/* Local webfonts */
@font-face {
  font-display: swap;
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  src: url('./fonts/playfair-display-v39-latin-regular.woff2') format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 600;
  src: url('./fonts/playfair-display-v39-latin-600.woff2') format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  src: url('./fonts/playfair-display-v39-latin-700.woff2') format('woff2');
}

@font-face {
  font-display: swap;
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 400;
  src: url('./fonts/montserrat-v30-latin-regular.woff2') format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 500;
  src: url('./fonts/montserrat-v30-latin-500.woff2') format('woff2');
}
@font-face {
  font-display: swap;
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  src: url('./fonts/montserrat-v30-latin-700.woff2') format('woff2');
}

/* Design tokens and base */
:root {
  --header-h: 72px;
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-accent: #7d7eb0;
  --color-border: #eaeaea;
  --radius-card: 12px;
  --radius-btn: 8px;
}

@media (min-width: 768px) {
  :root {
    --header-h: 80px;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 8px 12px;
  background: #000;
  color: #fff;
  border-radius: 6px;
  z-index: 2000;
}

/* Typography utilities */
.font-serif {
  font-family: 'Playfair Display', serif;
}

.font-sans {
  font-family: 'Montserrat', sans-serif;
}

.letter-spacing {
  letter-spacing: 0.05em;
}

/* Responsive type scale */
h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3.25rem);
}
h2 {
  font-size: clamp(1.5rem, 2.2vw + 0.7rem, 2.25rem);
}
h3 {
  font-size: clamp(1.25rem, 1.4vw + 0.6rem, 1.5rem);
}
p,
li {
  font-size: clamp(1rem, 0.4vw + 0.95rem, 1.1rem);
}

/* Comfortable measure for long text */
.measure {
  max-width: 65ch;
}

/* Anchor offset for sticky header */
.section {
  scroll-margin-top: var(--header-h);
}

/* Hero Section Background with Subtle Gradient Blobs */
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle 200px at 10% 15%, #b8b8ff, #ffffff00),
    radial-gradient(circle 200px at 20% 25%, #7d7eb0, #ffffff00),
    #FFFFFF;
  filter: blur(16px);
  z-index: -1;
}

/* Noise Overlay */
.noise-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('img/noise.png') repeat;
  opacity: 0.06;
  z-index: 0;
}

/* Moved inline styles into classes for CSP hardening */
.hero-section {
  min-height: 500px;
}

.profile-wrap {
  width: 160px;
  height: 160px;
}

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

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 1;
}

/* Custom Button Styles */
.btn-primary-custom {
  background-color: #000;
  border-color: #000;
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
}

.btn-primary-custom:hover,
.btn-primary-custom:focus {
  background-color: #333;
  border-color: #333;
  color: #fff;
}

.btn-secondary-custom {
  background-color: #fff;
  border: 1px solid #000;
  color: #000;
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
}

.btn-secondary-custom:hover,
.btn-secondary-custom:focus {
  background-color: rgba(0, 0, 0, 0.05);
  color: #333;
  border-color: #333;
}

/* Focus styles (accessible) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: none !important;
}

/* Card micro-interactions */
.card {
  border-radius: var(--radius-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

/* Back-to-top button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 1040;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Performance: fold skipping for below-the-fold sections */
.cv-auto {
  content-visibility: auto;
  contain-intrinsic-size: 800px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}