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

:root {
  --black: #000000;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-800: #262626;
  --gray-900: #171717;
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  letter-spacing: -0.01em;
}

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

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

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

.btn-secondary:hover {
  border-color: var(--black);
  transform: translateY(-2px);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo-img {
  height: 64px;
  width: auto;
  border-radius: 8px;
}

.nav-logo .tm { font-size: 14px; vertical-align: super; }

.nav-links {
  display: flex;
  gap: 36px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-500);
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 10px 24px;
  background: var(--black);
  color: var(--white);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.nav-cta:hover { background: var(--gray-800); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--black);
}

/* ===== SECTION STYLES ===== */
.section-tag {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--black);
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 60px;
  text-align: center;
  line-height: 1.6;
}

/* ===== HERO ===== */
.hero {
  padding: 140px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: 24px;
  color: var(--black);
}

.hero-description {
  font-size: 18px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero-stat-value {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  display: block;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
}

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

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 120px 0;
  background: var(--gray-50);
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.step-card {
  text-align: left;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.step-card:hover { transform: translateY(-8px); }

.step-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.step-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.step-card:hover .step-image img { transform: scale(1.05); }

.step-number {
  font-size: 48px;
  font-weight: 900;
  color: var(--gray-200);
  letter-spacing: -0.04em;
  padding: 20px 24px 0;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  padding: 8px 24px 0;
  letter-spacing: -0.01em;
}

.step-description {
  font-size: 14px;
  color: var(--gray-500);
  padding: 8px 24px 24px;
  line-height: 1.6;
}

/* ===== PROBLEM SECTION ===== */
.problem-section {
  padding: 120px 0;
}

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

.problem-description {
  font-size: 18px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 40px;
}

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

.problem-stat {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
}

.problem-stat i {
  font-size: 24px;
  color: var(--black);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  border-radius: 50%;
  flex-shrink: 0;
}

.problem-stat strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.problem-stat span {
  font-size: 14px;
  color: var(--gray-500);
}

.problem-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.problem-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== VENUES SECTION ===== */
.venues-section {
  padding: 120px 0;
  background: var(--gray-900);
  color: var(--white);
  text-align: center;
}

.venues-section .section-tag { color: var(--gray-400); }
.venues-section .section-title { color: var(--white); }
.venues-section .section-subtitle { color: var(--gray-400); }

.venue-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.venue-card {
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  text-align: left;
  transition: all 0.3s ease;
}

.venue-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.venue-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  color: var(--black);
  border-radius: 12px;
  font-size: 20px;
  margin-bottom: 20px;
}

.venue-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.venue-card p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}

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

.venue-cta .btn-primary:hover {
  background: var(--gray-100);
}

/* ===== ERRANDS SECTION ===== */
.errands-section {
  padding: 120px 0;
}

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

.errands-description {
  font-size: 18px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 32px;
}

.errand-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.errand-type {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
}

.errand-type i {
  font-size: 18px;
  color: var(--black);
}

.errands-plans {
  display: flex;
  gap: 16px;
}

.plan {
  flex: 1;
  padding: 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

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

.plan-popular {
  border-color: var(--black);
  background: var(--black);
  color: var(--white);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--black);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-popular .plan-badge {
  background: var(--white);
  color: var(--black);
}

.plan-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.plan-price {
  display: block;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.plan-price small {
  font-size: 14px;
  font-weight: 400;
  opacity: 0.6;
}

.plan-detail {
  display: block;
  font-size: 13px;
  opacity: 0.6;
  margin-top: 4px;
}

.errands-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.errands-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== INVESTORS SECTION ===== */
.investors-section {
  padding: 120px 0;
  background: var(--gray-50);
  text-align: center;
}

.investor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.investor-card {
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
}

.investor-value {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}

.investor-label {
  font-size: 14px;
  color: var(--gray-500);
}

.investor-pitch {
  max-width: 700px;
  margin: 0 auto;
}

.investor-pitch p {
  font-size: 18px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* ===== WAITLIST SECTION ===== */
.waitlist-section {
  padding: 120px 0;
  text-align: center;
}

.waitlist-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.waitlist-subtitle {
  font-size: 18px;
  color: var(--gray-500);
  margin-bottom: 48px;
}

.waitlist-form {
  max-width: 800px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.form-input {
  flex: 1;
  padding: 16px 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: inherit;
  background: var(--white);
  transition: border-color 0.2s ease;
  color: var(--black);
}

.form-input:focus {
  outline: none;
  border-color: var(--black);
}

.form-input::placeholder { color: var(--gray-400); }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23737373' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.btn-submit {
  white-space: nowrap;
  padding: 16px 36px;
  font-size: 16px;
}

.waitlist-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--gray-400);
}

/* ===== FOOTER ===== */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--gray-200);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo-img {
  height: 72px;
  width: auto;
  border-radius: 8px;
}

.footer-logo .tm { font-size: 16px; vertical-align: super; }

.footer-tagline {
  font-size: 15px;
  color: var(--gray-500);
  margin-top: 12px;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 16px;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--black);
  color: var(--white);
}

.footer-links h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: var(--gray-400);
}

.footer-links a {
  display: block;
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-400);
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  max-width: 400px;
  width: 90%;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.active .modal-content { transform: scale(1); }

.modal-icon {
  font-size: 48px;
  color: #34C759;
  margin-bottom: 16px;
}

.modal-content h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}

.modal-content p {
  color: var(--gray-500);
  margin-bottom: 24px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-text { animation: fadeInUp 0.8s ease forwards; }
.hero-image { animation: fadeInUp 0.8s ease 0.2s forwards; opacity: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .steps-grid, .venue-grid, .investor-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-image { max-width: 500px; }
  .problem-grid, .errands-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  
  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    gap: 16px;
  }

  .hero { padding: 100px 24px 60px; }
  .hero-title { font-size: 40px; }
  .hero-actions { flex-direction: column; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-stat-divider { display: none; }

  .steps-grid, .venue-grid, .investor-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; }
  .errands-plans { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  
  .how-it-works, .problem-section, .venues-section, .errands-section, .investors-section, .waitlist-section {
    padding: 80px 0;
  }
}