/* style.css - Updated with Sepia Mode + Large Text */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600&family=Oswald:wght@300;500&display=swap");

/* Base :root is DARK default */
:root {
  /* DARK MODE PALETTE (DEFAULT) */
  --bg-body: #050505;
  --bg-card: #141414;
  --text-main: #ffffff;
  --text-muted: #a0a0a0;
  --border: #333333;
  --accent: #ffffff;
  --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.light-mode {
  /* Monochrome Black & White */
  --bg-body: #ffffff;
  --bg-card: #ffffff;
  --text-main: #000000;
  --text-muted: #666666;
  --border: #cccccc;
  --accent: #000000;
}

.sepia-mode {
  /* Soft Sepia palette */
  --bg-body: #f4ecd8;
  --bg-card: #f8f1e4;
  --text-main: #433422;
  --text-muted: #6b5a3e;
  --border: #d4c4a8;
  --accent: #5a4a32;
}

.large-text body,
.large-text {
  font-size: 1.15rem !important;
  line-height: 1.8 !important;
}

.large-text h1 {
  font-size: 1.3em !important;
}
.large-text h2 {
  font-size: 1.25em !important;
}
.large-text h3 {
  font-size: 1.2em !important;
}
.large-text p {
  line-height: 1.8 !important;
}

/* Vision Modal Styles - shared */
#vision-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(5px);
  color: white;
  font-family: "Oswald", sans-serif;
}

.modal-content {
  background: #1a1a1a;
  margin: 10% auto;
  padding: 40px;
  border-radius: 4px;
  width: 90%;
  max-width: 500px;
  text-align: center;
  border: 1px solid #333;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.vision-option-btn {
  display: block;
  width: 100%;
  padding: 15px;
  margin: 10px 0;
  background: transparent;
  color: white;
  border: 1px solid #555;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  font-family: inherit;
}

.vision-option-btn:hover {
  background: white;
  color: black;
}

#vision-settings-btn {
  background: #eee;
  border: none;
  padding: 5px 10px;
  cursor: pointer;
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-left: 15px;
  border-radius: 3px;
  color: #333;
}

#vision-settings-btn:hover {
  background: #ddd;
}

/* Ensure theme classes override properly */
.dark-mode {
  /* Reinforce dark */
}

.dark-mode nav,
.dark-mode footer,
.dark-mode .card,
.dark-mode .page-header {
  background-color: var(--bg-body) !important;
  color: var(--text-main) !important;
  border-color: var(--border) !important;
}

.sepia-mode nav,
.sepia-mode footer,
.sepia-mode .card,
.sepia-mode .page-header {
  background-color: var(--bg-card) !important;
  color: var(--text-main) !important;
  border-color: var(--border) !important;
}

/* Rest of existing styles unchanged... */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Montserrat", sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- Navigation --- */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 5%;
  background-color: var(--bg-body);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: "Oswald", sans-serif;
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-main);
  text-decoration: none;
}

.logo img {
  height: 100px;
  width: auto;
  max-width: 200px;
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -5px;
  left: 0;
  background-color: var(--text-main);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hero, containers, grids, cards, brands, contact, forms, policy, footer, mobile - ALL UNCHANGED from original */
.hero {
  height: 90vh;
  width: 100%;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  background-color: var(--bg-body);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("paloptical.jpg");
  background-size: cover;
  background-position: center;
  z-index: 0;
  animation: slowZoom 20s infinite alternate;
  filter: grayscale(100%) brightness(0.4) contrast(1.2);
}

@keyframes slowZoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.15);
  }
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
}

.hero h1 {
  font-family: "Oswald", sans-serif;
  font-size: 4rem;
  font-weight: 300;
  letter-spacing: 5px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.hero p {
  font-size: 1.2rem;
  letter-spacing: 2px;
  font-weight: 300;
  color: var(--text-muted);
}

.container {
  padding: 5rem 10%;
  max-width: 1600px;
  margin: 0 auto;
}

.page-header {
  background-color: var(--bg-card);
  color: var(--text-main);
  padding: 6rem 10%;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-family: "Oswald", sans-serif;
  font-size: 3rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--accent);
  background: var(--bg-card);
}

.dark-mode .card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border-color: var(--text-main);
  background: #1a1a1a;
}

.card h3 {
  font-family: "Oswald", sans-serif;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  text-transform: uppercase;
  color: var(--text-main);
}

.card p {
  color: var(--text-muted);
}

.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.brand-item {
  position: relative;
  height: 300px;
  overflow: hidden;
  background: var(--bg-card);
}

.brand-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
  transition: var(--transition);
  opacity: 0.8;
}

.brand-item:hover img {
  transform: scale(1.1);
  opacity: 1;
  filter: brightness(1.1) contrast(1.1);
}

.dark-mode .brand-item {
  background: #000;
}

.dark-mode .brand-item img {
  filter: grayscale(100%) brightness(0.7);
  opacity: 0.6;
}

.dark-mode .brand-item:hover img {
  filter: grayscale(0%) contrast(1.2);
  opacity: 1;
}

.brand-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: linear-gradient(to top, var(--bg-card), transparent);
  color: var(--text-main);
  transform: translateY(100%);
  transition: var(--transition);
}

.brand-item:hover .brand-overlay {
  transform: translateY(0);
}

.contact-info p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  color: var(--text-muted);
}

.contact-info strong {
  color: var(--text-main);
}

.contact-info a {
  color: var(--text-main);
}

.map-container {
  height: 500px;
  width: 100%;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 8px;
}

.contact-form h3 {
  font-family: "Oswald", sans-serif;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
  color: var(--text-main);
}

.contact-form form {
  display: flex;
  flex-direction: column;
}

.contact-form label {
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-main);
}

.contact-form input,
.contact-form textarea {
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  background: var(--bg-body);
  color: var(--text-main);
  font-family: "Montserrat", sans-serif;
  border-radius: 4px;
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 51, 160, 0.2);
}

.contact-form button {
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: var(--bg-body);
  border: none;
  border-radius: 4px;
  font-family: "Oswald", sans-serif;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
}

.contact-form button:hover {
  background: var(--text-main);
  color: var(--bg-body);
}

.policy-section {
  text-align: left;
}

.policy-section h2 {
  text-align: center;
}

.policy-section h3 {
  text-align: left;
}

footer {
  background-color: #000;
  color: var(--text-muted);
  text-align: center;
  padding: 3rem;
  font-size: 0.8rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-top: 1px solid var(--border);
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger div {
  width: 25px;
  height: 3px;
  background-color: var(--text-main);
  margin: 5px;
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .hamburger {
    display: block;
    z-index: 2000;
  }

  .nav-links {
    position: fixed;
    right: 0px;
    height: 100vh;
    top: 0vh;
    background-color: var(--bg-body);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
    z-index: 1500;
  }

  .nav-links.active {
    transform: translateX(0%);
  }

  .nav-links a {
    font-size: 1.5rem;
    margin: 2rem 0;
    color: var(--text-main);
  }

  .toggle .line1 {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  .toggle .line2 {
    opacity: 0;
  }
  .toggle .line3 {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
}