/* Base fonts */
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap");

/* ------------------------------------------------------------------
   Base + theme tokens
   ------------------------------------------------------------------ */
:root {
  font-size: 16px;
  --font-body: "Poppins", sans-serif;
  --font-heading: "Charter", Georgia, serif;
  --color-text: #333;
  --color-muted: #666;
  --color-accent: #e99f68;
  --color-border: #eee;
  --color-panel: #fafafa;
  --radius-md: 0.5rem;
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --container-width: min(1200px, 80vw);
  --section-gap: 2rem;
}

@media (max-width: 768px) {
  :root {
    --container-width: min(1200px, 92vw);
    --section-gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 15px;
    --section-gap: 1.25rem;
  }
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
}

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

#header-container,
main {
  width: var(--container-width);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* ------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------ */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: calc(var(--section-gap) + 0.75rem) 0 1rem;
}

.nav-links,
.social-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
}

.nav-links a {
  font-weight: 500;
  position: relative;
  padding-bottom: 0.25rem;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 0.125rem;
  background-color: currentColor;
  transition: width var(--transition-base);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
  font-weight: 600;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.social-links a:hover {
  transform: translateY(-0.2rem);
  color: #000;
}

/* ------------------------------------------------------------------
   Hero content
   ------------------------------------------------------------------ */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.intro-text {
  flex: 1;
  max-width: 36rem;
}

.intro-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

.intro-text p {
  line-height: 1.85;
  margin-bottom: 2rem;
}

.intro-text p a {
  color: var(--color-accent);
  font-style: italic;
  text-decoration: underline;
}

.intro-text p svg {
  margin-left: 0.25rem;
  vertical-align: middle;
  position: relative;
  top: -0.1rem;
  transition: transform var(--transition-base);
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 1.25rem;
  border: none;
  border-radius: var(--radius-md);
  background-color: #e6e6e6;
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.read-more-btn:hover {
  background-color: #ccc;
}

.read-more-btn svg {
  transition: transform var(--transition-base);
}

.read-more-btn:hover svg {
  transform: translateX(0.15rem);
}

/* ------------------------------------------------------------------
   Profile photo
   ------------------------------------------------------------------ */
.profile-photo {
  flex: 1;
  max-width: 30rem;
}

.profile-photo img {
  width: 100%;
  border-radius: 0.375rem;
  transition: opacity 0.5s ease;
}

.profile-photo .click-hint {
  margin-top: 0.5rem;
  text-align: center;
  color: lightgrey;
  font-size: 0.9rem;
}

.fade-out {
  opacity: 0;
}

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */
footer {
  margin-top: auto;
  text-align: center;
  padding: var(--section-gap);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-panel);
}

footer p {
  color: var(--color-muted);
}

footer svg {
  vertical-align: middle;
  margin-right: 0.3rem;
}

footer p a {
  color: var(--color-muted);
  font-style: italic;
}

/* ------------------------------------------------------------------
   Responsive tweaks
   ------------------------------------------------------------------ */
@media (max-width: 900px) {
  main {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .intro-text,
  .profile-photo {
    max-width: 100%;
  }

  .read-more-btn {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding-top: calc(var(--section-gap) * 0.9);
  }

  .nav-links,
  .social-links {
    width: 100%;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .social-links {
    justify-content: flex-start;
  }

  main {
    align-items: flex-start;
    text-align: left;
  }

  .intro-text h1 {
    font-size: clamp(1.75rem, 8vw, 2.4rem);
  }

  .intro-text p {
    line-height: 1.7;
  }

  .profile-photo {
    align-items: flex-start;
  }

  .read-more-btn {
    margin: 0;
  }
}