/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --color-bg:           #FFFFFF;
  --color-surface:      #FFFFFF;
  --color-text:         #0D0D0D;
  --color-text-muted:   #6B7280;
  --color-border:       #E4E4E0;
  --color-cta-bg:       #0D0D0D;
  --color-cta-text:     #F9F9F8;
  --color-cta-bg-hover: #2D2D2D;
  --color-social-hover: #0A66C2;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm:  6px;
  --radius-pill: 999px;

  --transition: 200ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:           #0C0C0C;
    --color-surface:      #141414;
    --color-text:         #F0F0EE;
    --color-text-muted:   #8A8A8A;
    --color-border:       #222220;
    --color-cta-bg:       #F0F0EE;
    --color-cta-text:     #0C0C0C;
    --color-cta-bg-hover: #FFFFFF;
    --color-social-hover: #70A9D8;
  }
}

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

[hidden] { display: none !important; }

/* ─── Base ───────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100svh;
}

/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100svh;
  padding: 3rem 1.5rem;
}

.hero__inner {
  max-width: 680px;
  width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 3rem;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  flex: 1;
}

/* ─── Profile Photo ──────────────────────────────────────── */
.profile-photo {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--color-text-muted);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ─── Hero Header ────────────────────────────────────────── */
.hero__header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero__label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero__name {
  font-size: clamp(2.75rem, 8vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-text);
}

.hero__tagline {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 38ch;
}

/* ─── Actions ────────────────────────────────────────────── */
.hero__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Social link */
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--color-social-hover);
  border-color: var(--color-social-hover);
  background-color: color-mix(in srgb, var(--color-social-hover) 6%, transparent);
  outline: none;
}

.social-link__icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

/* CTA button */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-cta-text);
  background-color: var(--color-cta-bg);
  text-decoration: none;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  transition: background-color var(--transition), transform var(--transition);
}

.cta-button:hover,
.cta-button:focus-visible {
  background-color: var(--color-cta-bg-hover);
  transform: translateY(-1px);
  outline: none;
}

.cta-button:active {
  transform: translateY(0);
}

.cta-button__arrow {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.cta-button:hover .cta-button__arrow {
  transform: translateX(3px);
}

/* ─── Focus ring (accessibility) ─────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
}