/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg-alt: #f9f9f9;
  --border: #e8e8e8;
  --border-dark: #d0d0d0;
  --text: #111111;
  --text-mid: #444444;
  --text-muted: #777777;
  --text-faint: #aaaaaa;
  --btn-dark: #1a1a1a;
  --btn-dark-hover: #333333;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 16px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #f0f0f0; }
::-webkit-scrollbar-thumb { background: #cccccc; border-radius: 3px; }

/* ===== LAYOUT ===== */
.container { max-width: 1080px; margin: 0 auto; padding: 0 28px; }
.section { padding: 90px 0 80px; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: 8px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: -0.01em;
}

/* ===== BUTTONS ===== */
.btn-pill {
  display: inline-block;
  padding: 13px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  text-align: center;
}
.btn-dark {
  background: var(--btn-dark);
  color: #ffffff;
  border-color: var(--btn-dark);
}
.btn-dark:hover { background: var(--btn-dark-hover); border-color: var(--btn-dark-hover); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-dark);
}
.btn-outline:hover { border-color: var(--text); background: #f4f4f4; }

.btn-full { width: 100%; display: block; }

/* ===== SOCIAL ICONS ===== */
.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--text);
  color: #ffffff;
  transition: var(--transition);
}
.social-icon svg { width: 18px; height: 18px; }
.social-icon:hover { background: #444; transform: translateY(-2px); }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
#navbar.scrolled { border-bottom-color: var(--border); }

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-right: auto;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 400;
  color: var(--text-mid);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.mobile-menu.open { display: flex; }
.mobile-menu li a {
  display: block;
  padding: 14px 28px;
  font-size: 15px;
  color: var(--text-mid);
  border-bottom: 1px solid var(--border);
}
.mobile-menu li a:hover { color: var(--text); background: var(--bg-alt); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 28px 60px;
  background: var(--bg);
}

.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
  width: 100%;
}

.hero-photo { flex-shrink: 0; }

.photo-circle {
  width: 280px; height: 280px;
  border-radius: 50%;
  overflow: hidden;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.photo-circle img { width: 100%; height: 100%; object-fit: cover; }
.photo-placeholder {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  color: #aaaaaa;
  letter-spacing: 0.02em;
}

.hero-text { flex: 1; }

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text-mid);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-socials { display: flex; gap: 12px; }

/* ===== CHEVRON DIVIDER ===== */
.chevron-divider {
  display: flex;
  justify-content: center;
  padding: 8px 0 0;
}
.chevron-divider svg {
  width: 28px;
  opacity: 0.5;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 72px;
  align-items: start;
}

.about-photo-frame {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  overflow: hidden;
  background: #eeeeee;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.about-photo-placeholder {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: #cccccc;
}

.about-right { display: flex; flex-direction: column; gap: 28px; }

.about-cards { display: flex; gap: 16px; }

.about-card {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}
.about-card-icon svg { width: 28px; height: 28px; margin-bottom: 4px; color: var(--text-mid); }
.about-card strong { font-size: 15px; font-weight: 600; color: var(--text); }
.about-card span { font-size: 13px; color: var(--text-muted); font-family: var(--font-mono); line-height: 1.5; }

.about-bio {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.9;
}

/* ===== EXPERIENCE ===== */
.exp-work-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.exp-work-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.exp-work-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.work-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.work-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.work-company { font-size: 13px; color: var(--text-muted); font-family: var(--font-mono); }
.work-date {
  font-size: 12px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  white-space: nowrap;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
}

.work-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.work-bullets li {
  font-size: 13.5px;
  color: var(--text-mid);
  padding-left: 16px;
  position: relative;
  line-height: 1.65;
}
.work-bullets li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--text-faint);
  font-size: 16px;
  line-height: 1.5;
}
.work-bullets li strong { color: var(--text); }

/* ===== SKILLS CARDS ===== */
.skills-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.skills-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.skills-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.skills-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  margin-bottom: 28px;
}

.skills-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.skill-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.skill-check {
  color: var(--text);
  font-size: 18px;
  line-height: 1.3;
  flex-shrink: 0;
}
.skill-item strong { font-size: 14px; font-weight: 600; color: var(--text); display: block; }
.skill-level { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.project-img {
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
}
.project-img--blue   { background: linear-gradient(135deg, #dbeafe, #bfdbfe); }
.project-img--purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); }
.project-img--green  { background: linear-gradient(135deg, #dcfce7, #bbf7d0); }

.project-img-icon { font-size: 48px; }
.project-img-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mid);
  background: rgba(255,255,255,0.7);
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

.project-body { padding: 24px; }
.project-body h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.project-body p {
  font-size: 13.5px;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 16px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.project-tags span {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-mid);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}

.contact-intro {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.85;
  margin-bottom: 28px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-mid);
}
.contact-detail a:hover { color: var(--text); text-decoration: underline; }
.contact-detail-icon svg {
  width: 20px; height: 20px;
  color: var(--text-mid);
  flex-shrink: 0;
}

.contact-socials { display: flex; gap: 12px; margin-top: 24px; }

/* ===== FORM ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-mid);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group input:focus,
.form-group textarea:focus { border-color: #999999; }

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 36px 28px;
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 13px; color: var(--text-faint); font-family: var(--font-mono); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-photo-frame { width: 260px; aspect-ratio: 1; border-radius: 50%; }
  .about-photo { display: flex; justify-content: center; }

  .exp-work-grid,
  .skills-cards-grid { grid-template-columns: 1fr; }

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

  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-inner { flex-direction: column; gap: 36px; text-align: center; }
  .hero-btns, .hero-socials { justify-content: center; }
  .photo-circle { width: 200px; height: 200px; }

  .projects-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .skills-list { grid-template-columns: 1fr; }
  .about-cards { flex-direction: column; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-greeting  { animation: fadeUp 0.5s ease 0.1s both; }
.hero-name      { animation: fadeUp 0.5s ease 0.2s both; }
.hero-role      { animation: fadeUp 0.5s ease 0.3s both; }
.hero-btns      { animation: fadeUp 0.5s ease 0.4s both; }
.hero-socials   { animation: fadeUp 0.5s ease 0.5s both; }

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }