:root {
  --color-bg: #fafaf6;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f3ed;
  --color-border: #dde3d6;
  --color-sage-light: #c8d5c4;
  --color-sage: #8fa890;
  --color-sage-dark: #5f7a5f;
  --color-forest: #3d5245;
  --color-forest-deep: #2c3a2e;
  --color-text: #2c3a2e;
  --color-text-muted: #5a6a5c;
  --color-accent: #6b8e6b;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(44, 58, 46, 0.04), 0 1px 3px rgba(44, 58, 46, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(44, 58, 46, 0.06), 0 2px 4px -2px rgba(44, 58, 46, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(44, 58, 46, 0.08), 0 4px 10px -4px rgba(44, 58, 46, 0.06);

  --max-width: 1180px;
  --max-width-narrow: 780px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-forest);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-forest-deep);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

ul li {
  margin-bottom: 0.4rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== HEADER ========== */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

@supports ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-forest-deep);
  letter-spacing: -0.015em;
}

.logo:hover {
  color: var(--color-forest-deep);
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--color-sage) 0%, var(--color-forest) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
  align-items: center;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.25rem 0;
  position: relative;
}

.nav-links a.active {
  color: var(--color-forest);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-sage);
  border-radius: 2px;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-forest-deep);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.5rem 0;
  }
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-forest);
  color: #fff;
  border-color: var(--color-forest);
}

.btn-primary:hover {
  background-color: var(--color-forest-deep);
  border-color: var(--color-forest-deep);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--color-surface-alt);
  border-color: var(--color-sage);
  color: var(--color-forest);
}

.btn-arrow::after {
  content: "→";
  transition: transform 0.2s ease;
}

.btn-arrow:hover::after {
  transform: translateX(3px);
}

/* ========== HERO ========== */
.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(ellipse at top right, rgba(143, 168, 144, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(200, 213, 196, 0.25) 0%, transparent 50%),
    var(--color-bg);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-sage-dark);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background-color: var(--color-sage);
  border-radius: 50%;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero-lead {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 640px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ========== PAGE HEADER (for inner pages) ========== */
.page-header {
  padding: 4rem 0 2.5rem;
  background: linear-gradient(180deg, var(--color-surface-alt) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-header .container {
  max-width: var(--max-width-narrow);
}

.page-header h1 {
  margin-bottom: 0.75rem;
}

.page-header p {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  margin: 0;
}

/* ========== SECTIONS ========== */
section {
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--color-surface-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin: 0;
}

/* ========== CARD GRID ========== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.25s ease;
}

.card:hover {
  border-color: var(--color-sage);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-forest);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  margin: 0;
}

/* ========== SERVICE DETAIL ========== */
.service-block {
  margin-bottom: 3.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.service-block h2 {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.service-block h2 .service-num {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-sage-dark);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.6rem;
  background-color: var(--color-surface-alt);
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

.service-block ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.5rem 2rem;
  margin-top: 1rem;
}

.service-block ul li {
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text);
}

.service-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-sage);
  border-radius: 50%;
}

/* ========== TECH STACK ========== */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.tech-tag {
  padding: 0.4rem 0.9rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-forest);
}

.tech-category {
  margin-bottom: 1.5rem;
}

.tech-category h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 0.65rem;
}

/* ========== ABOUT ========== */
.about-intro {
  font-size: 1.15rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.team-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 2rem;
}

.team-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-sage-light) 0%, var(--color-sage) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-forest-deep);
  box-shadow: 0 0 0 4px var(--color-surface), 0 0 0 5px var(--color-border);
  flex-shrink: 0;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-card h3 {
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--color-sage-dark);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.team-bio {
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

@media (max-width: 560px) {
  .team-card {
    grid-template-columns: 1fr;
  }
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.contact-info {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.contact-info h3 {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.contact-info dl {
  display: grid;
  gap: 1rem;
}

.contact-info dt {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-sage-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.contact-info dd {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-info dd a {
  color: var(--color-forest);
  font-weight: 500;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px rgba(143, 168, 144, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ========== LEGAL / PROSE ========== */
.prose {
  max-width: var(--max-width-narrow);
}

.prose h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.5rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}

.prose p,
.prose ul {
  color: var(--color-text);
  margin-bottom: 1rem;
}

.prose address {
  font-style: normal;
  padding: 1.25rem 1.5rem;
  background-color: var(--color-surface-alt);
  border-left: 3px solid var(--color-sage);
  border-radius: var(--radius-sm);
  margin: 1rem 0;
  line-height: 1.7;
}

/* ========== FOOTER ========== */
.site-footer {
  background-color: var(--color-forest-deep);
  color: #d9e0d5;
  padding: 3.5rem 0 1.75rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 760px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.site-footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  font-weight: 600;
}

.site-footer .logo {
  color: #fff;
  margin-bottom: 1rem;
}

.site-footer .logo:hover {
  color: #fff;
}

.footer-tagline {
  color: #a8b5a5;
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: #c4cec1;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: #a8b5a5;
}

/* ========== CTA STRIP ========== */
.cta-strip {
  background: linear-gradient(135deg, var(--color-forest) 0%, var(--color-forest-deep) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-strip h2 {
  color: #fff;
  margin-bottom: 0.4rem;
}

.cta-strip p {
  color: #c4cec1;
  margin: 0;
  max-width: 480px;
}

.cta-strip .btn-primary {
  background-color: #fff;
  color: var(--color-forest-deep);
  border-color: #fff;
}

.cta-strip .btn-primary:hover {
  background-color: var(--color-sage-light);
  border-color: var(--color-sage-light);
  color: var(--color-forest-deep);
}

/* ========== UTILITIES ========== */
.text-muted {
  color: var(--color-text-muted);
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }