/* =========================================================
   NASUDO GROUP — Design System
   Aesthetic: Editorial · Refined · Trust-anchored
   ========================================================= */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1.5; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea, button { font-family: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- Tokens --- */
:root {
  /* Palette */
  --ink:     #161A16;
  --moss:    #233323;
  --forest:  #2F4A30;
  --sage:    #5E7461;
  --bone:    #F4EFE5;
  --paper:   #FAF7F0;
  --cream:   #EDE6D6;
  --brass:   #B5894A;
  --brass-d: #8E6A36;
  --copper:  #9B5328;
  --rule:    #D8CFBC;
  --muted:   #6A6258;

  /* Type */
  --f-display: 'Fraunces', 'Times New Roman', serif;
  --f-body:    'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Spacing scale */
  --s1: 0.5rem;
  --s2: 1rem;
  --s3: 1.5rem;
  --s4: 2rem;
  --s5: 3rem;
  --s6: 4.5rem;
  --s7: 6.5rem;
  --s8: 9rem;

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

body {
  font-family: var(--f-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--ink);
  background: var(--bone);
  background-image:
    radial-gradient(at 12% 8%, rgba(181,137,74,0.08) 0%, transparent 45%),
    radial-gradient(at 88% 92%, rgba(35,51,35,0.06) 0%, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
}

/* --- Typography --- */
.display, h1, h2, h3 {
  font-family: var(--f-display);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.05;
  font-variation-settings: "SOFT" 30, "opsz" 144;
}
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.85rem); line-height: 1.15; }
.italic { font-style: italic; font-variation-settings: "SOFT" 50, "opsz" 144; }

.kicker {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-d);
  font-weight: 500;
}
.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--moss);
  max-width: 56ch;
}
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --- Layout helpers --- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(3rem, 7vw, 6rem) 0; }
.section--tight { padding: clamp(2rem, 4vw, 3rem) 0; }
.divider { height: 1px; background: var(--rule); border: 0; }
.hr-brass { height: 1px; background: var(--brass); border: 0; opacity: 0.4; }

/* --- Header / Nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 239, 229, 0.88);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--rule);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--f-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-mark {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--brass-d);
  text-transform: uppercase;
  font-weight: 500;
  padding-top: 0.3rem;
}
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--moss);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--brass);
  transition: right 0.3s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { right: 0; }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { right: 0; }
.nav-cta {
  padding: 0.6rem 1.1rem;
  background: var(--ink);
  color: var(--bone);
  border-radius: 2px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--moss); }
.nav-toggle {
  display: none;
  width: 28px; height: 22px;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  width: 100%;
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    background: var(--bone);
    padding: 2rem var(--gutter);
    border-bottom: 1px solid var(--rule);
    gap: 1.4rem;
    align-items: flex-start;
    transform: translateY(-110%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
}

/* --- Hero --- */
.hero {
  padding: clamp(3.5rem, 9vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.4fr 1fr; }
}
.hero h1 {
  margin-bottom: 1.5rem;
}
.hero h1 .accent {
  font-style: italic;
  color: var(--forest);
  font-variation-settings: "SOFT" 80, "opsz" 144;
}
.hero-meta {
  border-left: 1px solid var(--brass);
  padding-left: 1.5rem;
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  line-height: 1.7;
  text-transform: uppercase;
}
.hero-meta strong { color: var(--ink); font-weight: 500; }

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: transform 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--ink);
  color: var(--bone);
}
.btn-primary:hover { background: var(--forest); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--bone); }
.btn-ghost {
  background: transparent;
  color: var(--moss);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--brass);
  border-radius: 0;
}
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }
.btn .arrow { display: inline-block; transition: transform 0.25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* --- Stats strip --- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 700px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat-num {
  font-family: var(--f-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
  display: block;
  font-variation-settings: "SOFT" 30, "opsz" 144;
}
.stat-label {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.75rem;
  display: block;
  line-height: 1.5;
}

/* --- Section heads --- */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
@media (min-width: 800px) {
  .section-head { grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: end; }
}

/* --- Service / capability cards --- */
.svc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 700px) { .svc-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .svc-grid { grid-template-columns: repeat(3, 1fr); } }
.svc {
  background: var(--bone);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background 0.3s;
}
.svc:hover { background: var(--paper); }
.svc-num {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--brass-d);
}
.svc h3 { font-size: 1.4rem; }
.svc p { color: var(--moss); font-size: 0.95rem; line-height: 1.6; }
.svc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1rem;
}
.svc-tag {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
}

/* --- Two-column editorial --- */
.editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (min-width: 900px) { .editorial { grid-template-columns: 1fr 1fr; gap: 5rem; } }
.editorial p { margin-bottom: 1rem; color: var(--moss); line-height: 1.7; max-width: 60ch; }

/* --- Industries --- */
.industries {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
@media (min-width: 800px) { .industries { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .industries { grid-template-columns: repeat(6, 1fr); } }
.industry {
  background: var(--bone);
  padding: 1.5rem 1rem;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--moss);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  transition: background 0.25s;
}
.industry:hover { background: var(--cream); }

/* --- Process timeline --- */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 800px) { .timeline { grid-template-columns: repeat(4, 1fr); } }
.tl-step {
  padding: 1.75rem 1.5rem;
  border-top: 1px solid var(--rule);
  position: relative;
}
@media (min-width: 800px) {
  .tl-step {
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
  .tl-step:first-child { border-left: 0; }
}
.tl-step::before {
  content: attr(data-step);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--brass-d);
  display: block;
  margin-bottom: 0.75rem;
}
.tl-step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}
.tl-step p { color: var(--moss); font-size: 0.9rem; line-height: 1.5; }

/* --- Dark CTA block --- */
.cta-block {
  background: var(--ink);
  color: var(--bone);
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3.5rem);
  border-radius: 4px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: end;
  position: relative;
  overflow: hidden;
}
@media (min-width: 800px) { .cta-block { grid-template-columns: 2fr 1fr; gap: 4rem; } }
.cta-block::before {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 320px; height: 320px;
  border: 1px solid rgba(181, 137, 74, 0.25);
  border-radius: 50%;
}
.cta-block::after {
  content: "";
  position: absolute;
  right: -180px; top: -80px;
  width: 220px; height: 220px;
  border: 1px solid rgba(181, 137, 74, 0.18);
  border-radius: 50%;
}
.cta-block h2 { color: var(--bone); }
.cta-block p { color: var(--cream); opacity: 0.85; }
.cta-block .btn-primary {
  background: var(--brass);
  color: var(--ink);
}
.cta-block .btn-primary:hover { background: var(--bone); }

/* --- Footer --- */
.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: 4rem 0 2rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (min-width: 800px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; } }
.footer-brand {
  font-family: var(--f-display);
  font-size: 1.6rem;
  color: var(--bone);
  margin-bottom: 0.5rem;
}
.footer-tag {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--brass);
  margin-bottom: 1rem;
}
.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--brass);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 1rem;
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a {
  color: var(--cream);
  font-size: 0.9rem;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.footer-col a:hover { opacity: 1; }
.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--cream);
  opacity: 0.5;
  text-transform: uppercase;
}

/* --- Page header (interior pages) --- */
.page-head {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--rule);
}
.page-head h1 { margin: 1rem 0; }
.crumbs {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.crumbs a { color: var(--brass-d); }
.crumbs span { color: var(--muted); }

/* --- Forms --- */
.form-shell {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: clamp(1.75rem, 3vw, 3rem);
  border-radius: 2px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 700px) { .form-grid.two-col { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field-wide { grid-column: 1 / -1; }
label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--moss);
  font-weight: 500;
}
label .req { color: var(--copper); }
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select,
textarea {
  background: var(--bone);
  border: 1px solid var(--rule);
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--ink);
  font-family: var(--f-body);
  border-radius: 2px;
  transition: border-color 0.2s, background 0.2s;
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--forest);
  background: #fff;
}
textarea { resize: vertical; min-height: 110px; }
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
@media (min-width: 600px) { .checkbox-grid { grid-template-columns: repeat(3, 1fr); } }
.check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.85rem;
  background: var(--bone);
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-size: 0.88rem;
  color: var(--moss);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}
.check input { accent-color: var(--forest); margin: 0; }
.check:has(input:checked) { border-color: var(--forest); background: #fff; color: var(--ink); }
.help { font-size: 0.82rem; color: var(--muted); line-height: 1.4; }

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  align-items: center;
  flex-wrap: wrap;
}
.notice {
  background: var(--cream);
  border-left: 3px solid var(--brass);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: var(--moss);
  line-height: 1.5;
  border-radius: 2px;
  margin-bottom: 2rem;
}

/* --- Estimator output --- */
.est-output {
  display: none;
  margin-top: 2.5rem;
  background: var(--ink);
  color: var(--bone);
  border-radius: 4px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  position: relative;
  overflow: hidden;
}
.est-output.visible { display: block; animation: fadeUp 0.6s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.est-output h2 { color: var(--bone); margin-bottom: 0.75rem; }
.est-output .kicker { color: var(--brass); }
.est-numbers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.75rem 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (min-width: 700px) { .est-numbers { grid-template-columns: repeat(3, 1fr); } }
.est-num-block .num {
  font-family: var(--f-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-variation-settings: "SOFT" 30, "opsz" 144;
  color: var(--bone);
  line-height: 1;
}
.est-num-block .label {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--brass);
  text-transform: uppercase;
  margin-top: 0.6rem;
  font-weight: 500;
}
.est-disclaimer {
  font-size: 0.82rem;
  color: var(--cream);
  opacity: 0.75;
  line-height: 1.55;
  margin-top: 1.25rem;
  max-width: 65ch;
}
.est-deliverables {
  margin-top: 1.75rem;
}
.est-deliverables h4 {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.85rem;
  font-weight: 500;
}
.est-deliverables ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 700px) { .est-deliverables ul { grid-template-columns: 1fr 1fr; } }
.est-deliverables li {
  padding-left: 1rem;
  position: relative;
  font-size: 0.9rem;
  color: var(--cream);
  line-height: 1.5;
}
.est-deliverables li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--brass);
}

/* --- Credentials list --- */
.creds {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.cred-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 700px) {
  .cred-row { grid-template-columns: 180px 1fr 1fr; gap: 2rem; }
}
.cred-year {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--brass-d);
  letter-spacing: 0.08em;
}
.cred-title { font-weight: 500; color: var(--ink); }
.cred-org { color: var(--moss); font-size: 0.92rem; }

/* --- Pill list (frameworks/tags) --- */
.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pill {
  padding: 0.4rem 0.85rem;
  background: var(--bone);
  border: 1px solid var(--rule);
  border-radius: 2rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* --- Misc --- */
.text-muted { color: var(--muted); }
.text-brass { color: var(--brass-d); }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.success-msg {
  display: none;
  padding: 1.5rem;
  background: var(--forest);
  color: var(--bone);
  border-radius: 2px;
  margin-top: 1.5rem;
}
.success-msg.visible { display: block; }

/* --- Print --- */
@media print {
  .site-header, .site-footer, .nav-toggle { display: none; }
  body { background: white; }
}