/* ===========================================================
   OCTO Web Studio — main stylesheet
   Design tokens → base → layout → components → utilities → media
   =========================================================== */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Colors */
  --bg: #0a0e17;
  --bg-soft: #0d1525;
  --bg-card: #131b2e;
  --bg-card-2: #1e293b;
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(34, 211, 238, 0.35);
  --border-orange: rgba(255, 107, 44, 0.45);

  --text: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #ff6b2c;
  --accent-hover: #ff8550;
  --accent-2: #22d3ee;
  --accent-2-hover: #5fe5f5;

  /* Effects */
  --glow-cyan: rgba(34, 211, 238, 0.45);
  --glow-orange: rgba(255, 107, 44, 0.5);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 16px 50px rgba(0, 0, 0, 0.55);
  --shadow-primary: 0 8px 24px rgba(255, 107, 44, 0.35);

  /* Type */
  --font-head: "Manrope", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --container: 1200px;
  --gutter: 24px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;

  /* Transitions */
  --t-fast: 0.18s ease;
  --t: 0.28s cubic-bezier(0.2, 0.8, 0.3, 1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; height: auto; }
img { user-select: none; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--accent-2); }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: 96px 0;
  position: relative;
}
.section--alt { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  z-index: 200;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 800; line-height: 1.15; letter-spacing: -0.01em; }
.text-accent { color: var(--accent); }
.text-cyan { color: var(--accent-2); }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), border-color var(--t-fast);
  white-space: nowrap;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn--primary:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 12px 32px rgba(255, 107, 44, 0.5); }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--accent-2); color: var(--accent-2); }
.btn--lg { padding: 16px 30px; font-size: 1rem; }
.btn--block { width: 100%; }

/* ---------- LINKS / ARROWS ---------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-2);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--t-fast), color var(--t-fast);
}
.link-arrow:hover { gap: 12px; color: var(--accent-2-hover); }
.link-arrow--sm { font-size: 0.85rem; }

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(10, 14, 23, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background var(--t), border-color var(--t), padding var(--t);
}
.header.is-scrolled {
  padding: 8px 0;
  background: rgba(10, 14, 23, 0.92);
  border-bottom-color: var(--border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: inline-flex; align-items: center; }
.logo img { height: 32px; width: auto; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__link {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 12px; }
.burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t-fast);
}
.nav__close { display: none; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.hero__glow--cyan {
  top: -200px; left: -200px;
  background: var(--glow-cyan);
  opacity: 0.5;
}
.hero__glow--orange {
  bottom: -250px; right: -150px;
  background: var(--glow-orange);
  opacity: 0.4;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--accent-2);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 24px;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.badge:hover { border-color: var(--accent-2); background: rgba(34, 211, 238, 0.06); color: var(--accent-2); }
.badge svg { color: var(--accent-2); }

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.08;
  margin-bottom: 24px;
}
.hero__subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 540px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t), transform var(--t);
}
.stat:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.stat__icon {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  background: rgba(34, 211, 238, 0.1);
  color: var(--accent-2);
  border-radius: 10px;
  margin-bottom: 6px;
}
.stat__value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
}
.stat__label { font-size: 0.85rem; color: var(--text-muted); }

.hero__visual img {
  width: 100%;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.6));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- SECTION HEAD ---------- */
.section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 56px;
  max-width: 820px;
}
.section__num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 4.5rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent-2);
  text-stroke: 1.5px var(--accent-2);
  letter-spacing: -0.02em;
}
.section__num--inline {
  -webkit-text-stroke-color: var(--accent);
  text-stroke-color: var(--accent);
  font-size: 3rem;
  margin-bottom: 12px;
  display: inline-block;
}
.section__title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  line-height: 1.15;
}
.section__desc { color: var(--text-muted); font-size: 1.05rem; max-width: 640px; }

/* ---------- SERVICES GRID ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.service-card {
  position: relative;
  padding: 28px 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--t), transform var(--t), background var(--t);
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity var(--t);
}
.service-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.service-card:hover::before { opacity: 1; }
.service-card__num {
  position: absolute;
  top: 14px; right: 18px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.service-card__icon {
  display: inline-flex;
  width: 56px; height: 56px;
  align-items: center; justify-content: center;
  color: var(--accent-2);
  background: rgba(34, 211, 238, 0.08);
  border-radius: 12px;
  margin-bottom: 18px;
  position: relative;
}
.service-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  position: relative;
}

/* ---------- WHY ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.why-card {
  padding: 26px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t), transform var(--t);
}
.why-card:hover { border-color: var(--border-orange); transform: translateY(-3px); }
.why-card__icon {
  display: inline-flex;
  width: 48px; height: 48px;
  align-items: center; justify-content: center;
  color: var(--accent-2);
  background: rgba(34, 211, 238, 0.08);
  border-radius: 10px;
  margin-bottom: 16px;
}
.why-card p {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}

.quote {
  position: relative;
  padding: 32px 40px;
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.08), rgba(255, 107, 44, 0.02));
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  line-height: 1.35;
}
.quote__mark {
  position: absolute;
  top: 4px; left: 16px;
  font-size: 4rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.4;
  font-family: Georgia, serif;
}
.quote p { padding-left: 30px; }
.quote--inline { padding: 20px 28px; margin: 24px 0 32px; font-size: clamp(1.05rem, 2vw, 1.4rem); }
.quote--inline .quote__mark { font-size: 2.5rem; top: -4px; }
.quote--inline p { padding-left: 24px; }

/* ---------- APPROACH ---------- */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.approach-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t), transform var(--t);
}
.approach-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.approach-card__icon {
  display: inline-flex;
  width: 52px; height: 52px;
  align-items: center; justify-content: center;
  color: var(--accent-2);
  background: rgba(34, 211, 238, 0.08);
  border-radius: 12px;
  margin-bottom: 18px;
}
.approach-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.approach-card p { color: var(--text-muted); font-size: 0.95rem; }

/* ---------- PROCESS ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: process;
  position: relative;
}
.process::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 6%; right: 6%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  z-index: 0;
}
.process__step {
  position: relative;
  z-index: 1;
  padding: 0 8px;
}
.process__num {
  display: inline-flex;
  width: 64px; height: 64px;
  align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 2px solid var(--accent-2);
  border-radius: 50%;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent-2);
  margin-bottom: 18px;
  box-shadow: 0 0 0 6px var(--bg);
}
.process__title { font-size: 1.15rem; margin-bottom: 8px; }
.process__text { color: var(--text-muted); font-size: 0.95rem; }

/* ---------- PRICING ---------- */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--t), border-color var(--t);
}
.plan:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.plan--featured {
  border-color: var(--border-orange);
  background: linear-gradient(180deg, rgba(255, 107, 44, 0.06), var(--bg-card) 60%);
  box-shadow: 0 20px 60px rgba(255, 107, 44, 0.18);
  transform: scale(1.03);
  z-index: 1;
}
.plan--featured:hover { transform: scale(1.03) translateY(-6px); }
.plan__badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  white-space: nowrap;
}
.plan__head { margin-bottom: 24px; }
.plan__name {
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
  color: var(--text);
}
.plan--featured .plan__name { color: var(--accent); }
.plan__price { margin-bottom: 10px; }
.plan__amount {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--accent-2);
}
.plan--featured .plan__amount { color: var(--accent); }
.plan__tagline { color: var(--text-muted); font-size: 0.9rem; min-height: 42px; }
.plan__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex: 1;
}
.plan__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.45;
}
.plan__features svg {
  flex-shrink: 0;
  color: var(--accent-2);
  margin-top: 2px;
}
.plan--featured .plan__features svg { color: var(--accent); }
.plan__cta { width: 100%; }

/* ---------- BOOK ---------- */
.book__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.book__lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.book__lead strong { color: var(--text); }
.book__visual { text-align: center; }
.book__visual img {
  display: inline-block;
  max-width: 360px;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.6));
  transform: rotate(0deg);
  transition: transform var(--t);
}
.book__visual:hover img { transform: rotate(-2deg) scale(1.02); }

/* ---------- CASES ---------- */
.cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.cases__subtitle {
  font-size: 1.25rem;
  margin-bottom: 20px;
  color: var(--text);
}
.cases__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.case-card {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t), transform var(--t);
}
.case-card:hover { border-color: var(--border-strong); transform: translateX(4px); }
.case-card img {
  width: 80px; height: 80px;
  border-radius: 10px;
  flex-shrink: 0;
}
.case-card__body { flex: 1; }
.case-card__name { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.case-card__tag { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 8px; }

.reviews { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.review {
  position: relative;
  padding: 22px 22px 22px 50px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--t);
}
.review:hover { border-color: var(--border-orange); }
.review__quote {
  position: absolute;
  top: 6px; left: 18px;
  font-size: 3rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.6;
  font-family: Georgia, serif;
}
.review__text { color: var(--text); font-size: 0.98rem; margin-bottom: 12px; line-height: 1.5; }
.review__author { display: flex; flex-direction: column; gap: 2px; }
.review__author strong { font-family: var(--font-head); color: var(--accent-2); font-size: 0.95rem; }
.review__author span { color: var(--text-muted); font-size: 0.85rem; }

/* ---------- FAQ ---------- */
.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
}
.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--t);
}
.faq__item[open] { border-color: var(--border-strong); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
  user-select: none;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--accent-2); }
.faq__icon {
  position: relative;
  flex-shrink: 0;
  width: 22px; height: 22px;
}
.faq__icon::before, .faq__icon::after {
  content: "";
  position: absolute;
  background: var(--accent-2);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t);
}
.faq__icon::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq__icon::after { top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); }
.faq__item[open] .faq__icon::after { transform: translateX(-50%) scaleY(0); opacity: 0; }
.faq__a {
  padding: 0 22px 22px;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  animation: faqOpen var(--t) ease;
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- CTA ---------- */
.cta-block { background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.cta {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 32px;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.06), rgba(255, 107, 44, 0.08));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.cta::before, .cta::after {
  content: "";
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.cta::before { top: -200px; left: -200px; background: var(--glow-cyan); opacity: 0.3; }
.cta::after { bottom: -200px; right: -200px; background: var(--glow-orange); opacity: 0.3; }
.cta > * { position: relative; z-index: 1; }
.cta__title { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
.cta__text { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 28px; }
.cta__contacts {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}
.cta__contacts a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
}
.cta__contacts a:hover { color: var(--accent-2); }
.cta__contacts svg { color: var(--accent-2); }

/* ---------- FOOTER ---------- */
.footer {
  background: #060912;
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__col--brand .logo { margin-bottom: 16px; }
.footer__col--brand .logo img { height: 36px; }
.footer__about { color: var(--text-muted); font-size: 0.92rem; line-height: 1.6; margin-bottom: 18px; max-width: 320px; }
.socials { display: flex; gap: 10px; }
.socials a {
  display: inline-flex;
  width: 38px; height: 38px;
  align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  transition: all var(--t-fast);
}
.socials a:hover { color: var(--accent-2); border-color: var(--accent-2); background: rgba(34, 211, 238, 0.06); }

.footer__title {
  font-size: 1rem;
  margin-bottom: 18px;
  color: var(--text);
}
.footer__list { display: flex; flex-direction: column; gap: 10px; }
.footer__list a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color var(--t-fast);
}
.footer__list a:hover { color: var(--accent-2); }
.footer__list--contacts li a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer__list--contacts svg { color: var(--accent-2); flex-shrink: 0; }

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ---------- BACK TO TOP ---------- */
.to-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  display: flex;
  align-items: center; justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-primary);
  z-index: 90;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--t), transform var(--t), background var(--t-fast);
}
.to-top.is-visible { opacity: 1; transform: translateY(0); }
.to-top:hover { background: var(--accent-hover); transform: translateY(-4px); }

/* ---------- MODAL ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 15, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn var(--t) ease;
}
.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 460px;
  padding: 36px 32px 32px;
  background: var(--bg-card-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
  animation: modalIn var(--t) cubic-bezier(0.2, 0.8, 0.3, 1);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal__close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color var(--t-fast), background var(--t-fast);
}
.modal__close:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.modal__title { font-size: 1.6rem; margin-bottom: 8px; }
.modal__subtitle { color: var(--text-muted); margin-bottom: 24px; font-size: 0.95rem; }

/* ---------- FORM ---------- */
.form { display: flex; flex-direction: column; gap: 16px; }
.form__field { display: flex; flex-direction: column; gap: 6px; }
.form__label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.form__field input,
.form__field textarea {
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--t-fast), background var(--t-fast);
  resize: vertical;
  width: 100%;
}
.form__field input::placeholder,
.form__field textarea::placeholder { color: var(--text-dim); }
.form__field input:focus,
.form__field textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  background: rgba(34, 211, 238, 0.04);
}
.form__field.is-invalid input,
.form__field.is-invalid textarea { border-color: var(--accent); }
.form__error { color: var(--accent); font-size: 0.82rem; min-height: 0; }
.form__check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
}
.form__check input { margin-top: 3px; accent-color: var(--accent); }
.form__check a { color: var(--accent-2); text-decoration: underline; }
.form__success {
  text-align: center;
  padding: 14px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--accent-2);
  font-family: var(--font-head);
  font-weight: 600;
}

/* ---------- REVEAL ANIMATION ---------- */
/* Progressive: only hide if JS is enabled (html.js class added by main.js) */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.3, 1);
  transition-delay: calc(var(--i, 0) * 60ms);
}
html.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  .hero__visual img { animation: none; }
}

/* ---------- MEDIA QUERIES ---------- */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .hero { padding: 120px 0 60px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; max-width: 480px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .process::before { display: none; }
  .pricing { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .plan--featured { transform: none; }
  .plan--featured:hover { transform: translateY(-6px); }
  .book__inner { grid-template-columns: 1fr; gap: 40px; }
  .book__visual { order: -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --gutter: 18px; }
  .section { padding: 56px 0; }
  .section__head { grid-template-columns: 1fr; gap: 8px; margin-bottom: 36px; }
  .section__num { font-size: 3rem; }
  .section__num--inline { font-size: 2.2rem; }

  .nav {
    position: fixed;
    top: 0; right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-soft);
    border-left: 1px solid var(--border);
    padding: 80px 28px 28px;
    transition: right var(--t);
    z-index: 150;
    overflow-y: auto;
  }
  .nav.is-open { right: 0; box-shadow: -20px 0 60px rgba(0,0,0,0.5); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 6px; }
  .nav__link { display: block; padding: 14px 8px; font-size: 1.05rem; border-bottom: 1px solid var(--border); }
  .nav__link::after { display: none; }
  .nav__close {
    display: flex;
    align-items: center; justify-content: center;
    position: absolute;
    top: 16px; right: 16px;
    width: 40px; height: 40px;
    color: var(--text);
  }
  .burger { display: flex; }
  .burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .burger.is-active span:nth-child(2) { opacity: 0; }
  .burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header__actions .btn--primary { display: none; }

  .hero { padding: 110px 0 48px; }
  .hero__title { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .hero__actions .btn { flex: 1 1 calc(50% - 7px); }
  .hero__stats { grid-template-columns: 1fr; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .approach-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr; gap: 36px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { font-size: 0.8rem; }

  .quote { padding: 24px; font-size: 1.1rem; }
  .quote p { padding-left: 0; }
  .quote--inline p { padding-left: 24px; }

  .modal__dialog { padding: 28px 22px 24px; }
  .modal__title { font-size: 1.4rem; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .hero__actions .btn { flex: 1 1 100%; }
  .stat { padding: 14px; }
  .plan { padding: 28px 20px; }
  .cta { padding: 40px 20px; }
  .to-top { width: 42px; height: 42px; bottom: 16px; right: 16px; }
}

/* ---------- PRINT ---------- */
@media print {
  .header, .to-top, .modal, .hero__glow, .cta { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding: 24px 0; }
}