/* ==========================================================================
   Marion Böing Portfolio - Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Self-hosted Fonts
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-400-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/cormorant-garamond-600.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/dm-sans-400.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/dm-sans-500.woff2') format('woff2');
}

@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/dm-sans-600.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */

:root {
  /* Colors */
  --color-black: #1A1A1A;
  --color-dark-gray: #4A4A4A;
  --color-medium-gray: #666666;
  --color-light-gray: #E5E5E5;
  --color-background: #FAFAFA;
  --color-white: #FFFFFF;

  /* Accent: Orange */
  --color-accent: #c2410c;
  --color-accent-light: #ea580c;
  --color-accent-dark: #9a3412;
  --color-accent-10: rgba(194, 65, 12, 0.1);
  --color-accent-20: rgba(194, 65, 12, 0.2);

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Font Sizes (fluid) - minimum 14px */
  --text-xs: 0.875rem;
  --text-sm: 1rem;
  --text-base: 1.125rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.75rem;
  --text-3xl: clamp(1.75rem, 4vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 5vw, 2.75rem);
  --text-5xl: clamp(2.75rem, 6vw, 3.75rem);
  --text-6xl: clamp(3.25rem, 8vw, 4.75rem);

  /* Line Heights */
  --leading-tight: 1.1;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-padding: clamp(1rem, 5vw, 2rem);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */

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

* {
  margin: 0;
}

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

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

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-sm);
  border-radius: 4px;
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

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

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-light-gray);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--container-padding);
}

.header__logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-black);
  transition: color var(--transition-fast);
}

.header__logo:hover {
  color: var(--color-accent);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.lang-switch {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-light-gray);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.lang-switch:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.header__contact {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-white);
  background-color: var(--color-accent);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  transition: background-color var(--transition-fast);
}

.header__contact:hover {
  background-color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   Section (Generic)
   -------------------------------------------------------------------------- */

.section {
  padding: var(--space-3xl) 0;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  line-height: var(--leading-tight);
  margin-bottom: var(--space-xl);
  color: var(--color-black);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */

.section--hero {
  padding: var(--space-4xl) 0;
  display: flex;
  align-items: center;
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__content {
    grid-template-columns: 1fr 300px;
    gap: var(--space-2xl);
  }
}

@media (min-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr 380px;
    gap: var(--space-3xl);
  }
}

.hero__text {
  order: 2;
}

@media (min-width: 768px) {
  .hero__text {
    order: 1;
  }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-black);
  max-width: 19ch;
  margin-bottom: var(--space-lg);
}

.hero__intro {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-dark-gray);
  max-width: 65ch;
}

.hero__image {
  order: 1;
  display: flex;
  justify-content: center;
  background-color: #F0F0F0;
  border-radius: 12px;
  padding: 4px;
}

@media (min-width: 768px) {
  .hero__image {
    order: 2;
    justify-content: flex-end;
  }
}

.hero__image img {
  width: 100%;
  max-width: 280px;
  border: none;
  outline: none;
  box-shadow: none;
  border-radius: 12px;
}

@media (min-width: 768px) {
  .hero__image img {
    max-width: 300px;
  }
}

@media (min-width: 1024px) {
  .hero__image img {
    max-width: 380px;
  }
}

/* --------------------------------------------------------------------------
   Fundamentals Section
   -------------------------------------------------------------------------- */

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

.fundamentals__content p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-dark-gray);
  margin-bottom: var(--space-lg);
}

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

/* --------------------------------------------------------------------------
   Process Section
   -------------------------------------------------------------------------- */

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

.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.process-card {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: 8px;
  border: 1px solid var(--color-light-gray);
  transition: all var(--transition-base);
}

.process-card:hover {
  border-color: var(--color-accent-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.process-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
}

.process-card__icon img {
  width: 100%;
  height: 100%;
}

.process-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.process-card__description {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-dark-gray);
}

/* --------------------------------------------------------------------------
   Projects Section
   -------------------------------------------------------------------------- */

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

.projects__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.project {
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-light-gray);
}

.project:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.project__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.project__name {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
}

.project__name a {
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

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

.project__period {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

.project__via {
  font-style: italic;
}

.project__via::before {
  content: ' ';
}

.project__description {
  font-size: var(--text-lg);
  color: var(--color-dark-gray);
  margin-bottom: var(--space-sm);
  max-width: 75ch;
}

.project__role {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-dark-gray);
  margin-bottom: var(--space-sm);
}

.project__tasks {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.project__tasks li {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  padding-left: var(--space-md);
  position: relative;
}

.project__tasks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Additional Projects (compact) */

.projects__additional-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-medium-gray);
  margin-bottom: var(--space-lg);
}

.projects__additional-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.project-compact {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-light-gray);
}

.project-compact:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.project-compact__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.project-compact__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.project-compact__name:hover {
  color: var(--color-accent-dark);
}

.project-compact__period {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
}

.project-compact__description {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  max-width: 75ch;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */

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

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

.about__content p {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-dark-gray);
  margin-bottom: var(--space-lg);
}

.about__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.about__detail h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.about__detail ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.about__detail li {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--space-2xl) 0;
}

.footer__content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__contact h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.footer__email {
  font-size: var(--text-lg);
  color: var(--color-accent-light);
  transition: color var(--transition-fast);
}

.footer__email:hover {
  color: var(--color-accent);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-white);
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-medium-gray);
  transition: color var(--transition-fast);
}

.footer__social a:hover {
  color: var(--color-white);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-medium-gray);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-dark-gray);
}

/* --------------------------------------------------------------------------
   Screen Reader Only (Accessibility)
   -------------------------------------------------------------------------- */

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

/* --------------------------------------------------------------------------
   Focus States (Accessibility)
   -------------------------------------------------------------------------- */

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  .section {
    padding: var(--space-2xl) 0;
  }

  .section--hero {
    padding: var(--space-2xl) 0;
    min-height: auto;
  }

  .process__grid {
    grid-template-columns: 1fr;
  }

  .project__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .project-compact__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .footer__content {
    flex-direction: column;
  }
}

/* --------------------------------------------------------------------------
   Reduced Motion (Accessibility)
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */

@media print {
  .header,
  .skip-link,
  .lang-switch {
    display: none;
  }

  .section {
    padding: var(--space-lg) 0;
    break-inside: avoid;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: var(--text-xs);
  }
}