/* Вечно худеющий — design system (Paddle-inspired, cycling cinematic) */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Hanken+Grotesk:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --ink-950: #08080a;
  --ink-900: #0b0b0d;
  --ink-800: #16161a;
  --ink-700: #26262c;
  --ink-600: #3a3a42;
  --ink-500: #5c5c66;
  --ink-400: #8a8a94;
  --ink-300: #b8b8c0;
  --ink-200: #d9d9de;
  --ink-100: #ececef;
  --ink-50: #f4f4f6;
  --paper: #ffffff;
  --bone: #f4f1ea;
  --blue-500: #2d5bff;
  --blue-400: #5c81ff;
  --blue-600: #2347e6;
  --gold-500: #f4c430;
  --gold-400: #ffd54f;
  --gold-100: #fcf1cf;
  --coral-500: #ff6a4d;
  --green-500: #00b877;

  --bg-base: var(--ink-900);
  --bg-elevated: var(--ink-800);
  --bg-subtle: var(--ink-700);
  --text-primary: var(--paper);
  --text-secondary: var(--ink-300);
  --text-muted: var(--ink-400);
  --accent: var(--gold-500);
  --accent-blue: var(--blue-500);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --font-sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;

  --container-max: 1200px;
  --container-narrow: 760px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px rgba(244, 196, 48, 0.12);
  --blur-chrome: saturate(180%) blur(16px);
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

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

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

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.035;
  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='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(11, 11, 13, 0.82);
  backdrop-filter: var(--blur-chrome);
  -webkit-backdrop-filter: var(--blur-chrome);
  border-color: var(--border-subtle);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.logo__mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: block;
}

.logo__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 0.15rem;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo__line {
  font-size: 1.05rem;
  color: var(--text-primary);
}

.logo__line--accent {
  font-size: 0.92rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
}

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav__cta {
  padding: 0.55rem 1.1rem;
  background: var(--accent-blue);
  color: var(--paper) !important;
  border-radius: 999px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.nav__cta:hover {
  background: var(--blue-600);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  place-items: center;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle.is-open .icon-menu {
  display: none;
}

.menu-toggle.is-open .icon-close {
  display: block;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.card__icon .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.icon-play {
  width: 1.75rem;
  height: 1.75rem;
  margin-left: 0.15rem;
}

.btn--icon {
  padding: 0.65rem;
  min-width: 44px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  padding-bottom: clamp(3rem, 8vw, 5rem);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(8, 8, 10, 0.35) 0%, transparent 35%),
    linear-gradient(to top, rgba(8, 8, 10, 0.95) 0%, rgba(8, 8, 10, 0.4) 45%, transparent 70%),
    linear-gradient(to right, rgba(8, 8, 10, 0.5) 0%, transparent 50%);
}

.hero__bokeh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 280px 180px at 15% 85%, rgba(255, 170, 60, 0.18), transparent),
    radial-gradient(ellipse 220px 160px at 55% 90%, rgba(255, 140, 40, 0.14), transparent),
    radial-gradient(ellipse 200px 140px at 85% 82%, rgba(255, 190, 80, 0.12), transparent);
  filter: blur(2px);
}

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

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  margin-bottom: 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  animation: fadeUp 0.7s ease both;
}

.hero__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 8px var(--green-500);
  animation: pulse 2s ease infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 7.5rem);
  line-height: 0.92;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  max-width: 14ch;
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero__title-line {
  display: block;
}

.hero__title-line--gold {
  color: var(--accent);
  text-shadow: 0 0 80px rgba(244, 196, 48, 0.35);
}

.hero__lead {
  margin-top: 1.5rem;
  max-width: 36rem;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--text-secondary);
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
  animation: fadeUp 0.7s 0.3s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--accent-blue);
  color: var(--paper);
  box-shadow: 0 4px 24px rgba(45, 91, 255, 0.35);
}

.btn--primary:hover {
  background: var(--blue-600);
  transform: translateY(-2px);
}

.btn--ghost {
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  animation: fadeUp 0.7s 0.4s ease both;
}

.stat {
  text-align: left;
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.stat__label {
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Sections */
.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
}

.section--warm {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.section__header {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section__eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3.75rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  max-width: 18ch;
}

.section__desc {
  margin-top: 1rem;
  max-width: 42rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Cards grid */
.grid {
  display: grid;
  gap: 1.25rem;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.card {
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
  background: rgba(244, 196, 48, 0.12);
  color: var(--accent);
}

.card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Video feature */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.feature__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 9 / 16;
  max-height: 640px;
  margin-inline: auto;
  box-shadow: var(--shadow-md);
}

.feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.feature__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.25);
  transition: background var(--transition);
}

.feature__media:hover .feature__play {
  background: rgba(0, 0, 0, 0.4);
}

.feature__play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-blue);
  display: grid;
  place-items: center;
  color: var(--paper);
  box-shadow: 0 8px 32px rgba(45, 91, 255, 0.5);
  transition: transform var(--transition);
}

.feature__media:hover .feature__play-btn {
  transform: scale(1.08);
}

.feature__list {
  list-style: none;
  margin-top: 1.5rem;
}

.feature__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature__list li::before {
  content: '';
  width: 1rem;
  height: 1rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  background: var(--accent);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border-subtle);
}

.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-2rem - 5px);
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(244, 196, 48, 0.5);
}

.timeline__date {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.35rem;
}

.timeline__title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.timeline__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  padding: clamp(3rem, 8vw, 5rem);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  background:
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(244, 196, 48, 0.08), transparent),
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(45, 91, 255, 0.1), transparent),
    var(--ink-800);
  text-align: center;
}

.cta-band__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  max-width: 20ch;
  margin-inline: auto;
}

.cta-band__text {
  margin: 1rem auto 2rem;
  max-width: 32rem;
  color: var(--text-secondary);
}

.cta-band__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

/* Footer */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  align-items: start;
}

.footer__copy {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 1.5rem;
}

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

.footer__links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--text-primary);
}

/* Install prompt */
.install-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: rgba(22, 22, 26, 0.95);
  backdrop-filter: var(--blur-chrome);
  box-shadow: var(--shadow-md);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: calc(100% - 2rem);
}

.install-banner.is-visible {
  transform: translateX(-50%) translateY(0);
}

.install-banner__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.install-banner__text strong {
  color: var(--text-primary);
  display: block;
  font-size: 0.95rem;
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
  }

  .feature__media {
    max-width: 360px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 72px;
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem var(--gutter);
    background: rgba(11, 11, 13, 0.96);
    backdrop-filter: var(--blur-chrome);
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

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

  .nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
  }

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

  .hero__stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}