/* ============================================================
   ARJUNA GYAN – PORTFOLIO  |  Main Stylesheet
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #6366f1;
  --primary-dark:  #4f46e5;
  --primary-light: #a5b4fc;
  --secondary:     #06b6d4;
  --accent:        #f59e0b;
  --ncc-green:     #10b981;

  --bg:            #0f0f1a;
  --bg-alt:        #13131f;
  --bg-card:       #1a1a2e;
  --bg-card2:      #16213e;
  --border:        rgba(99, 102, 241, 0.15);

  --text:          #e2e8f0;
  --text-muted:    #94a3b8;
  --text-faint:    #475569;

  --gradient:      linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-green: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);

  --radius:   12px;
  --radius-lg: 20px;
  --shadow:   0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);

  --nav-height: 70px;
  --transition: all 0.3s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--primary);
  color: #fff;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

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

/* ---------- Utilities ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.bg-alt { background: var(--bg-alt); }

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

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient);
  margin: 14px auto 0;
  border-radius: 2px;
}

.section-subtitle {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.highlight { 
  background: var(--gradient); 
  -webkit-background-clip: text; 
  -webkit-text-fill-color: transparent; 
  background-clip: text; 
}

.dot { color: var(--primary); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-green);
  color: #fff;
  box-shadow: 0 4px 20px rgba(16,185,129,0.35);
}
.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16,185,129,0.5);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 15, 26, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(99,102,241,0.15);
}

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 40%, rgba(99,102,241,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 60%, rgba(6,182,212,0.1) 0%, transparent 50%),
              var(--bg);
  text-align: center;
  padding: 120px 24px 80px;
}

.hero-bg-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
  animation: floatShape 8s ease-in-out infinite;
}
.shape-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -200px; left: -150px;
  animation-delay: 0s;
}
.shape-2 {
  width: 350px; height: 350px;
  background: var(--secondary);
  bottom: -100px; right: -100px;
  animation-delay: 3s;
}
.shape-3 {
  width: 200px; height: 200px;
  background: var(--accent);
  top: 40%; right: 15%;
  animation-delay: 5s;
}

@keyframes floatShape {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-greeting {
  font-size: 1.15rem;
  color: var(--primary-light);
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.hero-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-roles {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 2rem;
}

.role-text { color: var(--secondary); font-weight: 600; }
.cursor {
  color: var(--primary);
  animation: blink 0.8s step-start infinite;
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-tagline {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  letter-spacing: 0.02em;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-social {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.hero-social a {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 1rem;
  transition: var(--transition);
}
.hero-social a:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  background: rgba(99,102,241,0.1);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-arrow {
  animation: bounceDown 1.5s ease-in-out infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
}

.about-avatar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.about-avatar {
  width: 220px; height: 220px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}

.avatar-initials {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-weight: 800;
  color: #fff;
  z-index: 1;
}

.avatar-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(99,102,241,0.3);
}
.ring-1 { width: 260px; height: 260px; animation: spin 12s linear infinite; }
.ring-2 { width: 300px; height: 300px; animation: spin 18s linear infinite reverse; }

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.about-badge {
  display: flex; align-items: center; gap: 8px;
  background: var(--gradient-green);
  color: #fff;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(16,185,129,0.3);
}

.about-intro {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.info-item:hover { border-color: var(--primary); transform: translateY(-2px); }

.info-item > i {
  font-size: 1.1rem;
  color: var(--primary);
  min-width: 20px;
}

.info-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 2px;
}

.info-value {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}

.available { color: var(--ncc-green) !important; }

/* ============================================================
   EDUCATION TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), var(--secondary));
  opacity: 0.4;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-icon {
  position: absolute;
  left: -52px;
  top: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  box-shadow: 0 0 0 4px var(--bg-alt);
  z-index: 1;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition);
}
.timeline-card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.timeline-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.timeline-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 50px;
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  border: 1px solid rgba(99,102,241,0.3);
  white-space: nowrap;
}

.timeline-badge.current {
  background: rgba(16,185,129,0.15);
  color: var(--ncc-green);
  border-color: rgba(16,185,129,0.3);
}

.timeline-place, .timeline-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.timeline-place i, .timeline-date i { color: var(--primary); font-size: 0.75rem; }

.timeline-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 12px 0;
  line-height: 1.7;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.timeline-tags span {
  font-size: 0.75rem;
  padding: 3px 10px;
  background: rgba(6,182,212,0.1);
  color: var(--secondary);
  border-radius: 50px;
  border: 1px solid rgba(6,182,212,0.2);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.skill-category:hover {
  border-color: rgba(99,102,241,0.35);
  box-shadow: var(--shadow);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.skill-cat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.skill-cat-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

/* Skill Bars */
.skill-bars { display: flex; flex-direction: column; gap: 16px; }
.skill-bar-item {
  font-size: 0;
}
.skill-bar-label {
  display: flex; justify-content: space-between;
  font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 6px;
}
.skill-pct { color: var(--primary-light); font-weight: 600; }
.skill-bar-bg {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  background: var(--gradient);
  border-radius: 3px;
  width: 0%;
  transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Skills Tags */
.skills-tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--primary-light);
  transition: var(--transition);
  cursor: default;
}
.skill-tag:hover {
  background: rgba(99,102,241,0.25);
  transform: translateY(-2px);
}

/* Soft Skills */
.soft-skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.soft-skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 8px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.soft-skill-item:hover {
  border-color: var(--primary);
  color: #fff;
  background: rgba(99,102,241,0.1);
}
.soft-skill-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 0.9rem;
}

/* Languages */
.lang-grid {
  display: flex;
  gap: 32px;
  justify-content: center;
  padding: 10px 0;
}
.lang-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.lang-circle {
  position: relative;
  width: 90px; height: 90px;
}
.lang-circle svg {
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}
.lang-bg {
  fill: none;
  stroke: rgba(255,255,255,0.05);
  stroke-width: 3;
}
.lang-fg {
  fill: none;
  stroke: url(#langGrad);
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dasharray 1.2s ease;
}
.lang-pct-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}
.lang-name { font-weight: 600; color: #fff; font-size: 0.95rem; }
.lang-level { font-size: 0.75rem; color: var(--text-muted); }

/* ============================================================
   EXPERIENCE
   ============================================================ */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: var(--transition);
}
.exp-card:hover {
  border-color: rgba(99,102,241,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.exp-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
}
.exp-icon.ncc     { background: var(--gradient-green); box-shadow: 0 4px 16px rgba(16,185,129,0.3); }
.exp-icon.dev     { background: var(--gradient); box-shadow: 0 4px 16px rgba(99,102,241,0.3); }
.exp-icon.design  { background: var(--gradient-warm); box-shadow: 0 4px 16px rgba(245,158,11,0.3); }
.exp-icon.pm-icon { background: linear-gradient(135deg,#f59e0b 0%,#f97316 100%); box-shadow: 0 4px 16px rgba(249,115,22,0.3); }

.exp-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 10px;
  border-radius: 50px;
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  margin-bottom: 6px;
}

.exp-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.exp-org {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.exp-period {
  font-size: 0.8rem;
  color: var(--primary-light);
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px;
}
.exp-points {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.exp-points li {
  font-size: 0.84rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}
.exp-points li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-card:hover {
  border-color: rgba(99,102,241,0.45);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.project-card.hidden { display: none; }

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: #fff;
}
.web-icon     { background: var(--gradient); }
.tool-icon    { background: var(--gradient-warm); }
.design-icon  { background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%); }
.fintech-icon { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.ai-icon      { background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%); }
.edu-icon     { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); }
.product-icon { background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%); }

.project-links {
  display: flex;
  gap: 8px;
}
.proj-link {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition);
}
.proj-link:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99,102,241,0.1);
}
.proj-internal {
  cursor: default;
  opacity: 0.4;
  pointer-events: none;
}

.project-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.project-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.project-tags span {
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(6,182,212,0.1);
  color: var(--secondary);
  border-radius: 50px;
  border: 1px solid rgba(6,182,212,0.2);
}

/* ============================================================
   CERTIFICATIONS
   ============================================================ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cert-card:hover {
  border-color: rgba(99,102,241,0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.cert-card.featured {
  border-color: rgba(245,158,11,0.35);
  background: linear-gradient(135deg, rgba(245,158,11,0.06) 0%, var(--bg-card) 100%);
  grid-column: span 1;
}
.cert-card.featured:hover {
  border-color: rgba(245,158,11,0.6);
}

.cert-ribbon {
  position: absolute;
  top: 16px; right: -28px;
  background: var(--gradient-warm);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 36px;
  transform: rotate(45deg);
}

.cert-icon {
  width: 54px; height: 54px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: #fff;
}
.ncc-cert     { background: var(--gradient-warm); }
.web-cert     { background: linear-gradient(135deg, #f97316, #ef4444); }
.py-cert      { background: linear-gradient(135deg, #3b82f6, #8b5cf6); }
.db-cert      { background: linear-gradient(135deg, #06b6d4, #10b981); }
.camp-cert    { background: var(--gradient-green); }
.design-cert  { background: linear-gradient(135deg, #ec4899, #8b5cf6); }
.amazon-cert  { background: linear-gradient(135deg, #f97316 0%, #f59e0b 100%); }
.alx-cert     { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.ux-cert      { background: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%); }

.cert-body h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #fff;
}
.cert-issuer {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cert-date {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem;
  color: var(--primary-light);
}
.cert-desc {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.cert-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 3px 10px;
  background: rgba(99,102,241,0.12);
  color: var(--primary-light);
  border-radius: 50px;
  border: 1px solid rgba(99,102,241,0.2);
  margin-right: 6px;
  margin-top: 4px;
}

/* Extra Certs Note */
.extra-certs {
  margin-top: 32px;
  text-align: center;
  padding: 16px 24px;
  background: rgba(99,102,241,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--text-muted);
}
.extra-certs i { color: var(--primary); margin-right: 6px; }
.extra-certs strong { color: var(--primary-light); }

/* Admin nav link */
.nav-admin-link {
  font-size: 0.78rem !important;
  color: var(--text-faint) !important;
  border: 1px solid var(--border);
  border-radius: 6px !important;
  padding: 4px 10px !important;
}
.nav-admin-link:hover {
  border-color: var(--primary) !important;
  color: var(--primary) !important;
  background: rgba(99,102,241,0.1) !important;
}

/* Form global error */
.form-error-global {
  font-size: 0.82rem;
  color: #ef4444;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  display: none;
}
.form-error-global.visible { display: block; }

/* ============================================================
   DOWNLOADS
   ============================================================ */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.download-card:hover {
  border-color: rgba(99,102,241,0.4);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.download-preview {
  height: 160px;
  background: rgba(99,102,241,0.05);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.doc-preview {
  width: 100px;
  background: var(--bg-card2);
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  box-shadow: var(--shadow);
}
.doc-preview i {
  font-size: 1.8rem;
  margin-bottom: 4px;
}
.resume-preview i  { color: var(--primary); }
.support-preview i { color: var(--ncc-green); }

.doc-lines { display: flex; flex-direction: column; gap: 5px; width: 100%; }
.doc-line {
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.1);
}
.doc-line.long   { width: 100%; }
.doc-line.medium { width: 75%; }
.doc-line.short  { width: 55%; }

.download-info {
  display: flex;
  gap: 16px;
  padding: 24px 24px 0;
  align-items: flex-start;
}
.download-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.download-icon.support-icon { background: var(--gradient-green); }

.download-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.download-info p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}
.file-meta {
  font-size: 0.75rem;
  color: var(--text-faint);
}
.file-meta i { color: var(--primary); margin-right: 3px; }

.download-actions {
  display: flex;
  gap: 12px;
  padding: 20px 24px;
  flex-wrap: wrap;
}
.download-btn, .view-btn {
  flex: 1;
  min-width: 130px;
  justify-content: center;
  font-size: 0.85rem;
  padding: 10px 20px;
}

.download-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 24px 20px;
  font-size: 0.78rem;
  color: var(--text-faint);
  border-top: 1px solid rgba(255,255,255,0.04);
}
.download-note i { color: var(--accent); margin-top: 2px; }
.download-note code {
  background: rgba(255,255,255,0.07);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.73rem;
  color: var(--primary-light);
}

.pdf-viewer-note { margin-top: 32px; }
.tip-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(245,158,11,0.07);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.tip-box > i { color: var(--accent); font-size: 1.2rem; margin-top: 2px; flex-shrink: 0; }
.tip-box strong { color: var(--accent); display: block; margin-bottom: 8px; }
.tip-box ol { padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
.tip-box code {
  background: rgba(255,255,255,0.07);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--primary-light);
}

/* ============================================================
   INTERESTS
   ============================================================ */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 20px;
}

@media (max-width: 900px) { .interests-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 500px) { .interests-grid { grid-template-columns: repeat(2, 1fr); } }

.interest-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: default;
  transition: var(--transition);
  text-align: center;
}
.interest-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  background: rgba(99,102,241,0.1);
}
.interest-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1rem;
}
.interest-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.contact-info > p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
a.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.ci-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}
.email-ci  { background: var(--gradient); }
.phone-ci  { background: var(--gradient-green); }
.loc-ci    { background: var(--gradient-warm); }

.ci-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.ci-value {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 500;
}

.contact-socials {
  display: flex;
  gap: 12px;
}
.social-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
  color: #fff;
  transition: var(--transition);
}
.email-btn   { background: var(--gradient); }
.github-btn  { background: #333; }
.linkedin-btn { background: #0a66c2; }
.phone-btn   { background: var(--gradient-green); }
.social-btn:hover { transform: translateY(-3px) scale(1.1); box-shadow: var(--shadow); }

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(99,102,241,0.06);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }

.form-error {
  font-size: 0.78rem;
  color: #ef4444;
  min-height: 16px;
}

.submit-btn {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 14px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius);
  color: var(--ncc-green);
  font-size: 0.9rem;
  font-weight: 500;
}
.form-success.visible { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-card2);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 6px;
}
.footer-email {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem !important;
  color: var(--primary-light) !important;
}

.footer-nav h4, .footer-contact h4 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 16px;
}

.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-nav a:hover { color: var(--primary-light); padding-left: 4px; }

.footer-contact p {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.footer-contact p i { color: var(--primary); }

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}
.footer-socials a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-socials a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(99,102,241,0.1);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.82rem;
  color: var(--text-faint);
}

.back-to-top {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  transition: var(--transition);
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 4px 16px rgba(99,102,241,0.5); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .skills-grid       { grid-template-columns: 1fr 1fr; }
  .exp-grid          { grid-template-columns: 1fr; }
  .certs-grid        { grid-template-columns: repeat(2, 1fr); }
  .projects-grid     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid       { grid-template-columns: 1fr 1fr; }
  .footer-brand      { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --nav-height: 60px; }
  .section { padding: 70px 0; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    background: rgba(15,15,26,0.97);
    backdrop-filter: blur(16px);
    flex-direction: column;
    gap: 0;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 12px 16px; width: 100%; border-radius: var(--radius); font-size: 0.95rem; }
  .nav-toggle { display: flex; }

  .about-grid          { grid-template-columns: 1fr; }
  .about-avatar-wrap   { align-items: center; }
  .about-info-grid     { grid-template-columns: 1fr; }

  .timeline  { padding-left: 24px; }
  .timeline::before { left: 8px; }
  .timeline-icon { left: -38px; width: 28px; height: 28px; font-size: 0.7rem; }
  .timeline-card { padding: 20px; }

  .skills-grid         { grid-template-columns: 1fr; }
  .soft-skills-grid    { grid-template-columns: repeat(2, 1fr); }
  .exp-grid            { grid-template-columns: 1fr; }
  .projects-grid       { grid-template-columns: 1fr; }
  .certs-grid          { grid-template-columns: 1fr; }
  .downloads-grid      { grid-template-columns: 1fr; }
  .contact-grid        { grid-template-columns: 1fr; }
  .footer-grid         { grid-template-columns: 1fr; }
  .footer-brand        { grid-column: unset; }

  .hero-cta { flex-direction: column; align-items: center; }

  .lang-grid { gap: 20px; }
}

@media (max-width: 480px) {
  .soft-skills-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-form { padding: 24px 18px; }
  .download-actions { flex-direction: column; }
  .projects-filter { gap: 6px; }
  .filter-btn { padding: 7px 14px; font-size: 0.8rem; }
}