:root {
  --header-height: 90px;
  --primary: #1a75ff;
  --primary-dark: #0052cc;
  --primary-light: #4d94ff;
  --secondary: #00c853;
  --secondary-dark: #009624;
  --dark: #2d3748;
  --dark-blue: #1a237e;
  --light: #f8f9fa;
  --light-blue: #e3f2fd;
  --gray: #718096;
  --light-gray: #e2e8f0;
  --white: #ffffff;
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--dark-blue) 100%
  );
  --gradient-secondary: linear-gradient(
    135deg,
    var(--secondary) 0%,
    var(--primary) 100%
  );
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  /* ✅ Enhanced mobile stability */
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent; /* Remove tap highlight */
  touch-action: manipulation; /* Better touch handling */
}

body {
  font-family: "Open Sans", sans-serif;
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--light);
  /* ✅ Critical: Prevent initial flash and ensure proper rendering */
  opacity: 0;
  animation: bodyFadeIn 0.3s ease forwards;
  -webkit-text-size-adjust: 100%; /* Prevent font scaling on mobile */
}

@keyframes bodyFadeIn {
  to { opacity: 1; }
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  line-height: 1.3;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ================= HEADER ================= */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000; /* Increased for mobile stability */
  background: rgb(0, 0, 0);
  backdrop-filter: blur(6px);
  color: #fff;
  transition: background 0.3s;
  /* ✅ Mobile performance improvements */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.header-container {
  max-width: 1200px;
  margin: auto;
  padding: 18px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-link {
  text-decoration: none;
}

.logo-img {
  height: 100px;
  width: auto;
  border-radius: 20px;
  transition: transform 0.3s ease;
}

.logo-img:hover {
  transform: scale(1.05);
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--primary);
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
}

/* Navigation */
nav {
  margin: 0 !important;
  padding: 0;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 25px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--primary-light);
}

/* CTA Button */
.header-actions .btn {
  padding: 8px 20px;
  border-radius: 20px;
  background: rgb(241, 6, 210);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.header-actions .btn:hover {
  background: var(--secondary);
  color: #111;
  transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: #fff;
  cursor: pointer;
}

@media (max-width: 768px) {
  nav ul {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgb(0, 0, 0);
    flex-direction: column;
    padding: 20px;
    display: none;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
  }
  
  nav ul.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
}

/* ================= HERO SECTION - MOBILE FIXED ================= */
.hero {
  position: relative;
  /* ✅ CRITICAL FIX: Use dynamic viewport units */
  height: 100vh;
  height: 100dvh; /* Dynamic viewport height for mobile */
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  margin: 0;
  padding: 0;
  /* ✅ Mobile performance */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Fallback for older browsers */
@supports not (height: 100dvh) {
  .hero {
    height: 100vh;
    min-height: 100vh;
  }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
  .hero {
    height: -webkit-fill-available;
    min-height: -webkit-fill-available;
  }
}

/* Background Reveal - UPDATED for mobile stability */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: var(--hero-bg, url("https://plus.unsplash.com/premium_photo-1672759455911-d51421fe442c?w=1200&auto=format&fit=crop&q=60")) no-repeat center center/cover;
  /* ✅ REMOVED problematic clip-path animation on mobile */
  clip-path: inset(0 0 0 0);
  animation: none; /* Remove animation for mobile stability */
  transition: background-image 1s ease-in-out;
  z-index: 0;
}

/* Dark overlay */
.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.767) 0%,
    rgba(0, 0, 0, 0.733) 100%
  );
  z-index: 1;
}

/* Content */
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  padding: 0 20px;
  animation: fadeInUp 2s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
  margin-top: 0;
}

.hero-tagline {
  font-size: 1.5rem;
  margin-bottom: 25px;
  color: var(--light-gray);
}

.hero-tagline span {
  color: whitesmoke;
  font-weight: 600;
}

/* Logo drip animation */
.paint-logo {
  font-size: 2.4rem;
  font-style: oblique;
  font-weight: 700;
  margin-bottom: 25px;
  display: inline-block;
  position: relative;
  animation: drip 2s ease forwards;
  color: #fff;
}

.paint-logo::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 12px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateX(-50%) scaleY(0);
  animation: drop 1.8s ease 1s forwards;
}

/* Hero Heading */
.hero h1 {
  font-size: 3.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeSlideIn 2s ease forwards;
}

.hero h1 span {
  background: linear-gradient(
    270deg,
    #ff4d4d,
    #ffb84d,
    #4d79ff,
    #00cc88,
    #ff4d4d
  );
  background-size: 500% 500%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  animation: colorWave 8s linear infinite;
  display: inline-block;
}

/* Hero Paragraph */
.hero p {
  font-size: 1.8rem;
  margin-bottom: 35px;
  color: whitesmoke;
  line-height: 1.6;
  animation: fadeInUp 2s ease forwards;
  animation-delay: 1s;
  opacity: 0;
}

/* Buttons */
.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  animation: fadeInUp 2s ease forwards;
  animation-delay: 1.5s;
  opacity: 0;
}

.btn {
  padding: 12px 28px;
  border-radius: 35px;
  font-weight: 600;
  text-decoration: none;
  transition: 0.4s ease;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: rgb(243, 7, 184);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 0, 0, 0.644);
}

.btn-primary:hover {
  background: rgba(0, 0, 0, 0.726);
  color: whitesmoke;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 6px 16px rgba(255, 200, 0, 0.5);
}

.btn-outline {
  background: black;
  border: 2px solid transparent;
  color: white;
}

.btn-outline:hover {
  background: white;
  color: #111;
  transform: translateY(-4px) scale(1.05);
}

.btn-outline2 {
  background: goldenrod;
  border: 2px solid transparent;
  color: black;
}

.btn-outline2:hover {
  background: white;
  color: #111;
  transform: translateY(-4px) scale(1.05);
}

.btn-outline1 {
  background: rgb(148, 0, 148);
  border: 2px solid transparent;
  color: rgb(255, 184, 4);
}

.btn-outline1:hover {
  background: white;
  color: #111;
  transform: translateY(-4px) scale(1.05);
}

/* Animations */
@keyframes colorWave {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

@keyframes fadeSlideIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drip {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drop {
  to {
    transform: translateX(-50%) scaleY(1);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================= MOBILE-SPECIFIC FIXES ================= */
@media (max-width: 768px) {
  /* Critical mobile viewport fixes */
  html, body {
    height: 100%;
    width: 100%;
    position: relative;
    overflow-x: hidden;
  }
  
  .hero {
    /* ✅ Use multiple methods for maximum mobile compatibility */
    height: 100vh;
    height: 100dvh;
    height: -webkit-fill-available;
    min-height: 100vh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    margin: 0;
    padding: 0;
    /* Prevent mobile address bar issues */
    overflow: hidden;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Simplify animations for mobile performance */
  .hero::before {
    animation: none !important;
    clip-path: none !important;
  }
  
  .hero-content {
    animation-duration: 1s !important;
  }
  
  .hero h1 {
    font-size: 2.8rem;
    animation-duration: 1s !important;
  }

  .hero p {
    font-size: 1.4rem;
    animation-duration: 1s !important;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    animation-duration: 1s !important;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  /* Header adjustments for mobile */
  .header-container {
    padding: 12px 20px;
  }

  .logo-img {
    height: 80px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1.2rem;
  }

  .paint-logo {
    font-size: 1.8rem;
  }
  
  .hero {
    /* Extra insurance for small mobile devices */
    height: 100dvh !important;
    min-height: 100dvh !important;
  }
}

/* ================= TRUST BADGES ================= */
.trust-badges {
  background-color: skyblue;
  padding: 60px 0;
  text-align: center;
}

.trust-badges h3 {
  margin-bottom: 40px;
  color: black;
  font-size: 1.5rem;
}

.badges-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 150px;
  transition: var(--transition);
}

.badge:hover {
  transform: translateY(-5px);
}

.badge-icon {
  width: 70px;
  height: 70px;
  background: var(--light-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.badge-icon i {
  font-size: 30px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge span {
  font-size: 14px;
  font-weight: 600;
  color: black;
}

/* ================= WHY CHOOSE US ================= */
.why-us {
  padding: 100px 0;
  background-color: var(--white);
  position: relative;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--light);
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--gradient-primary);
  transition: var(--transition);
  z-index: -1;
  opacity: 0;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.feature-card:hover::before {
  height: 100%;
  opacity: 1;
}

.feature-card:hover h3,
.feature-card:hover p,
.feature-card:hover .feature-icon i {
  color: white;
}

.feature-icon {
  width: 80px;
  height: 80px;
  background-color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background-color: rgba(255, 255, 255, 0.2);
}

.feature-icon i {
  font-size: 35px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: var(--transition);
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 20px;
  transition: var(--transition);
}

.feature-card p {
  color: var(--gray);
  transition: var(--transition);
}

/* ================= PARTNERSHIP SECTION ================= */
.partnership {
  background: var(--gradient-primary);
  color: white;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.partnership h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}

.partnership p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 50px;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

.stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 60px;
  margin-bottom: 50px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

.partnership-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.05;
  z-index: 1;
}

.partnership-bg i {
  font-size: 300px;
  position: absolute;
}

/* ================= TRUST SIGNALS ================= */
.trust-signals {
  padding: 80px 0;
  text-align: center;
  background-color: var(--white);
}

.trust-logos {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 50px;
  margin-top: 50px;
}

.trust-logo {
  width: 120px;
  height: 80px;
  background: var(--light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.trust-logo:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.trust-logo i {
  font-size: 40px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ================= STICKY QUOTE ================= */
.sticky-quote {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgb(248, 2, 248);
  color: white;
  padding: 15px 25px;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sticky-quote:hover {
  transform: translateY(-5px);
  background: var(--gradient-secondary);
}

/* ================= FOOTER ================= */
footer {
  background-color: var(--dark);
  color: white;
  padding: 100px 0 30px;
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-column h3 {
  margin-bottom: 25px;
  font-size: 18px;
  position: relative;
  display: inline-block;
}

.footer-column h3::after {
  content: "";
  position: absolute;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  bottom: -10px;
  left: 0;
  border-radius: 2px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #cbd5e0;
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.footer-links a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-links a i {
  margin-right: 10px;
  width: 20px;
  text-align: center;
}

.newsletter {
  display: flex;
  margin-top: 15px;
}

.newsletter input {
  padding: 14px 20px;
  border: none;
  border-radius: 50px 0 0 50px;
  width: 70%;
  font-family: "Open Sans", sans-serif;
}

.newsletter button {
  padding: 14px 20px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 0 50px 50px 0;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.newsletter button:hover {
  background: var(--gradient-secondary);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ================= PAGE CONTENT ================= */
.page-content {
  display: none;
  padding: 80px 0;
  min-height: 100vh;
}

#home-page {
  display: block;
}

/* ================= CONTACT FORM ================= */
.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  font-family: "Open Sans", sans-serif;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 117, 255, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* ================= ABOUT US ================= */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  height: 400px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
}

/* Additional Animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) translateX(20px) rotate(5deg);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* ================= ADDITIONAL RESPONSIVE STYLES ================= */
@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .stats {
    flex-direction: column;
    gap: 30px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 20px;
  }
  
  .partnership h2 {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}