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

:root {
  --bg: #080808;
  --surface: #111111;
  --border: #1f1f1f;
  --text: #ffffff;
  --text-2: #888888;
  --text-3: #444444;
  --radius: 12px;
  --font: 'Inter', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

nav.scrolled { border-color: var(--border); }

.nav-name {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color 0.2s;
}

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

/* ── SECTIONS ── */
section { padding: 120px 48px; max-width: 1100px; margin: 0 auto; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 120px;
  padding-bottom: 80px;
  max-width: none;
  padding-left: 48px;
  padding-right: 48px;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 32px;
}

.hero-name {
  font-size: clamp(4rem, 11vw, 10rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  margin-bottom: 40px;
}

.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-2);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
}

.btn-primary:hover { background: #e0e0e0; }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn-ghost:hover { border-color: #444; color: var(--text); }

.scroll-hint {
  margin-top: auto;
  padding-top: 80px;
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-hint::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--text-3);
}

/* ── DIVIDER ── */
hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

/* ── SECTION LABEL ── */
.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 48px;
}

/* ── ABOUT ── */
#about .about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-heading {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.about-body p {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-body p:last-child { margin-bottom: 0; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.tag {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-2);
}

/* ── PROJECTS ── */
#projects .projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.projects-heading {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.see-all {
  font-size: 0.875rem;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.see-all:hover { color: var(--text); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}

.project-card:hover {
  border-color: #333;
  transform: translateY(-2px);
}

.project-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-icon {
  width: 40px; height: 40px;
  background: var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.project-arrow {
  color: var(--text-3);
  font-size: 1rem;
  transition: color 0.2s;
}

.project-card:hover .project-arrow { color: var(--text); }

.project-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.project-tag {
  padding: 4px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--text-3);
}

/* ── BLOG SECTION ── */
#blog-section .blog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.blog-heading {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.blog-list { display: flex; flex-direction: column; gap: 1px; }

.blog-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.2s;
  cursor: pointer;
}

.blog-item:first-child { border-top: 1px solid var(--border); }

.blog-item:hover { padding-left: 8px; }

.blog-item-title {
  font-size: 1rem;
  font-weight: 500;
}

.blog-item-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.blog-item-date {
  font-size: 0.8rem;
  color: var(--text-3);
}

.blog-item-arrow {
  color: var(--text-3);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.blog-item:hover .blog-item-arrow { color: var(--text); }

/* ── CONTACT ── */
#contact {
  text-align: center;
}

.contact-heading {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 56px;
}

.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.form-field label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

.form-field input,
.form-field textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  resize: none;
}

.form-field input:focus,
.form-field textarea:focus { border-color: #444; }

.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-3); }

.contact-form .btn-primary {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 0.9rem;
  border-radius: 8px;
}

.form-status {
  font-size: 0.85rem;
  color: var(--text-2);
  text-align: center;
  min-height: 20px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-3);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text-2); }

/* ── BLOG PAGE ── */
.page-hero {
  padding: 160px 48px 80px;
  max-width: 1100px;
  margin: 0 auto;
}

.page-hero-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 24px;
}

.page-hero-title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 20px;
}

.page-hero-sub {
  font-size: 1rem;
  color: var(--text-2);
}

.blog-page-content {
  padding: 0 48px 120px;
  max-width: 1100px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, transform 0.2s;
  cursor: pointer;
}

.blog-card:hover {
  border-color: #333;
  transform: translateY(-2px);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.blog-card-date {
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.04em;
}

.blog-card-tag {
  font-size: 0.72rem;
  color: var(--text-3);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
}

.blog-card-read {
  font-size: 0.8rem;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  transition: color 0.2s;
}

.blog-card:hover .blog-card-read { color: var(--text); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 20px 24px; }
  .nav-links { gap: 20px; }

  section { padding: 80px 24px; }

  #hero { padding: 120px 24px 60px; }
  .hero-name { font-size: clamp(3rem, 14vw, 6rem); }

  #about .about-grid { grid-template-columns: 1fr; gap: 40px; }

  .projects-grid { grid-template-columns: 1fr; }
  .projects-header { flex-direction: column; align-items: flex-start; gap: 16px; }

  .blog-header { flex-direction: column; align-items: flex-start; gap: 16px; }

  .contact-heading { font-size: clamp(2rem, 10vw, 3.5rem); }
  .form-row { grid-template-columns: 1fr; }

  footer { flex-direction: column; gap: 16px; text-align: center; }

  .page-hero { padding: 140px 24px 60px; }
  .blog-page-content { padding: 0 24px 80px; }
  .blog-grid { grid-template-columns: 1fr; }
}