/* ========== FONTS (loaded via <link> in HTML for parallel fetching) ========== */

/* ========== DESIGN TOKENS ========== */
:root {
  --stone: #141412;
  --bark: #1f1e1a;
  --trail: #322f28;
  --ridge: #8b7d6b;
  --summit: #c4a97d;
  --snow: #f5f0e8;
  --sky: #6b8f9e;
  --alpine: #4a7c6f;
  --sunset: #c7603d;
  --cloud: #e8e2d6;
  --ember: #a34e2e;

  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

/* ========== RESET ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--stone); overflow-x: hidden; font-family: var(--font-body); color: var(--snow); }
::selection { background: rgba(199, 96, 61, 0.27); color: var(--snow); }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
img { max-width: 100%; display: block; }

/* ========== TOPO BACKGROUND ========== */
.topo-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.035;
  pointer-events: none;
}

/* ========== NAVIGATION ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 22px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: all 0.4s ease;
}

.nav.scrolled {
  padding: 14px 40px;
  background: rgba(20, 20, 18, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(50, 47, 40, 0.53);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--summit);
  font-weight: 700;
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--ridge);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--snow);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sunset);
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 30%, #1a2520 0%, #161a1d 30%, var(--stone) 70%);
}

.hero-stars {
  position: absolute;
  inset: 0;
  transition: transform 0.05s linear;
}

.star {
  position: absolute;
  background: var(--snow);
  border-radius: 50%;
}

.hero-mountains {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 55%;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-coords {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--alpine);
  letter-spacing: 5px;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInUp 1s ease forwards;
  opacity: 0;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 88px);
  color: var(--snow);
  font-weight: 400;
  line-height: 1.08;
  margin: 0 0 20px 0;
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}

.hero h1 span {
  color: var(--summit);
  font-style: italic;
  font-weight: 700;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--ridge);
  max-width: 480px;
  margin: 0 auto 16px;
  line-height: 1.7;
  animation: fadeInUp 1s ease 0.4s forwards;
  opacity: 0;
}

.hero-subtitle strong { font-weight: inherit; }

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(139, 125, 107, 0.53);
  animation: fadeInUp 1s ease 0.5s forwards;
  opacity: 0;
  margin-bottom: 48px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.6s forwards;
  opacity: 0;
  margin-bottom: 40px;
}

.btn-primary {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--snow);
  padding: 12px 28px;
  background: var(--sunset);
  border-radius: 6px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--ember);
  transform: translateY(-1px);
}

.btn-secondary {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--summit);
  padding: 12px 28px;
  border: 1.5px solid rgba(196, 169, 125, 0.27);
  border-radius: 6px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: rgba(196, 169, 125, 0.5);
  background: rgba(196, 169, 125, 0.08);
  transform: translateY(-1px);
}

.scroll-indicator {
  animation: fadeInUp 1s ease 0.8s forwards;
  opacity: 0;
  display: inline-block;
}

.scroll-indicator-track {
  width: 26px;
  height: 42px;
  border: 1.5px solid rgba(139, 125, 107, 0.4);
  border-radius: 13px;
  position: relative;
  margin: 0 auto;
  cursor: pointer;
}

.scroll-indicator-dot {
  width: 2px;
  height: 7px;
  background: var(--summit);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollDot 2s ease-in-out infinite;
}

/* ========== MOUNTAIN DIVIDER ========== */
.mountain-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin: 0 0 -1px 0;
}

.mountain-divider svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* ========== SECTIONS ========== */
.section {
  max-width: 920px;
  margin: 0 auto;
  padding: 100px 40px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

.section-experience {
  padding: 80px 40px 100px;
}

.section-skills-wrap {
  background: rgba(31, 30, 26, 0.53);
}

.section-contact-wrap {
  background: linear-gradient(180deg, var(--stone), #0f1210);
}

.section-contact {
  text-align: center;
}

/* ========== SECTION TITLES ========== */
.section-title {
  margin-bottom: 52px;
}

.section-title-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--alpine);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-title-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--alpine);
}

.section-title h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 46px);
  color: var(--snow);
  font-weight: 400;
  margin: 0;
  line-height: 1.2;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 18px;
}

.about-text p:first-child { color: var(--cloud); }
.about-text p:nth-child(2),
.about-text p:nth-child(3) { color: var(--ridge); }
.about-text p:last-child { margin-bottom: 0; }
.about-text strong { font-weight: inherit; }

.about-stats {
  background: var(--bark);
  border: 1px solid var(--trail);
  border-radius: 10px;
  padding: 26px;
}

.about-stats-title {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--alpine);
  margin-bottom: 18px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.about-stats dl { margin: 0; padding: 0; }

.about-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid var(--trail);
  font-family: var(--font-body);
  font-size: 13px;
}

.about-stat-label { color: var(--ridge); margin: 0; }
.about-stat-value { color: var(--snow); font-weight: 500; text-align: right; margin: 0; }

/* ========== TIMELINE ========== */
.timeline-item {
  display: grid;
  grid-template-columns: 140px 36px 1fr;
  gap: 0;
  margin-bottom: 52px;
  opacity: 0;
  transform: translateX(-25px);
  transition: all 0.7s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--alpine);
  padding-top: 5px;
  text-align: right;
}

.timeline-line {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--sunset);
  background: var(--stone);
  flex-shrink: 0;
  margin-top: 5px;
}

.timeline-connector {
  width: 1.5px;
  flex: 1;
  background: linear-gradient(to bottom, rgba(199, 96, 61, 0.2), transparent);
}

.timeline-content {
  padding-left: 20px;
}

.timeline-content h3 {
  font-family: var(--font-display);
  font-size: 21px;
  color: var(--snow);
  margin: 0 0 4px 0;
  font-weight: 600;
}

.timeline-company {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--sunset);
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.timeline-content li {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ridge);
  line-height: 1.7;
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
}

.timeline-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--trail);
}

/* ========== AEO SECTION ========== */
.aeo-section {
  background: linear-gradient(135deg, var(--bark), #1a2018);
  border: 1px solid rgba(74, 124, 111, 0.2);
  border-radius: 12px;
  padding: 36px;
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(25px);
  transition: all 0.7s ease;
}

.aeo-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.aeo-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--sunset);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.aeo-section h3 {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--snow);
  margin: 0 0 16px;
  font-weight: 600;
}

.aeo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.aeo-item {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--ridge);
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
}

.aeo-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--alpine);
}

/* ========== SKILLS ========== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.skill-category {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.skill-category.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-category h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--alpine);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--trail);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--cloud);
  font-weight: 500;
  background: rgba(50, 47, 40, 0.67);
  padding: 7px 16px;
  border-radius: 6px;
  border: 1px solid var(--trail);
}

/* ========== PROJECTS ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: 20px;
}

.project-card {
  background: var(--bark);
  border: 1px solid var(--trail);
  border-radius: 10px;
  padding: 30px;
  cursor: default;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sunset), var(--alpine));
  opacity: 0;
  transition: opacity 0.4s;
}

.project-card:hover {
  background: linear-gradient(145deg, var(--bark), #252218);
  border-color: rgba(139, 125, 107, 0.27);
  transform: translateY(-3px);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--snow);
  margin: 0 0 10px;
  font-weight: 600;
}

.project-card p {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ridge);
  line-height: 1.7;
  margin: 0 0 18px 0;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--alpine);
  background: rgba(74, 124, 111, 0.08);
  padding: 3px 10px;
  border-radius: 16px;
  border: 1px solid rgba(74, 124, 111, 0.16);
}

/* ========== BLOG ========== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: 20px;
}

.blog-card {
  background: var(--bark);
  border: 1px solid var(--trail);
  border-radius: 10px;
  padding: 30px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  display: block;
  text-decoration: none;
}

.blog-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sunset), var(--alpine));
  opacity: 0;
  transition: opacity 0.4s;
}

.blog-card:hover {
  background: linear-gradient(145deg, var(--bark), #252218);
  border-color: rgba(139, 125, 107, 0.27);
  transform: translateY(-3px);
}

.blog-card:hover::before {
  opacity: 1;
}

.blog-card-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--alpine);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.blog-card-meta .separator {
  color: var(--trail);
  font-size: 8px;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--snow);
  margin: 0 0 12px;
  font-weight: 600;
  line-height: 1.3;
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--ridge);
  line-height: 1.7;
  margin: 0 0 18px 0;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.blog-card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--alpine);
  background: rgba(74, 124, 111, 0.08);
  padding: 3px 10px;
  border-radius: 16px;
  border: 1px solid rgba(74, 124, 111, 0.16);
}

.blog-card-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sunset);
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color 0.3s;
}

.blog-card:hover .blog-card-link {
  color: var(--snow);
}

/* ========== CONTACT ========== */
.contact-text {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ridge);
  line-height: 1.8;
  max-width: 520px;
  margin: 0 auto 40px;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-contact-email {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--snow);
  padding: 14px 32px;
  background: var(--sunset);
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  display: inline-block;
}

.btn-contact-email:hover {
  background: var(--ember);
  transform: translateY(-1px);
}

.btn-contact-phone {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--summit);
  padding: 14px 32px;
  border: 1px solid rgba(196, 169, 125, 0.27);
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s;
  display: inline-block;
}

.btn-contact-phone:hover {
  border-color: rgba(196, 169, 125, 0.5);
  background: rgba(196, 169, 125, 0.08);
  transform: translateY(-1px);
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 28px;
  align-items: center;
}

.contact-links .download-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--alpine);
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: color 0.3s;
}

.contact-links .download-link:hover {
  color: var(--snow);
}

.contact-links .separator {
  color: var(--trail);
  font-size: 10px;
}

.contact-links .linkedin-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sky);
  letter-spacing: 1px;
  text-decoration: none;
  transition: color 0.3s;
}

.contact-links .linkedin-link:hover {
  color: var(--snow);
}

/* ========== FOOTER ========== */
.footer {
  border-top: 1px solid rgba(50, 47, 40, 0.27);
  padding: 40px;
  text-align: center;
}

.footer p {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(139, 125, 107, 0.53);
  margin-top: 14px;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollDot {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.7; }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav { padding: 12px 16px !important; }
  .nav.scrolled { padding: 12px 16px !important; }
  .nav-brand-name { font-size: 15px; }
  .nav-links { gap: 12px; }
  .nav-link { font-size: 9px; letter-spacing: 1px; }

  .section { padding-left: 20px !important; padding-right: 20px !important; }

  .about-grid { grid-template-columns: 1fr !important; gap: 24px !important; }

  .timeline-item { grid-template-columns: 1fr !important; gap: 0 !important; }
  .timeline-year { text-align: left !important; margin-bottom: 4px !important; }
  .timeline-line { display: none !important; }
  .timeline-content { padding-left: 0 !important; }

  .skills-grid { grid-template-columns: 1fr !important; }
  .projects-grid { grid-template-columns: 1fr !important; }
  .blog-grid { grid-template-columns: 1fr !important; }
  .aeo-grid { grid-template-columns: 1fr !important; }

  .hero-buttons { flex-direction: column; align-items: center; }
  .contact-buttons { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .nav-link { font-size: 8px; letter-spacing: 0.5px; }
  .hero h1 { font-size: 44px !important; }
  .section-title h2 { font-size: 28px !important; }
}