/* Aestus — Design System for the-website */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=DM+Sans:wght@400;500;600&family=DM+Mono:wght@400;500&display=swap');

/* ── Tokens ───────────────────────────────────────────────────────────────── */

:root {
  /* color: core */
  --charcoal:     #1C1D21;
  --charcoal-900: #101114;
  --charcoal-850: #17191D;
  --surface:      #22232A;
  --surface-hi:   #2C2D32;
  --border:       #35363D;
  --text:         #F1F0F0;
  --text-muted:   #9B9CA3;
  --text-dim:     #5A5B61;
  --muted:        #7A7B85;

  /* color: brand */
  --accent:       #FF4F12;
  --accent-disp:  #F73819;
  --accent-hov:   #E5430A;
  --heat:         #FF7A45;
  --gold:         #F3BD5B;

  /* color: semantic */
  --green:        #5ADB7A;
  --ok:           #2D9B5A;
  --ok-bright:    #4ADE80;
  --warn:         #D97706;
  --warn-bright:  #FCD34D;
  --err:          #DC2626;
  --err-bright:   #F87171;
  --info:         #3B82F6;
  --info-bright:  #93C5FD;

  /* typography */
  --font-display: 'Barlow Condensed', 'DDC Hardware', sans-serif;
  --font-body:    'DM Sans', 'Roobert', system-ui, sans-serif;
  --font-mono:    'DM Mono', 'Roobert Mono', 'JetBrains Mono', monospace;

  /* spacing: 4px base */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* radius */
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 6px;

  /* motion */
  --motion-micro:  80ms ease-out;
  --motion-short: 150ms ease-out;
  --motion-medium: 250ms ease-in-out;

  /* layout */
  --sidebar-width: 200px;
  --content-max:  1200px;
}

/* ── Reset & Base ─────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: dark; }

body {
  background: var(--charcoal);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hov); text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Header / Nav ─────────────────────────────────────────────────────────── */

.site-header,
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--charcoal);
  z-index: 100;
}

.site-logo-link,
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo-img,
.nav-logo img {
  height: 28px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--motion-micro);
  padding: 11px 0;
  display: inline-flex;
  align-items: center;
}

.nav-links a:hover { color: var(--text); }

.nav-login {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted) !important;
  padding: 7px 18px;
  border-radius: var(--r-md);
  transition: border-color var(--motion-micro), color var(--motion-micro) !important;
}

.nav-login:hover {
  border-color: var(--text-muted);
  color: var(--text) !important;
}

/* ── Hero ──────────────────────────────────────────────────────────────────── */

.hero {
  padding: 100px 48px 80px;
  max-width: 900px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
  text-transform: none;
}

.hero h1 em {
  color: var(--accent-disp);
  font-style: normal;
}

.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 28px;
  min-height: 48px;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--motion-short);
}

.btn-primary:hover { background: var(--accent-hov); color: #fff; text-decoration: none; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  border: 1px solid var(--accent);
  background: transparent;
  border-radius: var(--r-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 11px 26px;
  cursor: pointer;
  text-decoration: none;
  min-height: 48px;
  transition: background var(--motion-short), color var(--motion-short);
}

.btn-secondary:hover { background: var(--accent); color: #fff; text-decoration: none; }

/* ── Cards ────────────────────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 28px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Forms ────────────────────────────────────────────────────────────────── */

.quote-form { display: flex; flex-direction: column; gap: 20px; }

.form-row { display: flex; flex-direction: column; gap: 6px; }

.form-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: var(--font-mono);
}

input[type="text"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: rgba(15, 16, 19, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--motion-short);
}

input:focus, select:focus, textarea:focus { border-color: var(--accent); }

select option { background: var(--charcoal-900); }

textarea { min-height: 120px; resize: vertical; }

.field-hint {
  font-size: 12px;
  color: var(--muted);
}

/* File drop */
.drop-zone,
.file-drop {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--r-lg);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--motion-short), background var(--motion-short);
  margin-bottom: 24px;
}

.drop-zone:hover,
.drop-zone.dragging,
.file-drop:hover {
  border-color: var(--accent);
  background: rgba(255, 79, 18, 0.04);
}

.drop-zone input[type="file"],
.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
}

.drop-zone-icon {
  margin-bottom: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
}

.drop-zone p,
.file-drop-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.drop-hint {
  font-size: 11px;
  color: var(--border);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.link-text { color: var(--accent); }

.file-name,
.file-drop-name {
  display: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-top: 8px;
}

/* ── Quote panel ──────────────────────────────────────────────────────────── */

#quote-panel {
  display: none;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#quote-panel.open { display: block; }

.quote-inner {
  max-width: 720px;
  padding: 40px 48px;
}

.quote-submit {
  width: 100%;
  padding: 16px;
  font-size: 17px;
}

/* ── 3D preview ───────────────────────────────────────────────────────────── */

#preview-container {
  display: none;
  width: 100%;
  height: 280px;
  background: var(--charcoal-900);
  border-radius: var(--r-lg);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

#preview-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.preview-label {
  position: absolute;
  top: 10px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  pointer-events: none;
}

/* ── Alloy pills ──────────────────────────────────────────────────────────── */

.alloy-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.alloy-pills {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.alloy-pill {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color var(--motion-micro), color var(--motion-micro), background var(--motion-micro);
}

.alloy-pill:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.alloy-pill.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 79, 18, 0.08);
}

/* ── Trust bar ────────────────────────────────────────────────────────────── */

.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 48px;
  margin: 48px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  text-align: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.trust-icon { color: var(--accent); font-size: 10px; }

/* ── Sections (generic) ───────────────────────────────────────────────────── */

.section {
  padding: 80px 48px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

/* ── Features grid ────────────────────────────────────────────────────────── */

.features-section { text-align: center; }

.features-section .section-title {
  margin-left: auto;
  margin-right: auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px;
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--surface);
  padding: 32px;
  border: 1px solid transparent;
  text-align: center;
  transition: border-color var(--motion-short), background var(--motion-short);
}

.feature-card:hover {
  background: var(--surface-hi);
  border-color: var(--border);
}

.feature-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 28ch;
}

/* ── How it works (steps) ────────────────────────────────────────────────── */

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  max-width: 720px;
}

.step-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.step-row:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  padding-top: 4px;
}

.step-content h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── CTA band ─────────────────────────────────────────────────────────────── */

.cta-band {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
}

/* ── Tags ─────────────────────────────────────────────────────────────────── */

.aestus-tag {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.aestus-tag-ok   { color: var(--ok-bright);   background: rgba(45,155,90,.15);  border-color: rgba(45,155,90,.35); }
.aestus-tag-warn { color: var(--warn-bright);  background: rgba(217,119,6,.15);  border-color: rgba(217,119,6,.35); }
.aestus-tag-err  { color: var(--err-bright);   background: rgba(220,38,38,.15);  border-color: rgba(220,38,38,.35); }
.aestus-tag-info { color: var(--info-bright);  background: rgba(59,130,246,.15); border-color: rgba(59,130,246,.35); }

/* ── Quote result ─────────────────────────────────────────────────────────── */

.quote-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.quote-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  color: var(--text);
  margin-bottom: 4px;
}

.quote-meta { color: var(--muted); font-family: var(--font-mono); font-size: 13px; }

.quote-uuid-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

/* BOM table */
.bom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.bom-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding: 0 12px 12px;
  border-bottom: 1px solid var(--border);
}

.bom-table th.num-col,
.bom-table td.num-col {
  text-align: right;
}

.bom-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 14px;
}

.bom-table tr:last-child td { border-bottom: none; }

.total-row td {
  font-size: 16px;
  padding-top: 16px;
}

.savings-line {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

/* Detail grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.detail-item { display: flex; flex-direction: column; gap: 4px; }
.detail-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-family: var(--font-mono); }
.detail-value { font-family: var(--font-mono); font-size: 14px; }

/* DFM flags */
.dfm-flags { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.dfm-flag-item {
  background: #2a1a10;
  border: 1px solid #6a3520;
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 13px;
}

/* LOI */
.loi-card { border-top: 2px solid var(--accent); }

.loi-form {
  display: flex;
  gap: 12px;
  margin: 16px 0 8px;
  align-items: flex-end;
}

.loi-name-input { flex: 1; }

.loi-signed {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.loi-check {
  font-size: 24px;
  color: var(--green);
  flex-shrink: 0;
}

/* Centered card (lane2, loi_confirmed) */
.centered-card {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 40px;
}

.lane2-icon, .loi-confirm-icon {
  font-size: 40px;
  margin-bottom: 20px;
}

.loi-confirm-icon { color: var(--green); }

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 16px;
}

.centered-card p { color: var(--muted); margin-bottom: 12px; }
.centered-card a { margin-top: 8px; }
.centered-card strong { color: var(--text); }

/* LOI summary */
.loi-summary-box {
  background: rgba(15, 16, 19, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 20px;
  margin: 20px 0;
  text-align: left;
}

.loi-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.loi-summary-row:last-child { border-bottom: none; }
.loi-summary-row span:first-child { color: var(--muted); }

/* ── Error ────────────────────────────────────────────────────────────────── */

.error-list { margin-bottom: 20px; }
.error { color: var(--err-bright); font-size: 14px; padding: 4px 0; }

/* ── Not Found ─────────────────────────────────────────────────────────────── */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding: 2rem;
  flex: 1;
}

.not-found h1 {
  font-size: 4rem;
  font-family: var(--font-display);
  margin-bottom: 1rem;
}

.not-found p {
  color: var(--text-muted);
}

/* ── Utilities ────────────────────────────────────────────────────────────── */

.mono  { font-family: var(--font-mono); }
.muted { color: var(--muted); }

/* ── Main content wrapper ─────────────────────────────────────────────────── */

.main-content {
  flex: 1;
  max-width: 780px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

footer,
.site-footer {
  margin-top: auto;
  padding: 24px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

footer p,
.site-footer p {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: normal;
}

footer a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 0;
  display: inline-block;
}

footer a:hover,
.site-footer a:hover { color: var(--text); text-decoration: none; }

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  /* ── Padding ── */
  nav, .site-header,
  .hero,
  .section,
  .cta-band {
    padding-left: 20px;
    padding-right: 20px;
  }

  .main-content { padding: 24px 16px; }
  .quote-inner { padding: 24px 20px; }

  /* ── Hero ── */
  .hero { padding-top: 84px; }
  .hero h1 { font-size: clamp(46px, 12vw, 64px); }
  .hero p { font-size: 16px; line-height: 1.65; }

  /* ── Nav ── */
  .nav-links a:not(.nav-login) { display: none; }

  /* ── CTA ── */
  .cta-band { flex-direction: column; align-items: flex-start; }

  /* ── Trust bar ── */
  .trust-bar {
    padding-left: 20px;
    padding-right: 20px;
    margin: 32px 0;
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  /* ── Footer ── */
  footer,
  .site-footer {
    padding-left: 20px;
    padding-right: 20px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  footer p:last-child,
  .site-footer p:last-child {
    display: none;
  }

  /* ── Features grid ── */
  .features-grid { grid-template-columns: 1fr; }

  /* ── Steps list ── */
  .step-row { grid-template-columns: 32px 1fr; gap: 14px; padding: 20px; }
  .step-num { font-size: 24px; }

  /* ── Forms ── */
  .form-row-group { grid-template-columns: 1fr; }
  .quote-header { flex-direction: column; gap: 12px; }
  .loi-form { flex-direction: column; }

  /* ── Detail grid ── */
  .detail-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; justify-content: center; }
}