/* =====================================================================
   Wellform Myanmar — site stylesheet
   Sage palette · IBM Plex Sans + IBM Plex Mono
   ===================================================================== */

:root {
  /* Palette */
  --bg:         #eef0e3;
  --paper:      #f6f7ec;
  --beige:      #b9c4a8;      /* mid-sage card / placeholder */
  --beige-soft: #d4dac6;
  --ink:        #1f231d;
  --muted:      #6c7665;
  --muted-lt:   #9aa392;
  --rule:       #cdd2c0;
  --rule-lt:    #e1e4d3;
  --sage:       #6c7c63;      /* primary sage accent */
  --sage-deep:  #4a5942;

  /* Type */
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Layout */
  --pad-x: 64px;
}

/* ---- Reset ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;       /* long words/emails wrap instead of overflowing */
  overflow-x: hidden;              /* belt-and-braces against horizontal scroll */
  max-width: 1500px;               /* stop the layout over-stretching on big monitors */
  margin: 0 auto;                  /* …and centre it; the html bg fills the sides */
}
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4, p { margin: 0; }

/* ---- Type system ---------------------------------------------------- */
.h-display {       /* 96–116 px headlines */
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(64px, 7vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  text-wrap: pretty;
}
.h-display--xl {
  font-size: clamp(72px, 8vw, 116px);
}
.h-section {       /* 48–64 px section heads */
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(44px, 4vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.025em;
}
.h-section--lg {
  font-size: clamp(48px, 5vw, 84px);
  letter-spacing: -0.03em;
}
.h-card {          /* 22–26 px card titles */
  font-family: var(--sans);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
.h-card--lg { font-size: 36px; letter-spacing: -0.02em; line-height: 1.05; }
.h-card--xl { font-size: 48px; letter-spacing: -0.025em; line-height: 1.05; }

.eyebrow {         /* small mono uppercase labels */
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow--ink { color: var(--ink); }
.eyebrow--lt  { color: var(--muted-lt); }

.lead {            /* lede / body lead */
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 560px;
}
.lead--lg { font-size: 19px; }

.muted-color { color: var(--muted); }
.sage-color  { color: var(--sage); }

.mono { font-family: var(--mono); }

/* ---- Layout primitives --------------------------------------------- */
.section { padding: 44px var(--pad-x); }
.section--tight { padding: 28px var(--pad-x); }
.section--strip { padding: 20px var(--pad-x); }
.section--cta   { padding: 48px var(--pad-x); }

.section--paper {
  background: var(--paper);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.section--bordered-t { border-top: 1px solid var(--rule); }
.section--bordered-strong-t { border-top: 1px solid var(--ink); }
.section--ink {
  background: var(--ink);
  color: var(--bg);
}
.section--ink .eyebrow { color: var(--muted-lt); }

.grid { display: grid; }
.grid--contact { grid-template-columns: 1.4fr 1fr; gap: 48px; }
.grid--2  { grid-template-columns: 1fr 1fr; gap: 20px; }
.grid--3  { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid--4  { grid-template-columns: repeat(4, 1fr); gap: 20px; }
.grid--1-2 { grid-template-columns: 1fr 2fr; gap: 36px; }
.grid--2-1 { grid-template-columns: 2fr 1fr; gap: 36px; }
.grid--hero { grid-template-columns: 1.15fr 1fr; gap: 44px; align-items: end; }
.grid--hero-wide { grid-template-columns: 1.4fr 1fr; gap: 44px; align-items: end; }

/* ---- Navigation ---------------------------------------------------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--pad-x);
  border-bottom: 1px solid var(--rule);
}
.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.nav__logo-mark {
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.nav__logo-sub {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav__links { display: flex; gap: 36px; align-items: center; }
.nav__link {
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav__link--active { border-bottom-color: var(--ink); }
.nav__link:hover { border-bottom-color: var(--muted-lt); }

/* Hamburger toggle (CSS-only, shown on mobile) */
.nav__toggle { display: none; }
.nav__burger {
  display: none;              /* revealed only at mobile width */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  flex-shrink: 0;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform .25s ease, opacity .2s ease;
}

/* ---- Buttons ------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 16px 24px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn--primary    { background: var(--ink); color: var(--bg); }
.btn--on-ink     { background: var(--bg);  color: var(--ink); }
.btn--ghost      {
  color: var(--ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--ink);
}
.btn--sm { padding: 11px 22px; font-size: 13px; letter-spacing: 0.04em; }

/* ---- Footer -------------------------------------------------------- */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding: 44px var(--pad-x) 22px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer__col-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-lt);
  margin-bottom: 14px;
}
.footer__col-body { font-size: 13px; line-height: 1.6; color: var(--bg); }
.footer__col-body a { color: inherit; text-decoration: none; display: block; line-height: 1.9; }
.footer__lead {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted-lt);
  max-width: 360px;
  margin-top: 24px;
}
.footer__legal {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid #3a3e34;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-lt);
}

/* ---- Cert strip ---------------------------------------------------- */
.cert-strip {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 32px var(--pad-x);
}
.cert-strip__grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 48px;
  align-items: center;
}
.cert-strip__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-left: 24px;
  border-left: 1px solid var(--rule-lt);
}
.cert-item:first-child { padding-left: 0; border-left: 0; }
.cert-item__name { font-size: 14px; font-weight: 500; letter-spacing: -0.005em; }
.cert-item__logo {
  max-height: 44px;
  max-width: 130px;
  width: auto;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}

/* ---- Image placeholders -------------------------------------------- */
/* Drop these in until real photography is supplied. Replace each .ph
   with an <img> or <picture>. The text content describes the shot. */
.ph {
  background-color: var(--beige-soft);
  background-image:
    linear-gradient(135deg, rgba(0,0,0,0.025) 25%, transparent 25%, transparent 50%, rgba(0,0,0,0.025) 50%, rgba(0,0,0,0.025) 75%, transparent 75%);
  background-size: 14px 14px;
  color: var(--sage-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  overflow: hidden;
  position: relative;
}
/* Real image dropped inside a .ph box — fills it, preserves the box height */
.ph > img, .ph__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.ph .ph__caption { z-index: 2; }
.ph--beige { background-color: var(--beige); color: #3a4634; }
.ph--dark  { background-color: var(--ink);  color: #8a9a82; }
.ph--taupe { background-color: var(--sage); color: var(--bg); }
.ph__label {
  padding: 6px 12px;
  border: 1px solid currentColor;
  opacity: 0.7;
  max-width: 70%;
}
.ph__caption {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--bg);
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

/* ---- QR code placeholder ------------------------------------------ */
/* Replace with an actual QR PNG/SVG when ready. */
.qr-placeholder {
  background:
    conic-gradient(from 0deg at 20% 20%, var(--ink) 0deg 90deg, transparent 90deg 360deg),
    conic-gradient(from 0deg at 80% 20%, var(--ink) 0deg 90deg, transparent 90deg 360deg),
    conic-gradient(from 0deg at 20% 80%, var(--ink) 0deg 90deg, transparent 90deg 360deg),
    repeating-conic-gradient(var(--ink) 0deg 90deg, transparent 90deg 180deg);
  background-size: 100% 100%, 100% 100%, 100% 100%, 16px 16px;
  background-position: 0 0, 0 0, 0 0, 8px 8px;
  background-repeat: no-repeat, no-repeat, no-repeat, repeat;
  background-color: var(--paper);
  position: relative;
}
.qr-placeholder::after {
  content: 'QR';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: var(--paper);
  width: 28px;
  height: 28px;
  margin: auto;
  border: 1px solid var(--ink);
}

/* ---- Service / specialty cards ------------------------------------ */
.card {
  background: var(--paper);
  border: 1px solid var(--rule-lt);
  padding: 32px;
  display: flex;
  flex-direction: column;
}
.card--bare { background: var(--bg); border-color: var(--rule); padding: 28px; }
.card--bare-sm { padding: 24px; }
.card__cta {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
}

/* ---- Capability list (numbered rows) ------------------------------ */
.cap-row {
  display: grid;
  grid-template-columns: 60px 1fr 2fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.cap-row__number { color: var(--ink); }
.cap-row__body { color: var(--muted); margin: 0; max-width: 480px; }

/* ---- Service detail row (Offer page) ------------------------------ */
.service-row {
  display: grid;
  grid-template-columns: 120px 1.4fr 1fr;
  gap: 36px;
  padding: 34px 0;
  border-bottom: 1px solid var(--rule);
}
.service-row__no {
  font-family: var(--sans);
  font-size: 64px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--muted);
}
.service-row__includes { display: flex; flex-direction: column; }
.service-row__item {
  font-size: 14px;
  color: var(--ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-lt);
  display: flex;
  gap: 14px;
}
.service-row__item:last-child { border-bottom: 0; }
.service-row__item-dash {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  padding-top: 2px;
}

/* ---- Group structure diagram (About page) ------------------------- */
.group-diagram {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 32px;
  align-items: stretch;
}
.group-diagram__entity {
  background: var(--bg);
  padding: 40px;
  border: 1px solid var(--rule);
}
.group-diagram__entity--child {
  background: var(--ink);
  color: var(--bg);
  border: 0;
}
.group-diagram__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 32px;
  font-family: var(--mono);
  font-weight: 300;
}
.group-diagram__label-line {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.group-diagram__label-line--inv { color: var(--muted-lt); }

/* ---- Two-column principles list (About) --------------------------- */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px 56px;
}
.principle {
  border-top: 1px solid var(--ink);
  padding-top: 24px;
}
.principle__body {
  font-size: 15px;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.6;
}

/* ---- Contact card -------------------------------------------------- */
.contact-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 32px;
}
.contact-card__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.contact-card__row:last-child { margin-bottom: 0; }
.contact-card__big {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  text-decoration: none;
  color: var(--ink);
  overflow-wrap: anywhere;   /* the email address can break on very narrow screens */
}
.contact-card__big a { border-bottom: 1px solid var(--ink); padding-bottom: 2px; }

.contact-card__footer {
  border-top: 1px solid var(--rule);
  padding-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

/* ---- QR + map sidebar --------------------------------------------- */
.contact-side { display: flex; flex-direction: column; gap: 24px; }
.qr-block {
  background: var(--ink);
  color: var(--bg);
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: center;
}
.qr-block__qr { width: 120px; height: 120px; flex-shrink: 0; }

/* ---- Hero positioning strip --------------------------------------- */
.stats-strip {
  border-top: 1px solid var(--rule);
  padding: 26px var(--pad-x);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stats-strip__num {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.025em;
}
.stats-strip__label {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

/* ---- Responsive ---------------------------------------------------- */

/* Tablet — collapse wide grids, tighten padding */
@media (max-width: 1024px) {
  :root { --pad-x: 40px; }

  .grid--hero      { grid-template-columns: 1fr; gap: 40px; }
  .grid--hero-wide { grid-template-columns: 1fr; gap: 40px; }
  .grid--4         { grid-template-columns: repeat(2, 1fr); }
  .grid--1-2,
  .grid--2-1       { grid-template-columns: 1fr; gap: 40px; }

  .service-row     { grid-template-columns: 80px 1fr 1fr; gap: 32px; }

  .footer__grid    { grid-template-columns: 1fr 1fr; gap: 40px; }

  .grid--contact   { grid-template-columns: 1fr; gap: 32px; }
  .contact-card    { padding: 40px; }
  .contact-card__row { grid-template-columns: 1fr; gap: 24px; }

  /* world map: let it scale naturally */
  .group-diagram   { grid-template-columns: 1fr; gap: 0; }
  .group-diagram__arrow { display: none; }
}

/* Mobile */
@media (max-width: 768px) {
  :root { --pad-x: 20px; }

  /* Nav: logo + CTA + hamburger on row 1; links drop down when toggled */
  .nav {
    flex-wrap: wrap;
    gap: 14px;
    padding: 16px var(--pad-x);
  }
  .nav__logo   { order: 1; flex: 1; }
  .nav > .btn  { order: 2; }
  .nav__burger { order: 3; display: flex; }
  .nav__links {
    order: 4;
    width: 100%;
    display: none;
    flex-direction: column;
    gap: 0;
    margin-top: 4px;
    border-top: 1px solid var(--rule-lt);
  }
  .nav__toggle:checked ~ .nav__links { display: flex; }
  .nav__link {
    font-size: 15px;
    padding: 14px 2px;
    border-bottom: 1px solid var(--rule-lt);
  }
  .nav__link:last-child  { border-bottom: 0; }
  .nav__link--active     { border-bottom-color: var(--rule-lt); font-weight: 600; }

  /* burger morphs into an X when the menu is open */
  .nav__toggle:checked ~ .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__toggle:checked ~ .nav__burger span:nth-child(2) { opacity: 0; }
  .nav__toggle:checked ~ .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* All grids → single column */
  .grid--2,
  .grid--3,
  .grid--4         { grid-template-columns: 1fr; gap: 16px; }
  .grid--1-2,
  .grid--2-1,
  .grid--hero,
  .grid--hero-wide { grid-template-columns: 1fr; gap: 32px; }

  /* Section padding */
  .section        { padding: 36px var(--pad-x); }
  .section--tight { padding: 28px var(--pad-x); }
  .section--cta   { padding: 40px var(--pad-x); }
  .section--strip { padding: 18px var(--pad-x); }

  /* Stats strip: 2×2 */
  .stats-strip {
    padding: 28px var(--pad-x);
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .stats-strip__num  { font-size: 32px; }
  .stats-strip__label { margin-top: 8px; }

  /* Cert strip */
  .cert-strip__grid  { grid-template-columns: 1fr; gap: 20px; }
  .cert-strip__list  { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* Service rows: fully stacked */
  .service-row {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 40px 0;
  }
  .service-row__no { font-size: 40px; }

  /* Principles: single column */
  .principles { grid-template-columns: 1fr; gap: 28px; }

  /* Capabilities numbered rows: stack instead of cramped 3-column */
  .cap-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 22px 0;
  }
  .cap-row__body { max-width: 100%; }

  /* Contact */
  .grid--contact { grid-template-columns: 1fr; gap: 32px; }
  .contact-card  { padding: 28px 20px; }
  .contact-card__row    { grid-template-columns: 1fr; gap: 24px; margin-bottom: 28px; }
  .contact-card__footer { grid-template-columns: 1fr; gap: 20px; }
  .contact-card__big    { font-size: 17px; }

  /* QR block */
  .qr-block { padding: 24px; }
  .qr-block__qr { width: 88px; height: 88px; }

  /* Footer */
  .footer      { padding: 40px var(--pad-x) 20px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer__legal {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    margin-top: 40px;
  }

  /* Placeholder image heights — cap on mobile */
  section .ph:not(.cert-item__logo) { height: 220px !important; }

  /* Buttons: full width on mobile where they sit alone */
  .section--ink .btn { width: 100%; text-align: center; box-sizing: border-box; }

  /* Hero lead text: remove max-width constraint */
  .lead { max-width: 100%; }

  /* Cap h-section on mobile */
  .h-section    { font-size: clamp(32px, 7vw, 44px); }
  .h-section--lg { font-size: clamp(36px, 8vw, 52px); }
}

/* ---- Responsive bottom-padding helpers (used where inline padding
   has a hardcoded bottom value that won't respond to media queries) -- */
.pb-xl { padding-bottom: 56px; }
.pb-lg { padding-bottom: 44px; }
.pb-md { padding-bottom: 32px; }

@media (max-width: 768px) {
  .pb-xl { padding-bottom: 48px; }
  .pb-lg { padding-bottom: 36px; }
  .pb-md { padding-bottom: 28px; }
}

/* ---- Utilities ----------------------------------------------------- */
.stack { display: flex; flex-direction: column; }
.stack-gap-sm > * + * { margin-top: 16px; }
.stack-gap-md > * + * { margin-top: 24px; }
.stack-gap-lg > * + * { margin-top: 40px; }
.row { display: flex; }
.row-center { display: flex; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; }
.row-baseline { display: flex; align-items: baseline; }
.row-end { display: flex; align-items: flex-end; }
.gap-sm { gap: 16px; }
.gap-md { gap: 24px; }
.gap-lg { gap: 32px; }
.gap-xl { gap: 48px; }
.mt-md { margin-top: 24px; }
.mt-lg { margin-top: 40px; }
.mt-xl { margin-top: 64px; }
.max-w-md { max-width: 480px; }
.max-w-lg { max-width: 560px; }
.max-w-xl { max-width: 720px; }
.text-right { text-align: right; }

/* ============ Desktop (≥769px): centre all elements ============
   Mobile (≤768px) keeps its own left-aligned rules above, untouched. */
@media (min-width: 769px) {

  /* Centre the text of every content section */
  .section, .section--tight, .section--cta,
  .stats-strip, .cert-strip,
  .pb-xl, .pb-lg, .pb-md { text-align: center; }

  /* Centre max-width boxes so the box itself sits in the middle, not left */
  .lead, .muted-color,
  .h-card--lg, .h-card--xl { margin-left: auto; margin-right: auto; }
  .h-display, .h-display--xl,
  .h-section, .h-section--lg {
    margin-left: auto !important;
    margin-right: auto !important;
  }

  /* Flex/inline rows that text-align can't reach */
  .row, .row-center      { justify-content: center; }
  .card__cta             { justify-content: center; gap: 10px; }
  .cert-strip__grid      { justify-items: center; }
  .cert-item             { justify-content: center; }
  .service-row__includes { align-items: center; }
  .service-row__item     { justify-content: center; }
  .contact-card__footer  { justify-items: center; }
}