/* essba.ch - warm minimalist static portfolio */

/* Gilbert Color: download from https://www.typewithpride.com/
   Place the file at assets/fonts/Gilbert-Color.otf
   The page falls back gracefully if the file is missing. */
@font-face {
  font-family: 'Gilbert Color';
  src: url('../assets/fonts/Gilbert-Color.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #FBF8F3;
  --bg-soft: #F2EBDF;
  --fg: #2A2520;
  --fg-muted: rgba(42, 37, 32, 0.70);
  --fg-faint: rgba(42, 37, 32, 0.45);
  --accent: #D4633F;
  --accent-soft: #F0A985;
  --card-bg: #FFFFFF;
  --card-border: rgba(42, 37, 32, 0.09);
  --card-border-hover: rgba(212, 99, 63, 0.40);
  --card-shadow: 0 1px 2px rgba(42, 37, 32, 0.04), 0 10px 28px rgba(42, 37, 32, 0.06);
  --card-shadow-hover: 0 2px 4px rgba(42, 37, 32, 0.05), 0 18px 40px rgba(42, 37, 32, 0.10);
  --badge-ios-bg: #ECE6FA;
  --badge-ios-fg: #5B3FB8;
  --badge-macos-bg: #DEF3E5;
  --badge-macos-fg: #1F7A47;
  --badge-web-bg: #FCE7D5;
  --badge-web-fg: #B8541F;
  --portrait-glow: rgba(240, 169, 133, 0.40);
  --rainbow: linear-gradient(90deg, #E40303 0%, #FF8C00 18%, #FFED00 36%, #008026 56%, #004CFF 76%, #732982 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #19140F;
    --bg-soft: #221C15;
    --fg: #F5EFE6;
    --fg-muted: rgba(245, 239, 230, 0.72);
    --fg-faint: rgba(245, 239, 230, 0.42);
    --accent: #F0A985;
    --accent-soft: #F4C0A4;
    --card-bg: #241D16;
    --card-border: rgba(245, 239, 230, 0.10);
    --card-border-hover: rgba(240, 169, 133, 0.45);
    --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.28);
    --card-shadow-hover: 0 2px 4px rgba(0, 0, 0, 0.35), 0 18px 40px rgba(0, 0, 0, 0.38);
    --badge-ios-bg: rgba(139, 109, 232, 0.18);
    --badge-ios-fg: #B8A4F0;
    --badge-macos-bg: rgba(72, 187, 120, 0.18);
    --badge-macos-fg: #8FE1B0;
    --badge-web-bg: rgba(240, 169, 133, 0.18);
    --badge-web-fg: #F0A985;
    --portrait-glow: rgba(240, 169, 133, 0.28);
    --rainbow: linear-gradient(90deg, #FF5252 0%, #FFB347 18%, #FFE66D 36%, #4ADE80 56%, #60A5FA 76%, #C084FC 100%);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.65;
}

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

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Display headlines use Gilbert Color, with warm sans fallback */
.display {
  font-family: 'Gilbert Color', 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
}

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

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 8rem 1.5rem 6rem;
}

.hero__inner {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.hero__title {
  font-size: clamp(4rem, 12vw, 8rem);
}

.hero__intro {
  font-size: 1.25rem;
  font-weight: 400;
  max-width: 36rem;
  color: var(--fg);
}

.hero__philosophy {
  font-size: 1.125rem;
  font-weight: 500;
  font-style: italic;
  color: var(--fg);
  max-width: 36rem;
  padding-left: 1.5rem;
  position: relative;
}

.hero__philosophy::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 3px;
  border-radius: 3px;
  background: var(--rainbow);
}

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

.projects {
  padding: 6rem 1.5rem;
  background: var(--bg-soft);
}

.projects__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-bottom: 3.5rem;
  display: inline-block;
  position: relative;
  padding-bottom: 0.6rem;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: var(--rainbow);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1000px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.875rem;
  border-radius: 28px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* Rainbow gradient ring revealed on hover */
.card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 2px;
  background: var(--rainbow);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
}

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

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  background: var(--bg-soft);
  border: 1px solid var(--card-border);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.card__link svg {
  width: 14px;
  height: 14px;
}

.card__link:hover,
.card__link:focus-visible {
  background: var(--card-bg);
  color: var(--accent);
  border-color: var(--accent);
}

.card__icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(42, 37, 32, 0.14);
}

.card__icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__icon .icon-dark { display: none; }

@media (prefers-color-scheme: dark) {
  .card__icon .icon-light { display: none; }
  .card__icon .icon-dark { display: block; }
}

.card__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.4rem;
}

.card__title {
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0;
}

.badge--ios {
  background: var(--badge-ios-bg);
  color: var(--badge-ios-fg);
}

.badge--macos {
  background: var(--badge-macos-bg);
  color: var(--badge-macos-fg);
}

.badge--web {
  background: var(--badge-web-bg);
  color: var(--badge-web-fg);
}

.card__icon--photo {
  background: var(--rainbow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.card__icon--photo svg {
  width: 34px;
  height: 34px;
}

.card__desc {
  font-size: 0.975rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--fg-muted);
}



/* ---------- Contact ---------- */

.contact {
  padding: 7rem 1.5rem;
  text-align: center;
}

.contact__inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.contact__portrait {
  position: relative;
  width: 180px;
  height: 180px;
  padding: 4px;
  border-radius: 50%;
  background: var(--rainbow);
  box-shadow: 0 14px 36px rgba(42, 37, 32, 0.18);
}

.contact__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  background: var(--card-bg);
}

.contact__portrait::before {
  content: '';
  position: absolute;
  inset: -1.5rem;
  background: var(--portrait-glow);
  filter: blur(40px);
  border-radius: 50%;
  z-index: -1;
}

.contact__title {
  margin: 0;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 600px) {
  .contact__links {
    flex-direction: row;
    gap: 4.5rem;
  }
}

.contact__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.contact__icon {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--fg);
  box-shadow: var(--card-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.contact__icon svg {
  transition: stroke 0.25s ease;
}

.contact__link:hover .contact__icon,
.contact__link:focus-visible .contact__icon {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}

.contact__link:hover .contact__icon svg.icon--mail,
.contact__link:focus-visible .contact__icon svg.icon--mail {
  stroke: url(#rainbow-mail);
}

.contact__link:hover .contact__icon svg.icon--linkedin,
.contact__link:focus-visible .contact__icon svg.icon--linkedin {
  stroke: url(#rainbow-linkedin);
}

.contact__icon svg {
  width: 26px;
  height: 26px;
}

.contact__label {
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--fg);
}

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

.footer {
  padding: 3rem 1.5rem;
  text-align: center;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  border-radius: 3px;
  background: var(--rainbow);
  opacity: 0.7;
}

.footer p {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-faint);
}

.footer__lang {
  margin-top: 0.5rem;
}

.footer__lang a {
  color: var(--fg-faint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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