/* ==========================================================================
   Scott Leimroth - Personal Website Stylesheet
   Premium design with scroll animations and visual accents
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --color-primary: #1a365d;
  --color-primary-light: #2c5282;
  --color-primary-dark: #0d1f3c;
  --color-accent: #2b6cb0;
  --color-accent-hover: #2c5282;
  --color-accent-light: #e8f2fc;
  --color-gold: #d69e2e;
  --color-gold-light: #faf5e4;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f7f8fa;
  --color-gray-100: #eef1f5;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Semantic Colors */
  --color-text: var(--color-gray-600);
  --color-text-light: var(--color-gray-500);
  --color-text-secondary: var(--color-gray-500);
  --color-text-dark: var(--color-gray-800);
  --color-background: var(--color-white);
  --color-background-alt: var(--color-gray-50);
  --color-border: var(--color-gray-200);

  /* Typography */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-heading: var(--font-family-primary);

  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  /* Layout */
  --container-max-width: 1140px;
  --container-padding: var(--spacing-5);
  --header-height: 72px;

  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.625rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 1.5rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
  --shadow-xl: 0 24px 48px rgba(0,0,0,0.12);
  --shadow-accent: 0 8px 24px rgba(26,54,93,0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --------------------------------------------------------------------------
   Scroll Reveal Animations
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-dark);
  margin-bottom: var(--spacing-4);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

/* Section heading with gold accent underline */
.section h2,
.section--alt h2,
.section--primary h2 {
  position: relative;
  display: inline-block;
  padding-bottom: var(--spacing-3);
  margin-bottom: var(--spacing-8);
}

.section h2::after,
.section--alt h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
}

.section .text-center h2::after,
.section--alt .text-center h2::after,
.text-center.mb-8::after {
  left: 50%;
  transform: translateX(-50%);
}

/* Center the underline when h2 itself has text-center parent */
.text-center h2::after,
h2.text-center::after {
  left: 50%;
  transform: translateX(-50%);
}

p {
  margin-bottom: var(--spacing-4);
}

p:last-child {
  margin-bottom: 0;
}

blockquote {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text);
  border-left: 3px solid var(--color-gold);
  padding: var(--spacing-5) var(--spacing-6);
  margin: var(--spacing-8) 0;
  background: var(--color-gold-light);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  line-height: var(--line-height-relaxed);
}

blockquote cite {
  display: block;
  font-size: var(--font-size-sm);
  font-style: normal;
  font-weight: var(--font-weight-semibold);
  margin-top: var(--spacing-3);
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-16) 0;
  position: relative;
}

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

/* Primary sections (subpage headers) with gradient */
.section--primary {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  padding: var(--spacing-16) 0;
}

.section--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(255,255,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.section--primary h1,
.section--primary h2,
.section--primary h3 {
  color: var(--color-white);
}

.section--primary h2::after {
  background: var(--color-gold);
}

.section--primary .hero__subtitle {
  color: rgba(255,255,255,0.8);
}

/* Wave divider between sections */
.section--wave-bottom {
  padding-bottom: calc(var(--spacing-16) + 40px);
}

.section--wave-bottom::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--color-background);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.section--alt.section--wave-bottom::after {
  background: var(--color-background-alt);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255,255,255,0.98);
  border-bottom-color: var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.header__logo:hover {
  color: var(--color-primary-light);
  text-decoration: none;
}

/* Desktop Navigation */
.nav { display: none; }

.nav__list {
  display: flex;
  gap: var(--spacing-8);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: var(--spacing-2) 0;
  position: relative;
  transition: color var(--transition-normal);
}

.nav__link:hover { color: var(--color-primary); text-decoration: none; }
.nav__link.active { color: var(--color-primary); font-weight: var(--font-weight-semibold); }

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}

.menu-toggle__bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.menu-toggle.active .menu-toggle__bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .menu-toggle__bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.active { transform: translateX(0); }

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-8) var(--spacing-6);
}

.mobile-nav__link {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dark);
  padding: var(--spacing-5) 0;
  border-bottom: 1px solid var(--color-gray-100);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover { color: var(--color-accent); text-decoration: none; }

.main { padding-top: var(--header-height); }

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-20) 0 var(--spacing-16);
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

/* Subtle dot pattern overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* Soft radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 70%;
  height: 130%;
  background: radial-gradient(ellipse, rgba(44,82,130,0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero__image {
  width: 150px;
  height: 150px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  object-position: top center;
  border: 3px solid rgba(255,255,255,0.7);
  box-shadow:
    0 0 0 6px rgba(214,158,46,0.3),
    0 0 0 12px rgba(214,158,46,0.1),
    var(--shadow-xl);
  margin: 0 auto var(--spacing-8);
  position: relative;
  z-index: 1;
}

.hero__title {
  font-size: var(--font-size-3xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-1);
  letter-spacing: -0.03em;
  position: relative;
  z-index: 1;
}

.hero__degrees {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-4);
  position: relative;
  z-index: 1;
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.8);
  font-weight: var(--font-weight-normal);
  margin-bottom: var(--spacing-8);
  position: relative;
  z-index: 1;
}

.hero__intro {
  max-width: 600px;
  margin: 0 auto;
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.75);
  line-height: var(--line-height-relaxed);
  position: relative;
  z-index: 1;
}

.hero__quote {
  max-width: 640px;
  font-size: var(--font-size-base);
  font-style: italic;
  color: rgba(255,255,255,0.7);
  margin: var(--spacing-10) auto 0;
  padding: var(--spacing-6);
  border-left: none;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  border-radius: 0;
  position: relative;
  z-index: 1;
}

.hero__quote cite {
  color: var(--color-gold);
  font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.cards {
  display: grid;
  gap: var(--spacing-6);
  grid-template-columns: 1fr;
}

.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-gray-100);
  position: relative;
}

/* Gold accent stripe at top of cards */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.card:hover::before {
  opacity: 1;
}

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card__content {
  padding: var(--spacing-8) var(--spacing-6);
}

.card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-5);
  opacity: 0.85;
  transition: all var(--transition-normal);
}

.card:hover .card__icon {
  opacity: 1;
  transform: scale(1.08);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-3);
}

.card__description {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.card__link {
  display: inline-flex;
  align-items: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.card__link::after {
  content: ' \2192';
  margin-left: var(--spacing-2);
  transition: margin-left var(--transition-normal);
}

.card__link:hover { text-decoration: none; }
.card__link:hover::after { margin-left: var(--spacing-3); }

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
  display: grid;
  gap: var(--spacing-10);
  align-items: center;
}

.about__content h2 {
  margin-bottom: var(--spacing-6);
}

.about__content p {
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
}

.about__image {
  position: relative;
  display: inline-block;
  justify-self: center;
}

/* Decorative accent shape behind about image */
.about__image::before {
  content: '';
  position: absolute;
  top: -8px;
  right: -8px;
  bottom: -8px;
  left: -8px;
  border: 2px solid var(--color-gold);
  border-radius: var(--border-radius-xl);
  opacity: 0.4;
  z-index: 0;
}

.about__image img {
  display: block;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Article Styles (Research/Publications)
   -------------------------------------------------------------------------- */
.article {
  background: var(--color-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-6) var(--spacing-8);
  margin-bottom: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--color-accent);
  transition: all var(--transition-normal);
  position: relative;
}

.article:hover {
  box-shadow: var(--shadow-lg);
  border-left-color: var(--color-gold);
  transform: translateX(6px);
}

.article__title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2);
}

.article__meta {
  font-size: var(--font-size-sm);
  color: var(--color-gold);
  margin-bottom: var(--spacing-3);
  font-weight: var(--font-weight-semibold);
}

.article__description {
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
}

.article__link {
  display: inline-flex;
  align-items: center;
  margin-top: var(--spacing-4);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Credentials
   -------------------------------------------------------------------------- */
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.credential {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
  text-align: center;
  padding: var(--spacing-20) 0;
}

.contact h2 {
  margin-bottom: var(--spacing-4);
}

.contact > .container > p {
  color: var(--color-text-light);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.contact__email {
  display: inline-block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  padding: var(--spacing-4) var(--spacing-10);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-accent);
  letter-spacing: 0.01em;
}

.contact__email:hover {
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-500);
  padding: var(--spacing-10) 0;
  text-align: center;
}

.footer__text {
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

.footer a { color: var(--color-gray-400); }
.footer a:hover { color: var(--color-white); }

/* --------------------------------------------------------------------------
   Photo Grid
   -------------------------------------------------------------------------- */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.photo-grid--sm {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.photo-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  position: relative;
}

.photo-grid img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  transition: transform var(--transition-slow);
}

.photo-grid figure:hover img {
  transform: scale(1.05);
}

.photo-grid figcaption {
  text-align: center;
  margin-top: var(--spacing-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* --------------------------------------------------------------------------
   About Image
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   Brand Logos
   -------------------------------------------------------------------------- */
.brand-logo {
  max-width: 500px;
  width: 100%;
  border-radius: var(--border-radius-lg);
  margin: 0 auto;
}

.brand-logo--wide {
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   Audio Player
   -------------------------------------------------------------------------- */
.audio-player {
  width: 100%;
  margin-top: var(--spacing-4);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.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;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  :root { --container-padding: var(--spacing-8); }

  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }

  .section { padding: var(--spacing-20) 0; }

  .section--primary { padding: var(--spacing-20) 0; }

  .hero { padding: var(--spacing-24) 0 var(--spacing-20); }

  .hero__image { width: 180px; height: 180px; }
  .hero__title { font-size: var(--font-size-5xl); }
  .hero__subtitle { font-size: var(--font-size-xl); }

  .cards { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr 1fr; }

  .article { padding: var(--spacing-8) var(--spacing-10); }
}

@media (min-width: 992px) {
  :root { --container-padding: var(--spacing-10); }

  .nav { display: block; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none; }

  .hero__title { font-size: var(--font-size-6xl); }
  .cards { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
  .section { padding: var(--spacing-24) 0; }
  .hero { padding: 7rem 0 6rem; }
  .hero__image { width: 200px; height: 200px; }
  .cards--5 { grid-template-columns: repeat(5, 1fr); }
}

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */
@media print {
  .header, .menu-toggle, .mobile-nav { display: none; }
  .main { padding-top: 0; }
  .hero { background: none; color: var(--color-text-dark); padding: var(--spacing-8) 0; }
  .hero__title, .hero__subtitle { color: var(--color-text-dark); }
  .card { box-shadow: none; border: 1px solid var(--color-border); }
  .card::before { display: none; }
  .reveal { opacity: 1; transform: none; }
}