/* ═══════════════════════════════════════════════════════════════
   SoundStation — airpim.audio marketing site
   Design system: dark #13100C base, #E7A75A amber accent
   Fonts: Hanken Grotesk + IBM Plex Mono
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --bg:          #13100C;
  --bg-1:        #1B1710;
  --bg-2:        #221E14;
  --bg-card:     #1D1912;
  --border:      rgba(255,255,255,0.07);
  --border-soft: rgba(255,255,255,0.04);
  --accent:      #E7A75A;
  --accent-dim:  rgba(231,167,90,0.15);
  --accent-glow: rgba(231,167,90,0.08);
  --text-1:      #F5EFE6;
  --text-2:      #A89C8C;
  --text-3:      #6E6358;
  --mono:        'IBM Plex Mono', 'Courier New', monospace;
  --sans:        'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --r-sm:        6px;
  --r-md:        10px;
  --r-lg:        16px;
  --r-xl:        24px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 48px rgba(231,167,90,0.12);
  --easing:      cubic-bezier(0.4, 0, 0.2, 1);
  --container:   1120px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ── Utilities ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent { color: var(--accent); }

.hidden { display: none !important; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--r-md);
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background 0.18s var(--easing), border-color 0.18s var(--easing),
              opacity 0.18s var(--easing), transform 0.12s var(--easing);
  white-space: nowrap;
}

.btn:active:not(.btn--disabled) { transform: scale(0.97); }

.btn--primary {
  background: var(--accent);
  color: #13100C;
  border-color: var(--accent);
}
.btn--primary:hover { background: #f0b96c; border-color: #f0b96c; }

.btn--ghost {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border);
}
.btn--ghost:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.15); }

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(231,167,90,0.4);
}
.btn--outline:hover { background: var(--accent-dim); border-color: var(--accent); }

.btn--sm { padding: 8px 18px; font-size: 0.875rem; }
.btn--lg { padding: 15px 30px; font-size: 1rem; }

.btn--full { width: 100%; justify-content: center; }

.btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Section header ──────────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.0625rem;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto;
}

/* ── Brand ───────────────────────────────────────────────────── */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-1);
}

.brand-icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-text {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-family: var(--sans);
}

.brand-dot { color: var(--accent); }

/* ── Site header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.25s var(--easing), border-color 0.25s var(--easing);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(19,16,12,0.92);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 68px;
  gap: 32px;
}

.header-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.header-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.15s;
}
.header-nav a:hover { color: var(--text-1); }

.header-cta { margin-left: 8px; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-1);
  margin-left: auto;
}

.hamburger svg { width: 24px; height: 24px; }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  background: rgba(19,16,12,0.98);
}

.mobile-nav a {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}
.mobile-nav a:hover { color: var(--text-1); }
.mobile-nav .btn {
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
}
.hero-glow--1 {
  width: 480px; height: 480px;
  background: rgba(231,167,90,0.08);
  top: 5%; right: 10%;
}
.hero-glow--2 {
  width: 320px; height: 320px;
  background: rgba(231,100,50,0.05);
  bottom: 20%; left: 5%;
}

.hero-rings {
  position: absolute;
  top: 50%; right: -60px;
  transform: translateY(-50%);
  width: 580px; height: 580px;
  opacity: 0.65;
}
.hero-rings svg { width: 100%; height: 100%; }

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto 1fr;
  column-gap: 64px;
  row-gap: 0;
}

.pill-badge {
  grid-column: 1;
  display: inline-flex;
  align-self: start;
  padding: 5px 14px;
  border-radius: 100px;
  background: var(--accent-dim);
  border: 1px solid rgba(231,167,90,0.3);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-headline {
  grid-column: 1;
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-subhead {
  grid-column: 1;
  font-size: 1.125rem;
  color: var(--text-2);
  max-width: 480px;
  margin-bottom: 40px;
  line-height: 1.65;
}

.hero-actions {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-mockup {
  grid-column: 2;
  grid-row: 1 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── App mockup ──────────────────────────────────────────────── */
.mockup-frame {
  width: 100%;
  max-width: 420px;
  background: var(--bg-2);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.mockup-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.mockup-screen { padding: 24px; }

.mockup-player {
  display: grid;
  gap: 20px;
}

.mockup-art {
  display: flex;
  justify-content: center;
}
.mockup-art svg { width: 100px; height: 100px; }

.mockup-meta { text-align: center; }

.mockup-track-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 4px;
}

.mockup-artist {
  font-size: 0.875rem;
  color: var(--text-2);
  margin-bottom: 12px;
}

.mockup-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
}

.mockup-badge {
  font-family: var(--mono);
  font-size: 0.6875rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.mockup-badge.accent {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(231,167,90,0.25);
}

.mockup-controls { display: grid; gap: 12px; }

.mockup-bar-line {
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}

.mockup-bar-fill {
  height: 100%;
  width: 38%;
  background: var(--accent);
  border-radius: 2px;
}

.mockup-btns {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.mockup-btn {
  font-size: 1rem;
  color: var(--text-2);
  cursor: default;
  user-select: none;
}

.mockup-btn--play {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent);
  color: #13100C;
  border-radius: 50%;
  font-size: 0.875rem;
}

/* ── Values ──────────────────────────────────────────────────── */
.values {
  padding: 96px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.value-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
}

.value-card:hover {
  border-color: rgba(231,167,90,0.2);
  background: #201C11;
}

.value-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--r-sm);
  margin-bottom: 20px;
  color: var(--accent);
}
.value-icon svg { width: 22px; height: 22px; }

.value-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-1);
}

.value-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── How it works ────────────────────────────────────────────── */
.how {
  padding: 112px 0;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 40px 1fr 40px 1fr 40px 1fr;
  align-items: start;
  gap: 0;
}

.step {
  display: grid;
  gap: 16px;
}

.step-number {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
}

.step-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-1);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-2);
  transition: border-color 0.2s, color 0.2s;
}
.step:hover .step-icon {
  border-color: rgba(231,167,90,0.35);
  color: var(--accent);
}
.step-icon svg { width: 24px; height: 24px; }

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}

.step-connector {
  display: flex;
  align-items: flex-start;
  padding-top: 56px;
  justify-content: center;
}

.step-connector::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--accent), rgba(231,167,90,0.3));
}

/* ── Demo / video ────────────────────────────────────────────── */
.demo {
  padding: 112px 0;
}

.demo-frame-wrap {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  background: var(--bg-2);
  aspect-ratio: 16 / 10;
}

.demo-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.demo-fullscreen {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  background: rgba(19,16,12,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.demo-fullscreen:hover {
  color: var(--text-1);
  border-color: rgba(255,255,255,0.18);
  background: rgba(19,16,12,0.92);
}

.demo-fullscreen svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Features ────────────────────────────────────────────────── */
.features {
  padding: 112px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.feature-block {
  padding: 40px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: grid;
  grid-template-columns: 52px 1fr;
  column-gap: 24px;
  align-items: start;
  transition: border-color 0.2s;
}

.feature-block:hover { border-color: rgba(231,167,90,0.18); }

.feature-block--wide {
  grid-column: 1 / -1;
  grid-template-columns: 52px 1fr;
}

.feature-block-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--r-sm);
  color: var(--accent);
  flex-shrink: 0;
}
.feature-block-icon svg { width: 22px; height: 22px; }

.feature-block h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 10px;
  line-height: 1.3;
}

.feature-block p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.feature-tags span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(255,255,255,0.04);
  color: var(--text-2);
  border: 1px solid var(--border);
}

/* ── Pro CTA ─────────────────────────────────────────────────── */
.pro-cta {
  padding: 96px 0;
}

.pro-cta-inner {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 64px;
  align-items: center;
  background: linear-gradient(135deg, #1D1912 0%, #211D10 100%);
  border: 1px solid rgba(231,167,90,0.15);
  border-radius: var(--r-xl);
  padding: 60px;
}

.pro-cta-content h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.pro-cta-content p {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 540px;
}

.pro-cta-visual { display: flex; justify-content: center; }
.pro-cta-visual svg { width: 100%; max-width: 200px; }

/* ── Pricing ─────────────────────────────────────────────────── */
.pricing { padding: 112px 0; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  transition: border-color 0.2s;
}

.pricing-card--featured {
  border-color: rgba(231,167,90,0.3);
  background: #1D1910;
  position: relative;
}

.pricing-card--featured::before {
  content: 'Inizia qui';
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #13100C;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card--muted { opacity: 0.7; }
.pricing-card--pro { border-color: rgba(255,255,255,0.1); }

.pricing-card-header { display: grid; gap: 10px; }

.pricing-tier {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pricing-amount { display: flex; align-items: baseline; gap: 2px; }

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-1);
}

.pricing-price--custom { font-size: 1.75rem; }

.pricing-currency {
  font-size: 1.25rem;
  font-weight: 600;
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--text-3);
}

.pricing-features { display: grid; gap: 14px; flex: 1; }

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-2);
}

.pricing-features svg {
  width: 16px; height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

.coming-soon-badge {
  font-size: 0.875rem;
  color: var(--text-3);
  font-family: var(--mono);
}

/* ── Register ────────────────────────────────────────────────── */
.register {
  padding: 112px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
}

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

.register-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.register-content p {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.65;
}

.register-form {
  display: grid;
  gap: 16px;
}

.form-row { display: grid; }

.form-field { display: grid; gap: 6px; }

.form-field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
}

.form-field input {
  background: var(--bg-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--text-1);
  outline: none;
  transition: border-color 0.15s;
}

.form-field input::placeholder { color: var(--text-3); }

.form-field input:focus {
  border-color: rgba(231,167,90,0.5);
  background: #1D1912;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
  line-height: 1.5;
}

.form-note a { color: var(--text-2); text-decoration: underline; text-decoration-color: transparent; }
.form-note a:hover { text-decoration-color: var(--text-2); }

/* ── Register soon ───────────────────────────────────────────── */
.register-soon {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 40px;
  background: var(--bg-2);
  border: 1.5px solid rgba(231,167,90,0.15);
  border-radius: var(--r-xl);
}

.register-soon-icon { align-self: center; }
.register-soon-icon svg { width: 72px; height: 72px; }

.register-soon-title {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  align-self: center;
}

.register-soon-text {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.65;
  text-align: center;
  align-self: center;
  max-width: 360px;
}

.register-soon-text a { color: var(--text-1); text-decoration: underline; text-decoration-color: rgba(255,255,255,0.2); }
.register-soon-text a:hover { text-decoration-color: var(--text-1); }

.register-soon .btn { align-self: center; }

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(100,200,100,0.08);
  border: 1px solid rgba(100,200,100,0.2);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  color: #8ed89e;
}

.form-success svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: #0F0D09;
  border-top: 1px solid var(--border);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  padding-bottom: 48px;
}

.footer-tagline {
  font-family: var(--mono);
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-top: 12px;
}

.footer-nav {
  display: flex;
  gap: 64px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.footer-nav-col a {
  font-size: 0.9rem;
  color: var(--text-3);
  transition: color 0.15s;
}
.footer-nav-col a:hover { color: var(--text-2); }

.footer-bottom {
  padding: 20px 24px;
  border-top: 1px solid var(--border-soft);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-3);
  text-align: center;
}

/* ═══════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════ */

/* ── Tablet (≤ 960px) ────────────────────────────────────────── */
@media (max-width: 960px) {
  .header-nav, .header-cta { display: none; }
  .hamburger { display: flex; }

  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-headline { font-size: clamp(2rem, 6vw, 2.75rem); }

  .hero-rings { width: 380px; height: 380px; right: -100px; }

  .hero-mockup {
    grid-column: 1;
    grid-row: auto;
    margin-top: 40px;
  }

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

  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .step-connector { display: none; }
  .step { grid-template-columns: 52px 1fr; column-gap: 16px; }
  .step-number { grid-column: 1; grid-row: 1; align-self: center; text-align: center; }
  .step-icon   { grid-column: 1; grid-row: 2; }
  .step h3     { grid-column: 2; grid-row: 1; align-self: end; }
  .step p      { grid-column: 2; grid-row: 2; }

  .features-grid { grid-template-columns: 1fr; }
  .feature-block--wide { grid-column: 1; }

  .pro-cta-inner { grid-template-columns: 1fr; }
  .pro-cta-visual { display: none; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }

  .register-inner { grid-template-columns: 1fr; gap: 48px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-nav { gap: 32px; }
}

/* ── Mobile (≤ 640px) ────────────────────────────────────────── */
@media (max-width: 640px) {
  :root { --container: 100%; }

  .container { padding: 0 20px; }

  .hero { padding: 100px 0 60px; min-height: auto; }

  .hero-headline { font-size: clamp(1.75rem, 8vw, 2.25rem); }

  .hero-subhead { font-size: 1rem; }

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

  .hero-rings { display: none; }

  .values { padding: 64px 0; }
  .values-grid { grid-template-columns: 1fr; gap: 2px; }
  .value-card { padding: 28px 22px; }

  .how { padding: 72px 0; }
  .demo { padding: 72px 0; }
  .demo-frame-wrap { aspect-ratio: 4 / 3; }
  .features { padding: 72px 0; }
  .pricing { padding: 72px 0; }
  .register { padding: 72px 0; }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .feature-block--wide { grid-template-columns: 1fr; }
  .feature-block-icon { width: 44px; height: 44px; }

  .pro-cta-inner { padding: 36px 24px; }
  .pro-cta-inner h2 { font-size: 1.375rem; }

  .pricing-card { padding: 32px 24px; }
  .pricing-price { font-size: 2rem; }

  .section-header { margin-bottom: 44px; }
  .section-header h2 { font-size: 1.5rem; }

  .footer-nav { flex-direction: column; gap: 24px; }
  .footer-inner { padding-bottom: 32px; }

  .mobile-nav { display: flex; }
}

/* ── Scroll reveal ───────────────────────────────────────────── */
.fade-enter {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--easing), transform 0.5s var(--easing);
}
.fade-enter.visible {
  opacity: 1;
  transform: none;
}

/* ── Reduced motion ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .fade-enter { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}