/* ================================================================
   Feed Our Furbabies — Marketing Website Styles
   Mobile-first, two breakpoints: 640px (tablet), 960px (desktop)
================================================================ */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  --color-primary:      #4A90E2;
  --color-primary-dark: #3578c9;
  --color-secondary:    #50C878;
  --color-gold:         #F4C430;
  --color-bg:           #F5F5F5;
  --color-card:         #FFFFFF;
  --color-text:         #333333;
  --color-text-muted:   #666666;
  --color-border:       #E0E0E0;
  --color-success:      #2ECC71;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-card:   0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-raised: 0 8px 24px rgba(0, 0, 0, 0.14);

  --transition-fast: 180ms ease;
  --transition-med:  280ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
               'Helvetica Neue', Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ── Utility: Container ────────────────────────────────────────── */
.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── Section Typography ────────────────────────────────────────── */
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 3rem;
}

/* ================================================================
   HEADER / NAV
================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-med);
}

.site-header--scrolled {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  white-space: nowrap;
}

.nav-logo__icon {
  font-size: 1.4rem;
}

/* Hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Nav links — hidden on mobile until toggled */
.nav-links {
  display: none;
  flex-direction: column;
  gap: 0;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.nav-links.is-open {
  display: flex;
}

.nav-link {
  padding: 12px 24px;
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-bg);
}

.nav-link--cta {
  color: var(--color-primary);
  font-weight: 700;
}

/* ── Breakpoint: tablet (640px) ──────────────────────────────── */
@media (min-width: 640px) {
  .nav-hamburger {
    display: none;
  }

  .nav-links {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    position: static;
    border: none;
    padding: 0;
    box-shadow: none;
    background: transparent;
  }

  .nav-link {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
  }

  .nav-link--cta {
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 8px 16px;
  }

  .nav-link--cta:hover {
    background: var(--color-primary-dark);
    color: #fff;
  }
}

/* ================================================================
   HERO
================================================================ */
.hero {
  padding: 64px 0 80px;
  background: linear-gradient(160deg, var(--color-card) 0%, var(--color-bg) 100%);
  overflow: hidden;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
}

.hero-content {
  flex: 1;
  text-align: center;
}

.hero-headline {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-headline--accent {
  color: var(--color-primary);
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ── Breakpoint: desktop (960px) ─────────────────────────────── */
@media (min-width: 960px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
  }

  .hero-content {
    text-align: left;
  }

  .hero-tagline {
    margin-left: 0;
  }
}

/* ── Download Buttons ─────────────────────────────────────────── */
.btn-store-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (min-width: 960px) {
  .btn-store-group {
    justify-content: flex-start;
  }
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  border: 2px solid transparent;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast);
  white-space: nowrap;
}

.btn-store:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-raised);
}

.btn-store__icon {
  font-size: 1.5rem;
  line-height: 1;
}

.btn-store__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.btn-store__label {
  font-size: 0.72rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-store__name {
  font-size: 1rem;
  font-weight: 700;
}

/* Apple — dark */
.btn-store--apple {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}

.btn-store--apple:hover {
  background: #000;
  border-color: #000;
}

/* Google — light */
.btn-store--google {
  background: var(--color-card);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-store--google:hover {
  background: var(--color-bg);
  border-color: var(--color-primary);
}

/* Light variant (used on blue CTA band) */
.btn-store--light.btn-store--apple {
  background: #fff;
  color: #1a1a1a;
  border-color: #fff;
}

.btn-store--light.btn-store--google {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.btn-store--light.btn-store--google:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}

/* ================================================================
   PHONE MOCKUP (pure CSS)
================================================================ */
.hero-mockup {
  flex-shrink: 0;
}

.phone-frame {
  width: 240px;
  height: 480px;
  background: #1a1a1a;
  border-radius: 36px;
  padding: 12px 8px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255,255,255,0.06);
  position: relative;
}

.phone-notch {
  width: 80px;
  height: 14px;
  background: #1a1a1a;
  border-radius: 0 0 10px 10px;
  margin: 0 auto 6px;
  position: relative;
  z-index: 1;
}

.phone-screen {
  background: var(--color-bg);
  border-radius: 28px;
  height: calc(100% - 20px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 12px 10px 0;
  gap: 8px;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.mock-greeting {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text);
}

.mock-badge {
  font-size: 1rem;
}

.mock-card {
  background: var(--color-card);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}

.mock-card__icon {
  font-size: 1.2rem;
}

.mock-card__info {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mock-card__name {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--color-text);
}

.mock-card__status {
  font-size: 0.58rem;
  font-weight: 500;
}

.mock-card__status--ok   { color: var(--color-success); }
.mock-card__status--due  { color: #e74c3c; }

.mock-footer {
  margin-top: auto;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-around;
  padding: 8px 4px;
  font-size: 0.9rem;
  margin-inline: -10px;
}

.mock-tab { opacity: 0.4; }
.mock-tab--active { opacity: 1; }

/* ================================================================
   FEATURES
================================================================ */
.features {
  padding: 80px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-med),
              box-shadow var(--transition-med),
              opacity var(--transition-med);

  /* Initial state for scroll animation */
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-raised);
}

.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.feature-card__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ================================================================
   HOW IT WORKS
================================================================ */
.how-it-works {
  padding: 80px 0;
  background: var(--color-card);
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 0;

  /* Scroll animation initial state */
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-med), transform var(--transition-med);
}

.step.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(74, 144, 226, 0.35);
}

.step__body {
  padding-top: 8px;
}

.step__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 420px;
}

/* Connector line between steps */
.step-connector {
  width: 2px;
  height: 32px;
  background: var(--color-border);
  margin-left: 23px; /* center under 48px circle */
}

/* Horizontal layout on desktop */
@media (min-width: 960px) {
  .steps {
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
  }

  .step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    padding: 0;
  }

  .step__body {
    padding-top: 16px;
  }

  .step__desc {
    max-width: 260px;
    margin-inline: auto;
  }

  .step-connector {
    width: 60px;
    height: 2px;
    margin: 0;
    margin-top: 23px; /* vertically center with circles */
    flex-shrink: 0;
  }
}

/* ================================================================
   PRICING
================================================================ */
.pricing {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 24px;
}

@media (min-width: 640px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;

  /* Scroll animation */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-med), transform var(--transition-med);
}

.pricing-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pricing-card--premium {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(74, 144, 226, 0.18);
}

.pricing-card__badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card__header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pricing-card__tier {
  font-size: 1.15rem;
  font-weight: 700;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.pricing-card__amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text);
}

.pricing-card__amount--small {
  font-size: 1.4rem;
}

.pricing-card__period {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.pricing-feature {
  font-size: 0.9rem;
  color: var(--color-text);
  padding-left: 24px;
  position: relative;
}

.pricing-feature--yes::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.pricing-feature--no {
  color: var(--color-text-muted);
}

.pricing-feature--no::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--color-border);
  font-weight: 700;
}

.pricing-card__btn {
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  transition: background var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.pricing-card__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.pricing-card__btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.pricing-card__btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.pricing-card__btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: 2px solid var(--color-primary);
}

.pricing-card__btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  max-width: 400px;
  margin-inline: auto;
}

/* ================================================================
   CTA BAND
================================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 72px 0;
  color: #fff;
}

.cta-band-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
}

.cta-band__headline {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 10px;
}

.cta-band__sub {
  font-size: 1rem;
  opacity: 0.88;
}

@media (min-width: 960px) {
  .cta-band-inner {
    flex-direction: row;
    text-align: left;
    justify-content: space-between;
  }

  .btn-store-group--light {
    flex-shrink: 0;
  }
}

/* ================================================================
   FOOTER
================================================================ */
.site-footer {
  background: #1a1a1a;
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
}

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

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    flex-wrap: wrap;
    gap: 12px;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.footer-brand__icon {
  font-size: 1.2rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: center;
}

.footer-link {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}