:root {
  --ink: #10131a;
  --ink-soft: #5b6472;
  --paper: #f3f5f8;
  --surface: #ffffff;
  --signal: #e84e1b;
  --signal-deep: #c93c10;
  --line: rgba(16, 19, 26, 0.1);
  --shadow: 0 18px 50px rgba(16, 19, 26, 0.1);
  --font-display: "Sora", sans-serif;
  --font-body: "Manrope", sans-serif;
  --pad: clamp(1.25rem, 4vw, 3.75rem);
  --max: 1140px;
  --radius: 18px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(900px 520px at 85% 8%, rgba(232, 78, 27, 0.12), transparent 58%),
    radial-gradient(700px 420px at 0% 20%, rgba(16, 19, 26, 0.05), transparent 55%),
    linear-gradient(180deg, #f7f8fb 0%, var(--paper) 45%, #ebeff4 100%);
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  opacity: 0.03;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: rgba(247, 248, 251, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.04em;
}

.topbar__nav {
  display: flex;
  gap: 1.5rem;
}

.topbar__nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.topbar__nav a:hover {
  color: var(--ink);
}

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

.lang {
  display: flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
}

.lang__btn {
  min-width: 2.35rem;
  padding: 0.4rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.lang__btn.is-active {
  background: var(--ink);
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--compact {
  min-height: 2.45rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  background: var(--signal);
  color: #fff;
}

.btn--compact:hover {
  background: var(--signal-deep);
  color: #fff;
}

.btn--solid {
  background: var(--signal);
  color: #fff;
  box-shadow: 0 12px 28px rgba(232, 78, 27, 0.28);
}

.btn--solid:hover {
  background: var(--signal-deep);
  color: #fff;
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn--light {
  background: #fff;
  color: var(--ink);
}

.btn--light:hover {
  background: #fff3ee;
  color: var(--signal-deep);
}

.btn--outline-light {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: transparent;
}

.btn--outline-light:hover {
  border-color: #fff;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
}

.hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(5.8rem + var(--pad)) var(--pad) var(--pad);
  position: relative;
  z-index: 1;
}

.hero__brand {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.6rem, 9vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.hero__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero__lead {
  margin: 0 0 1.8rem;
  max-width: 32ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  font-weight: 500;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
}

.hero__avail {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  width: fit-content;
  margin: 0 0 1.35rem;
  padding: 0.7rem 0 0.7rem 0.95rem;
  border-left: 3px solid var(--signal);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.hero__avail:hover {
  border-left-color: var(--signal-deep);
  transform: translateX(2px);
  color: inherit;
}

.hero__avail-main {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.hero__avail-sub {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.hero__media {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #c7ced8;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(243, 245, 248, 0.55), transparent 28%),
    linear-gradient(180deg, transparent 55%, rgba(16, 19, 26, 0.18));
  pointer-events: none;
}

.hero__media picture,
.hero__media img {
  width: 100%;
  height: 100%;
}

.hero__media img {
  object-fit: cover;
  object-position: 50% 16%;
  transform: scale(1.05);
  will-change: transform;
}

.proof {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: var(--max);
  margin: -2.5rem auto 0;
  padding: 0 var(--pad);
  position: relative;
  z-index: 2;
}

.proof__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.25rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.proof__item strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.proof__item span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}

.about,
.stack,
.work,
.certs,
.education,
.contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7rem) var(--pad) 0;
}

.eyebrow {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.2vw, 2.55rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: start;
  padding-bottom: 0.5rem;
}

.about__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  font-weight: 500;
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head .section-title {
  max-width: 22ch;
}

.stack__list {
  list-style: none;
  margin: 0;
  padding: 0 0 clamp(1rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  align-items: stretch;
}

.stack__list li {
  display: flex;
  align-items: center;
  min-height: 4.75rem;
  padding: 1.2rem 1.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.stack__list li:hover {
  transform: translateY(-3px);
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.work__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.5rem;
  display: grid;
  gap: 1rem;
}

.work__item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 1rem;
  padding: 1.5rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(16, 19, 26, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.work__item:hover {
  transform: translateY(-3px);
  border-color: rgba(232, 78, 27, 0.35);
  box-shadow: var(--shadow);
}

.work__index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.04em;
  color: var(--signal);
}

.work__content h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.work__content p {
  margin: 0 0 0.7rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.work__tags {
  margin: 0 !important;
  color: var(--ink) !important;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.certs__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.certs__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1.2rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.certs__list a span {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.certs__list a:hover {
  transform: translateY(-3px);
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
  box-shadow: var(--shadow);
}

.certs__list a:hover span {
  color: #ff9b78;
}

.education {
  padding-bottom: 0.5rem;
}

.education__text {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 1.05rem;
}

.contact {
  padding-bottom: clamp(4rem, 8vw, 6rem);
}

.contact__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 5vw, 3.6rem);
  border-radius: 28px;
  background:
    radial-gradient(520px 280px at 90% 0%, rgba(232, 78, 27, 0.55), transparent 60%),
    linear-gradient(145deg, #171b24 0%, #10131a 55%, #1c1411 100%);
  color: #fff;
  box-shadow: 0 24px 60px rgba(16, 19, 26, 0.22);
}

.contact__eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ff9b78;
}

.contact__title {
  margin: 0 0 0.85rem;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.4vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.contact__text {
  margin: 0 0 1.8rem;
  max-width: 36ch;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
  font-size: 1.05rem;
}

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

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 2rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}

@media (max-width: 980px) {
  .topbar__nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__media {
    min-height: 58svh;
    order: -1;
  }

  .hero__media::after {
    background:
      linear-gradient(180deg, transparent 45%, rgba(243, 245, 248, 0.92));
  }

  .hero__copy {
    padding-top: 2rem;
    margin-top: -3.5rem;
  }

  .proof {
    grid-template-columns: 1fr 1fr;
    margin-top: 1.5rem;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stack__list,
  .certs__list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .proof,
  .stack__list,
  .certs__list {
    grid-template-columns: 1fr;
  }

  .work__item {
    grid-template-columns: 48px 1fr;
    padding: 1.2rem;
  }

  .hero__media {
    min-height: 52svh;
  }

  .btn--compact {
    display: none;
  }

  .contact__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn,
  .stack__list li,
  .work__item {
    transition: none;
  }
}