/* ─────────────────────────────────────────
   Design Tokens
───────────────────────────────────────── */
:root {
  --clr-bg: #faf8f4;
  --clr-surface: #f0ece4;
  --clr-surface-2: #e8e3d8;
  --clr-border: #ddd8cc;
  --clr-text: #1c1916;
  --clr-text-muted: #6b6560;
  --clr-accent: #a0763a;
  --clr-accent-light: #c8a96e;
  --clr-accent-subtle: rgba(160, 118, 58, 0.1);

  --ff-heading: 'Playfair Display', Georgia, serif;
  --ff-body: 'Inter', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ff-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ─────────────────────────────────────────
   Layout Helpers
───────────────────────────────────────── */
.container {
  width: min(1140px, calc(100% - 3rem));
  margin-inline: auto;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--ff-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: 1.25rem;
}

.section-subtitle {
  color: var(--clr-text-muted);
  font-size: 1rem;
  max-width: 520px;
  margin-bottom: 3rem;
}

/* ─────────────────────────────────────────
   Buttons
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: var(--clr-accent);
  color: #0f0f0f;
}

.btn-primary:hover {
  background: var(--clr-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 169, 110, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}

.btn-secondary:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────
   Navigation
───────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.1rem 2rem;
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin-inline: auto;
}

.nav-logo {
  font-family: var(--ff-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-accent);
  letter-spacing: 0.05em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--clr-text-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--clr-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-close {
  display: none !important;
}

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

/* ─────────────────────────────────────────
   Hero
───────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(160, 118, 58, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1140px;
  margin-inline: auto;
  width: 100%;
}

.hero-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 1.25rem;
}

.hero-name {
  font-family: var(--ff-heading);
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 700;
  line-height: 1.0;
  color: var(--clr-text);
  margin-bottom: 1.75rem;
}

.hero-bio {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-bg {
  position: absolute;
  inset: -16px;
  background: linear-gradient(135deg, var(--clr-accent-subtle), transparent 60%);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.hero-image {
  position: relative;
  z-index: 1;
  width: min(380px, 100%);
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ─────────────────────────────────────────
   About
───────────────────────────────────────── */
.about {
  padding: 7rem 2rem;
  background: var(--clr-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about .section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}
  color: var(--clr-text-muted);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

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

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--ff-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--clr-accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  line-height: 1.4;
}

.about-skills {
  grid-column: 1 / -1;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.about-skills h4 {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.875rem;
}

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

.skill-tags span {
  font-size: 0.78rem;
  padding: 0.35rem 0.85rem;
  background: rgba(160, 118, 58, 0.14);
  border: 1px solid rgba(160, 118, 58, 0.4);
  border-radius: 100px;
  color: var(--clr-accent);
  font-weight: 500;
}

/* ─────────────────────────────────────────
   Projects
───────────────────────────────────────── */
.projects {
  padding: 7rem 2rem;
  background: var(--clr-bg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}

.project-card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(160, 118, 58, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.project-card-inner {
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-number {
  font-family: var(--ff-heading);
  font-size: 0.8rem;
  color: var(--clr-accent);
  font-weight: 700;
}

.project-domain {
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  letter-spacing: 0.06em;
}

.project-icon {
  color: var(--clr-accent);
  opacity: 0.7;
  flex-shrink: 0;
}

.project-title {
  font-family: var(--ff-heading);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--clr-text);
}

.project-description {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.project-outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding: 1.25rem;
  background: var(--clr-accent-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(200, 169, 110, 0.15);
}

.outcome {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.outcome strong {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-accent);
  font-family: var(--ff-heading);
}

.outcome span {
  font-size: 0.68rem;
  color: var(--clr-text-muted);
  line-height: 1.3;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
}

.project-tags span {
  font-size: 0.72rem;
  padding: 0.3rem 0.75rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  color: var(--clr-text-muted);
}

.project-cta {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-accent);
  letter-spacing: 0.02em;
  transition: gap var(--transition), color var(--transition);
}

.project-card:hover .project-cta {
  color: var(--clr-text);
}

/* ─────────────────────────────────────────
   Experience
───────────────────────────────────────── */
.experience {
  padding: 7rem 2rem;
  background: var(--clr-surface);
}

.timeline {
  position: relative;
  margin: 3rem 0 4rem;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-border));
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: 3rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -0.45rem;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: 2px solid var(--clr-surface);
  box-shadow: 0 0 0 3px var(--clr-accent-subtle);
}

.timeline-date {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clr-accent);
  margin-bottom: 0.4rem;
}

.timeline-content h3 {
  font-family: var(--ff-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.82rem;
  color: var(--clr-accent);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.timeline-content p:not(.timeline-company) {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* Education */
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.edu-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.edu-card:hover {
  border-color: rgba(200, 169, 110, 0.4);
}

.edu-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.edu-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.edu-card p {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

/* ─────────────────────────────────────────
   Contact
───────────────────────────────────────── */
.contact {
  padding: 7rem 2rem;
  background: var(--clr-bg);
  text-align: center;
}

.contact .section-label,
.contact .section-title {
  margin-inline: auto;
  text-align: center;
}

.contact-intro {
  color: var(--clr-text-muted);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto 3rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  padding: 0.65rem 1.5rem;
  transition: var(--transition);
}

.contact-link:not(.contact-location):hover {
  color: var(--clr-text);
  border-color: var(--clr-accent);
  background: var(--clr-accent-subtle);
}

.contact-location {
  cursor: default;
}

/* ─────────────────────────────────────────
   Footer
───────────────────────────────────────── */
.footer {
  padding: 1.75rem 2rem;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  text-align: center;
}

.footer p {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
}

/* ─────────────────────────────────────────
   Reveal Animations
───────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ─────────────────────────────────────────
   Responsive
───────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-image-wrap {
    order: -1;
  }

  .hero-bio {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-scroll-hint {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .project-outcomes {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .project-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .project-domain {
    font-size: 0.68rem;
    word-break: break-word;
    max-width: 100%;
  }

  .project-meta {
    max-width: calc(100% - 48px);
  }

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

  .timeline {
    padding-left: 1.25rem;
  }

  .timeline-item {
    padding-left: 1.75rem;
  }

  .timeline-content h3 {
    font-size: 1rem;
    line-height: 1.4;
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #faf8f4;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
  }

  .nav-close {
    display: flex !important;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-text);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.3rem;
    color: var(--clr-text);
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 101;
  }

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .timeline-company {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: 3rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}