:root {
  --bg: #15263a;
  --bg-soft: #1a2e46;
  --surface: #203650;
  --surface-light: #29425f;
  --ink: #f4f8fc;
  --muted: #b4c1d0;
  --accent: #48c3cf;
  --accent-strong: #75dbe3;
  --blue: #8bb8ff;
  --line: rgba(194, 214, 235, 0.19);
  --error: #ff9292;
  --success: #6ee7c5;
  --shadow: 0 28px 90px rgba(5, 15, 28, 0.24);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 12%, rgba(72, 195, 207, 0.16), transparent 34rem),
    linear-gradient(rgba(180, 205, 229, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 205, 229, 0.045) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 48px 48px, 48px 48px, auto;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: inherit; }

.site-header {
  width: min(1180px, calc(100% - 48px));
  min-height: 84px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand span { color: var(--accent); }

nav { display: flex; gap: 30px; }

nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible { color: var(--ink); }

.hero,
.services,
.process,
.skills-section,
.about,
.contact {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: min(790px, calc(100vh - 84px));
  padding: clamp(90px, 12vw, 150px) 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 1120px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.12;
}

h1 {
  max-width: 1120px;
  font-size: clamp(3rem, 6.3vw, 6.2rem);
  letter-spacing: -0.055em;
}

.hero__headline {
  display: grid;
  gap: 0.02em;
}

.hero__headline-intro,
.hero__headline-result {
  display: block;
}

.hero__headline-intro {
  white-space: nowrap;
}

.hero__headline-intro strong {
  display: inline-block;
  padding: 0.04em 0.16em 0.08em;
  border: 1px solid rgba(196, 247, 250, 0.72);
  border-radius: 0.16em;
  color: #0b2430;
  background: var(--accent-strong);
  box-shadow: 0 0.12em 0.4em rgba(72, 195, 207, 0.16);
  font-size: 0.76em;
  letter-spacing: -0.025em;
  line-height: 1;
  vertical-align: 0.08em;
}

.hero__headline-result {
  color: var(--accent-strong);
  font-size: 0.72em;
  letter-spacing: -0.04em;
}

h2 {
  max-width: 760px;
  font-size: clamp(2.25rem, 4.8vw, 4.4rem);
  letter-spacing: -0.045em;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.hero__text {
  max-width: 720px;
  margin: 30px 0 22px;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.hero__note {
  max-width: 760px;
  margin: 0 0 38px;
  padding-left: 17px;
  border-left: 2px solid rgba(117, 219, 227, 0.48);
  color: #93a7bc;
  font-size: 0.92rem;
}

.hero__note span {
  color: var(--ink);
  font-weight: 700;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.button {
  min-height: 52px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: #061018;
  background: var(--accent);
  box-shadow: 0 10px 32px rgba(56, 185, 198, 0.15);
  font: inherit;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.text-link {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
  text-underline-offset: 5px;
}

.text-link:hover { color: var(--ink); }

.button:focus-visible,
input:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(56, 185, 198, 0.32);
  outline-offset: 3px;
}

.button:disabled { opacity: 0.6; cursor: wait; transform: none; }

.services {
  padding: clamp(90px, 11vw, 145px) 0;
  border-top: 1px solid var(--line);
}

.section-heading { margin-bottom: 58px; }

.section-heading__text {
  max-width: 730px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.13rem);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 265px;
  padding: clamp(28px, 3.5vw, 38px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 100% 0, rgba(72, 195, 207, 0.09), transparent 14rem),
    linear-gradient(155deg, rgba(36, 59, 86, 0.68), rgba(27, 47, 71, 0.46));
  transition: border-color 180ms ease, background 180ms ease;
}

.service-card:hover {
  border-color: rgba(117, 219, 227, 0.3);
  background:
    radial-gradient(circle at 100% 0, rgba(72, 195, 207, 0.13), transparent 14rem),
    linear-gradient(155deg, rgba(39, 64, 93, 0.76), rgba(29, 50, 75, 0.54));
}

.service-card__icon {
  width: 46px;
  height: 46px;
  margin-bottom: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(117, 219, 227, 0.35);
  border-radius: 10px;
  color: var(--accent-strong);
  background: rgba(72, 195, 207, 0.08);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  max-width: 430px;
  font-size: clamp(1.3rem, 2vw, 1.65rem);
}

.service-card > p:last-child {
  max-width: 390px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.process {
  padding: clamp(90px, 11vw, 145px) 0;
  border-top: 1px solid var(--line);
}

.process__paths {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.process-path {
  --path-accent: var(--accent-strong);
  position: relative;
  min-width: 0;
  padding: clamp(28px, 3vw, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    radial-gradient(circle at 100% 0, color-mix(in srgb, var(--path-accent) 13%, transparent), transparent 13rem),
    linear-gradient(155deg, rgba(41, 66, 95, 0.74), rgba(26, 46, 70, 0.54));
  box-shadow: 0 22px 58px rgba(5, 15, 28, 0.12);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.process-path:nth-child(2) { --path-accent: var(--blue); }
.process-path:nth-child(3) { --path-accent: #a9a2ff; }

.process-path::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--path-accent), transparent 82%);
}

.process-path:hover {
  border-color: color-mix(in srgb, var(--path-accent) 42%, transparent);
  box-shadow: 0 28px 70px rgba(5, 15, 28, 0.2);
  transform: translateY(-4px);
}

.process-path__header {
  min-height: 96px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.process-path__icon {
  width: 50px;
  height: 50px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--path-accent) 40%, transparent);
  border-radius: 12px;
  color: var(--path-accent);
  background: color-mix(in srgb, var(--path-accent) 10%, rgba(18, 35, 54, 0.8));
  box-shadow: 0 12px 30px color-mix(in srgb, var(--path-accent) 12%, transparent);
}

.process-path__icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.process-path__header p {
  margin: 1px 0 7px;
  color: var(--path-accent);
  font: 700 0.68rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.process-path__header h3 {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  line-height: 1.22;
}

.process-path__lead {
  min-height: 82px;
  margin: 20px 0 28px;
  padding-bottom: 25px;
  border-bottom: 1px solid rgba(194, 214, 235, 0.14);
  color: var(--muted);
  font-size: 0.92rem;
}

.process-path__timeline {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 23px;
  list-style: none;
}

.process-path__timeline li {
  position: relative;
  min-height: 50px;
  padding-left: 32px;
}

.process-path__timeline li::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 3px;
  width: 12px;
  height: 12px;
  z-index: 1;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--path-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--path-accent) 12%, transparent),
              0 0 18px color-mix(in srgb, var(--path-accent) 25%, transparent);
}

.process-path__timeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: -28px;
  left: 8px;
  width: 2px;
  background: linear-gradient(var(--path-accent), color-mix(in srgb, var(--path-accent) 18%, transparent));
  opacity: 0.55;
}

.process-path__timeline strong {
  display: block;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.35;
}

.process-path__timeline p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.skills-section {
  padding: clamp(90px, 11vw, 145px) 0;
  border-top: 1px solid var(--line);
}

.skills-stack {
  display: grid;
  gap: 18px;
}

.skill-tier {
  padding: clamp(30px, 4vw, 46px);
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.55fr);
  align-items: start;
  gap: clamp(32px, 6vw, 78px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(41, 66, 95, 0.66), rgba(32, 54, 80, 0.48));
}

.skill-tier__heading p {
  margin: 0 0 10px;
  color: var(--accent-strong);
  font: 0.7rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.skill-tier__heading h3 {
  max-width: 310px;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.2;
}

.skill-tier__secondary {
  margin-top: 8px;
  padding-top: 38px;
  display: grid;
  grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.55fr);
  grid-column: 1 / -1;
  gap: clamp(32px, 6vw, 78px);
  border-top: 1px solid rgba(117, 219, 227, 0.22);
}

.skill-tier__secondary .skill-list { grid-column: 2; }

.skill-list {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.skill-item {
  min-height: 42px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(194, 214, 235, 0.2);
  border-radius: 7px;
  color: #d8e2ed;
  background: rgba(15, 30, 48, 0.38);
  font-size: 0.86rem;
  font-weight: 650;
}

.skill-item--logo {
  padding-left: 7px;
}

.skill-logo {
  width: 30px;
  height: 30px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 6px;
  background: #f7fafc;
}

.skill-logo img {
  width: 21px;
  height: 21px;
  display: block;
}

.skill-logo--php { background: #f1f0f8; }
.skill-logo--phpstorm { background: #f8efff; }
.skill-logo--git { background: #fff1ec; }
.skill-logo--mysql { background: #edf7fa; }
.skill-logo--html { background: #fff0eb; }
.skill-logo--css { background: #f4effa; }
.skill-logo--js { background: #263344; }
.skill-logo--laravel { background: #fff0ef; }
.skill-logo--symfony { background: #ffffff; }
.skill-logo--nette { background: #edf5fc; }
.skill-logo--rest { background: #e6f8fb; }
.skill-logo--composer { background: #f7f0ea; }
.skill-logo--postgresql { background: #eef3ff; }
.skill-logo--redis { background: #fff0ef; }
.skill-logo--docker { background: #edf7ff; }
.skill-logo--testing { background: #f3efff; }
.skill-logo--payment { background: #fff6e5; }
.skill-logo--external { background: #edf4ff; }
.skill-logo--automation { background: #fff1e9; }
.skill-logo--ai { background: #f4efff; }
.skill-logo--node { background: #eff8eb; }
.skill-logo--react { background: #e8f8fc; }
.skill-logo--next { background: #ffffff; }
.skill-logo--nest { background: #fff0f3; }

.skill-logo--rest img,
.skill-logo--testing img,
.skill-logo--payment img,
.skill-logo--external img,
.skill-logo--automation img,
.skill-logo--ai img {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}

.about {
  padding: clamp(90px, 11vw, 145px) 0;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(55px, 10vw, 140px);
  border-top: 1px solid var(--line);
}

.about__heading h2 {
  max-width: 540px;
  font-size: clamp(2.25rem, 4vw, 3.8rem);
}

.about__identity {
  margin: 42px 0 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.about__identity img {
  width: 132px;
  height: 132px;
  display: block;
  border: 1px solid rgba(194, 214, 235, 0.28);
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 18px 48px rgba(5, 15, 28, 0.24);
}

.about__identity figcaption {
  display: grid;
  gap: 3px;
}

.about__identity strong {
  color: var(--ink);
  font-size: 1.15rem;
}

.about__identity span {
  color: var(--accent-strong);
  font: 0.75rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about__identity .about__location {
  font-size: 0.7rem;
}

.about__content {
  max-width: 640px;
  padding-top: 44px;
}

.about__content p {
  margin: 0;
  color: var(--muted);
}

.about__content p + p { margin-top: 18px; }

.about__content .about__lead {
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.about__principles {
  margin-top: 38px;
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--line);
}

.about__principles span {
  padding: 8px 12px;
  border: 1px solid rgba(117, 219, 227, 0.24);
  border-radius: 5px;
  color: var(--accent-strong);
  background: rgba(72, 195, 207, 0.055);
  font: 0.72rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

.contact {
  margin-bottom: 70px;
  padding: clamp(55px, 7vw, 90px);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(55px, 9vw, 120px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(41, 66, 95, 0.96), rgba(28, 48, 73, 0.98));
  box-shadow: var(--shadow);
}

.contact h2 { font-size: clamp(2.2rem, 4vw, 3.8rem); }

.contact__intro > p:last-child {
  max-width: 420px;
  margin: 26px 0 0;
  color: var(--muted);
}

.contact-form { display: grid; gap: 22px; }
.form-field { display: grid; gap: 8px; }
label { color: #cad7e7; font-size: 0.88rem; font-weight: 700; }

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: rgba(15, 30, 48, 0.48);
  font: inherit;
}

input { min-height: 52px; padding: 0 15px; }
textarea { min-height: 160px; padding: 13px 15px; resize: vertical; }
input:hover, textarea:hover { border-color: rgba(99, 212, 222, 0.4); }
input:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: rgba(99, 212, 222, 0.4);
}
small { color: #71839a; }

.form-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form .button { justify-self: start; }
.form-status { min-height: 1.6em; margin: 0; font-weight: 650; }
.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: var(--error); }

footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #63758c;
  font: 0.78rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

footer p { margin: 0; }

.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8ea4bc;
  text-decoration: none;
  transition: color 160ms ease;
}

.linkedin-link svg {
  fill: currentColor;
}

.linkedin-link:hover,
.linkedin-link:focus-visible {
  color: var(--accent-strong);
}

@media (max-width: 880px) {
  .hero { min-height: auto; }
  .services__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about,
  .contact { grid-template-columns: 1fr; }
  .process__paths { grid-template-columns: 1fr; }
  .process-path__header { min-height: auto; }
  .process-path__lead { min-height: auto; }
  .skill-tier { grid-template-columns: 1fr; }
  .skill-tier__secondary { grid-template-columns: 1fr; }
  .skill-tier__secondary .skill-list { grid-column: 1; }
  .about__content { padding-top: 0; }
}

@media (max-width: 760px) {
  .hero__headline-intro { white-space: normal; }
}

@media (max-width: 680px) {
  .site-header, .hero, .services, .process, .skills-section, .about, .contact, footer { width: min(100% - 32px, 1180px); }
  .site-header { min-height: 72px; }
  nav { gap: 13px; }
  nav a { font-size: 0.8rem; }
  .hero { padding: 70px 0 90px; }
  .services__grid { grid-template-columns: 1fr; }
  .process-path { padding: 27px 23px 30px; }
  .process-path__header { min-height: auto; }
  .skill-tier { padding: 24px; gap: 24px; }
  .service-card {
    min-height: auto;
    padding: 28px;
  }
  .contact { padding: 40px 22px; }
}

@media (max-width: 520px) {
  .site-header {
    padding: 14px 0 16px;
    flex-wrap: wrap;
    row-gap: 12px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button,
  .process-path,
  .service-card { transition: none; }
}