/* StoneLink LLC — site styles.
   Glassmorphic UI floating over a live WebGL gradient mesh.
   Ported from the design handoff and adapted to the Flask templates. */

:root {
  --accent: #bcd6ea;                       /* ice — links, focus rings, dot, primary-btn glow */
  --ink: #f7f5fb;
  --ink-soft: rgba(247, 245, 251, 0.72);
  --ink-faint: rgba(247, 245, 251, 0.5);
  --glass: rgba(12, 9, 24, 0.42);
  --glass-strong: rgba(10, 8, 20, 0.6);
  --hair: rgba(255, 255, 255, 0.12);
  --hair-strong: rgba(255, 255, 255, 0.2);
  --blur: 22px;
  --maxw: 1180px;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
  --sans: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: #080b12;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------------- live background ---------------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}
/* readability scrims top + bottom */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 4, 14, 0.42) 0%, rgba(6, 4, 14, 0) 20%),
    linear-gradient(0deg, rgba(6, 4, 14, 0.6) 0%, rgba(6, 4, 14, 0) 26%);
}

.page { position: relative; z-index: 2; }

.wrap,
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}
/* hero/section share the .wrap class but their own padding shorthand
   resets the horizontal padding to 0 — restore it with a higher-specificity
   rule so their text never runs to the screen edge */
.hero.wrap,
.section.wrap {
  padding-left: 28px;
  padding-right: 28px;
}

/* click pulse */
.click-pulse {
  position: fixed;
  z-index: 60;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  pointer-events: none;
  animation: pulse 620ms var(--ease) forwards;
}
@keyframes pulse {
  from { transform: scale(0.4); opacity: 0.8; }
  to { transform: scale(7); opacity: 0; }
}

/* ---------------- nav ---------------- */
.nav,
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled,
.site-header.scrolled {
  background: rgba(8, 6, 16, 0.38);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hair);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 13px;
  padding-right: 2px;
  margin-left: 1px;
  text-decoration: none;
  color: var(--ink);
}
.brand .mark {
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1;
  letter-spacing: 0.01em;
}
.brand .mark em { font-style: italic; color: var(--accent); }
.brand .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); }
.nav-links a.btn:hover { color: var(--ink); }

/* ---------------- buttons ---------------- */
.btn {
  --bw: 1px;
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: 999px;
  border: var(--bw) solid var(--hair-strong);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.btn .arrow { transition: transform 0.25s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  background: rgba(247, 245, 251, 0.94);
  color: #15102a;
  border-color: transparent;
}
.btn-primary:hover {
  background: #fff;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.4),
    0 0 0 4px color-mix(in oklab, var(--accent) 30%, transparent);
}
.btn-block { width: 100%; justify-content: center; }
/* legacy aliases */
.btn-outline { background: var(--glass); }
.btn-white { background: rgba(247, 245, 251, 0.94); color: #15102a; border-color: transparent; }

/* ---------------- hero ---------------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 0 90px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
  margin: 0 0 30px;
}
.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
  animation: breathe 3.5s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(58px, 11vw, 168px);
  line-height: 0.94;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 14ch;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.35);
}
.hero h1 em { font-style: italic; color: var(--accent); }
.hero-sub {
  margin: 34px 0 0;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 46ch;
  font-weight: 400;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 42px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 56px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 9px; }
.hero-meta span::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.8;
}

.scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-hint .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(var(--ink-faint), transparent);
  animation: drop 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes drop {
  0%, 100% { transform: scaleY(0.4); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ---------------- sections ---------------- */
.section { padding: 96px 0; position: relative; }
.section-head { margin-bottom: 54px; max-width: 720px; }
.section-head .eyebrow { margin-bottom: 20px; }
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1;
  letter-spacing: -0.01em;
  margin: 0;
}
.section-head h2 em { font-style: italic; color: var(--accent); }
.section-head p {
  margin: 22px 0 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 52ch;
}

/* glass card base */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(125%);
  backdrop-filter: blur(var(--blur)) saturate(125%);
  border: 1px solid var(--hair);
  border-radius: 20px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.14) inset,
    0 24px 60px rgba(0, 0, 0, 0.34);
}

/* services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.svc {
  padding: 34px 30px 36px;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.svc:hover {
  transform: translateY(-6px);
  border-color: var(--hair-strong);
}
.svc .idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.svc .ico {
  margin: 22px 0 26px;
  width: 46px;
  height: 46px;
  color: var(--ink);
  opacity: 0.92;
}
.svc h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 32px;
  line-height: 1.05;
  margin: 0 0 14px;
}
.svc p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ink-soft);
}
.svc .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 26px;
}
.tag-chip {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------------- contact ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 22px;
}
.contact-aside {
  padding: 40px 38px;
  display: flex;
  flex-direction: column;
}
.contact-aside h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.contact-aside h2 em { font-style: italic; color: var(--accent); }
.contact-aside p {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 34px;
  max-width: 38ch;
}
.contact-info {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-info .row { display: flex; flex-direction: column; gap: 5px; }
.contact-info .k {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.contact-info .v {
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
}
.contact-info a.v:hover { color: var(--accent); }

/* form */
.contact-form {
  padding: 40px 38px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label,
.contact-form label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input,
.field textarea,
.contact-form .form-control {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 14px 15px;
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  resize: vertical;
  width: 100%;
}
.field textarea,
.contact-form textarea.form-control { min-height: 118px; }
.field input::placeholder,
.field textarea::placeholder,
.contact-form .form-control::placeholder { color: rgba(247, 245, 251, 0.32); }
.field input:focus,
.field textarea:focus,
.contact-form .form-control:focus {
  border-color: color-mix(in oklab, var(--accent) 60%, transparent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 16%, transparent);
}
.field.error input,
.field.error textarea {
  border-color: #ff8a8a;
  box-shadow: 0 0 0 4px rgba(255, 138, 138, 0.14);
}
.field .err-msg {
  display: none;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: #ffb0b0;
}
.field.error .err-msg { display: block; }

.submit-btn {
  margin-top: 6px;
  justify-content: center;
  width: 100%;
}
.submit-btn:disabled { opacity: 0.7; cursor: default; transform: none; }

.form-status {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 40px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--glass-strong);
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.98);
  transition: opacity 0.4s, transform 0.4s;
}
.form-status::before {
  content: "✦";
  font-size: 34px;
  color: var(--accent);
}
.form-status.show { opacity: 1; pointer-events: auto; transform: scale(1); }
.form-status.error-state::before { content: "!"; color: #ffb0b0; }

/* ---------------- footer ---------------- */
.footer,
.site-footer {
  position: relative;
  z-index: 2;
  padding: 60px 0 48px;
  margin-top: 40px;
  border-top: 1px solid var(--hair);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
}
.footer .brand .mark { font-size: 24px; }
.footer-copy {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  line-height: 1.8;
  text-transform: uppercase;
  margin: 14px 0 0;
}
.footer-links {
  display: flex;
  gap: 22px;
}
.footer-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}
.footer-links a:hover { color: var(--accent); }

/* reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 0.08s; }
[data-reveal][data-delay="2"] { transition-delay: 0.16s; }
[data-reveal][data-delay="3"] { transition-delay: 0.24s; }

/* ---------------- flash messages ---------------- */
.flash-container {
  position: relative;
  z-index: 30;
  padding-top: 96px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.flash {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--hair);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--ink);
}
.flash-success { border-color: color-mix(in oklab, var(--accent) 50%, transparent); }
.flash-error { border-color: rgba(255, 138, 138, 0.5); color: #ffd2d2; }

/* ---------------- legacy interior pages (about / services / contact) ----------------
   These pages still use the original markup; give them a clean dark baseline. */
main { position: relative; z-index: 2; }
.section-header { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: inline-block;
  margin-bottom: 18px;
}
.section-header h1,
.section-header h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.section-header p { color: var(--ink-soft); font-size: 18px; line-height: 1.6; margin: 0 auto; max-width: 52ch; }
.section-header .accent, .accent { color: var(--accent); }
.divider {
  width: 60px; height: 2px; margin: 28px auto 0;
  background: var(--accent); opacity: 0.7; border-radius: 2px;
}
.service-card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(125%);
  backdrop-filter: blur(var(--blur)) saturate(125%);
  border: 1px solid var(--hair);
  border-radius: 20px;
  padding: 34px 30px;
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.service-card:hover { transform: translateY(-6px); border-color: var(--hair-strong); }
.service-icon { font-size: 30px; margin-bottom: 16px; }
.service-card h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; margin: 0 0 12px; }
.service-card p { color: var(--ink-soft); line-height: 1.62; margin: 0; font-size: 15.5px; }
.section-bg { background: rgba(255, 255, 255, 0.015); }
.cta-banner {
  text-align: center;
  padding: 60px 40px;
  border-radius: 24px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(125%);
  backdrop-filter: blur(var(--blur)) saturate(125%);
  border: 1px solid var(--hair);
}
.cta-banner h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 5vw, 56px); margin: 0 0 14px; }
.cta-banner p { color: var(--ink-soft); margin: 0 0 28px; }
.section-sm { padding: 60px 0; }
/* legacy contact page */
.contact-hero { padding: 140px 0 20px; text-align: center; }
.contact-hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 7vw, 84px); margin: 0 0 14px; }
.contact-hero p { color: var(--ink-soft); max-width: 52ch; margin: 0 auto; }
.contact-layout { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 22px; align-items: start; }
.contact-info h2 { font-family: var(--serif); font-weight: 400; font-size: 36px; margin: 0 0 14px; }
.contact-methods { display: flex; flex-direction: column; gap: 18px; margin: 26px 0; }
.contact-method { display: flex; gap: 14px; align-items: flex-start; }
.contact-method-icon { font-size: 20px; }
.contact-method-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px; }
.contact-method-value a { color: var(--ink); text-decoration: none; }
.contact-method-value a:hover { color: var(--accent); }
.response-note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--ink-soft); }
.contact-form-card {
  background: var(--glass); border: 1px solid var(--hair); border-radius: 20px;
  padding: 40px 38px;
  -webkit-backdrop-filter: blur(var(--blur)) saturate(125%);
  backdrop-filter: blur(var(--blur)) saturate(125%);
}
.contact-form-card h3 { font-family: var(--serif); font-weight: 400; font-size: 28px; margin: 0 0 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.form-group label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); }
.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--sans); font-size: 16px; color: var(--ink);
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--hair);
  border-radius: 12px; padding: 14px 15px; outline: none; width: 100%;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: color-mix(in oklab, var(--accent) 60%, transparent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 16%, transparent);
}
.form-group select option { color: #15102a; }
.form-submit { width: 100%; justify-content: center; margin-top: 6px; }
.form-error { font-family: var(--mono); font-size: 10.5px; color: #ffb0b0; }

/* ---------------- responsive ---------------- */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr; }
  .svc { min-height: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .nav-links .nav-only { display: none; }
}
@media (max-width: 560px) {
  .wrap, .container { padding: 0 30px; }
  .hero.wrap, .section.wrap { padding-left: 30px; padding-right: 30px; }
  .nav, .site-header { padding: 14px 30px; }
  .hero { padding: 120px 0 80px; }
  .hero-meta { gap: 8px 18px; }
  .scroll-hint { display: none; }
  .form-row { grid-template-columns: 1fr; }

  /* keep oversized display type from running into the screen edge */
  .hero h1 { font-size: clamp(40px, 12vw, 64px); }
  .hero-cta { font-size: clamp(32px, 9vw, 52px); }
  .section-head h2,
  .section-header h2 { font-size: clamp(32px, 8vw, 48px); }
  .contact-hero h1 { font-size: clamp(36px, 10vw, 60px); }
  .section { padding: 64px 0; }
  .card, .svc, .service-card, .contact-form-card, .panel { padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 360px) {
  .wrap, .container { padding: 0 24px; }
  .hero.wrap, .section.wrap { padding-left: 24px; padding-right: 24px; }
  .nav, .site-header { padding: 14px 24px; }
  .hero h1 { font-size: clamp(36px, 11vw, 52px); }
}

@media (prefers-reduced-motion: reduce) {
  .eyebrow .dot, .scroll-hint .line { animation: none; }
  [data-reveal] { transition-duration: 0.3s; }
}