/* ===== Base ===== */
:root {
  --black: #0a0a0a;
  --near-black: #111111;
  --white: #f5f5f0;
  --red: #ff6a1a;
  --gray: #8a8a8a;
  --line: #2a2a2a;
  --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

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

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

ul { list-style: none; }

.section { padding: 90px 0; position: relative; }

.eyebrow {
  display: block;
  font-size: 13px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--red);
  font-weight: 700;
  margin-bottom: 24px;
}
.eyebrow-light { color: var(--white); opacity: 0.6; }

.section-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 64px;
}

.huge-title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--red); color: var(--black); }
.btn-primary:hover { background: var(--white); }

.btn-outline { border-color: var(--line); color: var(--white); }
.btn-outline:hover { border-color: var(--red); color: var(--red); }

.btn-cta {
  background: var(--white);
  color: var(--black);
  font-size: 18px;
  padding: 22px 48px;
}
.btn-cta:hover { background: var(--red); color: var(--black); }

/* ===== Cursor ===== */
.cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 14px; height: 14px;
  background: var(--red);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease-out, opacity 0.2s ease;
  mix-blend-mode: difference;
  display: none;
}
@media (hover: hover) and (pointer: fine) {
  .cursor-dot { display: block; }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-weight: 900;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.logo span { color: var(--red); }

.header-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav {
  display: flex;
  gap: 32px;
}
.main-nav a {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--red); }

/* ===== Language switch ===== */
.lang-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 76px;
  height: 32px;
  background: var(--near-black);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  cursor: pointer;
  flex-shrink: 0;
}
.lang-switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  background: var(--red);
  border-radius: 999px;
  transition: transform 0.25s ease;
}
.lang-switch.is-en .lang-switch-thumb {
  transform: translateX(100%);
}
.lang-switch-option {
  position: relative;
  z-index: 1;
  flex: 1;
  text-align: center;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--gray);
  transition: color 0.25s ease;
  pointer-events: none;
}
.lang-switch-option.active {
  color: var(--black);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  display: block;
}

/* ===== About ===== */
.about-section { padding-top: 80px; }

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.photo-placeholder {
  aspect-ratio: 4 / 5;
  background: linear-gradient(145deg, #1a1a1a, #050505);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--gray);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 14px;
}

.about-photo-img,
.cta-photo-img {
  width: 100%;
  object-fit: cover;
  object-position: top center;
}

.about-tag {
  margin-top: 16px;
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 8px 16px;
  border-radius: 999px;
}

.role {
  font-size: 18px;
  color: var(--red);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.about-text {
  color: #c9c9c9;
  font-size: 16px;
  max-width: 60ch;
  margin-bottom: 40px;
}
.about-text p + p {
  margin-top: 18px;
}

.about-meta {
  display: flex;
  gap: 48px;
  margin-bottom: 40px;
}
.meta-item { display: flex; flex-direction: column; }
.meta-num { font-size: 40px; font-weight: 900; }
.meta-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
}

/* ===== Marquee ===== */
.marquee-band {
  background: var(--red);
  color: var(--black);
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
  border-top: 1px solid var(--black);
  border-bottom: 1px solid var(--black);
}
.marquee-track {
  display: inline-block;
  animation: marquee 20s linear infinite;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== Skills ===== */
.skills-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
}

.skills-col-title {
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 32px;
  color: var(--red);
}

.check-list li {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.2s ease;
}
.check-list li:first-child { padding-top: 0; }
.check-list li:last-child { border-bottom: none; }
.check-list li:hover { color: var(--red); }

.check-num {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.05em;
}

.check-list-alt .check-num {
  font-size: 16px;
}

/* ===== Results ===== */
.results-section {
  background: var(--red);
  color: var(--black);
}
.results-section .section-title { color: var(--black); }
.title-white { color: var(--white); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px 32px;
  margin-bottom: 56px;
}
.stat-card {
  border-top: 3px solid var(--black);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
  color: var(--white);
}
.stat-num small { font-size: 28px; }
.stat-label {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.logos-caption {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  opacity: 0.7;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}
.platform-tags span {
  padding: 10px 22px;
  border: 2px solid var(--white);
  border-radius: 999px;
  font-weight: 800;
  font-size: 14px;
  color: var(--white);
}
.logos-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
}

.logo-img {
  width: 140px;
  height: auto;
  border-radius: 8px;
}

/* ===== Cases ===== */
.cases-section { padding-bottom: 40px; }

.case-block {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.case-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.case-block.reverse .case-inner {
  direction: rtl;
}
.case-block.reverse .case-text,
.case-block.reverse .case-media {
  direction: ltr;
}

.case-photo { aspect-ratio: 16 / 11; }

.case-photo-img {
  width: 100%;
  object-fit: cover;
  object-position: top center;
}

.case-num {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: var(--red);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.case-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 20px;
  line-height: 1.1;
}
.case-title small {
  font-size: 0.5em;
  font-weight: 700;
  color: var(--gray);
}

.case-desc {
  color: #c9c9c9;
  margin-bottom: 24px;
  max-width: 48ch;
}

.case-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}
.case-tags span {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--gray);
}

.case-results {
  display: flex;
  gap: 40px;
  margin-bottom: 32px;
}
.case-results b {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: var(--red);
}
.case-results small {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray);
}

/* ===== Detailed case (Case #1) ===== */
.case-detailed .case-hero {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 36px;
}

.case-role {
  color: var(--red);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 14px;
}

.case-heading {
  font-size: 22px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--red);
  margin-bottom: 10px;
}

.case-section-block {
  margin-bottom: 28px;
}

.case-text-block {
  color: #c9c9c9;
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.6;
}
.case-text-block + .case-text-block { margin-top: 8px; }

.case-bullet-list {
  margin-top: 10px;
}
.case-bullet-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 7px;
  max-width: 72ch;
  color: #e8e8e8;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
}
.case-bullet-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 800;
}
.case-bullet-list li b {
  color: var(--red);
  font-weight: 800;
}
.case-bullet-list li .case-bullet-list {
  margin-top: 6px;
  margin-left: 4px;
}
.case-bullet-list + .case-bullet-list {
  margin-top: 14px;
}

.case-subheading {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.case-inline-photo {
  aspect-ratio: 21 / 9;
  background: linear-gradient(145deg, #1a1a1a, #050505);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 28px;
}

.case-inline-photo-img {
  width: 100%;
  object-fit: cover;
  object-position: center;
}

.case-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  column-gap: 32px;
  row-gap: 16px;
}
.case-stat {
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--red);
  padding-top: 16px;
}
.case-stat-num {
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
}
.case-stat-num small { font-size: 20px; }
.case-stat-label {
  margin-top: 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray);
}

/* ===== CTA ===== */
.cta-section {
  background: var(--near-black);
  padding: 120px 0;
}

.cta-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.cta-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 24px;
}

.cta-sub {
  color: var(--gray);
  font-size: 18px;
  max-width: 52ch;
  margin-bottom: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 40px;
  margin-bottom: 48px;
}
.contact-grid > div:last-child {
  grid-column: 1 / -1;
}
.contact-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--red);
  margin-bottom: 8px;
  font-weight: 700;
}
.contact-value { font-size: 16px; font-weight: 600; word-break: break-word; }
.contact-value a {
  color: inherit;
  transition: color 0.2s ease;
}
.contact-value a:hover {
  color: var(--red);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-inner a:hover { color: var(--red); }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid,
  .skills-grid,
  .case-inner,
  .case-block.reverse .case-inner,
  .case-detailed .case-hero,
  .cta-grid {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }

  /* Кейси: назва кейсу перед фото на мобільних */
  .case-detailed .case-hero-text { order: 1; }
  .case-detailed .case-media { order: 2; }
  .case-detailed .case-hero { row-gap: 32px; }

  .main-nav {
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--black);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .main-nav.open { max-height: 320px; }
  .main-nav a {
    padding: 18px 32px;
    border-bottom: 1px solid var(--line);
  }
  .menu-toggle { display: flex; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  .cta-section { padding: 80px 0; }
}