/* Fonts */
@font-face {
  font-family: "Lora";
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/lora-latin-400-normal.woff2") format("woff2");
}

@font-face {
  font-family: "Lora";
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/lora-latin-700-normal.woff2") format("woff2");
}

/* Colors */
:root {
  color-scheme: light dark;

  --primary: #e46ca7;
  --primary-lighter: #ff8fca;
  --secondary: #44a095;
  --secondary-lighter: #8ac4c0;

  --ink: #111111;
  --ink-soft: #222222;
  --ink-muted: #444444;
  --paper: #fffff6;
  --paper-soft: #fbfbf2;
  --blush: #f2e8e9;

  /* Semantic tokens (light) */
  --bg: var(--paper);
  --text: var(--ink-soft);
  --heading: var(--ink);
  --card: var(--paper-soft);
  --card-alt: #f2e8e999;
  --border: var(--blush);
  --link: var(--secondary);
  --accent: var(--primary);
  --footer: var(--primary);
  --execut: var(--ink);

  --serif: "Lora", Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--ink);
    --text: var(--paper);
    --heading: var(--paper-soft);
    --card: var(--ink-soft);
    --card-alt: var(--ink-soft);
    --border: var(--ink-muted);
    --link: var(--secondary-lighter);
    --accent: var(--primary-lighter);
    --footer: var(--ink-soft);
    --execut: #000;
  }
}

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

html {
  scroll-behavior: smooth;
  text-size-adjust: none;
  hanging-punctuation: first allow-end last;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--primary-lighter);
  color: var(--paper);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--heading);
  text-wrap: balance;
}

p {
  margin: 0 0 1rem;
  text-wrap: pretty;
  overflow-wrap: break-word;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.link {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  text-underline-offset: 2px;
  transition: opacity 0.15s;
}

.link:hover {
  opacity: 0.8;
}

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

.container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100svh;
}

.brand {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  z-index: 1;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.375rem 1rem 0.375rem 0.375rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 1px 3px #0002;
  backdrop-filter: blur(8px);
}

.brand svg {
  width: 2rem;
  height: 2rem;
  fill: var(--primary);
}

.panels {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.panel {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 7rem 1.5rem 3rem;
  color: var(--paper);
  text-decoration: none;
  transition: flex-grow 0.5s ease-out;
}

.panel:focus-visible {
  outline: 3px solid var(--paper);
  outline-offset: -6px;
}

.panel--studytrip {
  --tint: var(--secondary);
  --photo: url("/assets/images/studiereis.webp");
  --photo-position: center 40%;
  background: var(--secondary);
}

.panel--execut {
  --tint: var(--execut);
  --photo: url("/assets/images/execut.webp");
  --photo-position: 30% center;
  background: var(--execut);
}

/* Photo, slowly zooms in on hover */
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--photo) var(--photo-position) / cover no-repeat;
  transition: transform 0.8s ease-out;
}

.panel:hover::before {
  transform: scale(1.05);
}

/* Tint in the panel color so the text stays readable */
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    var(--tint) 0%,
    color-mix(in srgb, var(--tint) 90%, transparent) 35%,
    color-mix(in srgb, var(--tint) 45%, transparent) 65%,
    color-mix(in srgb, var(--tint) 15%, transparent) 100%
  );
}

.panel > * {
  position: relative;
  z-index: 1;
  text-shadow: 0 1px 12px #0006;
}

.panel__eyebrow {
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
}

.panel__title {
  margin-bottom: 1rem;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1;
}

.panel--execut .panel__title {
  font-family: var(--mono);
  letter-spacing: -0.025em;
}

.panel__text {
  max-width: 28rem;
  margin-bottom: 2rem;
  font-size: 1.125rem;
  line-height: 1.6;
  opacity: 0.85;
}

.panel__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid color-mix(in srgb, currentColor 40%, transparent);
  font-weight: 700;
  transition: border-color 0.2s;
}

.panel:hover .panel__cta,
.panel:focus-visible .panel__cta {
  border-color: currentColor;
}

.arrow {
  display: inline-block;
  transition: transform 0.3s;
}

a:hover .arrow {
  transform: translateX(0.25rem);
}

.scroll-hint {
  display: none;
}

@media (min-width: 768px) {
  .brand {
    left: max(1.5rem, calc((100% - 80rem) / 2 + 1.5rem));
    transform: none;
  }

  .panels {
    flex-direction: row;
  }

  .panel {
    padding: 7rem 2.5rem 8rem;
  }

  .panel:hover {
    flex-grow: 1.35;
  }

  .scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    z-index: 1;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.5rem 0.5rem 0.5rem 1.375rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 4px 20px #0003;
    backdrop-filter: blur(8px);
    transition: transform 0.2s, box-shadow 0.2s;
    /* Pulse a few times shortly after load, then stay still */
    animation: hint-pulse 1.6s ease-out 1.5s 3;
  }

  .scroll-hint:hover,
  .scroll-hint:focus-visible {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 8px 28px #0004;
  }

  .scroll-hint:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
  }

  .scroll-hint__badge {
    display: grid;
    place-items: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--primary);
    color: var(--paper);
    transition: background 0.2s;
  }

  .scroll-hint__badge svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.2s;
    animation: hint-nudge 1.6s ease-in-out 1.5s 3;
  }

  .scroll-hint:hover .scroll-hint__badge,
  .scroll-hint:focus-visible .scroll-hint__badge {
    background: color-mix(in srgb, var(--primary) 80%, var(--ink));
  }

  .scroll-hint:hover .scroll-hint__badge svg,
  .scroll-hint:focus-visible .scroll-hint__badge svg {
    transform: translateY(3px);
  }
}

@media (min-width: 1024px) {
  .panel {
    padding-left: 4rem;
    padding-right: 4rem;
  }
}

@keyframes hint-pulse {
  0% {
    box-shadow: 0 4px 20px #0003, 0 0 0 0 color-mix(in srgb, var(--primary) 70%, transparent);
  }
  100% {
    box-shadow: 0 4px 20px #0003, 0 0 0 1.25rem color-mix(in srgb, var(--primary) 0%, transparent);
  }
}

@keyframes hint-nudge {
  0%,
  60%,
  100% {
    transform: none;
  }
  30% {
    transform: translateY(4px);
  }
}

/* Content */
main {
  padding: 2rem 0;
}

.section {
  display: grid;
  gap: 1rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.section:first-child {
  border-top: 0;
}

.section h2 {
  font-size: clamp(1.875rem, 4vw, 2.25rem);
}

.section__body {
  max-width: 48rem;
  min-width: 0;
}

.section h3 {
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.lead {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  color: var(--heading);
}

@media (min-width: 640px) {
  main {
    padding: 4rem 0;
  }
}

@media (min-width: 768px) {
  .section {
    padding: 3.5rem 0;
  }
}

@media (min-width: 1024px) {
  .section {
    grid-template-columns: 16rem 1fr;
    gap: 3rem;
  }

  .section h2 {
    position: sticky;
    top: 2rem;
    align-self: start;
  }
}

/* Ledger: label/value rows separated by hairlines */
.ledger {
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--border);
}

.ledger > div {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 640px) {
  .ledger > div {
    grid-template-columns: 13rem 1fr;
    gap: 1.5rem;
    align-items: baseline;
  }
}

.ledger dt {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.ledger dd {
  margin: 0;
  min-width: 0;
  color: var(--heading);
}

.ledger__mono {
  font-family: var(--mono);
  overflow-wrap: anywhere;
}

.ledger__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  color: inherit;
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
}

.ledger__hint {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--link);
}

.ledger__link:hover .ledger__hint {
  text-decoration: underline;
  text-underline-offset: 2px;
}

address {
  font-style: normal;
  line-height: 1.75;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 2rem 0;
  background: var(--footer);
  color: var(--paper);
  text-align: center;
}

.footer svg {
  width: 3rem;
  height: 3rem;
  fill: currentColor;
}

.footer p {
  margin-top: 1.5rem;
}

@media (min-width: 640px) {
  .footer {
    padding: 4rem 0;
  }
}

/* Error page */
.error {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
}

.error__logo {
  margin-bottom: 2rem;
  color: var(--primary);
}

.error__logo svg {
  display: block;
  width: 3.5rem;
  height: 3.5rem;
  fill: currentColor;
}

.error__code {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text);
  opacity: 0.7;
}

.error h1 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  line-height: 1.2;
}

.error__text {
  max-width: 28rem;
  margin-bottom: 2rem;
}

.error__home {
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--heading);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.15s;
}

.error__home:hover {
  opacity: 0.85;
}

/* Reveal-on-scroll (enabled by script.js) */
.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

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

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}