@font-face {
  font-family: "CMU Serif";
  src: url("../fonts/cmu/cmunrm.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "CMU Serif";
  src: url("../fonts/cmu/cmunbx.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "CMU Serif";
  src: url("../fonts/cmu/cmunti.otf") format("opentype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "CMU Serif";
  src: url("../fonts/cmu/cmunbi.otf") format("opentype");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter_18pt-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter_18pt-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter_18pt-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter_18pt-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter/Inter_18pt-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

html {
  scroll-padding-top: calc(var(--header-offset, 8rem) + 0.4rem);
}

body {
  min-height: 100vh;
  padding-top: var(--header-offset, 8rem);
  background: linear-gradient(180deg, var(--color-bg-start) 0%, var(--color-bg) 20rem);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.66;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-text);
}

:focus-visible {
  outline: 3px solid rgba(95, 120, 98, 0.28);
  outline-offset: 3px;
}

.back-to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 180;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid var(--color-floating-border);
  border-radius: 50%;
  background: var(--color-floating-bg);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.75rem) scale(0.95);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition),
    background-color var(--transition), border-color var(--transition);
}

.back-to-top:hover {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top-icon {
  font-size: 1.65rem;
  line-height: 1;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-text);
  font-family: var(--font-heading);
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.55rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
}

p,
li {
  color: var(--color-text-soft);
}

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

code,
pre {
  font-family: var(--font-mono);
}

main section[id] {
  scroll-margin-top: calc(var(--header-offset, 8rem) + 0.4rem);
}

.section {
  padding: var(--space-14) 0;
}

.section-kicker,
.hero .eyebrow,
.footer-brand .eyebrow,
.site-header-identity .eyebrow {
  display: none;
}

.eyebrow {
  color: var(--color-accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-intro {
  max-width: 48rem;
  margin-bottom: var(--space-8);
  font-size: 1.03rem;
}

strong,
b {
  color: var(--color-text);
}

pre {
  white-space: pre-wrap;
}

h1,
h2,
h3,
.section-title,
.featured-project-title,
.project-card-title,
.footer-name {
  text-wrap: balance;
}

@media (max-width: 52rem) {
  .back-to-top {
    right: 0.85rem;
    bottom: calc(5.75rem + env(safe-area-inset-bottom, 0px));
    width: 2.9rem;
    height: 2.9rem;
  }
}