/* Taotus — plain CSS, no build step */

:root {
  color-scheme: light dark;
  --brand: #173e35;
  --on-brand: #f5e9d7;
  --green-700: #274d3e;
  --green-500: #56664c;
  --clay: #a85e41;
  --surface: #f5e9d7;
  --paper: #faf5ea;
  --sand: #e8dcc3;
  --ink: #1b2b25;
  --muted: #5d6a62;
  --line: rgba(39, 77, 62, 0.22);
  --approach-bg: #173e35;
  --approach-ink: #f5e9d7;
  --approach-accent: #d9a98f;
  --art-route: #274d3e;
  --art-glow: 1;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --gutter: clamp(20px, 5vw, 64px);
  --max: 1200px;
}

/* Dark theme: follows the OS unless the visitor picked a theme with the toggle. */
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --brand: #e8dcc3;
    --on-brand: #0f1f1a;
    --green-700: #8fb3a3;
    --green-500: #9db08f;
    --clay: #de8a67;
    --surface: #17302a;
    --paper: #0f1f1a;
    --sand: #223d35;
    --ink: #efe6d6;
    --muted: #a6b3aa;
    --line: rgba(245, 233, 215, 0.18);
    --approach-bg: #0a1511;
    --art-route: #8fb3a3;
    --art-glow: 0.15;
  }
}
:root[data-theme="dark"] {
  --brand: #e8dcc3;
  --on-brand: #0f1f1a;
  --green-700: #8fb3a3;
  --green-500: #9db08f;
  --clay: #de8a67;
  --surface: #17302a;
  --paper: #0f1f1a;
  --sand: #223d35;
  --ink: #efe6d6;
  --muted: #a6b3aa;
  --line: rgba(245, 233, 215, 0.18);
  --approach-bg: #0a1511;
  --art-route: #8fb3a3;
  --art-glow: 0.15;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.05; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(3.4rem, 9vw, 7rem); }
h1 em { color: var(--clay); font-style: italic; }
h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
p { margin: 0 0 1em; }
a { color: inherit; }
small { font-size: 0.85em; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.section-space { padding-block: clamp(64px, 10vw, 128px); }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--brand); color: var(--on-brand); padding: 10px 16px; border-radius: 6px;
}
.skip-link:focus { top: 12px; }

.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font: 600 0.75rem/1 var(--sans); letter-spacing: 0.16em; color: var(--clay); margin: 0 0 24px;
}
.small-line { display: inline-block; width: 32px; height: 1px; background: currentColor; }

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px var(--gutter);
  background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
  font: 600 1.5rem/1 var(--sans); letter-spacing: -0.02em; color: var(--brand);
}
.wordmark svg { width: 30px; height: 30px; fill: none; stroke: var(--brand); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
.wordmark-period { color: var(--clay); }
.desktop-nav { display: flex; gap: 32px; margin-left: auto; }
.desktop-nav a, .mobile-nav a { text-decoration: none; font-size: 0.95rem; }
.desktop-nav a:hover { color: var(--clay); }
.nav-cta {
  text-decoration: none; font-size: 0.95rem; font-weight: 600;
  background: var(--brand); color: var(--on-brand); padding: 10px 18px; border-radius: 999px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--clay); }
.theme-toggle {
  display: grid; place-items: center; width: 40px; height: 40px; flex: none;
  background: none; border: 1px solid var(--line); border-radius: 50%; cursor: pointer; color: var(--brand);
}
.theme-toggle:hover { border-color: var(--brand); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
.menu-button { display: none; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; position: relative; }
.menu-button span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--brand); transition: transform 0.2s; }
.menu-button span:first-child { top: 17px; }
.menu-button span:last-child { top: 25px; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
.mobile-nav {
  position: absolute; left: 0; right: 0; top: 100%;
  display: flex; flex-direction: column; background: var(--paper);
  border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 20px;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.1rem; }

@media (max-width: 820px) {
  .desktop-nav, .nav-cta { display: none; }
  .theme-toggle { margin-left: auto; }
  .menu-button { display: block; }
}

/* Buttons & links */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 28px; border-radius: 999px; border: 1px solid var(--brand);
  font-weight: 600; text-decoration: none; cursor: pointer; transition: background 0.2s, color 0.2s;
}
.button.primary { background: var(--brand); color: var(--on-brand); }
.button.primary:hover { background: var(--clay); border-color: var(--clay); }
.button.secondary { background: transparent; color: var(--brand); }
.button.secondary:hover { background: var(--brand); color: var(--on-brand); }
.text-link { display: inline-flex; gap: 8px; font-weight: 600; color: var(--brand); text-decoration-color: var(--clay); text-underline-offset: 5px; }
.text-link:hover { color: var(--clay); }
.plain-button { background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }

/* Hero */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 72px);
  align-items: center; padding-block: clamp(40px, 7vw, 96px);
}
.hero-description { max-width: 28em; margin: 28px 0 32px; font-size: 1.15rem; color: var(--muted); }
.hero-bottom { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 48px; font-size: 0.9rem; color: var(--muted); }
.hero-bottom i { font-style: normal; color: var(--clay); }
.hero-art {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 18px 20px; overflow: hidden;
}
.art-top, .art-bottom {
  display: flex; justify-content: space-between; gap: 12px;
  font: 600 0.68rem/1.2 var(--sans); letter-spacing: 0.14em; color: var(--green-700);
}
.handoff-art { display: block; width: 100%; height: auto; margin-block: 8px; }
.handoff-art path[stroke="#274d3e"] { stroke: var(--art-route); }
.handoff-art circle[r="248"] { opacity: var(--art-glow); }
.handoff-art circle[fill="#274d3e"] { fill: var(--art-route); }
.art-label { display: inline-flex; align-items: center; gap: 8px; }
.art-label i { width: 8px; height: 8px; border-radius: 50%; background: var(--clay); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
}

.intro-bar {
  display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 32px; align-items: center;
  padding-block: 32px; border-block: 1px solid var(--line);
}
.intro-bar p { margin: 0; }
.intro-bar > p:first-child { font-family: var(--serif); font-size: 1.5rem; line-height: 1.2; }
.intro-bar > a {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--brand); text-decoration: none; font-size: 1.2rem;
}
.intro-bar > a:hover { background: var(--brand); color: var(--on-brand); }
@media (max-width: 820px) { .intro-bar { grid-template-columns: 1fr; gap: 16px; } }

/* Section headings */
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 32px; margin-bottom: 40px; flex-wrap: wrap; }
.section-heading .eyebrow { margin-bottom: 20px; }
.section-heading > p { margin: 0; color: var(--muted); max-width: 22em; }

/* Service tabs */
.service-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.service-tabs button {
  display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; text-align: left;
  padding: 20px; background: transparent; border: 1px solid var(--line); border-radius: 14px; cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.service-tabs button:hover { border-color: var(--green-700); }
.service-tabs button[aria-selected="true"] { background: var(--brand); color: var(--on-brand); border-color: var(--brand); }
.service-tabs strong { display: block; font: 400 1.6rem/1.1 var(--serif); }
.service-tabs small { display: block; margin-top: 4px; opacity: 0.8; }
.tab-number { font: 600 0.75rem var(--sans); letter-spacing: 0.1em; opacity: 0.7; }
@media (max-width: 820px) { .service-tabs { grid-template-columns: 1fr; } }

.service-panel {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(24px, 5vw, 64px);
  margin-top: 12px; padding: clamp(24px, 4vw, 48px);
  background: var(--surface); border-radius: 20px;
}
.service-tag { font: 600 0.72rem/1 var(--sans); letter-spacing: 0.16em; color: var(--clay); margin-bottom: 20px; }
.service-detail p { color: var(--muted); margin-block: 20px 28px; }
.service-route { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 24px; align-self: start; }
.route-header { display: flex; justify-content: space-between; font: 600 0.7rem/1 var(--sans); letter-spacing: 0.14em; color: var(--green-700); margin-bottom: 18px; }
.service-route ol { list-style: none; margin: 0; padding: 0; }
.service-route li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.service-route li > span { font: 600 0.75rem var(--sans); color: var(--clay); padding-top: 4px; }
.service-route li strong { display: block; font-weight: 600; }
.service-route li small { color: var(--muted); }
.service-route li.handoff strong { color: var(--clay); }
.route-note { display: flex; gap: 10px; align-items: center; margin-top: 8px; padding-top: 16px; border-top: 1px dashed var(--clay); font-size: 0.9rem; }
.route-note svg { flex: none; width: 18px; height: 18px; fill: none; stroke: var(--clay); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 820px) { .service-panel { grid-template-columns: 1fr; } }

.scope-strip { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; font-size: 0.9rem; color: var(--muted); }

/* Approach */
.approach { background: var(--approach-bg); color: var(--approach-ink); }
.approach .eyebrow { color: var(--approach-accent); }
.approach-top { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 48px; align-items: end; margin-bottom: 56px; }
.approach-top .eyebrow { grid-column: 1 / -1; margin-bottom: 0; }
.approach-top > p:last-child { margin: 0; color: rgba(245, 233, 215, 0.75); }
.approach-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(245, 233, 215, 0.2); border: 1px solid rgba(245, 233, 215, 0.2); }
.approach-grid article { background: var(--approach-bg); padding: 32px 28px 36px; }
.approach-number { display: block; margin-bottom: 40px; font: 600 0.72rem/1 var(--sans); letter-spacing: 0.16em; color: var(--approach-accent); }
.approach-grid p { margin: 20px 0 0; color: rgba(245, 233, 215, 0.75); }
.approach-foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; font: 600 0.72rem/1.4 var(--sans); letter-spacing: 0.12em; color: rgba(245, 233, 215, 0.7); }
.approach-foot i { font-style: normal; color: var(--approach-accent); margin-inline: 4px; }
@media (max-width: 820px) {
  .approach-top, .approach-grid { grid-template-columns: 1fr; }
}

/* RFQ */
.rfq-section { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.rfq-intro > p { color: var(--muted); margin-top: 20px; }
.whatsapp-button { margin-top: 24px; }
.brief-note, .preview-note { display: flex; gap: 14px; margin-top: 24px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.brief-note > span { color: var(--clay); font-size: 1.3rem; line-height: 1; }
.brief-note p, .preview-note p { margin: 0; font-size: 0.9rem; color: var(--muted); }
.preview-note { background: var(--surface); }
.status-dot { flex: none; width: 10px; height: 10px; margin-top: 7px; border-radius: 50%; background: var(--clay); display: inline-block; }

.rfq-form { background: var(--surface); border-radius: 20px; padding: clamp(24px, 4vw, 44px); }
.form-heading { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 24px; font: 600 0.7rem/1.2 var(--sans); letter-spacing: 0.14em; color: var(--green-700); }
.rfq-form label { display: block; margin: 18px 0 6px; font-size: 0.85rem; font-weight: 600; }
.rfq-form input, .rfq-form select, .rfq-form textarea {
  width: 100%; padding: 12px 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
}
.rfq-form textarea { resize: vertical; min-height: 96px; }
.rfq-form input:focus, .rfq-form select:focus, .rfq-form textarea:focus { outline: 2px solid var(--green-700); outline-offset: 0; border-color: var(--green-700); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-divider { height: 1px; background: var(--line); margin-top: 28px; }
.field-hint, .data-note, .under-button { margin: 8px 0 0; font-size: 0.82rem; color: var(--muted); }
.rfq-form .button { margin-top: 24px; width: 100%; }
.under-button { text-align: center; }
@media (max-width: 900px) { .rfq-section { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }

/* FAQ */
.faq-section { display: grid; grid-template-columns: 1fr 1.5fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.faq-section .text-link { margin-top: 28px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary {
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 22px 0; cursor: pointer; list-style: none; font: 400 1.3rem/1.25 var(--serif);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--clay); font: 300 1.6rem/1 var(--sans); transition: transform 0.2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding-bottom: 22px; margin: 0; color: var(--muted); max-width: 40em; }
@media (max-width: 820px) { .faq-section { grid-template-columns: 1fr; } }

/* Closing + footer */
.closing { text-align: center; padding-block: clamp(64px, 10vw, 120px); }
.closing p { font: 600 0.75rem/1 var(--sans); letter-spacing: 0.16em; color: var(--clay); }
.closing a { font: 400 clamp(2.2rem, 6vw, 4.5rem)/1.05 var(--serif); text-decoration: none; color: var(--brand); }
.closing a:hover { color: var(--clay); }
.closing a span { margin-left: 0.2em; color: var(--clay); }

.footer {
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center;
  padding-block: 32px; border-top: 1px solid var(--line); font-size: 0.9rem;
}
.footer > div:nth-child(2) { display: flex; flex-direction: column; }
.footer > div:nth-child(2) span { color: var(--muted); }
/* Partner band: the logo sits on a light card so it stays legible in dark mode. */
.partner {
  display: flex; align-items: center; flex-wrap: wrap; gap: 14px 28px;
  padding-block: 32px; border-top: 1px solid var(--line);
}
.partner-label { font: 600 0.72rem/1 var(--sans); letter-spacing: 0.16em; color: var(--clay); }
.partner-logo {
  display: inline-flex; align-items: center; padding: 10px 20px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  transition: box-shadow 0.2s;
}
.partner-logo:hover { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); }
.partner-logo picture { display: flex; }
.partner-logo img { display: block; height: 48px; width: auto; }

.partner-note a, .under-button a { color: var(--brand); text-decoration-color: var(--clay); text-underline-offset: 3px; }
.partner-note a:hover, .under-button a:hover { color: var(--clay); }
.footer-right { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.footer-right a { text-decoration: none; }
.wa-link { display: inline-flex; align-items: center; gap: 6px; }
.wa-icon { width: 1em; height: 1em; fill: #25d366; flex: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .wa-icon { fill: #fff; } }
:root[data-theme="dark"] .wa-icon { fill: #fff; }
@media (max-width: 820px) { .footer { grid-template-columns: 1fr; } }

/* Legal pages (terms) */
.legal { padding-block: clamp(40px, 7vw, 96px); max-width: 760px; margin-inline: 0; }
.legal h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 8px; }
.legal .updated { color: var(--muted); margin-bottom: 40px; }
.legal h2 { font-size: 1.5rem; margin: 36px 0 8px; }
.legal p { color: var(--muted); max-width: 40em; }
.legal-foot { padding-block: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
.legal-foot a { color: inherit; }

/* Dialogs */
dialog {
  width: min(640px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto;
  padding: clamp(24px, 4vw, 40px); border: 0; border-radius: 20px; background: var(--paper); color: var(--ink);
}
dialog::backdrop { background: rgba(23, 62, 53, 0.6); backdrop-filter: blur(3px); }
.dialog-top { display: flex; justify-content: space-between; align-items: start; }
.dialog-top .eyebrow { margin-bottom: 16px; }
.close-dialog { background: none; border: 0; font-size: 1.8rem; line-height: 1; cursor: pointer; padding: 0 4px; }
.dialog-lead { color: var(--muted); margin-top: 12px; }
.not-sent { display: flex; gap: 10px; align-items: center; margin: 16px 0; padding: 12px 14px; background: var(--surface); border-radius: 10px; font-size: 0.9rem; }
.not-sent .status-dot { margin-top: 0; }
.not-sent[data-state="sent"] .status-dot { background: #3f9b6a; }
.not-sent[data-state="error"] { border: 1px solid var(--clay); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
#rfq-output {
  margin: 0 0 20px; padding: 16px; max-height: 40vh; overflow: auto; white-space: pre-wrap; word-break: break-word;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; font: 0.85rem/1.55 ui-monospace, Consolas, monospace;
}
.dialog-actions { display: flex; gap: 12px; flex-wrap: wrap; }
#copy-status { min-height: 1.6em; margin: 12px 0 0; font-size: 0.9rem; color: var(--green-700); }
.edit-brief { margin-top: 8px; }
#privacy-dialog p { color: var(--muted); }
#privacy-dialog h2 { margin-bottom: 16px; }

.noscript-note { padding: 16px var(--gutter); background: var(--surface); border-top: 1px solid var(--line); }