/* ==========================================================================
   Strategic Science Solutions — brand system
   Palette (brand kit): navy #092557 · gold #F5A201 · ink #323232 · white
   Type: Archivo wdth 125 (Bernoru stand-in) · Mulish (Avenir Light stand-in)
   ========================================================================== */

:root {
  --navy: #092557;
  --navy-deep: #06193b;
  --navy-panel: #0c2e66;
  --gold: #f5a201;
  --gold-deep: #d68e01;
  --ink: #323232;
  --ink-soft: #5b6270;
  --paper: #ffffff;
  --mist: #f2f5fa;
  --line: #dde4ef;

  --font-display: "Archivo", "Arial Black", sans-serif;
  --font-body: "Mulish", "Avenir Next", "Segoe UI", sans-serif;

  --radius: 4px;
  --shadow: 0 14px 40px rgba(9, 37, 87, 0.10);
  --container: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--navy); }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- type roles ---------- */

.eyebrow {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}

.section-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 800;
  font-size: clamp(1.45rem, 2.6vw, 1.95rem);
  line-height: 1.18;
  letter-spacing: 0.015em;
  text-transform: uppercase;
  color: var(--navy);
  text-wrap: balance;
}

.section-lede {
  max-width: 42em;
  color: var(--ink-soft);
}

/* the lightbulb-base motif from the logo */
.tri-bar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 1.1rem 0 1.4rem;
}
.tri-bar i {
  display: block;
  height: 4px;
  border-radius: 2px;
  background: var(--gold);
}
.tri-bar i:nth-child(1) { width: 40px; }
.tri-bar i:nth-child(2) { width: 28px; }
.tri-bar i:nth-child(3) { width: 16px; }

.section-head { max-width: 46em; }

.text-gold { color: var(--gold); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: var(--gold-deep); }

.btn-navy { background: var(--navy); color: var(--paper); }
.btn-navy:hover { background: var(--navy-panel); }

.btn-ghost { border-color: rgba(255, 255, 255, 0.55); color: var(--paper); }
.btn-ghost:hover { border-color: var(--paper); background: rgba(255, 255, 255, 0.08); }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.78rem; }
.btn-block { width: 100%; }

/* ---------- preview ribbon ---------- */

.preview-note {
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.45rem 1rem;
}

/* ---------- header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 0.9rem;
  position: relative;
}

.brand-logo img { width: auto; height: 44px; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--navy);
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}
.nav-link:hover { border-bottom-color: var(--gold); }

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 6px;
  cursor: pointer;
}
.mobile-toggle span {
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--navy);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(90rem 40rem at 80% -10%, var(--navy-panel), transparent 60%),
    linear-gradient(160deg, var(--navy) 55%, var(--navy-deep));
  color: var(--paper);
  padding-block: 5.5rem 5rem;
}

.hero-helix,
.band-helix {
  position: absolute;
  top: -8%;
  right: -3rem;
  height: 130%;
  width: auto;
  transform: rotate(14deg);
  pointer-events: none;
}

.strand,
.rungs path {
  fill: none;
  stroke: #ffffff;
  stroke-width: 7;
  stroke-linecap: round;
  opacity: 0.055;
}
.rungs path { stroke-width: 5; opacity: 0.045; }

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 850;
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-wrap: balance;
  margin-bottom: 1.3rem;
}

.hero-lede {
  font-weight: 300;
  font-size: 1.2rem;
  line-height: 1.65;
  max-width: 34em;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 2.4rem;
}

.cred-bar {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
}
.cred-bar li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.78);
}
.cred-bar li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

/* hero profile panel — echo of the brand business card */
.profile-panel {
  position: relative;
  background: linear-gradient(170deg, var(--navy-panel), var(--navy-deep));
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 2.2rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.2rem;
  border: 3px solid var(--gold);
}

.profile-name {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--paper);
}

.profile-role {
  font-size: 0.9rem;
  color: var(--gold);
  font-weight: 600;
  margin-top: 0.2rem;
}

.profile-panel .tri-bar { align-items: center; margin: 1rem 0; }

.profile-line {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.2rem;
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 2px;
  transition: border-color 160ms ease, color 160ms ease;
}
.linkedin-link:hover { color: var(--gold); border-color: var(--gold); }
.linkedin-link svg { width: 16px; height: 16px; fill: currentColor; }

/* ---------- sections ---------- */

.section { padding-block: 5rem; }
.section-mist { background: var(--mist); }

.section-navy {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy) 60%, var(--navy-deep));
  color: var(--paper);
}
.section-navy .section-title { color: var(--paper); }
.on-navy { color: rgba(255, 255, 255, 0.88); max-width: 36em; }
.on-navy strong { color: var(--paper); }

.section .section-head { margin-bottom: 3rem; }

/* ---------- services ---------- */

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.service-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.service-icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--mist);
  color: var(--navy);
  margin-bottom: 1.2rem;
}
.service-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.service-body {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 1.1rem;
}

.service-list {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.service-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.93rem;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 14px;
  height: 14px;
  background-color: var(--gold);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M4 12.5l5 5L20 7"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3.4" stroke-linecap="round" stroke-linejoin="round"><path d="M4 12.5l5 5L20 7"/></svg>') center / contain no-repeat;
}

/* ---------- about ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p { margin-bottom: 1.1rem; }
.about-text strong { color: var(--navy); }
.about-text .btn { margin-top: 1.2rem; }

.chip-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.2rem 0 0.4rem;
}
.chip-row li {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
}

.timeline {
  list-style: none;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 1.6rem;
  padding-left: 1.6rem;
  margin-top: 0.4rem;
}

.timeline-item {
  position: relative;
  display: grid;
  gap: 0.1rem;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1.6rem - 7px);
  top: 0.4em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--mist);
}

.timeline-year {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.timeline-role { font-weight: 700; color: var(--navy); }
.timeline-org { font-size: 0.9rem; color: var(--ink-soft); }

/* ---------- strategy strolls ---------- */

.strolls-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.strolls-grid .on-navy { margin-bottom: 1.8rem; }
.strolls-grid .hero-actions { margin-bottom: 0; }

.strolls-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 2rem;
}

.strolls-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  margin-bottom: 1.1rem;
}

.strolls-note { font-size: 0.95rem; }

/* ---------- feedback ---------- */

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.quote-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 2.4rem 2rem 2rem;
}
.quote-card::before {
  content: "\201C";
  position: absolute;
  top: 0.4rem;
  left: 1.4rem;
  font-family: Georgia, serif;
  font-size: 3.2rem;
  line-height: 1;
  color: var(--gold);
}
.quote-card blockquote {
  font-size: 1rem;
  font-style: italic;
  color: var(--ink);
}

/* ---------- contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info > p { margin-bottom: 2rem; max-width: 32em; }

.contact-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.4rem;
}

.contact-icon {
  flex: none;
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--navy);
}
.contact-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-title {
  display: block;
  font-weight: 700;
  color: var(--navy);
}
.contact-desc { display: block; font-size: 0.92rem; color: var(--ink-soft); }
.contact-desc a { color: var(--navy); font-weight: 600; }

.contact-form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.form-title {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 1.4rem;
}

.form-group { margin-bottom: 1.1rem; }

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.form-control:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(245, 162, 1, 0.22);
}

textarea.form-control { resize: vertical; }

.form-note {
  margin-top: 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--mist);
  border-left: 3px solid var(--gold);
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
}

.form-caption {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-align: center;
}

/* ---------- footer ---------- */

.footer {
  position: relative;
  overflow: hidden;
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.8);
  padding-block: 4rem 2rem;
  font-size: 0.94rem;
}

.footer .band-helix { top: auto; bottom: -20%; right: -4rem; transform: rotate(-12deg); }

.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-brand img { width: auto; height: 40px; margin-bottom: 1.2rem; }
.footer-brand p { max-width: 34em; font-size: 0.9rem; }

.footer-col h4 {
  font-family: var(--font-display);
  font-variation-settings: "wdth" 125;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.footer-links { list-style: none; display: grid; gap: 0.5rem; }
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 160ms ease;
}
.footer-links a:hover { color: var(--gold); }

.footer-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  padding-top: 1.6rem;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.build-hash {
  margin-left: 0.6rem;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.4);
}

.partner-credit a {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  text-decoration: none;
}
.partner-credit a:hover { color: var(--gold); }

/* ---------- motion ---------- */

[data-rise] {
  animation: rise 640ms cubic-bezier(0.2, 0.7, 0.3, 1) both;
  animation-delay: calc(var(--d, 0) * 110ms);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms cubic-bezier(0.2, 0.7, 0.3, 1);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-rise] { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .service-card:hover { transform: none; }
}

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .strolls-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2.6rem; }

  .profile-panel { max-width: 420px; margin-inline: auto; }

  .mobile-toggle { display: flex; }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.5rem 1.2rem;
    display: none;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu li { padding-block: 0.35rem; }
  .nav-menu .btn { margin-top: 0.6rem; text-align: center; }

  .hero { padding-block: 4rem 3.5rem; }
  .hero-helix { display: none; }
}

@media (max-width: 640px) {
  .services-grid,
  .quote-grid { grid-template-columns: 1fr; }
  .section { padding-block: 3.5rem; }
  .brand-logo img { height: 36px; }
}