:root {
  --bg: #f4f7fc;
  --bg-elevated: #ffffff;
  --bg-muted: #e9eef6;
  --surface: #ffffff;
  --surface-border: rgba(15, 23, 42, 0.1);
  --text: #0f172a;
  --text-muted: #475569;
  --text-soft: #64748b;
  --accent: #2563eb;
  --accent-2: #0d9488;
  --accent-soft: #eff6ff;
  --accent-glow: rgba(37, 99, 235, 0.18);
  --success: #059669;
  --danger: #dc2626;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
  --container: 1140px;
  --header-height: 76px;
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 35%, #eef4ff 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow--one {
  width: 480px;
  height: 480px;
  top: -140px;
  right: -100px;
  background: rgba(37, 99, 235, 0.12);
}

.bg-glow--two {
  width: 420px;
  height: 420px;
  bottom: 8%;
  left: -120px;
  background: rgba(13, 148, 136, 0.1);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--surface-border);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.04);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.nav__brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-family: var(--mono);
  font-size: 0.85rem;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.nav__brand-text {
  font-size: 0.95rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--accent);
}

.nav__cta {
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
}

.section {
  position: relative;
  z-index: 1;
  padding: 6rem 0;
}

.section--muted {
  background: rgba(255, 255, 255, 0.55);
  border-block: 1px solid rgba(15, 23, 42, 0.05);
}

.section--contact {
  padding-bottom: 7rem;
}

.section-head {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section-head h2 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

.section-subtitle {
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero {
  padding-top: 4rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero__title {
  margin: 0.5rem 0;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero__headline {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 620px;
}

.hero__typing {
  font-size: 1.1rem;
  margin: 1rem 0;
  color: var(--text);
}

.typing-text {
  color: var(--accent);
  font-weight: 700;
}

.hero__bio {
  color: var(--text-soft);
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.75rem 0 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn--ghost {
  border-color: var(--surface-border);
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.btn--full {
  width: 100%;
}

.hero__meta {
  display: grid;
  gap: 0.75rem;
}

.hero__meta div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.hero__meta a {
  color: var(--accent);
  font-weight: 500;
}

.meta-label {
  color: var(--text-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.profile-card {
  position: relative;
  padding: 1.25rem;
  border-radius: calc(var(--radius) + 6px);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow);
}

.profile-card__photo,
.profile-card__placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius);
}

.profile-card__placeholder {
  display: grid;
  place-items: center;
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  background: linear-gradient(135deg, var(--accent-soft), #ecfdf5);
}

.profile-card__badge {
  position: absolute;
  top: 2rem;
  right: 2rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: #ecfdf5;
  color: var(--success);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.profile-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.profile-card__stats div {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--surface-border);
}

.profile-card__stats strong {
  display: block;
  font-size: 0.92rem;
  color: var(--accent);
}

.profile-card__stats span {
  color: var(--text-soft);
  font-size: 0.75rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
}

.about-card,
.highlight-card,
.service-card,
.project-card,
.contact-form-wrap,
.timeline-item__content,
.skill-group {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.about-card {
  padding: 1.75rem;
}

.about-highlights {
  display: grid;
  gap: 1rem;
}

.highlight-card {
  padding: 1.25rem 1.35rem;
}

.highlight-card__num {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
}

.cards-grid,
.projects-grid,
.skills-layout {
  display: grid;
  gap: 1.25rem;
}

.cards-grid {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  padding: 1.5rem;
}

.service-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-soft), #ecfdf5);
  border: 1px solid rgba(37, 99, 235, 0.12);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.project-filter {
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.project-filter:hover,
.project-filter.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.projects-grid {
  grid-template-columns: repeat(2, 1fr);
}

.project-card {
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.22);
}

.project-card.is-hidden {
  display: none;
}

.project-card__media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-muted);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.08));
}

.project-card__body {
  padding: 1.35rem;
}

.project-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.project-card__category {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--accent-2);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pill {
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  border: 1px solid var(--surface-border);
  white-space: nowrap;
}

.pill--accent {
  color: var(--accent);
  border-color: rgba(37, 99, 235, 0.2);
  background: var(--accent-soft);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0;
}

.tech-tag {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  font-size: 0.78rem;
}

.text-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.project-card__links {
  display: flex;
  gap: 1rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1.25rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 1rem;
}

.timeline-item__marker {
  width: 12px;
  height: 12px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12);
}

.timeline-item__content {
  padding: 1.25rem 1.35rem;
}

.timeline-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  color: var(--text-soft);
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.timeline-item__company {
  color: var(--accent);
  font-weight: 600;
  margin: 0.2rem 0 0.65rem;
}

.skills-layout {
  grid-template-columns: repeat(2, 1fr);
}

.skill-group {
  padding: 1.35rem;
}

.skill-bar {
  margin-top: 1rem;
}

.skill-bar__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
}

.skill-bar__track {
  height: 8px;
  background: var(--bg-muted);
  border-radius: 999px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.85rem;
}

.contact-list li {
  display: grid;
  gap: 0.15rem;
}

.contact-list strong {
  color: var(--text-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-list a {
  color: var(--accent);
  font-weight: 500;
}

.contact-form-wrap {
  padding: 1.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  background: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.form-field {
  margin-bottom: 0.85rem;
}

.form-error {
  color: var(--danger);
  font-size: 0.82rem;
}

.flash-messages {
  margin-bottom: 1rem;
}

.flash {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.flash--success,
.flash--info {
  background: #ecfdf5;
  border: 1px solid rgba(5, 150, 105, 0.2);
  color: #065f46;
}

.flash--error {
  background: #fef2f2;
  border: 1px solid rgba(220, 38, 38, 0.2);
  color: #991b1b;
}

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--surface-border);
  padding: 1.5rem 0 2rem;
  background: rgba(255, 255, 255, 0.7);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.footer__links {
  display: flex;
  gap: 1rem;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal--delay {
  transition-delay: 0.12s;
}

.empty-state {
  color: var(--text-muted);
}

.empty-state code {
  font-family: var(--mono);
  color: var(--accent);
}

@media (max-width: 960px) {
  .hero__grid,
  .about-grid,
  .cards-grid,
  .projects-grid,
  .skills-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--surface-border);
    display: none;
    box-shadow: var(--shadow-soft);
  }

  .nav__links.is-open {
    display: flex;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 4.5rem 0;
  }

  .profile-card__stats {
    grid-template-columns: 1fr;
  }
}