/* =========================
   Apple-style Light Theme
   ========================= */

:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --card-hover: #fafafa;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --radius: 18px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Base reset */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

/* Layout */
.container {
  width: min(1080px, 92%);
  margin: 0 auto;
}

/* =========================
   Header
   ========================= */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 245, 247, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  padding: 14px 0;
  gap: 24px;
}

.brand {
  font-size: 18px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.icons a {
  color: #1d1d1f;          /* icon color */
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icons svg {
  width: 28px;
  height: 28px;
  fill: currentColor;      /* THIS makes the path show */
}


/* Navigation */
.nav {
  display: flex;
  gap: 18px;
  margin-left: auto;
}

.nav a {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav a:hover {
  background: var(--card-hover);
  color: var(--text);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.lang-sep {
  color: var(--line);
}

.lang-link {
  color: var(--muted);
  transition: color 0.2s ease;
}

.lang-link:hover {
  color: var(--text);
}

.lang-active {
  font-weight: 600;
  color: var(--text);
}

/* =========================
   Hero
   ========================= */

.hero {
  padding: 80px 0 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0 0 15px;
  color: var(--muted);
  font-size: 17px;
}

.desc {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 60ch;
  font-size: 16px;
}

/* Social icons */
.icons {
  display: flex;
  gap: 12px;
}

.icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  transition: background 0.2s ease, transform 0.2s ease;
}

.icon:hover {
  background: var(--card-hover);
  transform: translateY(-2px);
}

.icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Hero image card */
.hero-card {
  background: #ffffff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px;
}

.avatar {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--line);
}

/* =========================
   Sections
   ========================= */

.section {
  padding: 72px 0;
}

.section h2 {
  margin: 0 0 20px;
  font-size: 24px;
  letter-spacing: -0.01em;
}

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease,
    background 0.2s ease;
}

.card:hover {
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.experience-head {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 14px;
}

.experience-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-width: 0;
}

.experience-head h3 {
  margin: 0;
  min-width: 0;
}

.experience-logo {
  width: 104px;
  height: auto;
  max-height: 46px;
  object-fit: contain;
  flex-shrink: 0;
}

.meta-inline {
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.card p {
  margin: 0 0 10px;
  color: var(--muted);
}

.card .meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

/* Card links */
.card-links {
  display: flex;
  gap: 12px;
  margin-top: 14px;
}

.card-links a {
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  transition: background 0.2s ease;
}

.card-links a:hover {
  background: var(--card-hover);
}

/* Grid & stack */
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.stack {
  display: grid;
  gap: 16px;
}

/* Link card (articles) */
.link-card {
  display: block;
}

/* =========================
   Footer
   ========================= */

.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .experience-logo {
    width: 88px;
    max-height: 40px;
  }

  .experience-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .meta-inline {
    white-space: normal;
  }

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

  .nav {
    display: none;
  }
}


.project-list {
  display: grid;
  gap: 28px;
}

.project-row {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 26px;
  align-items: center;
}

.project-text h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-one-line {
  margin: 0;
  color: var(--muted);
  max-width: 72ch;
}

/* Demo/GitHub buttons */
.project-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.icon-btn:hover {
  background: var(--card-hover);
  transform: translateY(-1px);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Image placeholder (leave space for a pic) */
.project-image {
  height: 170px;
  border-radius: 14px;
  background: #e5e5ea; /* Apple light gray placeholder */
  border: 1px solid var(--line);
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Responsive */
@media (max-width: 860px) {
  .project-row {
    grid-template-columns: 1fr;
  }
  .project-image {
    height: 200px;
  }
}