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

:root {
  --color-bg: #f9f7f4;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-accent: #3d5a80;
  --color-accent-light: #e0e9f5;
  --color-border: #e4e0db;
  --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
  --transition: 0.2s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.75;
}

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

/* Layout */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.site-nav {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
  opacity: 1;
}

/* Hero */
.hero {
  padding: 80px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 48px;
  align-items: center;
}

.hero-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.hero-name {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-accent);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color var(--transition);
}

.hero-cta:hover {
  background-color: #2c4260;
  opacity: 1;
}

.hero-image img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow);
}

/* Section */
.section {
  padding: 60px 0;
}

.section + .section {
  border-top: 1px solid var(--color-border);
}

.section-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.section-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 8px;
  border-radius: 2px;
}

/* About Cards */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.info-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.info-card-value {
  font-size: 1rem;
  font-weight: 600;
}

/* Skills / Tag list */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Works Grid */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}

.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.work-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.work-card-body {
  padding: 18px 20px 22px;
}

.work-card-category {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.work-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.work-card-desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* Hobby Section */
.hobby-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.hobby-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.hobby-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}

.hobby-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.hobby-item p {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Contact */
.contact-intro {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 36px;
  max-width: 520px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.contact-row-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  width: 80px;
  flex-shrink: 0;
}

.contact-row-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 540px;
}

.contact-form h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.btn-submit {
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 11px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition);
}

.btn-submit:hover {
  background-color: #2c4260;
}

/* Page Header */
.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.page-header p {
  font-size: 1rem;
  color: var(--color-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: 80px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Responsive */
@media (max-width: 600px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    width: 140px;
    height: 140px;
    margin: 0 auto;
  }

  .hero-name {
    font-size: 2rem;
  }

  .nav-links {
    gap: 20px;
  }
}