:root {
  --bg: #0b0f16;
  --bg-soft: #101821;
  --bg-panel: rgba(17, 26, 36, 0.9);
  --card: rgba(22, 31, 42, 0.86);
  --card-strong: #111d2b;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.15);
  --text: #edf4ff;
  --text-soft: rgba(237, 244, 255, 0.7);
  --text-dim: rgba(237, 244, 255, 0.5);
  --accent: #7ad0ff;
  --accent-strong: #58b5f2;
  --accent-glow: rgba(122, 208, 255, 0.25);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(122, 208, 255, 0.12), transparent 30%),
    linear-gradient(180deg, #0b0f16 0%, #111b27 100%);
  color: var(--text);
  line-height: 1.7;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 22, 0.7);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #07141d;
  font-size: 0.8rem;
  font-weight: 800;
  box-shadow: 0 12px 24px var(--accent-glow);
}

.brand-name {
  font-size: 1.08rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.main-nav a {
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

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

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 9px 10px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  margin: 5px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #07141d;
  box-shadow: 0 18px 36px rgba(88, 181, 242, 0.25);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.hero {
  padding: 28px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 30px;
  align-items: center;
}

.eyebrow,
.section-tag {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.72rem;
  line-height: 1.2;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3.2rem, 4.3vw, 5.8rem);
  line-height: 0.86;
  letter-spacing: -0.085em;
  font-weight: 800;
  white-space: nowrap;
}

.hero-copy h2 {
  margin: 14px 0 12px;
  font-size: clamp(1rem, 1.5vw, 1.5rem);
  letter-spacing: -0.03em;
  color: rgba(237, 244, 255, 0.85);
  font-weight: 500;
}

.location {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.quick-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 0;
  margin: 20px 0 0;
}

.quick-stats li {
  min-width: 118px;
  padding: 16px 14px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.quick-stats strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.06em;
  margin-bottom: 8px;
}

.quick-stats span {
  display: block;
  font-size: 0.74rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.portrait-card {
  width: min(100%, 500px);
  border: 0;
  border-radius: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
  box-shadow: none;
}

.portrait-image {
  height: 560px;
  object-fit: cover;
  object-position: center 12%;
  background: #dfe5ec;
  transform: scale(1.02);
}

.section {
  padding: 90px 0;
}

.about,
.resume,
.projects {
  background: rgba(255, 255, 255, 0.015);
}

.section-title {
  margin: 0 0 28px;
  font-size: clamp(2rem, 2.7vw, 3rem);
  letter-spacing: -0.07em;
  line-height: 1.02;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.about-copy p {
  margin: 0 0 18px;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.about-meta {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.02);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
}

.meta-row:last-child {
  border-bottom: 0;
}

.meta-row span {
  color: var(--text-dim);
  min-width: 70px;
}

.meta-row strong,
.meta-row a {
  color: var(--text);
  text-align: right;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.metric-box {
  padding: 26px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
}

.metric-box strong {
  display: block;
  font-size: clamp(1.9rem, 3vw, 2.9rem);
  letter-spacing: -0.06em;
}

.metric-box span {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}

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

.service-card,
.project-card,
.resume-block {
  padding: 24px 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.015);
  box-shadow: none;
}

.icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(122, 208, 255, 0.08);
  color: var(--accent);
  margin-bottom: 18px;
}

.service-card h4,
.project-card h4,
.resume-block h4 {
  margin: 0 0 10px;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.05em;
}

.service-card p,
.project-card p,
.resume-block p {
  margin: 0;
  color: var(--text-soft);
}

.resume-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.resume-column {
  display: grid;
  gap: 22px;
}

.date {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.company {
  margin-bottom: 10px !important;
  font-weight: 600;
  color: var(--text) !important;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 26px;
}

.skill-item {
  display: grid;
  gap: 8px;
}

.skill-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
}

.bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

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

.project-tag {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-footer {
  padding: 72px 0 26px;
  background: linear-gradient(180deg, rgba(13, 19, 27, 0.98), rgba(7, 10, 14, 1));
  border-top: 1px solid var(--line);
}

.footer-wrap {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.footer-copy h3 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3rem);
  letter-spacing: -0.06em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-soft);
}

.copyright {
  width: min(var(--container), calc(100% - 32px));
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  text-align: center;
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .resume-grid,
  .skills-grid,
  .card-grid,
  .project-grid,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .main-nav {
    position: absolute;
    top: 78px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px;
    background: rgba(11, 15, 22, 0.96);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav-wrap {
    position: relative;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .nav-wrap {
    min-height: 70px;
  }

  .nav-button {
    display: none;
  }

  .hero-grid {
    gap: 18px;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 15vw, 4.2rem);
    letter-spacing: -0.07em;
  }

  .hero-copy h2 {
    font-size: 1rem;
  }

  .location {
    font-size: 0.94rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .quick-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .portrait-image {
    height: 360px;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    margin-bottom: 18px;
  }

  .meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .meta-row strong,
  .meta-row a {
    text-align: left;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}