/* Alaska Cold — commercial cold storage marketing site */

:root {
  --navy: #002147;
  --blue: #1e56a0;
  --blue-light: #4a9fd8;
  --blue-label: #5ba4d9;
  --teal: #006d8f;
  --yellow: #fdb813;
  --yellow-accent: #f9b233;
  --gray-bg: #f4f4f4;
  --white: #ffffff;
  --text-body: #555555;
  --text-muted: #888888;
  --border: #e5e5e5;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 20px;
  --container: 1920px;
  --content: 1280px;
  --font: "Montserrat", "Inter", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ─── Layout ─── */
.page {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  overflow: hidden;
  background: var(--white);
}

.container {
  width: var(--content);
  margin: 0 auto;
}

.section {
  width: 100%;
}

/* ─── Typography ─── */
.label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  line-height: 1.4;
}

.label--blue { color: var(--blue-label); }
.label--yellow { color: var(--yellow); }

.heading-hero {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
}

.heading-section {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
}

.heading-section--white { color: var(--white); }
.heading-section--navy { color: var(--navy); }

.heading-card {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
}

.body-text {
  font-size: 16px;
  line-height: 1.65;
}

.body-text--white { color: rgba(255, 255, 255, 0.9); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.btn--navy {
  background: var(--navy);
  color: var(--white);
}

.btn--blue {
  background: var(--blue);
  color: var(--white);
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ─── Top Bar ─── */
.top-bar {
  background: var(--navy);
  height: 40px;
  display: flex;
  align-items: center;
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 80px;
}

.top-bar__tagline {
  font-size: 13px;
  color: var(--white);
}

.top-bar__contact {
  display: flex;
  align-items: center;
  gap: 24px;
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--white);
}

.top-bar__item svg {
  width: 14px;
  height: 14px;
  fill: var(--white);
  opacity: 0.85;
}

/* ─── Header ─── */
.header {
  background: var(--white);
  height: 88px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 80px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo__img {
  height: 56px;
  width: auto;
  display: block;
}

.logo__img--footer {
  height: 52px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  font-size: 12px;
  font-weight: 600;
  color: var(--navy);
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav__link--active {
  background: rgba(74, 159, 216, 0.25);
  color: var(--navy);
}

.nav__item {
  position: relative;
}

.has-dropdown > .nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav__caret {
  width: 12px;
  height: 12px;
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 230px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 8px 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 50;
}

.has-dropdown:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown a {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}

.nav__dropdown a:hover {
  background: var(--gray-bg);
  color: var(--blue);
}

/* ─── Hero ─── */
.hero {
  position: relative;
  height: 600px;
  background: var(--navy);
  overflow: visible;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 30%, rgba(255, 255, 255, 0.45) 50%, rgba(255, 255, 255, 0.1) 70%, transparent 88%);
}

.hero__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 80px;
  max-width: 640px;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero__title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero__subtitle {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}

/* ─── Service Bar ─── */
.service-bar {
  position: relative;
  z-index: 10;
  margin-top: -60px;
  padding: 0 80px;
}

.service-bar__inner {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 36px 16px;
  gap: 0;
}

.service-bar__item + .service-bar__item {
  border-left: 1px solid var(--border);
}

.service-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 0 12px;
}

.service-bar__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-bar__icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.5;
}

.service-bar__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-bar__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ─── About ─── */
.about {
  position: relative;
  background: var(--navy);
  padding: 100px 80px 80px;
  overflow: hidden;
}

.about::before {
  content: "";
  position: absolute;
  left: -40px;
  bottom: 0;
  width: 420px;
  height: 320px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 300'%3E%3Cpath d='M0 300 L80 120 L160 200 L240 80 L320 180 L400 300 Z' fill='%23ffffff' opacity='0.04'/%3E%3Cpath d='M240 80 L280 40 L320 180 Z' fill='%23ffffff' opacity='0.06'/%3E%3C/svg%3E") no-repeat bottom left;
  background-size: contain;
  pointer-events: none;
}

.about__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about__subtitle {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
}

.about__image-wrap {
  position: relative;
}

.about__image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.floating-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
  max-width: 280px;
}

.floating-card--bl {
  bottom: 24px;
  left: 24px;
}

.floating-card--br {
  bottom: 24px;
  right: -20px;
}

.floating-card__icon {
  width: 40px;
  height: 40px;
  background: rgba(30, 86, 160, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--blue);
  fill: none;
}

.floating-card__title {
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.floating-card__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

/* ─── Who We Are ─── */
.who-we-are {
  padding: 80px;
  background: var(--white);
}

.who-we-are__grid {
  display: grid;
  grid-template-columns: 340px 1fr 220px;
  gap: 40px;
  align-items: center;
}

.who-we-are__image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.who-we-are__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-item__icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-item__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.5;
}

.feature-item__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.feature-item__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ─── Solutions ─── */
.solutions {
  background: var(--gray-bg);
  padding: 80px;
}

.solutions__header {
  text-align: center;
  margin-bottom: 48px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.solution-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.solution-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.solution-card__body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.solution-card__desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.solutions__cta {
  display: flex;
  justify-content: center;
}

/* ─── Applications ─── */
.applications {
  background: var(--navy);
  padding: 80px;
}

.applications__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.applications__content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.industry-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
}

.industry-icons__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 80px;
  text-align: center;
}

.industry-icons__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.industry-icons__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--white);
  fill: none;
  opacity: 0.9;
}

.industry-icons__label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.3;
}

.applications__image-wrap {
  position: relative;
}

.applications__image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ─── Contact ─── */
.contact {
  background: var(--gray-bg);
  padding: 80px;
}

.contact__grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: stretch;
}

.contact__intro {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--navy);
}

.contact__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact__intro-text {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact__icon-wrap {
  width: 64px;
  height: 64px;
  background: rgba(30, 86, 160, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact__icon-wrap svg {
  width: 28px;
  height: 28px;
  stroke: var(--blue);
  fill: none;
}

.contact__title {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy);
}

.contact__desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: 0 4px 24px rgba(0, 33, 71, 0.06);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.contact-form__row--message {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  display: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.form-field__optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-field input,
.form-field textarea {
  font-family: var(--font);
  font-size: 14px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--navy);
  outline: none;
  width: 100%;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  min-height: 96px;
  resize: vertical;
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: #c8d4e4;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.15);
}

.contact-form .btn {
  height: 52px;
  align-self: end;
  white-space: nowrap;
}

.contact-form .btn.is-loading,
.stacked-form .btn.is-loading,
.subscribe-form button.is-loading {
  opacity: 0.7;
  cursor: wait;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #bbb;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

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

.form-status {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.form-status--success {
  color: #1e7d34;
}

.form-status--error {
  color: #c0392b;
}

.form-status--footer {
  margin-top: 10px;
  font-size: 13px;
}

.form-status--footer.form-status--success {
  color: var(--yellow);
}

.footer__subscribe-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin: -8px 0 14px;
  line-height: 1.4;
}

/* ─── Footer ─── */
.footer {
  background: var(--navy);
  padding: 60px 80px 32px;
  color: var(--white);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__social svg {
  width: 16px;
  height: 16px;
  fill: var(--white);
}

.footer__heading {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--white);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

.footer__links a:hover {
  color: var(--white);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 14px;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  fill: var(--white);
  opacity: 0.7;
  flex-shrink: 0;
  margin-top: 2px;
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 4px;
}

.subscribe-form__row {
  display: flex;
  gap: 0;
}

.subscribe-form input {
  flex: 1;
  font-family: var(--font);
  font-size: 13px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.subscribe-form input:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.45);
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.subscribe-form button {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  padding: 12px 20px;
  background: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: background 0.2s ease;
}

.subscribe-form button:hover {
  background: var(--blue-light);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ═══════════ INNER PAGES ═══════════ */

/* Page banner */
.page-banner {
  position: relative;
  height: 320px;
  background: var(--navy);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.page-banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.45;
}

.page-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(0, 33, 71, 0.94) 0%, rgba(0, 33, 71, 0.55) 55%, rgba(0, 33, 71, 0.28) 100%);
}

.page-banner__content {
  position: relative;
  z-index: 2;
  padding: 0 80px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-banner__title {
  font-size: 44px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover { color: var(--yellow); }
.breadcrumb span { opacity: 0.6; }

/* Generic content section */
.content {
  padding: 80px;
  background: var(--white);
}

.content--gray { background: var(--gray-bg); }

.content__inner {
  max-width: 920px;
}

.content__inner--wide { max-width: 100%; }

.content p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 18px;
}

.content h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  line-height: 1.25;
}

.content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin: 28px 0 12px;
}

/* Driven / stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-card {
  background: var(--gray-bg);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
}

.stat-card__num {
  font-size: 40px;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
}

.stat-card__label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Service category cards (HI-END COLD ROOMS etc.) */
.cat-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.cat-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 280px;
  display: flex;
  align-items: flex-end;
}

.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cat-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 33, 71, 0.1) 0%, rgba(0, 33, 71, 0.85) 100%);
}

.cat-card__body {
  position: relative;
  z-index: 2;
  padding: 24px;
  color: var(--white);
}

.cat-card__title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.cat-card .btn { padding: 10px 18px; }

/* Alternating product/feature rows */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 64px;
}

.feature-row:last-child { margin-bottom: 0; }

.feature-row--reverse .feature-row__media { order: 2; }

.feature-row__media img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.feature-row__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.feature-row h2 { margin-bottom: 14px; }

/* FAQ */
.faq-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.faq-tab {
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  background: var(--gray-bg);
  color: var(--navy);
  cursor: pointer;
  border: 1px solid var(--border);
}

.faq-tab--active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 900px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--blue);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after { content: "\2013"; }

.faq-item[open] summary { background: var(--gray-bg); }

.faq-item__body {
  padding: 8px 24px 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-body);
}

.faq-item__body ul {
  list-style: disc;
  padding-left: 20px;
  margin-top: 10px;
}

.faq-item__body li { margin-bottom: 8px; }

/* Maintenance feature grid */
.mt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.mt-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}

.mt-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(30, 86, 160, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.mt-card__icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.8;
}

.mt-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.mt-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* CTA strip */
.cta-strip {
  background: var(--blue);
  padding: 56px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-strip__title {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}

.cta-strip__sub {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 6px;
}

.cta-strip .btn--navy { background: var(--navy); }

/* Contact page */
.contact-page {
  padding: 80px;
  background: var(--white);
}

.contact-page__grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--navy);
}

.contact-info__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-info h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--navy);
  margin-top: 8px;
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info__item svg {
  width: 22px;
  height: 22px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.8;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info__item span {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.5;
}

.contact-page__form {
  background: linear-gradient(165deg, #f7f9fc 0%, var(--gray-bg) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 33, 71, 0.06);
}

.contact-page__form-head {
  margin-bottom: 24px;
}

.contact-page__form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.contact-page__form-sub {
  font-size: 14px;
  color: var(--text-muted);
}

.stacked-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}

.stacked-form .form-field label {
  display: block;
  margin-bottom: 0;
}

.stacked-form textarea {
  min-height: 120px;
}

.stacked-form .btn {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

/* Map */
.map-embed {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}

/* Suitable-for icon row */
.suitable {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 40px;
  margin-top: 8px;
}

.suitable__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 110px;
  text-align: center;
}

.suitable__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.suitable__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--blue);
  fill: none;
  stroke-width: 1.6;
}

.suitable__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

/* ═══════════ MOBILE NAV TOGGLE ═══════════ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════ RESPONSIVE — TABLET (<=1024px) ═══════════ */
@media (max-width: 1024px) {
  .container { width: 100%; }
  .top-bar .container,
  .header .container { padding: 0 32px; }

  .hero__content,
  .about,
  .who-we-are,
  .solutions,
  .applications,
  .contact,
  .content,
  .contact-page,
  .cta-strip,
  .service-bar,
  .footer,
  .page-banner__content { padding-left: 32px; padding-right: 32px; }

  .who-we-are__grid { grid-template-columns: 1fr 1fr; }
  .who-we-are__image { grid-column: 1 / -1; height: 320px; }
  .solutions__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cat-cards,
  .mt-grid { grid-template-columns: repeat(2, 1fr); }
  .heading-hero { font-size: 40px; }
  .heading-section { font-size: 30px; }
}

/* ═══════════ RESPONSIVE — MOBILE NAV (<=900px) ═══════════ */
@media (max-width: 900px) {
  .header { position: relative; }
  .nav-toggle { display: flex; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 8px 0;
    display: none;
    z-index: 60;
  }
  .nav.nav--open { display: flex; }

  .nav__link {
    padding: 14px 32px;
    border-radius: 0;
    font-size: 14px;
  }
  .nav__link--active { background: rgba(74, 159, 216, 0.15); }

  .nav__item.has-dropdown { display: block; }
  .nav__caret { display: none; }
  .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0 0 8px;
    background: var(--gray-bg);
  }
  .nav__dropdown a { padding: 12px 48px; }
}

/* ═══════════ RESPONSIVE — MOBILE (<=640px) ═══════════ */
@media (max-width: 640px) {
  .top-bar { height: auto; padding: 8px 0; }
  .top-bar .container { flex-direction: column; gap: 4px; padding: 0 20px; text-align: center; }
  .top-bar__tagline { font-size: 11px; }
  .top-bar__contact { gap: 14px; flex-wrap: wrap; justify-content: center; }
  .top-bar__item { font-size: 11px; }

  .header { height: 72px; }
  .header .container { padding: 0 20px; }
  .logo__img { height: 44px; }

  /* generic horizontal padding */
  .hero__content,
  .about,
  .who-we-are,
  .solutions,
  .applications,
  .contact,
  .content,
  .contact-page,
  .cta-strip,
  .footer { padding-left: 20px; padding-right: 20px; }

  /* HERO */
  .hero { height: auto; }
  .hero__content { max-width: none; padding-top: 60px; padding-bottom: 90px; }
  .hero__overlay { background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 55%, rgba(255,255,255,0.6) 100%); }
  .heading-hero { font-size: 34px; }
  .hero__subtitle { font-size: 22px; }

  /* SERVICE BAR */
  .service-bar { position: static; margin-top: 0; padding: 32px 20px; background: var(--gray-bg); }
  .service-bar__inner { grid-template-columns: 1fr; padding: 8px; }
  .service-bar__item { padding: 22px 12px; }
  .service-bar__item + .service-bar__item { border-left: none; border-top: 1px solid var(--border); }

  /* ABOUT */
  .about { padding-top: 56px; padding-bottom: 56px; }
  .about__grid { grid-template-columns: 1fr; gap: 32px; }
  .about::before { display: none; }
  .floating-card--bl, .floating-card--br { left: 16px; right: 16px; bottom: 16px; max-width: none; }

  /* WHO WE ARE */
  .who-we-are { padding-top: 56px; padding-bottom: 56px; }
  .who-we-are__grid { grid-template-columns: 1fr; gap: 28px; }
  .who-we-are__image { height: 280px; }
  .features-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

  /* SOLUTIONS */
  .solutions { padding-top: 56px; padding-bottom: 56px; }
  .solutions__grid { grid-template-columns: 1fr; gap: 20px; }

  /* APPLICATIONS */
  .applications { padding-top: 56px; padding-bottom: 56px; }
  .applications__grid { grid-template-columns: 1fr; gap: 32px; }
  .industry-icons { justify-content: space-between; gap: 16px; }

  /* CONTACT (home) */
  .contact { padding-top: 56px; padding-bottom: 56px; }
  .contact__grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 20px; }
  .contact-form__row,
  .contact-form__row--message { grid-template-columns: 1fr; }
  .contact-form .btn { width: 100%; justify-content: center; }
  .contact__visual { aspect-ratio: 16 / 10; max-height: 220px; }

  /* SECTION TYPOGRAPHY */
  .heading-section { font-size: 26px; }

  /* FOOTER */
  .footer { padding: 48px 20px 28px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }

  /* ── INNER PAGES ── */
  .page-banner { height: 220px; }
  .page-banner__content { padding-left: 20px; padding-right: 20px; }
  .page-banner__title { font-size: 30px; }

  .content { padding-top: 48px; padding-bottom: 48px; }
  .content h2 { font-size: 24px; }
  .stats-row { grid-template-columns: 1fr; gap: 16px; }

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

  .feature-row { grid-template-columns: 1fr; gap: 24px; margin-bottom: 44px; }
  .feature-row__media { order: -1 !important; }
  .feature-row--reverse .feature-row__media { order: -1; }
  .feature-row__media img { height: 240px; }

  .cta-strip { flex-direction: column; align-items: flex-start; gap: 20px; padding: 40px 20px; }
  .cta-strip__title { font-size: 22px; }
  .cta-strip .btn { width: 100%; justify-content: center; }

  .contact-page { padding: 48px 20px; }
  .contact-page__grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-page__form { padding: 24px; }
  .contact-info__visual { aspect-ratio: 16 / 9; }

  .faq-tabs { gap: 6px; }
  .faq-tab { padding: 10px 16px; font-size: 12px; }
  .faq-item summary { font-size: 15px; padding: 16px 18px; }
  .map-embed { height: 280px; }

  .suitable { justify-content: center; gap: 20px; }
}

/* ═══════════ VERY SMALL (<=400px) ═══════════ */
@media (max-width: 400px) {
  .features-list { grid-template-columns: 1fr; }
  .industry-icons__item { width: 64px; }
  .heading-hero { font-size: 28px; }
}

/* ═══════════ LARGE DESKTOP (>=1441px) ═══════════
   Fill the full screen width — only a comfortable side gutter, no empty bands. */
@media (min-width: 1441px) {
  .top-bar .container,
  .header .container,
  .service-bar,
  .about,
  .who-we-are,
  .solutions,
  .applications,
  .contact,
  .content,
  .contact-page,
  .cta-strip,
  .footer,
  .page-banner__content {
    padding-left: 96px;
    padding-right: 96px;
  }
  .hero__content { padding-left: 96px; }
}
