/* Safety page. Composition taken from ref/Safety.jpg: a light neutral field
   carrying white rounded panels, a dark hero band, slash section markers and a
   dark closing band. Mobile-first. Namespaced sf- so nothing here can leak into
   the flat, radius-free language used by the other pages. */

.sf-page {
  --sf-radius: var(--radius);
  --sf-radius-sm: var(--radius);
  --sf-shadow: var(--shadow);
  --sf-shadow-lift: var(--shadow);
  --sf-band-space: clamp(56px, 12vw, 118px);
  background: var(--soft-blue);
}

/* Icons: thin inline strokes only, never a decorative fill. */
.sf-i {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sf-i--sm { width: 16px; height: 16px; stroke-width: 1.7; }

.sf-band { padding-block: var(--sf-band-space); }
.sf-band--tight { padding-block: calc(var(--sf-band-space) * .58); }
.sf-band--flush { padding-block: calc(var(--sf-band-space) * .58) var(--sf-band-space); }

.sf-page main h2 {
  margin: 0;
  color: var(--tank-blue);
  font-family: "Biennale", "Helvetica Neue", sans-serif;
  font-size: clamp(30px, 7.6vw, 42px);
  line-height: 1.05;
  letter-spacing: -.025em;
  text-wrap: balance;
}

.sf-lede {
  max-width: 52ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
.sf-lede--wide { max-width: 60ch; }

/* Section marker: a slash and a small label, as in the reference. */
.sf-mark {
  display: flex;
  gap: 9px;
  margin: 0 0 14px;
  color: var(--infra-blue);
  font-size: var(--eyebrow-size);
  font-weight: var(--eyebrow-weight);
  letter-spacing: var(--label-track);
  line-height: 1.4;
  text-transform: uppercase;
}
.sf-mark > span:first-child { opacity: .5; }
.sf-mark--light { color: #87d8f7; }

/* Photo blocks. */
.sf-ph {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--sf-radius-sm);
  background: linear-gradient(155deg, var(--placeholder), var(--placeholder-deep));
  color: var(--tank-blue);
}
.sf-ph::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  background: linear-gradient(180deg, transparent, rgb(27 20 100 / .1));
  pointer-events: none;
}
.sf-ph--dark { background: linear-gradient(155deg, #2b3f6b, #4b6376); color: #fff; }
.sf-ph--dark::after { background: linear-gradient(180deg, transparent, rgb(17 16 74 / .3)); }
.sf-ph--fill { position: absolute; inset: 0; height: 100%; border-radius: 0; }
.sf-ph--hero { aspect-ratio: 4 / 3; border-radius: var(--sf-radius); }
.sf-ph--tall { aspect-ratio: 4 / 3; border-radius: var(--sf-radius-sm); }

/* Pill actions. */
.sf-pill {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: var(--action-pad-y) var(--action-pad-x);
  border: var(--action-border) solid transparent;
  border-radius: var(--radius-pill);
  background: var(--infra-blue);
  color: #fff;
  font-size: var(--action-size);
  font-weight: var(--action-weight);
  line-height: 1.2;
  transition: background .25s var(--ease), color .25s var(--ease);
  min-height: var(--action-min-h);
}
.sf-pill--ghost { background: transparent; border-color: rgb(255 255 255 / .5); }
.sf-pill--ghost:hover { background: rgb(255 255 255 / .12); }
.sf-pill--light { background: #fff; color: var(--tank-blue); }
.sf-pill__mark { display: grid; place-items: center; transition: transform .25s var(--ease); }
.sf-pill:hover .sf-pill__mark { transform: translateX(4px); }

/* Hero: dark band, copy first on a phone, image field below it. */
.sf-hero {
  position: relative;
  padding-block: calc(var(--header-height) + 46px) 54px;
  border-radius: 0 0 var(--sf-radius) var(--sf-radius);
  background: var(--tank-blue-dark);
  color: #fff;
}
.sf-hero__grid { display: grid; gap: 36px; }
.sf-eyebrow {
  margin: 0 0 14px;
  color: #87d8f7;
  font-size: var(--eyebrow-size);
  font-weight: var(--eyebrow-weight);
  letter-spacing: var(--eyebrow-track);
  line-height: 1.4;
  text-transform: uppercase;
}
.sf-hero h1 {
  margin: 0;
  font-family: "Biennale", "Helvetica Neue", sans-serif;
  font-size: clamp(38px, 10.5vw, 56px);
  line-height: 1;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.sf-hero__body {
  max-width: 46ch;
  margin: 22px 0 0;
  color: rgb(255 255 255 / .78);
  font-size: 16px;
  line-height: 1.6;
}
.sf-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 0; }
.sf-hero__media { position: relative; }

/* White cards: image, overlapping icon badge, title, body, link. */
.sf-card {
  position: relative;
  display: block;
  border-radius: var(--sf-radius);
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
a.sf-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.sf-card__media { position: relative; display: block; }
.sf-card__media .sf-ph {
  aspect-ratio: 16 / 10;
  border-radius: var(--sf-radius) var(--sf-radius) 0 0;
}
.sf-badge {
  position: absolute;
  left: 18px;
  bottom: -21px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-round);
  background: #fff;
  color: var(--tank-blue);
  box-shadow: var(--shadow);
}
.sf-card__body { display: grid; gap: 10px; padding: 34px 18px 20px; }
.sf-card__label {
  margin: 0;
  color: var(--infra-blue);
  font-size: var(--eyebrow-size);
  font-weight: var(--eyebrow-weight);
  letter-spacing: var(--label-track);
  line-height: 1.4;
  text-transform: uppercase;
}
.sf-card__title { color: var(--tank-blue); font-size: 19px; font-weight: 800; line-height: 1.25; }
h3.sf-card__title { margin: 0; }
.sf-card__text { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.sf-card__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--tank-blue);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
}
.sf-card__arrow {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-round);
  color: var(--infra-blue);
  transition: transform .25s var(--ease);
}
.sf-card:hover .sf-card__arrow,
.sf-card__link:hover .sf-card__arrow { transform: translateX(3px); }

/* Shared white panel. */
.sf-panel {
  padding: 26px 20px;
  border-radius: var(--sf-radius);
  background: #fff;
  box-shadow: var(--shadow);
}

/* Our approach: copy, image, three sequence rows. */
.sf-approach { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
.sf-steps { display: grid; gap: 20px; margin: 0; padding: 0; list-style: none; }
.sf-step { display: flex; gap: 14px; align-items: flex-start; }
.sf-step__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--soft-blue);
  color: var(--tank-blue);
}
.sf-step__copy { display: grid; grid-template-columns: minmax(0, 1fr); gap: 5px; min-width: 0; }
.sf-step__title { color: var(--tank-blue); font-size: 16px; font-weight: 800; line-height: 1.3; }
.sf-step__text { color: var(--muted); font-size: 14px; line-height: 1.55; }

/* Records rows: the reference statistics shape, carrying a status instead of a number. */
.sf-rows { display: grid; gap: 12px; margin: 30px 0 0; }
.sf-row {
  display: grid;
  gap: 12px;
  padding: 20px 18px;
  border-radius: var(--sf-radius-sm);
  background: #fff;
  box-shadow: var(--shadow);
}
.sf-row__label {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--tank-blue);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
}
.sf-row__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-round);
  background: var(--tank-blue-dark);
  color: #fff;
}
.sf-row__value {
  margin: 0;
  padding-left: 54px;
  color: var(--infra-blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.5;
  text-transform: uppercase;
}

/* 8.4: the value column carries a sentence, not a status word. */
.sf-row__value--text {
  color: var(--muted);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.55;
  text-transform: none;
}

/* Section heading on its own above a card row. */
.sf-page main .sf-head { margin-bottom: 30px; }
.sf-cards { display: grid; gap: 16px; }

/* Why it is organised this way: four short items. */
.sf-why .sf-mark { margin-bottom: 14px; }
.sf-quad { display: grid; margin: 26px 0 0; padding: 0; list-style: none; }
.sf-quad__item { padding: 22px 0; border-top: 1px solid var(--line); }
.sf-quad__item:last-child { padding-bottom: 0; }
.sf-quad__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 14px;
  border-radius: var(--radius);
  background: var(--soft-blue);
  color: var(--tank-blue);
}
.sf-quad__title { margin: 0 0 7px; color: var(--tank-blue); font-size: 16px; font-weight: 800; line-height: 1.3; }
.sf-quad__text { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

/* 8.6 safety statistic: one figure in a white panel. */
.sf-stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px 18px;
  padding: 26px 20px;
  border-radius: var(--sf-radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.sf-stat__icon {
  grid-row: span 2;
  align-self: start;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-round);
  background: var(--tank-blue-dark);
  color: #fff;
}
.sf-stat__value {
  margin: 0;
  color: var(--tank-blue);
  font-family: "Biennale", "Helvetica Neue", sans-serif;
  font-size: clamp(36px, 9vw, 64px);
  line-height: 1;
  letter-spacing: -.02em;
}
.sf-stat__text { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }

/* 8.7 related pages. */
.sf-links { display: grid; gap: 14px; margin-top: 26px; }
.sf-link {
  display: grid;
  gap: 10px;
  padding: 24px 20px;
  border-radius: var(--sf-radius);
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.sf-link:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.sf-link__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.sf-link__title { color: var(--tank-blue); font-size: 19px; font-weight: 800; line-height: 1.25; }
.sf-link__text { color: var(--muted); font-size: 14px; line-height: 1.55; }
.sf-link:hover .sf-card__arrow { transform: translateX(3px); }

/* Closing call to action. */
.sf-cta {
  position: relative;
  overflow: hidden;
  display: grid;
  border-radius: var(--sf-radius);
  background: var(--tank-blue-dark);
  color: #fff;
}
.sf-cta__media { position: relative; order: 1; min-height: 210px; }
.sf-cta__copy { order: 2; padding: 32px 20px 30px; }
.sf-page main .sf-cta h2 { color: #fff; }
.sf-cta__text {
  max-width: 44ch;
  margin: 16px 0 24px;
  color: rgb(255 255 255 / .78);
  font-size: 15px;
  line-height: 1.6;
}

@media (min-width: 720px) {
  .sf-hero { padding-block: calc(var(--header-height) + 74px) 76px; }
  .sf-hero h1 { font-size: clamp(46px, 6.6vw, 62px); }
  .sf-hero__body { font-size: 17px; }


  .sf-panel { padding: 34px 30px; }

  .sf-approach { grid-template-columns: 1fr 1fr; gap: 30px 34px; }
  .sf-approach__copy { grid-column: 1 / -1; }

  .sf-row { grid-template-columns: minmax(0, 36%) minmax(0, 1fr); align-items: center; gap: 28px; padding: 22px 26px; }
  .sf-row__value { padding-left: 0; }


  /* Practices become full-width horizontal rows at this width rather than
     three squashed columns. The badge moves to the seam between media and copy. */
  .sf-cards .sf-card { display: grid; grid-template-columns: minmax(0, 38%) minmax(0, 1fr); }
  .sf-cards .sf-card__media { height: 100%; }
  .sf-cards .sf-card__media .sf-ph { height: 100%; aspect-ratio: auto; border-radius: var(--sf-radius) 0 0 var(--sf-radius); }
  .sf-cards .sf-badge { left: auto; right: -22px; bottom: 24px; }
  .sf-cards .sf-card__body { padding: 26px 28px 24px; }

  .sf-quad { grid-template-columns: 1fr 1fr; column-gap: 34px; }
  .sf-quad--3 { grid-template-columns: 1fr; }
  .sf-stat { padding: 34px 34px; gap: 8px 26px; }
  .sf-stat__icon { width: 56px; height: 56px; }
  .sf-links { grid-template-columns: 1fr 1fr; }
  .sf-link { padding: 28px 26px; }

  .sf-cta__copy { padding: 42px 34px 40px; }
  .sf-cta__media { min-height: 260px; }
}

@media (min-width: 1024px) {
  .sf-hero {
    padding-block: calc(var(--header-height) + 92px) 100px;
    border-radius: 0 0 var(--radius) var(--radius);
  }
  .sf-hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr); align-items: center; gap: 58px; }
  .sf-hero h1 { font-size: clamp(54px, 4.8vw, 70px); }
  .sf-ph--hero { aspect-ratio: 4 / 3.15; }
  .sf-page main h2 { font-size: clamp(38px, 3.4vw, 52px); }


  /* 8.3: photo on the left, heading and the three monitoring rows beside it.
     A three-column split left the Thai row titles too little room. */
  .sf-approach {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    grid-template-rows: auto 1fr;
    gap: 34px 56px;
    align-items: start;
    padding: 48px 44px;
  }
  .sf-approach__copy { grid-column: 2; grid-row: 1; }
  .sf-approach__media { grid-column: 1; grid-row: 1 / span 2; }
  .sf-steps { grid-column: 2; grid-row: 2; }
  .sf-approach__media .sf-ph { aspect-ratio: 4 / 4.2; }

  .sf-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sf-cards .sf-card { display: block; }
  .sf-cards .sf-card__media { height: auto; }
  .sf-cards .sf-card__media .sf-ph { height: auto; aspect-ratio: 16 / 10; border-radius: var(--sf-radius) var(--sf-radius) 0 0; }
  .sf-cards .sf-badge { left: 20px; right: auto; bottom: -22px; }
  .sf-cards .sf-card__body { padding: 38px 24px 24px; }

  .sf-quad { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: 36px; }
  .sf-quad--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 40px; }

  .sf-cta { grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr); }
  .sf-cta__copy { order: 1; padding: 58px 52px; }
  .sf-cta__media { order: 2; min-height: 100%; }
}

/* Thai typography. Latin tracking is reset everywhere a small label carries it. */
html[data-language="th"] .sf-hero h1,
html[data-language="th"] .sf-page main h2 {
  font-family: "DB Helvethaica X", "Noto Sans Thai", Tahoma, sans-serif;
  font-style: normal;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.04;
}
html[data-language="th"] .sf-hero h1 { font-size: clamp(44px, 11.5vw, 66px); }
html[data-language="th"] .sf-page main h2 { font-size: clamp(34px, 8vw, 50px); }

html[data-language="th"] .sf-eyebrow,
html[data-language="th"] .sf-mark,
html[data-language="th"] .sf-card__label,
html[data-language="th"] .sf-row__value {
  font-family: "TH Sarabun New", "Noto Sans Thai", Tahoma, sans-serif;
  letter-spacing: 0;
  text-transform: none;
}
html[data-language="th"] .sf-eyebrow,
html[data-language="th"] .sf-mark { font-size: var(--eyebrow-size-th); font-weight: 700; line-height: 1.35; }
html[data-language="th"] .sf-card__label { font-size: var(--eyebrow-size-th); font-weight: 700; line-height: 1.35; }
html[data-language="th"] .sf-row__value { font-size: var(--th-action); font-weight: 700; line-height: 1.4; }

html[data-language="th"] .sf-hero__body,
html[data-language="th"] .sf-lede,
html[data-language="th"] .sf-cta__text { font-size: var(--th-body); line-height: 1.5; }
html[data-language="th"] .sf-card__text,
html[data-language="th"] .sf-step__text,
html[data-language="th"] .sf-quad__text,
html[data-language="th"] .sf-link__text,
html[data-language="th"] .sf-row__value--text,
html[data-language="th"] .sf-stat__text { font-size: var(--th-body-sm); font-weight: 400; line-height: 1.45; }

html[data-language="th"] .sf-card__title,
html[data-language="th"] .sf-link__title,
html[data-language="th"] .sf-step__title,
html[data-language="th"] .sf-quad__title,
html[data-language="th"] .sf-row__label {
  font-family: "DB Helvethaica X", "Noto Sans Thai", Tahoma, sans-serif;
  font-style: normal;
  font-weight: 700;
  line-height: 1.2;
}
html[data-language="th"] .sf-card__title,
html[data-language="th"] .sf-link__title { font-size: var(--th-title-sm); }
html[data-language="th"] .sf-step__title,
html[data-language="th"] .sf-quad__title,
html[data-language="th"] .sf-row__label { font-size: var(--th-lead); }

html[data-language="th"] .sf-stat__value {
  font-family: "DB Helvethaica X", "Noto Sans Thai", Tahoma, sans-serif;
  letter-spacing: 0;
}

html[data-language="th"] .sf-pill,
html[data-language="th"] .sf-card__link {
  font-family: "TH Sarabun New", "Noto Sans Thai", Tahoma, sans-serif;
  font-size: var(--th-action);
  font-weight: var(--action-weight);
  line-height: 1.25;
}

/* Thai row titles in 8.3 are single long phrases; on a phone they get a
   slightly smaller size so they stay on one line inside the panel. */
@media (max-width: 719px) {
  html[data-language="th"] .sf-step__title { font-size: 22px; }
  .sf-approach.sf-panel { padding-inline: 18px; }
}