/* ============================================================
   Shh Landing Page — Apple-inspired design
   ============================================================ */

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

:root {
  --white: #fbfbfd;
  --black: #1d1d1f;
  --gray-light: #f5f5f7;
  --gray-mid: #86868b;
  --gray-dark: #424245;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Hiragino Sans", sans-serif;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(251, 251, 253, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

.nav-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 22px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 21px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 12px;
  color: var(--gray-dark);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--black);
}

.lang-toggle {
  display: flex;
  gap: 2px;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 6px;
  padding: 2px;
}

.lang-btn {
  border: none;
  background: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-mid);
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.2s, color 0.2s;
}

.lang-btn.active {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.nav-cta {
  background: var(--blue);
  color: #fff !important;
  padding: 6px 16px;
  border-radius: 980px;
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--blue-hover) !important;
}

/* ---- Hero ---- */
.hero {
  padding: 140px 22px 80px;
  text-align: center;
  background: var(--white);
  overflow: hidden;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
}

.hero-title {
  font-size: 80px;
  font-weight: 700;
  letter-spacing: -3px;
  line-height: 1.05;
  background: linear-gradient(135deg, var(--black) 0%, #434345 50%, var(--blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 32px;
  font-weight: 600;
  color: var(--black);
  margin-top: 12px;
  letter-spacing: -0.5px;
}

.hero-apps {
  font-size: 17px;
  font-weight: 500;
  color: var(--gray-mid);
  margin-top: 14px;
  letter-spacing: -0.2px;
}

.app-fcp {
  background: linear-gradient(135deg, #6e6e73, #424245);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.app-premiere {
  background: linear-gradient(135deg, #9999ff, #00005b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

.hero-desc {
  font-size: 19px;
  color: var(--gray-mid);
  line-height: 1.5;
  margin-top: 16px;
}

.hero-ctas {
  margin-top: 32px;
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background: var(--blue);
  color: #fff;
  border-radius: 980px;
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--blue-hover);
}

.btn-large {
  padding: 16px 36px;
  font-size: 19px;
}

.btn-text {
  font-size: 19px;
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

.btn-text:hover {
  opacity: 0.7;
}

.arrow {
  display: inline-block;
  transition: transform 0.2s;
}

.btn-text:hover .arrow {
  transform: translateY(3px);
}

/* Hero photo */
.hero-image {
  max-width: 960px;
  margin: 60px auto 0;
  position: relative;
}

.hero-photo {
  width: 100%;
  display: block;
  border-radius: 20px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.12),
    0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ---- Sections ---- */
.section {
  padding: 100px 22px;
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

.section-dark .section-eyebrow {
  color: var(--gray-mid);
}

.section-dark .section-body {
  color: #a1a1a6;
}

.section-dark .feature-card p {
  color: #a1a1a6;
}

.section-light {
  background: var(--gray-light);
}

.section-inner {
  max-width: 800px;
  margin: 0 auto;
}

.section-inner.center {
  text-align: center;
}

.section-eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: -0.2px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-body {
  font-size: 19px;
  color: var(--gray-mid);
  line-height: 1.5;
  max-width: 600px;
}

.section-inner.center .section-body {
  margin: 0 auto;
}

.section-image {
  max-width: 840px;
  margin: 48px auto 0;
  border-radius: 16px;
  overflow: hidden;
}

.section-image img {
  width: 100%;
  display: block;
}

.section-image-small {
  max-width: 380px;
}

/* ---- Feature grid ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.06);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray-mid);
}

/* Waveform SVG visual */
.waveform-visual {
  max-width: 840px;
  margin: 48px auto 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 40px 32px;
  overflow: hidden;
}

.waveform-visual svg {
  width: 100%;
  height: auto;
}

/* ---- Export badges ---- */
.export-badges {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.export-badge {
  flex: 1;
  min-width: 200px;
  padding: 24px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.export-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.export-badge-icon {
  margin-bottom: 12px;
}

.export-badge-icon svg {
  display: block;
  margin: 0 auto;
}

.export-badge-label {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 4px;
}

.export-badge-format {
  font-size: 14px;
  color: var(--gray-mid);
  font-family: "SF Mono", ui-monospace, monospace;
}

/* ---- Steps ---- */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  margin-top: 56px;
}

.step {
  flex: 1;
  max-width: 220px;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--white);
}

.step p {
  font-size: 14px;
  line-height: 1.5;
  color: #a1a1a6;
}

.step-arrow {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.2);
  padding-top: 8px;
  flex-shrink: 0;
}

/* ---- Pricing ---- */
.pricing-card {
  max-width: 420px;
  margin: 40px auto 0;
  padding: 48px 40px;
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.pricing-trial {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(0, 113, 227, 0.08);
  color: var(--blue);
  border-radius: 980px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.pricing-amount {
  font-size: 72px;
  font-weight: 700;
  letter-spacing: -3px;
  color: var(--black);
  line-height: 1;
}

.pricing-currency {
  font-size: 40px;
  vertical-align: super;
  font-weight: 600;
  letter-spacing: 0;
}

.pricing-note {
  font-size: 15px;
  color: var(--gray-mid);
  margin-top: 12px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  margin-top: 28px;
  margin-bottom: 32px;
  text-align: left;
}

.pricing-features li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 15px;
  color: var(--gray-dark);
}

.pricing-features li::before {
  content: "\2713";
  color: var(--blue);
  font-weight: 700;
  margin-right: 10px;
}

/* ---- User card ---- */
.user-card {
  max-width: 520px;
  margin: 40px auto 0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 28px;
  text-align: left;
}

.user-link {
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  color: inherit;
}

.user-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.user-channel {
  font-size: 13px;
  color: var(--gray-mid);
  margin-top: 2px;
}

.user-quote {
  font-size: 14px;
  color: #a1a1a6;
  line-height: 1.5;
  margin-top: 8px;
}

/* ---- Specs ---- */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 680px;
  margin: 40px auto 0;
  text-align: left;
}

.spec {
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.spec:nth-child(odd) {
  padding-right: 24px;
}

.spec:nth-child(even) {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.spec dt {
  font-size: 13px;
  color: var(--gray-mid);
  font-weight: 500;
  margin-bottom: 4px;
}

.spec dd {
  font-size: 15px;
  color: var(--white);
  font-weight: 500;
}

/* ---- Footer ---- */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 40px 22px;
  text-align: center;
}

.footer-inner {
  max-width: 980px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-company {
  font-size: 13px;
  color: var(--gray-mid);
  margin-bottom: 4px;
}

.footer-legal {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
}

/* ---- Scroll animations ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 734px) {
  .hero-title {
    font-size: 48px;
    letter-spacing: -2px;
  }

  .hero-subtitle {
    font-size: 24px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .section-title {
    font-size: 32px;
    letter-spacing: -1px;
  }

  .section-body {
    font-size: 16px;
  }

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

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
    padding: 0;
  }

  .export-badges {
    flex-direction: column;
  }

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

  .spec:nth-child(even) {
    padding-left: 0;
    border-left: none;
  }

  .spec:nth-child(odd) {
    padding-right: 0;
  }

  .pricing-card {
    padding: 36px 28px;
  }

  .pricing-amount {
    font-size: 56px;
  }
}