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

:root {
  --bg: #0a0a0a;
  --bg-card: #111111;
  --text: #e0e0e0;
  --text-muted: #777777;
  --accent: #c9a84c;
  --accent-hover: #ddbf6a;
  --border: #1e1e1e;
  --font-sans: 'Inter', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ===================== Navbar ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  z-index: 1000;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.nav-logo:hover {
  color: var(--accent);
}

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

.nav-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.3s ease;
}

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

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===================== Hero ===================== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
  position: relative;
}

.hero-content {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s ease forwards 0.3s;
}

.hero-greeting {
  font-size: 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
  font-weight: 400;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-role {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 2.5rem;
  letter-spacing: 0.05em;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.btn:hover {
  background-color: var(--accent);
  color: var(--bg);
}

.btn-large {
  padding: 1rem 2.8rem;
  font-size: 0.95rem;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s ease forwards 1.5s;
}

.scroll-indicator span {
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ===================== Sections ===================== */
.section {
  padding: 7rem 2rem;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  margin-bottom: 3rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent);
}

/* ===================== About ===================== */
.about-content {
  margin-bottom: 2.5rem;
}

.about-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  font-weight: 300;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===================== Projects ===================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2.2rem;
  transition: border-color 0.4s ease, transform 0.4s ease;
  opacity: 0;
  transform: translateY(40px);
}

.project-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.4s ease;
}

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

.project-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--border);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 1rem;
  transition: color 0.3s ease;
}

.project-card:hover .project-number {
  color: var(--accent);
}

.project-name {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-links {
  display: flex;
  gap: 1.5rem;
}

.project-link {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ===================== Contact ===================== */
.contact-container {
  text-align: center;
}

.contact-text {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.social-links {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.social-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 400;
  transition: color 0.3s ease;
}

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

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

.footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ===================== Animations ===================== */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.4;
    transform: scaleY(0.6);
  }
}

/* ===================== Responsive ===================== */
@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: right 0.4s ease;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .section {
    padding: 5rem 1.5rem;
  }

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

  .hero-name {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }
}