/* ============================================================
   ALEX CLYMER — Portfolio Website
   Shared Stylesheet
   ============================================================
   All theme values live in :root below.
   Edit those custom properties to retheme the entire site.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES  (edit here to retheme)
   ============================================================ */
:root {
  /* Colors */
  --color-bg:          #e8e8e8;   /* page background */
  --color-header-bg:   #d8d8d8;   /* header & footer background */
  --color-black:       #1a1a1a;   /* buttons, headings, dark sections */
  --color-white:       #ffffff;
  --color-accent:      #c8966a;   /* active nav link amber */
  --color-text:        #1a1a1a;
  --color-text-muted:  #555555;
  --color-card-bg:     #f5f5f5;
  --color-card-border: #cccccc;

  /* Typography */
  --font: 'Avenir Next', 'Avenir', 'Nunito', 'Helvetica Neue', Arial, sans-serif;

  /* Type scale — adjust these to resize text site-wide */
  --text-xs:  0.8rem;    /* dates, metadata, tiny labels  */
  --text-sm:  0.9rem;    /* secondary UI, buttons, footer */
  --text-md:  1.2rem;    /* subheadings (role, degree)    */
  --text-lg:  1.6rem;    /* card/section headings         */
  --text-xl:  2rem;      /* major section titles          */
  --text-2xl: 3.5rem;    /* page h1s                      */

  /* Layout */
  --max-width:      1280px;
  --header-height:  100px;
  --pad-v:          60px;
  --pad-h:          40px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 18px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

a { color: var(--color-text); text-decoration: underline; transition: color 0.2s; }
a:hover { color: var(--color-accent); }

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

ul { list-style: none; }

/* ============================================================
   HEADER & NAV
   ============================================================ */
header {
  background-color: var(--color-header-bg);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(var(--pad-h), calc((100% - var(--max-width)) / 2 + var(--pad-h)));
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.header-logo a {
  text-decoration: none;
  color: var(--color-text);
  line-height: 1.2;
}

.header-logo .name {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
}

.header-logo .tagline {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

nav ul {
  display: flex;
  align-items: center;
  gap: 0;
}

nav ul li { display: flex; align-items: center; }

nav ul li + li::before {
  content: '';
  display: block;
  width: 1px;
  height: 28px;
  background-color: var(--color-text-muted);
  margin: 0 22px;
}

nav ul li a {
  text-decoration: none;
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text);
  padding: 4px 0;
  transition: color 0.2s;
}

nav ul li a:hover,
nav ul li a.active { color: var(--color-accent); }

/* Hamburger (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================================
   PAGE BANNER  (black bar at top of inner pages)
   ============================================================ */
.page-banner {
  background-color: var(--color-black);
  padding: 40px max(var(--pad-h), calc((100% - var(--max-width)) / 2 + var(--pad-h)));
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-banner h1 {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -1px;
}

/* ============================================================
   JUMP STRIP
   ============================================================ */
.jump-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding: 14px max(var(--pad-h), calc((100% - var(--max-width)) / 2 + var(--pad-h)));
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-card-border);
  font-size: 1rem;
}

.jump-label {
  font-weight: 600;
  color: var(--color-text-muted);
  margin-right: 4px;
}

.jump-strip a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.jump-strip a:hover {
  color: var(--color-accent);
}

.jump-divider {
  color: var(--color-text-muted);
  font-weight: 700;
}

.jump-sub-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.jump-sub-paren {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.jump-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.jump-sub-divider {
  color: var(--color-card-border);
  font-size: var(--text-sm);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 13px 26px;
  font-family: var(--font);
  font-size: var(--text-md);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  letter-spacing: 0.3px;
}

.btn-dark {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn-dark:hover {
  background-color: var(--color-accent);
  color: var(--color-black);
  border-color: var(--color-accent);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-white);
  padding: 9px 22px;
}

.btn-outline-white:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-black);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-black);
  color: var(--color-white);
  padding: 12px 20px;
  text-decoration: none;
  font-size: var(--text-md);
  font-weight: 600;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.btn-icon:hover { color: var(--color-white); opacity: 0.82; }

.btn-icon svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background-color: var(--color-header-bg);
  padding: 28px max(var(--pad-h), calc((100% - var(--max-width)) / 2 + var(--pad-h)));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(0,0,0,0.08);
  margin-top: auto;
}

.footer-links { display: flex; flex-direction: column; gap: 8px; }

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 1rem;
  transition: color 0.2s;
}

.footer-link:hover { color: var(--color-accent); }
.footer-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.footer-copy { font-size: 1rem; color: var(--color-text-muted); }

/* ============================================================
   SECTION WRAPPER
   ============================================================ */
.section-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--pad-v) var(--pad-h);
}

.section-wrap--no-top { padding-top: 0; }

.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: 30px;
  letter-spacing: -0.5px;
}

/* Card */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 3px;
}

/* ============================================================
   HOME — HERO
   ============================================================ */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px var(--pad-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-photo {
  display: flex;
  justify-content: center;
}

.hero-photo img,
.hero-photo .photo-placeholder {
  width: 360px;
  height: 360px;
  border-radius: 50%;
  object-fit: cover;
}

.hero-photo .photo-placeholder {
  background: #c8c8c8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}

.hero-text h1 {
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -3px;
  margin-bottom: 22px;
}

.hero-text .subtitle {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-text .bio {
  color: var(--color-text-muted);
  margin-bottom: 30px;
  line-height: 1.75;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  max-width: 480px;
}

.hero-buttons .btn { flex: 1; text-align: center; }

/* ============================================================
   HOME — WHAT MAKES ME UNIQUE
   ============================================================ */
.unique-section {
  max-width: calc(var(--max-width) - 2 * var(--pad-h));
  margin: 0 auto var(--pad-v);
  border-radius: 6px;
  overflow: hidden;
}

.unique-left {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 60px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.unique-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.unique-left h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.unique-left p {
  line-height: 1.75;
  color: rgba(255,255,255,0.82);
}

.unique-left p + p { margin-top: 16px; }

.unique-list {
  list-style: disc;
  padding-left: 36px;
  margin: 2px 0 10px;
}

.unique-list li {
  color: rgba(255,255,255,0.82);
  line-height: 1.4;
}

.unique-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.unique-image img {
  width: 340px;
  max-width: 100%;
  height: auto;
}

/* ============================================================
   RESUME — SKILLS GRID
   ============================================================ */
.skills-card {
  padding: 32px 56px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 40px;
}

.skill-group h3 {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.skill-group + .skill-group { margin-top: 22px; }

.skill-group ul { list-style: disc; padding-left: 18px; }

.skill-group ul li {
  line-height: 1.85;
  color: var(--color-text-muted);
}

.experience-card { margin-bottom: 16px; }

/* ============================================================
   RESUME — WORK EXPERIENCE
   ============================================================ */
.experience-entry {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 24px;
  padding: 32px;
}

.experience-date {
  font-size: 1rem;
  color: var(--color-text-muted);
  padding-top: 3px;
  line-height: 1.5;
}

.experience-role {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 4px;
}

.experience-org {
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.experience-project-title {
  font-weight: 700;
  margin-top: 16px;
  margin-bottom: 5px;
}

.experience-text {
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.experience-bullets { list-style: disc; padding-left: 20px; margin-bottom: 10px; }

.experience-bullets li {
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 3px;
}

.experience-logo {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-top: 2px;
}

.experience-logo img { max-width: 130px; max-height: 55px; object-fit: contain; }

.logo-placeholder {
  width: 120px;
  height: 48px;
  background: #ddd;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: #888;
  text-align: center;
  padding: 4px;
}

/* ============================================================
   RESUME — EDUCATION
   ============================================================ */
.education-entry {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 32px;
}

.education-date { font-size: 1rem; color: var(--color-text-muted); }

.education-degree { font-size: var(--text-md); font-weight: 700; margin-bottom: 4px; }

.education-school {
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.education-gpa { font-size: 1rem; color: var(--color-text-muted); }

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio-entry {
  padding: 40px;
  margin-bottom: 20px;
}

.portfolio-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.portfolio-header h2 { font-size: var(--text-lg); font-weight: 600; }
.portfolio-header svg { width: 32px; height: 32px; flex-shrink: 0; }
.portfolio-header-icon { width: 32px; height: 32px; flex-shrink: 0; object-fit: contain; }

.portfolio-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

.portfolio-desc {
  line-height: 1.75;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.portfolio-links-label { font-weight: 700; margin-bottom: 8px; }
.portfolio-links-label a { font-weight: 400; }

.portfolio-links-list { list-style: disc; padding-left: 18px; }

.portfolio-links-list li { line-height: 1.85; }

.portfolio-sidebar {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 3px;
  padding: 24px;
}

.sidebar-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  margin-bottom: 16px;
}

.sidebar-heading svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-list { list-style: disc; padding-left: 18px; margin-bottom: 14px; }

.sidebar-list li { line-height: 1.9; }

.sidebar-text { color: var(--color-text-muted); margin-bottom: 14px; }

.sidebar-footer { color: var(--color-text-muted); }

.youtube-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 3px;
}

/* YouTube thumbnail link (replaces iframe when embedding is disabled) */
.youtube-thumb-link {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 3px;
  overflow: hidden;
  background: #000;
}
.youtube-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}
.youtube-thumb-link:hover .youtube-thumb-img {
  opacity: 0.85;
}
.youtube-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.youtube-play-btn svg {
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
  transition: transform 0.15s ease;
}
.youtube-thumb-link:hover .youtube-play-btn svg {
  transform: scale(1.1);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px var(--pad-h);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-info h1 { font-size: var(--text-xl); font-weight: 600; margin-bottom: 10px; letter-spacing: -1px; }

.contact-tagline { font-size: 0.95rem; color: var(--color-text-muted); margin-bottom: 30px; }

.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-text);
  transition: color 0.2s;
}

.contact-detail:hover { color: var(--color-accent); }
.contact-detail svg { width: 20px; height: 20px; flex-shrink: 0; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }

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

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label { font-size: 0.84rem; font-weight: 500; }

.required { color: #bb0000; margin-left: 2px; }

.form-group input,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--color-card-border);
  background: var(--color-white);
  font-family: var(--font);
  font-size: 0.9rem;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-accent); }

.form-group textarea { resize: vertical; min-height: 160px; }

.btn-submit {
  padding: 14px;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  letter-spacing: 0.3px;
}

.btn-submit:hover { opacity: 0.8; }

/* ============================================================
   FADE-IN ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s ease, transform 0.85s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding: 60px 30px;
  }
  .hero-text h1 { font-size: 2.6rem; }
  .hero-text .bio { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-photo { justify-content: center; }

  .unique-left { grid-template-columns: 1fr; text-align: center; }
  .unique-image img { width: 200px; }

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

  .experience-entry { grid-template-columns: 1fr; gap: 12px; }
  .experience-logo { justify-content: flex-start; }

  .education-entry { grid-template-columns: 1fr; gap: 8px; }

  .portfolio-body { grid-template-columns: 1fr; }

  .contact-layout { grid-template-columns: 1fr; gap: 40px; padding: 60px 30px; }
}

@media (max-width: 600px) {
  :root { --pad-h: 20px; --pad-v: 40px; }

  header { padding: 0 20px; }

  nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-header-bg);
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }

  nav.open { display: block; }

  nav ul { flex-direction: column; align-items: flex-start; gap: 14px; }
  nav ul li + li::before { display: none; }

  .nav-toggle { display: flex; }

  .page-banner h1 { font-size: 2.6rem; }
  .page-banner { padding: 30px var(--pad-h); }

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

  .experience-entry { padding: 20px; }
  .education-entry { padding: 20px; }
  .portfolio-entry { padding: 24px; }
  .skills-card { padding: 20px; }

  footer { flex-direction: column; gap: 16px; align-items: flex-start; padding: 24px 20px; }

  .form-row { grid-template-columns: 1fr; }
}