:root {
  --bg: #171717;
  --bg-soft: #1f1f1f;
  --bg-panel: #252525;
  --text: #eeeeee;
  --muted: #8c8c8c;
  --muted-strong: #b8b8b8;
  --orange: #ff7a00;
  --orange-deep: #e96700;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

.section-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  min-height: 650px;
  padding-top: 22px;
}

.navbar {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  position: relative;
  z-index: 20;
}

.logo {
  color: var(--orange);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-menu,
.footer-menu {
  display: flex;
  align-items: center;
  gap: clamp(22px, 4vw, 62px);
}

.nav-link,
.footer-menu a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.active,
.footer-menu a:hover {
  color: var(--orange);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.btn-primary {
  background: var(--orange);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--orange-deep);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--muted-strong);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.nav-cta {
  min-height: 38px;
  padding-inline: 26px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-panel);
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  border-radius: 99px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.93fr) minmax(380px, 1.07fr);
  align-items: center;
  gap: 58px;
  padding: 74px 0 70px;
}

.intro {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  color: var(--muted-strong);
  font-size: clamp(24px, 3.3vw, 36px);
  line-height: 1.15;
  font-weight: 800;
}

.hero h2 {
  margin: 6px 0 20px;
  color: var(--orange);
  font-size: clamp(27px, 4.4vw, 45px);
  line-height: 1.08;
  font-weight: 800;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 13px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #373737;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.social-links a:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: #444444;
}

.social-links img {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 38px 0 68px;
}

.stats {
  display: inline-grid;
  grid-template-columns: repeat(3, 1fr);
  background: #242424;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

.stat-item {
  min-width: 142px;
  padding: 18px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item:last-child {
  border-right: 0;
}

.stat-item strong {
  display: block;
  color: var(--orange);
  font-size: 20px;
  line-height: 1;
}

.stat-item span {
  display: block;
  margin-top: 6px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
}

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

.profile-orbit {
  width: min(535px, 100%);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: end center;
  border-radius: 50%;
  background: #242424;
  overflow: hidden;
}

.profile-orbit img {
  width: 70%;
  height: 96%;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.35));
}

.section-heading {
  text-align: center;
  margin-bottom: 54px;
}

.section-heading h2 {
  margin: 0;
  color: #dddddd;
  font-size: clamp(29px, 3.2vw, 38px);
  line-height: 1.2;
}

.section-heading p {
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.services {
  padding: 72px 0 78px;
}

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

.service-card {
  min-height: 300px;
  padding: 36px 34px 32px;
  text-align: center;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.14);
}

.service-icon {
  width: 42px;
  height: 34px;
  margin: 0 auto 20px;
  position: relative;
  display: block;
}

.service-icon::before,
.service-icon::after {
  content: "";
  position: absolute;
  border: 4px solid var(--orange);
  border-radius: 50%;
}

.service-icon::before {
  width: 16px;
  height: 16px;
  left: 7px;
  top: 0;
}

.service-icon::after {
  width: 24px;
  height: 12px;
  right: 2px;
  bottom: 0;
  border-top: 0;
  border-left-width: 3px;
  border-right-width: 3px;
}

.service-card h3 {
  margin: 0 0 26px;
  color: var(--orange);
  font-size: 17px;
  line-height: 1.25;
}

.service-card p {
  margin: 0;
  color: #6f6f6f;
  font-size: 14px;
  font-weight: 700;
}

.about {
  padding: 62px 0 86px;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
  align-items: center;
  gap: 88px;
}

.about-circle {
  width: min(430px, 100%);
  aspect-ratio: 1;
  margin: 0 auto;
  display: grid;
  place-items: end center;
  border-radius: 50%;
  background: #242424;
  overflow: hidden;
}

.about-circle img {
  width: 92%;
  height: 94%;
  object-fit: contain;
  object-position: center bottom;
}

.about-copy p {
  margin: 0 0 16px;
  color: #a4a4a4;
  font-size: 15px;
  font-weight: 600;
  text-align: justify;
}

.about-copy .btn {
  margin-top: 16px;
}

.tools {
  padding: 72px 0 82px;
}

.tools-grid {
  width: min(970px, 100%);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.tool-card {
  width: 136px;
  min-height: 146px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.tool-card.icon-missing::before {
  content: attr(data-initial);
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #303030;
  color: var(--orange);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}

.tool-card img {
  width: 62px;
  height: 62px;
  object-fit: contain;
}

.tool-card span {
  color: #d2d2d2;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.portfolio {
  padding: 74px 0 88px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-card {
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.14);
}

.portfolio-carousel {
  position: relative;
  overflow: hidden;
  background: #2a2a2a;
}

.portfolio-card img {
  width: 100%;
  aspect-ratio: 1.32;
  object-fit: cover;
  background: #2a2a2a;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 122, 0, 0.62);
  border-radius: 50%;
  background: rgba(23, 23, 23, 0.72);
  color: var(--orange);
  cursor: pointer;
  font-size: 0;
  line-height: 1;
  padding: 0;
  text-align: center;
  transform: translateY(-50%);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.carousel-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-top: 3px solid currentColor;
  border-right: 3px solid currentColor;
  transform-origin: center;
  margin: 0;
  padding: 0;
}

.carousel-prev::before {
  transform: translate(-50%, calc(-50% - 1px)) rotate(-135deg);
}

.carousel-next::before {
  transform: translate(-50%, calc(-50% - 1px)) rotate(45deg);
}

.carousel-arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #ffffff;
  transform: translateY(-50%) scale(1.05);
}

.carousel-prev {
  left: 12px;
}

.carousel-next {
  right: 12px;
}

.carousel-indicator {
  position: absolute;
  right: 10px;
  bottom: 10px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(23, 23, 23, 0.78);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
}

.portfolio-card-body {
  display: grid;
  gap: 13px;
  padding: 16px;
}

.portfolio-card-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.portfolio-card-meta h3 {
  margin: 0;
  color: #eeeeee;
  font-size: 16px;
  line-height: 1.25;
}

.portfolio-card-meta span {
  flex: 0 0 auto;
  max-width: 44%;
  color: var(--orange);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
  text-align: right;
}

.portfolio-description {
  margin: 0;
  color: #a8a8a8;
  font-size: 13px;
  font-weight: 600;
}

.portfolio-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.portfolio-tech-stack span {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255, 122, 0, 0.12);
  color: var(--orange);
  font-size: 11px;
  font-weight: 800;
}

.portfolio-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.portfolio-links a {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 5px;
  color: #d0d0d0;
  font-size: 11px;
  font-weight: 800;
  transition: border-color 180ms ease, color 180ms ease;
}

.portfolio-links a:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.contact {
  padding: 70px 0 120px;
}

.contact-form {
  width: min(890px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 24px;
}

.form-field label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 4px;
  background: #242424;
  color: #eeeeee;
  outline: none;
  padding: 17px 18px;
  font-size: 13px;
  font-weight: 600;
  transition: border-color 180ms ease, background 180ms ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--orange);
  background: #2a2a2a;
}

.form-field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-field-tall {
  grid-row: span 2;
}

.form-message {
  grid-column: 1 / 2;
  min-height: 20px;
  margin: 0;
  color: var(--orange);
  font-size: 13px;
  font-weight: 700;
}

.btn-send {
  justify-self: end;
  min-width: 114px;
  background: transparent;
  color: #cfcfcf;
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-send:disabled {
  cursor: not-allowed;
  opacity: 0.62;
  transform: none;
}

.btn-send:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.footer {
  background: #222222;
  padding: 43px 0 48px;
}

.footer-inner {
  width: min(760px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  justify-items: center;
  gap: 28px;
}

.footer .footer-menu {
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
}

@media (max-width: 980px) {
  .site-header {
    min-height: auto;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    inset: 74px 24px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px;
    background: #222222;
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
  }

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

  .nav-link {
    padding: 12px 10px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-top: 56px;
    text-align: center;
  }

  .hero-copy {
    display: grid;
    justify-items: center;
  }

  .hero-actions {
    justify-content: center;
    margin-bottom: 42px;
  }

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

  .about-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .about-copy p {
    text-align: left;
  }
}

@media (max-width: 680px) {
  .section-shell,
  .navbar,
  .footer-inner {
    width: min(100% - 32px, 1120px);
  }

  .site-header {
    padding-top: 16px;
  }

  .hero {
    padding: 44px 0 56px;
  }

  .profile-orbit {
    width: min(360px, 100%);
  }

  .stats {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .stat-item {
    min-width: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .stat-item:last-child {
    border-bottom: 0;
  }

  .services,
  .about,
  .tools,
  .portfolio,
  .contact {
    padding-block: 54px;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .service-grid,
  .portfolio-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .portfolio-card-meta {
    display: grid;
  }

  .portfolio-card-meta span {
    max-width: none;
    text-align: left;
  }

  .service-card {
    min-height: 0;
    padding: 30px 24px;
  }

  .tools-grid {
    gap: 16px;
  }

  .tool-card {
    width: calc(50% - 8px);
    min-height: 128px;
  }

  .form-field-tall {
    grid-row: auto;
  }

  .form-message,
  .btn-send {
    grid-column: 1;
  }

  .btn-send {
    justify-self: stretch;
  }

  .footer-menu {
    flex-direction: column;
  }
}