/* ─── Custom Properties ─── */
:root {
  --color-bg: #0B0B0B;
  --color-surface: #1A1A1A;
  --color-text: #E8E4DF;
  --color-text-muted: #888;
  --color-accent: #E8683F;
  --color-border: #2A2A2A;

  --font-display: 'Instrument Serif', serif;
  --font-mono: 'DM Mono', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 7rem;

  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

/* ─── Utilities ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.mono {
  font-family: var(--font-mono);
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─── Nav ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: rgba(11, 11, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.nav__links {
  display: none;
  gap: var(--space-md);
}

.nav__links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

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

@media (min-width: 768px) {
  .nav__links {
    display: flex;
  }
}

/* ─── Button ─── */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-bg);
  background: var(--color-accent);
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: scale(1.03);
  opacity: 0.9;
}

.btn--small {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
}

/* ─── Hero ─── */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-sm);
}

.hero__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  margin-bottom: var(--space-md);
}

.hero__sep {
  color: var(--color-border);
}

.hero__tagline {
  max-width: 540px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.hero__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

/* ─── Pills ─── */
.pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.pill--small {
  font-size: 0.65rem;
  padding: 0.2rem 0.6rem;
}

/* ─── Sections ─── */
.section {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.section__heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: var(--space-lg);
}

.section__number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-xs);
}

/* ─── Grid ─── */
.grid {
  display: grid;
  gap: var(--space-sm);
}

.grid--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─── Cards ─── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-md);
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: var(--color-accent);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

/* ─── Process ─── */
.process__intro {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.process__items {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .process__items {
    grid-template-columns: repeat(3, 1fr);
  }
}

.process__item {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.process__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.process__text {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

/* ─── Projects ─── */
.projects {
  display: grid;
  gap: var(--space-sm);
}

.project {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-md);
  transition: border-color 0.2s ease;
}

.project:hover {
  border-color: var(--color-accent);
}

.project__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.project__desc {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.project__result {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.project__link {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  transition: color 0.2s ease;
}

.project__link:hover {
  color: var(--color-accent);
}

.project__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ─── Contact ─── */
.section--contact {
  border-bottom: none;
}

.contact__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 420px;
}

.contact__links {
  display: grid;
  gap: var(--space-sm);
}

@media (min-width: 768px) {
  .contact__links {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.contact__link:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.contact__link svg {
  flex-shrink: 0;
}

/* ─── 1024px+ ─── */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }

  .hero {
    padding: var(--space-2xl) 0 var(--space-xl);
  }

  .contact__links {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ─── Footer ─── */
.footer {
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.75rem;
}