/* =========================================================
   Cimarrone — global stylesheet
   Brand: cyan #17EAD9 → violet #6078EA gradient on dark #0C131D
   ========================================================= */

:root {
  color-scheme: light dark;

  /* Brand tokens — identical across themes */
  --c-cyan: #17EAD9;
  --c-violet: #6078EA;
  --c-accent: #31C0DF;
  --c-navy: #0C131D;
  --c-navy-2: #131C2B;
  --c-navy-3: #1B2638;
  --c-light: #E6EEF8;

  /* Theme tokens — light defaults */
  --c-ink: #0C131D;
  --c-ink-2: #2A3447;
  --c-muted: #5B6577;
  --c-line: #E6EAF1;
  --c-line-dark: #25304A;
  --c-surface: #FFFFFF;
  --c-surface-2: #F6F8FC;
  --c-card: #FFFFFF;
  --c-input: #F6F8FC;
  --c-header-bg: rgba(255,255,255,0.85);
  --c-faq-summary: var(--c-ink);
  --shadow-tone: rgba(12,19,29,0.08);
  --shadow-tone-sm: rgba(12,19,29,0.06);
  --shadow-tone-lg: rgba(12,19,29,0.18);
  --gradient-soft-alpha: 0.12;

  --grad-brand: linear-gradient(135deg, var(--c-cyan) 0%, var(--c-violet) 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(23,234,217,0.12) 0%, rgba(96,120,234,0.12) 100%);
  --grad-hero: radial-gradient(1200px 600px at 20% 0%, rgba(23,234,217,0.18), transparent 60%),
               radial-gradient(900px 600px at 90% 30%, rgba(96,120,234,0.22), transparent 60%);

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px var(--shadow-tone-sm);
  --shadow: 0 6px 24px var(--shadow-tone);
  --shadow-lg: 0 20px 50px var(--shadow-tone-lg);

  --maxw: 1180px;
  --gutter: clamp(20px, 4vw, 40px);

  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-body);
}

/* -------- dark theme ---------
   Defined once and applied in two situations:
   1. Explicit user override:   :root[data-theme="dark"]
   2. System preference + no override:   @media (prefers-color-scheme: dark) :root:not([data-theme="light"])
   The explicit override (data-theme="light") always wins via cascade. */

:root[data-theme="dark"] {
  color-scheme: dark;
  --c-ink: #E6EEF8;
  --c-ink-2: #B8C2D6;
  --c-muted: #8893A6;
  --c-line: #25304A;
  --c-surface: #0C131D;
  --c-surface-2: #131C2B;
  --c-card: #131C2B;
  --c-input: #1B2638;
  --c-header-bg: rgba(12,19,29,0.85);
  --c-faq-summary: #E6EEF8;
  --shadow-tone: rgba(0,0,0,0.45);
  --shadow-tone-sm: rgba(0,0,0,0.35);
  --shadow-tone-lg: rgba(0,0,0,0.6);
  --gradient-soft-alpha: 0.18;
  --grad-brand-soft: linear-gradient(135deg, rgba(23,234,217,0.18) 0%, rgba(96,120,234,0.18) 100%);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --c-ink: #E6EEF8;
    --c-ink-2: #B8C2D6;
    --c-muted: #8893A6;
    --c-line: #25304A;
    --c-surface: #0C131D;
    --c-surface-2: #131C2B;
    --c-card: #131C2B;
    --c-input: #1B2638;
    --c-header-bg: rgba(12,19,29,0.85);
    --c-faq-summary: #E6EEF8;
    --shadow-tone: rgba(0,0,0,0.45);
    --shadow-tone-sm: rgba(0,0,0,0.35);
    --shadow-tone-lg: rgba(0,0,0,0.6);
    --gradient-soft-alpha: 0.18;
    --grad-brand-soft: linear-gradient(135deg, rgba(23,234,217,0.18) 0%, rgba(96,120,234,0.18) 100%);
  }
}

/* -------- reset / base -------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-ink);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--c-violet); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--c-ink);
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4.6vw + 0.5rem, 3.6rem); }
h2 { font-size: clamp(1.6rem, 2.4vw + 0.6rem, 2.4rem); }
h3 { font-size: clamp(1.15rem, 0.8vw + 0.9rem, 1.4rem); }
p  { margin: 0 0 1em; color: var(--c-ink-2); }
.lede { font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.25rem); color: var(--c-ink-2); }

/* -------- layout helpers -------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: clamp(56px, 8vw, 96px) 0; }
.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 14px;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--c-violet);
}

/* -------- buttons -------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.97rem;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad-brand);
  color: var(--c-navy);
  box-shadow: 0 6px 20px rgba(96,120,234,0.35);
}
.btn-primary:hover { box-shadow: 0 10px 30px rgba(96,120,234,0.45); }
.btn-ghost {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-line);
}
.btn-ghost:hover { background: var(--c-surface-2); border-color: var(--c-ink-2); }
.btn-outline {
  background: transparent;
  color: var(--c-ink);
  border-color: var(--c-line);
}
.btn-outline:hover { border-color: var(--c-violet); color: var(--c-violet); }

/* -------- header / nav -------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--c-header-bg);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--c-ink);
}
.brand img { height: 44px; width: auto; display: block; }
.brand-text { color: var(--c-ink); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--c-line);
  width: 42px; height: 42px;
  border-radius: 10px;
  padding: 0;
  align-items: center; justify-content: center;
}

.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-actions { display: inline-flex; align-items: center; gap: 8px; }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--c-line);
  width: 42px; height: 42px;
  border-radius: 10px;
  padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--c-ink);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.theme-toggle:hover { border-color: var(--c-violet); color: var(--c-violet); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-light { display: none; }
.theme-toggle .icon-dark  { display: inline-block; }
:root[data-theme="dark"] .theme-toggle .icon-light { display: inline-block; }
:root[data-theme="dark"] .theme-toggle .icon-dark  { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-light { display: inline-block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-dark  { display: none; }
}
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  content: ""; display: block;
  width: 18px; height: 2px; background: var(--c-ink);
  position: relative; transition: transform .2s ease, top .2s ease;
}
.nav-toggle .bars::before { position: absolute; top: -6px; left: 0; }
.nav-toggle .bars::after  { position: absolute; top:  6px; left: 0; }

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--c-ink-2);
  transition: color .15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--c-violet); }
.nav-links .btn { padding: 9px 18px; }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-line);
    padding: 8px var(--gutter) 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--c-line); }
  .nav-links li:last-child { border-bottom: 0; padding-top: 10px; }
  .nav-links a { display: block; padding: 14px 0; font-size: 1rem; }
  .nav-links .btn { padding: 12px 18px; justify-content: center; }
}

/* -------- hero -------- */
.hero {
  position: relative;
  background: var(--c-surface);
  color: var(--c-ink);
  overflow: hidden;
  padding: clamp(72px, 9vw, 130px) 0 clamp(80px, 10vw, 140px);
  border-bottom: 1px solid var(--c-line);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero h1 { color: var(--c-ink); }
.hero .lede { color: var(--c-ink-2); max-width: 36ch; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-visual svg { width: 100%; max-width: 460px; height: auto; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 320px; margin: 0 auto; }
}

.hero-sub-bar {
  position: relative;
  margin-top: clamp(40px, 6vw, 64px);
  padding: 18px 22px;
  border-radius: var(--radius);
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  color: var(--c-muted);
  font-size: 0.92rem;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.hero-sub-bar strong { color: var(--c-ink); font-weight: 600; }

/* -------- section wrappers -------- */
.section-head { max-width: 720px; margin: 0 auto clamp(40px, 5vw, 64px); text-align: center; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--c-muted); }

.bg-soft { background: var(--c-surface-2); }
.bg-dark { background: var(--c-navy); color: var(--c-light); }
.bg-dark h2, .bg-dark h3 { color: #fff; }
.bg-dark p { color: rgba(230,238,248,0.72); }

/* -------- solutions grid (home) -------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
  display: flex; flex-direction: column; gap: 14px;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad-brand-soft);
  display: inline-flex; align-items: center; justify-content: center;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin: 0; }
.card p  { margin: 0; font-size: 0.96rem; color: var(--c-muted); }
.card a.more {
  margin-top: auto; align-self: flex-start;
  font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  color: var(--c-violet);
  display: inline-flex; align-items: center; gap: 6px;
}
.card a.more:hover { color: var(--c-cyan); }

/* -------- value props -------- */
.values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.value h3 { font-size: 1.2rem; margin-bottom: 8px; }
.value .num {
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.6rem;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* -------- FAQ -------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 14px;
  background: var(--c-card);
  transition: border-color .2s ease;
}
.faq details[open] { border-color: var(--c-violet); }
.faq summary {
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--c-faq-summary);
  cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 1.4rem; color: var(--c-violet); transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 12px 0 0; color: var(--c-ink-2); }

/* -------- solutions page sections -------- */
.solution-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(48px, 6vw, 80px) 0;
  border-bottom: 1px solid var(--c-line);
  scroll-margin-top: 90px;
}
.solution-block:last-of-type { border-bottom: 0; }
.solution-block:nth-of-type(even) .solution-text { order: 2; }
@media (max-width: 820px) {
  .solution-block { grid-template-columns: 1fr; }
  .solution-block:nth-of-type(even) .solution-text { order: 0; }
}
.solution-text h2 { margin-bottom: 12px; }
.mode-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 0 0 22px 0;
}
.mode-chips .label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
  align-self: center;
  margin-right: 4px;
}
.mode-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--c-ink-2);
  background: var(--c-card);
}

.hero-sub-bar.with-chips {
  flex-direction: column;
  align-items: flex-start;
}
.hero-sub-bar.with-chips .hero-sub-line {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}

.bullets { list-style: none; margin: 18px 0 24px; padding: 0; }
.bullets li {
  position: relative; padding: 8px 0 8px 28px;
  color: var(--c-ink-2);
}
.bullets li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--grad-brand);
}
.solution-visual {
  background: var(--c-surface-2);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex; justify-content: center; align-items: center;
}
.solution-visual svg { width: 100%; max-width: 360px; height: auto; }

/* -------- about page -------- */
.about-facts {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-sm);
}
.about-facts dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  row-gap: 14px; column-gap: 28px;
  margin: 0;
}
.about-facts dt { font-family: var(--font-display); font-weight: 600; color: var(--c-muted); }
.about-facts dd { margin: 0; color: var(--c-ink); }
@media (max-width: 600px) {
  .about-facts dl { grid-template-columns: 1fr; row-gap: 4px; }
  .about-facts dd { margin-bottom: 10px; }
}

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 28px;
}
.principle {
  border-left: 3px solid;
  border-image: var(--grad-brand) 1;
  padding-left: 18px;
}
.principle h3 { font-size: 1.15rem; margin-bottom: 6px; }
.principle p  { margin: 0; color: var(--c-muted); }

/* -------- contact page -------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.email-card {
  background: var(--grad-brand);
  color: var(--c-navy);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  box-shadow: var(--shadow-lg);
}
.email-card h2 { color: var(--c-navy); margin-bottom: 10px; }
.email-card a.mail {
  display: inline-block;
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  margin: 14px 0 18px;
  word-break: break-all;
  color: var(--c-navy);
  border-bottom: 2px solid rgba(12,19,29,0.35);
  padding-bottom: 4px;
}
.email-card a.mail:hover { border-bottom-color: var(--c-navy); }
.email-card .meta { color: rgba(12,19,29,0.75); font-size: 0.95rem; }

.contact-form {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
}
.contact-form .row { display: grid; gap: 16px; }
.contact-form label { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--c-ink); display: block; margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: var(--c-input);
  color: var(--c-ink);
  transition: border-color .15s ease, background .15s ease;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--c-violet); background: var(--c-card);
}
.contact-form .submit-row { margin-top: 18px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-note { font-size: 0.85rem; color: var(--c-muted); margin: 0; }

/* -------- 404 -------- */
.error-wrap {
  min-height: 70vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 80px var(--gutter);
}
.error-wrap .grad-text { font-family: var(--font-display); font-weight: 800; font-size: clamp(4rem, 14vw, 8rem); line-height: 1; }
.error-wrap p { max-width: 460px; }
.error-wrap .actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }

/* -------- footer -------- */
.site-footer {
  background: var(--c-navy);
  color: var(--c-light);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
  margin-bottom: 36px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(230,238,248,0.55); margin-bottom: 16px;
}
.footer-grid p { color: rgba(230,238,248,0.7); margin: 0; max-width: 36ch; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { color: rgba(230,238,248,0.8); font-size: 0.95rem; }
.footer-grid a:hover { color: var(--c-cyan); }
.footer-brand {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: #fff;
}
.footer-brand img { height: 44px; width: auto; display: block; }
.footer-bar {
  border-top: 1px solid rgba(230,238,248,0.12);
  padding-top: 22px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.86rem; color: rgba(230,238,248,0.55);
}

/* -------- accessibility helper -------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}