/* ============================================================
   ESCOLA DE IA PARA T&D — Premium Tech Design System
   ============================================================ */

/* ---- CSS CUSTOM PROPERTIES ---- */
:root {
  /* Colors */
  --color-bg:          #07070f;
  --color-bg-2:        #0a0a14;
  --color-bg-3:        #0d0d1a;
  --color-surface:     #111125;
  --color-surface-2:   #161630;
  --color-border:      rgba(120, 80, 255, 0.15);
  --color-border-2:    rgba(80, 120, 255, 0.12);

  /* Brand */
  --purple:            #7c3aed;
  --purple-light:      #a78bfa;
  --purple-dark:       #5b21b6;
  --blue:              #3b82f6;
  --blue-light:        #93c5fd;
  --blue-dark:         #1d4ed8;
  --teal:              #06b6d4;
  --pink:              #ec4899;

  /* Gradients */
  --grad-primary:      linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
  --grad-text:         linear-gradient(135deg, #a78bfa 0%, #60a5fa 60%, #06b6d4 100%);
  --grad-card:         linear-gradient(135deg, rgba(124,58,237,0.08) 0%, rgba(59,130,246,0.05) 100%);
  --grad-glow:         linear-gradient(135deg, rgba(124,58,237,0.4) 0%, rgba(59,130,246,0.4) 100%);

  /* Typography */
  --font-body:         'Inter', system-ui, sans-serif;
  --font-heading:      'Space Grotesk', 'Inter', system-ui, sans-serif;

  /* Spacing */
  --section-pad:       clamp(64px, 8vw, 120px);
  --container-max:     1200px;
  --container-pad:     clamp(16px, 4vw, 32px);

  /* Effects */
  --radius-sm:         8px;
  --radius-md:         14px;
  --radius-lg:         20px;
  --radius-xl:         32px;
  --radius-full:       9999px;

  --shadow-glow-purple: 0 0 30px rgba(124,58,237,0.35), 0 0 60px rgba(124,58,237,0.15);
  --shadow-glow-blue:   0 0 30px rgba(59,130,246,0.35), 0 0 60px rgba(59,130,246,0.15);
  --shadow-card:        0 4px 24px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);

  --transition-fast:   150ms ease;
  --transition-med:    300ms cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   600ms cubic-bezier(0.4,0,0.2,1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: #e2e0f0;
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ---- LAYOUT ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--purple-light);
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #f0eeff;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.section-subtitle {
  margin-top: 16px;
  font-size: 1.05rem;
  color: #9d96c8;
  max-width: 580px;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-header .section-subtitle {
  margin: 16px auto 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  transition: var(--transition-med);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
  background: rgba(255,255,255,0.08);
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,58,237,0.5), 0 2px 8px rgba(59,130,246,0.3);
}

.btn-outline-sm {
  background: transparent;
  color: var(--purple-light);
  border: 1px solid rgba(124,58,237,0.4);
  font-size: 0.9rem;
  padding: 10px 20px;
}

.btn-outline-sm:hover {
  background: rgba(124,58,237,0.1);
  border-color: var(--purple-light);
  transform: translateY(-1px);
}

.btn-lg {
  font-size: 1.08rem;
  padding: 16px 36px;
}

.btn-glow {
  box-shadow: 0 0 20px rgba(124,58,237,0.4), 0 4px 16px rgba(59,130,246,0.2);
}

.btn-glow:hover {
  box-shadow: 0 0 40px rgba(124,58,237,0.6), 0 8px 32px rgba(59,130,246,0.35);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(124,58,237,0.4), 0 4px 16px rgba(59,130,246,0.2); }
  50% { box-shadow: 0 0 50px rgba(124,58,237,0.7), 0 8px 32px rgba(59,130,246,0.45); }
}

.pulse-btn {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 16px 0;
  transition: var(--transition-med);
}

.navbar.scrolled {
  background: rgba(7, 7, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: #f0eeff;
}

.logo-icon {
  width: 38px; height: 38px;
  background: var(--grad-primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}

.logo-accent { color: var(--purple-light); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 24px);
  flex-shrink: 0;
}

.nav-entrar {
  gap: 8px;
  font-size: 0.88rem;
  padding: 9px 18px;
}

/* Engage logo in navbar */
.nav-engage {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-powered {
  font-size: 0.68rem;
  font-weight: 500;
  color: #4a4470;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.engage-logo-img {
  height: 22px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.65;
  transition: opacity var(--transition-fast);
}

.engage-logo-img:hover { opacity: 0.9; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 110px 0 60px;
  overflow: hidden;
}

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

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.5;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orb-float 10s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: -100px; left: -100px;
  animation-duration: 12s;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  top: 20%; right: -80px;
  animation-duration: 8s;
  animation-delay: -3s;
  opacity: 0.15;
}

.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #06b6d4, transparent 70%);
  bottom: 0; left: 30%;
  animation-duration: 15s;
  animation-delay: -7s;
  opacity: 0.1;
}

@keyframes orb-float {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, 40px) scale(1.08); }
}

.hero > .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
  justify-items: center;
  padding: 0 8px;
}

/* Hero Copy — centered within its column */
.hero-copy {
  max-width: 560px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-self: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--purple-light);
  margin-bottom: 28px;
  align-self: flex-start;
}

.badge-dot {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 8px #4ade80;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { box-shadow: 0 0 4px #4ade80, 0 0 8px #4ade80; }
  50% { box-shadow: 0 0 8px #4ade80, 0 0 20px #4ade80; }
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #f5f0ff;
  margin-bottom: 20px;
}

.hero-subheadline {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: #9d96c8;
  line-height: 1.7;
  margin-bottom: 36px;
}

/* Hero Form — full width within copy column */
.hero-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 100%;
}

.form-group { width: 100%; }

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 18px;
  color: #6b63a0;
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 2;
}

.input-wrapper input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(120,80,255,0.2);
  border-radius: var(--radius-md);
  color: #e2e0f0;
  font-size: 0.97rem;
  padding: 15px 18px 15px 46px;
  outline: none;
  transition: var(--transition-med);
}

.input-wrapper input::placeholder { color: #5a5280; }

.input-wrapper input:focus {
  border-color: rgba(124,58,237,0.6);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12), inset 0 0 0 1px rgba(124,58,237,0.2);
}

.hero-form .btn-primary { align-self: stretch; }

.form-microcopy {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
  color: #6b63a0;
  margin-top: 4px;
}

.form-microcopy span { display: flex; align-items: center; gap: 6px; }

.form-microcopy .fa-check {
  color: #4ade80;
  font-size: 0.7rem;
}

.centered-microcopy {
  justify-content: center;
  margin-top: 12px;
}

/* ---- HERO VISUAL / AI IMAGE ---- */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- AI Hero Image Wrapper ---- */
.ai-hero-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  justify-self: center;
}

/* Network SVG */
.hero-network-svg {
  position: absolute;
  inset: -40px;
  width: calc(100% + 80px);
  height: calc(100% + 80px);
  pointer-events: none;
  z-index: 0;
}

.net-ring {
  animation: net-ring-pulse 3s ease-in-out infinite;
  transform-origin: center;
}

@keyframes net-ring-pulse {
  0%, 100% { r: 10; opacity: 0.3; }
  50%       { r: 18; opacity: 0.0; }
}

/* Glow halo */
.ai-image-glow {
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse at 50% 55%,
    rgba(124,58,237,0.28) 0%,
    rgba(59,130,246,0.15) 40%,
    transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: ai-glow-pulse 5s ease-in-out infinite;
}

@keyframes ai-glow-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%       { opacity: 1;   transform: scale(1.04); }
}

/* Image frame */
.ai-image-frame {
  position: relative;
  z-index: 1;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(124,58,237,0.3);
  box-shadow:
    0 0 0 1px rgba(6,182,212,0.1),
    0 20px 60px rgba(0,0,0,0.75),
    0 0 50px rgba(124,58,237,0.18),
    inset 0 0 40px rgba(0,0,0,0.25);
  width: 100%;
  transition: box-shadow var(--transition-med), transform var(--transition-med);
}

.ai-image-frame:hover {
  box-shadow:
    0 0 0 1px rgba(6,182,212,0.22),
    0 24px 72px rgba(0,0,0,0.8),
    0 0 80px rgba(124,58,237,0.28),
    inset 0 0 40px rgba(0,0,0,0.25);
}

.ai-robot-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.6s ease;
  max-height: 500px;
  filter: brightness(0.88) contrast(1.05) saturate(1.1);
}

.ai-image-frame:hover .ai-robot-img {
  transform: scale(1.025);
}

/* Gradient overlay — subtle blend, keeps image present but not overpowering */
.ai-img-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom,
      rgba(7,7,15,0.45) 0%,
      rgba(7,7,15,0.1)  25%,
      rgba(7,7,15,0.1)  55%,
      rgba(7,7,15,0.75) 100%),
    linear-gradient(135deg,
      rgba(124,58,237,0.22) 0%,
      rgba(59,130,246,0.08) 50%,
      rgba(6,182,212,0.15) 100%);
  pointer-events: none;
  z-index: 1;
  border-radius: inherit;
  mix-blend-mode: normal;
}

/* Scanline overlay — very subtle tech texture */
.ai-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 4px,
    rgba(0, 0, 0, 0.04) 4px,
    rgba(0, 0, 0, 0.04) 5px
  );
  pointer-events: none;
  z-index: 2;
  border-radius: inherit;
  opacity: 0.6;
}

/* Corner accents */
.corner-accent {
  position: absolute;
  width: 22px; height: 22px;
  z-index: 4;
  pointer-events: none;
}

.corner-tl { top: 12px; left: 12px;  border-top: 2px solid var(--teal); border-left: 2px solid var(--teal); border-radius: 4px 0 0 0; }
.corner-tr { top: 12px; right: 12px; border-top: 2px solid var(--purple-light); border-right: 2px solid var(--purple-light); border-radius: 0 4px 0 0; }
.corner-bl { bottom: 12px; left: 12px;  border-bottom: 2px solid var(--teal); border-left: 2px solid var(--teal); border-radius: 0 0 0 4px; }
.corner-br { bottom: 12px; right: 12px; border-bottom: 2px solid var(--purple-light); border-right: 2px solid var(--purple-light); border-radius: 0 0 4px 0; }

/* AI status bar (below image) */
.ai-status-bar {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(7, 7, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--teal);
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(6,182,212,0.15);
}

.ai-blink {
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--teal);
  border-radius: 50%;
  margin-left: 4px;
  flex-shrink: 0;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 6px var(--teal);
}

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

/* Float chips */
.float-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 13, 30, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(120,80,255,0.2);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #d0caff;
  box-shadow: var(--shadow-card);
  animation: chip-float 6s ease-in-out infinite;
  z-index: 3;
}

.float-chip i { color: var(--purple-light); }

.chip-1 { top: -16px; right: 20px; animation-delay: 0s; }
.chip-2 { top: 50%; left: -24px; transform: translateY(-50%); animation: chip-float-side 6s ease-in-out infinite; animation-delay: -2s; }
.chip-3 { bottom: 80px; right: -18px; animation-delay: -4s; }

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

@keyframes chip-float-side {
  0%, 100% { transform: translateY(-50%) translateX(0px); }
  50% { transform: translateY(-50%) translateX(-6px); }
}
}

/* Hero wave */
.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  line-height: 0;
}

.hero-wave svg { width: 100%; }

/* ============================================================
   SOCIAL PROOF / LOGOS
   ============================================================ */
.social-proof {
  background: #0a0a12;
  padding: 40px 0;
  overflow: hidden;
}

.proof-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #4a4470;
  margin-bottom: 20px;
}

.logos-track {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
  mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
}

.logos-inner {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: logos-scroll 20s linear infinite;
}

@keyframes logos-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.logo-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(120,80,255,0.1);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 500;
  color: #6b63a0;
  white-space: nowrap;
}

.logo-pill i { font-size: 0.7rem; color: var(--purple); }

/* ============================================================
   PAIN SECTION
   ============================================================ */
.pain-section {
  padding: var(--section-pad) 0;
  background: var(--color-bg-2);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 64px;
}

.pain-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: var(--transition-med);
  cursor: default;
}

.pain-card:hover {
  border-color: rgba(124,58,237,0.35);
  background: var(--color-surface-2);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 20px rgba(124,58,237,0.08);
}

.pain-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--purple-light);
}

.pain-text h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #e0d8ff;
  margin-bottom: 6px;
}

.pain-text p {
  font-size: 0.88rem;
  color: #7570a0;
  line-height: 1.6;
}

.pain-highlight {
  display: flex;
  align-items: center;
  gap: 24px;
  text-align: center;
  padding: 32px 0;
}

.highlight-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(124,58,237,0.4), transparent);
}

.pain-highlight p {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: #c4bcf0;
  white-space: nowrap;
}

.highlight-em {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* ============================================================
   PROMISE SECTION
   ============================================================ */
.promise-section {
  padding: var(--section-pad) 0;
  background: var(--color-bg-3);
  position: relative;
  overflow: hidden;
}

.promise-section::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(circle at 80% 20%, rgba(59,130,246,0.07) 0%, transparent 60%);
  pointer-events: none;
}

.promise-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.promise-copy .section-title { margin-bottom: 20px; }

.promise-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.promise-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #7570a0;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  padding: 6px 14px;
}

.promise-badge .fa-circle-xmark { color: #f87171; font-size: 0.8rem; }

.promise-text {
  color: #9d96c8;
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.promise-text strong { color: #c4bcf0; }

.promise-focus {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(124,58,237,0.08);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.9rem;
  color: var(--purple-light);
}

.promise-focus i { color: var(--purple); font-size: 1rem; }
.promise-focus strong { color: #a78bfa; }

/* Feature List */
.promise-features { display: flex; flex-direction: column; gap: 0; }

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(120,80,255,0.08);
  position: relative;
  transition: var(--transition-med);
}

.feature-item:last-child { border-bottom: none; }

.feature-item:hover { padding-left: 6px; }

.feature-num {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(124,58,237,0.5);
  letter-spacing: 0.08em;
  min-width: 24px;
  padding-top: 2px;
}

.feature-icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--purple-light);
  transition: var(--transition-med);
}

.feature-item:hover .feature-icon {
  background: rgba(124,58,237,0.2);
  box-shadow: 0 0 16px rgba(124,58,237,0.3);
}

.feature-content h4 {
  font-family: var(--font-heading);
  font-size: 0.97rem;
  font-weight: 600;
  color: #e0d8ff;
  margin-bottom: 4px;
}

.feature-content p {
  font-size: 0.83rem;
  color: #6b63a0;
  line-height: 1.55;
}

/* ============================================================
   PROOF SECTION
   ============================================================ */
.proof-section {
  padding: var(--section-pad) 0;
  background: var(--color-bg-2);
  position: relative;
}

.proof-section::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(124,58,237,0.3), transparent);
}

.proof-pillars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 64px;
  padding: 28px 32px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #c4bcf0;
}

.pillar-x { color: #f87171; font-size: 0.85rem; }
.pillar-check { color: #4ade80; font-size: 0.85rem; }
.pillar-divider { width: 1px; height: 24px; background: var(--color-border); }

/* Audience Cards */
.audience-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 72px;
}

.audience-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition-med);
  overflow: hidden;
}

.audience-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,0.4);
}

.featured-audience {
  border-color: rgba(124,58,237,0.3);
  background: linear-gradient(145deg, rgba(124,58,237,0.08), rgba(59,130,246,0.05));
}

.audience-glow {
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 100px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.audience-icon {
  width: 60px; height: 60px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--purple-light);
  margin: 0 auto 20px;
}

.audience-card h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #e0d8ff;
  margin-bottom: 10px;
}

.audience-card p {
  font-size: 0.87rem;
  color: #7570a0;
  line-height: 1.6;
  margin-bottom: 20px;
}

.audience-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--purple-light);
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-full);
  padding: 5px 12px;
}

/* Stats */
.stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 40px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.stat-item {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-suffix {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--purple-light);
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: #6b63a0;
  margin-top: 4px;
  letter-spacing: 0.03em;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--color-border);
}

/* ============================================================
   OBJECTION SECTION
   ============================================================ */
.objection-section {
  padding: var(--section-pad) 0;
  background: var(--color-bg-3);
  position: relative;
  overflow: hidden;
}

.objection-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(124,58,237,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.objection-wrapper {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.objection-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.2);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #4ade80;
  margin-bottom: 24px;
}

.objection-badge i { font-size: 0.85rem; }

.objection-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #f0eeff;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.objection-sub {
  color: #7570a0;
  font-size: 1.05rem;
  margin-bottom: 48px;
}

.objection-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.trio-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  transition: var(--transition-med);
}

.trio-item:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.35);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.trio-icon {
  width: 52px; height: 52px;
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--purple-light);
  margin: 0 auto 16px;
}

.trio-item h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: #e0d8ff;
  margin-bottom: 8px;
}

.trio-item p {
  font-size: 0.84rem;
  color: #7570a0;
  line-height: 1.6;
}

.objection-cta-text {
  font-size: 1.1rem;
  color: #9d96c8;
  margin-bottom: 20px;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-section {
  padding: var(--section-pad) 0;
  background: var(--color-bg-2);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition-med);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124,58,237,0.35);
}

.featured-testimonial {
  border-color: rgba(124,58,237,0.3);
  background: linear-gradient(145deg, rgba(124,58,237,0.07), rgba(59,130,246,0.04));
}

.testimonial-stars { color: #fbbf24; font-size: 0.85rem; display: flex; gap: 3px; }

.testimonial-text {
  font-size: 0.92rem;
  color: #9d96c8;
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: #e0d8ff;
}

.author-info span {
  font-size: 0.78rem;
  color: #6b63a0;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta-section {
  position: relative;
  padding: var(--section-pad) 0;
  overflow: hidden;
}

.final-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #0a0a16 0%, #0f0820 50%, #060c18 100%);
}

.orb-final-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: -200px; left: -100px;
  opacity: 0.12;
}

.orb-final-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #3b82f6, transparent 70%);
  bottom: -100px; right: -80px;
  opacity: 0.1;
}

.final-cta-section > .container { position: relative; z-index: 1; }

.final-cta-wrapper {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.final-icon {
  width: 80px; height: 80px;
  background: var(--grad-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  margin: 0 auto 32px;
  box-shadow: var(--shadow-glow-purple);
}

.final-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #f5f0ff;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.final-sub {
  font-size: 1.05rem;
  color: #7570a0;
  line-height: 1.7;
  margin-bottom: 40px;
}

.final-form-row {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(120,80,255,0.2);
  border-radius: var(--radius-xl);
  padding: 10px;
}

.final-form-row .input-wrapper { flex: 1; }
.final-form-row .input-wrapper input {
  width: 100%;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 12px 14px 12px 44px;
}

.final-form-row .input-wrapper input:focus { box-shadow: none; border: none; background: transparent; }

.final-form-row .btn {
  flex-shrink: 0;
  white-space: nowrap;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #05050e;
  border-top: 1px solid rgba(120,80,255,0.1);
  padding: 60px 0 32px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(120,80,255,0.08);
}

.footer-brand .nav-logo {
  display: inline-flex;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: #4a4470;
  line-height: 1.7;
  max-width: 280px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6b63a0;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.87rem;
  color: #4a4470;
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--purple-light); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: #3a3460;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(120,80,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  color: #4a4470;
  transition: var(--transition-med);
}

.footer-socials a:hover {
  background: rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.4);
  color: var(--purple-light);
  transform: translateY(-2px);
}

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-surface-2);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 20px rgba(74,222,128,0.1);
  max-width: 340px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition-med);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.toast-icon {
  font-size: 1.3rem;
  color: #4ade80;
  flex-shrink: 0;
}

.toast-body strong {
  display: block;
  font-size: 0.9rem;
  color: #e0d8ff;
  margin-bottom: 4px;
}

.toast-body p {
  font-size: 0.82rem;
  color: #6b63a0;
}

.toast-close {
  color: #4a4470;
  font-size: 0.85rem;
  padding: 2px 6px;
  transition: color var(--transition-fast);
  margin-left: auto;
}

.toast-close:hover { color: #e0d8ff; }

/* ============================================================
   ANIMATION CLASSES (AOS-like)
   ============================================================ */
[data-aos] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] { transform: translateY(30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="zoom-in"] { transform: scale(0.95); }

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    justify-items: center;
  }

  .hero-copy {
    max-width: 600px;
    width: 100%;
    align-items: center;
  }
  .hero-badge { align-self: center; }
  .hero-headline { text-align: center; }
  .hero-subheadline { text-align: center; }
  .hero-form { max-width: 520px; }
  .form-microcopy { justify-content: center; }

  .hero-visual { order: -1; width: 100%; }
  .ai-hero-wrapper { max-width: 480px; margin: 0 auto; }

  .promise-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .audience-cards { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .stats-row { gap: 8px; }
  .stat-divider { display: none; }

  .footer-top { grid-template-columns: 1fr; gap: 40px; }

  .nav-powered { display: none; }
  .engage-logo-img { height: 18px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-pad: 60px;
  }

  .nav-logo { font-size: 1.1rem; }
  .nav-btn { font-size: 0.8rem; padding: 8px 16px; }

  .hero { padding: 100px 0 60px; }

  .hero-headline { font-size: clamp(1.75rem, 6vw, 2.2rem); text-align: center; }
  .hero-subheadline { text-align: center; font-size: 0.97rem; }

  .hero-copy { align-items: center; }
  .hero-badge { align-self: center; }

  .chip-1 { top: -14px; right: 10px; font-size: 0.68rem; padding: 6px 12px; }
  .chip-2 { display: none; }
  .chip-3 { bottom: 70px; right: -12px; font-size: 0.68rem; padding: 6px 12px; }

  .ai-hero-wrapper { max-width: 380px; margin: 0 auto; }
  .ai-status-bar { font-size: 0.7rem; padding: 6px 14px; bottom: 50px; }

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

  .audience-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto 48px;
  }

  .objection-trio { grid-template-columns: 1fr; }

  .stats-row {
    flex-direction: column;
    gap: 24px;
  }

  .proof-pillars {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .pillar-divider { width: 60px; height: 1px; }

  .pain-highlight { flex-direction: column; gap: 12px; }
  .pain-highlight p { white-space: normal; }

  .final-form-row {
    flex-direction: column;
    border: none;
    padding: 0;
    background: transparent;
  }

  .final-form-row .input-wrapper,
  .final-form-row .btn { width: 100%; }

  .final-form-row .input-wrapper input {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(120,80,255,0.2);
    border-radius: var(--radius-md);
    padding: 15px 18px 15px 46px;
  }

  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }

  .toast { left: 16px; right: 16px; max-width: none; bottom: 16px; }

  .logo-pill { padding: 6px 14px; font-size: 0.76rem; }

  .ai-hero-wrapper { max-width: 320px; }
}

/* ============================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-headline { font-size: 1.65rem; }
  .section-title { font-size: 1.5rem; }
  .objection-title { font-size: 1.6rem; }
  .final-title { font-size: 1.7rem; }

  .footer-links { grid-template-columns: 1fr; }

  .chip-1, .chip-3 { display: none; }

  .ai-status-bar { display: none; }
  .corner-accent { width: 16px; height: 16px; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: rgba(124,58,237,0.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(124,58,237,0.7); }

/* ============================================================
   SELECTION
   ============================================================ */
::selection {
  background: rgba(124,58,237,0.35);
  color: #f0eeff;
}