:root {
  --bg: #07070a;
  --bg-2: #110b12;
  --ink: #fff7fb;
  --muted: #c8b8c1;
  --soft: #f4d6df;
  --line: rgba(255, 255, 255, 0.14);
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --pink: #ff6f9c;
  --amber: #ffd166;
  --cyan: #8ee7ff;
  --cta: #ff7a9d;
  --cta-2: #ffd166;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(255, 111, 156, 0.14), transparent 34%),
    linear-gradient(240deg, rgba(142, 231, 255, 0.1), transparent 36%),
    linear-gradient(180deg, #07070a 0%, #130914 46%, #07070a 100%);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.16;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--bg);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: min(calc(100% - 1.5rem), var(--max));
  margin: 0 auto;
  padding: 0.85rem 0;
  backdrop-filter: blur(16px);
}

.brand,
.nav-links,
.header-cta,
.primary-cta,
.secondary-link {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  font-weight: 800;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255, 111, 156, 0.28), rgba(142, 231, 255, 0.12));
  color: var(--ink);
  font-size: 0.85rem;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(255, 209, 102, 0.36);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--soft);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: calc(100svh - 4.5rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 4rem 0 2.2rem;
  background:
    linear-gradient(180deg, rgba(7, 7, 10, 0.04), rgba(7, 7, 10, 0.92)),
    linear-gradient(110deg, rgba(255, 111, 156, 0.22), transparent 44%),
    linear-gradient(260deg, rgba(255, 209, 102, 0.12), transparent 38%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 100%);
  background-size: 92px 92px;
  opacity: 0.22;
}

.hero::after {
  content: "SmoothTwinkVibes";
  position: absolute;
  right: 1rem;
  top: 7rem;
  color: rgba(255, 255, 255, 0.055);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 6rem;
  line-height: 0.85;
  writing-mode: vertical-rl;
  pointer-events: none;
}

.hero-inner,
.section,
.cta-banner,
.final-cta,
.site-footer {
  width: min(calc(100% - 1.5rem), var(--max));
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin-left: max(0.75rem, calc((100vw - var(--max)) / 2));
  margin-right: auto;
}

.trust-line,
.section-kicker,
.cta-microcopy {
  margin: 0;
  color: var(--soft);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 0.35rem;
  font-size: 3.45rem;
  line-height: 0.92;
}

.hero-headline {
  max-width: 760px;
  margin-bottom: 1rem;
  color: var(--ink);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 2.7rem;
  line-height: 0.95;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 1.35rem;
  color: var(--soft);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.65rem;
  padding: 1rem 1.35rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cta), var(--cta-2));
  color: #17070d;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 18px 54px rgba(255, 111, 156, 0.34);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.primary-cta:hover,
.primary-cta:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-1px);
  filter: saturate(1.08);
}

.primary-cta:focus-visible,
.secondary-link:focus-visible,
.header-cta:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(142, 231, 255, 0.9);
  outline-offset: 3px;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 3.2rem;
  color: var(--ink);
  font-weight: 800;
}

.creator-signal {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.4rem;
  width: min(calc(100% - 1.5rem), 440px);
  margin: 2.5rem auto 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.signal-name {
  color: var(--ink);
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 1.8rem;
}

.signal-line {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 4rem 0 0;
}

.section-intro {
  display: grid;
  gap: 0.55rem;
  max-width: 720px;
  margin-bottom: 1.3rem;
}

.section-intro h2,
.cta-banner h2,
.final-cta h2 {
  margin-bottom: 0;
  font-size: 2.25rem;
  line-height: 1;
}

.vibe-grid,
.follow-grid {
  display: grid;
  gap: 0.8rem;
}

.vibe-item,
.follow-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.22);
}

.vibe-item,
.follow-card {
  padding: 1.15rem;
}

.vibe-item h3,
.follow-card h3 {
  margin-bottom: 0.45rem;
  font-size: 1.15rem;
  line-height: 1.15;
}

.vibe-item p,
.follow-card p,
.clarity-list,
.faq-list p,
.cta-banner p,
.final-cta p {
  color: var(--muted);
}

.vibe-item p,
.follow-card p,
.faq-list p {
  margin-bottom: 0;
}

.card-number {
  display: inline-flex;
  margin-bottom: 1.4rem;
  color: var(--cyan);
  font-weight: 900;
}

.cta-banner,
.final-cta {
  display: grid;
  gap: 1.1rem;
  margin-top: 4rem;
  padding: 1.25rem;
  border: 1px solid rgba(255, 209, 102, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(120deg, rgba(255, 111, 156, 0.22), rgba(255, 209, 102, 0.12)),
    rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow);
}

.clarity-list {
  display: grid;
  gap: 0.7rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.clarity-list li {
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--cyan);
  background: var(--panel);
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-list details {
  padding: 1rem;
}

.faq-list summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--amber);
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  padding-top: 0.8rem;
}

.final-cta {
  text-align: left;
}

.site-footer {
  display: grid;
  gap: 0.35rem;
  padding: 2.5rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 700px) {
  .site-header,
  .hero-inner,
  .section,
  .cta-banner,
  .final-cta,
  .site-footer {
    width: min(calc(100% - 3rem), var(--max));
  }

  .nav-links {
    display: inline-flex;
  }

  .hero {
    min-height: calc(100svh - 4rem);
    padding-top: 5rem;
  }

  h1 {
    font-size: 5rem;
  }

  .hero-headline {
    font-size: 3.7rem;
  }

  .hero-copy {
    font-size: 1.18rem;
  }

  .creator-signal {
    margin-left: max(1.5rem, calc((100vw - var(--max)) / 2));
    margin-right: auto;
  }

  .vibe-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .follow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cta-banner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .final-cta {
    align-items: start;
  }

}

@media (min-width: 1100px) {
  h1 {
    font-size: 6rem;
  }

  .hero-headline {
    font-size: 4.4rem;
  }

  .section-intro h2,
  .cta-banner h2,
  .final-cta h2 {
    font-size: 3rem;
  }

  .hero::after {
    right: calc((100vw - var(--max)) / 2);
    font-size: 8rem;
  }
}

@media (max-width: 430px) {
  .brand span:last-child {
    max-width: 11rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  h1 {
    font-size: 3.05rem;
  }

  .hero-headline {
    font-size: 2.55rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .primary-cta,
  .secondary-link {
    width: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}