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

:root {
  --color-bg: #05070b;
  --color-bg-alt: #0b1118;
  --color-surface: #111a23;
  --color-surface-hover: #172331;
  --color-border: #25364a;
  --color-text: #e8edf4;
  --color-text-muted: #a8b6c5;
  --color-text-dim: #7f90a3;
  --color-primary: #4fc3f7;
  --color-primary-hover: #2bb5f5;
  --color-accent: #89f0c8;
  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --radius: 14px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at 12% 18%, #0f1f2f 0%, var(--color-bg) 38%),
    radial-gradient(circle at 82% 10%, #132837 0%, var(--color-bg) 32%),
    var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(5, 7, 11, 0.88);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-content {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.hero {
  min-height: 100vh;
  padding: 120px 0 84px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 28%, rgba(79, 195, 247, 0.2), transparent 56%),
    radial-gradient(circle at 30% 65%, rgba(137, 240, 200, 0.16), transparent 52%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: 0.22;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-kicker {
  color: var(--color-accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 14px;
  animation: fadeInUp 0.55s ease both;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 9vw, 5.4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  animation: fadeInUp 0.55s ease 0.06s both;
}

.hero-headline {
  max-width: 840px;
  margin: 0 auto 16px;
  font-size: clamp(1.2rem, 3.8vw, 2.1rem);
  color: var(--color-text);
  animation: fadeInUp 0.55s ease 0.12s both;
}

.hero-subtext {
  max-width: 760px;
  margin: 0 auto 36px;
  color: var(--color-text-muted);
  font-size: 1.02rem;
  animation: fadeInUp 0.55s ease 0.18s both;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
  animation: fadeInUp 0.55s ease 0.24s both;
}

.metric-pill {
  border: 1px solid var(--color-border);
  background: rgba(17, 26, 35, 0.72);
  border-radius: 999px;
  padding: 9px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.metric-pill strong {
  color: var(--color-primary);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.55s ease 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-primary), #39d6e7);
  color: #021019;
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
  box-shadow: 0 10px 26px rgba(79, 195, 247, 0.3);
}

.btn-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: rgba(17, 26, 35, 0.5);
}

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

.btn-lg {
  padding: 16px 40px;
  font-size: 0.98rem;
}

.scroll-indicator {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  animation: fadeInUp 0.55s ease 0.35s both;
}

.scroll-indicator span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-dim);
}

.scroll-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollPulse 1.9s ease infinite;
}

.impact-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 17, 24, 0.9);
  padding: 24px 0;
}

.impact-strip-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.impact-strip-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.impact-strip-content ul {
  list-style: none;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.impact-strip-content li {
  color: var(--color-text);
  font-size: 0.83rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 12px;
}

.section {
  padding: 92px 0;
}

.section-title {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 4.2vw, 2.6rem);
  margin-bottom: 18px;
}

.section-title::after {
  content: "";
  display: block;
  width: 62px;
  height: 3px;
  margin: 14px auto 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-dim);
  max-width: 760px;
  margin: 0 auto 44px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.theme-card {
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(17, 26, 35, 0.9) 0%, rgba(12, 18, 27, 0.95) 100%);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}

.theme-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}

.theme-label {
  color: var(--color-accent);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
}

.theme-card h3 {
  margin: 12px 0 10px;
  font-size: 1.14rem;
  line-height: 1.35;
}

.theme-card p {
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.timeline {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline-line {
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-border);
  overflow: hidden;
  border-radius: 2px;
}

.timeline-line-fill {
  width: 100%;
  height: 100%;
  display: block;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 1s ease;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
}

.timeline.animated .timeline-line-fill {
  transform: scaleY(1);
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-dot {
  position: absolute;
  left: -40px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  background: var(--color-bg);
}

.timeline-content {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.timeline-year {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.timeline-content h3 {
  margin: 8px 0 8px;
  font-size: 1.08rem;
}

.timeline-desc {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.timeline-company-logo {
  border: 1px solid var(--color-border);
  background: rgba(5, 7, 11, 0.5);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
}

.timeline-company-logo img {
  height: 22px;
  width: auto;
}

.companies {
  background: rgba(11, 17, 24, 0.5);
}

.companies-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.company-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  transition: var(--transition);
}

.company-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
}

.company-visual {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.company-visual img {
  max-width: 145px;
  filter: saturate(1.2) contrast(1.05);
}

.medtronic-bg {
  background: linear-gradient(135deg, rgba(25, 75, 130, 0.5), rgba(13, 22, 32, 0.9));
}

.pantrac-bg {
  background: linear-gradient(135deg, rgba(117, 76, 194, 0.45), rgba(13, 22, 32, 0.9));
}

.tesla-bg {
  background: linear-gradient(135deg, rgba(186, 43, 43, 0.42), rgba(13, 22, 32, 0.9));
}

.company-info {
  padding: 22px;
}

.company-info h3 {
  margin-bottom: 8px;
}

.company-info p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.initiatives-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.initiative-card {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 24px;
  transition: var(--transition);
}

.initiative-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.initiative-card h3 {
  margin-bottom: 10px;
}

.initiative-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.tag-row {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-row span {
  font-size: 0.76rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  padding: 5px 10px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.skill-category {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.skill-category:hover {
  border-color: var(--color-primary);
}

.skill-category h3 {
  color: var(--color-accent);
  margin-bottom: 12px;
  font-size: 1.02rem;
}

.skill-list {
  list-style: none;
}

.skill-list li {
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 5px 0;
  font-size: 0.9rem;
}

.skill-list li:last-child {
  border-bottom: none;
}

.contact {
  background: rgba(11, 17, 24, 0.92);
}

.contact-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact-text {
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.contact-links {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
}

.contact-links a {
  color: var(--color-text-dim);
  transition: var(--transition);
}

.contact-links a:hover {
  color: var(--color-primary);
}

.footer {
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 26px 0;
}

.footer p {
  color: var(--color-text-dim);
  font-size: 0.83rem;
}

.footer strong {
  color: var(--color-text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@keyframes scrollPulse {
  0%, 100% {
    opacity: 1;
    transform: scaleY(1);
  }
  50% {
    opacity: 0.38;
    transform: scaleY(0.62);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .theme-grid,
  .companies-grid,
  .initiatives-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5, 7, 11, 0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .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);
  }

  .section {
    padding: 72px 0;
  }

  .timeline {
    padding-left: 30px;
  }

  .timeline-dot {
    left: -30px;
    width: 11px;
    height: 11px;
  }

  .scroll-indicator {
    display: none;
  }

  .theme-grid,
  .companies-grid,
  .initiatives-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
}