/* GOOGLE FONTS IMPORT */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&family=Poppins:wght@300;400;600&display=swap');

/* CUSTOM THEME PALETTE (Theme: Colorful + Bold Accent Pattern C) */
:root {
  /* Color definitions (Uniquely named) */
  --opti-sky-gradient: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
  --opti-shade-dark: #0f172a;
  --opti-shade-light: #f8fafc;
  --opti-accent-core: #f59e0b; /* Vibrant Gold/Amber */
  --opti-accent-teal: #10b981; /* Fresh Emerald */
  --opti-text-prime: #1e293b;
  --opti-text-pale: #f1f5f9;
  --opti-white-pure: #ffffff;
  
  /* Fonts */
  --opti-font-display: 'Montserrat', sans-serif;
  --opti-font-body: 'Poppins', sans-serif;
  
  /* Radii (Preset Style Soft) */
  --opti-radius-sharp: 4px;
  --opti-radius-soft: 18px;
  --opti-radius-pill: 9999px;
  
  /* Shadows */
  --opti-shadow-none: none;
  --opti-shadow-elevated: 0 10px 30px -10px rgba(79, 70, 229, 0.3);
  --opti-shadow-thick: 0 20px 40px -15px rgba(15, 23, 42, 0.7);
  
  /* Section Spacing Presets (Normal - 10dvh) */
  --opti-space-block: 10dvh;
}

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

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

body {
  font-family: var(--opti-font-body);
  background-color: var(--opti-shade-light);
  color: var(--opti-text-prime);
  line-height: 1.6;
}

/* SCROLL PROGRESS INDICATOR */
.opti-scroll-progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--opti-accent-core);
  width: 0%;
  z-index: 10001;
  animation: opti-progress-grow linear;
  animation-timeline: scroll();
}

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

/* VIEWPORT INTERSECTION SCROLL ANIMATION */
@keyframes opti-slide-fade-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.opti-scroll-reveal {
  animation: opti-slide-fade-up 0.8s ease-out both;
  animation-timeline: view();
  animation-range: entry 5% cover 30%;
}

/* HEADER STYLE (Preset C - Accent background, white links) */
.opti-glass-header {
  position: sticky;
  top: 0;
  background: var(--opti-sky-gradient);
  z-index: 10000;
  box-shadow: var(--opti-shadow-elevated);
}

.opti-header-inner-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
}

.opti-branding-svg-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--opti-white-pure);
  text-decoration: none;
  font-family: var(--opti-font-display);
  font-weight: 900;
  font-size: 1.4rem;
}

.opti-branding-svg-logo svg {
  fill: var(--opti-accent-core);
}

.opti-nav-link-group {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.opti-nav-item {
  color: var(--opti-white-pure);
  text-decoration: none;
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.opti-nav-item:hover,
.opti-active-item {
  color: var(--opti-accent-core);
}

.opti-active-item::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--opti-accent-core);
  border-radius: var(--opti-radius-pill);
}

/* MOBILE NAV HAMBURGER (CSS Only) */
.opti-hamburger-checkbox {
  display: none;
}

.opti-hamburger-label {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 10002;
}

.opti-hamburger-label span {
  width: 28px;
  height: 3px;
  background-color: var(--opti-white-pure);
  border-radius: var(--opti-radius-pill);
  transition: all 0.3s ease;
}

/* HERO BLOCK (Preset C - Fullscreen gradient background, giant numbers, abstract shapes) */
.opti-vibrant-hero {
  position: relative;
  min-height: 90vh;
  background: var(--opti-sky-gradient);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 4rem 10% 4rem 10%;
  overflow: hidden;
}

.opti-decor-number {
  position: absolute;
  right: -5%;
  bottom: -5%;
  font-size: 24rem;
  font-family: var(--opti-font-display);
  font-weight: 900;
  color: var(--opti-white-pure);
  opacity: 0.07;
  user-select: none;
  pointer-events: none;
}

.opti-abstract-shape-one {
  position: absolute;
  top: 15%;
  right: 15%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, var(--opti-accent-core) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

.opti-abstract-shape-two {
  position: absolute;
  bottom: 20%;
  right: 5%;
  width: 350px;
  height: 350px;
  background: var(--opti-accent-teal);
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  opacity: 0.2;
  pointer-events: none;
}

.opti-hero-content-box {
  max-width: 650px;
  z-index: 2;
  color: var(--opti-white-pure);
}

.opti-hero-heading-bold {
  font-family: var(--opti-font-display);
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  text-transform: normal;
}

.opti-hero-sub-para {
  font-size: 1.15rem;
  color: var(--opti-text-pale);
  margin-bottom: 2.5rem;
}

.opti-pill-action {
  display: inline-block;
  background: var(--opti-accent-core);
  color: var(--opti-shade-dark);
  font-family: var(--opti-font-display);
  font-weight: 700;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: var(--opti-radius-pill);
  box-shadow: var(--opti-shadow-elevated);
  transition: transform 0.3s ease, background 0.3s ease;
}

.opti-pill-action:hover {
  transform: translateY(-3px);
  background: var(--opti-white-pure);
}

/* CONTENT SECTION (Preset C - bg2.webp with diagonal clip-path) */
.opti-diagonal-clip-wrap {
  position: relative;
  padding: var(--opti-space-block) 10%;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  clip-path: polygon(0 6dvh, 100% 0, 100% calc(100% - 6dvh), 0 100%);
}

.opti-diagonal-container-box {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-start;
}

.opti-overlay-content-card {
  background: rgba(15, 23, 42, 0.85); /* Dark Glassmorphism */
  padding: 3.5rem;
  border-radius: var(--opti-radius-soft);
  max-width: 750px;
  border-left: 5px solid var(--opti-accent-core);
  backdrop-filter: blur(8px);
}

.opti-section-vivid-title {
  font-family: var(--opti-font-display);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--opti-white-pure);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.opti-content-paragraph {
  color: var(--opti-text-pale);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

/* FEATURES SECTION (Preset C - Giant numbers, 3 columns) */
.opti-features-grid-section {
  padding: var(--opti-space-block) 10%;
  max-width: 1200px;
  margin: 0 auto;
}

.opti-section-header-centered {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem auto;
}

.opti-section-header-centered .opti-section-vivid-title {
  color: var(--opti-text-prime);
}

.opti-section-sub-heading {
  font-size: 1.1rem;
  color: rgba(30, 41, 59, 0.8);
}

.opti-tri-column-holder {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.opti-feature-tile-minimal {
  background: var(--opti-white-pure);
  padding: 3rem 2rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
  position: relative;
}

.opti-feature-tile-minimal:hover {
  transform: translateY(-5px);
}

.opti-giant-num-header {
  font-family: var(--opti-font-display);
  font-size: 3.8rem;
  font-weight: 900;
  color: var(--opti-accent-core);
  line-height: 1;
  margin-bottom: 1rem;
}

.opti-tile-heading {
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--opti-text-prime);
  margin-bottom: 0.75rem;
}

.opti-feature-desc {
  font-size: 0.95rem;
  color: rgba(30, 41, 59, 0.9);
}

/* HOW IT WORKS SECTION (Preset C - stepper horizontal alternate) */
.opti-stepper-flow-section {
  padding: var(--opti-space-block) 10%;
  background-color: #f1f5f9;
}

.opti-horizontal-stepper-track {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  gap: 2rem;
}

.opti-step-connector-line {
  position: absolute;
  top: 35px;
  left: 10%;
  right: 10%;
  height: 4px;
  background: var(--opti-sky-gradient);
  z-index: 1;
}

.opti-step-node-item {
  flex: 1;
  text-align: center;
  z-index: 2;
  position: relative;
}

.opti-step-bubble {
  width: 70px;
  height: 70px;
  border-radius: var(--opti-radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--opti-font-display);
  font-weight: 900;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem auto;
  transition: transform 0.3s ease;
}

.opti-step-bubble-filled {
  background: var(--opti-accent-core);
  color: var(--opti-shade-dark);
}

.opti-step-bubble-outline {
  background: var(--opti-white-pure);
  color: var(--opti-accent-core);
  border: 3px solid var(--opti-accent-core);
}

.opti-step-node-title {
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--opti-text-prime);
  margin-bottom: 0.5rem;
}

.opti-step-node-text {
  font-size: 0.9rem;
  color: rgba(30, 41, 59, 0.85);
  padding: 0 10%;
}

/* CTA STRIP (Preset C - Dark background, H2 left, pill right) */
.opti-dark-accent-panel {
  background: var(--opti-shade-dark);
  padding: 5rem 10%;
}

.opti-accent-panel-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.opti-panel-heading-bold {
  font-family: var(--opti-font-display);
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--opti-white-pure);
  line-height: 1.22;
  max-width: 700px;
}

.opti-panel-right-action .opti-pill-action {
  white-space: nowrap;
}

/* EXPERT PAGE SPECIFIC ELEMENTS */
.opti-split-bio-section {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--opti-space-block) 10%;
  gap:  4rem;
  align-items: center;
  background: var(--opti-accent-core);
}

.opti-bio-left-content {
  flex: 55%;
}

.opti-bio-right-img-box {
  flex: 45%;
}

.opti-numeric-stats-row {
  background: var(--opti-sky-gradient);
  display: flex;
  justify-content: space-around;
  padding: 4rem 10%;
  color: var(--opti-white-pure);
  text-align: center;
}

.opti-stat-number-vivid {
  font-family: var(--opti-font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--opti-accent-core);
  margin-bottom: 0.5rem;
}

.opti-stat-label-text {
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--opti-text-pale);
}

/* RESERVE PAGE LAYOUT GRID (60% Form / 40% Cards) */
.opti-reserve-layout-grid {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12dvh 5% 6dvh 5%;
  gap: 3.5rem;
}

.opti-reserve-left-form-box {
  flex: 60%;
  background: var(--opti-sky-gradient);
  padding: 3rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.opti-reserve-right-cards-box {
  flex: 40%;
  background: var(--opti-shade-dark);
  padding: 3rem 2.5rem;
  border-radius: var(--opti-radius-soft);
  color: var(--opti-white-pure);
}

/* FORM ELEMENTS */
.opti-booking-form-element {
  margin-top: 2rem;
}

.opti-form-group-custom {
  margin-bottom: 1.4rem;
}

.opti-form-group-custom label {
  display: block;
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--opti-text-prime);
}

.opti-input-text-field {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 2px solid #e2e8f0;
  border-radius: var(--opti-radius-soft);
  font-size: 1rem;
  font-family: var(--opti-font-body);
  transition: border-color 0.3s ease;
  background-color: #f8fafc;
}

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

.opti-checkbox-consent-container {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.opti-checkbox-box {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.opti-checkbox-consent-label {
  font-size: 0.85rem;
  color: rgba(30, 41, 59, 0.85);
}

.opti-checkbox-consent-label a {
  color: var(--opti-accent-core);
  text-decoration: underline;
}

/* RIGHT INFO CARD ELEMENTS */
.opti-info-item-card {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--opti-accent-core);
  padding: 1.5rem;
  border-radius: var(--opti-radius-soft);
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
}

.opti-info-card-icon {
  font-size: 2rem;
  line-height: 1;
}

.opti-info-card-title {
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--opti-white-pure);
  margin-bottom: 0.25rem;
}

.opti-info-card-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.75rem;
}

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

.opti-info-card-list li {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.25rem;
}

.opti-color-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--opti-radius-pill);
  background-color: var(--opti-accent-core);
}

/* FAQ BOTTOM (reserve.html) */
.opti-faq-accordion-container {
  max-width: 1000px;
  margin: 0 auto var(--opti-space-block) auto;
  padding: 0 2rem;
}

.opti-faq-accordion-item {
  background: var(--opti-sky-gradient);
  border-radius: var(--opti-radius-soft);
  margin-bottom: 1rem;
  padding: 1.5rem 2rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}

.opti-faq-accordion-trigger {
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--opti-text-prime);
  margin-bottom: 0.5rem;
  position: relative;
}

.opti-faq-accordion-content {
  padding-top: 0.5rem;
  border-top: 1px solid #f1f5f9;
}

/* FOOTER PANEL */
.opti-footer-panel {
  background: var(--opti-shade-dark);
  padding: 5rem 10% 3rem 10%;
  border-top: 4px solid var(--opti-accent-core);
}

.opti-footer-top-box {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.opti-footer-nav-links {
  display: flex;
  gap: 2rem;
}

.opti-footer-nav-links a {
  color: var(--opti-text-pale);
  text-decoration: none;
  font-size: 0.9rem;
}

.opti-footer-nav-links a:hover {
  color: var(--opti-accent-core);
}

.opti-footer-bottom-disclaimer {
  max-width: 1200px;
  margin: 0 auto;
}

.opti-disclaimer-text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.opti-copyright-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

/* COOKIE BANNER STYLE */
.opti-cookie-banner-fixed {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--opti-shade-dark);
  border-top: 3px solid var(--opti-accent-core);
  padding: 1.5rem 5%;
  z-index: 9999;
}

.opti-cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.opti-cookie-banner-text {
  color: var(--opti-text-pale);
  font-size: 0.9rem;
  flex: 1;
}

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

.opti-cookie-choice-accept {
  background: var(--opti-accent-core);
  color: var(--opti-shade-dark);
  border: none;
  padding: 0.6rem 1.8rem;
  border-radius: var(--opti-radius-pill);
  font-weight: 700;
  cursor: pointer;
}

.opti-cookie-choice-decline {
  background: transparent;
  color: var(--opti-white-pure);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.6rem 1.8rem;
  border-radius: var(--opti-radius-pill);
  cursor: pointer;
}

/* RESPONSIVE DESIGN */
@media screen and (max-width: 1024px) {
  .opti-hero-heading-bold {
    font-size: 2.8rem;
  }
  .opti-tri-column-holder {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .opti-reserve-layout-grid {
    flex-direction: column;
  }
  .opti-split-bio-section {
    flex-direction: column;
    gap: 2rem;
  }
  .opti-bio-right-img-box {
    width: 100%;
  }
}

@media screen and (max-width: 768px) {
  /* Mobile Header with CSS hamburger */
  .opti-hamburger-label {
    display: flex;
  }
  .opti-nav-link-group {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--opti-shade-dark);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transition: left 0.4s ease;
    z-index: 9998;
  }
  .opti-hamburger-checkbox:checked ~ .opti-nav-link-group {
    left: 0;
  }
  .opti-hamburger-checkbox:checked ~ .opti-hamburger-label span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .opti-hamburger-checkbox:checked ~ .opti-hamburger-label span:nth-child(2) {
    opacity: 0;
  }
  .opti-hamburger-checkbox:checked ~ .opti-hamburger-label span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .opti-hero-heading-bold {
    font-size: 2.2rem;
  }
  .opti-accent-panel-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .opti-diagonal-clip-wrap {
    clip-path: none;
    padding: 4rem 5%;
  }
  .opti-horizontal-stepper-track {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }
  .opti-step-connector-line {
    display: none;
  }
  .opti-numeric-stats-row {
    flex-direction: column;
    gap: 2.5rem;
  }
  .opti-footer-top-box {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .opti-footer-nav-links {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  .opti-cookie-banner-content {
    flex-direction: column;
    text-align: center;
    gap: 1.2rem;
  }
}