:root {
  --bg: #050914;
  --bg-elev: #0c1222;
  --text: #e8eef9;
  --muted: #7e8fb3;
  --accent: #5c9eff;
  --accent-dim: #3d7ad6;
  --border: rgba(92, 158, 255, 0.22);
  --logo-bg: #152744;
  --logo-fg: #dde9ff;
  --logo-shadow: rgba(92, 158, 255, 0.32);
  --btn-primary-text: #030811;
  --bg-glow-1: rgba(80, 140, 255, 0.14);
  --bg-glow-2: rgba(45, 95, 200, 0.09);
  --ghost-hover-bg: rgba(12, 18, 34, 0.96);
  --ghost-hover-border: rgba(120, 175, 255, 0.42);
  --primary-shadow: rgba(70, 130, 255, 0.3);
  --primary-hover-shadow: rgba(100, 160, 255, 0.42);
  --noise-opacity: 0.04;
  --noise-drift-high: 0.055;
  --font-display: "Fraunces", Georgia, serif;
  --font-ui: "Outfit", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #eef3fb;
  --bg-elev: #ffffff;
  --text: #0c1528;
  --muted: #546383;
  --accent: #1e56b8;
  --accent-dim: #164a9e;
  --border: rgba(30, 86, 184, 0.2);
  --logo-bg: #c5daf6;
  --logo-fg: #0a1f3d;
  --logo-shadow: rgba(30, 86, 184, 0.22);
  --btn-primary-text: #f8faff;
  --bg-glow-1: rgba(50, 110, 220, 0.12);
  --bg-glow-2: rgba(30, 86, 184, 0.07);
  --ghost-hover-bg: #e4ecf9;
  --ghost-hover-border: rgba(30, 86, 184, 0.38);
  --primary-shadow: rgba(30, 86, 184, 0.2);
  --primary-hover-shadow: rgba(30, 86, 184, 0.32);
  --noise-opacity: 0.028;
  --noise-drift-high: 0.045;
}

[data-theme="dark"] {
  color-scheme: dark;
}

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

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /* без цього вертикальний скролбар «їсть» лише правий край — колонка виглядає зміщеною вліво */
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: clamp(1rem, 2.8vw, 1.0625rem);
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

@keyframes bg-breathe {
  0%,
  100% {
    opacity: 0.45;
  }
  50% {
    opacity: 0.75;
  }
}

@keyframes fade-rise {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* «Виліт» рядків ленду: зліва-знизу + легкий овершут */
@keyframes lead-fly-in {
  0% {
    opacity: 0;
    transform: translate3d(-2.25rem, 1.35rem, 0) scale(0.88);
  }
  62% {
    opacity: 1;
    transform: translate3d(0.35rem, -0.2rem, 0) scale(1.03);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes logo-in {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(-0.75rem);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes accent-soft-pulse {
  0%,
  100% {
    text-shadow: 0 0 0 transparent;
  }
  50% {
    text-shadow: 0 0 28px rgba(100, 170, 255, 0.48);
  }
}

@keyframes accent-soft-pulse-light {
  0%,
  100% {
    text-shadow: 0 0 0 transparent;
  }
  50% {
    text-shadow: 0 0 22px rgba(30, 86, 184, 0.38);
  }
}

@keyframes noise-drift {
  0%,
  100% {
    opacity: var(--noise-base, 0.035);
  }
  50% {
    opacity: var(--noise-drift-high);
  }
}

@keyframes bg-shift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  40% {
    transform: translate3d(2%, -1.5%, 0) scale(1.04);
  }
  70% {
    transform: translate3d(-2%, 2%, 0) scale(1.02);
  }
}

@keyframes logo-drift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
}

@keyframes pack-bob {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  30% {
    transform: translateY(-4px) rotate(-6deg);
  }
  60% {
    transform: translateY(2px) rotate(4deg);
  }
}

@keyframes btn-shine {
  0%,
  40% {
    transform: translateX(-120%) skewX(-12deg);
  }
  60%,
  100% {
    transform: translateX(120%) skewX(-12deg);
  }
}

@keyframes ghost-border-glow {
  0%,
  100% {
    border-color: var(--border);
    box-shadow: 0 0 0 0 transparent;
  }
  50% {
    border-color: var(--ghost-hover-border);
    box-shadow: 0 0 20px rgba(92, 158, 255, 0.08);
  }
}

@keyframes ghost-border-glow-light {
  0%,
  100% {
    border-color: var(--border);
    box-shadow: 0 0 0 0 transparent;
  }
  50% {
    border-color: var(--ghost-hover-border);
    box-shadow: 0 0 18px rgba(30, 86, 184, 0.1);
  }
}

@keyframes orb-a {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-18px, 22px) scale(1.08);
  }
}

@keyframes orb-b {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(14px, -18px) scale(1.06);
  }
}

@keyframes toggle-hint {
  0%,
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
  50% {
    box-shadow: 0 0 0 3px rgba(92, 158, 255, 0.12);
  }
}

@keyframes toggle-hint-light {
  0%,
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
  50% {
    box-shadow: 0 0 0 3px rgba(30, 86, 184, 0.12);
  }
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(55% 45% at 18% 12%, var(--bg-glow-1), transparent 70%),
    radial-gradient(40% 35% at 88% 72%, var(--bg-glow-2), transparent 65%);
  animation: bg-breathe 14s ease-in-out infinite, bg-shift 26s ease-in-out infinite;
}

/* Центрування через block + margin: надінніше за flex на body (без втручання fixed-елементів) */
.page {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 46rem;
  margin-inline: auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  padding-top: max(1.25rem, env(safe-area-inset-top, 0px));
  padding-inline: max(1.25rem, env(safe-area-inset-left, 0px)) max(1.25rem, env(safe-area-inset-right, 0px));
  padding-bottom: max(1.25rem, env(safe-area-inset-bottom, 0px));
}

@media (min-width: 768px) {
  .page {
    padding-top: max(2rem, env(safe-area-inset-top, 0px));
    padding-inline: max(2rem, env(safe-area-inset-left, 0px)) max(2rem, env(safe-area-inset-right, 0px));
    padding-bottom: max(1.5rem, env(safe-area-inset-bottom, 0px));
  }
}

@media (min-width: 1200px) {
  .page {
    padding-top: max(2.5rem, env(safe-area-inset-top, 0px));
  }
}

.page::before,
.page::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(52px);
  opacity: 0.55;
}

.page::before {
  width: min(62vw, 300px);
  height: min(62vw, 300px);
  background: var(--bg-glow-1);
  top: 4%;
  right: -18%;
  animation: orb-a 20s ease-in-out infinite;
}

.page::after {
  width: min(50vw, 240px);
  height: min(50vw, 240px);
  background: var(--bg-glow-2);
  bottom: 8%;
  left: -20%;
  animation: orb-b 24s ease-in-out infinite;
}

[data-theme="light"] .page::before,
[data-theme="light"] .page::after {
  opacity: 0.4;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 0;
  --noise-base: 0.035;
  animation: noise-drift 10s ease-in-out infinite;
}

[data-theme="light"] .noise {
  --noise-base: 0.024;
}

.header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0;
  width: 100%;
}

.theme-toggle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  animation: toggle-hint 5s ease-in-out infinite 2s;
}

[data-theme="light"] .theme-toggle {
  animation: toggle-hint-light 5s ease-in-out infinite 2s;
}

.theme-toggle__icon {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}

[data-theme="dark"] .theme-toggle__icon--moon,
[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .theme-toggle:hover {
    border-color: var(--ghost-hover-border);
    background: var(--ghost-hover-bg);
  }
}

.theme-toggle:active {
  transform: scale(0.96);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
  animation: logo-in 0.75s var(--ease-out) both;
}

.logo__svg {
  flex-shrink: 0;
  color: var(--logo-fg);
  filter: drop-shadow(0 4px 20px var(--logo-shadow));
  transition: transform 0.35s var(--ease-out), filter 0.35s ease;
}

@media (hover: hover) and (pointer: fine) {
  .logo:hover .logo__svg {
    transform: rotate(-4deg) scale(1.04);
    filter: drop-shadow(0 6px 26px var(--logo-shadow));
  }
}

.logo__text {
  display: inline-block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(1rem, 3.5vw, 1.125rem);
  letter-spacing: 0.06em;
  animation: logo-drift 5.5s ease-in-out infinite 0.85s;
}

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

.main {
  position: relative;
  z-index: 1;
  flex: 1;
  padding: 2rem 0 2.5rem;
  width: 100%;
}

@media (min-width: 768px) {
  .main {
    padding: 2.5rem 0 3.5rem;
  }
}

@media (min-width: 1200px) {
  .main {
    padding: 3rem 0 4rem;
  }
}

.title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 6.5vw + 0.4rem, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  animation: fade-rise 0.72s var(--ease-out) 0.1s both;
}

@media (min-width: 768px) {
  .title {
    margin-bottom: 1.5rem;
  }
}

.title em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
  animation: accent-soft-pulse 5.5s ease-in-out infinite 0.9s;
}

[data-theme="light"] .title em {
  animation-name: accent-soft-pulse-light;
}

.title__pack {
  font-style: normal;
  font-family: var(--font-ui);
  margin-left: 0.2em;
  display: inline-block;
  vertical-align: 0.08em;
  animation: pack-bob 4s ease-in-out infinite 0.6s;
}

.lead {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: none;
}

.lead p {
  margin: 0 0 0.5em;
  line-height: 1.45;
  transform-origin: 0 50%;
  animation: lead-fly-in 0.82s var(--ease-out) both;
}

.lead p:nth-child(1) {
  animation-delay: 0.12s;
}

.lead p:nth-child(2) {
  animation-delay: 0.26s;
}

.lead p:nth-child(3) {
  animation-delay: 0.4s;
}

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

.actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  animation: fade-rise 0.68s var(--ease-out) 0.62s both;
}

@media (min-width: 560px) {
  .actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.875rem;
  }
}

@media (min-width: 1200px) {
  .actions {
    gap: 1rem;
  }
}

.btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 3rem;
  padding: 0.875rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(0.9375rem, 2.5vw, 1rem);
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 560px) {
  .btn {
    width: auto;
    min-height: 2.75rem;
    min-width: 11rem;
    padding: 0.9rem 1.5rem;
  }
}

.btn:active {
  transform: scale(0.97) translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-3px);
  }

  .btn:active {
    transform: scale(0.97) translateY(-1px);
  }

  .btn--primary:hover {
    box-shadow: 0 14px 40px var(--primary-hover-shadow);
  }

  .btn--ghost:hover {
    border-color: var(--ghost-hover-border);
    background: var(--ghost-hover-bg);
    animation: none;
  }
}

.btn--primary {
  overflow: hidden;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: var(--btn-primary-text);
  box-shadow: 0 8px 28px var(--primary-shadow);
}

.btn--primary::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -20%;
  width: 40%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.12) 45%,
    rgba(255, 255, 255, 0.22) 50%,
    rgba(255, 255, 255, 0.12) 55%,
    transparent 100%
  );
  transform: translateX(-120%) skewX(-14deg);
  animation: btn-shine 4.5s ease-in-out infinite;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.btn__label {
  position: relative;
  z-index: 1;
}

.btn--ghost {
  background: var(--bg-elev);
  color: var(--text);
  border-color: var(--border);
  animation: ghost-border-glow 6s ease-in-out infinite 1s;
}

[data-theme="light"] .btn--ghost {
  animation-name: ghost-border-glow-light;
}

.hint {
  margin: 1.5rem 0 0;
  font-size: clamp(0.8125rem, 2.4vw, 0.875rem);
  color: var(--muted);
  line-height: 1.55;
  max-width: none;
  animation: fade-rise 0.65s var(--ease-out) 0.46s both;
}

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

  .noise {
    animation: none;
    opacity: var(--noise-opacity);
  }

  body::before {
    animation: none;
    opacity: 0.55;
    transform: none;
  }

  .page::before,
  .page::after {
    animation: none;
  }

  .logo,
  .logo__svg,
  .logo__text,
  .title,
  .title__pack,
  .lead,
  .lead p,
  .actions,
  .hint {
    animation: none !important;
    opacity: 1;
    transform: none;
  }

  .title em {
    animation: none;
    text-shadow: none;
  }

  .logo__svg {
    transition: none;
  }

  .theme-toggle {
    transition: none;
    animation: none;
    box-shadow: none;
  }

  .theme-toggle:active {
    transform: none;
  }

  .btn {
    transition: none;
  }

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

  .btn--ghost {
    animation: none;
    box-shadow: none;
  }

  .btn:active,
  .btn:hover {
    transform: none;
  }
}