/* ==========================================================================
   ytarakji.dev — Main Stylesheet
   Bootstrap 5.3.8 + Custom Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  --color-dark: #0f172a;
  --color-dark-soft: #1e293b;
  --color-accent: #0ea5e9;
  --color-accent-dark: #0284c7;
  --color-surface: #f8fafc;
  --color-white: #ffffff;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-text: #1e293b;

  --font-family: 'Inter', sans-serif;
  --transition-base: all 0.25s ease;
  --border-radius-card: 10px;
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
}

/* --------------------------------------------------------------------------
   Base & Reset
   -------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px; /* offset for fixed navbar */
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Bootstrap Overrides
   -------------------------------------------------------------------------- */
.btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 500;
}

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

.btn-outline-primary {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

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

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

a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Spacing Utilities
   -------------------------------------------------------------------------- */
.py-6 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* --------------------------------------------------------------------------
   Section Titles
   -------------------------------------------------------------------------- */
.section-title {
  font-weight: 700;
  color: var(--color-dark);
  display: inline-block;
  position: relative;
  margin-bottom: 0.5rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--color-accent);
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header .section-subtitle {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-top: 0.75rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
#main-nav {
  background-color: var(--color-dark);
  transition: box-shadow 0.25s ease;
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
}

#main-nav.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-white) !important;
  letter-spacing: -0.01em;
}

.navbar-brand:hover {
  color: var(--color-accent) !important;
  text-decoration: none;
}

#main-nav .nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: var(--transition-base);
}

#main-nav .nav-link:hover,
#main-nav .nav-link.active {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.08);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
#hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 80px; /* offset for navbar */
  background-color: var(--color-white);
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.hero-name {
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-dark);
}

.hero-tagline {
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.hero-subtagline {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.hero-intro {
  font-size: 1rem;
  color: var(--color-text);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  align-items: center;
}

.hero-socials a {
  color: var(--color-muted);
  font-size: 1.35rem;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
}

.hero-socials a:hover {
  color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-2px);
}

/* Portrait */
.portrait-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.portrait-img {
  width: 100%;
  max-width: 360px;
  border-radius: 14px;
  object-fit: cover;
  aspect-ratio: 3 / 4;
  display: block;
}

.portrait-placeholder {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 14px;
  width: 100%;
  max-width: 360px;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: -0.02em;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
#about {
  background-color: var(--color-surface);
}

.about-prose p {
  margin-bottom: 1.4rem;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--color-text);
}

.about-prose p:last-child {
  margin-bottom: 0;
}

.about-highlight {
  border-left: 3px solid var(--color-accent);
  padding: 1.1rem 1.5rem;
  background-color: rgba(14, 165, 233, 0.05);
  border-radius: 0 8px 8px 0;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-dark-soft);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Work Experience Section
   -------------------------------------------------------------------------- */
#experience {
  background-color: var(--color-white);
}

.job-card {
  border-left: 4px solid var(--color-accent);
  padding: 1.75rem 1.75rem 1.75rem 1.75rem;
  background-color: var(--color-surface);
  border-radius: 0 var(--border-radius-card) var(--border-radius-card) 0;
  margin-bottom: 2rem;
  transition: var(--transition-base);
}

.job-card:last-child {
  margin-bottom: 0;
}

.job-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateX(2px);
}

.job-company {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.job-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.job-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-weight: 500;
  margin-bottom: 1rem;
}

.job-intro {
  font-size: 0.97rem;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.job-highlights {
  padding-left: 1.1rem;
  margin-bottom: 0;
}

.job-highlights li {
  font-size: 0.93rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.job-highlights li:last-child {
  margin-bottom: 0;
}

.job-live-sites {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
}

.job-live-sites-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-right: 0.25rem;
}

.job-live-sites a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition-base);
}

.job-live-sites a:hover {
  text-decoration: underline;
}

.job-live-sites-sep {
  color: var(--color-border);
}

.job-link {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.75rem;
}

/* --------------------------------------------------------------------------
   Projects Section
   -------------------------------------------------------------------------- */
#projects {
  background-color: var(--color-surface);
}

.project-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  transition: var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.project-card-img {
  width: 100%;
  height: auto;
  display: block;
}

.project-card-body {
  padding: 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-type-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.project-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: 1rem;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tech-badge {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  background-color: var(--color-surface);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  white-space: nowrap;
}

.project-card-footer {
  padding: 0 1.4rem 1.4rem;
}

.project-private {
  font-size: 0.82rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* --------------------------------------------------------------------------
   Skills Section
   -------------------------------------------------------------------------- */
#skills {
  background-color: var(--color-white);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  overflow: hidden;
}

.skill-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.1rem 1.75rem;
  border-bottom: 1px solid var(--color-border);
}

.skill-row:last-child {
  border-bottom: none;
}

.skill-row-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  min-width: 120px;
  flex-shrink: 0;
  padding-top: 0.3rem;
}

.skill-row-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* --------------------------------------------------------------------------
   Education Section
   -------------------------------------------------------------------------- */
#education {
  background-color: var(--color-surface);
}

.edu-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 2rem;
  height: 100%;
  transition: var(--transition-base);
}

.edu-card:hover {
  box-shadow: var(--shadow-card);
}

.edu-school {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.2rem;
}

.edu-degree {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}

.edu-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.edu-coursework-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.6rem;
}

.edu-courses {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1rem;
}

.edu-courses li {
  font-size: 0.84rem;
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.edu-courses li::before {
  content: '·';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.edu-honors-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  background-color: rgba(14, 165, 233, 0.1);
  color: var(--color-accent);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: 20px;
  margin-top: 0.25rem;
}

.edu-degree-img-wrap {
  width: 100%;
  max-width: 320px;
}

.edu-degree-img-wrap--sm {
  max-width: 190px;
}

.degree-img {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  width: 100%;
  display: block;
}

.degree-img-placeholder {
  border: 2px dashed var(--color-border);
  border-radius: 8px;
  background-color: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  aspect-ratio: 4/3;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 1rem;
}

.degree-img-placeholder .bi {
  font-size: 2rem;
  opacity: 0.4;
}

.edu-divider {
  border-color: var(--color-border);
  opacity: 1;
  margin: 0;
}

.degree-img-link {
  display: block;
  cursor: zoom-in;
  text-decoration: none;
}

.degree-img-link:hover .degree-img {
  opacity: 0.9;
  box-shadow: var(--shadow-card-hover);
  transition: var(--transition-base);
}

.degree-img-link:hover .degree-img-placeholder {
  border-color: var(--color-accent);
  transition: var(--transition-base);
}

/* --------------------------------------------------------------------------
   Resume Section
   -------------------------------------------------------------------------- */
#resume {
  background-color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
#contact {
  background-color: var(--color-dark);
}

#contact .section-title {
  color: var(--color-white);
}

#contact .section-title::after {
  background-color: var(--color-accent);
}

.contact-intro {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
  line-height: 1.75;
}

.contact-link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-card);
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition-base);
  margin-bottom: 0.75rem;
}

.contact-link-card:hover {
  background-color: rgba(14, 165, 233, 0.15);
  border-color: var(--color-accent);
  color: var(--color-white);
  text-decoration: none;
  transform: translateX(4px);
}

.contact-link-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.contact-link-text {
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-link-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-bottom: 0.1rem;
  font-weight: 400;
}

.open-to-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.75rem;
}

.open-to-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.open-to-tag {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  background-color: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: 20px;
  color: rgba(255, 255, 255, 0.85);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
  background-color: var(--color-dark-soft);
  padding: 1.25rem 0;
}

.footer-text {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  .project-card:hover,
  .job-card:hover,
  .contact-link-card:hover,
  .hero-socials a:hover {
    transform: none !important;
  }
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 575.98px) {
  .skill-row {
    flex-direction: column;
    gap: 0.6rem;
  }

  .skill-row-label {
    min-width: unset;
    padding-top: 0;
  }
}

@media (max-width: 767.98px) {
  #hero {
    min-height: auto;
    padding-top: 90px;
    padding-bottom: 3rem;
  }

  .hero-name {
    font-size: 2.5rem;
  }

  .portrait-wrapper {
    margin-bottom: 2.5rem;
  }

  .portrait-img,
  .portrait-placeholder {
    max-width: 240px;
    margin: 0 auto;
  }

  .edu-courses {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 768px) {
  .hero-name {
    font-size: 3.5rem;
  }
}

@media (min-width: 992px) {
  .hero-name {
    font-size: 4rem;
  }
}