/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── Custom Properties ────────────────────────────────────── */
:root {
  --ink: #0f0f0f;
  --surface: #fafaf8;
  --surface-2: #f0efe9;
  --accent: #1a3a5c;
  --accent-2: #c8893a;
  --line: #e2e0d8;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --max-w: 1200px;
  --section-pad: clamp(4rem, 8vw, 8rem);
  --radius: 4px;
  --nav-h: 72px;
}

/* ─── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
ul, ol { list-style: none; }

/* ─── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.01em;
}
p { max-width: 65ch; }

/* ─── Utilities ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; }
.amber { color: var(--accent-2); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 0.25em 0.65em;
  border-radius: 999px;
  background: rgba(15, 15, 15, 0.07);
  color: var(--ink);
}
.tag--light { background: rgba(255,255,255,0.12); color: #fff; }

/* ─── Scroll-reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.35s, backdrop-filter 0.35s, box-shadow 0.35s;
}
.nav.scrolled {
  background: rgba(250, 250, 248, 0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  opacity: 0.7;
  transition: opacity 0.2s;
}
.nav__links a:hover { opacity: 1; }
.nav__lang {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.3em 0.85em;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.nav__lang:hover { background: var(--surface-2); border-color: var(--ink); }
.nav__menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav__menu-toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: transform 0.3s, opacity 0.3s; }

/* ─── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0;
  font-size: 0.82rem;
  color: rgba(15,15,15,0.45);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ─── Hero ─────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(226,224,216,0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226,224,216,0.35) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
  pointer-events: none;
}
.hero__content {
  padding-block: var(--section-pad);
  max-width: 800px;
}
.hero__eyebrow {
  display: inline-block;
  margin-bottom: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  border: 1px solid rgba(200,137,58,0.3);
  padding: 0.35em 0.9em;
  border-radius: 999px;
}
.hero__name {
  font-size: clamp(3.25rem, 9vw, 7.5rem);
  line-height: 1.02;
  margin-bottom: 1.75rem;
  letter-spacing: -0.03em;
}
.hero__name em { font-style: italic; }
.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(15,15,15,0.55);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2.75rem;
}
.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.8em 1.75em;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: none;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--ink);
  color: var(--surface);
  box-shadow: 0 4px 14px rgba(15,15,15,0.18);
}
.btn--primary:hover { box-shadow: 0 6px 20px rgba(15,15,15,0.26); }
.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn--outline:hover { border-color: var(--ink); background: var(--surface-2); }
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(15,15,15,0.35);
  animation: bounce 2s ease-in-out infinite;
}
.hero__scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(15,15,15,0.3));
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ─── About ────────────────────────────────────────────────── */
.about {
  padding-block: var(--section-pad);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.about__photo-wrap { position: relative; }
.about__photo {
  width: 100%;
  aspect-ratio: 3/4;
  border: 2px dashed var(--line);
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: rgba(15,15,15,0.25);
  overflow: hidden;
}
.about__photo svg { width: 64px; height: 64px; }
.about__badge {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--ink);
  color: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 0.6em 1em;
  border-radius: var(--radius);
}
.about__section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1rem;
}
.about__heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  margin-bottom: 1.5rem;
}
.about__body p { color: rgba(15,15,15,0.7); margin-bottom: 1rem; }
.about__facts {
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
}
.about__fact {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.about__fact-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(15,15,15,0.45);
  text-transform: uppercase;
  padding-top: 0.1rem;
}

/* ─── Skills ───────────────────────────────────────────────── */
.skills {
  background: var(--ink);
  color: var(--surface);
  padding-block: var(--section-pad);
}
.skills__header {
  margin-bottom: 3.5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.skills__section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.skills__heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  color: var(--surface);
}
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: rgba(255,255,255,0.08);
}
.skill-card {
  background: var(--ink);
  padding: 2rem 1.75rem 2.25rem;
  transition: background 0.25s;
}
.skill-card:hover { background: #1a1a1a; }
.skill-card__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  margin-bottom: 1rem;
}
.skill-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  color: var(--surface);
}
.skill-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ─── Projects ─────────────────────────────────────────────── */
.projects {
  padding-block: var(--section-pad);
}
.projects__header {
  margin-bottom: 3rem;
}
.projects__section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.projects__heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
}
.project-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1.5px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 1.5px;
  transition: border-color 0.25s;
}
.project-featured:hover { border-color: rgba(15,15,15,0.3); }
.project-featured__img {
  aspect-ratio: 4/3;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(15,15,15,0.3);
  letter-spacing: 0.04em;
}
.project-featured__content {
  padding: 2.5rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1.5px solid var(--line);
}
.project__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.project__title {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  margin-bottom: 1rem;
}
.project__desc {
  font-size: 0.9rem;
  color: rgba(15,15,15,0.65);
  margin-bottom: 1.5rem;
  max-width: none;
}
.project__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.75rem; }
.project__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2em;
  transition: border-color 0.2s, gap 0.2s;
  width: fit-content;
}
.project__link:hover { border-color: var(--ink); gap: 0.65em; }
.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--line);
}
.project-card {
  background: var(--surface);
  padding: 2.25rem 2rem;
  transition: background 0.25s;
}
.project-card:hover { background: var(--surface-2); }
.project-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--surface-2);
  border: 1px solid var(--line);
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(15,15,15,0.3);
  letter-spacing: 0.04em;
}
.project-card .project__title { font-size: clamp(1.1rem, 2vw, 1.4rem); }

/* ─── Contact ──────────────────────────────────────────────── */
.contact {
  background: var(--surface-2);
  padding-block: var(--section-pad);
  border-top: 1px solid var(--line);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.contact__section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.contact__heading {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  margin-bottom: 1.25rem;
}
.contact__intro {
  font-size: 0.95rem;
  color: rgba(15,15,15,0.65);
  margin-bottom: 2.5rem;
}
.contact__links { display: flex; flex-direction: column; gap: 1rem; }
.contact__link-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.contact__link-item:hover { color: var(--accent); }
.contact__link-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--surface);
}
.contact__link-icon svg { width: 16px; height: 16px; }

/* ─── Contact Form ─────────────────────────────────────────── */
.contact__form-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 2.5rem 2rem;
}
.contact__success {
  background: rgba(26,58,92,0.07);
  border: 1px solid rgba(26,58,92,0.2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--accent);
  display: none;
}
.contact__success.visible { display: block; }
.form-group {
  margin-bottom: 1.25rem;
}
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(15,15,15,0.5);
  margin-bottom: 0.5rem;
}
.form-input, .form-textarea {
  width: 100%;
  background: var(--surface-2);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75em 1em;
  font-size: 0.925rem;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
}
.form-textarea { resize: vertical; min-height: 140px; }
.btn--submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
  background: var(--ink);
  color: var(--surface);
  box-shadow: 0 4px 14px rgba(15,15,15,0.12);
}
.btn--submit:hover { box-shadow: 0 6px 20px rgba(15,15,15,0.22); }

/* ─── Section dividers ─────────────────────────────────────── */
.section-rule {
  width: 40px;
  height: 2px;
  background: var(--accent-2);
  margin-bottom: 1rem;
}

/* ─── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .skills__grid { grid-template-columns: repeat(2, 1fr); }
  .about__grid { grid-template-columns: 1fr; }
  .about__photo { aspect-ratio: 4/3; max-width: 420px; }
  .project-featured { grid-template-columns: 1fr; }
  .project-featured__img { aspect-ratio: 16/9; }
  .project-featured__content { border-left: none; border-top: 1.5px solid var(--line); }
  .contact__grid { grid-template-columns: 1fr; }
  .nav__links { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: var(--surface);
    padding: 2rem;
    gap: 1.5rem;
    z-index: 99;
    align-items: flex-start;
  }
  .nav__links.open a { font-size: 1.2rem; opacity: 1; }
  .nav__menu-toggle { display: block; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  .skills__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr; }
  .hero__ctas { flex-direction: column; align-items: flex-start; }
  .about__fact { grid-template-columns: 1fr; gap: 0.2rem; }
}