/* ========== APPLE-INSPIRED BASE RESET ========== */
:root {
  --apple-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --color-bg: #f5f5f7;
  --color-bg-card: #fff;
  --color-text: #1d1d1f;
  --color-text-light: #3c3c4399;
  --color-border: #e5e5ea;
  --color-grey: #aaa;
  --color-link: #222; /* liens neutres */
  --color-link-hover: #111;
  --color-chip-bg: #ececec;
  --color-chip-text: #1d1d1f;
  --color-chip-project: #e8eaf0;
}

/* ---- DARK MODE (auto sur .dark) ---- */
.dark {
  --color-bg: #1b1b1e;
  --color-bg-card: #232326;
  --color-text: #f5f5f7;
  --color-text-light: #bbb;
  --color-border: #29292d;
  --color-grey: #555;
  --color-link: #ededf5;
  --color-link-hover: #fff;
  --color-chip-bg: #29292d;
  --color-chip-text: #ededf5;
  --color-chip-project: #313138;
}

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

html, body {
  font-family: var(--apple-font);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 17px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

/* ====================== TYPO ====================== */
h1, h2, h3, h4 {
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
  margin-top: 0;
}
h1 { font-size: 2.5rem; margin-bottom: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 2rem; }
h3 { font-size: 1.3rem; margin-bottom: 1.1rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.8rem; font-weight: 600; letter-spacing: 0.01em; }

p, li { color: var(--color-text-light); font-weight: 400; font-size: 1.07rem; }

a {
  color: var(--color-link);
  text-decoration: underline dotted var(--color-grey);
  transition: color 0.18s;
}
a:hover, a:focus-visible {
  color: var(--color-link-hover);
  text-decoration: underline solid var(--color-link-hover);
  outline: none;
}

/* ====================== LAYOUT ====================== */
section {
  margin-bottom: 4rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.container, .main-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ====================== SCHOOL CARDS ====================== */
.school-card {
  background: var(--color-bg-card);
  border-radius: 32px;
  box-shadow: 0 8px 32px rgb(0 0 0 / 0.09);
  padding: 2.5rem 2rem 2rem 2rem;
  margin-bottom: 2.7rem;
  border: 1px solid var(--color-border);
  transition: background 0.3s, box-shadow 0.2s;
}

.school-logo {
  display: block;
  width: 150px;
  height: 150px;
  object-fit: contain;
  border-radius: 28px;
  margin: 0 auto 1.5rem auto;
  background: #fafafd;
  box-shadow: 0 2px 16px rgba(80,80,80,0.06);
  transition: box-shadow 0.23s;
}

.school-title {
  font-size: 1.45rem;
  text-align: center;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}
.school-years {
  color: var(--color-grey);
  text-align: center;
  margin-bottom: 0.75rem;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
}
.school-badge {
  display: inline-block;
  margin: 0 auto 1.3rem auto;
  padding: 0.35em 1.2em;
  border-radius: 1em;
  font-size: 1rem;
  background: var(--color-chip-bg);
  color: var(--color-chip-text);
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.01em;
}

/* ====================== CHIPS/BADGES ====================== */
.chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.7rem;
}
.chip {
  background: var(--color-chip-bg);
  color: var(--color-chip-text);
  font-size: 1.02rem;
  padding: 0.37em 1.2em;
  border-radius: 1.2em;
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  box-shadow: 0 2px 10px rgb(0 0 0 / 0.05);
  transition: background 0.18s, color 0.18s;
}
.chip.project {
  background: var(--color-chip-project);
  font-style: italic;
}
.chip a {
  color: inherit !important;
  text-decoration: underline dotted var(--color-grey);
  font-weight: 500;
}

/* ====================== SEMESTER TITLES ====================== */
.semester-title {
  font-weight: 600;
  color: var(--color-text);
  margin: 2.1rem 0 0.8rem 0;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}

/* ====================== DIVERS ====================== */
.divider {
  height: 1px;
  border: none;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: 2.5rem auto 2.5rem auto;
  width: 90%;
}

.apple-link {
  color: var(--color-link);
  text-decoration: underline dotted var(--color-grey);
  font-weight: 500;
  transition: color 0.18s;
}
.apple-link:hover {
  color: var(--color-link-hover);
  text-decoration: underline solid var(--color-link-hover);
}

/* ====================== FADE-IN ANIMATION ====================== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.8s, transform 0.8s; }
.fade-in.visible { opacity: 1; transform: none; }

/* ====================== NAV/FOOTER ====================== */
footer, header {
  background: var(--color-bg-card);
  color: var(--color-grey);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 1rem;
  text-align: center;
  font-size: 1rem;
  user-select: none;
}

footer a, header a {
  color: var(--color-link);
  font-weight: 500;
  text-decoration: none;
  margin: 0 0.5em;
}
footer a:hover, header a:hover { color: var(--color-link-hover); text-decoration: underline; }

.portfolio-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin: 2rem auto 0 auto;
  max-width: 700px;
}
@media (min-width: 600px) {
  .portfolio-nav { grid-template-columns: repeat(4, 1fr); }
}
.portfolio-nav a {
  background: var(--color-bg-card);
  border-radius: 14px;
  box-shadow: 0 2px 12px rgb(0 0 0 / 0.07);
  padding: 0.7rem 0.2rem 0.4rem 0.2rem;
  color: var(--color-link);
  font-weight: 500;
  transition: background 0.2s;
}
.portfolio-nav a:hover { background: var(--color-chip-bg); color: var(--color-link-hover); }

.portfolio-nav img {
  width: 70px;
  height: 70px;
  object-fit: contain;
  margin: 0 auto 0.4rem auto;
  background: transparent;
  border-radius: 9px;
  box-shadow: 0 1px 8px rgb(0 0 0 / 0.04);
  display: block;
}

@media (max-width: 600px) {
  .school-logo { width: 110px; height: 110px; }
  .container, .main-container { padding: 1rem 0.3rem; }
}

::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: #ddd; border-radius: 7px; }

/* ========== END ========== */