/* ── Variables ─────────────────────────────────────────── */
:root {
  --color-bg: #000000;
  --color-surface: #0a0a0a;
  --color-border: #1a1a1a;
  --color-grey: #7a7a7a;
  --color-grey-light: #a0a0a0;
  --color-white: #e8e8e8;
  --color-accent: #ffffff;
  --header-bg: rgba(255, 255, 255, 0.97);
  --header-border: #e0e0e0;
  --header-text: #333333;
  --header-text-hover: #000000;
  --font: 'Montserrat', system-ui, sans-serif;
  --header-height: 110px;
  --logo-height: 88px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --radius: 4px;
  --transition: 0.25s ease;
}

/* ── Reset & Base ──────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-grey);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Header ────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

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

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

.nav__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav__logo img {
  height: var(--logo-height);
  width: auto;
}

.nav__links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav__links a {
  color: var(--header-text);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--header-text);
  transition: var(--transition);
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  align-items: center;
  padding-block: var(--spacing-lg);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}

.hero__glow--1 {
  width: 500px;
  height: 500px;
  top: 10%;
  right: -10%;
  background: radial-gradient(circle, rgba(122, 122, 122, 0.12) 0%, transparent 70%);
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  bottom: 5%;
  left: -5%;
  background: radial-gradient(circle, rgba(122, 122, 122, 0.08) 0%, transparent 70%);
}

.hero__content {
  position: relative;
}

/* ── Slider ────────────────────────────────────────────── */
.slider {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.slider__track {
  position: relative;
  width: 100%;
  height: 100%;
}

.slider__slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.slider__slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

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

.slider__dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.slider__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.slider__dot.is-active {
  background: var(--color-white);
  transform: scale(1.25);
}

.slider__dot:hover {
  background: rgba(255, 255, 255, 0.7);
}

.badge {
  display: inline-block;
  padding: 0.4em 1.2em;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-grey-light);
  border: 1px solid var(--color-grey);
  border-radius: 100px;
  margin-bottom: var(--spacing-md);
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.hero__accent {
  color: var(--color-grey-light);
}

.hero__tagline {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: lowercase;
  color: var(--color-grey);
  margin-bottom: var(--spacing-md);
}

.hero__text {
  max-width: 540px;
  font-size: 1.05rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85em 2em;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-bg);
  border-color: var(--color-white);
}

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

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

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

/* ── Sections ──────────────────────────────────────────── */
.section {
  padding-block: var(--spacing-xl);
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  text-align: center;
  margin-bottom: var(--spacing-xs);
}

.section__subtitle {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--spacing-lg);
  font-weight: 300;
}

/* ── Grid ──────────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

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

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ── Cards ─────────────────────────────────────────────── */
.categories {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.card {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--color-grey);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-grey-light);
  margin-bottom: var(--spacing-sm);
}

.card__title {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.card__text {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.6;
}

/* ── Features ──────────────────────────────────────────── */
.feature {
  padding: var(--spacing-md) 0;
}

.feature__number {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-grey);
  margin-bottom: var(--spacing-sm);
}

.feature__title {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.feature__text {
  font-size: 0.9rem;
  font-weight: 300;
}

/* ── Stats ─────────────────────────────────────────────── */
.stats {
  padding-block: var(--spacing-lg);
  border-block: 1px solid var(--color-border);
}

.stats__inner {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.stat {
  text-align: center;
}

.stat__value {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-white);
}

.stat__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ── Newsletter ──────────────────────────────────────────── */
.newsletter__inner {
  text-align: center;
}

.newsletter__content {
  margin-bottom: var(--spacing-md);
}

.newsletter__form {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--spacing-sm);
}

.newsletter__form input {
  flex: 1 1 240px;
  padding: 0.85em 1.2em;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-white);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition);
}

.newsletter__form input::placeholder {
  color: var(--color-grey);
}

.newsletter__form input:focus {
  border-color: var(--color-grey);
}

.newsletter__hint {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-grey);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding-block: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
}

.footer__logo {
  opacity: 0.7;
}

.footer__tagline {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.35em;
  text-transform: lowercase;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer__copy {
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--color-grey);
  margin-top: var(--spacing-sm);
}

/* ── Legal Pages ───────────────────────────────────────── */
.legal {
  padding-top: calc(var(--header-height) + var(--spacing-lg));
  padding-bottom: var(--spacing-xl);
}

.legal__content {
  max-width: 760px;
}

.legal__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.legal__section {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.legal__section:last-of-type {
  border-bottom: none;
}

.legal__section h2 {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.legal__section h3 {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-grey-light);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.legal__section p {
  font-size: 0.9rem;
  font-weight: 300;
  margin-bottom: var(--spacing-sm);
}

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

.legal__section a {
  color: var(--color-grey-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal__section a:hover {
  color: var(--color-white);
}

.legal__list {
  list-style: none;
  margin-bottom: var(--spacing-sm);
}

.legal__list li {
  font-size: 0.85rem;
  font-weight: 300;
  margin-bottom: var(--spacing-xs);
  word-break: break-word;
}

.legal__updated {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-grey);
  margin-top: var(--spacing-md);
}

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --header-height: 80px;
    --logo-height: 64px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    padding-block: var(--spacing-md);
  }

  .slider {
    order: -1;
    max-height: 50vh;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}