/* style.css - Custom stylesheet designed for the Eye Wellness & Visual Habits Platform */

:root {
  --vista-clara-bg: #f5f8fa;
  --vista-clara-surface: #ffffff;
  --vista-clara-surface-alt: #eef4f8;
  --vista-clara-deep: #141f26;
  --vista-clara-deep-muted: #3a4b56;
  --vista-clara-accent-cool: #0d9488;
  --vista-clara-accent-warm: #f59e0b;
  --vista-clara-accent-glow: #06b6d4;
  --vista-clara-gradient-base: linear-gradient(135deg, #0d9488 0%, #06b6d4 100%);
  --vista-clara-gradient-warm: linear-gradient(135deg, #f59e0b 0%, #e11d48 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
  --vista-clara-radius: 16px;
  --vista-clara-shadow: 0 10px 25px rgba(20, 31, 38, 0.05);
  --vista-clara-shadow-hover: 0 20px 35px rgba(20, 31, 38, 0.1);
  --vista-clara-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--vista-clara-bg);
  color: var(--vista-clara-deep);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--vista-clara-transition);
}

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

/* Animations */
@keyframes progress-grow {
  to { width: 100%; }
}

@keyframes slide-up-reveal {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-progress {
  height: 4px;
  width: 0;
  background: var(--vista-clara-gradient-base);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10001;
  animation: progress-grow linear forwards;
  animation-timeline: scroll();
}

.reveal-fade-in {
  animation: slide-up-reveal 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
  animation-timeline: view();
  animation-range: entry 10% entry 40%;
}

/* Custom Header & Navigation */
.optic-branding-header {
  background-color: var(--vista-clara-surface);
  box-shadow: var(--vista-clara-shadow);
  position: sticky;
  top: 0;
  z-index: 10000;
  border-bottom: 1px solid rgba(20, 31, 38, 0.05);
}

.optic-nav-bar {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
}

.optic-brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--vista-clara-deep);
  font-family: var(--font-display);
}

.optic-brand-logo-svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: url(#optic-glow-gradient);
  stroke-width: 2;
}

.optic-nav-links-box {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.optic-nav-item {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 0;
}

.optic-nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--vista-clara-gradient-base);
  transition: var(--vista-clara-transition);
}

.optic-nav-item:hover {
  color: var(--vista-clara-accent-cool);
}

.optic-nav-item:hover::after {
  width: 100%;
}

/* Mobile Toggle - CSS Only */
.optic-hamburger-trigger {
  display: none;
}

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

.optic-hamburger-label span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--vista-clara-deep);
  border-radius: 3px;
  transition: var(--vista-clara-transition);
}

/* Layout Wrapper Base */
.wellness-section-spacer {
  padding: 10dvh 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Adaptive Button System */
.focus-action-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: 50px;
  transition: var(--vista-clara-transition);
  cursor: pointer;
  border: none;
}

.focus-action-trigger-primary {
  background: var(--vista-clara-gradient-base);
  color: var(--vista-clara-surface);
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
}

.focus-action-trigger-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.focus-action-trigger-secondary {
  background-color: var(--vista-clara-surface-alt);
  color: var(--vista-clara-deep);
}

.focus-action-trigger-secondary:hover {
  background-color: rgba(20, 31, 38, 0.08);
  transform: translateY(-2px);
}

/* Hero Component - Bento Scroll Reveal */
.focus-hero-block {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  color: var(--vista-clara-surface);
  background: linear-gradient(rgba(20, 31, 38, 0.7), rgba(20, 31, 38, 0.85)), url('img/bg.webp') center/cover no-repeat;
  padding: 10dvh 1.5rem;
}

.focus-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.focus-hero-text-holder {
  max-width: 700px;
}

.focus-hero-tagline {
  background-color: rgba(6, 182, 212, 0.2);
  border: 1px solid var(--vista-clara-accent-glow);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.focus-headline {
  font-size: clamp(2.3rem, 5vw, 3.8rem);
  margin-bottom: 1.5rem;
}

.focus-lead-text {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  opacity: 0.9;
  margin-bottom: 2.5rem;
}

/* Bento Grid System - Feature Sections */
.vision-bento-layout {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.bento-cell {
  background-color: var(--vista-clara-surface);
  border-radius: var(--vista-clara-radius);
  padding: 2.5rem;
  box-shadow: var(--vista-clara-shadow);
  transition: var(--vista-clara-transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(20, 31, 38, 0.03);
}

.bento-cell:hover {
  transform: translateY(-4px);
  box-shadow: var(--vista-clara-shadow-hover);
}

.bento-cell-span-4 {
  grid-column: span 4;
  background: var(--vista-clara-gradient-base);
  color: var(--vista-clara-surface);
}

.bento-cell-span-2 {
  grid-column: span 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: var(--vista-clara-surface-alt);
}

.bento-cell-span-3 {
  grid-column: span 3;
}

.bento-cell-span-6 {
  grid-column: span 6;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.bento-cell-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(13, 148, 136, 0.1);
  margin-bottom: 1.5rem;
}

.bento-cell-span-4 .bento-cell-icon-wrap {
  background-color: rgba(255, 255, 255, 0.2);
}

.bento-cell-span-4 .bento-cell-icon-wrap svg {
  stroke: var(--vista-clara-surface);
}

.bento-cell-icon-wrap svg {
  width: 28px;
  height: 28px;
  stroke: var(--vista-clara-accent-cool);
  fill: none;
  stroke-width: 2;
}

.bento-stat-num {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--vista-clara-accent-warm);
  line-height: 1;
}

.bento-cell-span-6 .bento-cell-icon-wrap {
  flex-shrink: 0;
  margin-bottom: 0;
}

.bento-card-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.bento-card-desc {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* Image Showcase Block */
.showcase-banner-element {
  background: linear-gradient(rgba(20, 31, 38, 0.5), rgba(20, 31, 38, 0.7)), url('img/bg2.webp') center/cover no-repeat;
  padding: 12dvh 1.5rem;
  color: var(--vista-clara-surface);
  border-radius: var(--vista-clara-radius);
  text-align: center;
  margin: 4rem auto;
  max-width: 1200px;
}

.showcase-banner-inner {
  max-width: 800px;
  margin: 0 auto;
}

/* Process Flow Map (How it Works) */
.vision-flow-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 4rem;
}

.flow-step-node {
  position: relative;
  padding: 2rem;
  background-color: var(--vista-clara-surface);
  border-radius: var(--vista-clara-radius);
  box-shadow: var(--vista-clara-shadow);
}

.flow-step-backdrop-num {
  position: absolute;
  top: -10px;
  right: 15px;
  font-size: 5.5rem;
  font-family: var(--font-display);
  font-weight: 950;
  color: var(--vista-clara-deep);
  opacity: 0.06;
  line-height: 1;
}

.flow-step-headline {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

/* Dynamic Panel Wrap (Expert & Reserve pages) */
.split-content-panel {
  display: flex;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.split-content-column {
  flex: 1;
}

.split-content-media {
  border-radius: var(--vista-clara-radius);
  overflow: hidden;
  box-shadow: var(--vista-clara-shadow-hover);
}

.split-content-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Decorative grid box */
.expert-habits-checkerboard {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.expert-stat-tile {
  background-color: var(--vista-clara-surface);
  border-radius: var(--vista-clara-radius);
  padding: 2rem;
  box-shadow: var(--vista-clara-shadow);
  border-left: 4px solid var(--vista-clara-accent-cool);
}

/* General Forms Styling */
.secure-reserve-form-container {
  background-color: var(--vista-clara-surface);
  padding: 3rem;
  border-radius: var(--vista-clara-radius);
  box-shadow: var(--vista-clara-shadow-hover);
  max-width: 650px;
  margin: 3rem auto 0 auto;
}

.form-group-field {
  margin-bottom: 1.5rem;
}

.form-field-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-input-element {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid rgba(20, 31, 38, 0.15);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--vista-clara-transition);
}

.form-input-element:focus {
  outline: none;
  border-color: var(--vista-clara-accent-cool);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-checkbox-shield {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.form-checkbox-shield input {
  margin-top: 0.25rem;
}

/* FAQ Accordion */
.faq-accordion-hub {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-card-item {
  background-color: var(--vista-clara-surface);
  border-radius: var(--vista-clara-radius);
  box-shadow: var(--vista-clara-shadow);
  overflow: hidden;
}

.faq-card-item summary {
  padding: 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-card-item summary::-webkit-details-marker {
  display: none;
}

.faq-card-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--vista-clara-accent-cool);
  transition: var(--vista-clara-transition);
}

.faq-card-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-card-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

/* Cookie Policy Notice */
.gdpr-cookie-anchor {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--vista-clara-deep);
  color: var(--vista-clara-surface);
  padding: 1.5rem;
  z-index: 20000;
  box-shadow: 0 -5px 25px rgba(0,0,0,0.15);
}

.gdpr-cookie-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.gdpr-cookie-text {
  font-size: 0.9rem;
  opacity: 0.9;
}

.gdpr-cookie-action-box {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

/* CTA Strips */
.wellness-interactive-cta {
  background: var(--vista-clara-gradient-base);
  color: var(--vista-clara-surface);
  padding: 6rem 1.5rem;
  text-align: center;
}

.wellness-interactive-cta-inner {
  max-width: 800px;
  margin: 0 auto;
}

/* Footer Section */
.vista-clara-footer-block {
  background-color: var(--vista-clara-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 5rem 1.5rem 2rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.vista-clara-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.vista-clara-footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 3.5rem;
  margin-bottom: 2rem;
}

.vista-clara-footer-brand {
  color: var(--vista-clara-surface);
  align-items: center;
  display: flex;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.vista-clara-footer-brand svg {
  width: 36px;
  height: 36px;
  stroke: var(--vista-clara-accent-glow);
  fill: none;
  stroke-width: 2;
}

.vista-clara-footer-links {
  display: flex;
  gap: 2rem;
}

.vista-clara-footer-links a:hover {
  color: var(--vista-clara-accent-glow);
}

.vista-clara-disclaimer {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 900px;
  margin-bottom: 2rem;
}

.vista-clara-copyright {
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Adaptive Media Queries */
@media (max-width: 1024px) {
  .vision-bento-layout {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-cell-span-4, .bento-cell-span-2, .bento-cell-span-3, .bento-cell-span-6 {
    grid-column: span 2;
  }
  .bento-cell-span-6 {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

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

  .optic-nav-links-box {
    position: fixed;
    top: 73px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background-color: var(--vista-clara-surface);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transition: var(--vista-clara-transition);
  }

  .optic-hamburger-trigger:checked ~ .optic-nav-links-box {
    left: 0;
  }

  .optic-hamburger-trigger:checked ~ .optic-hamburger-label span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

  .optic-hamburger-trigger:checked ~ .optic-hamburger-label span:nth-child(2) {
    opacity: 0;
  }

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

  .vision-flow-map {
    grid-template-columns: 1fr;
  }

  .split-content-panel {
    flex-direction: column;
    gap: 2.5rem;
  }

  .expert-habits-checkerboard {
    grid-template-columns: 1fr;
  }

  .gdpr-cookie-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .vista-clara-footer-top {
    flex-direction: column;
    gap: 2rem;
    align-items: flex-start;
  }

  .vista-clara-footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}