/* ==========================================
   Spivvy Landing Page Styles
   Brand Colors:
   - Primary Teal: #005960
   - Burgundy: #3D0C11
   - Sage: #E5F2C9
   - Slate: #8797AF
   - Silver: #ACAFB0
   - White: #FFFFFF
   ========================================== */

:root {
  --primary: #005960;
  --primary-dark: #004048;
  --burgundy: #3D0C11;
  --sage: #E5F2C9;
  --sage-dark: #C8DCA6;
  --slate: #8797AF;
  --silver: #ACAFB0;
  --background: #FAF9F6;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--gray-800);
  line-height: 1.6;
}

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

/* ==========================================
   Typography
   ========================================== */

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.25rem;
}

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

.highlight {
  color: var(--primary);
}

.section-tag {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

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

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

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

/* ==========================================
   Navigation
   ========================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
}

.nav-logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
  display: block;
  margin: -20px 0;
}

.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.nav-cta {
  background-color: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  border-radius: 8px;
}

.nav-cta:hover {
  background-color: var(--primary-dark) !important;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin: 24px 0 32px;
  line-height: 1.7;
}

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

.hero-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--white);
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}

.stat-icon {
  font-size: 1.25rem;
}

.stat-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

/* Phone Mockup */
.phone-mockup {
  width: 280px;
  height: 580px;
  background: var(--gray-900);
  border-radius: 40px;
  padding: 12px;
  box-shadow: var(--shadow-xl);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--white);
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.placeholder-text {
  color: var(--gray-400);
  font-weight: 500;
}

/* ==========================================
   Problem Section
   ========================================== */

.problem {
  padding: 100px 24px;
  background: var(--white);
}

.problem h2 {
  text-align: center;
  margin-bottom: 60px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.problem-card {
  text-align: center;
  padding: 40px 32px;
  background: var(--gray-50);
  border-radius: 20px;
  border: 1px solid var(--gray-100);
}

.problem-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.problem-card h3 {
  margin-bottom: 12px;
  color: var(--gray-800);
}

.problem-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================
   Solution Section
   ========================================== */

.solution {
  padding: 100px 24px;
}

.solution .container {
  display: flex;
  align-items: center;
  gap: 80px;
}

.solution-content {
  flex: 1;
}

.solution-content h2 {
  margin-bottom: 20px;
}

.solution-content > p {
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.solution-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.solution-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--gray-700);
}

.check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--sage);
  color: var(--primary);
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.75rem;
}

.solution-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

/* ==========================================
   How It Works
   ========================================== */

.how-it-works {
  padding: 100px 24px;
  background: var(--white);
}

.how-it-works .container {
  text-align: center;
}

.how-it-works h2 {
  margin-bottom: 60px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  text-align: center;
  padding: 32px 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 16px;
  margin-bottom: 20px;
}

.step h3 {
  margin-bottom: 12px;
}

.step p {
  font-size: 0.9375rem;
}

/* ==========================================
   Occasions Section
   ========================================== */

.occasions {
  padding: 100px 24px;
}

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

.occasions h2 {
  margin-bottom: 60px;
}

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

.occasion-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: 20px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

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

.occasion-emoji {
  font-size: 3rem;
  margin-bottom: 16px;
}

.occasion-card h3 {
  margin-bottom: 8px;
}

.occasion-card p {
  font-size: 0.9375rem;
}

/* ==========================================
   Seniors Section
   ========================================== */

.seniors {
  padding: 80px 24px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

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

.seniors .section-tag {
  color: var(--sage);
}

.seniors h2 {
  color: var(--white);
  margin-bottom: 20px;
}

.seniors p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

.seniors .btn-primary {
  background: var(--sage);
  color: var(--burgundy);
}

.seniors .btn-primary:hover {
  background: var(--sage-dark);
}

/* ==========================================
   Impact Section
   ========================================== */

.impact {
  padding: 100px 24px;
  background: var(--white);
}

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

.impact h2 {
  margin-bottom: 12px;
}

.impact-subtitle {
  font-size: 1.25rem;
  margin-bottom: 60px;
}

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

.impact-card {
  padding: 48px 32px;
  background: var(--gray-50);
  border-radius: 20px;
}

.impact-number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}

.impact-card p {
  font-size: 1rem;
}

/* ==========================================
   Download Section
   ========================================== */

.download {
  padding: 100px 24px;
  text-align: center;
}

.download h2 {
  margin-bottom: 16px;
}

.download > .container > p {
  font-size: 1.25rem;
  margin-bottom: 40px;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}

.store-button img {
  height: 54px;
  transition: transform 0.2s;
}

.store-button:hover img {
  transform: scale(1.05);
}

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

/* ==========================================
   Footer
   ========================================== */

.footer {
  background: var(--gray-900);
  padding: 60px 24px 32px;
  color: var(--gray-400);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 280px;
}

.footer-logo-img {
  height: 36px;
  max-height: 36px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  display: block;
  margin-bottom: 12px;
}

.footer-brand .logo-text {
  color: var(--white);
  margin-bottom: 12px;
  display: block;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9375rem;
}

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

.footer-column h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-column a {
  display: block;
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.9375rem;
  margin-bottom: 12px;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
  font-size: 0.875rem;
}

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

.social-links a {
  color: var(--gray-400);
  transition: color 0.2s;
}

.social-links a:hover {
  color: var(--white);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 100px;
  }

  .hero-content {
    max-width: 100%;
  }

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

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

  .problem-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
  }

  .solution .container {
    flex-direction: column;
    text-align: center;
  }

  .solution-list {
    align-items: center;
  }

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

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

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

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

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero {
    min-height: auto;
    padding: 100px 20px 60px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 12px;
  }

  .stat {
    padding: 6px 12px;
  }

  .stat-text {
    font-size: 0.75rem;
  }

  .phone-mockup {
    width: 240px;
    height: 500px;
  }

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

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

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
}