/* Cloud Data — ledger-calm theme */
:root {
  --color-bg: #eef2ef;
  --color-bg-deep: #e2e8e4;
  --color-surface: #f7f9f7;
  --color-ink: #1a2420;
  --color-ink-muted: #4a5a54;
  --color-primary: #0f5c5c;
  --color-primary-dark: #0a3f3f;
  --color-accent: #d4a017;
  --color-accent-soft: #f3e6c0;
  --color-line: #c5d0cb;
  --color-error: #9b2c2c;
  --color-success: #1b5e3b;
  --font-display: "Prompt", "IBM Plex Sans Thai", sans-serif;
  --font-body: "IBM Plex Sans Thai", sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --space-2xl: 5.5rem;
  --radius: 4px;
  --shadow-soft: 0 12px 40px rgba(15, 92, 92, 0.08);
  --max: 70rem;
  --header-h: 4.25rem;
  --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: 1.05rem;
  line-height: 1.7;
  color: var(--color-ink);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(180deg, rgba(238, 242, 239, 0.92), rgba(238, 242, 239, 0.96)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(197, 208, 203, 0.35) 27px,
      rgba(197, 208, 203, 0.35) 28px
    );
  min-height: 100vh;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--color-primary-dark);
}

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

h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.45rem, 2.5vw, 2rem);
}

h3 {
  font-size: 1.2rem;
}

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

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

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

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section {
  padding: var(--space-xl) 0;
}

.section--tight {
  padding: var(--space-lg) 0;
}

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

.section__lead {
  max-width: 38rem;
  color: var(--color-ink-muted);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

.btn--primary {
  background: var(--color-primary);
  color: #f7f9f7;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  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--accent {
  background: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 249, 247, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.4rem;
  cursor: pointer;
}

.site-header__toggle-bar {
  display: block;
  width: 1.4rem;
  height: 2px;
  background: var(--color-ink);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  padding: 0.35rem 0;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.site-nav__cta {
  background: var(--color-primary);
  color: #f7f9f7 !important;
  padding: 0.55rem 0.95rem !important;
  border-radius: var(--radius);
}

.site-nav__cta:hover {
  background: var(--color-primary-dark);
}

@media (max-width: 900px) {
  .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-md);
    display: none;
  }

  .site-nav.is-open {
    display: block;
    animation: navDrop 0.35s var(--ease);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .site-nav__cta {
    text-align: center;
  }
}

@keyframes navDrop {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Hero — full-bleed */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: end;
  color: #f7f9f7;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroSettle 1.4s var(--ease) both;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 40, 38, 0.88) 0%, rgba(10, 40, 38, 0.55) 48%, rgba(10, 40, 38, 0.28) 100%),
    linear-gradient(0deg, rgba(10, 40, 38, 0.55), transparent 45%);
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: 36rem;
  margin-inline: 0 0;
  margin-left: max(1rem, calc((100% - var(--max)) / 2));
  animation: riseIn 0.9s 0.15s var(--ease) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.03em;
  color: #fff;
}

.hero__title {
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 500;
  margin: 0 0 var(--space-md);
  color: var(--color-accent-soft);
}

.hero__text {
  margin: 0;
  color: rgba(247, 249, 247, 0.9);
  font-size: 1.08rem;
  max-width: 32rem;
}

.hero .btn-row .btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.hero .btn-row .btn--ghost {
  border-color: rgba(247, 249, 247, 0.55);
  color: #f7f9f7;
}

@keyframes heroSettle {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Page hero (inner) */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-line);
  background: linear-gradient(160deg, var(--color-surface), var(--color-bg-deep));
}

.page-hero__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 800px) {
  .page-hero__grid--media {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.page-hero__media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 14rem;
  box-shadow: var(--shadow-soft);
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 14rem;
  object-fit: cover;
}

/* Split / feature blocks */
.split {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

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

  .split--reverse > :first-child {
    order: 2;
  }
}

.split__media {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.split__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.split__media:hover img {
  transform: scale(1.03);
}

/* Offer preview list (not cards) */
.offer-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-line);
}

.offer-list__item {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
}

@media (min-width: 720px) {
  .offer-list__item {
    grid-template-columns: 8rem 1fr auto;
    align-items: center;
  }
}

.offer-list__thumb {
  width: 8rem;
  height: 6rem;
  overflow: hidden;
  border-radius: var(--radius);
}

.offer-list__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.offer-list__title {
  margin: 0 0 var(--space-xs);
}

.offer-list__text {
  margin: 0;
  color: var(--color-ink-muted);
}

.offer-list__link {
  font-family: var(--font-display);
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-primary);
}

/* Service grid — interaction containers */
.service-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 700px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  text-decoration: none;
  color: inherit;
  animation: riseIn 0.7s var(--ease) both;
}

.service-tile:nth-child(2) {
  animation-delay: 0.08s;
}
.service-tile:nth-child(3) {
  animation-delay: 0.16s;
}
.service-tile:nth-child(4) {
  animation-delay: 0.24s;
}

.service-tile:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  color: inherit;
}

.service-tile__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-tile__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.service-tile:hover .service-tile__media img {
  transform: scale(1.04);
}

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

.service-tile__body h3 {
  margin-bottom: var(--space-sm);
}

.service-tile__body p {
  color: var(--color-ink-muted);
  flex: 1;
  font-size: 0.98rem;
}

.service-tile__more {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-sm);
}

/* Process steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
}

.step::before {
  counter-increment: step;
  content: "ขั้นที่ " counter(step);
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.step h3 {
  margin-bottom: var(--space-sm);
}

.step p {
  margin: 0;
  color: var(--color-ink-muted);
  font-size: 0.95rem;
}

/* Quote / review */
.quote-stack {
  display: grid;
  gap: var(--space-md);
}

.quote {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-line);
}

.quote blockquote {
  margin: 0 0 var(--space-md);
  font-size: 1.1rem;
  quotes: "“" "”";
}

.quote blockquote p {
  margin: 0;
}

.quote__meta {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-ink-muted);
}

.quote__meta strong {
  color: var(--color-ink);
  font-weight: 600;
}

.story {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-lg);
  margin-top: var(--space-lg);
}

.story h3 {
  color: var(--color-primary);
}

/* Pricing */
.rate-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.rate-table th,
.rate-table td {
  text-align: left;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
}

.rate-table th {
  font-family: var(--font-display);
  background: var(--color-bg-deep);
  font-weight: 600;
}

.rate-note {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-accent-soft);
  border-left: 3px solid var(--color-accent);
}

/* Blog */
.post-list {
  display: grid;
  gap: var(--space-lg);
}

.post-item {
  display: grid;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 720px) {
  .post-item {
    grid-template-columns: 14rem 1fr;
  }
}

.post-item__media {
  overflow: hidden;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
}

.post-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-item__date {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
}

.post-body {
  max-width: 42rem;
}

.post-body h2 {
  margin-top: var(--space-xl);
}

.post-cover {
  margin: 0 0 var(--space-lg);
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 24rem;
}

.post-cover img {
  width: 100%;
  height: 24rem;
  object-fit: cover;
}

/* Forms */
.form {
  max-width: 36rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: var(--space-lg);
  border-radius: var(--radius);
}

.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: var(--space-xs);
}

.form__hint {
  display: block;
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  margin-top: var(--space-xs);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font: inherit;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-ink);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form__textarea {
  min-height: 8rem;
  resize: vertical;
}

.form__error {
  color: var(--color-error);
  font-size: 0.88rem;
  margin-top: var(--space-xs);
  display: none;
}

.form__group.is-invalid .form__error {
  display: block;
}

.form__group.is-invalid .form__input,
.form__group.is-invalid .form__select,
.form__group.is-invalid .form__textarea {
  border-color: var(--color-error);
}

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

.form__status.is-success {
  display: block;
  background: #e4f2ea;
  color: var(--color-success);
}

.form__status.is-error {
  display: block;
  background: #f8e8e8;
  color: var(--color-error);
}

.contact-aside {
  display: grid;
  gap: var(--space-md);
}

.contact-aside__block {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-line);
}

.contact-aside__block strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: var(--space-xs);
}

.contact-layout {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 860px) {
  .contact-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

/* Legal */
.legal {
  max-width: 44rem;
}

.legal h2 {
  margin-top: var(--space-xl);
}

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

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

.cookie-table th {
  background: var(--color-bg-deep);
  font-family: var(--font-display);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  z-index: 50;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 2px solid var(--color-primary);
  box-shadow: 0 -8px 30px rgba(26, 36, 32, 0.12);
  padding: var(--space-md);
}

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

.cookie-banner__inner {
  width: min(100%, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: space-between;
}

.cookie-banner__text {
  margin: 0;
  flex: 1 1 18rem;
  font-size: 0.95rem;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  margin-top: var(--space-2xl);
  background: var(--color-primary-dark);
  color: #dce8e6;
  padding: var(--space-xl) 0 var(--space-md);
}

.site-footer a {
  color: #e8f0ee;
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 800px) {
  .site-footer__inner {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.site-footer__name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 var(--space-sm);
}

.site-footer__tag {
  margin: 0;
  color: #b8cfcb;
}

.site-footer__heading {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent);
  margin: var(--space-md) 0 var(--space-sm);
}

.site-footer__heading:first-child {
  margin-top: 0;
}

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

.site-footer li {
  margin-bottom: 0.35rem;
}

.site-footer__copy {
  width: min(100% - 2rem, var(--max));
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(232, 240, 238, 0.2);
  font-size: 0.85rem;
  color: #9bb5b0;
}

/* 404 */
.error-page {
  text-align: center;
  padding: var(--space-2xl) 0;
}

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

/* Detail extras */
.flagship-meta {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

.flagship-meta dt {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--color-primary);
}

.flagship-meta dd {
  margin: 0 0 var(--space-sm);
  color: var(--color-ink-muted);
}

.prose {
  max-width: 42rem;
}

.band {
  background: var(--color-primary);
  color: #e8f0ee;
  padding: var(--space-xl) 0;
}

.band h2 {
  color: #fff;
}

.band p {
  color: #c5d9d5;
}

.band .btn--accent {
  margin-top: var(--space-md);
}