/* --- OPTIMAX THEMATIC STYLESHEET --- */
/* Preset L: Full-Width Color Bands + High Contrast */

:root {
  /* Dynamic Vision-themed palette */
  --opti-sky-bg: #F8F9FA;
  --opti-teal-accent: #0E5E5D;
  --opti-teal-hover: #07403F;
  --opti-coral-flash: #FF6B6B;
  --opti-coral-hover: #E05252;
  --opti-abyss-dark: #121A1A;
  --opti-mint-tint: #E8F4F2;
  --opti-sand-tint: #FDF9F2;
  --opti-glass-white: #FFFFFF;
  
  /* Typography variables */
  --opti-font-display: 'Montserrat', sans-serif;
  --opti-font-body: 'Poppins', sans-serif;
  
  /* Shadow depth: raised */
  --opti-shadow-raised: 0 10px 30px rgba(18, 26, 26, 0.08);
  --opti-shadow-inset: inset 0 2px 4px rgba(18, 26, 26, 0.06);
  
  /* Corner style: soft */
  --opti-radius-soft: 18px;
  --opti-radius-pill: 999px;
  
  /* Animation speeds */
  --opti-transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--opti-font-body);
  background-color: var(--opti-sky-bg);
  color: var(--opti-abyss-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scroll tracker animation (Scroll-driven) */
.opti-scroll-tracker {
  position: fixed;
  top: 0;
  left: 0;
  height: 5px;
  background-color: var(--opti-coral-flash);
  z-index: 10000;
  width: 0%;
  animation: opti-progress auto linear;
  animation-timeline: scroll();
}

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

/* Viewport reveal animation (Scroll-driven) */
.opti-reveal-segment {
  animation: opti-fade-in auto linear;
  animation-timeline: view();
  animation-range: entry 10% cover 35%;
}

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

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--opti-font-display);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--opti-transition-smooth);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Custom Header / Navigation (Preset L style) */
.opti-masthead-strip {
  background-color: var(--opti-teal-accent);
  color: var(--opti-glass-white);
  padding: 1.5rem 8vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1000;
}

.opti-brand-anchor {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--opti-font-display);
  letter-spacing: -0.5px;
}

.opti-brand-anchor svg {
  fill: currentColor;
  width: 40px;
  height: 40px;
}

/* Mobile-friendly hamburger navigation (CSS-only) */
.opti-burger-checkbox {
  display: none;
}

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

.opti-burger-trigger span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--opti-glass-white);
  transition: var(--opti-transition-smooth);
  border-radius: 2px;
}

.opti-navigation-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.opti-navigation-links a {
  font-weight: 600;
  font-size: 0.95rem;
  opacity: 0.9;
  letter-spacing: 0.5px;
}

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

.opti-navigation-links a.opti-link-active {
  color: var(--opti-coral-flash);
  opacity: 1;
}

/* Responsive Burger Logic */
@media (max-width: 991px) {
  .opti-burger-trigger {
    display: flex;
  }
  
  .opti-navigation-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--opti-teal-accent);
    flex-direction: column;
    padding: 2.5rem;
    gap: 1.8rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--opti-transition-smooth);
    box-shadow: var(--opti-shadow-raised);
  }
  
  .opti-burger-checkbox:checked ~ .opti-navigation-links {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  
  .opti-burger-checkbox:checked ~ .opti-burger-trigger span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .opti-burger-checkbox:checked ~ .opti-burger-trigger span:nth-child(2) {
    opacity: 0;
  }
  
  .opti-burger-checkbox:checked ~ .opti-burger-trigger span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

/* Layout Elements (Preset L) */
.opti-band-hero {
  min-height: 80vh;
  background: linear-gradient(135deg, var(--opti-teal-accent) 0%, var(--opti-abyss-dark) 100%);
  color: var(--opti-glass-white);
  padding: 10dvh 8vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
}

.opti-band-hero.opti-centered-alignment {
  align-items: center;
  text-align: center;
}

.opti-colossal-heading {
  font-size: clamp(2.6rem, 5.5vw, 5.5rem);
  margin-bottom: 1.5rem;
  font-weight: 900;
  letter-spacing: -2px;
}

.opti-sub-manifesto {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  margin-bottom: 3rem;
  max-width: 800px;
  opacity: 0.9;
  line-height: 1.5;
}

.opti-pill-button {
  display: inline-block;
  padding: 1.2rem 2.8rem;
  background-color: var(--opti-coral-flash);
  color: var(--opti-glass-white);
  font-family: var(--opti-font-display);
  font-weight: 800;
  border-radius: var(--opti-radius-pill);
  box-shadow: var(--opti-shadow-raised);
  transform: translateY(0);
  transition: var(--opti-transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.opti-pill-button:hover {
  background-color: var(--opti-coral-hover);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(255, 107, 107, 0.25);
}

.opti-pill-button-secondary {
  display: inline-block;
  padding: 1.2rem 2.8rem;
  background-color: var(--opti-glass-white);
  color: var(--opti-teal-accent);
  font-family: var(--opti-font-display);
  font-weight: 800;
  border-radius: var(--opti-radius-pill);
  box-shadow: var(--opti-shadow-raised);
  transition: var(--opti-transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.opti-pill-button-secondary:hover {
  background-color: var(--opti-mint-tint);
  transform: translateY(-3px);
}

/* Full Width Media band */
.opti-full-media-strip {
  height: 40vh;
  width: 100%;
}

.opti-full-media-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Dark Accent Content Row */
.opti-dark-accent-band {
  background-color: var(--opti-abyss-dark);
  color: var(--opti-glass-white);
  padding: 10dvh 8vw;
}

.opti-split-shell {
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.opti-split-shell > div {
  flex: 1 1 45%;
  min-width: 320px;
}

.opti-giant-quote {
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.4;
  border-left: 6px solid var(--opti-coral-flash);
  padding-left: 2rem;
  margin-bottom: 2rem;
}

.opti-column-image {
  border-radius: var(--opti-radius-soft);
  overflow: hidden;
  box-shadow: var(--opti-shadow-raised);
  height: 450px;
}

.opti-column-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Features Color Banding (Preset L alternating bands) */
.opti-feature-band {
  padding: 10dvh 8vw;
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: center;
}

.opti-feature-band:nth-of-type(odd) {
  background-color: var(--opti-mint-tint);
}

.opti-feature-band:nth-of-type(even) {
  background-color: var(--opti-sand-tint);
}

.opti-feature-band-inner {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: 1200px;
  width: 100%;
  flex-wrap: wrap;
}

.opti-feature-graphic-holder {
  flex: 0 0 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--opti-teal-accent);
  color: var(--opti-glass-white);
  font-size: 3rem;
  font-weight: 900;
  border-radius: var(--opti-radius-soft);
}

.opti-feature-text-block {
  flex: 1 1 300px;
}

.opti-feature-text-block h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--opti-teal-accent);
}

.opti-feature-text-block p {
  font-size: 1.1rem;
  color: var(--opti-abyss-dark);
  opacity: 0.95;
}

/* "How it Works" - Horizontal blocks on single high-contrast band */
.opti-workflow-band {
  background-color: var(--opti-glass-white);
  padding: 12dvh 8vw;
  text-align: center;
}

.opti-workflow-grid {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  margin-top: 5rem;
  flex-wrap: wrap;
}

.opti-workflow-card {
  flex: 1 1 280px;
  background-color: var(--opti-sky-bg);
  padding: 3rem 2rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-raised);
  position: relative;
  transition: var(--opti-transition-smooth);
}

.opti-workflow-card:hover {
  transform: translateY(-10px);
}

.opti-workflow-number {
  font-family: var(--opti-font-display);
  font-size: 4rem;
  font-weight: 900;
  color: var(--opti-coral-flash);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.opti-workflow-card h4 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--opti-teal-accent);
}

/* Brightest CTA Strip with high whitespace */
.opti-bright-cta-band {
  background: linear-gradient(135deg, var(--opti-coral-flash) 0%, #FF8E53) 100%;
  color: var(--opti-glass-white);
  padding: 16dvh 8vw;
  text-align: center;
}

.opti-bright-cta-band h2 {
  font-size: clamp(2rem, 4vw, 4rem);
  margin-bottom: 2.5rem;
  font-weight: 900;
  letter-spacing: -1px;
}

/* Expert Stats Band Configuration (Preset L: 4 mini-row bands) */
.opti-stat-row-band {
  padding: 4rem 8vw;
  border-bottom: 2px solid rgba(18, 26, 26, 0.05);
}

.opti-stat-row-band:nth-child(even) {
  background-color: var(--opti-mint-tint);
}

.opti-stat-row-band:nth-child(odd) {
  background-color: var(--opti-sand-tint);
}

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

.opti-stat-number {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  color: var(--opti-coral-flash);
  line-height: 1;
  font-family: var(--opti-font-display);
}

.opti-stat-label {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 700;
  color: var(--opti-teal-accent);
  text-align: right;
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .opti-stat-row-inner {
    flex-direction: column;
    text-align: center;
  }
  .opti-stat-label {
    text-align: center;
  }
}

/* Form block in reserve.html */
.opti-surface-band {
  background-color: var(--opti-glass-white);
  padding: 10dvh 8vw;
  display: flex;
  justify-content: center;
}

.opti-form-capsule {
  width: 100%;
  max-width: 560px;
  background-color: var(--opti-sky-bg);
  padding: 3rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-raised);
}

.opti-form-capsule h3 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--opti-teal-accent);
  text-align: center;
}

.opti-input-field {
  width: 100%;
  padding: 1.1rem 1.5rem;
  background-color: var(--opti-glass-white);
  border: 2px solid transparent;
  border-radius: var(--opti-radius-soft);
  margin-bottom: 1.5rem;
  font-family: var(--opti-font-body);
  transition: var(--opti-transition-smooth);
  box-shadow: var(--opti-shadow-inset);
  color: var(--opti-abyss-dark);
}

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

.opti-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  cursor: pointer;
}

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

/* FAQ layout - CSS only */
.opti-faq-band {
  background-color: var(--opti-mint-tint);
  padding: 10dvh 8vw;
}

.opti-faq-shell {
  max-width: 800px;
  margin: 0 auto;
}

.opti-faq-heading {
  text-align: center;
  margin-bottom: 4rem;
  color: var(--opti-teal-accent);
}

.opti-faq-item {
  background-color: var(--opti-glass-white);
  margin-bottom: 1.2rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-raised);
  overflow: hidden;
}

.opti-faq-trigger {
  width: 100%;
  padding: 1.5rem 2rem;
  text-align: left;
  border: none;
  background: none;
  font-family: var(--opti-font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--opti-teal-accent);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.opti-faq-trigger::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  transition: var(--opti-transition-smooth);
}

.opti-faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 2rem;
  color: var(--opti-abyss-dark);
  opacity: 0.95;
}

/* CSS Only expansion trick */
.opti-faq-item:focus-within .opti-faq-content {
  max-height: 250px;
  padding-bottom: 1.5rem;
}

.opti-faq-item:focus-within .opti-faq-trigger::after {
  transform: rotate(45deg);
}

/* reserve.html Education Tips Cards layout */
.opti-cards-band {
  background-color: var(--opti-sand-tint);
  padding: 10dvh 8vw;
}

.opti-cards-shell {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.opti-educational-capsule {
  background-color: var(--opti-glass-white);
  padding: 3rem 2rem;
  border-radius: var(--opti-radius-soft);
  box-shadow: var(--opti-shadow-raised);
}

.opti-educational-capsule svg {
  fill: var(--opti-coral-flash);
  margin-bottom: 1.5rem;
}

.opti-educational-capsule h3 {
  font-size: 1.4rem;
  color: var(--opti-teal-accent);
  margin-bottom: 1rem;
}

.opti-educational-capsule p {
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.opti-colored-circle-list {
  list-style: none;
}

.opti-colored-circle-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0.8rem;
  font-weight: 500;
}

.opti-colored-dot {
  width: 14px;
  height: 14px;
  background-color: var(--opti-teal-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.opti-cards-shell div:nth-child(2) .opti-colored-dot {
  background-color: var(--opti-coral-flash);
}

.opti-cards-shell div:nth-child(3) .opti-colored-dot {
  background-color: var(--opti-abyss-dark);
}

/* Educational Footer */
.opti-baseboard {
  background-color: var(--opti-abyss-dark);
  color: var(--opti-glass-white);
  padding: 8dvh 8vw 4dvh;
}

.opti-baseboard-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 4rem;
  margin-bottom: 3rem;
}

.opti-baseboard-left {
  max-width: 400px;
}

.opti-baseboard-left p {
  margin-top: 1.5rem;
  opacity: 0.8;
  font-size: 0.95rem;
}

.opti-baseboard-left .opti-brand-anchor {
  padding: 0;
}

.opti-footer-links-group {
  display: flex;
  gap: 5rem;
  flex-wrap: wrap;
}

.opti-footer-links-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.opti-footer-links-column h5 {
  font-size: 1.1rem;
  color: var(--opti-coral-flash);
  margin-bottom: 0.5rem;
}

.opti-footer-links-column a {
  opacity: 0.8;
  font-size: 0.95rem;
}

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

.opti-disclaimer-panel {
  text-align: center;
  max-width: 1000px;
  margin: 0 auto 2rem;
  font-size: 0.85rem;
  opacity: 0.6;
  line-height: 1.8;
}

.opti-copyright-strip {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
}

/* Cookie Policy Alert Box */
.opti-cookie-sentinel {
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: var(--opti-abyss-dark);
  color: var(--opti-glass-white);
  padding: 1.5rem 8vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  z-index: 9999;
  border-top: 3px solid var(--opti-coral-flash);
  box-shadow: 0 -10px 40px rgba(0,0,0,0.15);
  transition: transform 0.5s ease;
}

.opti-cookie-sentinel.opti-closed {
  transform: translateY(100%);
}

.opti-cookie-actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.opti-cookie-btn {
  padding: 0.7rem 1.5rem;
  border: none;
  font-weight: 700;
  font-family: var(--opti-font-display);
  cursor: pointer;
  border-radius: var(--opti-radius-soft);
  text-transform: uppercase;
  font-size: 0.8rem;
}

.opti-cookie-btn-allow {
  background-color: var(--opti-coral-flash);
  color: var(--opti-glass-white);
}

.opti-cookie-btn-deny {
  background-color: transparent;
  color: var(--opti-glass-white);
  border: 1px solid rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
  .opti-cookie-sentinel {
    flex-direction: column;
    text-align: center;
    gap: 1.2rem;
  }
}

/* Policy layouts */
.opti-textual-monolith {
  max-width: 900px;
  margin: 0 auto;
  padding: 15dvh 8vw 10dvh;
}

.opti-textual-monolith h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--opti-teal-accent);
  margin-bottom: 2.5rem;
}

.opti-textual-monolith h2 {
  font-size: 1.8rem;
  color: var(--opti-teal-accent);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

.opti-textual-monolith p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  opacity: 0.95;
}

.opti-textual-monolith ul {
  margin-bottom: 2rem;
  padding-left: 2rem;
}

.opti-textual-monolith li {
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  opacity: 0.95;
}