/* ==========================================================================
   SF MARKET — Design System
   Rebuilt from the Wayback Machine capture of sfmarket.hk (2024-09-23).
   Source values: OceanWP theme CSS + Elementor kit embedded in the snapshot.
   ========================================================================== */

/* ---- 1. Design tokens ---------------------------------------------------- */
:root {
  /* Brand — from the archived favicon logo mark */
  --sf-teal-100: #00b5c0;   /* logo cyan */
  --sf-teal-500: #008694;   /* logo teal */
  --sf-teal-900: #085563;   /* logo dark teal */

  /* Accent — original theme link/button color (#6e8fef, hover #39529a) */
  --sf-accent:       #6e8fef;
  --sf-accent-dark:  #39529a;

  /* Neutrals — original OceanWP values */
  --sf-ink:        #222222;  /* headings, footer links */
  --sf-body:       #777777;  /* body text */
  --sf-muted:      #999999;  /* team roles */
  --sf-faint:      #adadad;  /* footer bottom text */
  --sf-border:     #eeeeee;
  --sf-border-alt: #eaeaea;
  --sf-field-bg:   #f9f9f9;
  --sf-field-bd:   #f5f5f5;
  --sf-surface:    #ffffff;
  --sf-surface-2:  #f7f9fc;  /* soft section background */

  /* Typography — original Google Fonts pairing */
  --sf-font-heading: 'Josefin Sans', sans-serif;
  --sf-font-body: 'Lato', sans-serif;
  --sf-fs-body: 15px;
  --sf-lh-body: 1.8;
  --sf-fs-h1: clamp(34px, 5vw, 52px);
  --sf-fs-h2: clamp(26px, 3.6vw, 36px);
  --sf-fs-h3: 20px;
  --sf-fs-nav: 11px;         /* uppercase, ls 1px — original nav spec */
  --sf-fs-small: 12px;
  --sf-ls-caps: 1px;

  /* Shape & spacing */
  --sf-radius-pill: 30px;    /* original button/input radius */
  --sf-radius-card: 10px;
  --sf-space-1: 8px;
  --sf-space-2: 16px;
  --sf-space-3: 24px;
  --sf-space-4: 40px;
  --sf-space-5: 64px;
  --sf-space-6: 100px;
  --sf-container: 1200px;

  /* Effects */
  --sf-shadow-card: 0 14px 40px rgba(8, 85, 99, 0.10);
  --sf-shadow-soft: 0 6px 18px rgba(34, 34, 34, 0.08);
  --sf-hero-grad: linear-gradient(160deg, #eef6f8 0%, #ffffff 45%, #eef1fd 100%);
}

/* ---- 2. Base ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sf-font-body);
  font-weight: 300;
  font-size: var(--sf-fs-body);
  line-height: var(--sf-lh-body);
  color: var(--sf-body);
  background: var(--sf-surface);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  color: var(--sf-ink);
  line-height: 1.25;
  margin: 0 0 var(--sf-space-2);
}
h1 { font-size: var(--sf-fs-h1); }
h2 { font-size: var(--sf-fs-h2); }
h3 { font-size: var(--sf-fs-h3); }
p { margin: 0 0 var(--sf-space-2); }
a { color: var(--sf-accent); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--sf-accent-dark); }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--sf-container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--sf-space-6) 0; }
.section--alt { background: var(--sf-surface-2); }

/* Section heading with the original 28×2px accent underline */
.section-title {
  text-transform: uppercase;
  letter-spacing: var(--sf-ls-caps);
  position: relative;
  padding-bottom: 14px;
  margin-bottom: var(--sf-space-3);
}
.section-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 28px; height: 2px;
  background: var(--sf-accent);
}
.section-title--center { text-align: center; }
.section-title--center::after { left: 50%; transform: translateX(-50%); }

.eyebrow {
  font-family: var(--sf-font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sf-teal-500);
  margin-bottom: var(--sf-space-2);
}

/* ---- 3. Buttons ----------------------------------------------------------- */
.btn {
  display: inline-block;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: var(--sf-ls-caps);
  text-transform: uppercase;
  color: #fff;
  background: var(--sf-accent);
  border: 2px solid var(--sf-accent);
  border-radius: var(--sf-radius-pill);
  padding: 14px 34px 12px;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { background: var(--sf-accent-dark); border-color: var(--sf-accent-dark); color: #fff; }
.btn--ghost { background: transparent; color: var(--sf-accent); }
.btn--ghost:hover { background: var(--sf-accent); color: #fff; }
.btn--teal { background: var(--sf-teal-500); border-color: var(--sf-teal-500); }
.btn--teal:hover { background: var(--sf-teal-900); border-color: var(--sf-teal-900); }
.btn--block { display: block; width: 100%; text-align: center; }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- 4. Header ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.35); /* original transparent header */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--sf-shadow-soft);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sf-space-3);
  min-height: 74px; /* original header height */
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo__mark { width: 38px; height: 38px; }
.logo__text {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 2.5px;
  color: var(--sf-ink);
  white-space: nowrap;
}
.logo__text span { color: var(--sf-teal-500); }

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.site-nav a {
  display: block;
  padding: 10px 14px;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: var(--sf-fs-nav);
  letter-spacing: var(--sf-ls-caps);
  text-transform: uppercase;
  color: var(--sf-ink);
}
.site-nav a:hover, .site-nav a.is-active { color: var(--sf-accent); }

.social { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.social a {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  color: var(--sf-ink);
}
.social a:hover { color: var(--sf-accent); }
.social svg { width: 15px; height: 15px; fill: currentColor; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--sf-ink);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* ---- 5. Hero -------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  background: var(--sf-hero-grad);
  padding: 140px 0 90px;
}
.hero__logo { width: min(240px, 55vw); margin: 0 auto var(--sf-space-3); }
.hero__wordmark {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 44px);
  letter-spacing: 6px;
  color: var(--sf-ink);
  margin-bottom: 4px;
}
.hero__wordmark span { color: var(--sf-teal-500); }
.hero h1 { margin-bottom: var(--sf-space-2); }
.hero__tagline {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--sf-ink);
  margin-bottom: var(--sf-space-2);
}
.hero__mission { max-width: 640px; margin: 0 auto var(--sf-space-4); }

/* ---- 6. Brand cards -------------------------------------------------------- */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sf-space-3);
}
.brand-card {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-card);
  padding: var(--sf-space-4) var(--sf-space-3);
  text-align: center;
  box-shadow: var(--sf-shadow-soft);
  transition: transform .25s ease, box-shadow .25s ease;
}
.brand-card:hover { transform: translateY(-6px); box-shadow: var(--sf-shadow-card); }
.brand-card__monogram {
  width: 74px; height: 74px;
  margin: 0 auto var(--sf-space-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 26px;
  color: #fff;
  background: linear-gradient(135deg, var(--sf-teal-100), var(--sf-teal-900));
}
.brand-card__name {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--sf-ink);
  margin-bottom: 6px;
}
.brand-card__desc { font-size: 13px; margin: 0; }

/* ---- 7. Counters ----------------------------------------------------------- */
.counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sf-space-3);
  text-align: center;
}
.counter__number {
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 44px);
  color: var(--sf-teal-500);
  line-height: 1.1;
}
.counter__label {
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--sf-body);
  margin-top: 6px;
}

/* ---- 8. Team cards ---------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sf-space-3);
}
.team-card {
  background: var(--sf-surface);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-card);
  padding: var(--sf-space-3);
  text-align: center;
  box-shadow: var(--sf-shadow-soft);
}
.team-card__avatar {
  width: 96px; height: 96px;
  margin: 0 auto var(--sf-space-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--sf-font-heading);
  font-weight: 700;
  font-size: 30px;
  color: #fff;
  background: linear-gradient(135deg, var(--sf-teal-500), var(--sf-teal-900));
}
.team-card:nth-child(even) .team-card__avatar {
  background: linear-gradient(135deg, var(--sf-accent), var(--sf-accent-dark));
}
.team-card__name { margin-bottom: 2px; font-size: 18px; }
.team-card__role {
  font-size: var(--sf-fs-small);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--sf-muted);
  margin: 0;
}

/* ---- 9. Icon boxes (contact) ------------------------------------------------ */
.icon-boxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sf-space-3);
  text-align: center;
}
.icon-box__icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--sf-space-2);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--sf-teal-500);
  color: #fff;
}
.icon-box__icon svg { width: 24px; height: 24px; fill: currentColor; }
.icon-box h3 { margin-bottom: var(--sf-space-1); }
.icon-box p { margin: 0; }

/* ---- 10. Forms ---------------------------------------------------------------- */
.field {
  width: 100%;
  font-family: var(--sf-font-body);
  font-size: 15px;
  color: var(--sf-ink);
  background: var(--sf-field-bg);
  border: 1px solid var(--sf-field-bd);
  border-radius: var(--sf-radius-pill);
  padding: 10px 18px; /* original input padding */
  outline: none;
  transition: border-color .2s ease;
}
.field:focus { border-color: var(--sf-border); }
.field:disabled { opacity: 0.55; cursor: not-allowed; }
textarea.field { border-radius: 18px; min-height: 120px; resize: vertical; }

/* ---- 11. Footer ----------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--sf-border-alt);
  padding: 22px 0 20px;
  text-align: center;
}
.site-footer a {
  font-family: var(--sf-font-heading);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: var(--sf-ls-caps);
  text-transform: uppercase;
  color: var(--sf-ink);
}
.site-footer a:hover { color: var(--sf-accent); }
.site-footer__copy {
  font-family: var(--sf-font-heading);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: var(--sf-ls-caps);
  text-transform: uppercase;
  color: var(--sf-faint);
  margin-top: 12px;
}

/* Scroll-top — original round #eee button */
.scroll-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 42px; height: 42px;
  border-radius: 50px;
  border: 0;
  background: var(--sf-border);
  color: var(--sf-ink);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease, background .2s ease, color .2s ease;
  z-index: 40;
}
.scroll-top.is-visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { background: var(--sf-accent); color: #fcfcfc; }
.scroll-top svg { width: 16px; height: 16px; fill: currentColor; }

/* ---- 12. Split layout helper ----------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sf-space-5);
  align-items: center;
}

/* ---- 13. Responsive --------------------------------------------------------------- */
@media (max-width: 959px) {
  .split { grid-template-columns: 1fr; gap: var(--sf-space-4); }
  .counters { grid-template-columns: repeat(2, 1fr); }
  .brand-grid, .team-grid, .icon-boxes { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .site-nav, .site-header .social { display: none; }
  .nav-toggle { display: block; }
  .site-nav.is-open {
    display: block;
    position: absolute;
    top: 74px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--sf-border);
    box-shadow: var(--sf-shadow-soft);
    padding: var(--sf-space-2) 0;
  }
  .site-nav.is-open ul { flex-direction: column; gap: 0; }
  .site-nav.is-open a { padding: 12px 24px; }
  .brand-grid, .team-grid, .icon-boxes { grid-template-columns: 1fr; }
  .section { padding: var(--sf-space-5) 0; }
}