/* ═══════════════════════════════════════════════════════
   TEDDY OTIENO · PORTFOLIO · DESIGN SYSTEM
   ═══════════════════════════════════════════════════════ */

/* ── Custom Properties ───────────────────────────────── */
:root {
  --bg:          #080c14;
  --bg-2:        #0d1117;
  --bg-card:     rgba(255,255,255,0.04);
  --bg-card-hov: rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.08);
  --border-hov:  rgba(99,102,241,0.4);

  --indigo:      #6366f1;
  --indigo-lt:   #818cf8;
  --cyan:        #06b6d4;
  --cyan-lt:     #67e8f9;
  --green:       #10b981;
  --amber:       #f59e0b;
  --red:         #ef4444;

  --text:        #f1f5f9;
  --text-2:      #94a3b8;
  --text-3:      #64748b;

  --grad:        linear-gradient(135deg, #6366f1, #06b6d4);
  --grad-text:   linear-gradient(135deg, #a5b4fc, #67e8f9);
  --grad-green:  linear-gradient(135deg, #10b981, #06b6d4);

  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(99,102,241,0.15);

  --nav-h:       70px;
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Typography ──────────────────────────────────────── */
.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--indigo);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 580px;
  line-height: 1.7;
}

/* ── Layout ──────────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 100px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

/* ── Navigation ──────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(8,12,20,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.logo-badge {
  width: 36px; height: 36px;
  background: var(--grad);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  color: white;
  flex-shrink: 0;
}

.logo-name { color: var(--text); }
.logo-name span { color: var(--indigo-lt); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--bg-card);
}

.nav-actions { display: flex; align-items: center; gap: 12px; }

.btn-nav {
  padding: 8px 20px;
  background: var(--grad);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-nav:hover { opacity: 0.85; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(99,102,241,0.3); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  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); }

/* ── Buttons ─────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: var(--grad);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition);
  border: none;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(99,102,241,0.35); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--indigo); background: rgba(99,102,241,0.08); transform: translateY(-2px); }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}
.btn-ghost:hover { color: var(--indigo-lt); }
.btn-ghost .arrow { transition: var(--transition); }
.btn-ghost:hover .arrow { transform: translateX(4px); }

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.04), transparent);
  opacity: 0;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-hov); background: var(--bg-card-hov); box-shadow: var(--shadow-glow); }
.card:hover::before { opacity: 1; }

.card-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.icon-indigo { background: rgba(99,102,241,0.15); color: var(--indigo-lt); }
.icon-cyan   { background: rgba(6,182,212,0.15);  color: var(--cyan-lt); }
.icon-green  { background: rgba(16,185,129,0.12); color: var(--green); }
.icon-amber  { background: rgba(245,158,11,0.12); color: var(--amber); }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* ── Hero Photo ──────────────────────────────────────── */
.hero-photo-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Spinning gradient ring */
.photo-ring {
  position: relative;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, #6366f1, #06b6d4, #10b981, #a5b4fc, #6366f1);
  animation: spinRing 32s linear infinite;   /* slow, elegant rotation */
  padding: 3px;
  flex-shrink: 0;
}
@keyframes spinRing {
  to { transform: rotate(360deg); }
}

.photo-ring::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: conic-gradient(from 90deg, rgba(99,102,241,0.12), rgba(6,182,212,0.06), transparent 50%);
  animation: spinRing 50s linear infinite reverse;  /* barely perceptible counter-drift */
}

.photo-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg);
  position: relative;
  /* Counter-rotate at exactly the same speed as the parent ring — image stays still */
  animation: spinRing 32s linear infinite reverse;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 8%;
  display: block;
  /* Ghost effect — heavily darkened so it barely reads against the dark background */
  opacity: 0.28;
  filter: brightness(0.65) contrast(0.9) grayscale(0.2);
  /* Edge fade so the rim dissolves completely */
  mask-image: radial-gradient(
    ellipse 85% 92% at 50% 42%,
    black 55%,
    rgba(0,0,0,0.7) 72%,
    rgba(0,0,0,0.2) 88%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 85% 92% at 50% 42%,
    black 55%,
    rgba(0,0,0,0.7) 72%,
    rgba(0,0,0,0.2) 88%,
    transparent 100%
  );
}

/* Floating metric badges */
.photo-badge {
  position: absolute;
  background: rgba(8,12,20,0.88);
  border: 1px solid rgba(99,102,241,0.35);
  border-radius: 12px;
  padding: 10px 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  white-space: nowrap;
  z-index: 10;
}

.photo-badge-val {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.photo-badge-lbl {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.badge-top-right {
  top: 8%;
  right: -40px;
  animation: badgeFloat1 5s ease-in-out infinite;
}
.badge-bottom-left {
  bottom: 12%;
  left: -44px;
  animation: badgeFloat2 6s ease-in-out infinite 1.5s;
}
.badge-bottom-right {
  bottom: 2%;
  right: -24px;
  animation: badgeFloat3 4.5s ease-in-out infinite 0.8s;
}

@keyframes badgeFloat1 {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-8px); }
}
@keyframes badgeFloat2 {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(7px); }
}
@keyframes badgeFloat3 {
  0%,100% { transform: translateY(0px); }
  50%      { transform: translateY(-6px); }
}

/* Fallback avatar when photo file is absent */
.photo-fallback {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(6,182,212,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background-clip: text;
  color: transparent;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Decorative dots grid behind photo */
.photo-dots {
  position: absolute;
  inset: -20px;
  background-image: radial-gradient(rgba(99,102,241,0.25) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  border-radius: 50%;
  z-index: -1;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 75%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  animation: orbFloat 10s ease-in-out infinite;
  pointer-events: none;
}
.orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(99,102,241,0.18), transparent 70%);
  top: -250px; left: -200px;
}
.orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.12), transparent 70%);
  bottom: -150px; right: -150px;
  animation-delay: -5s;
}
.orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(16,185,129,0.08), transparent 70%);
  top: 40%; left: 50%;
  animation-delay: -3s;
}

@keyframes orbFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(20px,-30px) scale(1.05); }
  66%      { transform: translate(-15px,20px) scale(0.97); }
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.25);
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  max-width: 100%;
  white-space: normal;
  line-height: 1.4;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

.hero-name {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero-role {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-2);
  font-weight: 400;
  margin-bottom: 24px;
  min-height: 2em;
}
.hero-role .typed-cursor { color: var(--indigo); }

.hero-bio {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 40px;
}

/* Metric cards in hero */
.hero-metrics {
  display: flex;
  gap: 20px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.metric-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.metric-pill:hover { border-color: var(--border-hov); }

.metric-val {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-lbl {
  font-size: 0.72rem;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
  z-index: 1;
}
.scroll-hint svg { animation: scrollBounce 2s ease-in-out infinite; }

@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(6px); }
}

/* ── About / Profile Section ─────────────────────────── */
.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.profile-card:hover { border-color: var(--border-hov); box-shadow: var(--shadow-glow); }

.profile-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.profile-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.profile-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.5;
}
.profile-list li::before {
  content: '›';
  color: var(--indigo);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Experience Timeline ─────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 32px;
  margin-top: 48px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--indigo), var(--cyan), transparent);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px; top: 8px;
  width: 12px; height: 12px;
  background: var(--grad);
  border-radius: 50%;
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.2);
}

.timeline-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.timeline-role {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.timeline-company {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 4px;
}

.timeline-company strong { color: var(--indigo-lt); }

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
}

.timeline-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 12px;
  transition: var(--transition);
}
.timeline-body:hover { border-color: var(--border-hov); }

.timeline-achievements {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.timeline-achievements li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.55;
}

.timeline-achievements li .ach-label {
  color: var(--cyan-lt);
  font-weight: 600;
  flex-shrink: 0;
}

.highlight-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.2);
  color: var(--indigo-lt);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
}

/* ── Skills Section ──────────────────────────────────── */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  margin-top: 48px;
  align-items: start;
}

.skill-category { margin-bottom: 28px; }
.skill-category-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.skill-bar-wrap { margin-bottom: 12px; }
.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 6px;
}
.skill-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  overflow: hidden;
}
.skill-bar-fill {
  height: 100%;
  border-radius: 6px;
  background: var(--grad);
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

.skills-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

/* Tech Tags */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 8px;
  transition: var(--transition);
  font-family: 'JetBrains Mono', monospace;
}
.tag:hover { border-color: var(--indigo); color: var(--indigo-lt); background: rgba(99,102,241,0.08); }

/* ── Achievements Section ────────────────────────────── */
.achievements-section { background: var(--bg-2); }

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 48px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.achievement-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transition: var(--transition);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.achievement-card:hover { border-color: var(--border-hov); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.achievement-card:hover::after { transform: scaleX(1); }

.achievement-value {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.achievement-label {
  font-size: 0.82rem;
  color: var(--text-2);
  font-weight: 500;
  line-height: 1.4;
}

/* ── Tools Showcase ──────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-top: 48px;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad);
  transform: scaleX(0);
  transition: var(--transition);
}
.tool-card:hover { border-color: var(--border-hov); transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.tool-card:hover::before { transform: scaleX(1); }

.tool-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}

.tool-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.tool-desc {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}
.tool-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--indigo-lt);
}

/* ── Education ───────────────────────────────────────── */
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: var(--transition);
}
.edu-card:hover { border-color: var(--border-hov); }

.edu-icon {
  width: 56px; height: 56px;
  background: rgba(99,102,241,0.12);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.edu-degree { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.edu-school { font-size: 0.9rem; color: var(--indigo-lt); font-weight: 600; margin-bottom: 4px; }
.edu-meta { font-size: 0.8rem; color: var(--text-3); margin-bottom: 12px; }
.edu-courses { font-size: 0.85rem; color: var(--text-2); line-height: 1.6; }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--text-2);
  transition: var(--transition);
}
.cert-item:hover { border-color: var(--border-hov); color: var(--text); }
.cert-item i { color: var(--indigo-lt); flex-shrink: 0; }

/* ── Contact Section ─────────────────────────────────── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }

.contact-icon {
  width: 40px; height: 40px;
  background: rgba(99,102,241,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--indigo-lt);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-label { font-size: 0.72rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }
.contact-value { font-size: 0.9rem; color: var(--text); font-weight: 500; }
.contact-value a:hover { color: var(--indigo-lt); }

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-2); }

.form-input, .form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--indigo);
  background: rgba(99,102,241,0.06);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.form-textarea { resize: vertical; min-height: 130px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--grad);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.form-submit:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(99,102,241,0.3); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-message { font-size: 0.875rem; padding: 12px 16px; border-radius: 8px; display: none; }
.form-message.success { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.25); color: var(--green); display: block; }
.form-message.error   { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25); color: var(--red); display: block; }

/* ── Footer ──────────────────────────────────────────── */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
}
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 16px; }
.footer-link { font-size: 0.85rem; color: var(--text-3); transition: var(--transition); }
.footer-link:hover { color: var(--indigo-lt); }
.footer-copy { font-size: 0.8rem; color: var(--text-3); }

/* ── Tools Pages ─────────────────────────────────────── */
.tool-page { padding: 120px 0 80px; }
.tool-page-header { max-width: 640px; margin-bottom: 48px; }

.tool-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.tool-result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: none;
}
.tool-result-card.visible { display: block; }

.result-metric {
  text-align: center;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.result-metric-val {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 6px;
}
.result-metric-lbl { font-size: 0.75rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em; }

.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 24px; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
}
.status-exceeding { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--green); }
.status-near      { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: var(--amber); }
.status-below     { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: var(--red); }

.sig-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 700;
}
.sig-yes { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--green); }
.sig-no  { background: rgba(100,116,139,0.15); border: 1px solid rgba(100,116,139,0.3); color: var(--text-2); }

/* Score ring */
.score-ring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.score-ring {
  width: 140px; height: 140px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.score-ring-inner {
  width: 104px; height: 104px;
  background: var(--bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
}
.score-num { font-size: 2rem; font-weight: 900; line-height: 1; }
.score-max { font-size: 0.72rem; color: var(--text-3); }

.sequence-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.sequence-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 0.875rem; color: var(--text-2);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}
.seq-num {
  width: 22px; height: 22px;
  background: var(--grad);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700; color: white;
  flex-shrink: 0;
}

/* ── Tool result inner layouts ───────────────────────── */
.ab-variants-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.ls-result-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

/* ── Analytics Page ──────────────────────────────────── */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.analytics-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.analytics-stat-val { font-size: 2rem; font-weight: 800; margin-bottom: 4px; }
.analytics-stat-lbl { font-size: 0.8rem; color: var(--text-3); }

/* ── Tools Hub ───────────────────────────────────────── */
.hub-hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.hub-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

/* ── Animations / AOS custom ─────────────────────────── */
[data-aos] { transition-duration: 0.65s !important; }

/* ── Responsive ──────────────────────────────────────── */

/* Tablet — 900px */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .profile-grid,
  .skills-layout,
  .contact-layout { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .hub-tools-grid { grid-template-columns: 1fr !important; }
  .skills-chart-wrap { position: static; }
  .form-row { grid-template-columns: 1fr; }
  .timeline-header { flex-direction: column; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-photo-wrap { order: 1; }
  .photo-ring { width: 240px; height: 240px; }
  .badge-top-right  { right: -10px; }
  .badge-bottom-left { left: -10px; }
  .badge-bottom-right { right: -10px; }
  .edu-card { flex-direction: column; gap: 16px; }
  .tool-layout { grid-template-columns: 1fr !important; }
  .contact-layout { gap: 32px; }
}

/* Large phone — 768px */
@media (max-width: 768px) {
  section { padding: 70px 0; }
  .hub-hero { padding: 110px 0 60px; }
  .tool-page { padding: 100px 0 60px; }

  /* Ensure hamburger never bleeds off the right edge */
  .nav-actions { padding-right: 4px; }

  /* Experience: switch achievements to block so inline text flows naturally */
  .timeline-achievements li {
    display: block;
    font-size: 0.875rem;
    line-height: 1.65;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .timeline-achievements li:last-child { border-bottom: none; }
  .timeline-achievements li .ach-label {
    display: inline;
    margin-right: 4px;
  }

  .nav-links {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(8,12,20,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 40px 24px;
    gap: 8px;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; text-align: center; padding: 12px; font-size: 1rem; }
  .hamburger { display: flex; }
  .btn-nav { display: none; }

  .hero-metrics { flex-direction: column; }
  .metric-pill { flex-direction: row; align-items: center; justify-content: space-between; }
  .hero-cta { flex-direction: column; align-items: flex-start; }

  .grid-3 { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }

  .timeline { padding-left: 24px; }
  .timeline-body { padding: 18px 20px; }

  .tool-form-card,
  .tool-result-card { padding: 24px 20px; }

  .footer-links { flex-wrap: wrap; gap: 12px; }

  /* analytics charts stack */
  .charts-row { grid-template-columns: 1fr !important; }
}

/* Phone — 640px: hide decorative photo so name/CTA leads */
@media (max-width: 640px) {
  .hero-photo-wrap { display: none; }
}

/* Small phone — 480px */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  section { padding: 56px 0; }
  .hub-hero { padding: 90px 0 48px; }
  .tool-page { padding: 90px 0 48px; }

  .hero-name { font-size: 2rem; letter-spacing: -0.02em; }
  .hero-bio { font-size: 0.9rem; }
  .hero-badge { font-size: 0.68rem; padding: 5px 12px; }
  .hero-content { max-width: 100%; width: 100%; }
  .hero-cta .btn-primary,
  .hero-cta .btn-secondary { width: 100%; justify-content: center; }

  .metric-pill { padding: 12px 16px; }
  .metric-val { font-size: 1.4rem; }

  .section-title { font-size: 1.6rem; }
  .section-subtitle { font-size: 0.95rem; }

  .profile-card { padding: 20px; }

  /* ── Timeline: drop the decorative line/dot on phones ── */
  .timeline {
    padding-left: 0;
    margin-top: 32px;
  }
  .timeline::before { display: none; }
  .timeline-item { margin-bottom: 20px; }
  .timeline-item::before { display: none; }
  .timeline-header {
    flex-direction: column;
    gap: 8px;
  }
  .timeline-role { font-size: 1rem; }
  .timeline-company { font-size: 0.82rem; word-break: break-word; }
  .timeline-body { padding: 16px; margin-top: 8px; }
  .timeline-achievements li { font-size: 0.82rem; gap: 6px; }
  .timeline-date { font-size: 0.75rem; }

  .achievement-value { font-size: 2rem; }
  .achievement-card { padding: 20px 16px; }

  .edu-card { padding: 20px; }
  .edu-icon { width: 44px; height: 44px; font-size: 1.2rem; }

  .tool-form-card,
  .tool-result-card { padding: 20px 16px; }
  .tool-page-header { margin-bottom: 28px; }

  /* AB test inner grids */
  .ab-variants-grid { grid-template-columns: 1fr; }

  /* Lead scorer result header stacks vertically */
  .ls-result-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .ls-result-header > div[style] { width: 100%; }

  /* Result metrics wrap to 2 columns min */
  .result-grid { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }

  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-stat { padding: 18px; }

  .contact-layout { gap: 24px; }

  .footer-links { gap: 10px; }
  .footer-copy { font-size: 0.75rem; }

  /* Score ring smaller on phone */
  .score-ring { width: 110px; height: 110px; }
  .score-ring-inner { width: 80px; height: 80px; }
  .score-num { font-size: 1.6rem; }
}