:root {
  color-scheme: light dark;
  --color-bg: #f4f6fb;
  --color-surface: #ffffff;
  --color-surface-alt: #eef2ff;
  --color-elevated: rgba(255, 255, 255, 0.85);
  --color-border: rgba(15, 23, 42, 0.1);
  --color-border-strong: rgba(15, 23, 42, 0.18);
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #64748b;
  --color-primary: #2563eb;
  --color-primary-strong: #1d4ed8;
  --color-accent: #f97316;
  --color-accent-strong: #ea580c;
  --color-highlight: #22d3ee;
  --shadow-lg: 0 24px 55px rgba(15, 23, 42, 0.16);
  --shadow-card: 0 18px 45px rgba(37, 99, 235, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container-width: min(1180px, 92vw);
  scroll-behavior: smooth;
}

body[data-theme="dark"] {
  --color-bg: #050816;
  --color-surface: #0f172a;
  --color-surface-alt: #111b2d;
  --color-elevated: rgba(13, 19, 35, 0.88);
  --color-border: rgba(148, 163, 184, 0.18);
  --color-border-strong: rgba(94, 106, 128, 0.32);
  --color-text: #f8fafc;
  --color-text-muted: #cbd5f5;
  --color-text-subtle: #9ca3c7;
  --color-primary: #60a5fa;
  --color-primary-strong: #3b82f6;
  --color-accent: #fbbf24;
  --color-accent-strong: #f59e0b;
  --color-highlight: #34d399;
  --shadow-lg: 0 26px 60px rgba(2, 6, 23, 0.55);
  --shadow-card: 0 22px 55px rgba(59, 130, 246, 0.25);
}

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

html.no-js .site-nav__toggle {
  display: none !important;
}

html.no-js .site-nav__list {
  position: static !important;
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}

body {
  margin: 0;
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

.hero__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.project-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 0;
}

.service-card img,
.brand img {
  border-radius: 0;
  object-fit: contain;
}

picture {
  display: block;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text);
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 3.5vw + 1rem, 3.6rem);
}

h2 {
  font-size: clamp(2rem, 2vw + 1rem, 2.85rem);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.65;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.25rem;
}

button {
  font-family: inherit;
  cursor: pointer;
}

button,
input,
textarea {
  font-size: 1rem;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-highlight);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.container {
  width: var(--container-width);
  margin: 0 auto;
  padding: clamp(1.75rem, 2.5vw, 3.25rem) 0;
}

.section-lead {
  color: var(--color-text-subtle);
  max-width: 60ch;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-elevated);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border);
  transition: background 0.3s ease, border 0.3s ease;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
}

.brand__name {
  font-size: 1.1rem;
}

.site-nav__toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav__list {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav__link {
  position: relative;
  padding-block: 0.25rem;
  color: var(--color-text-subtle);
  font-weight: 500;
}

.nav__link.is-active,
.nav__link:hover {
  color: var(--color-primary);
}

.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.65rem 1.6rem;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.button--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

.button--primary:hover,
.button--primary:focus-visible {
  background: var(--color-primary-strong);
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.button--ghost:hover {
  color: var(--color-primary-strong);
}

.theme-toggle {
  font-size: 1.3rem;
  line-height: 1;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.4rem 0.55rem;
  color: var(--color-text);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  background: var(--color-highlight);
  color: #020617;
  border-radius: var(--radius-sm);
  z-index: 99;
}

.hero {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(249, 115, 22, 0.16));
  padding-top: 6.25rem;
}

.hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.85rem;
}

.lead {
  font-size: 1.125rem;
  max-width: 40ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.hero__metrics dt {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-accent);
}

.hero__metrics dd {
  margin: 0;
  color: var(--color-text-subtle);
  font-size: 0.95rem;
}

.hero__media img {
  box-shadow: var(--shadow-lg);
}

.hero__media figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.about__layout {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.about__bio {
  font-size: 1rem;
  max-width: 46ch;
}

.about__highlights {
  display: grid;
  gap: 0.85rem;
  color: var(--color-text-subtle);
}

.about__highlights li {
  padding-left: 1.75rem;
  position: relative;
}

.about__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--color-primary);
}

.about__note {
  margin-top: 1.5rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: grid;
  gap: 0.5rem;
  color: var(--color-text);
}

.skills {
  background: var(--color-surface-alt);
}

.skills__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.skill-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 40px rgba(15, 23, 42, 0.28);
}

.skill-metrics {
  height: 8px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.15);
  overflow: hidden;
}

.skill-metrics span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.skill-card ul {
  display: grid;
  gap: 0.55rem;
  color: var(--color-text-subtle);
  font-size: 0.95rem;
}

.projects__intro {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.projects__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-button {
  padding: 0.45rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-subtle);
  font-weight: 600;
  transition: all 0.2s ease;
}

.filter-button:hover {
  color: var(--color-primary);
}

.filter-button.is-active {
  background: var(--color-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-card);
}

.projects__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 2rem;
}

.project-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.28);
}

.project-card__body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--color-accent);
}

.tag-list li {
  padding: 0.3rem 0.7rem;
  background: rgba(249, 115, 22, 0.16);
  border-radius: 999px;
}

.project-card__links {
  display: flex;
  gap: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
}

.services {
  background: var(--color-surface-alt);
}

.services__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: var(--shadow-card);
}

.service-card a {
  font-weight: 600;
  color: var(--color-primary);
}

.testimonials {
  background: var(--color-surface);
}

.testimonials__inner {
  display: grid;
  gap: 2rem;
}

.testimonials__grid {
  display: grid;
  gap: 1.5rem;
}

.testimonials blockquote {
  margin: 0;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 1rem;
}

.testimonials blockquote p {
  color: var(--color-text);
  font-size: 1.05rem;
}

.testimonials footer {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--color-text-subtle);
  font-size: 0.95rem;
}

.contact__wrap {
  display: grid;
  gap: 2.5rem;
}

.contact__intro {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__mailto {
  font-weight: 600;
  color: var(--color-primary);
}

.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  gap: 1.25rem;
  box-shadow: var(--shadow-card);
}

.form-field {
  display: grid;
  gap: 0.55rem;
}

.form-field label {
  font-weight: 600;
  color: var(--color-text);
}

.form-field input,
.form-field textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.form-field__error {
  min-height: 1rem;
  font-size: 0.85rem;
  color: #f87171;
}

.form__status {
  min-height: 1.25rem;
  font-weight: 600;
}

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1.5rem 0;
}

.footer__social {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-weight: 600;
  color: var(--color-primary);
}

.footer__top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .site-nav__toggle {
    display: block;
  }

  .site-nav__list {
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 1rem;
    background: var(--color-surface);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-width: 220px;
    transform-origin: top right;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav__list[aria-expanded="true"] {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }

  .hero {
    padding-top: 5.5rem;
  }

  .hero__grid,
  .about__layout,
  .contact__wrap {
    grid-template-columns: 1fr;
  }

  .hero__media {
    order: -1;
  }
}

@media (min-width: 640px) {
  .hero__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 3rem;
  }

  .about__layout {
    grid-template-columns: 0.9fr 1fr;
    gap: 3rem;
  }

  .skills__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .services__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .testimonials__inner {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .testimonials__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact__wrap {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .footer__grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .projects__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .services__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .testimonials__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}