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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --surface: #1e1e2e;
  --border: #2a2a3a;
  --border-hover: #3a3a5a;
  --text: #e4e4ef;
  --text-dim: #8888a4;
  --text-muted: #55556a;
  --accent: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --accent-2: #ec4899;
  --accent-3: #10b981;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg);
  overflow-x: hidden;
  max-width: 100%;
}

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

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

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

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 200;
  transition: width 0.1s ease-out;
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-3);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.55);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent-3);
  animation: whatsapp-pulse 2.5s ease-out infinite;
  z-index: -1;
}

@keyframes whatsapp-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 600px) {
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 50px;
    height: 50px;
  }
}

/* ============================================
   CURSOR GLOW
   ============================================ */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

body:hover .cursor-glow {
  opacity: 1;
}

/* ============================================
   BACKGROUND GRID
   ============================================ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.15;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 100%);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  transition: var(--transition);
  backdrop-filter: blur(0px);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

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

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  gap: 2px;
}

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

.logo-text {
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dim);
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

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

.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);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(10, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-menu.active {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-dim);
  transition: color var(--transition);
}

.mobile-link:hover {
  color: var(--accent);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-3);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.hero-title span:first-child {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-dim);
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-role {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-dim);
}

.typing-wrapper {
  display: inline-flex;
  align-items: center;
}

.typing {
  color: var(--accent);
}

.cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  font-weight: 300;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

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

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary span, .btn-primary svg {
  position: relative;
  z-index: 1;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 3rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  font-family: var(--font-mono);
}

.stat-plus {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.orbit-container {
  position: relative;
  width: 360px;
  height: 360px;
}

.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
  animation: spin 20s linear infinite;
}

.orbit-1 {
  inset: 0;
  border-color: rgba(99, 102, 241, 0.2);
}

.orbit-2 {
  inset: 30px;
  border-color: rgba(236, 72, 153, 0.2);
  animation-direction: reverse;
  animation-duration: 15s;
}

.orbit-3 {
  inset: 60px;
  border-color: rgba(16, 185, 129, 0.2);
  animation-duration: 25s;
}

.orbit-dot {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.orbit-2 .orbit-dot {
  background: var(--accent-2);
  box-shadow: 0 0 12px rgba(236, 72, 153, 0.5);
}

.orbit-3 .orbit-dot {
  background: var(--accent-3);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.orbit-center {
  position: absolute;
  inset: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-block {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.code-keyword { color: #c792ea; }
.code-var { color: #82aaff; }
.code-key { color: #f78c6c; }
.code-string { color: #c3e88d; }
.code-number { color: #f78c6c; }

/* Hero photo (sits inside .orbit-center) */
.hero-photo {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

.hero-photo-initials {
  display: none;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
}

/* When the photo fails to load (placeholder src), show initials instead */
.hero-photo.no-photo img {
  display: none;
}

.hero-photo.no-photo .hero-photo-initials {
  display: block;
}

/* Small code accent card under the photo */
.mini-code-card {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  max-width: 320px;
  width: 100%;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--text), var(--text-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 500px;
  margin: 1rem auto 0;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 4rem;
  align-items: start;
}

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

.about-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail {
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  min-width: 100px;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

/* Tech Marquee */
.tech-marquee {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 1.5rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  gap: 0.75rem;
  animation: marquee 20s linear infinite;
  width: max-content;
}

.tech-pill {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  transition: var(--transition);
}

.tech-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

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

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.skill-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

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

.skill-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--accent);
  transition: var(--transition);
}

.skill-card:hover .skill-icon {
  background: var(--accent);
  color: white;
  transform: scale(1.05);
}

.skill-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.skill-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.6;
}

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

.skill-tags span {
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  background: var(--surface);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.project-image {
  height: 200px;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card), color-mix(in srgb, var(--accent) 15%, var(--bg-card)));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent, #6366f1);
  transition: var(--transition);
}

.project-card:hover .project-placeholder {
  transform: scale(1.05);
  filter: brightness(1.3);
}

.project-info {
  padding: 1.5rem;
}

.project-meta {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.project-year, .project-type {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.project-type {
  color: var(--accent);
}

.project-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.project-tech span {
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  background: var(--surface);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: color var(--transition);
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--accent);
  transform: translateX(8px);
  background: var(--bg-card-hover);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.contact-value {
  display: block;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 600;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

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

.footer-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-year {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0s);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translate(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-visual {
    max-width: 480px;
  }
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 7rem;
    gap: 2rem;
  }

  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }

  .hero-visual { display: none; }

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

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

  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 600px) {
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-2);
}