/* ================================================
   MINISAGE TECH LTD — Corporate site
   Liquid Pearl aesthetic · light + dark themes
   ================================================ */

/* -----------------------------------------------
   Theme tokens
   ----------------------------------------------- */
:root,
:root[data-theme="light"] {
  --bg:        #e7e7e2;
  --surface:   #f3f3ef;
  --surface-2: #fbfbf9;
  --text:      #1f1f1b;
  --text-soft: #3c3c36;
  --text-mut:  #65655c;
  --border:    rgba(20,20,15,0.12);
  --border-2:  rgba(20,20,15,0.08);
  --nav-bg:    rgba(231,231,226,0.72);
  --shadow:    0 18px 44px rgba(20,20,15,0.10);
  --shadow-sm: 0 2px 10px rgba(20,20,15,0.06);

  --btn-bg:    #1d1d18;
  --btn-fg:    #f5f5f1;
  --btn-bg-h:  #34342c;

  --hero-scrim: rgba(231,231,226,0.30);
  --pearl-fallback: #d3d3ce;
}

:root[data-theme="dark"] {
  --bg:        #0b0c0f;
  --surface:   #131419;
  --surface-2: #1a1c22;
  --text:      #eeeee9;
  --text-soft: #cdcdc6;
  --text-mut:  #8f8f87;
  --border:    rgba(255,255,255,0.12);
  --border-2:  rgba(255,255,255,0.07);
  --nav-bg:    rgba(11,12,15,0.62);
  --shadow:    0 20px 50px rgba(0,0,0,0.45);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.35);

  --btn-bg:    #f0f0ec;
  --btn-fg:    #16160f;
  --btn-bg-h:  #ffffff;

  --hero-scrim: rgba(11,12,15,0.34);
  --pearl-fallback: #14151a;
}

/* shared accents */
:root {
  --grad: linear-gradient(102deg, #7fd6a6 0%, #cfc0e0 45%, #e7a6c4 100%);
  --grad-soft: linear-gradient(102deg, #6fcf9b, #e29bbd);

  --r-sm: 8px;
  --r:   12px;
  --r-lg: 18px;
  --r-xl: 26px;

  --max-w:    1120px;
  --max-w-sm:  720px;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;
}

/* -----------------------------------------------
   Reset
   ----------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.5s ease, color 0.5s ease;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { letter-spacing: -0.022em; font-weight: 500; }

::selection { background: rgba(127,214,166,0.35); }

/* -----------------------------------------------
   Nav
   ----------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border-2);
  transition: background-color 0.5s ease, border-color 0.5s ease;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.75rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--text);
  flex-shrink: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--grad);
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(127,214,166,0.4);
}

.nav-side { display: flex; align-items: center; gap: 0.25rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  color: var(--text-mut);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--border-2); }

/* theme toggle */
.theme-toggle {
  width: 38px;
  height: 38px;
  margin-left: 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--border-2); }
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* -----------------------------------------------
   Buttons
   ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-color: var(--btn-bg);
}
.btn-primary:hover { background: var(--btn-bg-h); border-color: var(--btn-bg-h); box-shadow: var(--shadow-sm); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--border-2); }

/* -----------------------------------------------
   Hero — Liquid Pearl canvas
   ----------------------------------------------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--pearl-fallback);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(60% 55% at 50% 48%, var(--hero-scrim) 0%, transparent 75%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 6rem 1.75rem;
  max-width: 880px;
  pointer-events: none;
}
.hero-content a { pointer-events: auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 1.75rem;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px rgba(127,214,166,0.18);
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.25rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 auto 1.5rem;
  max-width: 16ch;
  color: var(--text);
}
.hero-title .grad {
  background: var(--grad-soft);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 auto 2.5rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.scroll-hint {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mut);
  opacity: 0.7;
}

/* -----------------------------------------------
   Sections
   ----------------------------------------------- */
.section { padding: 7rem 1.75rem; }
.section-surface { background: var(--surface); transition: background-color 0.5s ease; }

.container { max-width: var(--max-w); margin: 0 auto; }

.section-head { max-width: 56ch; margin: 0 0 3.5rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mut);
  margin: 0 0 1rem;
}

.section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  color: var(--text);
}

.section-lead {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-mut);
  margin: 0;
}

/* -----------------------------------------------
   Principles
   ----------------------------------------------- */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.principle {
  padding: 2rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface-2);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background-color 0.5s;
}
.principle:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.principle-icon {
  width: 44px; height: 44px;
  border-radius: var(--r);
  background: var(--grad);
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 14px rgba(127,214,166,0.3);
}

.principle h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text);
}
.principle p {
  font-size: 0.9375rem;
  color: var(--text-mut);
  line-height: 1.7;
  margin: 0;
}

/* -----------------------------------------------
   Projects
   ----------------------------------------------- */
.projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.project {
  position: relative;
  border-radius: var(--r-xl);
  padding: 2.25rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s, background-color 0.5s, border-color 0.5s;
}
.project:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.project::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
  opacity: 0.9;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mut);
  margin-bottom: 1.5rem;
}
.project-status .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 4px rgba(74,222,128,0.18);
}

.project-name {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.project-tagline {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-mut);
  margin: 0 0 1.1rem;
}
.project-desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0 0 1.75rem;
  flex-grow: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: gap 0.15s, border-color 0.2s;
}
.project-link:hover { gap: 0.75rem; border-color: var(--text); }

.project.placeholder { justify-content: center; }
.project.placeholder::before { opacity: 0.3; }

/* -----------------------------------------------
   Company facts
   ----------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}

.about-copy p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0 0 1.25rem;
}
.about-copy p:last-child { margin-bottom: 0; }
.about-copy strong { color: var(--text); font-weight: 600; }

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.fact {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.4rem 1.5rem;
  background: var(--surface-2);
  transition: background-color 0.5s, border-color 0.5s;
}
.fact-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mut);
  margin: 0 0 0.5rem;
}
.fact-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  letter-spacing: -0.01em;
}
.fact-sub {
  font-size: 0.8rem;
  color: var(--text-mut);
  margin: 0.25rem 0 0;
}

/* -----------------------------------------------
   Contact
   ----------------------------------------------- */
.contact { text-align: center; max-width: var(--max-w-sm); margin: 0 auto; }
.contact .section-title { margin-bottom: 1rem; }
.contact-lead {
  font-size: 1.0625rem;
  color: var(--text-mut);
  line-height: 1.7;
  margin: 0 auto 2.25rem;
  max-width: 48ch;
}
.contact-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.875rem;
  flex-wrap: wrap;
}

/* -----------------------------------------------
   Footer
   ----------------------------------------------- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border-2);
  padding: 3rem 1.75rem 2rem;
  transition: background-color 0.5s, border-color 0.5s;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-2);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
}
.footer-blurb {
  font-size: 0.875rem;
  color: var(--text-mut);
  margin: 0.9rem 0 0;
  max-width: 38ch;
  line-height: 1.7;
}
.footer-links { display: flex; gap: 3.5rem; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-mut);
  margin: 0 0 0.875rem;
  font-weight: 600;
}
.footer-col a {
  display: block;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.75rem;
  font-size: 0.78rem;
  color: var(--text-mut);
}
.footer-bottom .mono { font-family: var(--mono); }

/* -----------------------------------------------
   Responsive
   ----------------------------------------------- */
@media (max-width: 880px) {
  .principles { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .nav-inner { padding: 0 1.25rem; }
  .nav-links a { display: none; }
  .section { padding: 4.5rem 1.25rem; }
  .hero-content { padding: 5rem 1.25rem; }
  .facts { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; gap: 1.75rem; }
  .footer-links { gap: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
}