/* ============================================
   KNOCK LANDING PAGE — STYLES
   ============================================ */

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

:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #101018;
  --color-surface: #16161f;
  --color-surface-hover: #1e1e2a;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-light: rgba(255, 255, 255, 0.1);
  --color-text: #f0f0f5;
  --color-text-secondary: #8a8a9a;
  --color-text-muted: #5a5a6a;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-glow: rgba(59, 130, 246, 0.15);
  --color-accent: #818cf8;
  --color-success: #22c55e;
  --color-urgent: #ef4444;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* --- Typography --- */
h1, h2, h3 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }

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

.gradient-text {
  background: linear-gradient(135deg, #3b82f6, #818cf8, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  box-shadow: 0 4px 24px var(--color-primary-glow), 0 0 0 1px rgba(255,255,255,0.05) inset;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(59, 130, 246, 0.3), 0 0 0 1px rgba(255,255,255,0.1) inset;
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

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

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--color-border);
  padding: 12px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-dot {
  color: var(--color-primary);
}

.nav-cta {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 80px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid rgba(59, 130, 246, 0.2);
  margin-bottom: 24px;
}

.hero-content h1 {
  margin-bottom: 24px;
}

.hero-headline {
  display: block;
  height: 4.4em;
  overflow: hidden;
}

.hero-cursor {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 300;
  animation: blink 0.7s step-end infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-subtitle strong {
  color: var(--color-text);
}

.hero-disclaimer {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  opacity: 0.7;
  letter-spacing: 0.02em;
}

/* --- Mockups --- */
.hero-mockups {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 24px;
  min-width: 0;
}

.mockup {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mockup-frame {
  width: 260px;
  height: 520px;
  background: #1a1a24;
  border-radius: 36px;
  border: 2px solid rgba(255,255,255,0.08);
  padding: 12px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.03) inset;
}

.mockup-frame-android {
  border-radius: 28px;
}

.mockup-notch {
  width: 100px;
  height: 28px;
  background: #1a1a24;
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.mockup-camera-android {
  width: 12px;
  height: 12px;
  background: #2a2a34;
  border-radius: 50%;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.mockup-screen {
  width: 100%;
  height: 100%;
  background: #0d0d14;
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.screen-header {
  padding: 36px 16px 12px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.screen-header-android {
  padding-top: 28px;
}

.screen-time {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.screen-title {
  font-size: 0.9rem;
  font-weight: 600;
}

.screen-subtitle {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.screen-messages {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.75rem;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 4px;
  word-wrap: break-word;
  overflow-wrap: break-word;
  min-width: 0;
}

.msg-received {
  background: var(--color-surface);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg-sent {
  background: var(--color-primary-dark);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg-time {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.35);
}

.msg-knock {
  padding: 8px;
}

.knock-card {
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(129,140,248,0.15));
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 12px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.knock-card-icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.knock-card-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.knock-card-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-primary);
}

.knock-card-desc {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.knock-card-badge {
  font-size: 0.55rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
  background: rgba(59, 130, 246, 0.2);
  color: var(--color-primary);
  white-space: nowrap;
}

.knock-urgent {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-urgent);
}

.mockup-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.mockup-android {
  transform: translateY(30px);
}

/* Carousel dots (visible on mobile only) */
.carousel-dots {
  display: none;
  justify-content: center;
  gap: 8px;
  padding-top: 16px;
}

.carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: 0.3s;
}

.carousel-dots .dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   COLLAGE / BENTO SECTION
   ============================================ */
.section-collage {
  padding: 120px 0;
  background: var(--color-bg-alt);
}

.section-headline {
  text-align: center;
  margin-bottom: 60px;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.bento-card {
  grid-column: span 2;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-light);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.bento-featured {
  grid-column: span 2;
}

.bento-accent {
  height: 3px;
  width: 100%;
}

.bento-accent-blue { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.bento-accent-red { background: linear-gradient(90deg, #ef4444, #f87171); }
.bento-accent-purple { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.bento-accent-green { background: linear-gradient(90deg, #22c55e, #4ade80); }

.bento-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bento-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bento-icon-blue { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.bento-icon-red { background: rgba(239, 68, 68, 0.12); color: #f87171; }
.bento-icon-purple { background: rgba(139, 92, 246, 0.12); color: #a78bfa; }
.bento-icon-green { background: rgba(34, 197, 94, 0.12); color: #4ade80; }

.bento-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.bento-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.bento-cta {
  grid-column: span 4;
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(139,92,246,0.06));
  border: 1px solid rgba(59, 130, 246, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.bento-cta-text {
  font-size: 1.35rem;
  font-weight: 700;
}

.bento-cta-accent {
  font-size: 1.35rem;
  font-weight: 700;
  background: linear-gradient(135deg, #3b82f6, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   FEATURE SECTIONS
   ============================================ */
.section-feature {
  padding: 120px 0;
}

.section-feature:nth-child(even) {
  background: var(--color-bg-alt);
}

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

.feature-layout-reverse {
  direction: rtl;
}

.feature-layout-reverse > * {
  direction: ltr;
}

.feature-text h2 {
  margin-bottom: 20px;
}

.feature-lead {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Steps */
.steps-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 48px auto 36px;
  max-width: 800px;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex: 1;
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  line-height: 1.4;
}

.step-arrow {
  color: var(--color-border-light);
  flex-shrink: 0;
  margin: 0 -4px;
  padding-bottom: 28px;
}

/* No-list */
.no-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.no-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255, 77, 79, 0.08);
  border: 1px solid rgba(255, 77, 79, 0.2);
  font-size: 0.85rem;
  font-weight: 600;
  color: #ff6b6b;
  white-space: nowrap;
}

.no-chips-center {
  justify-content: center;
  margin-top: 0;
}

/* PHI badges */
.phi-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.phi-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 100px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.phi-badge svg {
  color: var(--color-primary);
}

/* PHI visual */
.phi-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.phi-demo {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 100%;
  max-width: 380px;
}

.phi-thread {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.phi-msg-preview {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.phi-sender {
  font-weight: 600;
  font-size: 0.9rem;
}

.phi-preview-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.phi-expand {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(129,140,248,0.04));
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-md);
}

.phi-expand span {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.phi-expand strong {
  color: var(--color-text);
}

.phi-lock-icon {
  flex-shrink: 0;
}

/* ============================================
   CONTROL GRID
   ============================================ */
.section-control h2 {
  margin-bottom: 60px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.control-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.control-card:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-light);
  transform: translateY(-4px);
}

.control-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--color-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--color-primary);
}

.control-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.control-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.section-tagline {
  text-align: center;
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

.section-tagline strong {
  color: var(--color-text);
}

/* ============================================
   WORKFLOW TAGS
   ============================================ */
.section-workflows h2 {
  margin-bottom: 24px;
}

.founders-quote-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
}

.workflow-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 48px;
}

.workflow-tag {
  padding: 14px 28px;
  border-radius: 100px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}

.workflow-tag:hover {
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
  color: var(--color-primary);
}

/* ============================================
   FOUNDERS
   ============================================ */
.section-founders {
  background: var(--color-bg) !important;
}

.founders-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.founders-content h2 {
  margin-bottom: 24px;
}

.founders-desc {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.founders-quote {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  display: inline-block;
}

.founders-quote p {
  font-size: 1.2rem;
  line-height: 1.7;
}

.founders-quote em {
  color: var(--color-primary);
}

/* ============================================
   CTA / EARLY ACCESS
   ============================================ */
.section-cta {
  padding: 120px 0;
  background: var(--color-bg-alt);
  position: relative;
}

.section-cta::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.cta-text h2 {
  margin-bottom: 16px;
}

.cta-lead {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.cta-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.05rem;
  text-align: left;
}

.cta-benefits li svg {
  flex-shrink: 0;
  margin-top: 4px;
}

/* Form */
.cta-form-wrap {
  position: relative;
}

.cta-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238a8a9a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   CLOSING
   ============================================ */
.section-closing {
  padding: 120px 0;
  text-align: center;
}

.closing-logo {
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}

.closing-text {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

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

.footer-divider {
  color: var(--color-text-muted);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 0.9rem;
  color: var(--color-text);
  z-index: 9999;
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
  max-width: 90vw;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.toast.toast-error {
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.animate-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .hero-headline {
    height: 3.6em;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
    gap: 60px;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-mockups {
    justify-content: center;
  }

  .feature-layout,
  .feature-layout-reverse {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .feature-layout-reverse {
    direction: ltr;
  }

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

  .cta-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .cta-text {
    text-align: center;
  }

  .cta-benefits {
    align-items: center;
  }
}

@media (max-width: 768px) {
  .hero-headline {
    height: 4.8em;
    font-size: clamp(1.8rem, 4.5vw, 2.5rem);
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .hero-mockups {
    justify-content: center;
  }

  .mockup-android {
    display: none;
  }

  .mockup-frame {
    width: 280px;
    height: 520px;
  }

  .carousel-dots {
    display: none;
  }

  .feature-text h2,
  .section-headline,
  .section-tagline,
  .feature-lead {
    text-align: center;
  }

  .steps-flow {
    flex-wrap: wrap;
    gap: 16px;
  }

  .step-arrow {
    display: none;
  }

  .step-card {
    flex: 0 0 calc(50% - 12px);
  }

  .cta-benefits {
    align-items: flex-start !important;
    padding-left: 20%;
  }

  .screen-header {
    padding: 28px 12px 10px;
  }

  .screen-messages {
    padding: 10px;
    gap: 6px;
  }

  .msg {
    padding: 8px 12px;
    font-size: 0.7rem;
    max-width: 88%;
  }

  .knock-card {
    padding: 8px 10px;
    gap: 6px;
  }

  .knock-card-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
  }

  .knock-card-icon svg {
    width: 12px;
    height: 12px;
  }

  .knock-card-label {
    font-size: 0.6rem;
  }

  .knock-card-desc {
    font-size: 0.65rem;
  }

  .knock-card-badge {
    font-size: 0.5rem;
    padding: 2px 6px;
  }

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

  .bento-card,
  .bento-featured {
    grid-column: span 1;
  }

  .bento-cta {
    grid-column: span 2;
  }

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

  .section-feature {
    padding: 80px 0;
  }

  .section-collage {
    padding: 80px 0;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    height: 6em;
    font-size: clamp(1.4rem, 5vw, 1.8rem);
  }

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

  .bento-card,
  .bento-featured,
  .bento-cta {
    grid-column: span 1;
  }

  .mockup-frame {
    width: 260px;
    height: 500px;
  }

  .cta-form {
    padding: 24px;
  }

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

  .btn {
    padding: 12px 24px;
    font-size: 0.9rem;
  }
}