
  margin: 0;
  padding: 0;
  border: 0;
}

.nas-checks label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--nas-line);
  border-radius: var(--nas-radius);
  background: #ffffff;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.nas-checks label:hover {
  transform: translateY(-1px);
  border-color: rgba(11, 103, 194, 0.38);
  background: #f8fbfd;
}

.nas-checks input {
  width: 18px;
  height: 18px;
  min-height: auto;
  padding: 0;
  accent-color: var(--nas-blue);
}

[data-nas-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms ease;
}

[data-nas-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes nasHeroZoom {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.035);
  }
}

.nas-footer {
  color: rgba(255, 255, 255, 0.78);
  background: #0e1726;
  padding: 34px 0;
}

.nas-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.nas-footer strong {
  color: #ffffff;
}

@media (max-width: 980px) {
  .nas-nav {
    position: absolute;
    inset: 74px 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--nas-line);
    border-radius: var(--nas-radius);
    box-shadow: var(--nas-shadow);
  }

  .nas-nav.is-open {
    display: flex;
  }

  .nas-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nas-nav a {
    display: block;
    padding: 14px;
  }

  .nas-nav a::after {
    bottom: 8px;
    left: 14px;
    right: auto;
    width: 32px;
  }

  .nas-menu-toggle {
    display: grid;
  }

  .nas-grid,
  .nas-split,
  .nas-contact {
    grid-template-columns: 1fr;
  }

  .nas-hero::before {
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 54%, rgba(255, 255, 255, 0.36) 100%),
      var(--nas-hero-image) center / cover no-repeat;
  }
}

@media (max-width: 720px) {
  .nas-topbar__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 0;
    gap: 8px;
  }

  .nas-hero {
    min-height: 720px;
  }

  .nas-hero__content {
    padding: 44px 0 92px;
  }

  .nas-hero__metrics,
  .nas-brands,
  .nas-solutions {
    grid-template-columns: 1fr;
  }

  .nas-section {
    padding: 68px 0;
  }

  .nas-card,
  .nas-solution,
  .nas-contact__panel {
    padding: 22px;
  }

  .nas-service-card {
    padding: 0;
  }

  .nas-card__body {
    padding: 22px;
  }
}

/* Version 5.3: full-photo hero, Duna-like */
.nas-hero--duna {
  min-height: clamp(760px, 92vh, 980px);
  padding: 96px 0 140px;
  align-items: start;
  background:
    linear-gradient(180deg, rgba(247, 249, 252, 0.18) 0%, rgba(247, 249, 252, 0.42) 36%, #fbfcfe 78%, #fbfcfe 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.18)),
    var(--nas-hero-image) center top / cover no-repeat;
}

.nas-hero-grid {
  display: block;
  position: relative;
}

.nas-hero--duna .nas-hero__content {
  max-width: 980px;
  margin: 0 auto;
  padding-top: clamp(58px, 9vh, 110px);
  text-align: center;
}

.nas-hero--duna .nas-eyebrow {
  justify-content: center;
}

.nas-hero--duna .nas-eyebrow::before {
  display: none;
}

.nas-hero--duna h1 {
  max-width: 980px;
  margin-inline: auto;
  font-size: clamp(3.8rem, 7.6vw, 7.35rem);
  line-height: 0.95;
}

.nas-hero--duna .nas-hero__content > p:not(.nas-eyebrow) {
  max-width: 760px;
  margin-inline: auto;
  color: #4d586a;
}

.nas-hero--duna .nas-hero__actions {
  justify-content: center;
}

.nas-hero-panel {
  min-height: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.nas-hero-panel__image {
  display: none;
}

.nas-hero-panel__card {
  width: min(250px, calc(50vw - 36px));
  background: rgba(255, 255, 255, 0.86);
}

.nas-hero-panel__card--top {
  top: clamp(36px, 8vh, 76px);
  left: 0;
}

.nas-hero-panel__card--bottom {
  top: clamp(150px, 24vh, 240px);
  right: 0;
  bottom: auto;
}

.nas-proof {
  margin-top: -92px;
}

@media (max-width: 980px) {
  .nas-hero-panel {
    display: none;
  }
}

@media (max-width: 720px) {
  .nas-hero--duna {
    padding: 62px 0 118px;
    background:
      linear-gradient(180deg, rgba(247, 249, 252, 0.24) 0%, rgba(247, 249, 252, 0.58) 46%, #fbfcfe 84%, #fbfcfe 100%),
      var(--nas-hero-image) 58% top / cover no-repeat;
  }

  .nas-hero--duna .nas-hero__content {
    padding-top: 48px;
  }

  .nas-hero--duna h1 {
    font-size: clamp(3rem, 14vw, 4.7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-nas-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Duna-inspired visual direction */
:root {
  --nas-ink: #0d1321;
  --nas-muted: #657184;
  --nas-line: #dfe6ef;
  --nas-blue: #0f6fdd;
  --nas-green: #19b47a;
  --nas-soft: #f5f7fb;
  --nas-panel: #ffffff;
  --nas-shadow: 0 24px 80px rgba(12, 19, 33, 0.14);
  --nas-radius: 22px;
  --nas-max: 1200px;
}

body {
  background: #fbfcfe;
}

.nas-topbar {
  background: #0d1321;
}

.nas-header {
  position: sticky;
  top: 0;
  background: rgba(251, 252, 254, 0.86);
  border-bottom-color: rgba(13, 19, 33, 0.08);
}

.nas-header__inner {
  min-height: 84px;
}

.nas-brand__mark {
  border-radius: 14px;
  background: #0d1321;
}

.nas-brand__name {
  font-size: 1.05rem;
}

.nas-brand__tag {
  color: #778397;
}

.nas-nav a {
  color: #1d2738;
}

.nas-button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 14px;
}

.nas-button--primary {
  background: #0d1321;
  box-shadow: 0 18px 38px rgba(13, 19, 33, 0.22);
}

.nas-button--primary:hover {
  background: #182236;
}

.nas-button--ghost {
  background: #ffffff;
}

.nas-hero--duna {
  min-height: clamp(760px, 86vh, 930px);
  padding: 76px 0 88px;
  background:
    radial-gradient(circle at 12% 18%, rgba(25, 180, 122, 0.16), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(15, 111, 221, 0.13), transparent 26%),
    #f7f9fc;
}

.nas-hero--duna::before,
.nas-hero--duna::after {
  display: none;
}

.nas-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.78fr);
  gap: 44px;
  align-items: center;
}

.nas-hero--duna .nas-hero__content {
  max-width: 760px;
  padding: 0;
}

.nas-hero--duna h1 {
  max-width: 820px;
  font-size: clamp(3.55rem, 6.8vw, 6.15rem);
  line-height: 0.94;
  overflow-wrap: anywhere;
}

.nas-hero--duna .nas-hero__content > p:not(.nas-eyebrow) {
  max-width: 660px;
  color: #3b4659;
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
}

.nas-hero-panel {
  position: relative;
  min-height: 590px;
  border: 1px solid rgba(13, 19, 33, 0.08);
  border-radius: 34px;
  background: #ffffff;
  box-shadow: var(--nas-shadow);
  overflow: hidden;
}

.nas-hero-panel__image {
  position: absolute;
  inset: 16px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(13, 19, 33, 0.12)),
    var(--nas-hero-image) 62% center / cover no-repeat;
}

.nas-hero-panel__card {
  position: absolute;
  width: min(246px, 70%);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 20px;
  color: #0d1321;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 54px rgba(13, 19, 33, 0.16);
  backdrop-filter: blur(18px);
}

.nas-hero-panel__card strong {
  display: block;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.1;
  white-space: nowrap;
}

.nas-hero-panel__card span {
  display: block;
  margin-top: 5px;
  color: #566277;
  font-weight: 700;
}

.nas-hero-panel__card--top {
  top: 34px;
  left: 24px;
}

.nas-hero-panel__card--bottom {
  right: 24px;
  bottom: 42px;
}

.nas-proof {
  margin-top: -46px;
  position: relative;
  z-index: 3;
}

.nas-proof__inner {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 18px;
  border: 1px solid rgba(13, 19, 33, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 60px rgba(13, 19, 33, 0.1);
  backdrop-filter: blur(18px);
}

.nas-proof span {
  padding: 10px 14px;
  border: 1px solid #e5ebf2;
  border-radius: 999px;
  background: #ffffff;
  color: #1d2738;
  font-size: 0.9rem;
  font-weight: 850;
}

.nas-section {
  padding: 110px 0;
}

.nas-section__head--wide {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(340px, 0.88fr);
  gap: 42px;
  align-items: center;
  max-width: none;
}

.nas-section__head--wide .nas-eyebrow,
.nas-section__head--wide p:not(.nas-eyebrow) {
  grid-column: 1;
}

.nas-section__head--wide h2 {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.nas-section__head--wide p:not(.nas-eyebrow) {
  margin-bottom: 6px;
}

.nas-section__head h2,
.nas-split h2,
.nas-contact h2,
.nas-platform h2 {
  font-size: clamp(2.55rem, 4.4vw, 4.45rem);
  line-height: 0.98;
}

.nas-service-mosaic {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.nas-service-card {
  border-radius: 24px;
}

.nas-service-card--featured {
  grid-column: span 2;
}

.nas-service-card--featured .nas-card__media {
  aspect-ratio: 16 / 7.2;
}

.nas-card__media {
  border-radius: 0;
}

.nas-card__body {
  padding: 26px;
}

.nas-card h3 {
  font-size: 1.45rem;
}

.nas-section--dark {
  color: #ffffff;
  background:
    radial-gradient(circle at 18% 20%, rgba(25, 180, 122, 0.18), transparent 28%),
    linear-gradient(135deg, #0d1321, #172035 64%, #0d1321);
}

.nas-platform {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.nas-platform p,
.nas-section--dark .nas-eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.nas-platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.nas-platform-grid article {
  min-height: 210px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.07);
  transition: transform 220ms ease, background 220ms ease;
}

.nas-platform-grid article:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.11);
}

.nas-platform-grid span {
  color: #54d9a5;
  font-weight: 900;
}

.nas-platform-grid strong {
  display: block;
  margin-top: 42px;
  font-size: 1.32rem;
}

.nas-platform-grid p {
  margin: 10px 0 0;
}

.nas-brand-cloud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.nas-brand-tile {
  min-height: 142px;
  align-content: center;
  gap: 10px;
  border-radius: 24px;
}

.nas-brand-logo {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  font-weight: 950;
  letter-spacing: 0;
}

.nas-brand-tile small {
  color: #748094;
  font-size: 0.78rem;
  font-weight: 800;
}

.nas-brand-tile:nth-child(1) .nas-brand-logo { color: #d71920; }
.nas-brand-tile:nth-child(2) .nas-brand-logo { color: #222f8f; }
.nas-brand-tile:nth-child(3) .nas-brand-logo { color: #16a05d; }
.nas-brand-tile:nth-child(4) .nas-brand-logo { color: #0892d0; }
.nas-brand-tile:nth-child(5) .nas-brand-logo { color: #0076ce; }
.nas-brand-tile:nth-child(6) .nas-brand-logo { color: #e2231a; }
.nas-brand-tile:nth-child(7) .nas-brand-logo { color: #101820; }
.nas-brand-tile:nth-child(8) .nas-brand-logo { color: #00b8a9; }

.nas-split--duna .nas-process {
  counter-reset: step;
}

.nas-split--duna .nas-step {
  color: #0d1321;
  background: #ffffff;
  border-color: #e5ebf2;
  box-shadow: 0 16px 48px rgba(13, 19, 33, 0.08);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.nas-split--duna .nas-step:hover {
  transform: translateX(8px) translateY(-4px);
  border-color: rgba(15, 111, 221, 0.28);
  box-shadow: 0 24px 70px rgba(13, 19, 33, 0.14);
}

.nas-split--duna .nas-step::before {
  color: #0d1321;
  background: #eef4fb;
  transition: transform 260ms ease, background 260ms ease, color 260ms ease;
}

.nas-split--duna .nas-step:hover::before {
  transform: scale(1.06);
  color: #ffffff;
  background: #0f6fdd;
}

.nas-split--duna .nas-step p {
  color: #657184;
}

.nas-section--contact {
  background: #eef3f8;
}

.nas-contact__panel {
  border-radius: 26px;
}

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

@media (max-width: 980px) {
  .nas-hero-grid,
  .nas-section__head--wide,
  .nas-platform {
    grid-template-columns: 1fr;
  }

  .nas-section__head--wide .nas-eyebrow,
  .nas-section__head--wide p:not(.nas-eyebrow),
  .nas-section__head--wide h2 {
    grid-column: auto;
    grid-row: auto;
  }

  .nas-hero-panel {
    min-height: 520px;
  }

  .nas-service-mosaic,
  .nas-brand-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nas-service-card--featured {
    grid-column: span 1;
  }

  .nas-service-card--featured .nas-card__media {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 720px) {
  .nas-hero--duna {
    min-height: auto;
    padding: 58px 0 80px;
  }

  .nas-hero--duna h1 {
    font-size: clamp(2.9rem, 13.4vw, 4.45rem);
    overflow-wrap: normal;
  }

  .nas-hero-panel {
    min-height: 430px;
  }

  .nas-hero-panel__card--top {
    left: 16px;
  }

  .nas-hero-panel__card--bottom {
    right: 16px;
  }

  .nas-service-mosaic,
  .nas-platform-grid,
  .nas-brand-cloud,
  .nas-checks {
    grid-template-columns: 1fr;
  }
}

/* Final v5.3 overrides */
.nas-hero--duna {
  min-height: clamp(680px, 86vh, 880px);
  padding: 84px 0 128px;
  align-items: start;
  background:
    linear-gradient(180deg, rgba(247, 249, 252, 0.04) 0%, rgba(247, 249, 252, 0.18) 42%, #fbfcfe 88%, #fbfcfe 100%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.56), rgba(255, 255, 255, 0.04)),
    var(--nas-hero-image) center top / cover no-repeat;
}

.nas-hero-grid {
  display: block;
  position: relative;
}

.nas-hero--duna .nas-hero__content {
  max-width: 880px;
  margin: 0 auto;
  padding-top: clamp(44px, 7vh, 82px);
  text-align: center;
}

.nas-hero--duna .nas-eyebrow {
  justify-content: center;
}

.nas-hero--duna .nas-eyebrow::before,
.nas-hero--duna::before,
.nas-hero--duna::after,
.nas-hero-panel__image {
  display: none;
}

.nas-hero--duna h1 {
  max-width: 860px;
  margin-inline: auto;
  font-size: clamp(3.25rem, 5.5vw, 5.6rem);
  line-height: 0.97;
}

.nas-hero--duna .nas-hero__content > p:not(.nas-eyebrow) {
  max-width: 760px;
  margin-inline: auto;
  color: #4d586a;
}

.nas-hero--duna .nas-hero__actions {
  justify-content: center;
}

.nas-hero-panel,
.nas-hero-panel__card {
  display: none;
}

.nas-hero-panel {
  min-height: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.nas-proof {
  margin-top: -72px;
}

@media (max-width: 980px) {
  .nas-hero-panel {
    display: none;
  }
}

@media (max-width: 720px) {
  .nas-hero--duna {
    min-height: auto;
    padding: 58px 0 108px;
    background:
      linear-gradient(180deg, rgba(247, 249, 252, 0.12) 0%, rgba(247, 249, 252, 0.44) 52%, #fbfcfe 88%, #fbfcfe 100%),
      var(--nas-hero-image) 58% top / cover no-repeat;
  }

  .nas-hero--duna .nas-hero__content {
    padding-top: 48px;
  }

  .nas-hero--duna h1 {
    font-size: clamp(2.7rem, 12vw, 4.2rem);
  }
}