/* ============================================================
   RUHESTÖRER — Design System
   Dark theme, red accent, editorial precision
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Custom Easing (Emil) ─────────────────────────────────── */
:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);

  /* ── Color Tokens ─────────────────────────────────────── */
  --bg:         #09090B;
  --bg-subtle:  #0F0F12;
  --surface:    #131316;
  --surface2:   #1A1A1F;
  --surface3:   #222228;
  --border:     rgba(255,255,255,0.07);
  --border-mid: rgba(255,255,255,0.12);

  --text-primary:   #F4F4F5;
  --text-secondary: #A1A1AA;
  --text-muted:     #52525B;

  --accent:       #E53935;
  --accent-dim:   rgba(229, 57, 53, 0.15);
  --accent-glow:  rgba(229, 57, 53, 0.25);

  /* ── Typography ───────────────────────────────────────── */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* ── Spacing ──────────────────────────────────────────── */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ── Radii ────────────────────────────────────────────── */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* ── Layout ───────────────────────────────────────────── */
  --container: 1120px;
  --nav-h:     64px;
}

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

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

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* ── Container ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ── Typography Utilities ─────────────────────────────────── */
.display { font-family: var(--font-display); }
.text-accent { color: var(--accent); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 250ms var(--ease-out),
              border-color 250ms var(--ease-out),
              backdrop-filter 250ms var(--ease-out);
}

.nav.scrolled {
  background: rgba(9,9,11,0.85);
  border-color: var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-logo-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-secondary);
  transition: color 150ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover { color: var(--text-primary); }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 3px;
}

.lang-btn {
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-body);
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  transition: background 150ms var(--ease-out),
              color 150ms var(--ease-out);
}

.lang-btn.active {
  background: var(--surface3);
  color: var(--text-primary);
}

@media (hover: hover) and (pointer: fine) {
  .lang-btn:not(.active):hover { color: var(--text-secondary); }
}

/* Mobile nav toggle */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 200ms var(--ease-out), opacity 200ms var(--ease-out);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  transition: transform 100ms var(--ease-out),
              background 150ms var(--ease-out),
              opacity 150ms var(--ease-out),
              box-shadow 150ms var(--ease-out);
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background: #D32F2F;
    box-shadow: 0 0 24px var(--accent-glow);
  }
}

.btn-secondary {
  background: var(--surface2);
  color: var(--text-primary);
  border: 1px solid var(--border-mid);
}

@media (hover: hover) and (pointer: fine) {
  .btn-secondary:hover {
    background: var(--surface3);
    border-color: rgba(255,255,255,0.18);
  }
}

.btn-ghost {
  color: var(--text-secondary);
  padding: 10px 14px;
}

@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover { color: var(--text-primary); }
}

.btn-lg {
  font-size: var(--text-base);
  padding: 14px 28px;
  border-radius: var(--radius-lg);
}

/* ── Section helpers ──────────────────────────────────────── */
.section {
  padding-block: var(--space-32);
}

.section-sm {
  padding-block: var(--space-20);
}

.section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.65;
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin-block: 0;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 200ms var(--ease-out),
              background 200ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    border-color: var(--border-mid);
    background: var(--surface2);
  }
}

/* ── Feature grid ─────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color 200ms var(--ease-out),
              transform 200ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .feature-card:hover {
    border-color: var(--border-mid);
    transform: translateY(-2px);
  }
}

.feature-icon {
  width: 40px; height: 40px;
  background: var(--accent-dim);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.feature-icon svg {
  stroke: var(--accent);
}

.feature-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.feature-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Hero phone mockup ────────────────────────────────────── */
.hero-visual {
  position: relative;
  width: 280px;
  flex-shrink: 0;
}

.phone-frame {
  width: 280px;
  height: 560px;
  background: var(--surface);
  border: 1.5px solid var(--border-mid);
  border-radius: 44px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6),
              0 0 0 1px rgba(255,255,255,0.04) inset;
}

.phone-notch {
  position: absolute;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  width: 90px; height: 28px;
  background: var(--bg);
  border-radius: var(--radius-full);
  z-index: 2;
}

.phone-screen {
  position: absolute;
  inset: 0;
  padding: 60px var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ── Waveform animation ───────────────────────────────────── */
.waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 48px;
}

.wave-bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  animation: wave 1.2s ease-in-out infinite;
  transform-origin: center bottom;
}

@keyframes wave {
  0%, 100% { transform: scaleY(0.2); opacity: 0.4; }
  50%       { transform: scaleY(1);   opacity: 1; }
}

/* ── Noise badge ──────────────────────────────────────────── */
.noise-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--accent-dim);
  border: 1px solid rgba(229,57,53,0.25);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--accent);
}

/* ── Glow effect ──────────────────────────────────────────── */
.glow-red {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(229,57,53,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  padding-block: var(--space-12);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 280px;
  line-height: 1.65;
  margin-top: var(--space-3);
}

.footer-col-title {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: color 150ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .footer-col a:hover { color: var(--text-primary); }
}

.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ── Scroll reveal ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms var(--ease-out),
              transform 400ms var(--ease-out);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Pricing ──────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 720px;
  margin-inline: auto;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
}

.pricing-card.featured {
  border-color: rgba(229,57,53,0.35);
  background: linear-gradient(135deg, var(--surface2) 0%, rgba(229,57,53,0.05) 100%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-tier {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.pricing-price sup {
  font-size: var(--text-lg);
  vertical-align: super;
}

.pricing-cadence {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.pricing-feature-check {
  flex-shrink: 0;
  width: 18px; height: 18px;
  margin-top: 1px;
}

.pricing-feature.included { color: var(--text-primary); }
.pricing-feature.excluded { opacity: 0.4; }

/* ── Steps ────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.67% + 28px);
  right: calc(16.67% + 28px);
  height: 1px;
  background: linear-gradient(90deg, var(--border-mid) 0%, var(--border-mid) 50%, transparent);
  background: var(--border);
}

.step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--surface2);
  border: 1px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-num.accent {
  background: var(--accent-dim);
  border-color: rgba(229,57,53,0.3);
  color: var(--accent);
}

.step-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-item {
  border-top: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: color 150ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .faq-question:hover { color: var(--text-secondary); }
}

.faq-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 250ms var(--ease-out),
              background 150ms var(--ease-out);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent-dim);
  border-color: rgba(229,57,53,0.3);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 250ms var(--ease-out);
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
}

.faq-answer-inner p {
  padding-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Legal pages ──────────────────────────────────────────── */
.legal-content {
  max-width: 720px;
  margin-inline: auto;
}

.legal-content h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.legal-content .updated {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.legal-content p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.legal-content ul {
  list-style: disc;
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.legal-content ul li {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-2);
}

.legal-content a { color: var(--accent); text-decoration: underline; }
.legal-content strong { color: var(--text-primary); font-weight: 600; }

.placeholder-block {
  background: rgba(229,57,53,0.08);
  border: 1px solid rgba(229,57,53,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-block: var(--space-4);
  font-size: var(--text-sm);
  color: var(--accent);
  font-family: monospace;
}

/* ── Page header (inner pages) ───────────────────────────── */
.page-header {
  padding-top: calc(var(--nav-h) + var(--space-16));
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--border);
}

/* ── App Store badge ──────────────────────────────────────── */
.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--text-primary);
  color: var(--bg);
  border-radius: var(--radius-lg);
  padding: 10px 20px;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: opacity 150ms var(--ease-out),
              transform 100ms var(--ease-out);
}

.appstore-badge:active { transform: scale(0.97); }

@media (hover: hover) and (pointer: fine) {
  .appstore-badge:hover { opacity: 0.88; }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  :root { --space-32: 5rem; }
}

/* ── Mobile nav overlay ───────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(9,9,11,0.97);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms var(--ease-out);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--text-secondary);
  transition: color 150ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .mobile-menu a:hover { color: var(--text-primary); }
}