:root {
  --color-bg: #1a1c1b;
  --color-surface: #302f2c;
  --color-text: #f1f3f2;
  --color-text-muted: #b8b9b7;
  --color-accent: #00b8a9;
  --color-accent-2: #6a4c93;
  --color-border: rgba(255, 255, 255, 0.12);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.25);
  --transition-fast: 200ms ease;
  --transition-med: 300ms ease;
  --font-heading: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1200px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  margin: 0 0 0.65em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 2.75rem);
}

h3 {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
}

h4 {
  font-size: 1.125rem;
}

.section {
  padding: 96px 24px;
}

.section-header {
  margin-bottom: 48px;
  max-width: 640px;
}

.section-header .eyebrow {
  color: var(--color-accent);
  margin-bottom: 10px;
}

.eyebrow {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.text-link {
  color: var(--color-accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.text-link::after {
  content: "";
  height: 1px;
  width: 100%;
  background: currentColor;
  position: absolute;
  left: 0;
  bottom: -2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-med);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: scaleX(1);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(26, 28, 27, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-nav {
  position: relative;
}

.nav-list {
  display: flex;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.nav-link.active {
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.nav-toggle-bar {
  width: 24px;
  height: 2px;
  background: #fff;
  display: block;
  margin: 5px 0;
  transition: transform var(--transition-fast);
}

.hero,
.blog-hero,
.about-hero,
.contact-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 112px 24px 72px;
  display: grid;
  gap: 48px;
  align-items: center;
}

.hero-content,
.about-intro,
.contact-intro {
  max-width: 640px;
}

.highlight {
  color: var(--color-accent);
  position: relative;
}

.highlight::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 12px;
  background: rgba(0, 184, 169, 0.2);
  z-index: -1;
}

.hero-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-stats {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 32px;
  margin-top: 40px;
}

.hero-stats strong {
  display: block;
  font-size: 2rem;
  font-family: var(--font-heading);
}

.site-footer {
  padding: 64px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(27, 29, 28, 0.95);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto 36px;
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.footer-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Scroll reveal state */
[data-observe] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms ease, transform 600ms ease;
}

[data-observe].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Modal base styles */
.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 2000;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
}

.modal-content {
  position: relative;
  max-width: 800px;
  width: min(90vw, 800px);
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  background: #1f2121;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.modal-close:hover,
.modal-close:focus-visible {
  background: rgba(0, 184, 169, 0.6);
}