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

:root {
  --bg:        #0d0f14;
  --bg-2:      #12151c;
  --bg-3:      #181c26;
  --accent:    #00e5a0;
  --accent-2:  #00b87a;
  --text:      #e8eaf0;
  --text-2:    #9aa0b4;
  --text-3:    #5a6075;
  --border:    rgba(255,255,255,0.07);
  --border-2:  rgba(0,229,160,0.25);
  --font-mono: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --radius:    12px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

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

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-2); border-radius: 2px; }

/* ===== NAV ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13,15,20,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(13,15,20,0.97);
  box-shadow: 0 2px 32px rgba(0,0,0,0.4);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.blink {
  animation: blink 1.1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}
.nav-links a {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  letter-spacing: 0.03em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--accent); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem 2rem 1.5rem;
  gap: 0.5rem;
  border-top: 1px solid var(--border);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-2);
  padding: 0.5rem 0;
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--accent); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 7rem 2rem 4rem;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 60% 50%, rgba(0,229,160,0.05) 0%, transparent 70%);
}

.hero-inner {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.08em;
}

.hero-name {
  font-family: var(--font-mono);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.hero-name .accent { color: var(--accent); }

.hero-desc {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #0d0f14;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.03em;
}
.btn-primary:hover {
  background: #00ffb3;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,229,160,0.25);
}
.btn-primary.full-width { width: 100%; justify-content: center; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.03em;
}
.btn-outline:hover {
  background: rgba(0,229,160,0.08);
  transform: translateY(-2px);
}

/* Profile image */
.hero-img-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: relative;
}
.img-ring {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  padding: 4px;
  background: conic-gradient(var(--accent) 0%, var(--bg-3) 60%);
  animation: spin 8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.profile-photo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  animation: spin 8s linear infinite reverse;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
  animation: float 2.5s ease-in-out infinite;
}
@keyframes float {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 2rem;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}

/* ===== ABOUT ===== */
.about-section { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-bio p {
  color: var(--text-2);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}
.values-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.value-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,229,160,0.07);
  border: 1px solid var(--border-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
}
.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.info-tile {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  transition: border-color var(--transition);
}
.info-tile:hover { border-color: var(--border-2); }
.info-tile i {
  color: var(--accent);
  font-size: 1rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.info-tile strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.info-tile span {
  font-size: 0.85rem;
  color: var(--text-2);
}

/* ===== SKILLS ===== */
.skills-section { background: var(--bg); }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.skill-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-card:hover {
  border-color: var(--border-2);
  transform: translateY(-4px);
}
.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.skill-card-header i {
  color: var(--accent);
  font-size: 1rem;
}
.skill-card-header h3 {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  letter-spacing: 0.02em;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.skill-tags span {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.78rem;
  padding: 0.3rem 0.75rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  transition: color var(--transition), border-color var(--transition);
}
.skill-card:hover .skill-tags span {
  border-color: rgba(0,229,160,0.15);
  color: var(--text);
}

/* ===== EXPERIENCE ===== */
.exp-section { background: var(--bg-2); }
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-left: 1rem;
}
.tl-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 1.5rem;
  padding-bottom: 3rem;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.tl-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-2);
  box-shadow: 0 0 10px rgba(0,229,160,0.4);
  flex-shrink: 0;
  margin-top: 4px;
}
.tl-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
  margin-top: 6px;
}
.tl-body {
  padding-bottom: 1rem;
}
.tl-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.tl-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
  letter-spacing: 0.05em;
}
.tl-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(0,229,160,0.12);
  color: var(--accent);
  border: 1px solid var(--border-2);
  padding: 0.15rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tl-role {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.tl-company {
  font-size: 0.88rem;
  color: var(--accent-2);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tl-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}
.tl-points li {
  font-size: 0.9rem;
  color: var(--text-2);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.6;
}
.tl-points li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8rem;
}
.tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tl-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-3);
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

/* ===== PROJECTS ===== */
.projects-section { background: var(--bg); }
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.project-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.project-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.project-card:hover::before { opacity: 1; }
.project-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color var(--transition);
}
.project-card:hover .project-num { color: var(--border-2); }
.project-card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.project-card p {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(0,229,160,0.07);
  border: 1px solid rgba(0,229,160,0.15);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
}

/* ===== CERTIFICATIONS ===== */
.certs-section { background: var(--bg-2); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.cert-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
}
.cert-card:hover { border-color: var(--border-2); transform: translateY(-4px); }
.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0,229,160,0.1);
  border: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
  font-size: 1.1rem;
}
.cert-info h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.4;
}
.cert-info p {
  font-size: 0.82rem;
  color: var(--text-2);
  margin-bottom: 0.4rem;
}
.cert-info span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

/* ===== CONTACT ===== */
.contact-section { background: var(--bg); }
.contact-sub {
  font-size: 1rem;
  color: var(--text-2);
  margin-top: -2rem;
  margin-bottom: 3rem;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: border-color var(--transition);
  cursor: pointer;
}
.contact-item:not(.no-link):hover { border-color: var(--border-2); }
.ci-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,229,160,0.08);
  border: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item strong {
  display: block;
  font-size: 0.78rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.15rem;
}
.contact-item span {
  font-size: 0.88rem;
  color: var(--text);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-row input::placeholder,
.form-row textarea::placeholder { color: var(--text-3); }
.form-row input:focus,
.form-row textarea:focus { border-color: var(--accent); }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-3);
}
.footer-social {
  display: flex;
  gap: 1.25rem;
}
.footer-social a {
  color: var(--text-3);
  font-size: 1.1rem;
  transition: color var(--transition);
}
.footer-social a:hover { color: var(--accent); }

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 3rem; }
  .hero-inner .hero-img-wrap { order: -1; }
  .hero-desc { margin: 0 auto 2rem; }
  .hero-btns { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 1.25rem; }
  .img-ring { width: 180px; height: 180px; }
  .hero-name { font-size: 2.2rem; }
}