/* ============================================================
   CarbonStroke — styles
   ============================================================ */

:root {
  --cream:      #faf5ee;
  --cream-2:    #f5efe6;
  --gray-bg:    #f4f4f5;
  --white:      #ffffff;
  --ink:        #232323;
  --ink-soft:   #2b2b2b;
  --muted:      #6d6d72;
  --muted-2:    #8a8a90;
  --orange:     #e5843c;   /* fills and strokes only — 3.4:1, not safe for text */
  --orange-2:   #a8511a;   /* text-safe orange: 5.4:1 on white, 5.0:1 on --gray-bg */
  --peach:      #fcf0e4;
  --line:       #e9e6e0;
  --card:       #ffffff;

  --danger:     #b3261e;   /* 6.5:1 on white */
  --success:    #1c6b3f;   /* 6.5:1 on white */
  --field-line: #8f8a82;   /* 3.4:1 on white, 3.1:1 on --gray-bg (WCAG 1.4.11) */

  --radius:     14px;
  --radius-lg:  20px;
  --shadow-sm:  0 1px 2px rgba(30, 25, 20, .04), 0 4px 14px rgba(30, 25, 20, .05);
  --shadow-md:  0 6px 20px rgba(30, 25, 20, .08), 0 2px 6px rgba(30, 25, 20, .05);
  --shadow-lg:  0 18px 50px rgba(30, 25, 20, .14);

  --container:  1160px;
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:  "Fira Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

html, body { overflow-x: hidden; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

/* Single keyboard-focus indicator for the whole page: ink on light surfaces,
   white on the dark footer/stat cards. Both clear 3:1 (WCAG 1.4.11 / 2.4.7). */
:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}
.site-footer :focus-visible,
.stat-card :focus-visible { outline-color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.12;
  margin: 0;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-py: 13px; --btn-px: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: var(--btn-py) var(--btn-px);
  border-radius: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-dark   { background: var(--ink-soft); color: #fff; box-shadow: var(--shadow-sm); }
.btn-dark:hover { background: #000; box-shadow: var(--shadow-md); }

.btn-outline { background: rgba(255,255,255,.6); color: var(--ink); border-color: rgba(35,35,35,.55); backdrop-filter: blur(4px); }
.btn-outline:hover { background: #fff; border-color: var(--ink); }

.btn-sm { --btn-py: 9px; --btn-px: 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(250, 245, 238, .82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(233, 230, 224, .8);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 30px; height: auto; }
.brand-name { font-family: var(--font-sans); font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }

.nav-list { display: flex; gap: 34px; list-style: none; margin: 0; padding: 0; }
.nav-list a { font-size: 15px; font-weight: 500; color: #4a4a4f; transition: color .15s; }
.nav-list a:hover { color: var(--ink); }

.nav-cta { margin-left: auto; }
.nav { margin-left: auto; }
.nav + .nav-cta { margin-left: 0; }

/* toggle (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 0 auto; transition: transform .25s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu[hidden] { display: none; }
.mobile-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 24px 22px;
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.mobile-menu a { padding: 10px 6px; font-weight: 500; border-radius: 8px; }
.mobile-menu a:not(.btn):hover { background: rgba(0,0,0,.04); }
.mobile-menu .btn { margin-top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: block;
  overflow: hidden;
  background: var(--cream);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(250,245,238,.55) 0%, rgba(250,245,238,.15) 34%, rgba(250,245,238,0) 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: 84px;
  padding-bottom: 120px;
  max-width: 760px;
}
.hero-title {
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  font-weight: 600;
  color: var(--ink);
  overflow-wrap: break-word;
}
.hero-sub {
  margin: 22px auto 0;
  max-width: 560px;
  color: #4d4a45;
  font-size: 1.02rem;
}
.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.scroll-cue {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px; height: 42px;
  border: 2px solid rgba(40,40,40,.55);
  border-radius: 20px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.scroll-cue span {
  width: 4px; height: 8px;
  border-radius: 3px;
  background: rgba(40,40,40,.7);
  animation: scrollcue 1.6s ease-in-out infinite;
}
@keyframes scrollcue {
  0%   { transform: translateY(0); opacity: 1; }
  70%  { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.services  { background: var(--gray-bg); }
.about     { background: var(--white); }
.portfolio { background: var(--gray-bg); }
.contact   { background: var(--white); }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
.section-title { font-size: clamp(1.9rem, 3.4vw, 2.5rem); }
.section-lead { margin: 14px 0 0; color: var(--muted); font-size: 1.02rem; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(233,230,224,.7);
  transition: transform .22s ease, box-shadow .22s ease;
}

/* ---------- Services ---------- */
.service-card { text-align: left; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-icon { width: 52px; height: 52px; margin-bottom: 18px; border-radius: 13px; }
.service-card h3 { font-size: 1.22rem; margin-bottom: 8px; }
.service-card p { margin: 0; color: var(--muted); font-size: .96rem; }

/* ---------- About / Why choose ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-copy .section-title { text-align: left; }
.about-copy > p { color: var(--muted); margin: 22px 0 26px; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.check-list li {
  position: relative;
  padding-left: 38px;
  font-weight: 500;
  color: #35353a;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--orange);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23e5843c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 13px no-repeat;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.stat-card {
  min-height: 168px;
  border-radius: var(--radius);
  padding: 40px 20px;
  background: var(--ink-soft);
  color: #fff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}
.stat-num { font-family: var(--font-serif); font-size: 2.5rem; font-weight: 700; line-height: 1; }
/* Flip counter digits */
.stat-digit {
  display: inline-block;
  min-width: .58em;
  text-align: center;
  transform-origin: 50% 50%;
}
.stat-digit.stat-sym { min-width: 0; }
.stat-digit.is-flipping { animation: digitFlip .22s ease-out; }
@keyframes digitFlip {
  0%   { transform: rotateX(-90deg); opacity: .25; }
  100% { transform: rotateX(0deg); opacity: 1; }
}
.stat-label { color: #c9c7c4; font-size: .92rem; }

/* ---------- Portfolio ---------- */
.work-card { display: block; cursor: pointer; color: inherit; text-decoration: none; }
.work-more { display: flex; justify-content: center; margin-top: 72px; }
.work-thumb {
  height: 168px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
  transition: transform .25s ease, box-shadow .25s ease;
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.work-card:hover .work-thumb { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.work-thumb::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(0,0,0,.22));
}
.work-thumb--1 { background-image: url("../assets/img/portfolio/corner-store.jpg"); }
.work-thumb--2 { background-image: url("../assets/img/portfolio/ceylinco-vip.jpg"); }
.work-thumb--3 { background-image: url("../assets/img/portfolio/eve-case-study.jpg"); }
.work-thumb--4 { background-image: url("../assets/img/portfolio/eve-design-system.jpg"); }
.work-thumb--5 { background-image: url("../assets/img/portfolio/tm-theatre-app.jpg"); }
.work-thumb--6 { background-image: url("../assets/img/portfolio/zen-motors.jpg"); }
.work-cat { display: block; font-size: .8rem; color: var(--orange-2); font-weight: 600; margin-bottom: 3px; }
.work-card h3 { font-size: 1.15rem; }

/* ---------- Contact ---------- */
.contact-form {
  max-width: 680px;
  margin: 0 auto;
  background: var(--gray-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; margin-bottom: 18px; }
.field label { font-size: .9rem; font-weight: 600; margin-bottom: 7px; color: #35353a; }
.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: .96rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--field-line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
  resize: vertical;
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 42px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23787680' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") right 16px center / 13px no-repeat, #fff;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--muted); }

/* Brand tint on focus. The visible focus indicator is the :focus-visible
   outline defined at the top of this file — this ring is decoration on top. */
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(229,132,60,.15);
}

/* ---------- Form validation states ---------- */
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--danger); }
.field.has-error input:focus,
.field.has-error select:focus,
.field.has-error textarea:focus {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(179,38,30,.15);
}

.field-error[hidden] { display: none; }
.field-error {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin: 7px 0 0;
  font-size: .86rem;
  font-weight: 500;
  color: var(--danger);
}
.field-error::before {
  content: "";
  flex: 0 0 16px;
  width: 16px; height: 16px;
  margin-top: 2px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23b3261e' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7.5v5.5'/%3E%3Cpath d='M12 16.5h.01'/%3E%3C/svg%3E") center / 16px no-repeat;
}

/* Summary line. Error and success differ by colour *and* icon, never colour
   alone (WCAG 1.4.1). */
.form-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 14px 0 0;
  font-size: .92rem;
  font-weight: 500;
  min-height: 1.4em;
  text-align: center;
}
.form-note.is-error { color: var(--danger); }
.form-note.is-success { color: var(--success); }
.form-note.is-error::before,
.form-note.is-success::before {
  content: "";
  flex: 0 0 16px;
  width: 16px; height: 16px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 16px;
}
.form-note.is-error::before {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23b3261e' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7.5v5.5'/%3E%3Cpath d='M12 16.5h.01'/%3E%3C/svg%3E");
}
.form-note.is-success::before {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%231c6b3f' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpolyline points='8 12.5 11 15.5 16 9'/%3E%3C/svg%3E");
}

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-soft); color: #d7d5d2; padding: 56px 0 26px; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1.4fr;
  gap: 36px;
}
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-mark { width: 34px; }
.footer-col h4 { font-family: var(--font-sans); font-size: .95rem; color: #fff; margin-bottom: 16px; font-weight: 600; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-col a { color: #b8b6b3; font-size: .92rem; transition: color .15s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
}
.footer-bottom p { margin: 0; color: #9a9895; font-size: .88rem; }

/* ---------- Reveal animation ----------
   Scoped to .js (set by the inline script in <head>) so that content is
   visible by default. If the script never runs, nothing is hidden. */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 940px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-copy .section-title { text-align: center; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .stats-grid { gap: 14px; }
  .stat-card { min-height: 140px; padding: 30px 16px; }
  .hero { min-height: 560px; }
  .hero-content { padding-top: 60px; padding-bottom: 90px; }
  .hero-title { font-size: 1.85rem; }
  .hero-title br { display: none; }
  .hero-actions { gap: 12px; }
  .contact-form { padding: 24px; }
  /* Mobile: centre the footer instead of the column grid */
  .footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 28px 40px;
    text-align: center;
  }
  .footer-brand { flex: 0 0 100%; display: flex; justify-content: center; }
}

@media (max-width: 460px) {
  .footer-inner { flex-direction: column; align-items: center; gap: 26px; }
  .footer-brand { flex: 0 0 auto; }
  .hero-actions .btn { flex: 1; }
}

/* ---------- Accessibility: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .stat-digit.is-flipping { animation: none; }
  .scroll-cue span { animation: none; }
  .btn:hover { transform: none; }
}