/* ===== CSS Variables ===== */
:root {
  --color-black: #000000;
  --color-white: #ffffff;
  --color-gray-50: #fafafa;
  --color-gray-100: #f4f4f5;
  --color-gray-200: #e4e4e7;
  --color-gray-300: #d4d4d8;
  --color-gray-400: #a1a1aa;
  --color-gray-500: #71717a;
  --color-gray-600: #52525b;
  --color-gray-700: #3f3f46;
  --color-gray-800: #27272a;
  --color-gray-900: #18181b;

  --font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
}

/* ===== Dotted Background Patterns ===== */
.dotted-bg {
  background-image: radial-gradient(circle, var(--color-gray-300) 1px, transparent 1px);
  background-size: 24px 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}
h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}
h4 {
  font-size: 1.125rem;
}

p {
  color: var(--color-gray-600);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-gray-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-gray-900);
  border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
  border-color: var(--color-gray-400);
  background-color: var(--color-gray-50);
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.btn-nav {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 12px 24px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-gray-200);
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-slow);
  max-width: 900px;
  width: calc(100% - 32px);
}

.navbar.scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border-color: var(--color-gray-300);
  padding: 10px 24px;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-black);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  stroke: var(--color-white);
}

.logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.logo-full {
  height: 32px;
}

.logo-mobile {
  display: none;
  height: 28px;
}

/* Hide mobile CTA on desktop */
.mobile-cta {
  display: none !important;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-gray-600);
}

.nav-links a:hover {
  color: var(--color-gray-900);
}

/* ===== Hero Section ===== */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(120, 119, 198, 0.08), transparent),
    radial-gradient(circle, var(--color-gray-300) 1px, transparent 1px),
    linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
  background-size: 100% 100%, 24px 24px, 100% 100%;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.badge {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-text {
  color: var(--color-gray-500);
  font-size: 0.875rem;
}

.hero-title {
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease-out forwards;
}

.gradient-text {
  background: linear-gradient(
    135deg,
    var(--color-gray-900) 0%,
    var(--color-gray-500) 50%,
    var(--color-gray-900) 100%
  );
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-500);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-gray-200);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-black);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background-color: var(--color-gray-200);
}

/* Hero Visual */
.hero-visual {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

.visual-container {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px;
  background-color: var(--color-gray-50);
  border-radius: 24px;
  border: 1px solid var(--color-gray-200);
}

.visual-card {
  background: var(--color-white);
  padding: 16px 32px;
  border-radius: 12px;
  border: 2px solid var(--color-gray-200);
  text-align: center;
  min-width: 200px;
  transition: all var(--transition-slow);
  animation: float 6s ease-in-out infinite;
}

.visual-card:nth-child(1) { animation-delay: 0s; }
.visual-card:nth-child(3) { animation-delay: 0.4s; }
.visual-card:nth-child(5) { animation-delay: 0.8s; }

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.visual-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.card-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  margin-bottom: 4px;
}

.card-content {
  font-weight: 700;
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.card-agent {
  background-color: var(--color-black);
  border-color: var(--color-black);
}

.card-agent .card-label {
  color: var(--color-gray-400);
}

.card-agent .card-content {
  color: var(--color-white);
}

.card-review {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-300);
}

.visual-arrow {
  color: var(--color-gray-300);
  font-size: 1.25rem;
}

.visual-loop {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
}

.loop-label {
  background-color: var(--color-white);
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--color-gray-200);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-400);
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Problem Section ===== */
.problem {
  background-color: var(--color-white);
  background-image: radial-gradient(circle, var(--color-gray-200) 1px, transparent 1px);
  background-size: 32px 32px;
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-white) 0%, transparent 15%, transparent 85%, var(--color-white) 100%);
  pointer-events: none;
}

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

.problem-card {
  padding: 32px;
  background-color: var(--color-gray-50);
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

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

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

.problem-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-gray-200);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--color-gray-600);
}

.problem-card h3 {
  margin-bottom: 12px;
  color: var(--color-gray-900);
}

.problem-card p {
  line-height: 1.6;
}

/* ===== Features Section ===== */
.features {
  background-color: var(--color-gray-50);
  background-image: radial-gradient(circle, var(--color-gray-300) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-gray-50) 0%, transparent 10%, transparent 90%, var(--color-gray-50) 100%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

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

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-200);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-gray-100);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  color: var(--color-black);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

.feature-card h3 {
  margin-bottom: 12px;
  color: var(--color-gray-900);
}

/* ===== How It Works Section ===== */
.how-it-works {
  background-color: var(--color-white);
  background-image: radial-gradient(circle, var(--color-gray-200) 1px, transparent 1px);
  background-size: 28px 28px;
  position: relative;
}

.how-it-works::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-white) 0%, transparent 10%, transparent 90%, var(--color-white) 100%);
  pointer-events: none;
}

.steps-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-bottom: 60px;
}

.step {
  flex: 1;
  text-align: center;
  padding: 24px;
  position: relative;
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.step-number {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background-color: var(--color-black);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.875rem;
  z-index: 2;
}

.step-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-gray-100);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 32px auto 24px;
  font-size: 1.5rem;
  color: var(--color-gray-700);
  transition: all var(--transition-base);
}

.step:hover .step-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

.step h3 {
  margin-bottom: 8px;
  font-size: 1.125rem;
}

.step p {
  font-size: 0.875rem;
  line-height: 1.5;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 0%,
    var(--color-gray-300) 50%,
    var(--color-gray-200) 100%
  );
  margin-top: 80px;
  position: relative;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 0.4s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-connector.animate-in {
  opacity: 1;
  transform: scaleX(1);
}

.step-connector::after {
  content: "→";
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity 0.3s ease 0.4s;
}

.step-connector.animate-in::after {
  opacity: 1;
}

.loop-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px) scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.loop-indicator.animate-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.loop-circle {
  width: 60px;
  height: 60px;
  background-color: var(--color-black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-white);
}

.loop-indicator span {
  font-weight: 700;
  color: var(--color-gray-700);
}

/* ===== Why Us Section ===== */
.why-us {
  background-color: var(--color-gray-50);
}

.comparison {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 40px;
}

.comparison-card {
  flex: 1;
  padding: 40px;
  border-radius: 20px;
  opacity: 0;
  transform: translateY(20px);
}

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

.comparison-card.others {
  background-color: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
}

.comparison-card.ours {
  background-color: var(--color-white);
  border: 2px solid var(--color-black);
  position: relative;
}

/* .comparison-card.ours::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-black);
  border-radius: 20px 20px 0 0;
} */

.comparison-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--color-white);
  border-radius: 50%;
  font-weight: 800;
  color: var(--color-gray-400);
  border: 3px solid var(--color-gray-200);
  margin: 0 -25px;
  z-index: 10;
  align-self: center;
}

.comparison-header {
  text-align: center;
  margin-bottom: 32px;
}

.comparison-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-gray-200);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 16px;
}

.comparison-card.others .comparison-icon {
  color: var(--color-gray-500);
}

.comparison-card.ours .comparison-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

.comparison-header h3 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.comparison-card.others .comparison-header h3 {
  color: var(--color-gray-500);
}

.comparison-subtitle {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.comparison-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comparison-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.comparison-item.faded {
  opacity: 0.5;
}

.comparison-item i {
  width: 40px;
  height: 40px;
  background-color: var(--color-gray-200);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.comparison-card.ours .comparison-item i {
  background-color: var(--color-gray-100);
  color: var(--color-black);
}

.comparison-item div {
  display: flex;
  flex-direction: column;
}

.comparison-item strong {
  font-weight: 700;
  color: var(--color-gray-900);
  font-size: 1rem;
}

.comparison-item span {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

.difference-box {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: 32px;
  border-radius: 16px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.difference-box h4 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.difference-box p {
  color: var(--color-gray-300);
  font-size: 1.125rem;
}

/* ===== Why Vertical Section ===== */
.why-vertical {
  background-color: var(--color-white);
}

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

.vertical-card {
  padding: 40px 32px;
  background-color: var(--color-gray-50);
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  text-align: center;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

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

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

.vertical-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 24px;
  color: var(--color-gray-700);
  transition: all var(--transition-base);
}

.vertical-card:hover .vertical-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

.vertical-card h3 {
  margin-bottom: 12px;
}

/* ===== Vision Section ===== */
.vision {
  background-color: var(--color-gray-50);
}

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

.vision-card {
  padding: 40px 32px;
  background-color: var(--color-white);
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  text-align: center;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

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

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

.vision-card-highlight {
  background-color: var(--color-black);
  border-color: var(--color-black);
  transform: scale(1.05);
}

.vision-card-highlight.animate-in {
  transform: scale(1.05);
}

.vision-card-highlight:hover {
  transform: scale(1.05) translateY(-4px);
}

.vision-card-highlight h3,
.vision-card-highlight p {
  color: var(--color-white);
}

.vision-card-highlight p {
  color: var(--color-gray-400);
}

.vision-icon {
  width: 72px;
  height: 72px;
  background-color: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 24px;
  color: var(--color-gray-700);
}

.vision-card-highlight .vision-icon {
  background-color: var(--color-white);
  color: var(--color-black);
}

.vision-card h3 {
  margin-bottom: 16px;
}

/* ===== CTA Section ===== */
.cta {
  background-color: var(--color-black);
  padding: 100px 0;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-subtitle {
  color: var(--color-gray-400);
  font-size: 1.25rem;
  margin-bottom: 40px;
}

.waitlist-form {
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  gap: 12px;
  max-width: 500px;
  margin: 0 auto;
}

.form-group input {
  flex: 1;
  padding: 16px 20px;
  font-size: 1rem;
  font-family: var(--font-family);
  border: 2px solid var(--color-gray-700);
  border-radius: 12px;
  background-color: var(--color-gray-900);
  color: var(--color-white);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input::placeholder {
  color: var(--color-gray-500);
}

.form-group input:focus {
  border-color: var(--color-gray-500);
}

.form-group .btn {
  white-space: nowrap;
}

.form-group .btn-primary {
  background-color: var(--color-white);
  color: var(--color-black);
}

.form-group .btn-primary:hover {
  background-color: var(--color-gray-200);
}

.cta-note {
  font-size: 0.875rem;
  color: var(--color-gray-500);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-gray-50);
  padding-top: 80px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--color-gray-200);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-column h4 {
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-gray-900);
}

.footer-column a {
  display: block;
  color: var(--color-gray-500);
  font-size: 0.875rem;
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-gray-900);
}

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.problem-card:nth-child(1) {
  transition-delay: 0ms;
}
.problem-card:nth-child(2) {
  transition-delay: 100ms;
}
.problem-card:nth-child(3) {
  transition-delay: 200ms;
}

.feature-card:nth-child(1) {
  transition-delay: 0ms;
}
.feature-card:nth-child(2) {
  transition-delay: 100ms;
}
.feature-card:nth-child(3) {
  transition-delay: 200ms;
}
.feature-card:nth-child(4) {
  transition-delay: 300ms;
}

.step:nth-child(1) {
  transition-delay: 0ms;
}
.step:nth-child(3) {
  transition-delay: 100ms;
}
.step:nth-child(5) {
  transition-delay: 200ms;
}
.step:nth-child(7) {
  transition-delay: 300ms;
}
.step:nth-child(9) {
  transition-delay: 400ms;
}

.vertical-card:nth-child(1) {
  transition-delay: 0ms;
}
.vertical-card:nth-child(2) {
  transition-delay: 100ms;
}
.vertical-card:nth-child(3) {
  transition-delay: 200ms;
}

.vision-card:nth-child(1) {
  transition-delay: 0ms;
}
.vision-card:nth-child(2) {
  transition-delay: 100ms;
}
.vision-card:nth-child(3) {
  transition-delay: 200ms;
}

/* ===== Hero Content Animations ===== */
.hero-badge { animation: fadeInUp 0.6s ease-out 0.1s both; }
.hero-subtitle { animation: fadeInUp 0.6s ease-out 0.3s both; }
.hero-cta { animation: fadeInUp 0.6s ease-out 0.5s both; }
.hero-stats { animation: fadeInUp 0.6s ease-out 0.7s both; }
.hero-visual { animation: fadeInUp 0.8s ease-out 0.4s both; }

/* ===== Button Shimmer Effect ===== */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover::after {
  transform: translateX(100%);
}

/* ===== Loop Circle Pulse ===== */
.loop-circle {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.3); }
  50% { transform: scale(1.05); box-shadow: 0 0 20px rgba(0, 0, 0, 0.2); }
}

/* ===== Smooth Transitions for All Animated Cards ===== */
.problem-card,
.feature-card,
.step,
.comparison-card,
.vertical-card,
.vision-card {
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .steps-container {
    flex-wrap: wrap;
    gap: 24px;
  }

  .step {
    flex: 0 0 30%;
  }

  .step-connector {
    display: none;
  }

  .comparison {
    flex-direction: column;
  }

  .comparison-vs {
    margin: -25px auto;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

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

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

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .visual-loop {
    display: none;
  }

  .problem-grid,
  .features-grid,
  .vertical-grid,
  .vision-grid {
    grid-template-columns: 1fr;
  }

  .step {
    flex: 0 0 100%;
  }

  .footer-content {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 40px;
  }

  .form-group {
    flex-direction: column;
  }

  .vision-card-highlight {
    transform: none;
  }

  .vision-card-highlight.animate-in,
  .vision-card-highlight:hover {
    transform: translateY(-4px);
  }
}

/* ===== Problem Summary ===== */
.problem-summary {
  margin-top: 48px;
  padding: 24px 32px;
  background-color: var(--color-gray-100);
  border-radius: 16px;
  border-left: 4px solid var(--color-black);
  text-align: center;
  position: relative;
  z-index: 1;
}

.problem-summary p {
  font-size: 1.125rem;
  color: var(--color-gray-700);
  margin: 0;
}

.problem-summary strong {
  color: var(--color-gray-900);
}

.problem-summary em {
  color: var(--color-gray-600);
  font-style: normal;
  display: block;
  margin-top: 8px;
}

/* ===== Feature Labels ===== */
.feature-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-400);
  margin-bottom: 8px;
}

.feature-card-highlight {
  border: 2px solid var(--color-black);
  position: relative;
}

/* .feature-card-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background-color: var(--color-black);
  border-radius: 20px 20px 0 0;
} */

.feature-card-highlight .feature-label {
  color: var(--color-black);
}

.feature-card-highlight .feature-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* ===== Mobile Menu ===== */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 1001;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-900);
  transition: all var(--transition-base);
  transform-origin: center;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-white);
    flex-direction: column;
    padding: 24px 32px;
    border-radius: 20px;
    border: 1px solid var(--color-gray-200);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-slow);
    gap: 16px;
    min-width: 200px;
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 8px 0;
    text-align: center;
  }

  .btn-nav {
    display: none;
  }
}

/* ===== Social Proof Section ===== */
.social-proof {
  padding: 40px 0;
  background-color: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
}

.social-proof-text {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.logo-carousel {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.company-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-gray-400);
  font-size: 1rem;
  opacity: 0.7;
  transition: all var(--transition-base);
}

.company-logo:hover {
  opacity: 1;
  color: var(--color-gray-600);
}

.company-logo i {
  font-size: 1.25rem;
}

/* ===== Feedback Types Tags ===== */
.feedback-types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.feedback-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background-color: var(--color-gray-100);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray-600);
  transition: all var(--transition-base);
}

.feedback-tag:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.feedback-tag i {
  font-size: 0.625rem;
}

/* ===== Use Cases Section ===== */
.use-cases {
  background-color: var(--color-gray-50);
  background-image: radial-gradient(circle, var(--color-gray-300) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
}

.use-cases::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--color-gray-50) 0%, transparent 10%, transparent 90%, var(--color-gray-50) 100%);
  pointer-events: none;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.use-case-card {
  background-color: var(--color-white);
  padding: 32px;
  border-radius: 20px;
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-slow);
  opacity: 0;
  transform: translateY(20px);
}

.use-case-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-200);
}

.use-case-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-gray-100);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--color-gray-700);
  transition: all var(--transition-base);
}

.use-case-card:hover .use-case-icon {
  background-color: var(--color-black);
  color: var(--color-white);
}

.use-case-card h3 {
  margin-bottom: 12px;
  color: var(--color-gray-900);
}

.use-case-card p {
  margin-bottom: 16px;
  line-height: 1.6;
}

.use-case-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.use-case-tools span {
  padding: 4px 12px;
  background-color: var(--color-gray-100);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray-500);
}

/* ===== FAQ Section ===== */
.faq {
  background-color: var(--color-white);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-gray-50);
  border-radius: 16px;
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

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

.faq-item:hover {
  border-color: var(--color-gray-200);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin: 0;
  transition: all var(--transition-base);
}

.faq-question:hover {
  color: var(--color-gray-700);
}

.faq-question i {
  font-size: 0.75rem;
  color: var(--color-gray-400);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-question i {
  transform: rotate(90deg);
}

.faq-answer {
  padding: 0 24px 20px 56px;
  color: var(--color-gray-600);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  opacity: 1;
}

/* Responsive for new sections */
@media (max-width: 768px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .logo-carousel {
    gap: 24px;
  }

  .company-logo {
    font-size: 0.875rem;
  }

  .feedback-types {
    gap: 6px;
  }

  .feedback-tag {
    padding: 4px 10px;
    font-size: 0.7rem;
  }

  .logo-full {
    display: none;
  }

  .logo-mobile {
    display: block;
  }

  .mobile-cta {
    display: block !important;
    margin-top: 16px;
    text-align: center;
  }
}