/* ===========================
   RIAAN ENGELBRECHT PORTFOLIO
   =========================== */

:root {
  --black: #0a0a0a;
  --white: #f5f2eb;
  --accent: #c8f04a;
  --accent-dark: #a8d030;
  --mid: #1a1a1a;
  --card-bg: #141414;
  --text-muted: #888;
  --border: rgba(255,255,255,0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== NAV ===== */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0 2rem;
  background: transparent;
  transition: background 0.3s;
}

#navbar.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--accent);
  letter-spacing: 2px;
}

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

.nav-links a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(200, 240, 74, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(200, 240, 74, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -2px;
  margin-bottom: 2rem;
}

.hero-sub {
  max-width: 560px;
  font-size: 1.1rem;
  color: rgba(245, 242, 235, 0.65);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

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

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 2rem;
}

.section-dark {
  background: var(--mid);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.section-sub {
  color: rgba(245, 242, 235, 0.6);
  max-width: 600px;
  margin-bottom: 3rem;
  font-size: 1rem;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: rgba(245, 242, 235, 0.7);
  margin-bottom: 1rem;
}

.fun-fact {
  color: var(--accent) !important;
  font-style: italic;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 1rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s, border-color 0.3s;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 240, 74, 0.3);
}

.project-header {
  padding: 2rem;
  position: relative;
}

.bamboo-header {
  background: linear-gradient(135deg, #1a2e1a, #2a4a2a);
}

.hightide-header {
  background: linear-gradient(135deg, #1a1a2e, #2a2a4a);
}

.portfolio-header {
  background: linear-gradient(135deg, #2e1a1a, #4a2a2a);
}

.project-badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--black);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.wip-badge {
  background: rgba(245, 242, 235, 0.15);
  color: var(--white);
}

.project-header h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
}

.project-body {
  padding: 1.5rem 2rem 2rem;
}

.project-body p {
  color: rgba(245, 242, 235, 0.65);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tags span {
  font-size: 0.75rem;
  padding: 4px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.skill-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  transition: border-color 0.2s, transform 0.2s;
}

.skill-item:hover {
  border-color: rgba(200, 240, 74, 0.4);
  transform: translateY(-3px);
}

.skill-icon {
  font-size: 1.2rem;
}

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

.contact-container h2 {
  margin-bottom: 1rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
  margin: 2.5rem auto 0;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
  font-size: 0.95rem;
}

.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(6px);
}

.contact-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
  }

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

  .menu-btn {
    display: block;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-title {
    font-size: clamp(3rem, 15vw, 6rem);
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }
}