/* Nexusanalytx — logistics coordination consulting
   Palette: harbor teal + cargo rust on cool concrete */

:root {
  --color-ink: #142a28;
  --color-muted: #4d625e;
  --color-bg: #dfe8e6;
  --color-bg-soft: #cfdad7;
  --color-surface: #f4f7f6;
  --color-primary: #0d4f4f;
  --color-primary-deep: #083838;
  --color-accent: #c45c26;
  --color-accent-soft: #e8a87c;
  --color-line: #b7c7c3;
  --color-error: #9b2c2c;
  --color-success: #1b5e3b;
  --font-display: "Chakra Petch", sans-serif;
  --font-body: "Sarabun", sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --radius: 4px;
  --shadow-soft: 0 12px 40px rgba(20, 42, 40, 0.12);
  --header-h: 4.25rem;
  --wrapper: min(1120px, calc(100% - 2.5rem));
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(232, 168, 124, 0.22), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(13, 79, 79, 0.12), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-soft) 100%);
  min-height: 100vh;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 var(--space-3);
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--space-3); }

ul, ol { margin: 0 0 var(--space-3); padding-left: 1.25rem; }

.wrapper {
  width: var(--wrapper);
  margin-inline: auto;
}

.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;
}

.main {
  min-height: 60vh;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: #a84a1c;
  color: #fff;
}

.btn--secondary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary-deep);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 247, 246, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: var(--space-3);
}

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}

.site-header__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
}

.site-nav__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--color-accent);
}

.site-nav__cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
}

.site-nav__cta:hover {
  background: var(--color-accent) !important;
  color: #fff !important;
}

@media (max-width: 960px) {
  .site-header__toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    padding: var(--space-3) var(--space-4);
    display: none;
  }

  .site-nav.is-open { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Home hero — full bleed */
.home-hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.home-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  animation: heroDrift 18s var(--ease) infinite alternate;
}

.home-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(8, 40, 40, 0.88) 0%, rgba(8, 40, 40, 0.55) 48%, rgba(196, 92, 38, 0.35) 100%),
    linear-gradient(0deg, rgba(8, 40, 40, 0.75) 0%, transparent 45%);
}

.home-hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-7) 0 var(--space-6);
  max-width: 36rem;
  animation: riseIn 0.9s var(--ease) both;
}

.home-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: 0.01em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.home-hero__headline {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 500;
  margin: 0 0 var(--space-3);
  color: var(--color-accent-soft);
}

.home-hero__text {
  font-size: 1.1rem;
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.92);
}

@keyframes heroDrift {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.08) translate3d(-1.5%, -1%, 0); }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(1.25rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(0.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  animation: fadeSlide 0.7s var(--ease) both;
}

/* Sections */
.section {
  padding: var(--space-6) 0;
}

.section--surface {
  background: var(--color-surface);
  border-block: 1px solid var(--color-line);
}

.section__eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.section__intro {
  max-width: 38rem;
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

/* Offer list (not cards for decoration — interactive link blocks) */
.offer-list {
  display: grid;
  gap: var(--space-4);
}

.offer-list__item {
  display: grid;
  grid-template-columns: minmax(0, 220px) 1fr;
  gap: var(--space-4);
  align-items: stretch;
  text-decoration: none;
  color: inherit;
  background: transparent;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: var(--space-4);
  transition: opacity 0.25s;
}

.offer-list__item:hover {
  opacity: 0.88;
}

.offer-list__item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(0.92);
}

.offer-list__meta h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.offer-list__meta p {
  color: var(--color-muted);
  margin: 0;
}

@media (max-width: 720px) {
  .offer-list__item {
    grid-template-columns: 1fr;
  }
}

/* Flagship band */
.flagship {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}

.flagship__image {
  min-height: 320px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.flagship__list {
  list-style: none;
  padding: 0;
}

.flagship__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.65rem;
}

.flagship__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 1px;
}

@media (max-width: 800px) {
  .flagship { grid-template-columns: 1fr; }
}

/* Quote strip */
.quote-strip {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.45);
  max-width: 40rem;
}

.quote-strip__text {
  font-size: 1.15rem;
  font-style: italic;
}

.quote-strip__meta {
  color: var(--color-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* Page heroes */
.page-hero {
  position: relative;
  padding: var(--space-6) 0 var(--space-5);
}

.page-hero--image {
  min-height: 42vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
  overflow: hidden;
}

.page-hero__media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.page-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 40, 40, 0.9), rgba(8, 40, 40, 0.45));
}

.page-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: var(--space-4);
}

.page-hero__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0 0 var(--space-2);
  color: var(--color-accent-soft);
}

.page-hero__title {
  color: #fff;
}

.page-hero__lead {
  max-width: 36rem;
  color: rgba(255, 255, 255, 0.9);
}

.page-hero--plain .page-hero__lead {
  color: var(--color-muted);
}

.page__body {
  padding: var(--space-5) 0 var(--space-6);
}

.prose h2 {
  margin-top: var(--space-5);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: var(--space-4) 0;
}

.prose th,
.prose td {
  border: 1px solid var(--color-line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
  background: var(--color-surface);
}

.prose th {
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
}

/* Service / blog grids */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.tile {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}

.tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
}

.tile img {
  width: 100%;
  height: 170px;
  object-fit: cover;
}

.tile__body {
  padding: var(--space-3);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tile__body h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
}

.tile__meta {
  margin-top: auto;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Service detail */
.service-hero {
  position: relative;
  min-height: 48vh;
  display: flex;
  align-items: flex-end;
  color: #fff;
}

.service-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.service-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 40, 40, 0.92) 20%, rgba(8, 40, 40, 0.4));
}

.service-hero__content {
  position: relative;
  z-index: 1;
  padding: var(--space-6) 0 var(--space-5);
  max-width: 40rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: var(--space-5);
  padding: var(--space-5) 0 var(--space-6);
}

.detail-aside {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-4);
  border-radius: var(--radius);
  height: fit-content;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.detail-aside dt {
  font-family: var(--font-display);
  font-weight: 600;
  margin-top: var(--space-3);
}

.detail-aside dd {
  margin: 0.25rem 0 0;
  color: var(--color-muted);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 var(--space-4) 3rem;
  border-left: 2px solid var(--color-line);
  margin-left: 0.75rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: -0.9rem;
  top: 0;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  display: grid;
  place-items: center;
}

@media (max-width: 800px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
}

/* Reviews */
.review-list {
  display: grid;
  gap: var(--space-4);
}

.review-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-line);
}

.review-item__service {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.review-item__text {
  font-size: 1.08rem;
}

.story-block {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--color-line);
}

.rate-table th {
  font-family: var(--font-display);
  background: var(--color-primary);
  color: #fff;
}

.rate-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.35);
}

.factors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.factors__item {
  padding: var(--space-3);
  background: var(--color-surface);
  border-top: 3px solid var(--color-accent);
}

/* Process page */
.process-rail {
  display: grid;
  gap: var(--space-4);
}

.process-rail__item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--space-3);
  align-items: start;
}

.process-rail__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

/* Team */
.people {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4);
}

.person img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
}

.person h3 {
  margin-bottom: 0.25rem;
}

.person__role {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
}

/* Forms */
.form {
  max-width: 36rem;
  display: grid;
  gap: var(--space-3);
}

.form__field {
  display: grid;
  gap: 0.35rem;
}

.form__field label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.form__field input,
.form__field select,
.form__field textarea {
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
}

.form__field input:focus,
.form__field select:focus,
.form__field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form__error {
  color: var(--color-error);
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form__field.is-invalid input,
.form__field.is-invalid select,
.form__field.is-invalid textarea {
  border-color: var(--color-error);
}

.form__status {
  padding: var(--space-3);
  border-radius: var(--radius);
  display: none;
}

.form__status.is-success {
  display: block;
  background: #e3f2e9;
  color: var(--color-success);
  border: 1px solid #9dceb0;
}

.form__status.is-error {
  display: block;
  background: #fde8e8;
  color: var(--color-error);
  border: 1px solid #e8b4b4;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: var(--space-5);
}

.contact-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-4);
  border-radius: var(--radius);
  height: fit-content;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer {
  background: var(--color-primary-deep);
  color: rgba(255, 255, 255, 0.88);
  padding: var(--space-6) 0 var(--space-4);
  margin-top: var(--space-6);
}

.site-footer a {
  color: var(--color-accent-soft);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-4);
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-2);
}

.site-footer__heading {
  font-family: var(--font-display);
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--space-2);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin-bottom: 0.4rem;
}

.site-footer__bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-surface);
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 -8px 30px rgba(20, 42, 40, 0.15);
  padding: var(--space-3) 0;
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cookie-banner__text {
  margin: 0;
  flex: 1;
  min-width: 220px;
  font-size: 0.95rem;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-2);
}

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-7) var(--space-3);
}

.error-page__code {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin: 0;
}

/* Post */
.post-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
}

.post-meta {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
}