/* СЕОПРОФІ — Landing styles */
:root {
  --bg: #f4f7fb;
  --bg-alt: #ffffff;
  --bg-dark: #0c1a2e;
  --text: #1a2b42;
  --text-muted: #5a6b82;
  --text-light: #c8d4e6;
  --accent: #0d6e8a;
  --accent-hover: #0a5a72;
  --accent-soft: #e6f4f8;
  --accent-glow: rgba(13, 110, 138, 0.15);
  --border: #dde5ef;
  --shadow: 0 4px 24px rgba(12, 26, 46, 0.08);
  --shadow-lg: 0 20px 60px rgba(12, 26, 46, 0.12);
  --radius: 12px;
  --radius-lg: 20px;
  --font: "Manrope", system-ui, sans-serif;
  --container: 1180px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Typography */
.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.eyebrow--light {
  color: #5ec4db;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0 0 1rem;
  color: var(--text);
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 700;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(244, 247, 251, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.header.is-scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), #1499b8);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  border-radius: 10px;
}

.logo__text {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--accent);
}

.nav__cta {
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
}

.nav__cta:hover {
  background: var(--accent-hover);
  color: #fff !important;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

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

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

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 90% 20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(20, 153, 184, 0.08), transparent);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 1.75rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.hero__stats li {
  display: flex;
  flex-direction: column;
}

.hero__stats strong {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.hero__stats span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero__visual {
  position: relative;
  min-height: 380px;
}

.hero-card {
  position: absolute;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  max-width: 260px;
}

.hero-card__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.hero-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-card--1 {
  top: 0;
  left: 0;
}

.hero-card--2 {
  top: 38%;
  right: 0;
  z-index: 2;
}

.hero-card--3 {
  bottom: 0;
  left: 15%;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--bg-alt);
}

.section--dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section--dark h2,
.section--dark h4 {
  color: #fff;
}

.section__head {
  max-width: 720px;
  margin-bottom: 3rem;
}

.section__head--center {
  text-align: center;
  margin-inline: auto;
}

.section__sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* About */
.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__text p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__aside {
  background: var(--accent-soft);
  border: 1px solid rgba(13, 110, 138, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.about__aside h3 {
  margin-bottom: 1.25rem;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
  color: var(--text);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 800;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.5rem;
}

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

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow 0.25s, transform 0.25s;
}

.section--alt .card {
  background: var(--bg-alt);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.9rem;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature {
  padding: 1.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Expertise */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.expertise-item {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
}

.expertise-item h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.expertise-item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-light);
  opacity: 0.85;
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.timeline__item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.timeline__step {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.timeline__item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Sectors */
.sectors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.sector {
  padding: 1.75rem;
  border-left: 4px solid var(--accent);
  background: var(--bg);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.section--alt .sector {
  background: var(--bg);
}

.sector p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Cases */
.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.case__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.case p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Split / Team */
.split {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.split p {
  color: var(--text-muted);
}

.team-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.role-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.role-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text-muted);
}

.role-list li:last-child {
  border-bottom: none;
}

.role-list span {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.15rem;
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.pricing-card {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.pricing-card--featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card__badge {
  position: absolute;
  top: -10px;
  right: 1.5rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  text-transform: uppercase;
}

.pricing-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1.25rem;
}

.pricing-card ul {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-card__note {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0;
}

.pricing-disclaimer {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* FAQ */
.faq {
  max-width: 800px;
}

.faq__item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.faq__item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 400;
}

.faq__item[open] summary::after {
  content: "−";
}

.faq__item p {
  margin: 0;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Contact */
.contact {
  background: linear-gradient(160deg, var(--bg-dark) 0%, #132d4a 100%);
  color: var(--text-light);
}

.contact h2 {
  color: #fff;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact__info > p {
  color: var(--text-light);
  opacity: 0.9;
}

.contact-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.contact-list li {
  margin-bottom: 1.25rem;
}

.contact-list__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #5ec4db;
  margin-bottom: 0.25rem;
}

.contact-list a {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.contact-list a:hover {
  color: #5ec4db;
}

.contact-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.contact-form h3 {
  color: #fff;
  margin-bottom: 1.5rem;
}

.contact-form label {
  display: block;
  margin-bottom: 1rem;
}

.contact-form label span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-light);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #5ec4db;
}

.form-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0.75rem 0 0;
  text-align: center;
}

/* Footer */
.footer {
  background: #081220;
  color: var(--text-light);
  padding: 2.5rem 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.footer__brand p {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  opacity: 0.7;
  max-width: 280px;
}

.logo--footer .logo__text {
  color: #fff;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__nav a {
  color: var(--text-light);
  font-size: 0.9rem;
}

.footer__nav a:hover {
  color: #5ec4db;
}

.footer__contact a {
  display: block;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}

.footer__contact p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero__grid,
  .about__grid,
  .split,
  .contact__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: 320px;
    margin-top: 1rem;
  }

  .cards--3,
  .expertise-grid,
  .timeline,
  .sectors,
  .cases,
  .pricing,
  .features {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-card--featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

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

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav__cta {
    text-align: center;
    margin-top: 0.5rem;
  }

  .burger {
    display: flex;
  }

  .cards--3,
  .expertise-grid,
  .timeline,
  .sectors,
  .cases,
  .pricing,
  .features,
  .footer__inner {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    gap: 1.25rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}