/* ========================================================
   Norther — agency homepage
   Palette: deep navy + single acid-lime accent, used sparingly.
   Type: Archivo (display, bold/condensed feel via tight tracking)
         Inter (body).
   No marquee, no texture, no gimmicks — confidence via
   typography, spacing, and restraint.
   ======================================================== */

:root {
  --navy: #0a0f1a;
  --navy-alt: #10182a;
  --navy-elevated: #141d33;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef1f6;
  --text-muted: #98a2b3;
  --text-dim: #6b7488;
  --lime: #cdfb4e;
  --lime-ink: #0a0f1a;

  --font-display: "Archivo", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --max-width: 1160px;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-muted);
  background: var(--navy);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

h1, h2, h3 {
  color: var(--text);
  font-family: var(--font-display);
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(10, 15, 26, 0.86);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
}

.brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  margin-left: 6px;
}

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

.site-header nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.site-header nav a:not(.nav-cta):hover {
  color: var(--text);
}

.nav-cta {
  background: var(--lime);
  color: var(--lime-ink) !important;
  font-weight: 700 !important;
  padding: 10px 20px;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -6px rgba(205, 251, 78, 0.5);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */

.hero {
  padding: 116px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}

.hero-content {
  max-width: 640px;
}

.hero-visual {
  position: relative;
  justify-self: end;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -50px;
  background: radial-gradient(circle at 62% 38%, rgba(205, 251, 78, 0.14), transparent 68%);
  filter: blur(6px);
  z-index: 0;
}

.hero-visual svg {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 100%;
  height: auto;
}

.kicker {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 22px;
}

.hero h1 {
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 26px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0 0 40px;
  max-width: 54ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 46px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--lime);
  color: var(--lime-ink);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px -8px rgba(205, 251, 78, 0.55);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}

/* ---------- Section shared ---------- */

section {
  padding: 92px 0;
  border-bottom: 1px solid var(--border);
}

.site-footer {
  border-bottom: none;
}

.section-head {
  max-width: 620px;
  margin: 0 0 52px;
}

.section-head h2 {
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 2.4rem);
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Capabilities ---------- */

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.capability {
  border-top: 1px solid var(--border-strong);
  padding-top: 22px;
}

.cap-icon {
  display: block;
  margin-bottom: 20px;
}

.cap-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--lime);
  margin-bottom: 18px;
}

.capability h3 {
  font-weight: 700;
  font-size: 1.35rem;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.capability p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  max-width: 34ch;
}

/* ---------- Work / case studies ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--navy-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.case-card:hover {
  border-color: var(--lime);
  background: var(--navy-elevated);
  transform: translateY(-3px);
}

.case-thumb {
  height: 176px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.case-mark {
  font-family: var(--font-display);
  font-size: 1.75rem;
}

.mark-noire {
  font-weight: 500;
  font-style: italic;
}

.mark-forge {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.mark-keystone {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.mark-luma {
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
}

.thumb-noire {
  background: linear-gradient(135deg, #1a1815 0%, #0c0b0a 100%);
  color: #ece6db;
}

.thumb-forge {
  background: linear-gradient(135deg, #2b2b2b 0%, #0a0a0a 100%);
  color: #f4c430;
}

.thumb-keystone {
  background: linear-gradient(135deg, #f4f1ea 0%, #e7e0d1 100%);
  color: #2c2a24;
}

.thumb-luma {
  background: linear-gradient(135deg, #faf6f0 0%, #f1e9dc 100%);
  color: #2b2420;
}

.case-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.case-category {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.case-body h3 {
  font-weight: 700;
  margin: 0;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
}

.case-outcome {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
  flex: 1;
}

.case-link {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--lime);
}

.case-link .arrow {
  display: inline-flex;
  align-items: center;
  transition: transform 0.15s ease;
}

.case-link:hover .arrow {
  transform: translateX(3px);
}

/* ---------- Testimonials ---------- */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.testimonial {
  margin: 0;
  border-left: 2px solid var(--lime);
  padding-left: 22px;
}

.quote-mark {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.75rem;
  line-height: 1;
  color: var(--lime);
  opacity: 0.4;
  margin-bottom: 4px;
}

.testimonial p {
  margin: 0 0 16px;
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.6;
}

.testimonial cite {
  display: block;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.testimonial cite strong {
  color: var(--text-muted);
  font-weight: 600;
}

/* ---------- Process ---------- */

.process-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 760px;
}

.process-list::before {
  content: "";
  position: absolute;
  left: 34px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--border-strong);
}

.process-list li {
  display: flex;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.process-list li:last-child {
  border-bottom: 1px solid var(--border);
}

.process-marker {
  position: relative;
  flex-shrink: 0;
  width: 40px;
  padding-top: 4px;
}

.process-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--lime);
}

.process-dot {
  position: absolute;
  left: 30px;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--navy);
  border: 1.5px solid var(--lime);
}

.process-list h3 {
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.process-list p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 52ch;
}

/* ---------- Contact ---------- */

.contact {
  border-bottom: none;
}

.contact-panel {
  position: relative;
  max-width: 640px;
  background: var(--navy-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px;
}

.panel-dots {
  position: absolute;
  top: 20px;
  right: 22px;
  display: flex;
  gap: 6px;
}

.panel-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

.panel-dots span:last-child {
  background: var(--lime);
}

.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--lime);
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}

.contact-email:hover {
  border-color: var(--lime);
}

.social-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  list-style: none;
  margin: 30px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
}

.social-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

.social-links a:hover {
  color: var(--lime);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

.site-footer .wrap {
  padding-top: 28px;
  padding-bottom: 28px;
  font-size: 0.85rem;
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 32px;
}

.footer-nav {
  display: flex;
  gap: 22px;
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s ease;
}

.footer-nav a:hover {
  color: var(--lime);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .case-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  section {
    padding: 68px 0;
  }

  .hero {
    padding: 92px 0 56px;
  }

  .hero-wrap {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .contact-panel {
    padding: 32px;
  }
}

@media (max-width: 680px) {
  .site-header nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px 28px;
    gap: 18px;
    display: none;
  }

  .site-header nav.open {
    display: flex;
  }

  .nav-cta {
    order: 5;
  }

  .nav-toggle {
    display: block;
  }

  .process-list li {
    gap: 18px;
  }
}