/* =======================
   GLOBAL STYLES
======================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  background: #fff;
  color: #1f2937;
  overflow-x: hidden;
 padding-top: 120px;
}

html {
  scroll-behavior: smooth;
}

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

 .highlight {
      color: #166d8a;
      font-weight: 600;
    }

/* =======================
   NAVBAR
======================= */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  padding: 25px 8%; /* taller navbar */
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.logo img {
  height: 90px;
  width: auto;
  transform: scale(3.0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(3.1);
}

/* ================= NAV ================= */
.nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-link,
.dropdown-toggle {
  background: none;
  border: none;
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: #1f2937;
  cursor: pointer;
  position: relative;
  text-decoration: none;
  transition: 0.3s ease;
}

/* Underline animation */
.nav-link::after,
.dropdown-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: #2563eb;
  transition: 0.3s ease;
}

.nav-link:hover::after,
.dropdown-toggle:hover::after {
  width: 100%;
}
/* Keep underline for active page link */
.nav-link.active::after,
.dropdown-toggle.active::after {
  width: 100%;
}


/* ================= DROPDOWN ================= */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 50px;
  left: 0;
  min-width: 260px;
  background: white;
  border-radius: 16px;
  padding: 15px 0;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: 0.3s ease;
}

.dropdown-menu a {
  display: block;
  padding: 12px 25px;
  color: #1f2937;
  text-decoration: none;
  font-size: 14px;
  transition: 0.2s ease;
}

.dropdown-menu a:hover {
  background: #f1f5f9;
  color: #2563eb;
  padding-left: 30px;
}

/* Desktop hover */
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ================= LOGIN ================= */
.login-btn {
  padding: 10px 22px;
  border-radius: 25px;
  background: #2563eb;
  color: white;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s ease;

  /* 🔥 pulse animation */
  animation: pulseGlow 2.0s infinite;
}

/* hover overrides animation slightly */
.login-btn:hover {
  background: #1e4fd8;
  transform: translateY(-2px);
  animation: none;
}

/* ================= PULSE ANIMATION ================= */
@keyframes pulseGlow {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.5);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 99, 235, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
  }
}

/* ================= HAMBURGER ================= */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #1f2937;
  border-radius: 3px;
  transition: 0.3s ease;
}

/* Animate hamburger into X */
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ================= MOBILE ================= */
@media (max-width: 900px) {

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 280px;
    background: white;
    flex-direction: column;
    padding: 120px 30px;
    gap: 25px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: 0.4s ease;
  }

  .nav.active {
    right: 0;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: 15px;
    display: none;
  }

  .dropdown.open .dropdown-menu {
    display: block;
  }

  .hamburger {
    display: flex;
  }
}

    /* Hero Section */

.prisma-hero {
  padding: 10px 8% 80px;
  background: #fff;
}



.prisma-hero .hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: 1200px;
  margin: auto;
  flex-wrap: wrap;
}


/* TOP HERO LOGOS */

.hero-top-logos{
  display:flex;
  align-items:center;
  gap:20px;
  margin-bottom:24px;
}

.hero-top-logo{
  width:200px;
  height:auto;
  object-fit:contain;
  display:block;
}

/* TABLET */

@media (max-width:992px){

  .hero-top-logos{
    justify-content:center;
  }

}

/* MOBILE */

@media (max-width:480px){

  .hero-top-logos{
    gap:12px;
  }

  .hero-top-logo{
    width:105px;
  }

}

.prisma-hero .hero-content {
  flex: 1;
}

.prisma-hero .hero-content h1 {
  font-size: 2.8rem;
  margin-bottom: 20px;
  font-family: "Montserrat", sans-serif;
  color: #1f2937;
}

.prisma-hero .hero-content p {
  font-size: 1.1rem;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 25px;
}

.prisma-hero .hero-content .btn-primary {
  background-color: #2563eb;
  color: #fff;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.3s ease;
}

.prisma-hero .hero-content .btn-primary:hover {
  background-color: #1e40af;
}

.hero-buttons {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  padding: 14px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
   font-family: "Inter", sans-serif;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.45);
}

.btn-hero2 {
  border: 1px solid rgba(255,255,255,0.35);
  color: #0077ff;
  padding: 14px 26px;
  border-radius: 10px;
  text-decoration: none;
  margin-left: 12px;
  font-size: 14px;
  transition: all 0.3s ease;
   font-family: "Inter", sans-serif;
   border-color: #0077ff;
   font-weight: 600;
}

.btn-hero2:hover {
    transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.45);
}



.prisma-hero .hero-image {
  flex: 1;
}

/* Hero Image Adjustment */
.prisma-hero .hero-image {
  flex: 1;
  max-width: 450px; /* limit the width */
  margin: auto;     /* center on smaller screens */
}

.prisma-hero .hero-image img {
  width: 100%;
  max-width: 100%;  /* ensures responsiveness */
  border-radius: 20px;
  
}

/* Tablet */
@media (max-width: 992px) {
  .prisma-hero {
    padding: 130px 6% 80px;
  }

  .prisma-hero .hero-container {
    flex-direction: column;
    text-align: center;
  }
    .btn-hero2 {
    margin-left: 0;
    margin-top: 12px;
    display: inline-block;
  }


}

/* Mobile */
@media (max-width: 768px) {
  .prisma-hero {
    padding: 110px 6% 60px;
  }

  .prisma-hero .hero-image {
    max-width: 340px;
  }
}





/* =========================
   ABOUT SECTION BASE
========================= */

.about-section {
  padding: 120px 6%;
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #f7fbff 60%,
    #f1f7ff 100%
  );
  overflow: hidden;
}

.about-inner {
  max-width: 1250px;
  margin: 0 auto;
}

/* =========================
   MAIN LAYOUT
========================= */

.about-text-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 80px;
}

/* =========================
   TEXT
========================= */

.about-text {
  flex: 1;
  max-width: 620px;
}

.about-text h3 {
  font-size: 0.95rem;
  color: #2563eb;
  letter-spacing: 2px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.about-text h2 {
  font-size: 3.2rem;
  color: #0f172a;
  margin-bottom: 22px;
  line-height: 1.15;
  font-family: "Montserrat", sans-serif;
}

.about-text h2 span {
  color: #2563eb;
}

.about-text p {
  font-size: 1.05rem;
  line-height: 1.9;
  color: #334155;
  margin-bottom: 18px;
}

/* =========================
   BIG IMAGE
========================= */

.about-image {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

.about-image::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  background: rgba(37, 99, 235, 0.10);
  border-radius: 50%;
  filter: blur(70px);
  z-index: 1;
}

.about-image img {
  position: relative;
  z-index: 2;

  width: 100%;
  max-width: 520px;

  border-radius: 28px;

  box-shadow:
    0 30px 70px rgba(15, 23, 42, 0.16);

  transition: 0.4s ease;
}

.about-image img:hover {
  transform: translateY(-8px) scale(1.02);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 950px) {

  .about-text-wrapper {
    flex-direction: column;
    gap: 50px;
  }

  .about-text {
    max-width: 100%;
  }

  .about-image img {
    max-width: 100%;
  }

}

@media (max-width: 600px) {

  .about-section {
    padding: 90px 5%;
  }

  .about-text h2 {
    font-size: 2.3rem;
  }

  .about-text p {
    font-size: 1rem;
  }

  .about-image img {
    border-radius: 22px;
  }

}
/* =================================
   PRISMA COMPARISON SECTION
================================= */

.prisma-section {
  padding: 120px 8%;
  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f7faff 100%
    );
}

/* CONTAINER */
.prisma-container {
  max-width: 1400px;
  margin: 0 auto;
}

/* =================================
   HEADER
================================= */

.prisma-header {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 80px;
}

.prisma-header img {
  width: 250px;
  max-width: 100%;
  height: auto;
}

/* Tablet & Mobile */
@media (max-width: 992px) {
  .prisma-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .prisma-header img {
    display: block;
    margin: 0 auto;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .prisma-header img {
    width: 160px;
    align-items: center;
  }
}

/* Small Phones */
@media (max-width: 480px) {
  .prisma-header img {
    width: 130px;
    align-items: center;
  }
}
/* HEADING */
.prisma-heading h2 {
  font-size: 3rem;
  color: #001f3f;

  margin-bottom: 18px;

  font-family: "Montserrat", sans-serif;
  font-weight: 700;

  line-height: 1.15;
}

.prisma-heading p {
  font-size: 1.08rem;
  line-height: 1.9;

  color: #64748b;

  max-width: 850px;

  font-family: "Inter", sans-serif;
}

/* =================================
   GRID
================================= */

.prisma-grid {
  display: grid;

  /* 🔥 MUCH WIDER CARDS */
  grid-template-columns: repeat(2, minmax(480px, 1fr));

  gap: 40px;

  max-width: 1250px;
  margin: 0 auto;
}

/* =================================
   CARD
================================= */

.prisma-card {
  position: relative;

  background: #ffffff;

  border-radius: 28px;
  overflow: hidden;

  border: 1px solid rgba(37,99,235,0.08);

  box-shadow:
    0 12px 35px rgba(0,0,0,0.05),
    0 28px 70px rgba(37,99,235,0.08);

  transition:
    transform 0.45s ease,
    box-shadow 0.45s ease,
    border-color 0.45s ease;

  display: flex;
  flex-direction: column;

  width: 100%;
}

/* glow overlay */
.prisma-card::before {
  content: "";

  position: absolute;
  inset: 0;

  background:
    radial-gradient(
      circle at top,
      rgba(59,130,246,0.10),
      transparent 65%
    );

  opacity: 0;

  transition: opacity 0.4s ease;

  pointer-events: none;
}

/* hover */
.prisma-card:hover {
  transform: translateY(-12px);

  border-color: rgba(37,99,235,0.18);

  box-shadow:
    0 22px 60px rgba(0,0,0,0.08),
    0 35px 90px rgba(37,99,235,0.18);
}

.prisma-card:hover::before {
  opacity: 1;
}

/* FEATURED */
.prisma-card.featured {
  border: 2px solid rgba(37,99,235,0.18);

  background:
    linear-gradient(
      180deg,
      #ffffff 0%,
      #f3f8ff 100%
    );
}

/* =================================
   IMAGE
================================= */

.prisma-card img {
  width: 100%;
  height: 320px;

  object-fit: contain;

  padding: 22px;

  display: block;

  transition: transform 0.5s ease;
}

.prisma-card:hover img {
  transform: scale(1.04);
}

/* =================================
   CONTENT
================================= */

.prisma-content {
  padding: 0 34px 34px;
  flex-grow: 1;
}

/* TITLE */
.prisma-content h3 {
  font-size: 1.5rem;
  color: #001f3f;

  margin-bottom: 16px;

  font-family: "Montserrat", sans-serif;
  font-weight: 700;

  line-height: 1.3;
}

/* TEXT */
.prisma-content p {
  font-size: 1rem;
  line-height: 1.9;

  color: #64748b;

  font-family: "Inter", sans-serif;
}

/* =================================
   LARGE TABLET
================================= */

@media (max-width: 1200px) {

  .prisma-grid {
    grid-template-columns: 1fr;

    max-width: 750px;
  }

}

/* =================================
   TABLET
================================= */

@media (max-width: 900px) {

  .prisma-section {
    padding: 90px 6%;
  }

  .prisma-header {
    flex-direction: column;
    align-items: flex-start;

    gap: 28px;

    margin-bottom: 60px;
  }

  .prisma-header img {
    width: 120px;
  }

  .prisma-heading h2 {
    font-size: 2.2rem;
  }

  .prisma-heading p {
    font-size: 1rem;
  }

  .prisma-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

}

/* =================================
   MOBILE
================================= */

@media (max-width: 650px) {

  .prisma-section {
    padding: 75px 5%;
  }

  .prisma-header {
    gap: 22px;
  }

  .prisma-heading h2 {
    font-size: 1.8rem;
  }

  .prisma-heading p,
  .prisma-content p {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .prisma-card {
    border-radius: 22px;
  }

  .prisma-card img {
    height: 240px;
    padding: 18px;
  }

  .prisma-content {
    padding: 0 24px 26px;
  }

  .prisma-content h3 {
    font-size: 1.2rem;
  }

}



/* ================= COLLECTION SECTION ================= */
.collection-section {
  max-width: 1150px;
  margin: 0 auto;
  padding: 110px 8%;
  margin-top: -80px;
}

/* HEADING */
.collection-section h2 {
  font-size: 2.5rem; /* 🔥 bigger heading */
  font-family: "Montserrat", sans-serif;
  color: #001f3f;

  margin-bottom: 28px;
  line-height: 1.15;
}

/* TEXT */
.collection-section p {
  font-family: "Inter", sans-serif;
  font-size: 1.1rem; /* 🔥 bigger paragraph */
  line-height: 2;
  color: #4b5563;
}

/* HIGHLIGHT */
.collection-section .highlight {
  color: #2563eb;
  font-weight: 600;
}

/* ================= TABLET ================= */
@media (max-width: 900px) {
  .collection-section {
    padding: 85px 6%;
  }

  .collection-section h2 {
    font-size: 2.3rem;
  }

  .collection-section p {
    font-size: 1.05rem;
    line-height: 1.9;
  }
}

/* ================= MOBILE ================= */
@media (max-width: 600px) {
  .collection-section {
    padding: 70px 5%;
  }

  .collection-section h2 {
    font-size: 1.9rem;
  }

  .collection-section p {
    font-size: 0.98rem;
    line-height: 1.8;
  }
}

/* ================= SMALL PHONES ================= */
@media (max-width: 400px) {
  .collection-section h2 {
    font-size: 1.6rem;
  }

  .collection-section p {
    font-size: 0.92rem;
  }
}


/* ==============================
   DVS TECHNOLOGY SECTION
================================= */

.dvs-section {

  padding: 110px 8%;

  position: relative;

  overflow: hidden;

  background:
    radial-gradient(circle at top left, #ffffff 0%, transparent 45%),
    radial-gradient(circle at top right, #ffffff 0%, transparent 45%),
    radial-gradient(circle at bottom left, #ffffff 0%, transparent 45%),
    radial-gradient(circle at bottom right, #ffffff 0%, transparent 45%),
    linear-gradient(
      135deg,
      #ffffff 0%,
      #f5f9ff 35%,
      #e8f1ff 70%,
      #ffffff 100%
    );
}

/* soft glow background effect */
.dvs-section::after {

  content: "";

  position: absolute;

  top: -120px;
  right: -120px;

  width: 400px;
  height: 400px;

  background: radial-gradient(
    circle,
    rgba(37,99,235,0.12),
    transparent 70%
  );

  pointer-events: none;
}

/* ==============================
   CONTAINER
================================= */

.dvs-container {

  max-width: 1300px;

  margin: 0 auto;

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 70px;

  align-items: center;
}

/* ==============================
   LEFT SIDE
================================= */

.dvs-left {

  color: #0f172a;
}

.dvs-logos{
  display:flex;
  align-items:center;
  gap:20px;
  margin-bottom:20px;
}

.dvs-logo{
  max-width:180px;
  height:auto;
  object-fit:contain;
}

.dvs-left h2 {

  font-size: 3rem;

  margin-bottom: 24px;

  color: #0f172a;

  font-family: "Montserrat", sans-serif;
}

.dvs-left h4 {

  font-size: 1.2rem;

  line-height: 1.7;

  margin-bottom: 28px;

  color: #1f2937;

  font-weight: 600;
}

.dvs-left p {

  font-size: 1rem;

  line-height: 1.9;

  color: #4b5563;

  margin-bottom: 18px;
}

/* ==============================
   RIGHT SIDE
================================= */

.dvs-right {

  color: #111827;
}

.dvs-points {

  display: flex;

  flex-direction: column;

  gap: 22px;

  margin-bottom: 35px;
}

.dvs-point p {

  font-size: 1rem;

  line-height: 1.8;

  color: #374151;
}

.dvs-description p {

  font-size: 1rem;

  line-height: 1.9;

  color: #4b5563;
}

/* ==============================
   IMAGE
================================= */

.dvs-image {

  border-radius: 22px;
  margin-top: 20px;
  overflow: hidden;

  box-shadow: 0 25px 60px rgba(0,0,0,0.12);
}

.dvs-image img {

  width: 100%;

  display: block;

  height: auto;
}

/* ==============================
   TABLET
================================= */
@media (max-width: 1024px) {
  .dvs-container {
    gap: 45px;
  }

  .dvs-left h2 {
    font-size: 2.3rem;
  }
}

/* ==============================
   MOBILE
================================= */

@media (max-width: 900px) {

  .dvs-section {
    padding: 80px 6%;
  }

  .dvs-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .dvs-left,
  .dvs-right {
    text-align: center;
  }

  .dvs-logos {
    justify-content: center;
    flex-wrap: wrap;
  }

  .dvs-logo {
    width: 200px;
  }

  .dvs-left h2 {
    font-size: 2rem;
  }

  .dvs-left h4 {
    font-size: 1.05rem;
  }
}

/* ==============================
   SMALL PHONES
================================= */

@media (max-width: 600px) {

  .dvs-section {
    padding: 60px 5%;
  }

  .dvs-container {
    gap: 35px;
  }

  .dvs-logos {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .dvs-logo {
    width: 160px;
  }

  .dvs-left h2 {
    font-size: 1.6rem;
  }

  .dvs-left h4 {
    font-size: 1rem;
    line-height: 1.6;
  }

  .dvs-left p,
  .dvs-point p,
  .dvs-description p {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .dvs-image {
    margin-top: 15px;
  }
}


/* =========================
   DAFD SECTION
========================= */

.dafd-section {

  padding: 100px 5%;

  background: #ffffff;
}

/* CONTAINER */

.dafd-container {

  position: relative;

  overflow: hidden;

  border-radius: 28px;

  padding: 70px 60px 140px;



      background:
    linear-gradient(
      135deg,
      #1d1b1f 0%,
      #2a262d 50%,
      #1f1b22 100%
    );

  box-shadow:
    0 30px 80px rgba(0,0,0,0.15);
}

/* TOP */

.dafd-top {

  display: flex;

  justify-content: space-between;

  align-items: flex-start;

  margin-bottom: 20px;
}



/* DAFD MAIN LOGO */

.dafd-logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  padding: 0;
  border: none;
}

.dafd-main-logo {
  width: 420px;
  max-width: 100%;
  height: auto;
  object-fit: contain;

  opacity: 0.95;

  /* REAL glow effect (no box feel) */
  filter:
    drop-shadow(0 0 18px rgba(255, 255, 255, 0.9))
    drop-shadow(0 0 50px rgba(255, 255, 255, 0.6));

  background: transparent;
}
/* TABLET */

@media (max-width: 768px) {

  .dafd-main-logo {

    width: 260px;
  }
}

/* SMALL PHONES */

@media (max-width: 480px) {

  .dafd-main-logo {

    width: 210px;
  }
}

/* PRISMA LOGO */

.dafd-prisma-logo {

  width: 150px;

  height: auto;

  object-fit: contain;
}

/* SUBTITLE */

.dafd-subtitle {

  max-width: 850px;

  font-size: 1.5rem;

  line-height: 1.5;

  color: rgba(255,255,255,0.58);

  margin-bottom: 70px;
}

/* CONTENT */

.dafd-content {

  position: relative;

  z-index: 2;
}

.dafd-content h2 {

  font-size: 3rem;

  margin-bottom: 28px;

  color: white;

  font-family: "Montserrat", sans-serif;
}

.dafd-content p {

  font-size: 1.15rem;

  line-height: 1.8;

  color: rgba(255,255,255,0.92);

  margin-bottom: 28px;

  max-width: 1200px;
}

/* WAVE EFFECT */

.dafd-wave {

  position: absolute;

  left: 0;

  bottom: 0;

  width: 100%;

  height: 220px;

  background:
    radial-gradient(circle at 10% 100%, #34d399 0%, transparent 35%),
    radial-gradient(circle at 35% 100%, #f59e0b 0%, transparent 35%),
    radial-gradient(circle at 60% 100%, #ec4899 0%, transparent 35%),
    radial-gradient(circle at 85% 100%, #8b5cf6 0%, transparent 35%);

  opacity: 0.9;

  filter: blur(40px);
}

/* =========================
   TABLET
========================= */

@media (max-width: 1024px) {

  .dafd-container {

    padding: 60px 40px 120px;
  }

  .dafd-logo-text {

    font-size: 5rem;

    letter-spacing: 12px;
  }

  .dafd-content h2 {

    font-size: 2.3rem;
  }

  .dafd-subtitle {

    font-size: 1.2rem;
  }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {

  .dafd-section {

    padding: 70px 5%;
  }

  .dafd-container {

    padding: 50px 28px 100px;

    border-radius: 22px;
  }

  .dafd-top {

    flex-direction: column;

    gap: 25px;
  }

  .dafd-logo-text {

    font-size: 3.5rem;

    letter-spacing: 8px;
  }

  .dafd-prisma-logo {

    width: 90px;
  }

  .dafd-subtitle {

    font-size: 1rem;

    margin-bottom: 50px;
  }

  .dafd-content h2 {

    font-size: 2rem;
  }

  .dafd-content p {

    font-size: 1rem;

    line-height: 1.7;
  }
}

/* =========================
   SMALL PHONES
========================= */

@media (max-width: 480px) {

  .dafd-container {

    padding: 40px 22px 90px;
  }

  .dafd-logo-text {

    font-size: 2.7rem;

    letter-spacing: 6px;
  }

  .dafd-content h2 {

    font-size: 1.6rem;
  }

  .dafd-content p {

    font-size: 0.95rem;
  }
}












/* =========================
   PRISMA DAFD SECTION
========================= */

.prisma-dafd-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);

  padding: 140px 8%;
  background: linear-gradient(
    135deg,
    #1d1b1f 0%,
    #2a262d 50%,
    #1f1b22 100%
  );

  overflow: hidden;
  position: relative;
}

/* optional soft glow layer */
.prisma-dafd-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top,
    rgba(59,130,246,0.12),
    transparent 60%
  );
  pointer-events: none;
}

/* =========================
   CONTAINER
========================= */

.prisma-dafd-container {
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* =========================
   TOP LAYOUT
========================= */

.prisma-dafd-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 90px;
  align-items: center;
  margin-bottom: 100px;
}

/* =========================
   TEXT
========================= */

.prisma-dafd-text h2 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 28px;
  color: #ffffff;
  font-family: "Montserrat", sans-serif;
}

.prisma-dafd-text p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.82);
  margin-bottom: 18px;
  font-family: "Inter", sans-serif;
}

/* =========================
   IMAGE
========================= */

.prisma-dafd-image {
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 35px 80px rgba(0,0,0,0.4);
}

.prisma-dafd-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* =========================
   FEATURES
========================= */

.prisma-dafd-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 80px;
}

.prisma-dafd-feature {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 36px;
  border-radius: 22px;
  backdrop-filter: blur(12px);
  transition: all 0.35s ease;
}

.prisma-dafd-feature:hover {
  transform: translateY(-6px);
  border-color: rgba(59,130,246,0.35);
  box-shadow: 0 25px 55px rgba(37,99,235,0.12);
}

.prisma-dafd-feature h3 {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 14px;
  font-family: "Montserrat", sans-serif;
}

.prisma-dafd-feature p {
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
  font-size: 1rem;
}

/* =========================
   BOTTOM TEXT
========================= */

.prisma-dafd-bottom {
  text-align: center;
}

.prisma-dafd-bottom p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.9;
  max-width: 900px;
  margin: 0 auto;
}

/* =========================
   TABLET
========================= */

@media (max-width: 1024px) {
  .prisma-dafd-section {
    padding: 110px 6%;
  }

  .prisma-dafd-top {
    gap: 60px;
  }

  .prisma-dafd-text h2 {
    font-size: 2.6rem;
  }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {
  .prisma-dafd-section {
    padding: 90px 5%;
  }

  .prisma-dafd-top {
    grid-template-columns: 1fr;
    gap: 50px;
    text-align: center;
  }

  .prisma-dafd-features {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .prisma-dafd-text h2 {
    font-size: 2.1rem;
  }

  .prisma-dafd-bottom p {
    font-size: 1rem;
  }
}

/* =========================
   SMALL PHONES
========================= */

@media (max-width: 480px) {
  .prisma-dafd-text h2 {
    font-size: 1.8rem;
  }

  .prisma-dafd-text p,
  .prisma-dafd-feature p,
  .prisma-dafd-bottom p {
    font-size: 0.95rem;
  }

  .prisma-dafd-feature {
    padding: 26px;
  }
}




/* =================================
   PRISMA GALLERY
================================= */
.prisma-gallery {

  display: flex;
  flex-direction: column;

  gap: 80px;


}

.gallery-download-wrapper {
  text-align: center;
  margin-top: 30px;
}

/* hidden on desktop */
.download-all-btn {
  display: none;

  background: #0077ff;
  color: #fff;

  padding: 14px 22px;
  border-radius: 12px;

  font-size: 14px;
  font-weight: 600;
  text-decoration: none;

  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* show only on mobile */
@media (max-width: 768px) {
  .download-all-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* IMAGE WRAPPER */

.prisma-gallery-item {

  width: 100%;

  display: flex;
  justify-content: center;
  align-items: center;

  overflow: hidden;

  border-radius: 24px;

  background: #fff;

  box-shadow: 0 20px 60px rgba(0,0,0,0.08);

  transition: all 0.35s ease;
}

/* IMAGE */

.prisma-gallery-item img {

  width: 100%;

  max-width: 1800px;

  height: auto;

  object-fit: contain;   /* KEY FIX: no cropping */

  display: block;

  margin: 0 auto;

  transition: transform 0.45s ease;
}

/* HOVER */

.prisma-gallery-item:hover {

  transform: translateY(-6px);

  box-shadow: 0 35px 80px rgba(37,99,235,0.14);
}

.prisma-gallery-item:hover img {

  transform: scale(1.02);
}

/* =================================
   TABLET
================================= */

@media (max-width: 768px) {

  .prisma-gallery {

    padding: 70px 5%;

    gap: 35px;
  }

  .prisma-gallery-item {

    border-radius: 18px;
  }

  .prisma-gallery-item img {

    width: 100%;

    height: auto;

    object-fit: contain;
  }
}

/* =================================
   MOBILE
================================= */

@media (max-width: 480px) {

  .prisma-gallery {

    padding: 55px 4%;

    gap: 24px;
  }

  .prisma-gallery-item {

    border-radius: 14px;
  }

  .prisma-gallery-item img {

    width: 100%;

    height: auto;

    object-fit: contain;
  }
}


/* =================================
   DESIGN BLOCKS SECTION
================================= */

.design-blocks {
  padding: 100px 8%;
  background: #ffffff;
}

/* =================================
   CONTAINER
================================= */

.design-blocks .design-container {
  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 80px;

  max-width: 1200px;
  margin: 0 auto 80px;

  flex-wrap: nowrap;
}

/* reverse layout */
.design-blocks .design-container.reverse {
  flex-direction: row-reverse;
}

/* =================================
   IMAGE SECTION
================================= */

.design-blocks .design-image {
  flex: 1.4; /* makes layout difference visible */
  display: flex;
  align-items: center;
  justify-content: center;
}

.design-blocks .design-image img {
  width: 100%;
  max-width: 100%;
  height: auto;

  display: block;

  object-fit: contain;

  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

  transition: transform 0.3s ease;
}

.design-blocks .design-image img:hover {
  transform: scale(1.03);
}

/* =================================
   CONTENT SECTION
================================= */

.design-blocks .design-content {
  flex: 1;
}

/* =================================
   HEADING
================================= */

.design-blocks .design-heading {
  display: flex;
  align-items: center;
  gap: 12px;

  margin-bottom: 20px;
}

.design-blocks .design-heading img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.design-blocks .design-heading h2 {
  font-size: 2rem;
  margin: 0;

  color: #001f3f;
  font-family: "Montserrat", sans-serif;
}

/* =================================
   TEXT
================================= */

.design-blocks .design-content p {
  font-size: 1rem;
  line-height: 1.8;

  margin-bottom: 25px;

  color: #4b5563;
  font-family: "Inter", sans-serif;
}

/* =================================
   LIST
================================= */

.design-blocks .design-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.design-blocks .design-content ul li {
  margin-bottom: 10px;

  font-size: 0.95rem;
  line-height: 1.7;

  color: #1f2937;

  font-family: "Inter", sans-serif;
}

/* =================================
   TABLET
================================= */

@media (max-width: 900px) {

  .design-blocks {
    padding: 80px 6%;
  }

  .design-blocks .design-container,
  .design-blocks .design-container.reverse {
    flex-direction: column;
    gap: 30px;
    margin-bottom: 70px;
  }

  .design-blocks .design-content {
    width: 100%;
  }

  .design-blocks .design-heading h2 {
    font-size: 1.7rem;
  }

  .design-blocks .design-content p {
    font-size: 0.95rem;
  }
}

/* =================================
   MOBILE
================================= */

@media (max-width: 600px) {

  .design-blocks {
    padding: 65px 5%;
  }

  .design-blocks .design-container {
    gap: 25px;
    margin-bottom: 60px;
  }

  .design-blocks .design-heading h2 {
    font-size: 1.4rem;
  }

  .design-blocks .design-content p {
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .design-blocks .design-content ul li {
    font-size: 0.88rem;
  }
}
/* ================= PRODUCT HERO ================= */

.product-hero {
  padding: 100px 8%;
  background: #ffffff;
}

.product-container {
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.product-text {
  flex: 1;
}

.product-text h2 {
  font-size: 2.4rem;
  margin-bottom: 20px;
  color: #001f3f;
  font-family: "Montserrat", sans-serif;
}

.product-text .lead {
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #111827;
}

.product-text p {
  line-height: 1.7;
  margin-bottom: 18px;
  color: #4b5563;
  font-family: "Inter", sans-serif;
}

.product-image {
  flex: 1;
}

.product-image img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}




    main {
      padding: 2rem 1rem;
      max-width: 1200px;
      margin: 0 auto;
    }

    section {
      margin-bottom: 3rem;
    }

    section h2 {
      font-size: 1.5rem;
      color: #001f3f;
      margin-bottom: 1rem;
      font-family: "Montserrat", sans-serif;
    }




/* =======================
   MYOPIAX EXPLAINED
======================= */

.myopia-explained {
  max-width: 1250px;
  margin: 100px auto;
  padding: 0 6%;
}

/* =======================
   HEADER
======================= */

.myopia-explained .section-header {
  text-align: center;
  margin-bottom: 70px;
}

.myopia-explained .section-header h1 {
  font-size: 2.8rem;
  color: #001f3f;
  margin-bottom: 18px;
  font-family: "Montserrat", sans-serif;
}

.myopia-explained .section-header p {
  font-size: 1.1rem;
  color: #4b5563;
  line-height: 1.8;
  max-width: 850px;
  margin: 0 auto;
}

/* =======================
   BLOCK LAYOUT
======================= */

.myopia-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 70px;
  margin-bottom: 90px;
}

/* IMAGE */

.myopia-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.myopia-image img {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.myopia-image img:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.16);
}

/* =======================
   TEXT
======================= */

.myopia-text {
  flex: 1.2;
}

.myopia-text h2 {
  font-size: 2.2rem;
  color: #001f3f;
  margin-bottom: 18px;
  font-family: "Montserrat", sans-serif;
}

.myopia-text p {
  font-size: 1.15rem;
  color: #4b5563;
  line-height: 1.85;
  margin-bottom: 14px;
}

/* =======================
   RESPONSIVE (CLEAN SYSTEM)
======================= */

/* LAPTOP / SMALL DESKTOP */
@media (max-width: 1100px) {
  .myopia-block {
    gap: 45px;
  }

  .myopia-text h2 {
    font-size: 2rem;
  }

  .myopia-text p {
    font-size: 1.05rem;
  }
}

/* TABLET */
@media (max-width: 768px) {

  .myopia-explained {
    margin: 80px auto;
  }

  .myopia-block {
    flex-direction: column;
    text-align: left; /* keeps readability clean */
    gap: 30px;
    margin-bottom: 70px;
  }

  .myopia-image {
    width: 100%;
  }

  .myopia-image img {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 4 / 3;
    margin: 0 auto;
  }

  .myopia-text {
    width: 100%;
  }

  .myopia-text h2 {
    font-size: 1.7rem;
  }

  .myopia-text p {
    font-size: 1rem;
    line-height: 1.75;
  }
}

/* MOBILE */
@media (max-width: 480px) {

  .myopia-explained {
    padding: 0 5%;
    margin: 70px auto;
  }

  .myopia-explained .section-header h1 {
    font-size: 2rem;
  }

  .myopia-explained .section-header p {
    font-size: 0.95rem;
  }

  .myopia-text h2 {
    font-size: 1.4rem;
  }

  .myopia-text p {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .myopia-image img {
    border-radius: 16px;
    max-width: 100%;
  }
}



/* =======================
   FULL WIDTH CTA SECTION
======================= */

.cta-section {

  width: 100vw;

  margin-left: calc(50% - 50vw);

  margin-right: calc(50% - 50vw);

  padding: 100px 8%;

  text-align: center;

  color: #0f172a;

  border-radius: 0;

  overflow: hidden;

  background:
    linear-gradient(
      135deg,
      #ffffff 0%,
      #eef5ff 45%,
      #dbeafe 100%
    );

  box-shadow:
    0 20px 60px rgba(37,99,235,0.08);
}

/* HEADING */

.cta-section h2 {

  font-size: 3rem;

  line-height: 1.2;

  margin-bottom: 20px;

  color: #0f172a;
}

/* TEXT */

.cta-section p {

  font-size: 1.15rem;

  line-height: 1.8;

  margin-bottom: 35px;

  color: #475569;

  max-width: 750px;

  margin-left: auto;

  margin-right: auto;
}

/* BUTTON */

.cta-section .btn-primary {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  padding: 14px 32px;

  background:
    linear-gradient(
      135deg,
      #2563eb,
      #3b82f6
    );

  color: white;

  font-weight: 600;

  border-radius: 999px;

  text-decoration: none;

  transition: 0.3s ease;
}

.cta-section .btn-primary:hover {

  transform: translateY(-2px);

  box-shadow:
    0 15px 35px rgba(37,99,235,0.25);
}

/* =======================
   TABLET
======================= */

@media (max-width: 1024px) {

  .cta-section {

    padding: 90px 6%;
  }

  .cta-section h2 {

    font-size: 2.5rem;
  }

  .cta-section p {

    font-size: 1.05rem;
  }
}

/* =======================
   MOBILE
======================= */

@media (max-width: 768px) {

  .cta-section {

    padding: 80px 5%;
  }

  .cta-section h2 {

    font-size: 2rem;
  }

  .cta-section p {

    font-size: 1rem;

    line-height: 1.7;
  }

  .cta-section .btn-primary {

    width: 100%;

    max-width: 280px;
  }
}

/* =======================
   SMALL PHONES
======================= */

@media (max-width: 480px) {

  .cta-section {

    padding: 65px 5%;
  }

  .cta-section h2 {

    font-size: 1.7rem;
  }

  .cta-section p {

    font-size: 0.95rem;
  }
}

/*footer*/
.footer {
  background: #0f172a;
  color: #fff;
  padding: 80px 8% 30px 8%;
  font-family: "Inter", sans-serif;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
}

.footer-branding img {
  width: 250px;
  margin-bottom: 20px;
}

.footer-tagline {
  max-width: 300px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #fff;
}

.footer-column h3 {
  margin-bottom: 18px;
  color: white;
  font-size: 16px;
}

.footer-column a {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
}

.footer-column a:hover {
  color: #2563eb;
  transform: translateX(4px);
}

.footer-column p {
  margin-bottom: 8px;
  font-size: 14px;
  color: #fff;
}

.footer-small {
  margin-top: 12px;
  font-size: 13px;
  color: #fff;
}

/* Social Links */
.footer-socials a {
  margin-right: 15px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  transition: 0.3s;
}

.footer-socials a:hover {
  color: #2563eb;
}

/* Divider */
.footer-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 50px 0 25px 0;
}

/* Bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #fff;
}

.footer-legal a {
  margin-left: 20px;
  text-decoration: none;
  color: #fff;
  transition: 0.3s;
}

.footer-legal a:hover {
  color: #2563eb;
}

/* =============================
   FOOTER RESPONSIVE
============================= */

/* Tablets (≤ 1024px) */
@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer {
    padding: 70px 6% 30px 6%;
  }
}

/* Mobile (≤ 768px) */
@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 35px;
    text-align: center;
  }

  .footer-branding img {
    margin: 0 auto 20px auto;
  }

  .footer-tagline {
    margin: 0 auto 20px auto;
  }

  .footer-column a {
    transform: none;
  }

  .footer-socials {
    justify-content: center;
  }

  .footer-socials a {
    margin: 0 10px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .footer-legal a {
    margin: 0 10px;
  }
}

/* Small Mobile (≤ 480px) */
@media (max-width: 480px) {
  .footer {
    padding: 60px 5% 25px 5%;
  }

  .footer-column h3 {
    font-size: 15px;
  }

  .footer-column p,
  .footer-column a {
    font-size: 13px;
  }
}

    @media (max-width: 768px) {
      header h1 {
        font-size: 1.5rem;
      }
      section h2 {
        font-size: 1.3rem;
      }
    }

/* ================================
   SCROLL REVEAL BASE (Apple Style)
================================ */

/* Hidden state */
.reveal{
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}

/* When visible */
.reveal.active{
  opacity: 1;
  transform: translateY(0) scale(1);
}


/* ================================
   DIRECTION VARIATIONS
================================ */

/* From left */
.reveal-left{
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s ease;
}

.reveal-left.active{
  opacity: 1;
  transform: translateX(0);
}

/* From right */
.reveal-right{
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s ease;
}

.reveal-right.active{
  opacity: 1;
  transform: translateX(0);
}

/* Zoom in */
.reveal-zoom{
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.7s ease;
}

.reveal-zoom.active{
  opacity: 1;
  transform: scale(1);
}


/* ================================
   STAGGER EFFECT (Apple feel)
================================ */

.reveal:nth-child(1){ transition-delay: 0.1s; }
.reveal:nth-child(2){ transition-delay: 0.2s; }
.reveal:nth-child(3){ transition-delay: 0.3s; }
.reveal:nth-child(4){ transition-delay: 0.4s; }
.reveal:nth-child(5){ transition-delay: 0.5s; }





/* ================================
   PERFORMANCE OPTIMIZATION
================================ */

.reveal,
.reveal-left,
.reveal-right,
.reveal-zoom{
  will-change: transform, opacity;
}


/* ================================
   OPTIONAL: DISABLE ON SMALL DEVICES
================================ */

@media (max-width: 600px){
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-zoom{
    transform: none;
    opacity: 1;
    transition: none;
  }
}
/* WHATSAPP FLOAT BUTTON */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;

  background: linear-gradient(135deg, #39FF14, #00FF85);
  color: white;

  font-size: 26px;
  width: 90px;
  height: 90px;

  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;

  text-decoration: none;

  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  z-index: 999;

  transition: all 0.3s ease;

  /* 🔥 Glow effect */
  animation: pulse 2s infinite;
}

/* HOVER */
.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.6);
}

/* 🔥 PULSE ANIMATION */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* TABLET */
@media (max-width: 900px) {
  .whatsapp-float {
    width: 65px;
    height: 65px;
    font-size: 24px;
    bottom: 20px;
    right: 20px;
  }
}

/* MOBILE */
@media (max-width: 600px) {
  .whatsapp-float {
    width: 58px;
    height: 58px;
    font-size: 22px;
    bottom: 18px;
    right: 18px;
  }
}

/* SMALL MOBILE */
@media (max-width: 400px) {
  .whatsapp-float {
    width: 52px;
    height: 52px;
    font-size: 20px;
    bottom: 15px;
    right: 15px;
  }
}