/* ============================================================
   SOLID INVENT – Coming Soon stylesheet
   public-coming-soon/css/styles.css
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --red:          #D63027;
  --red-dark:     #9B1A15;
  --red-glow:     rgba(214, 48, 39, 0.18);

  --black:        #060606;
  --dark:         #0e0e0e;
  --dark-2:       #141414;
  --dark-card:    #181818;
  --border:       rgba(255, 255, 255, 0.07);
  --border-hover: rgba(214, 48, 39, 0.3);

  --text:         #f0f0f0;
  --text-muted:   rgba(255, 255, 255, 0.38);
  --text-faint:   rgba(255, 255, 255, 0.18);
  --white:        #ffffff;

  --font:         'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --max-w:        1100px;
  --radius:       12px;
  --radius-sm:    8px;
  --transition:   0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Shared ──────────────────────────────────────────────────── */
.accent { color: var(--red); }

/* ── Background effects ──────────────────────────────────────── */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  position: fixed;
  top: -20%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(214,48,39,0.10) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-2 {
  position: fixed;
  bottom: -20%;
  left: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(214,48,39,0.06) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* ── Header ──────────────────────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 6, 6, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* ── Language switcher ──────────────────────────────────────────── */
.lang-switch {
  position: absolute;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 14px;
  transition: background var(--transition), border-color var(--transition);
}

.lang-switch:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.14);
}

.lang-switch__opt {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  transition: color var(--transition);
  cursor: pointer;
  padding: 1px 3px;
  border-radius: 4px;
}

.lang-switch__opt.is-active {
  color: var(--red);
}

.lang-switch__opt:hover:not(.is-active) {
  color: rgba(255, 255, 255, 0.65);
}

.lang-switch__sep {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.15);
  pointer-events: none;
}

/* ── Brand / Logo ─────────────────────────────────────────────── */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
}

.brand__logo {
  height: 92px;
  width: auto;
  display: block;
}

.brand__logo--sm {
  height: 56px;
}

/* ── Button ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 28px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition:
    background   var(--transition),
    transform    var(--transition),
    box-shadow   var(--transition);
  cursor: pointer;
}

.btn:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(214, 48, 39, 0.4);
}

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

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

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: none;
  transform: translateY(-2px);
}

/* ── "In Development" badge ──────────────────────────────────── */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  border: 1px solid rgba(214, 48, 39, 0.25);
  background: rgba(214, 48, 39, 0.07);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 36px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  padding: 200px 0 120px;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.06;
  margin-bottom: 28px;
  color: var(--white);
}

.hero__desc {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.85;
  font-weight: 300;
  margin-bottom: 48px;
}

.hero__cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Divider line ─────────────────────────────────────────────── */
.divider {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border), transparent);
  margin: 0;
}

/* ── Features ────────────────────────────────────────────────── */
.features {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.features__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-align: center;
  margin-bottom: 52px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-card {
  background: var(--dark);
  padding: 20px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background var(--transition);
}

.feature-card:hover {
  background: var(--dark-card);
}

.feature-card__icon {
  width: 40px;
  height: 40px;
  color: var(--red);
}

.feature-card__icon svg {
  width: 100%;
  height: 100%;
}

.feature-card__name {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.3;
}

.feature-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}

/* ── About strip ─────────────────────────────────────────────── */
.about {
  position: relative;
  z-index: 1;
  padding: 100px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
}

.about__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 22px;
}

.about__text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.85;
  font-weight: 300;
}

/* Values */
.about__values {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.value {
  display: grid;
  grid-template-columns: 36px 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 4px;
  padding-left: 0;
}

.value__num {
  grid-row: 1 / 3;
  align-self: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.05em;
}

.value__title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.value__desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  position: relative;
  z-index: 1;
  padding: 36px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.footer__link {
  color: rgba(255,255,255,0.3);
  transition: color var(--transition);
}

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

/* ── Scroll-reveal animations ────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.feature-card { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease, background 0.25s ease; }
.feature-card.visible { opacity: 1; transform: translateY(0); }
.feature-card:nth-child(2) { transition-delay: 0.1s; }
.feature-card:nth-child(3) { transition-delay: 0.2s; }
.feature-card:nth-child(4) { transition-delay: 0.3s; }
.feature-card:nth-child(5) { transition-delay: 0.4s; }
.feature-card:nth-child(6) { transition-delay: 0.5s; }

/* ── Keyframes ───────────────────────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1);    box-shadow: 0 0 0 0 rgba(214,48,39,0.5); }
  50%       { opacity: 0.8; transform: scale(0.9);  box-shadow: 0 0 0 5px rgba(214,48,39,0); }
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 800px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero  { padding: 160px 0 80px; }
  .features { padding: 72px 0; }
  .about { padding: 72px 0; }
  .container { padding: 0 20px; }

  .header__inner {
    justify-content: space-between;
  }

  .lang-switch {
    position: static;
  }

  .brand__logo {
    height: 60px;
  }

  .features__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 32px;
  }

  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}