/* ─── Google Fonts ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@300;400;500&family=DM+Sans:wght@300;400;500&display=swap');

/* ─── CSS Variables (edit here to retheme the entire site) ──────────────────── */
:root {
  /* Brand colors — change these to retheme */
  --color-primary:        #F97316;   /* orange-500  */
  --color-primary-light:  #FB923C;   /* orange-400  */
  --color-primary-dim:    rgba(249, 115, 22, 0.12);

  /* Dark theme (default) */
  --color-bg:             #0D0D0D;
  --color-bg-card:        #141414;
  --color-bg-card-hover:  #1A1A1A;
  --color-border:         rgba(255,255,255,0.07);
  --color-text:           #E8E8E8;
  --color-text-muted:     #7A7A7A;
  --color-text-faint:     #3A3A3A;
  --color-nav-bg:         rgba(13,13,13,0.85);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --font-body:    'DM Sans', sans-serif;

  /* Spacing */
  --section-padding: 7rem 0;
  --container-width: 1100px;

  /* Effects */
  --radius:       12px;
  --radius-sm:    6px;
  --transition:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow:       0 4px 40px rgba(0,0,0,0.4);
  --shadow-glow:  0 0 40px rgba(249, 115, 22, 0.15);
}

[data-theme="light"] {
  --color-bg:             #F7F5F2;
  --color-bg-card:        #FFFFFF;
  --color-bg-card-hover:  #F0EDE9;
  --color-border:         rgba(0,0,0,0.08);
  --color-text:           #1A1A1A;
  --color-text-muted:     #6B6B6B;
  --color-text-faint:     #C0C0C0;
  --color-nav-bg:         rgba(247,245,242,0.9);
  --shadow:               0 4px 24px rgba(0,0,0,0.08);
  --shadow-glow:          0 0 40px rgba(249, 115, 22, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

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

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

/* ─── Container ─────────────────────────────────────────────────────────────── */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── Noise Texture Overlay ─────────────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ─── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: var(--color-nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-primary);
  transition: width var(--transition);
}

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

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-btn, .theme-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover, .theme-btn:hover,
.lang-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-dim);
}

.theme-btn { font-size: 1rem; padding: 0.3rem 0.6rem; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero-glow-2 {
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(249,115,22,0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 0.2s;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 0.4s;
}

.hero-name-accent { color: var(--color-primary); }

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 0.6s;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 0.8s;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 1s;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  box-shadow: 0 0 0 0 rgba(249,115,22,0.4);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  box-shadow: 0 0 0 6px rgba(249,115,22,0.1);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-text);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-dim);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s forwards 1.4s;
}

.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ─── Section Common ────────────────────────────────────────────────────────── */
section { padding: var(--section-padding); position: relative; z-index: 1; }

.section-header {
  margin-bottom: 3.5rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

/* ─── About ─────────────────────────────────────────────────────────────────── */
#about { background: transparent; }

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease 0.1s, transform 0.7s ease 0.1s;
}

.about-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

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

.about-skills h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 1rem;
}

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

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  background: var(--color-primary-dim);
  color: var(--color-primary);
  border: 1px solid rgba(249,115,22,0.2);
  transition: all var(--transition);
}

.tag:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ─── Projects ──────────────────────────────────────────────────────────────── */
#projects {
  border-top: 1px solid var(--color-border);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.project-card-inner {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.project-card-inner:hover {
  border-color: rgba(249,115,22,0.2);
  background: var(--color-bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.project-card-inner:hover::before {
  transform: scaleX(1);
}

.project-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-primary);
  opacity: 0.6;
}

.project-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
}

.project-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
}

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

.project-links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.project-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition);
}

.project-link:hover { color: var(--color-primary); }

/* ─── CV / Timeline ──────────────────────────────────────────────────────────── */
#cv { border-top: 1px solid var(--color-border); }

.cv-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.cv-section-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 2rem;
}

.timeline { position: relative; padding-left: 1.5rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

.timeline-dot {
  position: absolute;
  left: -1.9rem;
  top: 0.4rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-bg), 0 0 0 4px rgba(249,115,22,0.3);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0.3rem 0 0.2rem;
}

.timeline-company {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.timeline-desc strong {
  color: var(--color-text);
  font-weight: 600;
}

.cv-download-wrap { margin-top: 2rem; }

/* ─── Contact ───────────────────────────────────────────────────────────────── */
#contact { border-top: 1px solid var(--color-border); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }

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

.contact-item-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.contact-item-value {
  font-size: 1rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.contact-item-value:hover { color: var(--color-primary); }

.contact-social {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-dim);
  transform: translateX(4px);
}

.social-link svg { flex-shrink: 0; }

.contact-cta {
  padding: 2rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.contact-cta p {
  font-size: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.contact-cta p span { color: var(--color-primary); }

/* ─── Footer ────────────────────────────────────────────────────────────────── */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}

.footer-logo span { color: var(--color-primary); }

.footer-made {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-faint);
}

.footer-rights {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-faint);
}

/* ─── Scroll Animations ──────────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --section-padding: 5rem 0; }

  .nav-links { display: none; flex-direction: column; gap: 1rem; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-bg);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
  }
  .hamburger { display: flex; }

  .about-content,
  .cv-layout,
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }

  .hero-scroll { display: none; }
}