/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg-primary:    #0a0a0f;
  --bg-secondary:  #0f0f18;
  --bg-card:       rgba(255, 255, 255, 0.04);
  --accent-cyan:   #00F2DE;
  --accent-purple: #7B61FF;
  --accent-blue:   #3B82F6;
  --accent-green:  #10B981;
  --accent-amber:  #F59E0B;
  --text-primary:  #f0f0f5;
  --text-secondary: #8892a4;
  --border:        rgba(0, 242, 222, 0.18);
  --border-subtle: rgba(255, 255, 255, 0.07);
  --glow-cyan:     0 0 24px rgba(0, 242, 222, 0.25);
  --glow-purple:   0 0 24px rgba(123, 97, 255, 0.25);
  --font-main: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  --radius-card: 16px;
  --radius-pill: 100px;
  --transition:  0.3s ease;
  --nav-height:  68px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 17.5px;
}

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

/* Dot grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(0, 242, 222, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient glow blobs */
body::after {
  content: '';
  position: fixed;
  top: -15%;
  right: -8%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(123, 97, 255, 0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.glow-blob-2 {
  position: fixed;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 242, 222, 0.05) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

section, header, footer, nav {
  position: relative;
  z-index: 1;
}

ul  { list-style: none; }
a   { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Typography ── */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

/* ── Section layout ── */
.section {
  padding: 110px 8% 80px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}

.section-heading {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
}

/* ── Utilities ── */
.accent { color: var(--accent-cyan); }
.mono   { font-family: var(--font-mono); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 0.93rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #0a0a0f;
  box-shadow: 0 0 20px rgba(0, 242, 222, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 0 36px rgba(0, 242, 222, 0.55);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.btn-ghost:hover {
  background: rgba(0, 242, 222, 0.1);
  transform: translateY(-2px);
}

/* ── Glass card base ── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.glass-card:hover {
  border-color: rgba(0, 242, 222, 0.22);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
}

/* ── Tags ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0, 242, 222, 0.07);
  border: 1px solid rgba(0, 242, 222, 0.18);
  color: var(--accent-cyan);
  font-size: 0.73rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 8%;
}

.nav-logo img {
  height: 52px;
  width: auto;
  transition: transform var(--transition);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 7px 15px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 222, 0.06);
}

.nav-link.active::after,
.nav-link:hover::after {
  width: 55%;
}

.nav-close {
  display: none;
  padding: 16px 20px;
  justify-content: flex-end;
}

.nav-close i {
  font-size: 1.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition);
}

.nav-close i:hover { color: var(--accent-cyan); }

#nav-menu-btn {
  display: none;
  font-size: 1.8rem;
  color: var(--accent-cyan);
  cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: var(--nav-height) 8% 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero-content {
  flex: 1;
  max-width: 580px;
}

.hero-badge {
  display: inline-block;
  padding: 7px 18px;
  border: 1px solid rgba(0, 242, 222, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(0, 242, 222, 0.06);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}

.hero-name {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  margin-bottom: 16px;
}

.hero-role {
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 20px;
  min-height: 2.4rem;
}

.hero-role .typed-text {
  color: var(--accent-cyan);
  font-weight: 600;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 460px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-social {
  display: flex;
  gap: 12px;
}

.hero-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 1.25rem;
  transition: var(--transition);
}

.hero-social a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 242, 222, 0.3);
  transform: translateY(-3px);
}

/* Profile image */
.hero-image {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.profile-ring {
  position: relative;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  padding: 5px;
  background: conic-gradient(from 0deg, var(--accent-cyan), var(--accent-purple), var(--accent-cyan));
  animation: glow-pulse 3.5s ease-in-out infinite;
}

.profile-ring::before {
  content: '';
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 1px dashed rgba(0, 242, 222, 0.2);
  animation: float 7s ease-in-out infinite;
}

.profile-ring::after {
  content: '';
  position: absolute;
  inset: -30px;
  border-radius: 50%;
  border: 1px dashed rgba(123, 97, 255, 0.12);
  animation: float 9s ease-in-out infinite reverse;
}

.profile-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 28px 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
  font-size: 1.4rem;
  transition: var(--transition);
}

.footer-top:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE — BASE LAYOUT
   ============================================================ */
@media (max-width: 1100px) {
  .section       { padding: 90px 6% 60px; }
  .nav-container { padding: 0 6%; }
  .hero          { padding: var(--nav-height) 6% 0; }
  .profile-ring  { width: 300px; height: 300px; }
}

@media (max-width: 768px) {
  /* Mobile nav */
  #nav-menu-btn { display: block; }

  .nav-close { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: #0f0f18;
    border-left: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: 0 0 40px;
    gap: 0;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2000;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }

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

  .nav-link {
    width: 100%;
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: 0;
  }

  .nav-link::after { display: none; }

  /* Hero mobile */
  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding: 100px 5% 60px;
    gap: 32px;
    justify-content: center;
  }

  .hero-content  { max-width: 100%; }
  .hero-actions  { justify-content: center; }
  .hero-social   { justify-content: center; }
  .hero-tagline  { margin-left: auto; margin-right: auto; }
  .profile-ring  { width: 240px; height: 240px; }

  /* Sections */
  .section { padding: 70px 5% 50px; min-height: auto; }
  .section-heading { font-size: 1.8rem; }

  .footer { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  html { font-size: 16px; }
  .hero { padding: 90px 4% 50px; }
  .profile-ring { width: 190px; height: 190px; }
  .hero-name { font-size: 2.2rem; }
}