/* IonIT Landing — light blue studio aesthetic */

:root {
  --bg: #f4f8fd;
  --bg-soft: #eaf2fb;
  --surface: #ffffff;
  --ink: #0b1f3a;
  --ink-soft: #3d5573;
  --muted: #6b8199;
  --line: rgba(26, 111, 232, 0.12);
  --blue: #1a6fe8;
  --blue-bright: #3b9eff;
  --blue-deep: #0e4db5;
  --cyan: #5ec8ff;
  --sky: #cfe6ff;
  --shadow: 0 18px 50px rgba(14, 77, 181, 0.08);
  --shadow-hover: 0 24px 60px rgba(14, 77, 181, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --header-h: 76px;
  --container: 1120px;
  --font: "Onest", "Segoe UI", sans-serif;
  --display: "Unbounded", "Onest", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(59, 158, 255, 0.28);
  color: var(--ink);
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Ambient background */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(94, 200, 255, 0.32), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(59, 158, 255, 0.18), transparent 55%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 40%, #eef5fc 100%);
  contain: strict;
}

.page-bg__orb {
  position: absolute;
  border-radius: 50%;
  /* Soft gradient blobs without live blur filters */
  background: radial-gradient(circle, rgba(94, 200, 255, 0.45) 0%, rgba(94, 200, 255, 0) 70%);
}

.page-bg__orb--1 {
  width: 520px;
  height: 520px;
  top: 12%;
  left: -10%;
}

.page-bg__orb--2 {
  width: 460px;
  height: 460px;
  top: 52%;
  right: -8%;
  background: radial-gradient(circle, rgba(26, 111, 232, 0.28) 0%, rgba(26, 111, 232, 0) 70%);
}

.page-bg__grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(26, 111, 232, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 111, 232, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: 12px;
  border: 1.5px solid transparent;
  font-weight: 650;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease), color 0.3s var(--ease);
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-bright), var(--blue));
  color: #fff;
  box-shadow: 0 10px 28px rgba(26, 111, 232, 0.28);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(26, 111, 232, 0.36);
}

.btn--shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, 0.35) 50%, transparent 75%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--ease);
}

.btn--shine:hover::after {
  transform: translateX(120%);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(26, 111, 232, 0.18);
  color: var(--ink);
}

.btn--ghost:hover {
  background: #fff;
  border-color: rgba(26, 111, 232, 0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border-color: rgba(26, 111, 232, 0.28);
  color: var(--blue-deep);
}

.btn--outline:hover {
  background: rgba(26, 111, 232, 0.06);
  border-color: var(--blue);
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.65;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(244, 248, 253, 0.92);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(14, 77, 181, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: min(100% - 2.5rem, var(--container));
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

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

.logo__mark {
  width: 38px;
  height: 38px;
  display: block;
  border-radius: 12px;
  box-shadow:
    0 8px 20px rgba(14, 77, 181, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.logo__word {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: -0.045em;
  line-height: 1;
  background: linear-gradient(120deg, #0b1f3a 10%, #155fe0 55%, #3b9eff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo--footer .logo__mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
}

.logo--footer .logo__word {
  font-size: 1.7rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin-left: auto;
}

.nav__link {
  padding: 0.55rem 0.85rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 550;
  border-radius: 10px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--blue);
  background: rgba(26, 111, 232, 0.07);
}

.header__cta {
  margin-left: 0.5rem;
  min-height: 42px;
  padding-inline: 1.1rem;
  font-size: 0.88rem;
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.burger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.burger.is-open span:nth-child(2) {
  opacity: 0;
}

.burger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: center;
  padding: 3.5rem 0 4.5rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: -10% 0 auto;
  height: 120%;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 55% at 70% 40%, rgba(94, 200, 255, 0.28), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 70%, rgba(26, 111, 232, 0.12), transparent 55%);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.hero__content {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.hero__brand {
  margin-bottom: 1rem;
}

.hero__brand-text {
  display: inline-block;
  font-family: var(--display);
  font-size: clamp(3rem, 8.5vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(120deg, var(--blue-deep) 0%, var(--blue-bright) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__title {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 1rem;
  max-width: 20ch;
}

.hero__text {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 38ch;
  margin-bottom: 1.75rem;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 100%;
}

.hero__actions .btn {
  max-width: 100%;
  text-align: center;
  white-space: normal;
  height: auto;
  min-height: 48px;
  padding-block: 0.85rem;
}

.hero__visual {
  position: relative;
  width: min(100%, 420px);
  justify-self: end;
  pointer-events: none;
}

.hero__screen {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(26, 111, 232, 0.14);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__screen-bar {
  display: flex;
  gap: 6px;
  padding: 0.9rem 1rem;
  background: rgba(207, 230, 255, 0.45);
  border-bottom: 1px solid var(--line);
}

.hero__screen-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #b9d4f5;
}

.hero__screen-bar span:first-child { background: #9bc4f5; }

.hero__screen-body {
  padding: 1.25rem 1.2rem 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.hero__code-line,
.hero__code-block {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(26, 111, 232, 0.18), rgba(94, 200, 255, 0.22));
}

.hero__code-line--short { width: 55%; }
.hero__code-line--mid { width: 72%; }

.hero__code-block {
  height: 88px;
  margin-top: 0.35rem;
  background:
    linear-gradient(135deg, rgba(26, 111, 232, 0.12), rgba(94, 200, 255, 0.28)),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 8px,
      rgba(255, 255, 255, 0.35) 8px,
      rgba(255, 255, 255, 0.35) 16px
    );
}

/* Sections */
.section {
  padding: 5.5rem 0;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

#home,
#stats,
#consult,
#promo,
#about,
#founder,
#process,
#guarantees,
#works,
#case,
#services,
#calc,
#quiz,
#stack,
#faq,
#blog,
#contacts {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section__head {
  max-width: 640px;
  margin-bottom: 2.75rem;
}

.section__eyebrow {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section__title {
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin-bottom: 0.85rem;
}

.section__lead {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 52ch;
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.value {
  padding: 1.4rem 1.25rem 1.5rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.value:hover {
  transform: translateY(-4px);
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow);
}

.value__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--blue);
  background: rgba(26, 111, 232, 0.08);
  border-radius: 12px;
}

.value__icon svg {
  width: 22px;
  height: 22px;
}

.value__title {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.45rem;
}

.value__text {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Founder */
.founder__layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
}

.founder__photo-wrap {
  position: relative;
  max-width: 420px;
  margin-inline: auto;
}

.founder__photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 28px;
  display: block;
  border: 1px solid rgba(26, 111, 232, 0.16);
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}

.founder__glow {
  position: absolute;
  inset: 12% -8% -8% 12%;
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(94, 200, 255, 0.35), rgba(26, 111, 232, 0.18));
  z-index: 0;
}

.founder__role {
  margin: -0.35rem 0 1rem;
  color: var(--blue);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.founder__lead {
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.55;
  margin-bottom: 0.85rem;
  max-width: 36ch;
}

.founder__text {
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin-bottom: 1.5rem;
  max-width: 42ch;
}

.founder__facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.founder__facts li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.founder__facts strong {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.02em;
}

.founder__facts span {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 550;
}

/* Works */
.works {
  background: linear-gradient(180deg, transparent, rgba(207, 230, 255, 0.28), transparent);
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.work {
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
  perspective: 800px;
}

.work__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(180deg, #e8f3ff, #b7d6f7);
}

.work__media--1 { background: linear-gradient(160deg, #dbeafe, #93c5fd); }
.work__media--2 { background: linear-gradient(160deg, #d1fae5, #6ee7b7); }
.work__media--3 { background: linear-gradient(160deg, #e0f2fe, #7dd3fc); }
.work__media--4 { background: linear-gradient(160deg, #e2e8f0, #94a3b8); }
.work__media--5 { background: linear-gradient(160deg, #ede9fe, #c4b5fd); }
.work__media--6 { background: linear-gradient(160deg, #cffafe, #67e8f9); }

/* Real project screenshots in perspective */
.work__media--shot {
  overflow: hidden;
  perspective: 900px;
}

.work__media--editor {
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(94, 200, 255, 0.35), transparent 60%),
    linear-gradient(145deg, #dbeafe 0%, #93c5fd 45%, #60a5fa 100%);
}

.work__media--krasrap {
  background:
    radial-gradient(ellipse 70% 55% at 30% 20%, rgba(251, 191, 36, 0.28), transparent 55%),
    linear-gradient(145deg, #1e293b 0%, #334155 50%, #0f172a 100%);
}

.work__shot {
  position: absolute;
  inset: 8% 6% 4% 10%;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.work__browser {
  width: 100%;
  max-width: 100%;
  border-radius: 12px 12px 10px 10px;
  overflow: hidden;
  background: #0b1f3a;
  box-shadow:
    0 28px 50px rgba(11, 31, 58, 0.35),
    0 8px 18px rgba(11, 31, 58, 0.18),
    0 0 0 1px rgba(255, 255, 255, 0.12);
  transform: rotateY(-18deg) rotateX(8deg) rotateZ(-2deg) scale(1.02);
  transform-origin: 30% 60%;
  transition: transform 0.45s var(--ease);
}

.work:hover .work__browser {
  transform: rotateY(-10deg) rotateX(4deg) rotateZ(-1deg) scale(1.05);
}

.work__browser-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.45rem 0.65rem;
  background: linear-gradient(180deg, #1a2f4d, #13233a);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.work__browser-bar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ff5f57;
}

.work__browser-bar span:nth-child(2) { background: #febc2e; }
.work__browser-bar span:nth-child(3) { background: #28c840; }

.work__shot-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  object-position: top center;
  background: #e8eef7;
}

html[data-theme="dark"] .work__media--editor {
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(59, 158, 255, 0.28), transparent 60%),
    linear-gradient(145deg, #132033, #1a3358);
}

@media (max-width: 640px) {
  .work__browser {
    transform: rotateY(-10deg) rotateX(5deg) rotateZ(-1deg) scale(1.04);
  }
}

.work__preview {
  position: absolute;
  inset: 12% 10% 22%;
  display: grid;
  place-items: center;
  transition: transform 0.4s var(--ease);
}

.work:hover .work__preview {
  transform: translateY(-6px) scale(1.03);
}

/* Site mock */
.mock-site {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(14, 77, 181, 0.14);
  padding: 0.55rem;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.4rem;
}

.mock-site__nav {
  display: flex;
  gap: 0.3rem;
}

.mock-site__nav span {
  height: 5px;
  width: 18%;
  border-radius: 4px;
  background: #c7ddf8;
}

.mock-site__nav span:first-child {
  width: 28%;
  background: #3b9eff;
}

.mock-site__hero {
  border-radius: 8px;
  background: linear-gradient(135deg, #93c5fd, #3b9eff);
  min-height: 48px;
}

.mock-site__rows {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem;
}

.mock-site__rows div {
  height: 22px;
  border-radius: 6px;
  background: #e8f1fc;
}

/* Phone mock */
.mock-phone {
  width: 46%;
  height: 100%;
  max-width: 110px;
  background: #0b1f3a;
  border-radius: 16px;
  padding: 0.45rem;
  box-shadow: 0 12px 28px rgba(11, 31, 58, 0.25);
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 0.35rem;
}

.mock-phone__notch {
  width: 36%;
  height: 5px;
  margin: 0 auto;
  border-radius: 4px;
  background: #334155;
}

.mock-phone__map {
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(94, 200, 255, 0.35), transparent),
    #1e3a5f;
  min-height: 48px;
}

.mock-phone__card {
  background: #fff;
  border-radius: 8px;
  padding: 0.35rem;
  display: grid;
  gap: 0.25rem;
}

.mock-phone__card span {
  height: 5px;
  border-radius: 3px;
  background: #cbd5e1;
}

.mock-phone__card span:first-child {
  width: 70%;
  background: #22c55e;
}

.mock-phone__btn {
  height: 10px;
  border-radius: 6px;
  background: #22c55e;
}

/* Bot mock */
.mock-bot {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(14, 77, 181, 0.14);
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  justify-content: flex-end;
}

.mock-bot__msg {
  max-width: 82%;
  padding: 0.35rem 0.55rem;
  border-radius: 10px;
  font-size: 0.62rem;
  line-height: 1.3;
  font-weight: 600;
}

.mock-bot__msg--in {
  align-self: flex-start;
  background: #e8f3ff;
  color: #0b1f3a;
}

.mock-bot__msg--out {
  align-self: flex-end;
  background: #3b9eff;
  color: #fff;
}

.mock-bot__chips {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.mock-bot__chips span {
  font-size: 0.55rem;
  font-weight: 700;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
  background: #dbeafe;
  color: #1a6fe8;
}

/* Desktop mock */
.mock-desk {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(14, 77, 181, 0.14);
  display: grid;
  grid-template-columns: 22% 1fr;
  overflow: hidden;
}

.mock-desk__side {
  background: #0b1f3a;
}

.mock-desk__main {
  padding: 0.5rem;
  display: grid;
  gap: 0.4rem;
  align-content: start;
}

.mock-desk__bar {
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, #3b9eff, #93c5fd);
}

.mock-desk__table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.3rem;
}

.mock-desk__table span {
  height: 16px;
  border-radius: 4px;
  background: #e2e8f0;
}

.mock-desk__table span:nth-child(odd) {
  background: #cbd5e1;
}

/* Folio mock */
.mock-folio {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.4rem;
}

.mock-folio__big {
  border-radius: 10px;
  background: linear-gradient(145deg, #a78bfa, #6366f1);
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.25);
}

.mock-folio__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
}

.mock-folio__grid span {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 6px 16px rgba(14, 77, 181, 0.1);
}

/* Fitness app mock */
.mock-app {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(14, 77, 181, 0.14);
  display: grid;
  place-items: center;
  gap: 0.55rem;
  padding: 0.7rem;
}

.mock-app__ring {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 6px solid #e0f2fe;
  border-top-color: #06b6d4;
  border-right-color: #3b9eff;
  display: grid;
  place-items: center;
}

.mock-app__ring i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #06b6d4;
}

.mock-app__stats {
  width: 70%;
  display: grid;
  gap: 0.3rem;
}

.mock-app__stats span {
  height: 7px;
  border-radius: 4px;
  background: #e0f2fe;
}

.mock-app__stats span:nth-child(1) { width: 100%; background: #67e8f9; }
.mock-app__stats span:nth-child(2) { width: 78%; }
.mock-app__stats span:nth-child(3) { width: 55%; }

.work__link {
  display: block;
  color: inherit;
  text-decoration: none;
  height: 100%;
}

.work__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(180deg, transparent 30%, rgba(11, 31, 58, 0.82) 100%);
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
  z-index: 1;
}

.work__tag {
  align-self: flex-start;
  margin-bottom: 0.45rem;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
}

.work__name {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.work__desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
}

.work__more {
  margin-top: 0.55rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan);
}

.work:hover .work__overlay,
.work:focus-within .work__overlay {
  opacity: 1;
  transform: translateY(0);
}

.works__cta {
  display: flex;
  justify-content: center;
  margin-top: 2.25rem;
}

/* Services */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.service {
  position: relative;
  padding: 1.6rem 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  overflow: hidden;
}

.service::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-bright), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}

.service:hover {
  transform: translateY(-6px);
  border-color: rgba(26, 111, 232, 0.28);
  box-shadow: var(--shadow-hover);
}

.service:hover::before {
  transform: scaleX(1);
}

.service__title {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.65rem;
}

.service__text {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  min-height: 4.2em;
}

.service__price {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 550;
}

.service__price span {
  color: var(--blue);
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.service__price small {
  margin-left: 0.2rem;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Stack */
.stack {
  background: linear-gradient(180deg, transparent, rgba(207, 230, 255, 0.35), transparent);
}

.stack__grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.85rem;
}

.stack__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  padding: 1.1rem 0.6rem 1rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: center;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.stack__item:hover {
  transform: translateY(-4px);
  border-color: rgba(26, 111, 232, 0.28);
  box-shadow: var(--shadow);
}

.stack__badge {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
}

.stack__badge i {
  display: block;
  line-height: 1;
}

.stack__name {
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--ink-soft);
}

.stack__badge--html { background: linear-gradient(135deg, #f97316, #ea580c); }
.stack__badge--css { background: linear-gradient(135deg, #38bdf8, #0284c7); }
.stack__badge--js { background: linear-gradient(135deg, #fbbf24, #d97706); color: #1f2937; }
.stack__badge--ts { background: linear-gradient(135deg, #60a5fa, #2563eb); }
.stack__badge--php { background: linear-gradient(135deg, #818cf8, #4f46e5); }
.stack__badge--py { background: linear-gradient(135deg, #38bdf8, #1d4ed8); }
.stack__badge--java { background: linear-gradient(135deg, #fb923c, #c2410c); }
.stack__badge--kt { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
.stack__badge--cs { background: linear-gradient(135deg, #22d3ee, #0891b2); }
.stack__badge--cpp { background: linear-gradient(135deg, #93c5fd, #1d4ed8); }
.stack__badge--react { background: linear-gradient(135deg, #67e8f9, #0891b2); color: #0b1f3a; }
.stack__badge--vue { background: linear-gradient(135deg, #4ade80, #16a34a); }
.stack__badge--node { background: linear-gradient(135deg, #86efac, #15803d); }
.stack__badge--electron { background: linear-gradient(135deg, #94a3b8, #334155); }
.stack__badge--flutter { background: linear-gradient(135deg, #38bdf8, #0369a1); }
.stack__badge--sql { background: linear-gradient(135deg, #7dd3fc, #0369a1); }

/* Contacts */
.contacts__layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: start;
}

.contacts__phone {
  display: none;
}

.messengers {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0.25rem;
}

.messenger {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  padding: 0.95rem 1.1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.messenger:hover {
  transform: translateY(-3px) translateX(4px);
  box-shadow: var(--shadow);
  border-color: rgba(26, 111, 232, 0.3);
  background: #fff;
}

.messenger__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease);
}

.messenger:hover .messenger__icon {
  transform: scale(1.08) rotate(-4deg);
}

.messenger__icon svg {
  width: 22px;
  height: 22px;
}

.messenger--tg .messenger__icon {
  background: linear-gradient(135deg, #5ec8ff, #2a9bdf);
}

.messenger--max .messenger__icon {
  background: linear-gradient(145deg, #4da3ff 0%, #6b5cff 48%, #8b4dff 100%);
  color: #fff;
}

.messenger__icon--max svg {
  width: 22px;
  height: 22px;
}

.messenger--vk .messenger__icon {
  background: linear-gradient(135deg, #6aa4ff, #4680c2);
}

.messenger__meta {
  display: grid;
  gap: 0.1rem;
}

.messenger__name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.messenger__hint {
  font-size: 0.86rem;
  color: var(--muted);
}

.socials {
  display: none;
}

.social {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--blue);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.social svg {
  width: 20px;
  height: 20px;
}

.social:hover {
  transform: translateY(-3px);
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.form {
  position: relative;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form__title {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.form__field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form__field label {
  font-size: 0.86rem;
  font-weight: 650;
  color: var(--ink-soft);
}

.form__field input,
.form__field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid rgba(26, 111, 232, 0.14);
  border-radius: 12px;
  background: #f8fbff;
  color: var(--ink);
  outline: none;
  resize: vertical;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}

.form__field input::placeholder,
.form__field textarea::placeholder {
  color: #93a7bd;
}

.form__field input:focus,
.form__field textarea:focus {
  border-color: var(--blue-bright);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(59, 158, 255, 0.15);
}

.form__note {
  margin-top: 0.85rem;
  min-height: 1.3em;
  font-size: 0.9rem;
  color: var(--blue);
  font-weight: 600;
}

.form__note.is-error {
  color: #c0392b;
}

.form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Footer */
.footer {
  padding: 2.75rem 0 2.25rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

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

.footer__tagline {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 28ch;
  line-height: 1.45;
}

.footer__brand {
  display: grid;
  gap: 0.15rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
}

.footer__nav a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 550;
  transition: color 0.25s var(--ease);
}

.footer__nav a:hover {
  color: var(--blue);
}

.footer__legal {
  color: var(--muted);
  font-size: 0.85rem;
  display: grid;
  gap: 0.35rem;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.75fr);
    gap: 1.25rem;
  }

  .hero__visual {
    width: min(100%, 300px);
  }

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

  .founder__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .founder__photo-wrap {
    max-width: 340px;
  }

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

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

  .contacts__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 860px) {
  .burger {
    display: flex;
  }

  .header__cta {
    display: none;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: grid;
    gap: 0.25rem;
    padding: 1rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 40px rgba(14, 77, 181, 0.1);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s var(--ease);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    padding: 0.85rem 1rem;
  }

  .hero {
    min-height: auto;
    padding: 2.5rem 0 3.5rem;
  }

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

  .hero__visual {
    width: min(100%, 360px);
    justify-self: center;
    margin-top: 0.5rem;
  }

  .hero__content {
    max-width: none;
  }

  .hero__title {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 1.5rem, var(--container));
  }

  .section {
    padding: 4rem 0;
  }

  .founder__facts {
    grid-template-columns: 1fr;
  }

  .about__grid,
  .works__grid,
  .services__grid {
    grid-template-columns: 1fr;
  }

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

  .service__text {
    min-height: 0;
  }

  .form {
    padding: 1.25rem;
  }

  .hero__brand-text {
    font-size: clamp(2.8rem, 14vw, 4rem);
  }

  .work__overlay {
    opacity: 1;
    transform: none;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .work__media,
  .service,
  .value,
  .btn {
    transition: none !important;
  }

  .work__media {
    transform: none !important;
  }
}