:root {
  --navy: #1a2744;
  --navy-light: #243358;
  --green: #6aaa2a;
  --green-dark: #558a20;
  --green-light: #e8f4d9;
  --white: #ffffff;
  --gray: #f5f6f8;
  --text: #2d3748;
  --muted: #718096;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--text);
  overflow-x: hidden;
}

/* NAV */
nav {
  background: var(--white);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 80px;
  width: auto;
  object-fit: contain;
}

nav .nav-tagline {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, #1e3d20 100%);
  padding: 90px 40px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106,170,42,0.15) 0%, transparent 70%);
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(106,170,42,0.1) 0%, transparent 70%);
}

.hero-badge {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  animation: fadeDown 0.6s ease both;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--white);
  line-height: 1.15;
  max-width: 720px;
  margin: 0 auto 20px;
  animation: fadeUp 0.7s 0.1s ease both;
}

.hero h1 .accent { color: var(--green); }

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.72);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
  animation: fadeUp 0.7s 0.3s ease both;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.4rem;
  color: var(--green);
  font-weight: 900;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* FORM CARD */
.form-card {
  background: var(--white);
  border-radius: 20px;
  padding: 44px 40px;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 30px 80px rgba(0,0,0,0.35);
  animation: fadeUp 0.8s 0.35s ease both;
  position: relative;
  z-index: 2;
}

.form-card h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-card p {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.field {
  margin-bottom: 16px;
  text-align: left;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, select, textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: #fafafa;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(106,170,42,0.12);
  background: var(--white);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.15s;
}

.btn-submit:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 14px;
}

/* HOW IT WORKS */
.section {
  padding: 80px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--navy);
  max-width: 560px;
  line-height: 1.25;
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.step {
  position: relative;
}

.step-num {
  width: 48px; height: 48px;
  background: var(--green-light);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--green-dark);
  font-weight: 900;
  margin-bottom: 18px;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* SAVINGS CALCULATOR */
.calc-section {
  background: var(--gray);
  padding: 80px 40px;
}

.calc-inner {
  max-width: 820px;
  margin: 0 auto;
}

.calc-box {
  background: var(--white);
  border-radius: 20px;
  padding: 44px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.calc-left h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 8px;
}

.calc-left p {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.range-wrap label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.range-wrap label span {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--green);
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  border: none;
  box-shadow: none;
  padding: 0;
  margin-bottom: 0;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px; height: 22px;
  background: var(--green);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(106,170,42,0.4);
}

.calc-right {
  background: var(--navy);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
}

.calc-right .savings-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.calc-right .savings-amount {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  color: var(--green);
  font-weight: 900;
  display: block;
  margin-bottom: 4px;
}

.calc-right .savings-sub {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 24px;
}

.compare-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 16px;
  margin-top: 8px;
  gap: 12px;
}

.compare-item {
  text-align: center;
  flex: 1;
}

.compare-item .c-val {
  display: block;
  font-weight: 600;
  color: var(--white);
  font-size: 1rem;
}

.compare-item .c-label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}

.compare-item.highlight .c-val { color: var(--green); }

/* WHY */
.why-section {
  background: var(--navy);
  padding: 80px 40px;
}

.why-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.why-inner .section-label { color: var(--green); }
.why-inner .section-title { color: var(--white); margin: 0 auto 48px; max-width: 640px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.why-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: left;
  transition: background 0.2s;
}

.why-card:hover { background: rgba(255,255,255,0.08); }

.why-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  display: block;
}

.why-card h4 {
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.why-card p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

/* FOOTER CTA */
.footer-cta {
  padding: 80px 40px;
  text-align: center;
  background: var(--green-light);
}

.footer-cta h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--navy);
  margin-bottom: 12px;
}

.footer-cta p {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

.btn-cta {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  padding: 16px 36px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-cta:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
}

footer {
  background: var(--white);
  padding: 24px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer .logo-text { font-size: 1.1rem; color: var(--navy); }
footer p { font-size: 0.85rem; color: var(--muted); font-weight: 500; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* SUCCESS */
.success-msg {
  display: none;
  text-align: center;
  padding: 20px 0;
}

.success-msg .check {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
}

.success-msg h3 {
  font-family: 'Playfair Display', serif;
  color: var(--navy);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

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

@media (max-width: 640px) {
  nav { padding: 14px 20px; }
  .hero { padding: 60px 20px 60px; }
  .hero-stats { gap: 28px; }
  .form-card { padding: 30px 22px; }
  .field-row { grid-template-columns: 1fr; }
  .calc-box { grid-template-columns: 1fr; }
  .section { padding: 56px 20px; }
  .calc-section, .why-section, .footer-cta { padding: 56px 20px; }
  footer { padding: 20px; flex-direction: column; text-align: center; }
}