/* ============================================================
   style.css — EarnStack (cleaned + trust/QoL upgrades)
   Mobile-first responsive stylesheet.
============================================================ */

/* ============================================================
  1. CSS CUSTOM PROPERTIES (design tokens)
============================================================ */
:root {
  /* EarnStack pivot palette */
  --color-bg-dark: #0F172A;
  --color-gray: #94A3B8;
  --color-teal: #14B8A6;
  --color-offwhite: #E5E7EB;

  /* Accent color */
  --color-accent: #10B981;
  --color-accent-dark: #0EA371;
  --color-accent-light: #ECFDF5;

  /* Neutral palette */
  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-text-inverse: #ffffff;

  /* Pros / cons colors (used on survey-sites page) */
  --color-pro: #15803d;
  --color-pro-light: #dcfce7;
  --color-con: #b91c1c;
  --color-con-light: #fee2e2;

  /* Typography */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-body: 1.65;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radii */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.07), 0 1px 2px -1px rgb(0 0 0 / 0.07);
  --shadow-md: 0 4px 12px 0 rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 24px -3px rgb(0 0 0 / 0.10), 0 4px 8px -4px rgb(0 0 0 / 0.07);

  /* Transitions */
  --transition: 0.18s ease;

  /* Max content width */
  --max-width: 1100px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: underline;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-dark);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

ul,
ol {
  list-style: none;
}

/* ============================================================
  3. TYPOGRAPHY
============================================================ */
h1, h2, h3, h4 {
  line-height: 1.25;
  color: var(--color-text);
  font-weight: 700;
}

h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 4vw, 2rem); }
h3 { font-size: clamp(1.05rem, 3vw, 1.25rem); }

.section-sub {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: var(--space-3);
  max-width: 60ch;
}

.label {
  font-weight: 600;
  color: var(--color-text);
}

.note {
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ============================================================
  4. LAYOUT UTILITIES
============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.bg-light {
  background-color: var(--color-bg-light);
}

/* ============================================================
  5. BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition),
    border-color var(--transition),
    color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: var(--color-text-inverse);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

/* ============================================================
  6. HEADER / NAVIGATION
============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.75rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo:hover,
.logo:focus-visible {
  color: var(--color-text);
}

.brand-icon {
  height: 2rem;
  width: 2rem;
  max-width: 2rem;
  max-height: 2rem;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  line-height: 1;
}

.nav-list {
  display: none;
  gap: var(--space-6);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding-bottom: var(--space-1);
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ============================================================
  7. MOBILE NAVIGATION
============================================================ */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.hamburger:focus-visible {
  outline: 3px solid var(--color-accent);
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-bg-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-list .nav-link {
  display: block;
  padding: var(--space-3) 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list li:last-child .nav-link {
  border-bottom: none;
}

/* ============================================================
  8. HERO SECTION
============================================================ */
.hero {
  background: radial-gradient(1200px 500px at 20% 10%, rgba(20,184,166,0.18), transparent 60%),
             radial-gradient(900px 450px at 80% 0%, rgba(16,185,129,0.16), transparent 55%),
             linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  padding: var(--space-16) 0 var(--space-12);
  text-align: center;
}

.hero-inner {
  max-width: 760px;
}

.kicker {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: var(--space-4);
}

.hero-sub {
  margin-top: var(--space-4);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-inline: auto;
  line-height: 1.7;
}

.last-updated {
  margin-top: var(--space-4);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-8);
}

.mini-disclosure {
  margin-top: var(--space-4);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ============================================================
  9. SECTION BASE STYLES
============================================================ */
.section {
  padding: var(--space-16) 0;
}

.section h2 {
  text-align: center;
}

.section .section-sub {
  text-align: center;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-cta {
  margin-top: var(--space-12);
  text-align: center;
}

/* ============================================================
  10. SURVEY SITE CARDS
============================================================ */
.cards-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

.card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card-body {
  flex: 1;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.card-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card-meta {
  display: grid;
  gap: 0.4rem;
  margin-top: var(--space-2);
}

.card-best-for,
.card-region,
.card-detail {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  white-space: nowrap;
}

.badge--canada {
  background: #ecfeff;
  border-color: #cffafe;
  color: #0f766e;
}

.badge--neutral {
  background: rgba(16, 185, 129, 0.10);
  border-color: rgba(16, 185, 129, 0.28);
  color: var(--color-accent-dark);
}

/* ============================================================
  11. HOW IT WORKS STEPS
============================================================ */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-top: var(--space-4);
}

.step {
  display: flex;
  gap: var(--space-6);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: 1.15rem;
  font-weight: 700;
  border-radius: 50%;
}

.step-content h3 {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
}

.step-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ============================================================
  12. WHY EARNSTACK FEATURES GRID + SAFETY
============================================================ */
.features-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  margin-top: var(--space-4);
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-icon {
  font-size: 2rem;
  line-height: 1;
}

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

.safety-box {
  margin-top: var(--space-12);
  margin-bottom: var(--space-8);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.safety-title {
  font-size: 1.05rem;
  margin-bottom: var(--space-3);
}

.safety-list {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.25rem;
  list-style: disc;
  color: var(--color-text-muted);
}

/* ============================================================
  13. FAQ
============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.faq-item {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6);
}

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

.faq-question {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--space-3);
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.faq-answer a {
  font-weight: 600;
}

/* ============================================================
  14. DISCLOSURE
============================================================ */
.disclosure-box {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.disclosure-box p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
  15. FOOTER
============================================================ */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
}

.footer-brand .logo {
  color: var(--color-text-inverse);
  display: flex;
  margin-bottom: var(--space-2);
}

.footer-tagline {
  font-size: 0.875rem;
  color: #94a3b8;
  max-width: 36ch;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.footer-nav a,
.footer-contact a {
  font-size: 0.875rem;
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-nav a:hover,
.footer-nav a:focus-visible,
.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--color-text-inverse);
}

.footer-bottom {
  background-color: #0B1224;
  padding: var(--space-4) 0;
}

.footer-bottom .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.copyright {
  font-size: 0.825rem;
  color: #94a3b8;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.55;
  max-width: 70ch;
}

/* ============================================================
  16. MEDIA QUERIES
============================================================ */
@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .nav-list {
    display: flex;
  }
  .hamburger {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
  .footer-bottom .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}


/* ============================================================
 17. HOW GRAPHIC (responsive image block)
============================================================ */
.how-graphic{
  margin-top: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: #fff;
  border: 1px solid var(--color-border);
}
.how-graphic img{
  width: 100%;
  height: auto;
  display:block;
}

/* ============================================================
  18. DISCLAIMER BANNER (survey-sites page)
============================================================ */
.disclaimer-banner {
  background-color: #fefce8;
  border-bottom: 1px solid #fde68a;
  padding: var(--space-3) 0;
}

.disclaimer-banner .container {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.disclaimer-banner__icon {
  flex-shrink: 0;
  font-size: 1rem;
  margin-top: 0.15rem;
}

.disclaimer-banner__text {
  font-size: 0.875rem;
  color: #92400e;
  line-height: 1.6;
}

.disclaimer-banner__text a {
  color: #92400e;
  font-weight: 600;
}

.disclaimer-banner__text a:hover {
  color: #451a03;
}

/* ============================================================
  19. OFFER CARDS (banking / cashback specific)
============================================================ */
.offer-cards {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  margin-top: var(--space-8);
}

.offer-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.offer-card__body {
  flex: 1;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.offer-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* ── Offer Card Image ─────────────────────────────────────── */
.offer-card__image {
  background: #f8fafc;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.offer-card__image img {
  width: 85%;
  max-width: 240px;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18), 0 1px 4px rgba(0, 0, 0, 0.10);
  transition: transform var(--transition);
}

.offer-card:hover .offer-card__image img {
  transform: scale(1.03);
}

.offer-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.offer-card__summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.offer-card__meta {
  display: grid;
  gap: 0.4rem;
  margin-top: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.offer-card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-light);
  text-align: center;
}

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

@media (min-width: 1024px) {
  .offer-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
  20. STARTER STACK BLOCK
============================================================ */
.starter-stack {
  background: linear-gradient(135deg, rgba(16,185,129,0.06) 0%, rgba(20,184,166,0.06) 100%);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.starter-stack__step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.starter-stack__badge {
  flex-shrink: 0;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
  margin-top: 0.2rem;
}

.starter-stack__badge--cashback {
  background-color: var(--color-teal);
}

.starter-stack__badge--optional {
  background-color: var(--color-gray);
  color: #1e293b;
}

.starter-stack__content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.starter-stack__content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}