/* ═══════════════════════════════════════════════
   SONNAR — Premium Design System v3.0
   Brand Identity: Negro #000 + Gris #F8F8F8 + Blanco #FFF
   Tipografía: Inter
   ═══════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --black: #000000;
  --bg: #F8F8F8;
  --bg-soft: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.92);
  --text: #000000;
  --text-secondary: #444444;
  --muted: #6B6B6B;
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.18);
  --accent: #000000;
  --accent-soft: rgba(0, 0, 0, 0.06);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.1);
  --radius: 24px;
  --radius-sm: 16px;
  --radius-xs: 12px;
  --max-width: 1200px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── 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 {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

ul {
  list-style: none;
}

/* ── Ambient Background ── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 0, 0, 0.03), transparent),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(0, 0, 0, 0.015), transparent);
  pointer-events: none;
}

/* ── Grid Overlay ── */
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.018) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

/* ── Layout ── */
.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 120px 0;
  position: relative;
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ═══════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(248, 248, 248, 0.88);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(248, 248, 248, 0.95);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-logo {
  height: 56px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
}

.brand-logo-footer {
  height: 64px;
  max-width: 260px;
}

.nav-links {
  display: flex;
  gap: 32px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a {
  position: relative;
  transition: color var(--transition-fast);
  padding: 4px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1.5px;
  background: var(--black);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* ── Buttons ── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1.5px solid var(--black);
  background: var(--black);
  color: #fff;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

.button-secondary {
  background: transparent;
  color: var(--black);
  border-color: var(--border-hover);
}

.button-secondary:hover {
  border-color: var(--black);
  background: rgba(0, 0, 0, 0.03);
  box-shadow: none;
}

.button-small {
  padding: 10px 20px;
  font-size: 0.88rem;
}

.full {
  width: 100%;
}

/* ── Typography ── */
.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
  font-weight: 700;
  color: var(--black);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  font-weight: 700;
  color: var(--black);
}

h3 {
  font-size: 1.2rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--text);
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
}

.lead {
  max-width: 56ch;
  font-size: 1.15rem;
  color: var(--text-secondary);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-heading.compact h2 {
  max-width: 18ch;
}

.section-heading p {
  max-width: 56ch;
}

/* ═══════════════════════════════════════════════
   HERO SLIDER
   ═══════════════════════════════════════════════ */
.hero-slider {
  position: relative;
  overflow: hidden;
  background: var(--black);
  color: #fff;
}

.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(0) scale(0); opacity: 0; }
  10% { opacity: 0.4; transform: translateY(-10vh) scale(1); }
  90% { opacity: 0.1; }
  100% { transform: translateY(-100vh) scale(0.5); opacity: 0; }
}

.slider-track {
  position: relative;
  min-height: max(80vh, 600px);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  z-index: 1;
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.slide-primary {
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(255, 255, 255, 0.06), transparent),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.04), transparent),
    #050505;
}

.slide-secondary {
  background:
    radial-gradient(ellipse 50% 60% at 70% 50%, rgba(255, 255, 255, 0.05), transparent),
    #0A0A0A;
}

.slide-content {
  min-height: max(80vh, 600px);
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
}

.slide-layout {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.slide .eyebrow {
  color: rgba(255, 255, 255, 0.5);
}

.slide h1, .slide h2 {
  color: #fff;
  max-width: 13ch;
}

.slide p, .slide .lead {
  color: rgba(255, 255, 255, 0.65);
}

.slide .button {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.slide .button:hover {
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.15);
}

.slide .button-secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.slide .button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.slide-copy h1,
.slide-copy h2 {
  max-width: 13ch;
}

.slide-visual-card {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.slide-visual {
  width: 100%;
  max-width: 680px;
  height: auto;
  border-radius: 20px;
  position: relative;
  z-index: 1;
}

/* Slide 2 inline panel — override .card white bg */
.slide-inline-panel.card {
  width: 100%;
  max-width: 560px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  z-index: 1;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  color: #fff;
}

.slide-inline-panel.card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.15);
  transform: none;
}

.inline-panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.inline-pill {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
}

.inline-muted {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.9rem;
}

.inline-list {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
}

.inline-list article {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #fff;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.inline-list article:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
}

.inline-list article span {
  color: rgba(255, 255, 255, 0.7);
}

.inline-list article strong {
  color: #fff;
  font-size: 0.9rem;
}

.inline-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.inline-metrics div {
  padding: 18px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.inline-metrics span {
  display: block;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.inline-metrics strong {
  color: #fff;
  font-size: 1.6rem;
  letter-spacing: -0.04em;
}

/* Slider dots with progress bar */
.slider-controls {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 40px;
  height: 4px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
  position: relative;
}

.slider-dot.is-active {
  background: rgba(255, 255, 255, 0.25);
}

.slider-dot.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: #fff;
  border-radius: inherit;
  animation: slider-progress 5s linear forwards;
}

@keyframes slider-progress {
  from { width: 0; }
  to { width: 100%; }
}

/* ═══════════════════════════════════════════════
   HERO SECTION (below slider)
   ═══════════════════════════════════════════════ */
.hero {
  padding-top: 80px;
  padding-bottom: 80px;
  min-height: auto;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 28px;
}

.hero-points {
  display: grid;
  gap: 14px;
}

.hero-points li {
  color: var(--text-secondary);
  padding-left: 28px;
  position: relative;
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--black);
}

/* ── Card System ── */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  box-shadow: var(--shadow);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
}

.hero-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.panel-header {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.panel-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.panel-dot:first-child { background: rgba(255, 95, 87, 0.7); }
.panel-dot:nth-child(2) { background: rgba(255, 189, 46, 0.7); }
.panel-dot:nth-child(3) { background: rgba(39, 201, 63, 0.7); }

.signal-block {
  padding: 26px;
  border-radius: var(--radius-sm);
  background: var(--black);
  color: #fff;
}

.signal-block p,
.signal-label {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.signal-block strong {
  display: block;
  margin: 10px 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.05em;
  color: #fff;
}

.insight-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.insight-list article {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.insight-list article:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.insight-list article span {
  color: var(--text-secondary);
}

.insight-list article strong {
  color: var(--black);
  font-weight: 700;
}

/* ═══════════════════════════════════════════════
   PROBLEM SECTION
   ═══════════════════════════════════════════════ */
.section.muted {
  background: var(--bg-soft);
  position: relative;
}

.section.muted::before,
.section.muted::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.section.muted::before { top: 0; }
.section.muted::after { bottom: 0; }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.problem-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--black);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.problem-card:hover::before {
  transform: scaleX(1);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ═══════════════════════════════════════════════
   STEPS (How it works)
   ═══════════════════════════════════════════════ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.step {
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}

.step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--black);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 800;
}

/* ═══════════════════════════════════════════════
   BENEFITS & METRICS
   ═══════════════════════════════════════════════ */
.benefits-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  align-items: start;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.metric {
  padding: 28px;
  min-height: 170px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.metric:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.metric strong {
  display: block;
  margin-bottom: 12px;
  font-size: 2.2rem;
  letter-spacing: -0.05em;
  color: var(--black);
}

.metric span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px;
  min-height: 180px;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.04), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.feature-card:hover::after {
  opacity: 1;
}

/* ═══════════════════════════════════════════════
   AUDIENCE
   ═══════════════════════════════════════════════ */
.audience-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
  align-items: start;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.audience-card {
  padding: 28px;
  min-height: 160px;
  background: var(--bg);
}

.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* ═══════════════════════════════════════════════
   PRICING
   ═══════════════════════════════════════════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pricing-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-tag {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.pricing-card ul {
  padding-left: 20px;
  list-style: disc;
  color: var(--muted);
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-card ul li {
  margin-bottom: 8px;
  font-size: 0.93rem;
}

.price {
  margin: 8px 0 20px;
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  color: var(--black);
}

.price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
  margin-left: 4px;
}

.pricing-card.featured {
  background: var(--black);
  color: #fff;
  border-color: rgba(0, 0, 0, 0.2);
}

.pricing-card.featured::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: #fff;
}

.pricing-card.featured p,
.pricing-card.featured li {
  color: rgba(255, 255, 255, 0.7);
}

.pricing-card.featured .pricing-tag {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
}

.pricing-card.featured .price {
  color: #fff;
}

.pricing-card.featured .price span {
  color: rgba(255, 255, 255, 0.5);
}

.pricing-card.featured .button {
  background: #fff;
  color: #000;
  border-color: #fff;
}

.pricing-card.featured:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

/* ═══════════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════════ */
.cta-section {
  padding-bottom: 120px;
}

.cta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
}

.cta-form {
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.cta-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.cta-form input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg);
  padding: 14px 18px;
  font: inherit;
  color: var(--text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-form input::placeholder {
  color: var(--muted);
}

.cta-form input:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.form-note {
  margin: 0;
  font-size: 0.88rem;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.site-footer {
  padding: 40px 0 64px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links a {
  transition: color var(--transition-fast);
}

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

/* ═══════════════════════════════════════════════
   COOKIE BANNER & LEGAL MODAL
   ═══════════════════════════════════════════════ */
.cookie-banner[hidden],
.legal-modal[hidden] {
  display: none !important;
}

.cookie-banner {
  position: fixed;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 40;
}

.cookie-banner__inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 20px 24px;
}

.cookie-banner__inner p {
  margin-bottom: 0;
}

.cookie-banner__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-btn {
  min-width: 160px;
}

.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.legal-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.legal-modal__dialog {
  position: relative;
  width: min(720px, calc(100% - 32px));
  max-height: calc(100vh - 64px);
  overflow: auto;
  margin: 32px auto;
  padding: 36px;
  background: #fff;
}

.legal-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  border: 0;
  background: transparent;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
  transition: color var(--transition-fast);
}

.legal-modal__close:hover {
  color: var(--black);
}

.legal-modal__content p:last-child {
  margin-bottom: 0;
}

.legal-modal__content a {
  color: var(--black);
  text-decoration: underline;
}

/* ═══════════════════════════════════════════════
   NUMBER COUNTER
   ═══════════════════════════════════════════════ */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════
   SOCIAL PROOF
   ═══════════════════════════════════════════════ */
.social-proof-section {
  padding: 80px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Logo bar */
.logo-bar {
  text-align: center;
  margin-bottom: 48px;
}

.logo-bar-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 28px;
}

.logo-bar-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 36px;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  opacity: 0.25;
  transition: opacity var(--transition);
  white-space: nowrap;
}

.logo-text:hover {
  opacity: 0.55;
}

/* Trust stats */
.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.trust-stat {
  text-align: center;
  padding: 28px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
  transition: border-color var(--transition), transform var(--transition);
}

.trust-stat:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.trust-stat strong {
  display: block;
  font-size: 2.6rem;
  letter-spacing: -0.05em;
  color: var(--black);
  margin-bottom: 8px;
  line-height: 1;
}

.trust-star {
  color: #F5A623;
  font-size: 2rem;
  margin-left: 2px;
}

.trust-stat > span {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100%;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.testimonial-card blockquote {
  flex-grow: 1;
}

.testimonial-card blockquote p {
  font-size: 0.97rem;
  line-height: 1.65;
  color: var(--text-secondary);
  font-style: italic;
  position: relative;
}

.testimonial-card blockquote p::before {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  background: var(--black);
  margin-bottom: 16px;
  border-radius: 2px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--black);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.93rem;
  color: var(--text);
}

.testimonial-author span {
  font-size: 0.82rem;
  color: var(--muted);
}


/* ═══════════════════════════════════════════════
   HAMBURGER MENU BUTTON
   ═══════════════════════════════════════════════ */
.menu-toggle {
  display: none;
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  position: relative;
  z-index: 52;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.menu-toggle span:nth-child(1) { top: 10px; }
.menu-toggle span:nth-child(2) { top: 17px; }
.menu-toggle span:nth-child(3) { top: 24px; }

.menu-toggle.is-active span:nth-child(1) {
  top: 17px;
  transform: translateX(-50%) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
}

.menu-toggle.is-active span:nth-child(3) {
  top: 17px;
  transform: translateX(-50%) rotate(-45deg);
}

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 29;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .hero-grid,
  .benefits-layout,
  .audience-layout,
  .footer-layout,
  .cta-card,
  .slide-layout {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .metrics-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero {
    min-height: auto;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .slide-copy h1,
  .slide-copy h2 {
    max-width: none;
  }
}

@media (max-width: 780px) {
  .section {
    padding: 72px 0;
  }

  .container {
    width: calc(100% - 32px);
  }

  /* ── Mobile hamburger ── */
  .menu-toggle {
    display: block;
  }

  .nav {
    flex-wrap: nowrap;
    justify-content: space-between;
    padding: 10px 0;
    min-height: 60px;
  }

  .nav .button.button-small {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: var(--bg-soft);
    flex-direction: column;
    gap: 0;
    padding: 80px 32px 32px;
    z-index: 50;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.08);
    overflow-y: auto;
    font-size: 1.05rem;
  }

  .nav-links.is-open {
    transform: translateX(0);
  }

  .nav-links a {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 500;
  }

  .nav-links a::after {
    display: none;
  }

  .mobile-overlay {
    display: block;
  }

  /* ── Mobile nav CTA ── */
  .nav-links .mobile-nav-cta {
    display: inline-flex;
    margin-top: 24px;
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 16px 20px;
    font-weight: 600;
    border-bottom: none;
    background: var(--black);
    color: #fff;
    border-radius: 999px;
  }

  /* ── Social proof mobile ── */
  .trust-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .trust-stat strong {
    font-size: 2rem;
  }

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

  .logo-bar-track {
    gap: 20px;
  }

  .logo-text {
    font-size: 0.95rem;
  }

  .social-proof-section {
    padding: 56px 0;
  }

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

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-secondary {
    width: 100%;
  }

  .hero-card,
  .cta-card,
  .legal-modal__dialog {
    padding: 20px;
  }

  .signal-block {
    padding: 20px;
  }

  .brand-logo {
    height: 40px;
    max-width: 160px;
  }

  .brand-logo-footer {
    height: 48px;
    max-width: 180px;
  }

  /* ── Hero slider mobile fix ── */
  .slider-track {
    min-height: auto;
  }

  .slide {
    position: relative;
    display: none;
  }

  .slide.is-active {
    display: flex;
  }

  .slide-content {
    min-height: auto;
    padding: 100px 0 72px;
  }

  .slide-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .slide-visual-card {
    display: none;
  }

  .slide-copy h1 {
    font-size: clamp(2rem, 8vw, 3rem);
    line-height: 1.05;
    max-width: none;
  }

  .slide-copy h2 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
    line-height: 1.08;
    max-width: none;
  }

  .lead {
    font-size: 1rem;
  }

  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .cookie-banner__inner {
    grid-template-columns: 1fr;
    padding: 16px 18px;
  }

  .cookie-btn {
    min-width: 0;
    width: 100%;
  }

  .cta-card {
    gap: 24px;
  }

  h1 {
    max-width: none;
  }

  h2 {
    font-size: clamp(1.6rem, 5vw, 2.4rem);
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .footer-layout {
    gap: 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 14px;
  }

  .slider-controls {
    position: relative;
    left: auto;
    bottom: auto;
    transform: none;
    padding: 20px 0 28px;
    background: var(--black);
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    width: calc(100% - 24px);
  }

  .section {
    padding: 56px 0;
  }

  .slide-content {
    padding: 88px 0 48px;
  }

  .inline-metrics {
    grid-template-columns: 1fr;
  }

  .problem-card,
  .step,
  .feature-card,
  .audience-card,
  .metric,
  .pricing-card {
    padding: 22px;
  }

  .metric strong {
    font-size: 1.8rem;
  }

  .price {
    font-size: 2.2rem;
  }

  .cta-card {
    padding: 18px;
  }

  h1 {
    font-size: clamp(1.8rem, 7.5vw, 2.6rem);
  }

  .eyebrow {
    font-size: 0.68rem;
    margin-bottom: 12px;
  }
}