/* --- DESIGN SYSTEM & CUSTOM CONFIGURATION --- */
:root {
  --opti-bg: #FCFBF9;
  --opti-surface-white: #FFFFFF;
  --opti-surface-soft: #F0F6F5;
  --opti-ocean-accent: #0F4C5C;
  --opti-ocean-hover: #E36414;
  --opti-coral-accent: #FB8B24;
  --opti-contrast-dark: #1F2421;
  --opti-border-color: #D1E3E2;
  --opti-border-pill: 999px;
  --opti-border-soft: 16px;
  
  --font-display: 'Raleway', sans-serif;
  --font-body: 'Poppins', sans-serif;
}

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

/* --- BASE STYLES & RESET --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--opti-bg);
  color: var(--opti-contrast-dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

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

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

/* --- SCROLL PROGRESS BAR --- */
.opti-scroll-tracker {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background-color: var(--opti-coral-accent);
  width: 0%;
  z-index: 10000;
  animation: opti-progress-bar linear;
  animation-timeline: scroll();
}

@keyframes opti-progress-bar {
  to { width: 100%; }
}

/* --- LAYOUT WRAPPER CONTROLLER --- */
.opti-layout-width {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- HEADER / TOP BAR --- */
.opti-top-bar {
  background-color: var(--opti-surface-white);
  border-bottom: 1px solid var(--opti-border-color);
  position: sticky;
  top: 0;
  z-index: 999;
}

.opti-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.opti-brand-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--opti-ocean-accent);
}

.opti-brand-icon {
  width: 32px;
  height: 32px;
  fill: var(--opti-coral-accent);
}

/* NAVIGATION LINKS */
.opti-navigation-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.opti-link-holder {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.opti-link-item a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--opti-contrast-dark);
  position: relative;
  padding: 6px 0;
}

.opti-link-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--opti-coral-accent);
  transition: width 0.3s ease;
}

.opti-link-item a:hover::after,
.opti-link-item a.active::after {
  width: 100%;
}

.opti-link-item a:hover {
  color: var(--opti-ocean-accent);
}

/* CSS-ONLY MOBILE BURGER */
.opti-nav-checkbox {
  display: none;
}

.opti-nav-trigger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.opti-nav-trigger span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: var(--opti-ocean-accent);
  border-radius: 2px;
  transition: 0.3s ease-in-out;
}

/* --- BRAND ACTION TRIGGER (BUTTONS) --- */
.opti-action-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background-color: var(--opti-ocean-accent);
  color: var(--opti-surface-white);
  font-weight: 600;
  border-radius: var(--opti-border-soft);
  box-shadow: 0 4px 6px -1px rgba(15, 76, 92, 0.1), 0 2px 4px -1px rgba(15, 76, 92, 0.06);
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.opti-action-trigger:hover {
  background-color: var(--opti-ocean-hover);
  color: var(--opti-surface-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(227, 100, 20, 0.2);
}

.opti-action-trigger-accent {
  background-color: var(--opti-coral-accent);
}

.opti-action-trigger-accent:hover {
  background-color: var(--opti-ocean-accent);
}

/* --- INDEX HERO SECTION (PRESET B - LIGHT SPLIT) --- */
.opti-announcement-bar {
  background-color: var(--opti-coral-accent);
  color: var(--opti-surface-white);
  padding: 10px 16px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.opti-announcement-bar a {
  text-decoration: underline;
  margin-left: 6px;
}

.opti-split-showcase {
  display: flex;
  min-height: calc(85vh - 40px);
  background-color: var(--opti-surface-soft);
}

.opti-split-left {
  width: 55%;
  padding: 8vh 5% 8vh 8%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.opti-split-right {
  width: 45%;
  position: relative;
}

.opti-split-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.opti-showcase-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--opti-ocean-accent);
  margin-bottom: 20px;
}

.opti-showcase-text {
  font-size: 1.15rem;
  color: var(--opti-contrast-dark);
  margin-bottom: 36px;
  opacity: 0.9;
}

/* --- BANNER OVERVIEW SECTION --- */
.opti-journal-banner {
  height: 45vh;
  width: 100%;
}

.opti-journal-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.opti-journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 80px 0;
}

.opti-journal-col {
  border-top: 3px solid var(--opti-coral-accent);
  padding-top: 24px;
}

.opti-journal-h3 {
  font-size: 1.4rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 12px;
}

/* --- FEATURES MASONRY SECTION (PRESET B) --- */
.opti-masonry-section {
  padding: 80px 0;
  background-color: var(--opti-surface-soft);
}

.opti-section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.opti-section-intro h2 {
  font-size: 2.2rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 16px;
}

.opti-masonry-gallery {
  column-count: 3;
  column-gap: 24px;
}

.opti-show-box {
  background-color: var(--opti-surface-white);
  border-radius: var(--opti-border-soft);
  padding: 30px;
  margin-bottom: 24px;
  break-inside: avoid;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  border: 1px solid var(--opti-border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.opti-show-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 20px rgba(0,0,0,0.05);
}

.opti-card-icon {
  width: 48px;
  height: 48px;
  fill: var(--opti-coral-accent);
  margin-bottom: 20px;
}

.opti-show-box img {
  border-radius: calc(var(--opti-border-soft) - 4px);
  margin-bottom: 20px;
  width: 100%;
}

.opti-show-box h3 {
  font-size: 1.25rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 12px;
}

/* --- HOW IT WORKS TRACK (PRESET B - HORIZONTAL) --- */
.opti-steps-section {
  padding: 100px 0;
}

.opti-horizontal-track {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  margin-top: 60px;
}

.opti-horizontal-track::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 5%;
  right: 5%;
  border-top: 2px dashed var(--opti-border-color);
  z-index: 1;
}

.opti-track-step {
  width: 28%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.opti-step-circle {
  width: 60px;
  height: 60px;
  background-color: var(--opti-surface-white);
  border: 4px solid var(--opti-border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.opti-track-step.active .opti-step-circle {
  border-color: var(--opti-coral-accent);
  background-color: var(--opti-coral-accent);
  color: var(--opti-surface-white);
  box-shadow: 0 0 15px rgba(251, 139, 36, 0.4);
}

.opti-step-h4 {
  font-size: 1.15rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 8px;
}

/* --- CTA STRIP (PRESET B - ACCENT COLORFUL) --- */
.opti-cta-strip {
  background-color: var(--opti-ocean-accent);
  color: var(--opti-surface-white);
  padding: 80px 0;
  text-align: center;
}

.opti-cta-h2 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

.opti-cta-p {
  font-size: 1.2rem;
  max-width: 650px;
  margin: 0 auto 36px;
  opacity: 0.9;
}

/* --- EXPERT PAGE STYLES --- */
.opti-expert-grid {
  display: flex;
  gap: 60px;
  padding: 80px 0;
  align-items: center;
}

.opti-expert-img {
  width: 50%;
  border-radius: var(--opti-border-soft);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.opti-expert-bio {
  width: 50%;
}

.opti-expert-h1 {
  font-size: 2.8rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 12px;
}

.opti-expert-role {
  font-size: 1.2rem;
  color: var(--opti-coral-accent);
  font-weight: 600;
  margin-bottom: 24px;
}

.opti-stats-strip {
  border-top: 1px solid var(--opti-border-color);
  border-bottom: 1px solid var(--opti-border-color);
  padding: 40px 0;
  background-color: var(--opti-surface-soft);
}

.opti-stats-flex {
  display: flex;
  justify-content: space-between;
}

.opti-stat-block {
  text-align: center;
  width: 22%;
}

.opti-stat-num {
  font-size: 3rem;
  font-family: var(--font-display);
  font-weight: bold;
  color: var(--opti-ocean-accent);
  line-height: 1;
  margin-bottom: 10px;
}

.opti-stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* --- RESERVE PAGE STYLES --- */
.opti-reserve-split {
  display: flex;
  gap: 60px;
  padding: 80px 0;
}

.opti-reserve-info {
  width: 50%;
}

.opti-reserve-form-side {
  width: 50%;
  background-color: var(--opti-surface-white);
  border-radius: var(--opti-border-soft);
  padding: 40px;
  border: 1px solid var(--opti-border-color);
  box-shadow: 0 8px 30px rgba(0,0,0,0.02);
}

.opti-info-block {
  margin-bottom: 36px;
}

.opti-info-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 16px;
}

.opti-info-bullet-list {
  list-style: none;
}

.opti-info-bullet-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.opti-info-bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  background-color: var(--opti-coral-accent);
  border-radius: 50%;
}

/* FORM ELEMENTS */
.opti-form-title {
  font-size: 1.8rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 8px;
}

.opti-form-subtitle {
  font-size: 0.95rem;
  margin-bottom: 24px;
  opacity: 0.8;
}

.opti-field-group {
  margin-bottom: 20px;
}

.opti-input-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.opti-text-input {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--opti-border-color);
  background-color: var(--opti-surface-soft);
  border-radius: var(--opti-border-soft);
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s ease;
}

.opti-text-input:focus {
  border-color: var(--opti-ocean-accent);
}

.opti-checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.opti-checkbox-wrap input {
  margin-top: 4px;
}

.opti-checkbox-wrap label {
  font-size: 0.85rem;
  opacity: 0.9;
}

.opti-form-action {
  width: 100%;
}

/* FAQ SECTION (CSS ACCORDION) */
.opti-faq-box {
  margin-top: 40px;
}

.opti-faq-heading {
  font-size: 1.8rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 24px;
  text-align: center;
}

.opti-faq-card {
  background-color: var(--opti-surface-white);
  border: 1px solid var(--opti-border-color);
  border-radius: var(--opti-border-soft);
  margin-bottom: 16px;
  padding: 24px;
}

.opti-faq-q {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--opti-ocean-accent);
  margin-bottom: 12px;
}

.opti-faq-a {
  font-size: 0.95rem;
  opacity: 0.9;
}

/* --- POLICY PAGES --- */
.opti-policy-body {
  padding: 80px 0;
  max-width: 800px;
  margin: 0 auto;
}

.opti-policy-body h1 {
  font-size: 2.5rem;
  color: var(--opti-ocean-accent);
  margin-bottom: 30px;
}

.opti-policy-body h2 {
  font-size: 1.5rem;
  color: var(--opti-ocean-accent);
  margin: 40px 0 20px;
}

.opti-policy-body p {
  margin-bottom: 20px;
  line-height: 1.7;
}

/* --- FOOTER SEGMENT --- */
.opti-site-footer {
  background-color: var(--opti-contrast-dark);
  color: var(--opti-surface-white);
  padding: 60px 0 30px;
}

.opti-footer-grid {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 40px;
  margin-bottom: 30px;
}

.opti-footer-brand {
  width: 40%;
}

.opti-footer-brand .opti-brand-identity {
  color: var(--opti-surface-white);
  margin-bottom: 16px;
}

.opti-footer-p {
  font-size: 0.9rem;
  opacity: 0.7;
  max-width: 320px;
}

.opti-footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.opti-footer-link-h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  font-family: var(--font-display);
}

.opti-footer-links a {
  font-size: 0.9rem;
  opacity: 0.7;
}

.opti-footer-links a:hover {
  opacity: 1;
  color: var(--opti-coral-accent);
}

.opti-footer-declaration {
  font-size: 0.8rem;
  opacity: 0.5;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.5;
}

.opti-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* --- COOKIE CONSENT BANNER --- */
.opti-cookie-strip {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--opti-surface-white);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.15);
  border-top: 1px solid var(--opti-border-color);
  padding: 20px 0;
  z-index: 99999;
  display: none;
}

.opti-cookie-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.opti-cookie-text {
  font-size: 0.9rem;
  line-height: 1.4;
}

.opti-cookie-buttons {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.opti-cookie-btn {
  padding: 10px 20px;
  border-radius: var(--opti-border-soft);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.opti-cookie-accept {
  background-color: var(--opti-ocean-accent);
  color: var(--opti-surface-white);
}

.opti-cookie-accept:hover {
  background-color: var(--opti-coral-accent);
}

.opti-cookie-decline {
  background-color: var(--opti-surface-soft);
  color: var(--opti-contrast-dark);
}

.opti-cookie-decline:hover {
  background-color: var(--opti-border-color);
}

/* --- THANK YOU PAGE --- */
.opti-thank-wrapper {
  padding: 100px 0;
  text-align: center;
}

.opti-thank-img {
  max-width: 450px;
  margin: 0 auto 30px;
  border-radius: var(--opti-border-soft);
}

/* --- RESPONSIVE ADAPTABILITY --- */
@media (max-width: 1024px) {
  .opti-masonry-gallery {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .opti-header-flex {
    position: relative;
  }

  .opti-nav-trigger {
    display: flex;
  }

  .opti-navigation-links {
    position: absolute;
    top: 80px;
    left: -24px;
    right: -24px;
    background-color: var(--opti-surface-white);
    flex-direction: column;
    padding: 30px 24px;
    box-shadow: 0 15px 25px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--opti-border-color);
    display: none;
    z-index: 1000;
  }

  .opti-link-holder {
    flex-direction: column;
    gap: 20px;
    width: 100%;
    align-items: center;
  }

  /* Checked State Hamburger Toggle */
  .opti-nav-checkbox:checked ~ .opti-navigation-links {
    display: flex;
  }

  .opti-nav-checkbox:checked ~ .opti-nav-trigger span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .opti-nav-checkbox:checked ~ .opti-nav-trigger span:nth-child(2) {
    opacity: 0;
  }

  .opti-nav-checkbox:checked ~ .opti-nav-trigger span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
  }

  .opti-split-showcase {
    flex-direction: column;
  }

  .opti-split-left {
    width: 100%;
    padding: 50px 24px;
  }

  .opti-split-right {
    width: 100%;
    height: 350px;
  }

  .opti-journal-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 50px 0;
  }

  .opti-masonry-gallery {
    column-count: 1;
  }

  .opti-horizontal-track {
    flex-direction: column;
    gap: 40px;
    align-items: flex-start;
  }

  .opti-horizontal-track::before {
    display: none;
  }

  .opti-track-step {
    width: 100%;
    flex-direction: row;
    text-align: left;
    gap: 20px;
    align-items: center;
  }

  .opti-step-circle {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .opti-expert-grid {
    flex-direction: column;
    gap: 40px;
  }

  .opti-expert-img,
  .opti-expert-bio {
    width: 100%;
  }

  .opti-stats-flex {
    flex-wrap: wrap;
    gap: 24px;
  }

  .opti-stat-block {
    width: 45%;
  }

  .opti-reserve-split {
    flex-direction: column;
    gap: 40px;
  }

  .opti-reserve-info,
  .opti-reserve-form-side {
    width: 100%;
  }

  .opti-footer-grid {
    flex-direction: column;
    gap: 30px;
  }

  .opti-footer-brand {
    width: 100%;
  }

  .opti-cookie-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .opti-cookie-buttons {
    width: 100%;
    justify-content: flex-end;
  }
}