/* ========================================
   VARIABLES & RESET
   ======================================== */
:root {
  --bg: #03050d;
  --surface: rgba(8, 14, 32, 0.85);
  --border: rgba(100, 180, 255, 0.12);
  --border-bright: rgba(100, 180, 255, 0.35);
  --accent: #38bdf8;
  --accent2: #818cf8;
  --accent3: #34d399;
  --text: #e2eeff;
  --muted: #6b83a8;
  --heading: 'Syne', sans-serif;
  --body: 'DM Sans', sans-serif;
  --nav-height: 68px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  cursor: none;
}

/* Touch devices: restore default cursor */
@media (pointer: coarse) {
  body { cursor: auto; }
  a, button, .card, .btn, .project-link-btn, .contact-link { cursor: pointer; }
  #cursor, #cursor-ring { display: none !important; }
}

/* ========================================
   CUSTOM CURSOR (desktop only)
   ======================================== */
#cursor {
  position: fixed;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: screen;
}

#cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.12s ease-out, width 0.25s, height 0.25s;
}

/* ========================================
   BACKGROUND CANVAS & EFFECTS
   ======================================== */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.blob-1 { width: 500px; height: 500px; background: rgba(56,189,248,0.06); top: -10%; left: -10%; }
.blob-2 { width: 400px; height: 400px; background: rgba(129,140,248,0.05); bottom: 20%; right: -10%; }
.blob-3 { width: 300px; height: 300px; background: rgba(52,211,153,0.04); bottom: 40%; left: 30%; }

/* ========================================
   WRAPPER
   ======================================== */
.wrapper {
  position: relative;
  z-index: 10;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

/* ========================================
   NAVIGATION
   ======================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
  height: var(--nav-height);
  background: rgba(3, 5, 13, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

nav.scrolled {
  background: rgba(3, 5, 13, 0.96);
}

.nav-logo {
  font-family: var(--heading);
  font-size: 1.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  z-index: 201;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Hire Me button in nav */
.hire-me-btn {
  flex-shrink: 0;
}

/* ========================
   HAMBURGER BUTTON
   ======================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  z-index: 201;
  flex-shrink: 0;
  transition: border-color 0.2s;
}

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

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.25s ease, width 0.25s ease;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay for closing menu */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(3, 5, 13, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.nav-overlay.active {
  display: block;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--nav-height);
  flex-direction: column;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 40px;
  padding: 0.4rem 1.2rem;
  margin-bottom: 2rem;
  animation: fadeUp 0.8s ease both;
}

.status-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero h1 {
  font-family: var(--heading);
  font-size: clamp(2.6rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  animation: fadeUp 0.9s 0.1s ease both;
}

.hero h1 .name-line {
  display: block;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent) 45%, var(--accent2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 .sub-line {
  display: block;
  font-size: 0.42em;
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin-top: 0.5rem;
}

.hero-desc {
  max-width: 580px;
  margin: 1.8rem auto 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  font-weight: 300;
  animation: fadeUp 1s 0.2s ease both;
  padding: 0 1rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 1s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-family: var(--body);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s;
  cursor: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--accent);
  color: #03050d;
}

.btn-primary:hover {
  background: #7dd3fc;
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.35);
}

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

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

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
  margin-top: 2rem;
  animation: fadeUp 1s 0.4s ease both;
  padding: 0 1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 0.35rem 0.9rem;
}

.chip i { font-size: 0.7rem; color: var(--accent); }

.scroll-hint {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  animation: fadeUp 1s 0.8s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ========================================
   SECTIONS
   ======================================== */
section {
  padding: 6rem 0;
  position: relative;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--heading);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.section-rule {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 1.5rem 0 3rem;
}

/* ========================================
   CARD BASE
   ======================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 0 40px rgba(56,189,248,0.08);
  transform: translateY(-3px);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  align-items: start;
}

.about-stats-col {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Mobile: stats in 2-column grid */
@media (max-width: 768px) {
  .about-stats-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }
}

.stat-card { padding: 1.6rem 1.8rem; }

.stat-number {
  font-family: var(--heading);
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

.about-text-col { padding: 2rem 2.2rem; }

.about-text-col p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(226,238,255,0.75);
  margin-bottom: 1.2rem;
}

.about-skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.skill-pill {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.3rem 0.85rem;
  border-radius: 30px;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all 0.2s;
  cursor: default;
}

.skill-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(56,189,248,0.06);
}

/* ========================================
   EXPERIENCE TIMELINE
   ======================================== */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.tl-item {
  position: relative;
  margin-bottom: 2.8rem;
  padding: 1.8rem 2rem;
}

.tl-item::before {
  content: '';
  position: absolute;
  left: -2.37rem;
  top: 1.8rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 12px var(--accent);
}

.tl-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tl-role {
  font-family: var(--heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.tl-date {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(56,189,248,0.08);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 30px;
  padding: 0.25rem 0.8rem;
  white-space: nowrap;
}

.tl-org {
  font-size: 0.82rem;
  color: var(--accent2);
  margin: 0.3rem 0 0.8rem;
  font-weight: 500;
}

.tl-points { list-style: none; }

.tl-points li {
  font-size: 0.85rem;
  line-height: 1.65;
  color: rgba(226,238,255,0.65);
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.4rem;
}

.tl-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.project-card {
  padding: 1.8rem 2rem;
  overflow: hidden;
  position: relative;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s;
}

.project-card:hover::before { transform: scaleX(1); }

.project-num {
  font-family: var(--heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(56,189,248,0.06);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
  pointer-events: none;
}

.project-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(56,189,248,0.1);
  border: 1px solid rgba(56,189,248,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--accent);
}

.project-title {
  font-family: var(--heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-sub {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.project-desc {
  font-size: 0.83rem;
  line-height: 1.65;
  color: rgba(226,238,255,0.6);
  margin-bottom: 1.2rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.22rem 0.65rem;
  border-radius: 20px;
  background: rgba(129,140,248,0.1);
  border: 1px solid rgba(129,140,248,0.25);
  color: var(--accent2);
}

.project-link-btn {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s;
  padding: 0.5rem 0; /* Bigger tap target */
}

.project-link-btn:hover { gap: 0.8rem; }

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills-section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skills-group { padding: 1.5rem 1.8rem; }

.skills-group-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skills-group-title i { font-size: 0.8rem; }

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.skill-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.skill-name { font-size: 0.83rem; color: var(--text); }

.skill-bar-wrap {
  width: 80px;
  height: 3px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.skill-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0%;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   EDUCATION SECTION
   ======================================== */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.edu-card { padding: 1.8rem; text-align: center; }

.edu-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.2rem;
  color: var(--accent3);
}

.edu-degree {
  font-family: var(--heading);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.edu-school {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.edu-grade {
  font-family: var(--heading);
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent3), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.edu-period {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

/* ========================================
   CERTIFICATIONS SECTION
   ======================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.cert-card {
  padding: 1.4rem 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cert-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.cert-logo.oracle { background: rgba(220,70,30,0.1); color: #f97316; border: 1px solid rgba(249,115,22,0.2); }
.cert-logo.cdac   { background: rgba(56,189,248,0.1); color: var(--accent); border: 1px solid rgba(56,189,248,0.2); }
.cert-logo.gfg    { background: rgba(52,211,153,0.1); color: var(--accent3); border: 1px solid rgba(52,211,153,0.2); }

.cert-name { font-size: 0.83rem; font-weight: 500; line-height: 1.3; }
.cert-issuer { font-size: 0.7rem; color: var(--muted); margin-top: 0.2rem; }

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-cta-col h3 {
  font-family: var(--heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
}

.gradient-highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-cta-col p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.4rem;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  word-break: break-word;
}

.contact-link:hover {
  border-color: var(--border-bright);
  transform: translateX(4px);
}

.contact-link i { font-size: 1rem; color: var(--accent); width: 18px; flex-shrink: 0; }
.contact-link span { font-size: 0.85rem; }

/* Contact Form */
.form-group { margin-bottom: 1rem; }

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: var(--body);
  font-size: 0.85rem;
  transition: all 0.3s;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(56,189,248,0.05);
}

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

.form-group textarea { resize: vertical; min-height: 100px; }

.submit-btn {
  width: 100%;
  justify-content: center;
  border: none;
  cursor: pointer;
  margin-top: 0.5rem;
  min-height: 48px; /* Accessible tap target */
}

.form-status {
  margin-top: 1rem;
  font-size: 0.75rem;
  padding: 0.5rem;
  border-radius: 8px;
  text-align: center;
}

.form-status.success { color: var(--accent3); background: rgba(52,211,153,0.1); }
.form-status.error   { color: #ef4444; background: rgba(239,68,68,0.1); }
.form-status.loading { color: var(--accent); }

/* ========================================
   FOOTER
   ======================================== */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Desktop cursor targets */
a, button, .card, .btn, .project-link-btn, .contact-link {
  cursor: none;
}

/* ========================================
   RESPONSIVE — TABLET (≤ 1024px)
   ======================================== */
@media (max-width: 1024px) {
  nav {
    padding: 1rem 2rem;
  }

  .nav-links {
    gap: 1.4rem;
  }

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

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

/* ========================================
   RESPONSIVE — TABLET PORTRAIT (≤ 900px)
   ======================================== */
@media (max-width: 900px) {
  :root { --nav-height: 64px; }

  nav {
    padding: 1rem 1.5rem;
  }

  /* Hide desktop nav & hire me on tablet/mobile, show hamburger */
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 160;
    padding:  14rem 2rem 4rem;
    list-style: none;
    /* overflow-y: auto; */
  }

  .nav-links.open {
   
    display: flex;
    animation: fadeUp 0.3s ease both;
  }

  .nav-links a {
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    color: var(--text);
  }

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

  .hire-me-btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .wrapper {
    padding: 0 1.2rem 3rem;
  }

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

  .about-text-col {
    padding: 1.5rem;
  }

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

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

  .edu-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

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

  section {
    padding: 4rem 0;
  }

  .tl-item {
    padding: 1.4rem 1.4rem;
  }

  .hero-cta {
    gap: 0.75rem;
  }
}

/* ========================================
   RESPONSIVE — MOBILE (≤ 600px)
   ======================================== */
@media (max-width: 600px) {
  :root { --nav-height: 60px; }
  nav {
    padding: 0.8rem 1rem;
  }
  .wrapper {
    padding: 0 1rem 2.5rem;
  }

  section {
    padding: 3.5rem 0;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 1rem);
    padding-bottom: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11vw, 3.5rem);
  }

  .hero-desc {
    font-size: 0.9rem;
    padding: 0 0.5rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 1rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
  }

  .hero-chips {
    gap: 0.5rem;
    padding: 0 0.5rem;
  }

  .chip {
    font-size: 0.68rem;
    padding: 0.3rem 0.75rem;
  }

  /* Hide scroll hint on small screens */
  .scroll-hint { display: none; }

  .stat-card { padding: 1.2rem; }

  .stat-number { font-size: 2rem; }

  .stat-label { font-size: 0.72rem; }

  .about-stats-col {
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
  }

  .about-text-col {
    padding: 1.2rem;
  }

  .about-text-col p {
    font-size: 0.88rem;
  }

  /* Timeline adjustments */
  .timeline {
    padding-left: 1.5rem;
  }

  .tl-item {
    padding: 1.2rem 1.2rem;
  }

  .tl-item::before {
    left: -1.87rem;
  }

  .tl-role { font-size: 0.95rem; }

  .tl-header {
    flex-direction: column;
    gap: 0.4rem;
  }

  .project-card { padding: 1.4rem; }

  .project-title { font-size: 1rem; }

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

  .skills-group { padding: 1.2rem 1.4rem; }

  .skill-name { font-size: 0.78rem; }

  .edu-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .edu-card { padding: 1.4rem; }

  .edu-grade { font-size: 1.5rem; }

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

  .cert-card { padding: 1.2rem; }

  .contact-cta-col h3 {
    font-size: 1.4rem;
  }

  .contact-link span {
    font-size: 0.78rem;
    word-break: break-all;
  }

  .section-title {
    font-size: 1.7rem;
  }
}

/* ========================================
   RESPONSIVE — SMALL MOBILE (≤ 380px)
   ======================================== */
@media (max-width: 380px) {
  .hero h1 { font-size: 2rem; }
  .hero-eyebrow { font-size: 0.65rem; padding: 0.35rem 0.9rem; }
  .about-stats-col { grid-template-columns: 1fr; }
  .stat-number { font-size: 1.8rem; }
}