/* =============================================
   BIRCOIN — Main Stylesheet
   ============================================= */

/* ----------- CSS Variables ----------- */
:root {
  --green-dark:    #1b4332;
  --green-primary: #2d6a4f;
  --green-mid:     #40916c;
  --green-light:   #74c69d;
  --green-pale:    #d8f3dc;
  --gold:          #e9c46a;
  --gold-dark:     #c9a227;
  --gold-light:    #fef3c7;
  --cream:         #f8f5f0;
  --cream-dark:    #ede8e0;
  --brown-light:   #c9b99a;
  --text-dark:     #1a1a2e;
  --text-mid:      #374151;
  --text-light:    #6b7280;
  --white:         #ffffff;
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.07);
  --shadow-md:     0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.13);
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     24px;
  --radius-xl:     36px;
  --transition:    all 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-body:     'Inter', system-ui, sans-serif;
  --font-display:  'Playfair Display', Georgia, serif;
}

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

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

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

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

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

ul { list-style: none; }

/* ----------- Utility ----------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-dark {
  background: var(--green-dark);
  color: var(--white);
}

.section-green {
  background: linear-gradient(135deg, var(--green-primary) 0%, var(--green-dark) 100%);
  color: var(--white);
}

.section-cream {
  background: var(--cream-dark);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section-tag-light {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-title-light { color: var(--white); }

.section-desc {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto;
}

.section-desc-light { color: rgba(255,255,255,0.75); }

/* ----------- Buttons ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-primary);
  color: var(--white);
  border-color: var(--green-primary);
  box-shadow: 0 4px 18px rgba(45,106,79,0.35);
}

.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(45,106,79,0.45);
}

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

.btn-outline:hover {
  background: var(--green-primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

.btn-lg {
  padding: 17px 36px;
  font-size: 1.05rem;
}

/* ----------- Reveal animations ----------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--delay, 0s);
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248,245,240,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(248,245,240,0.97);
}

.nav-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--green-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  padding: 6px 12px;
  border-radius: 100px;
  transition: var(--transition);
}

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

.nav-cta {
  background: var(--green-primary) !important;
  color: var(--white) !important;
  padding: 8px 18px !important;
  box-shadow: 0 2px 10px rgba(45,106,79,0.28);
}

.nav-cta:hover {
  background: var(--green-dark) !important;
  transform: translateY(-1px);
}

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 24px 20px;
  border-top: 1px solid rgba(0,0,0,0.06);
  gap: 4px;
}

.nav-mobile a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-mid);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-mobile a:hover { background: var(--green-pale); color: var(--green-primary); }

.nav-mobile .nav-cta-mobile {
  background: var(--green-primary);
  color: var(--white) !important;
  text-align: center;
  margin-top: 8px;
  border-radius: 100px;
}

.nav-mobile.open { display: flex; }

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(
    160deg,
    #e8f5e9 0%,
    #d4edda 20%,
    #c8e6c9 40%,
    #b2dfdb 60%,
    #a8d8b0 80%,
    #81c784 100%
  );
  background-size: 400% 400%;
  animation: heroGradient 12s ease infinite;
  padding-top: 68px;
}

@keyframes heroGradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Grass layers */
.hero-grass {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 160px;
  pointer-events: none;
}

.grass-layer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%;
}

.grass-back {
  background: linear-gradient(to top, #2d6a4f 0%, #40916c 40%, transparent 100%);
  opacity: 0.4;
}

.grass-mid {
  background: linear-gradient(to top, #1b4332 0%, #2d6a4f 50%, transparent 100%);
  clip-path: polygon(
    0% 100%, 0% 70%, 2% 45%, 4% 65%, 6% 40%, 8% 60%, 10% 35%,
    12% 55%, 14% 30%, 16% 50%, 18% 25%, 20% 48%, 22% 22%,
    24% 45%, 26% 18%, 28% 42%, 30% 15%, 32% 40%, 34% 12%,
    36% 38%, 38% 10%, 40% 35%, 42% 8%, 44% 32%, 46% 5%,
    48% 30%, 50% 8%, 52% 32%, 54% 5%, 56% 28%, 58% 6%,
    60% 30%, 62% 8%, 64% 34%, 66% 10%, 68% 36%, 70% 12%,
    72% 38%, 74% 15%, 76% 40%, 78% 18%, 80% 42%, 82% 20%,
    84% 45%, 86% 22%, 88% 48%, 90% 25%, 92% 50%, 94% 28%,
    96% 52%, 98% 30%, 100% 55%, 100% 100%
  );
}

.grass-front {
  background: linear-gradient(to top, #1b4332 0%, #2d6a4f 60%, transparent 100%);
  clip-path: polygon(
    0% 100%, 0% 80%, 3% 55%, 6% 75%, 9% 50%, 12% 70%, 15% 45%,
    18% 68%, 21% 42%, 24% 65%, 27% 38%, 30% 60%, 33% 35%,
    36% 58%, 39% 32%, 42% 55%, 45% 28%, 48% 52%, 51% 25%,
    54% 50%, 57% 22%, 60% 48%, 63% 20%, 66% 45%, 69% 18%,
    72% 42%, 75% 15%, 78% 40%, 81% 18%, 84% 44%, 87% 20%,
    90% 46%, 93% 22%, 96% 48%, 100% 25%, 100% 100%
  );
  opacity: 0.85;
}

/* Sheep field */
.hero-sheep-field {
  position: absolute;
  bottom: 80px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-around;
  padding: 0 10%;
  pointer-events: none;
}

.sheep {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  animation: sheepBounce linear infinite;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.15));
}

.sheep-1 { animation-duration: 4.2s; animation-delay: 0s; }
.sheep-2 { animation-duration: 3.8s; animation-delay: 0.7s; }
.sheep-3 { animation-duration: 5.1s; animation-delay: 1.4s; }
.sheep-4 { animation-duration: 4.5s; animation-delay: 0.3s; }
.sheep-5 { animation-duration: 3.6s; animation-delay: 1.9s; }

@keyframes sheepBounce {
  0%, 100% { transform: translateY(0) scaleX(1); }
  25%       { transform: translateY(-8px) scaleX(1); }
  50%       { transform: translateY(0) scaleX(1); }
  75%       { transform: translateY(-4px) scaleX(1); }
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 24px 180px;
  max-width: 820px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(6px);
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.5);
  animation: fadeDown 0.8s ease forwards;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  color: var(--green-dark);
  line-height: 1.12;
  margin-bottom: 22px;
  animation: fadeUp 0.9s ease 0.15s both;
}

.hero-title-accent {
  color: #d62828;
  position: relative;
}

.hero-title-grow {
  color: var(--green-primary);
  position: relative;
  display: inline-block;
}

.hero-title-grow::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold);
  border-radius: 2px;
  animation: growLine 1s ease 1s both;
  transform-origin: left;
}

@keyframes growLine {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-mid);
  margin-bottom: 32px;
  line-height: 1.7;
  animation: fadeUp 0.9s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  margin-bottom: 32px;
  border: 1px solid rgba(255,255,255,0.5);
  animation: fadeUp 0.9s ease 0.45s both;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}

.hero-stat span:first-child,
.hero-stat-num {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  color: var(--green-primary);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-stat > span:nth-child(2) {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--green-primary);
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 4px;
  text-align: center;
}

.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(0,0,0,0.1);
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.9s ease 0.6s both;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.7;
  animation: fadeIn 1s ease 1.5s both;
  z-index: 3;
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--green-dark);
  border-bottom: 2px solid var(--green-dark);
  transform: rotate(45deg);
  animation: scrollBounce 1.4s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 48px;
}

.step-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--green-light);
}

.step-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--green-light);
  margin-bottom: 12px;
}

.step-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  line-height: 1;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
}

.step-arrow {
  font-size: 2rem;
  color: var(--green-light);
  display: flex;
  align-items: center;
  padding-top: 32px;
  font-weight: 300;
}

/* Timeline */
.timeline-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 32px;
  box-shadow: var(--shadow-sm);
  gap: 0;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.timeline-item span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}

.tl-end span {
  color: var(--green-primary);
  font-weight: 700;
}

.tl-dot {
  width: 14px;
  height: 14px;
  background: var(--green-light);
  border-radius: 50%;
  border: 2px solid var(--green-primary);
}

.tl-dot-end {
  background: var(--gold);
  border-color: var(--gold-dark);
  width: 18px;
  height: 18px;
}

.timeline-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--green-light), var(--green-primary));
  min-width: 40px;
  margin-bottom: 22px;
}

/* ============================================
   CALCULATOR
   ============================================ */
.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.calc-group {
  margin-bottom: 28px;
}

.calc-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}

.calc-label strong { color: var(--gold); font-size: 1.1rem; }

/* Toggle group */
.toggle-group {
  display: flex;
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  padding: 4px;
  gap: 4px;
  border: 1px solid rgba(255,255,255,0.1);
}

.toggle-btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: rgba(255,255,255,0.6);
}

.toggle-btn.active {
  background: var(--gold);
  color: var(--text-dark);
  box-shadow: 0 2px 10px rgba(233,196,106,0.35);
}

/* Slider */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 100px;
  background: rgba(255,255,255,0.15);
  outline: none;
  margin-bottom: 10px;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: var(--transition);
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-slider::-webkit-slider-runnable-track {
  border-radius: 100px;
}

.slider-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  font-weight: 500;
}

/* Scenario group */
.scenario-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.scenario-option { cursor: pointer; }

.scenario-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.scenario-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  transition: var(--transition);
  cursor: pointer;
}

.scenario-option input:checked + .scenario-btn {
  border-color: var(--gold);
  background: rgba(233,196,106,0.12);
}

.scenario-btn:hover {
  background: rgba(255,255,255,0.1);
}

.scenario-icon { font-size: 1.3rem; }

.scenario-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
  flex: 1;
}

.scenario-roi {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
}

/* Calc results */
.calc-results {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.result-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: var(--transition);
}

.result-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.result-value {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.result-profit {
  background: rgba(233,196,106,0.12);
  border-color: rgba(233,196,106,0.3);
}

.result-profit-val { color: var(--gold); }

.result-roi {
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 600;
  margin-top: 4px;
}

.result-note {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.5;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  border-left: 2px solid rgba(233,196,106,0.4);
}

/* ============================================
   WHY BIRCOIN — Comparison Table
   ============================================ */
.comparison-table {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
}

.comp-header, .comp-row {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1.4fr 1.4fr;
}

.comp-header {
  background: var(--green-dark);
  color: var(--white);
}

.comp-cell {
  padding: 14px 18px;
  font-size: 0.9rem;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.comp-header .comp-cell {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.comp-row {
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
}

.comp-row:last-child { border-bottom: none; }
.comp-row:hover { background: #f0faf4; }

.comp-feature-col {
  font-weight: 600;
  color: var(--text-mid);
  background: var(--cream);
}

.comp-bircoin {
  background: rgba(45,106,79,0.05);
  border-left: 3px solid var(--green-primary) !important;
}

.comp-header .comp-bircoin {
  background: var(--green-primary);
  font-weight: 800;
  font-size: 0.95rem;
  border-left: none !important;
}

.comp-good { color: var(--green-primary); font-weight: 700; }
.comp-neutral { color: var(--text-light); }
.comp-bad { color: #9ca3af; }

/* Halal banner */
.halal-banner {
  display: flex;
  align-items: center;
  gap: 24px;
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  color: var(--white);
}

.halal-icon {
  font-size: 3rem;
  flex-shrink: 0;
}

.halal-text { flex: 1; }

.halal-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--gold);
}

.halal-text p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.6;
}

.halal-badge {
  background: var(--gold);
  color: var(--green-dark);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 8px 18px;
  border-radius: 100px;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

/* ============================================
   TRANSPARENCY
   ============================================ */
.transparency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trans-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.trans-card:hover {
  background: rgba(255,255,255,0.16);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.trans-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.trans-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.trans-card p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.6;
}

/* ============================================
   INVESTMENT OPTIONS
   ============================================ */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 820px;
  margin: 0 auto 24px;
}

.option-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--green-primary);
  position: relative;
  transition: var(--transition);
}

.option-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(45,106,79,0.2);
}

.option-card-secondary {
  border-color: var(--cream-dark);
  box-shadow: var(--shadow-md);
}

.option-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--text-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.option-icon { font-size: 3rem; margin-bottom: 12px; }

.option-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--green-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.option-subtitle {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.option-price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--green-primary);
  line-height: 1;
  margin-bottom: 2px;
}

.option-price span { font-size: 1.6rem; }

.option-price-sub {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 22px;
}

.option-features {
  margin-bottom: 22px;
}

.option-features li {
  font-size: 0.9rem;
  color: var(--text-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--cream-dark);
  line-height: 1.5;
}

.option-features li:last-child { border-bottom: none; }

.option-roi {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-primary);
  background: var(--green-pale);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  text-align: center;
}

.options-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   ROI SCENARIOS
   ============================================ */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.scenario-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}

.scenario-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.scenario-base {
  border-color: var(--green-primary);
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.scenario-base:hover { transform: scale(1.02) translateY(-6px); }

.scenario-badge-featured {
  background: var(--green-primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  padding: 6px;
  letter-spacing: 0.04em;
}

.scenario-header-card {
  padding: 22px 24px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--cream-dark);
}

.scenario-emoji { font-size: 2rem; }

.scenario-header-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
}

.scenario-body {
  padding: 20px 24px;
}

.scenario-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--cream-dark);
  font-size: 0.9rem;
}

.scenario-row:last-child { border-bottom: none; }
.scenario-row span { color: var(--text-light); }
.scenario-row strong { color: var(--text-dark); font-weight: 700; }

.scenario-divider {
  height: 1px;
  background: var(--cream-dark);
  margin: 8px 0;
}

.scenario-roi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0 4px;
  font-size: 1rem;
  font-weight: 700;
}

.scenario-roi-row span { color: var(--text-mid); }

.roi-value { font-size: 1.4rem; font-weight: 900; }
.roi-low   { color: #e67e22; }
.roi-base  { color: var(--green-primary); }
.roi-high  { color: #16a34a; }

.scenario-note {
  padding: 12px 24px 16px;
  font-size: 0.78rem;
  color: var(--text-light);
  border-top: 1px solid var(--cream-dark);
  font-style: italic;
}

/* Cost breakdown */
.cost-breakdown {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
}

.cost-breakdown h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 24px;
}

.cost-bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cost-bar-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cost-bar-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
  width: 180px;
  flex-shrink: 0;
}

.cost-total {
  color: var(--text-dark);
  font-weight: 700;
}

.cost-bar-track {
  flex: 1;
  height: 28px;
  background: var(--cream-dark);
  border-radius: 100px;
  overflow: hidden;
}

.cost-bar-fill {
  height: 100%;
  width: var(--width);
  background: var(--green-mid);
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--white);
  animation: barGrow 1.2s ease both;
  transform-origin: left;
}

.cost-bar-2    { background: var(--green-light); }
.cost-bar-3    { background: var(--brown-light); }
.cost-bar-total {
  background: linear-gradient(90deg, var(--green-dark), var(--green-primary));
}

@keyframes barGrow {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

/* ============================================
   LEGAL & TRUST
   ============================================ */
.legal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.legal-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.05);
  transition: var(--transition);
  text-align: center;
}

.legal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.legal-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.legal-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.legal-card p {
  font-size: 0.83rem;
  color: var(--text-light);
  line-height: 1.6;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.trust-badge {
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(45,106,79,0.2);
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.05);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
  transition: var(--transition);
  gap: 12px;
}

.faq-question:hover { background: var(--cream); }

.faq-item.open .faq-question { color: var(--green-primary); }

.faq-chevron {
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--green-primary);
  flex-shrink: 0;
  transition: transform 0.3s ease;
  line-height: 1;
}

.faq-item.open .faq-chevron {
  transform: rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer.open {
  max-height: 400px;
  padding-bottom: 8px;
}

.faq-answer p {
  padding: 4px 24px 18px;
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
  border-top: 1px solid var(--cream-dark);
  padding-top: 16px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, #0d2c1e 100%);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(233,196,106,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content { position: relative; z-index: 1; }

.cta-sheep-anim {
  font-size: 2.5rem;
  margin-bottom: 20px;
  animation: sheepWalk 3s linear infinite;
}

@keyframes sheepWalk {
  0%   { letter-spacing: 0.05em; }
  50%  { letter-spacing: 0.3em; }
  100% { letter-spacing: 0.05em; }
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0a1a10;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 1rem;
  color: var(--white);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
}

.footer-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  font-style: italic;
}

.footer-links-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-links-col li {
  margin-bottom: 8px;
}

.footer-links-col a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}

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

.footer-contact h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-contact p {
  font-size: 0.88rem;
  margin-bottom: 8px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--green-primary);
  transform: translateY(-2px);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  margin-bottom: 4px;
}

.footer-disclaimer {
  font-size: 0.72rem !important;
  color: rgba(255,255,255,0.2) !important;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 0.7; }
}

/* ============================================
   RESPONSIVE — Tablet (≤900px)
   ============================================ */
@media (max-width: 900px) {
  .section { padding: 72px 0; }

  .nav-links { display: none; }
  .nav-burger { display: flex; }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .step-arrow { display: none; }

  .calc-wrapper {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .comparison-table {
    overflow-x: auto;
  }

  .comp-header, .comp-row {
    min-width: 520px;
  }

  .halal-banner {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
  }

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

  .options-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }

  .scenarios-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin: 0 auto 48px;
  }

  .scenario-base { transform: none; }
  .scenario-base:hover { transform: translateY(-6px); }

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

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

  .footer-brand { grid-column: 1 / -1; }
}

/* ============================================
   RESPONSIVE — Mobile (≤600px)
   ============================================ */
@media (max-width: 600px) {
  .section { padding: 56px 0; }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px 24px;
  }

  .hero-stat-divider {
    width: 100%;
    height: 1px;
  }

  .hero-stat { padding: 0; }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn { width: 100%; justify-content: center; }

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

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

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

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

  .footer-brand { grid-column: auto; }

  .timeline-bar {
    overflow-x: auto;
    padding: 20px 16px;
  }

  .timeline-line { min-width: 20px; }

  .calc-wrapper { padding: 20px; }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-actions .btn { width: 100%; justify-content: center; }

  .cost-bar-label { width: 120px; font-size: 0.78rem; }

  .comp-bircoin { border-left: 2px solid var(--green-primary) !important; }
}