/* ============================================================
   ChargeShare — Global Stylesheet
   Mobile-first | RTL Hebrew | Design tokens
   ============================================================ */

/* 1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Colors */
  --color-primary:       #1B3A6B;   /* Dark navy */
  --color-primary-light: #2B5BA8;   /* Hover / links */
  --color-primary-dark:  #0F2040;   /* Hero bg deep */
  --color-accent:        #16A34A;   /* Fresh green — CTA */
  --color-accent-hover:  #15803D;   /* CTA hover */
  --color-accent-glow:   rgba(22, 163, 74, 0.25);
  --color-surface:       #F8FAFC;   /* Page bg */
  --color-card:          #FFFFFF;
  --color-charcoal:      #1E293B;   /* Headings */
  --color-body:          #374151;   /* Body text */
  --color-muted:         #64748B;   /* Secondary text */
  --color-border:        #E2E8F0;
  --color-border-focus:  #2B5BA8;
  --color-error:         #DC2626;
  --color-error-bg:      #FEF2F2;
  --color-success:       #16A34A;

  /* Spacing scale (4px base) */
  --sp-1: 4px;  --sp-2: 8px;   --sp-3: 12px;  --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px;  --sp-8: 32px;  --sp-10: 40px;
  --sp-12: 48px;--sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  /* Typography */
  --font-family: 'Heebo', 'Arial Hebrew', Arial, sans-serif;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  clamp(2rem, 6vw, 3.5rem);

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:  0 10px 30px rgba(0,0,0,0.12), 0 4px 10px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 16px 40px rgba(27,58,107,0.14);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 250ms ease-out;
  --transition-slow: 400ms ease-out;
}

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

html {
  direction: rtl;
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-body);
  background: var(--color-surface);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Focus visible — keyboard nav */
*:focus-visible {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* 3. TYPOGRAPHY UTILITIES
   ============================================================ */
.text-display {
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-charcoal);
}

.text-h2 {
  font-size: clamp(1.5rem, 4vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-charcoal);
}

.text-h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-charcoal);
}

.text-lead {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-muted);
}

.text-muted { color: var(--color-muted); }
.text-center { text-align: center; }
.text-white { color: #fff; }

/* 4. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

.section {
  padding-block: var(--sp-16);
}

/* 5. HEADER / NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; inset-inline: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding-block: var(--sp-3);
}

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

.navbar__logo {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.navbar__logo svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.navbar__cta {
  display: none; /* shown on desktop */
}

@media (min-width: 768px) {
  .navbar__cta { display: inline-flex; }
}

/* 6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  border-radius: var(--radius-pill);
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
  touch-action: manipulation;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px var(--color-accent-glow);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--color-accent-glow);
  text-decoration: none;
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

.btn-lg {
  padding: var(--sp-4) var(--sp-10);
  font-size: var(--text-lg);
  min-height: 56px;
}

.btn-full { width: 100%; }

/* CTA pulse animation */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 14px var(--color-accent-glow); }
  50% { box-shadow: 0 4px 28px rgba(22,163,74,0.45); }
}

.btn-pulse {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* Loading / disabled state */
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* 7. HERO SECTION
   ============================================================ */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  background: linear-gradient(145deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #1e4a8a 100%);
  position: relative;
  overflow: hidden;
  padding-top: 80px; /* navbar offset */
  padding-bottom: var(--sp-12);
}

/* Subtle grid pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* Green accent blob */
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(22,163,74,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  gap: var(--sp-10);
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: rgba(22,163,74,0.15);
  border: 1px solid rgba(22,163,74,0.4);
  color: #4ade80;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  width: fit-content;
}

.hero__title {
  font-size: clamp(2.2rem, 7vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: var(--sp-4);
}

.hero__title span { color: #4ade80; }

.hero__subtitle {
  font-size: clamp(1rem, 3vw, 1.25rem);
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: var(--sp-8);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.hero__actions .btn { justify-content: center; }

.hero__stats {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
  margin-top: var(--sp-4);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.58);
  font-weight: 500;
}

.hero__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.08);
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
  max-height: 420px;
}

@media (min-width: 768px) {
  .hero__actions { flex-direction: row; }
  .hero__actions .btn { justify-content: flex-start; }
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
  .hero__image-wrap img { max-height: none; min-height: 480px; }
}

/* 8. SECTION: PROBLEM & SOLUTION
   ============================================================ */
.problem-solution {
  background: var(--color-card);
}

.ps__grid {
  display: grid;
  gap: var(--sp-4);
}

.ps__card {
  border-radius: var(--radius-md);
  padding: var(--sp-8);
  border: 1px solid var(--color-border);
}

.ps__card--problem {
  background: var(--color-primary);
  color: rgba(255,255,255,0.9);
  border-color: var(--color-primary);
}

.ps__card--solution {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-color: #bbf7d0;
}

.ps__label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-4);
}

.ps__label--problem {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.75);
}

.ps__label--solution {
  background: rgba(22,163,74,0.1);
  color: var(--color-accent-hover);
}

.ps__card--problem h3 { color: #fff; margin-bottom: var(--sp-3); }
.ps__card--solution h3 { color: var(--color-primary); margin-bottom: var(--sp-3); }
.ps__card--problem p { color: rgba(255,255,255,0.78); line-height: 1.7; }
.ps__card--solution p { color: var(--color-charcoal); line-height: 1.7; }

@media (min-width: 768px) {
  .ps__grid { grid-template-columns: 1fr 1fr; }
}

/* 9. SECTION: VALUE PROPOSITION CARDS
   ============================================================ */
.value {
  background: var(--color-surface);
}

.section__header {
  text-align: center;
  margin-bottom: var(--sp-12);
}

.section__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-hover);
  background: rgba(22,163,74,0.08);
  padding: var(--sp-1) var(--sp-4);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-3);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-top: var(--sp-3);
  line-height: 1.7;
}

.value__grid {
  display: grid;
  gap: var(--sp-4);
}

.value-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-8) var(--sp-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 4px;
  height: 100%;
  background: var(--card-accent, var(--color-primary));
  border-radius: 0 0 0 0;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.value-card--host   { --card-accent: #2B5BA8; }
.value-card--driver { --card-accent: #16A34A; }
.value-card--community { --card-accent: #7C3AED; }

.value-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-5);
  background: var(--icon-bg, rgba(27,58,107,0.08));
  color: var(--card-accent, var(--color-primary));
}

.value-card--host .value-card__icon     { --icon-bg: rgba(43,91,168,0.1); }
.value-card--driver .value-card__icon   { --icon-bg: rgba(22,163,74,0.1); }
.value-card--community .value-card__icon{ --icon-bg: rgba(124,58,237,0.1); }

.value-card__title { font-size: var(--text-xl); font-weight: 700; color: var(--color-charcoal); margin-bottom: var(--sp-2); }
.value-card__role  { font-size: var(--text-sm); font-weight: 500; color: var(--color-muted); margin-bottom: var(--sp-4); }
.value-card__body  { color: var(--color-body); line-height: 1.7; }

@media (min-width: 768px) {
  .value__grid { grid-template-columns: repeat(3, 1fr); }
}

/* 10. SECTION: HOW IT WORKS
   ============================================================ */
.how {
  background: var(--color-primary);
  color: #fff;
}

.how .section__header { text-align: center; margin-bottom: var(--sp-12); }
.how .text-h2 { color: #fff; }
.how .section__subtitle { color: rgba(255,255,255,0.65); }
.how .section__tag { background: rgba(255,255,255,0.1); color: #86efac; }

.steps {
  display: grid;
  gap: var(--sp-4);
  position: relative;
}

.step {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}

.step__number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-lg);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step__title { font-size: var(--text-lg); font-weight: 700; color: #fff; margin-bottom: var(--sp-1); }
.step__body  { font-size: var(--text-sm); color: rgba(255,255,255,0.68); line-height: 1.6; }

@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* 11. SECTION: FORM
   ============================================================ */
.form-section {
  background: linear-gradient(180deg, var(--color-surface) 0%, #eef2ff 100%);
}

.form-wrap {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-8) var(--sp-6);
  max-width: 640px;
  margin-inline: auto;
  border: 1px solid var(--color-border);
}

/* User type toggle */
.user-type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
  background: var(--color-surface);
  padding: var(--sp-1);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.user-type-toggle input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.user-type-toggle label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-2);
  border-radius: calc(var(--radius-md) - 4px);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-muted);
  text-align: center;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.3;
  min-height: 56px;
}

.user-type-toggle input[type="radio"]:checked + label {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.user-type-toggle input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Form fields */
.form-group {
  margin-bottom: var(--sp-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: var(--sp-2);
}

.form-group .required { color: var(--color-error); margin-inline-start: 2px; }

.form-control {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--color-charcoal);
  background: #fff;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 50px;
  direction: rtl;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(43,91,168,0.12);
}

.form-control.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
  padding-top: var(--sp-3);
}

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--sp-1);
  font-weight: 500;
}

.form-error.visible { display: block; }

/* Price range radio */
.price-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-2);
}

.price-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.price-option label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-2) var(--sp-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  color: var(--color-muted);
  min-height: 40px;
  white-space: nowrap;
}

.price-option input[type="radio"]:checked + label {
  border-color: var(--color-accent);
  background: rgba(22,163,74,0.08);
  color: var(--color-accent-hover);
  font-weight: 600;
}

.price-option input[type="radio"]:focus-visible + label {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Submit area */
.form-submit-wrap { margin-top: var(--sp-6); }

.form-privacy {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-align: center;
  margin-top: var(--sp-3);
  line-height: 1.5;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

@keyframes spin { to { transform: rotate(360deg); } }

.btn.is-loading .spinner { display: block; }
.btn.is-loading .btn-text { display: none; }

/* Success state */
.form-success {
  display: none;
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
}

.form-success.visible { display: flex; flex-direction: column; align-items: center; gap: var(--sp-4); }

.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(22,163,74,0.1);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.success-title { font-size: var(--text-2xl); font-weight: 800; color: var(--color-charcoal); }
.success-body  { color: var(--color-muted); line-height: 1.7; max-width: 400px; }

/* 12. FOOTER
   ============================================================ */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.65);
  padding-block: var(--sp-10);
  text-align: center;
}

.footer__logo {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--sp-2);
}

.footer__tagline {
  font-size: var(--text-base);
  font-weight: 600;
  color: #4ade80;
  margin-bottom: var(--sp-6);
  letter-spacing: 0.02em;
}

.footer__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  margin-top: var(--sp-4);
}

/* 13. SCROLL-IN ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 350ms ease-out, transform 350ms ease-out;
}

.reveal-stagger.is-visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 160ms; }

/* 14. UTILITY CLASSES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.divider {
  height: 1px;
  background: var(--color-border);
  margin-block: var(--sp-6);
}

.mt-auto { margin-top: auto; }