/* ===== VARIABLES ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0d0d16;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --accent: #00d4ff;
  --accent-2: #7b2dff;
  --accent-glow: rgba(0, 212, 255, 0.25);
  --text-primary: #f0f0f5;
  --text-secondary: #9090a8;
  --text-muted: #555566;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 212, 255, 0.3);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --nav-height: 70px;
  --transition: 0.3s ease;
  --radius: 12px;
  --radius-lg: 20px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: var(--accent); transition: var(--transition); }
a:hover { color: var(--text-primary); }
ul { list-style: none; }

/* ===== NAV ===== */
nav#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6%;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
nav#navbar.scrolled {
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;   /* column on ALL screen sizes — no layout surprises */
  align-items: center;
  justify-content: flex-start;
  overflow: hidden;
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 60px;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 20px;
  max-width: 900px;
  width: 100%;
  flex: 1;                  /* grows to fill available space */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;  /* vertically centers content within that space */
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #00c853;
  border: 1px solid rgba(0, 200, 83, 0.4);
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 1.8rem;
  letter-spacing: 1.5px;
  animation: fadeInDown 0.8s ease;
  background: rgba(0, 200, 83, 0.07);
}
.hero-tag-dot {
  width: 6px; height: 6px;
  background: #00c853;
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -3px;
  margin-bottom: 1.2rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-name .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-role {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.4rem);
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  min-height: 2.4rem;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-role .typing {
  color: var(--accent);
  border-right: 2px solid var(--accent);
  padding-right: 3px;
  animation: blink 0.75s step-end infinite;
}
.hero-desc {
  max-width: 620px;
  margin: 0 auto 2.5rem;
  animation: fadeInUp 0.8s ease 0.6s both;
}
.hero-desc .hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}
.hero-desc p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 0.85rem;
}
.hero-desc p:last-child { margin-bottom: 0; }
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.3px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05050a;
  box-shadow: 0 0 30px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px var(--accent-glow), 0 12px 24px rgba(0,0,0,0.4);
  color: #05050a;
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  background: rgba(0, 212, 255, 0.05);
}
.hero-social {
  position: relative;     /* always in document flow — never overlaps content */
  z-index: 1;
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;     /* space below the CTA buttons */
  animation: fadeInUp 0.8s ease 1s both;
  flex-shrink: 0;
}
.hero-social a {
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.3s;
  background: rgba(255,255,255,0.02);
}
.hero-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 0 18px var(--accent-glow);
  background: rgba(0, 212, 255, 0.07);
}
.scroll-hint {
  position: absolute;
  bottom: 40px;
  right: 6%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1.2s both;
  z-index: 1;
  writing-mode: vertical-rl;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ===== SECTIONS ===== */
section {
  padding: 110px 6%;
}
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.section-line {
  width: 56px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 2px;
  margin: 0 auto;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== ABOUT ===== */
#about { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 80px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.about-image-wrap { position: relative; }
.about-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}
.about-image-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  opacity: 0.12;
  z-index: 1;
  pointer-events: none;
}
.about-image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(15%) contrast(1.05);
  transition: filter 0.5s;
}
.about-image-frame:hover img { filter: grayscale(0%) contrast(1); }
.about-image-border {
  position: absolute;
  inset: -14px;
  border: 1px solid var(--border-accent);
  border-radius: calc(var(--radius-lg) + 8px);
  z-index: -1;
  animation: borderPulse 4s ease infinite;
}
.about-badge {
  position: absolute;
  bottom: -22px;
  right: -22px;
  background: rgba(10, 10, 15, 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 24px 48px rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
}
.about-badge-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05050a;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.about-badge-text strong { display: block; font-size: 1.2rem; font-weight: 700; }
.about-badge-text span { font-size: 0.72rem; color: var(--text-muted); }
.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 1.6rem;
  line-height: 1.2;
}
.about-content p {
  color: var(--text-secondary);
  margin-bottom: 1.4rem;
  line-height: 1.9;
  font-size: 0.97rem;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 2rem 0;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}
.stat-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 2rem 0 2.4rem;
}
.info-item { display: flex; flex-direction: column; gap: 3px; }
.info-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-mono);
}
.info-value { font-size: 0.9rem; color: var(--text-primary); }

/* ===== RESUME ===== */
#resume { background: var(--bg-primary); }
.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto 80px;
}
.timeline-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 44px;
}
.timeline-header-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05050a;
  font-size: 1rem;
  flex-shrink: 0;
}
.timeline-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 10px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), rgba(0,212,255,0.05));
}
.timeline-item {
  position: relative;
  margin-bottom: 44px;
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }
.timeline-dot {
  position: absolute;
  left: -36px; top: 7px;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--accent-glow);
}
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 7px;
}
.timeline-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.timeline-org {
  font-size: 0.83rem;
  color: var(--accent-2);
  margin-bottom: 10px;
  opacity: 0.85;
}
.timeline-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== SKILLS ===== */
.skills-section { max-width: 1100px; margin: 0 auto; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease, border-color 0.3s;
}
.skill-category.visible { opacity: 1; transform: translateY(0); }
.skill-category:hover { border-color: var(--border-accent); }
.skill-cat-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.skill-item { margin-bottom: 20px; }
.skill-item:last-child { margin-bottom: 0; }
.skill-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 9px;
}
.skill-name { font-size: 0.875rem; font-weight: 500; color: var(--text-primary); }
.skill-pct {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
.skill-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  width: 0;
  transition: width 1.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== CERTIFICATES ===== */
#certificates { background: var(--bg-secondary); }
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: scale(0.96) translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.cert-card.visible { opacity: 1; transform: scale(1) translateY(0); }
.cert-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-8px) !important;
  box-shadow: 0 24px 48px rgba(0,0,0,0.45);
}
.cert-img-wrap {
  position: relative;
  overflow: hidden;
  height: 220px;
}
.cert-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.cert-card:hover .cert-img-wrap img { transform: scale(1.07); }
.cert-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,5,12,0.92) 0%, rgba(5,5,12,0.2) 50%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.cert-card:hover .cert-overlay { opacity: 1; }
.cert-overlay-icon {
  width: 52px; height: 52px;
  background: rgba(0, 212, 255, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  backdrop-filter: blur(4px);
}
.cert-info { padding: 20px 22px; }
.cert-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 7px;
}
.cert-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
  line-height: 1.4;
}
.cert-issuer { font-size: 0.8rem; color: var(--text-muted); }

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img {
  max-width: 88vw;
  max-height: 84vh;
  border-radius: var(--radius);
  box-shadow: 0 40px 80px rgba(0,0,0,0.9);
  transform: scale(0.9);
  transition: transform 0.3s;
}
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 46px; height: 46px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: all 0.2s;
}
.lightbox-close:hover { background: rgba(255,255,255,0.14); color: var(--accent); }

/* ===== QUOTES ===== */
#quotes { background: var(--bg-primary); }
.quotes-wrapper {
  max-width: 820px;
  margin: 0 auto;
}
.quotes-inner {
  position: relative;
  min-height: 240px;
}
.quote-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  pointer-events: none;
}
.quote-slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
  position: relative;
}
.quote-mark {
  font-size: 6rem;
  line-height: 0.4;
  color: var(--accent);
  opacity: 0.2;
  font-family: 'Georgia', serif;
  margin-bottom: 1.8rem;
  user-select: none;
}
.quote-text {
  font-family: 'Georgia', serif;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 2rem;
  text-align: center;
}
.quote-author {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 2.5px;
  text-transform: uppercase;
}
.quote-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 3rem;
}
.quote-dot {
  width: 6px; height: 6px;
  border-radius: 3px;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s;
}
.quote-dot.active { background: var(--accent); width: 22px; }

/* ===== CONTACT ===== */
#contact { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
  align-items: stretch;
}
.contact-info {
  display: flex;
  flex-direction: column;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  line-height: 1.2;
}
.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.85;
  font-size: 0.95rem;
}
.contact-items { display: flex; flex-direction: column; gap: 14px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}
.contact-item:hover { border-color: var(--border-accent); transform: translateX(4px); }
.contact-item-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(123,45,255,0.1));
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}
.contact-item-text strong {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-family: var(--font-mono);
  margin-bottom: 3px;
}
.contact-item-text span { font-size: 0.88rem; color: var(--text-primary); }
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s;
}
.contact-form-wrap:hover { border-color: var(--border-accent); }
.contact-form-wrap iframe {
  width: 100%;
  height: 620px;
  border: none;
  display: block;
}

/* ===== CONTACT FORM ===== */
#contactForm {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.req { color: var(--accent); }
.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  outline: none;
  width: 100%;
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #ff4d6d;
  box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit-btn {
  width: 100%;
  justify-content: center;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 0.95rem;
}
.form-submit-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }
.form-success[hidden],
.form-error[hidden] { display: none !important; }

.form-success,
.form-error {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
}
.form-success {
  background: rgba(0, 212, 100, 0.1);
  border: 1px solid rgba(0, 212, 100, 0.3);
  color: #00d464;
}
.form-success i { font-size: 1.2rem; flex-shrink: 0; }
.form-success strong { display: block; }
.form-error {
  background: rgba(255, 77, 109, 0.1);
  border: 1px solid rgba(255, 77, 109, 0.3);
  color: #ff4d6d;
}
.form-error i { font-size: 1.2rem; flex-shrink: 0; }
@media (max-width: 600px) {
  #contactForm { padding: 24px; gap: 18px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 44px 6%;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.footer-logo span { color: var(--accent); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: all 0.3s;
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.footer-text { font-size: 0.8rem; color: var(--text-muted); }
.footer-text a { color: var(--accent); }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05050a;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 8px 24px var(--accent-glow);
  transform: translateY(90px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 999;
}
.back-to-top.show { transform: translateY(0); }
.back-to-top:hover { box-shadow: 0 12px 32px var(--accent-glow); transform: translateY(-4px); }

/* ===== KEYFRAMES ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes blink {
  0%, 100% { border-color: var(--accent); }
  50% { border-color: transparent; }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}
@keyframes borderPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.8; }
}

/* ===== REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image-wrap { max-width: 380px; margin: 0 auto; }
  .resume-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  nav#navbar { padding: 0 4%; }
  .nav-links {
    position: fixed;
    top: var(--nav-height); left: 0; right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 2.4rem;
    gap: 1.8rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s;
    border-bottom: 1px solid var(--border);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-toggle { display: flex; }
  section { padding: 88px 4%; }
  .about-info { grid-template-columns: 1fr; }
  .scroll-hint { display: none; }
  .about-badge { right: 0; bottom: -16px; }

  /* Hero — tighter padding on mobile, hide body paragraphs to keep it clean */
  #hero {
    padding-top: calc(var(--nav-height) + 44px);
    padding-bottom: 44px;
  }
  .hero-desc p:not(.hero-tagline) { display: none; }
  .hero-social { gap: 0.85rem; margin-top: 2rem; }
}
@media (max-width: 480px) {
  .hero-name { letter-spacing: -1.5px; }
  .hero-desc { text-align: left; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-number { font-size: 1.6rem; }
  .stat-label { font-size: 0.65rem; }
  .certs-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .contact-form-wrap iframe { height: 700px; }
  .section-title { letter-spacing: -0.5px; }
  .about-badge { right: 0; bottom: -14px; padding: 12px 14px; gap: 10px; }
  .about-badge-icon { width: 36px; height: 36px; }
  .resume-grid { gap: 32px; }
  .timeline { padding-left: 24px; }
  .timeline-dot { left: -28px; }
  .quote-text { font-size: 1rem; }
  .contact-grid { gap: 36px; }
  .contact-info h3 { font-size: 1.6rem; }
}