@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;600;700;800&display=swap');

:root {
  --opti-canvas: #faf8f5;
  --opti-surface: #ffffff;
  --opti-iris: #1b4332;
  --opti-iris-muted: #2d6a4f;
  --opti-focus: #40916c;
  --opti-highlight: #e9c46a;
  --opti-amber: #f4a261;
  --opti-text-main: #1d2d24;
  --opti-text-sub: #4a5d52;
  --opti-border: #d8e2dc;
  --opti-gradient-primary: linear-gradient(135deg, #1b4332 0%, #40916c 100%);
  --opti-gradient-soft: linear-gradient(135deg, #f4a261 0%, #e9c46a 100%);
  --opti-gradient-bg: linear-gradient(180deg, #faf8f5 0%, #e8f5e9 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  --opti-shadow-soft: 0 12px 36px rgba(27, 67, 50, 0.08);
  --opti-shadow-deep: 0 20px 50px rgba(27, 67, 50, 0.14);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--opti-canvas);
  color: var(--opti-text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scroll Animation Progress Bar */
.opti-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--opti-gradient-soft);
  width: 100%;
  transform-origin: 0 50%;
  animation: opti-scroll-prog linear;
  animation-timeline: scroll();
  z-index: 10000;
}

@keyframes opti-scroll-prog {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--opti-iris);
  line-height: 1.25;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

/* Header Component */
.opti-header-shell {
  position: sticky;
  top: 0;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(216, 226, 220, 0.5);
}

.opti-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.opti-brand-anchor {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--opti-iris);
}

.opti-blob-logo-icon {
  width: 46px;
  height: 46px;
  background: var(--opti-gradient-primary);
  border-radius: 50% 50% 50% 50% / 60% 40% 60% 40%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: border-radius 0.5s ease;
}

.opti-brand-anchor:hover .opti-blob-logo-icon {
  border-radius: 40% 60% 40% 60% / 50% 50% 50% 50%;
}

.opti-brand-anchor svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.opti-navigation-hub {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.opti-nav-links {
  display: flex;
  list-style: none;
  gap: 1.8rem;
  align-items: center;
}

.opti-nav-item {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--opti-text-sub);
}

.opti-nav-item:hover {
  color: var(--opti-focus);
}

/* Pure CSS Mobile Hamburger */
.opti-mobile-toggle {
  display: none;
}

.opti-hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.opti-hamburger-btn span {
  width: 25px;
  height: 3px;
  background-color: var(--opti-iris);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Preset Buttons */
.opti-action-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  background: var(--opti-gradient-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 6px 20px rgba(27, 67, 50, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
}

.opti-action-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(27, 67, 50, 0.3);
}

.opti-action-pill-alt {
  background: var(--opti-gradient-soft);
  color: var(--opti-iris);
}

/* Scroll View Animations */
.opti-view-anim {
  animation: opti-fade-in-up linear both;
  animation-timeline: view();
  animation-range: entry 10% cover 30%;
}

@keyframes opti-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Layout Elements - Index */
.opti-hero-stage {
  padding: 10dvh 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.opti-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.opti-hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.opti-hero-text {
  font-size: 1.1rem;
  color: var(--opti-text-sub);
  max-width: 90%;
}

.opti-hero-blob-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  overflow: hidden;
  box-shadow: var(--opti-shadow-deep);
  background: var(--opti-iris-muted);
}

.opti-hero-blob-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Organic Split Content Section */
.opti-guide-split {
  padding: 10dvh 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.opti-blob-ellipse-frame {
  clip-path: ellipse(50% 46% at 55% 50%);
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.opti-split-body {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

/* Full Width Wave Section */
.opti-wave-banner {
  margin: 5dvh 0;
  position: relative;
  clip-path: polygon(0 6%, 100% 0, 100% 94%, 0 100%);
  background: var(--opti-iris);
  color: #ffffff;
  padding: 12dvh 1.5rem;
  background-image: linear-gradient(rgba(27, 67, 50, 0.85), rgba(27, 67, 50, 0.85)), url('img/bg2.webp');
  background-size: cover;
  background-position: center;
}

.opti-wave-banner-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

.opti-wave-banner h2 {
  color: #ffffff;
  font-size: 2.2rem;
}

/* Perks / Features Assembly */
.opti-perks-assembly {
  padding: 10dvh 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.opti-perks-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.opti-perks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.opti-perk-item {
  background: var(--opti-surface);
  padding: 2.5rem 1.8rem;
  border-radius: 20px;
  box-shadow: var(--opti-shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  border: 1px solid var(--opti-border);
  transition: transform 0.3s ease;
}

.opti-perk-item:hover {
  transform: translateY(-8px);
}

.opti-perk-blob-icon {
  width: 60px;
  height: 60px;
  background: var(--opti-gradient-soft);
  border-radius: 60% 40% 55% 45% / 45% 55% 40% 60%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-radius 0.6s ease;
}

.opti-perk-item:hover .opti-perk-blob-icon {
  border-radius: 40% 60% 45% 55% / 55% 45% 60% 40%;
}

.opti-perk-blob-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--opti-iris);
}

/* How It Works - Step Flow */
.opti-step-flow {
  padding: 10dvh 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.opti-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
  position: relative;
}

.opti-step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.opti-step-bubble {
  width: 80px;
  height: 80px;
  background: var(--opti-gradient-primary);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 55% 45% 48% 52% / 50% 50% 50% 50%;
  box-shadow: var(--opti-shadow-soft);
}

/* CTA Strip Wave */
.opti-strip-wave {
  padding: 8dvh 1.5rem;
  background: var(--opti-gradient-bg);
  clip-path: ellipse(120% 100% at 50% 100%);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}

/* Expert Page Specifics */
.opti-expert-hero {
  padding: 8dvh 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.opti-expert-stats-bar {
  padding: 6dvh 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.opti-stat-pill {
  background: var(--opti-surface);
  border-radius: 999px;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: var(--opti-shadow-soft);
  border: 1px solid var(--opti-border);
}

.opti-stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--opti-focus);
}

.opti-quote-block {
  margin: 4dvh auto;
  max-width: 800px;
  padding: 2.5rem;
  background: var(--opti-surface);
  border-left: 6px solid var(--opti-amber);
  border-radius: 0 20px 20px 0;
  font-style: italic;
  font-size: 1.2rem;
  box-shadow: var(--opti-shadow-soft);
}

/* Reserve Form Styling */
.opti-reserve-stage {
  padding: 8dvh 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.opti-reserve-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.opti-form-shell {
  background: var(--opti-surface);
  padding: 3rem 2.5rem;
  border-radius: 28px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  border: 1px solid var(--opti-border);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.opti-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.opti-form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--opti-text-main);
}

.opti-input-field {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  border: 1px solid var(--opti-border);
  font-family: inherit;
  font-size: 1rem;
  background: #fcfcfd;
  transition: border-color 0.3s ease;
}

.opti-input-field:focus {
  outline: none;
  border-color: var(--opti-focus);
}

.opti-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-size: 0.85rem;
  color: var(--opti-text-sub);
  cursor: pointer;
}

.opti-checkbox-label input {
  margin-top: 0.2rem;
}

.opti-info-cards-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.opti-info-card {
  background: var(--opti-surface);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--opti-shadow-soft);
  border: 1px solid var(--opti-border);
}

.opti-info-card-list {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.opti-info-card-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
}

.opti-num-badge {
  width: 22px;
  height: 22px;
  background: var(--opti-focus);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* FAQ Accordion Soft */
.opti-faq-accordion {
  padding: 8dvh 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.opti-faq-item {
  background: var(--opti-surface);
  border-radius: 16px;
  padding: 1.8rem;
  border: 1px solid var(--opti-border);
  box-shadow: var(--opti-shadow-soft);
}

.opti-faq-question {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--opti-iris);
  margin-bottom: 0.5rem;
}

/* Legal & Thank You Pages */
.opti-legal-container {
  padding: 8dvh 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.opti-thank-stage {
  padding: 10dvh 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  min-height: 50vh;
}

.opti-thank-img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--opti-shadow-deep);
}

/* Footer Component */
.opti-footer-shell {
  background: var(--opti-iris);
  color: #e8f5e9;
  padding: 6rem 1.5rem 3rem 1.5rem;
  margin-top: auto;
}

.opti-footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.opti-footer-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.opti-footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  flex-wrap: wrap;
}

.opti-footer-links a:hover {
  color: var(--opti-highlight);
}

.opti-disclaimer {
  font-size: 0.85rem;
  color: #a3c4b2;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.opti-copyright {
  text-align: center;
  font-size: 0.85rem;
  color: #81a892;
}

/* Cookie Banner */
.opti-cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--opti-surface);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.15);
  padding: 1.5rem;
  z-index: 9999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  border-top: 2px solid var(--opti-focus);
}

.opti-cookie-text {
  font-size: 0.9rem;
  color: var(--opti-text-main);
}

.opti-cookie-actions {
  display: flex;
  gap: 1rem;
}

.opti-btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  border: none;
  font-weight: 600;
}

.opti-btn-accept {
  background: var(--opti-focus);
  color: #fff;
}

.opti-btn-decline {
  background: var(--opti-border);
  color: var(--opti-text-main);
}

/* Responsive Rules */
@media (max-width: 992px) {
  .opti-hero-stage,
  .opti-guide-split,
  .opti-expert-hero,
  .opti-reserve-layout {
    grid-template-columns: 1fr;
  }

  .opti-step-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .opti-hamburger-btn {
    display: flex;
  }

  .opti-navigation-hub {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--opti-surface);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--opti-shadow-soft);
    display: none;
  }

  .opti-mobile-toggle:checked ~ .opti-navigation-hub {
    display: flex;
  }

  .opti-nav-links {
    flex-direction: column;
    gap: 1.2rem;
  }

  .opti-cookie-banner {
    flex-direction: column;
    text-align: center;
  }
}