/* Cloudobservability — visual theme */
:root {
  --color-ink: #142a27;
  --color-ink-soft: #3a524d;
  --color-surface: #eef3f0;
  --color-surface-2: #e2ebe6;
  --color-paper: #f7faf8;
  --color-brand: #0f3d3a;
  --color-brand-deep: #0a2c2a;
  --color-accent: #b08d3e;
  --color-accent-soft: #e8d9a8;
  --color-line: rgba(15, 61, 58, 0.14);
  --color-danger: #8b2e2e;
  --color-ok: #1f5c45;
  --font-display: "Kanit", "Sarabun", 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: 6.5rem;
  --radius: 2px;
  --shadow-soft: 0 18px 40px rgba(15, 61, 58, 0.08);
  --header-h: 4.25rem;
  --content: 72rem;
  --narrow: 42rem;
  --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: 1.7;
  color: var(--color-ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(176, 141, 62, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(15, 61, 58, 0.08), transparent 50%),
    linear-gradient(180deg, var(--color-paper), var(--color-surface));
  min-height: 100vh;
}

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

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

a:hover {
  color: var(--color-brand-deep);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  font-weight: 600;
  color: var(--color-brand-deep);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.45rem, 2.4vw, 2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }

ul, ol { padding-left: 1.2rem; }

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

.shell--narrow {
  width: min(100% - 2rem, var(--narrow));
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.85rem;
  padding: 0.65rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-brand);
  color: #f4f8f6;
}

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

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

.btn--ghost:hover {
  border-color: var(--color-brand);
  background: rgba(15, 61, 58, 0.04);
}

.text-link {
  font-family: var(--font-display);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.1em;
}

.pill {
  display: inline-block;
  font-size: 0.8rem;
  font-family: var(--font-display);
  color: var(--color-brand);
  border: 1px solid var(--color-line);
  padding: 0.2rem 0.55rem;
  margin: 0 0 0.5rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(247, 250, 248, 0.86);
  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: 1rem;
}

.site-header__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-brand-deep);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.site-header__list a {
  text-decoration: none;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

.site-header__list a:hover {
  color: var(--color-brand);
}

.site-header__cta {
  background: var(--color-brand);
  color: #f4f8f6 !important;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
}

.site-header__toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-line);
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.site-header__toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 5px auto;
  background: var(--color-brand);
}

/* Hero — full-bleed composition */
.hero {
  position: relative;
  min-height: min(92vh, 52rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f3f7f5;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: hero-drift 18s var(--ease) infinite alternate;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(10, 44, 42, 0.88) 12%, rgba(10, 44, 42, 0.55) 48%, rgba(10, 44, 42, 0.25) 100%),
    linear-gradient(0deg, rgba(10, 44, 42, 0.55), transparent 42%);
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: var(--space-7) 0 var(--space-6);
  max-width: 44rem;
  margin-left: max(1rem, calc((100% - var(--content)) / 2));
  margin-right: auto;
  animation: rise 0.9s var(--ease) both;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.02em;
  color: #fff;
}

.hero__title {
  color: #fff;
  margin: 0 0 var(--space-3);
  max-width: 16ch;
}

.hero__text {
  color: rgba(243, 247, 245, 0.9);
  max-width: 38ch;
  font-size: 1.1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-4);
}

.hero .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.hero .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #fff;
}

.hero .btn--primary {
  background: var(--color-accent);
  color: var(--color-brand-deep);
}

.hero .btn--primary:hover {
  background: var(--color-accent-soft);
  color: var(--color-brand-deep);
}

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

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

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

.section--muted {
  background: rgba(226, 235, 230, 0.55);
  border-block: 1px solid var(--color-line);
}

.section__intro {
  max-width: 40rem;
  margin-bottom: var(--space-5);
}

.section__split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-5);
  align-items: center;
}

.section__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.section__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 22rem;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
}

.check-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
}

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

.offer-rows {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-line);
}

.offer-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.3s var(--ease), background 0.3s var(--ease);
}

.offer-row:hover {
  padding-left: 0.5rem;
  background: rgba(15, 61, 58, 0.03);
}

.offer-row__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-brand-deep);
}

.offer-row__meta {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.offer-row__arrow {
  color: var(--color-accent);
  font-size: 1.2rem;
}

.section__more { margin-top: var(--space-4); }

.quote-stack {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.quote {
  margin: 0;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.55);
  border-left: 3px solid var(--color-accent);
}

.quote p {
  font-size: 1.15rem;
  font-family: var(--font-display);
  line-height: 1.55;
  color: var(--color-brand-deep);
}

.quote footer {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.quote--compact p { font-size: 1.05rem; }

.journal-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.journal-item time {
  display: block;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.journal-item h3 {
  margin: 0 0 0.5rem;
}

.journal-item h3 a {
  text-decoration: none;
  color: inherit;
}

.cta-band {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  background:
    linear-gradient(135deg, rgba(15, 61, 58, 0.95), rgba(20, 70, 64, 0.92)),
    var(--color-brand);
  color: #eef5f2;
  border-radius: var(--radius);
}

.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(238, 245, 242, 0.88); }
.cta-band .btn--primary {
  background: var(--color-accent);
  color: var(--color-brand-deep);
}

.page-hero {
  padding: calc(var(--space-6) + 0.5rem) 0 var(--space-4);
}

.page-hero__lead {
  max-width: 40rem;
  font-size: 1.12rem;
  color: var(--color-ink-soft);
}

/* Services index */
.service-index {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.service-index__item {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-4);
  align-items: center;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.service-index__media {
  overflow: hidden;
  border-radius: var(--radius);
}

.service-index__media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.service-index__item:hover .service-index__media img {
  transform: scale(1.04);
}

.service-index__body h2 {
  margin: 0 0 0.6rem;
}

.service-index__body h2 a {
  text-decoration: none;
  color: inherit;
}

.service-index__price {
  font-family: var(--font-display);
  color: var(--color-brand);
  font-weight: 500;
}

/* Service detail */
.service-detail__hero {
  padding: var(--space-6) 0 var(--space-4);
}

.service-detail__lead {
  max-width: 40rem;
  font-size: 1.12rem;
  color: var(--color-ink-soft);
}

.service-detail__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
}

.service-detail__media img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 5/4;
  object-fit: cover;
}

.meta-list {
  margin: 0 0 var(--space-4);
}

.meta-list > div {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-line);
}

.meta-list dt {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 0.2rem;
}

.meta-list dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
}

.service-detail__body,
.post__body,
.prose-page__body {
  padding-bottom: var(--space-6);
}

.service-detail__body h2,
.post__body h2,
.prose-page__body h2 {
  margin-top: 2rem;
}

/* Process */
.process-flow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.process-flow__step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--color-line);
}

.process-flow__num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.cta-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-4);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
}

.about-aside img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-aside__card {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-line);
}

.about-aside__card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-aside__card li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--color-line);
}

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

.value-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--color-line);
}

/* Pricing */
.pricing-table-wrap {
  overflow-x: auto;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.45);
}

.pricing-table th,
.pricing-table td {
  text-align: left;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--color-line);
}

.pricing-table th {
  font-family: var(--font-display);
  background: rgba(15, 61, 58, 0.06);
}

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

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

.review {
  margin: 0;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--color-line);
}

.review p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.55;
  color: var(--color-brand-deep);
}

.review footer {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  color: var(--color-ink-soft);
}

.review--short {
  max-width: 34rem;
}

.story {
  max-width: 42rem;
}

/* Blog */
.blog-index {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.blog-index__item {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-4);
  align-items: start;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-line);
}

.blog-index__media img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius);
}

.blog-index__item time {
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

.post__header {
  padding: var(--space-6) 0 var(--space-3);
}

.post__meta {
  color: var(--color-ink-soft);
}

.post__summary {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
}

.post__cover {
  margin-bottom: var(--space-4);
}

.post__cover img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 16/9;
  object-fit: cover;
}

.post__footer {
  padding-bottom: var(--space-6);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
}

.contact-panel {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--color-line);
  height: fit-content;
}

.contact-dl > div {
  margin-bottom: 1rem;
}

.contact-dl dt {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.contact-dl dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-weight: 500;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-field label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  font: inherit;
  color: inherit;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(176, 141, 62, 0.45);
  border-color: var(--color-accent);
}

.form-field__error {
  color: var(--color-danger);
  font-size: 0.9rem;
  margin: 0.35rem 0 0;
}

.form-field.is-invalid input,
.form-field.is-invalid textarea,
.form-field.is-invalid select {
  border-color: var(--color-danger);
}

.form-status {
  margin: 0.25rem 0 0;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius);
}

.form-status.is-success {
  background: rgba(31, 92, 69, 0.1);
  color: var(--color-ok);
}

.form-status.is-error {
  background: rgba(139, 46, 46, 0.1);
  color: var(--color-danger);
}

/* Legal / prose */
.prose-page {
  padding: var(--space-6) 0;
}

.prose-page__subtitle {
  color: var(--color-ink-soft);
  font-size: 1.1rem;
}

.prose-page__body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0 1.5rem;
}

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

.prose-page__body th {
  background: rgba(15, 61, 58, 0.06);
  font-family: var(--font-display);
}

/* Footer */
.site-footer {
  margin-top: var(--space-5);
  padding: var(--space-6) 0 var(--space-4);
  background: var(--color-brand-deep);
  color: rgba(238, 245, 242, 0.85);
}

.site-footer a {
  color: #e8f0ee;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.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: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 0.5rem;
}

.site-footer__label {
  font-family: var(--font-display);
  color: var(--color-accent-soft);
  margin: 0 0 0.75rem;
  font-weight: 500;
}

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

.site-footer__links 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, 0.12);
  font-size: 0.9rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 1rem 0;
  background: rgba(10, 44, 42, 0.96);
  color: #eef5f2;
  border-top: 1px solid rgba(176, 141, 62, 0.35);
  transform: translateY(110%);
  transition: transform 0.4s var(--ease);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner[hidden] {
  display: block;
  pointer-events: none;
}

.cookie-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-banner__text {
  margin: 0;
  max-width: 48rem;
}

.cookie-banner__text a {
  color: var(--color-accent-soft);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.cookie-banner .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.cookie-banner .btn--primary {
  background: var(--color-accent);
  color: var(--color-brand-deep);
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  align-items: center;
  padding: var(--space-6) 0;
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .site-header__toggle { display: block; }

  .site-header__nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: rgba(247, 250, 248, 0.98);
    border-bottom: 1px solid var(--color-line);
    padding: 1rem;
    display: none;
  }

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

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

  .section__split,
  .service-index__item,
  .service-detail__grid,
  .about-grid,
  .factors,
  .contact-grid,
  .blog-index__item,
  .journal-list,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .offer-row {
    grid-template-columns: 1fr auto;
  }

  .offer-row__meta {
    grid-column: 1;
  }

  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__content {
    margin-left: 1rem;
    padding-right: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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