:root {
  --color-primary: #e50101;
  /* Vibrant Red */
  --color-secondary: #23324a;
  /* Dark Blue */
  --color-accent: #f2debb;
  /* Warm Beige */
  --color-text: #23324a;
  --color-white: #ffffff;

  --font-main: 'Inter', sans-serif;

  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  --container-width: 1200px;
  --border-radius: 32px;
  /* More rounded */
  --border-radius-pill: 50px;

  /* Advanced Liquid Glass Variables */
  --glass-bg: rgba(255, 255, 255, 0.45);
  /* High translucency */
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow:
    0 8px 32px 0 rgba(31, 38, 135, 0.1),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  /* Inner glow */
  --glass-blur: blur(10px);

  --transition: transform 0.25s ease, opacity 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background-color: #f0f4f8;
  /* Complex gradient background */
  background-image:
    radial-gradient(at 0% 0%, hsla(253, 16%, 7%, 1) 0, transparent 50%),
    radial-gradient(at 50% 100%, hsla(225, 39%, 30%, 1) 0, transparent 50%),
    radial-gradient(at 100% 0%, hsla(339, 49%, 30%, 1) 0, transparent 50%);
  background-attachment: scroll;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* Fluid Background Blobs */
.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  z-index: -1;
  opacity: 0.45;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.blob-1 {
  top: -10%;
  left: -10%;
  width: 42vw;
  height: 42vw;
  background: radial-gradient(circle, var(--color-accent), transparent);
}

.blob-2 {
  bottom: -20%;
  right: -10%;
  width: 46vw;
  height: 46vw;
  background: radial-gradient(circle, rgba(74, 111, 165, 0.4), transparent);
}

.blob-3 {
  top: 30%;
  left: 30%;
  width: 36vw;
  height: 36vw;
  background: radial-gradient(circle, rgba(229, 1, 1, 0.2), transparent);
}

/* --- SCROLL ANIMATION UTILITIES --- */
/* Base State (Hidden) */
.animate-on-scroll {
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Transforms for Start State */
.fade-up {
  transform: translateY(40px);
}

.fade-down {
  transform: translateY(-40px);
}

.fade-left {
  transform: translateX(-40px);
}

.fade-right {
  transform: translateX(40px);
}

.zoom-in {
  transform: scale(0.9);
}

.blur-in {
  transform: translateY(18px);
}

/* Active State (Visible) */
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger Delays */
.delay-100 {
  transition-delay: 100ms;
}

.delay-200 {
  transition-delay: 200ms;
}

.delay-300 {
  transition-delay: 300ms;
}

.delay-400 {
  transition-delay: 400ms;
}

.delay-500 {
  transition-delay: 500ms;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-secondary);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Advanced Glass Card */
.glass-card {
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.6),
      rgba(255, 255, 255, 0.3));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.7);
  /* Highlight top border */
  border-left: 1px solid rgba(255, 255, 255, 0.7);
  /* Highlight left border */
  box-shadow: 0 8px 24px rgba(31, 38, 135, 0.1);
  /* Glossy inner reflection */
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: transform 0.22s ease, background-color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-3px);
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.72),
      rgba(255, 255, 255, 0.42));
  box-shadow: 0 14px 30px rgba(31, 38, 135, 0.12);
  border-color: rgba(255, 255, 255, 0.9);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: var(--border-radius-pill);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 48px;
}

.btn:disabled {
  cursor: not-allowed;
  filter: grayscale(0.2);
  opacity: 0.7;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #ff4d4d);
  color: var(--color-white);
  box-shadow: 0 10px 20px rgba(229, 1, 1, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(229, 1, 1, 0.35);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), #3b5378);
  color: var(--color-white);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(35, 50, 74, 0.3);
}

.btn-outline {
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Header */
header {
  background: rgba(255, 255, 255, 0.6);
  /* Translucent */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
}

.logo img {
  height: 45px;
  border-radius: 0;
  /* Remove rounded corners for logo */
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  /* Bolder for readability */
  color: var(--color-secondary);
  position: relative;
}

.nav-links a:focus-visible,
.btn:focus-visible,
.mobile-menu-btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(229, 1, 1, 0.3);
  outline-offset: 3px;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -6px;
  left: 0;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  transition: var(--transition);
  border-radius: 2px;
}

.nav-links a:not(.btn):hover::after {
  width: 100%;
}

.nav-links .btn {
  color: var(--color-white);
  /* Ensure button text is white in nav */
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-secondary);
}

/* --- RESPONSIVE DESIGN --- */

/* Tablet (Landscape) & Small Laptops */
@media (max-width: 1024px) {
  :root {
    --container-width: 960px;
    --spacing-xl: 3rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet (Portrait) & Large Phones */
@media (max-width: 768px) {
  :root {
    --container-width: 100%;
    --spacing-xl: 2.5rem;
    --spacing-lg: 1.5rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  /* Navigation */
  nav {
    height: 70px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.95);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-shadow: none;
    overflow-y: auto;
  }

  .nav-links.active {
    display: flex;
  }

  body.menu-open {
    overflow: hidden;
  }

  .nav-links li {
    margin: 1rem 0;
    opacity: 0;
    animation: fadeInUp 0.5s ease forwards;
  }

  .nav-links li:nth-child(2) {
    animation-delay: 0.2s;
  }

  .nav-links li:nth-child(3) {
    animation-delay: 0.3s;
  }

  .nav-links li:nth-child(4) {
    animation-delay: 0.4s;
  }

  .nav-links li:nth-child(5) {
    animation-delay: 0.5s;
  }

  .nav-links li:nth-child(6) {
    animation-delay: 0.6s;
  }

  .mobile-menu-btn {
    display: block;
    font-size: 1.8rem;
    z-index: 1001;
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    /* Stack everything */
    gap: 1.5rem;
  }

  /* Hero Section */
  .hero-content {
    text-align: center;
    order: 2;
    /* Image on top */
  }

  .hero-image {
    order: 1;
    margin-bottom: 2rem;
    max-width: min(80%, 420px);
    margin-left: auto;
    margin-right: auto;
  }

  .hero-content div {
    justify-content: center;
  }

  /* Admin Panel specific */
  .admin-container {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100% !important;
    height: auto !important;
    flex-direction: row !important;
    overflow-x: auto;
    padding: 1rem !important;
    justify-content: space-between;
    align-items: center;
    position: relative !important;
  }

  .admin-sidebar nav {
    flex-direction: row;
    height: auto;
    overflow-x: auto;
    padding-bottom: 5px;
  }

  .admin-sidebar .nav-item {
    padding: 0.5rem 1rem;
    margin-bottom: 0 !important;
    margin-right: 0.5rem;
    white-space: nowrap;
  }

  .admin-sidebar .nav-item span {
    display: none;
    /* Hide text on mobile to save space, or keep if icons aren't enough */
  }

  main {
    padding: 1rem !important;
  }

  /* Footer */
  .footer .grid-3 {
    text-align: center;
  }

  .footer .grid-3>div {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

/* Mobile (Small) */
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
    /* Full width buttons on small screens */
    margin-bottom: 0.5rem;
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-content div {
    flex-direction: column;
  }

  .section {
    padding: 2rem 0;
  }

  .glass-card {
    padding: 1.25rem;
    border-radius: 22px;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  footer {
    border-top-left-radius: 32px;
    border-top-right-radius: 32px;
  }
}

@media (max-width: 768px), (pointer: coarse) {
  .bg-blob {
    display: none;
  }

  header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .glass-card:hover,
  .btn:hover {
    transform: none;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Hero Section */
.hero-content h1 {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #4a6fa5 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

.hero-image img {
  border-radius: 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  border: 4px solid rgba(255, 255, 255, 0.3);
}

/* Why Image Pro */
.benefit-card {
  /* Inherits glass-card styles via HTML class */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* Services */
.service-card {
  /* Inherits glass-card styles via HTML class */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Blog */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.blog-filter {
  border: 1px solid rgba(35, 50, 74, 0.22);
  border-radius: var(--border-radius-pill);
  background: rgba(255, 255, 255, 0.55);
  color: var(--color-secondary);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.blog-filter.active,
.blog-filter:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.blog-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}

.blog-card-media {
  align-items: flex-end;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.36), transparent 28%),
    linear-gradient(135deg, var(--blog-accent, #e50101), #23324a);
  color: var(--color-white);
  display: flex;
  min-height: 180px;
  padding: 1.25rem;
  position: relative;
}

.blog-card-media.has-image {
  background: #23324a;
}

.blog-card-media img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  width: 100%;
}

.blog-card-media.has-image::after {
  background: linear-gradient(to top, rgba(13, 21, 34, 0.72), rgba(13, 21, 34, 0.12));
  content: '';
  inset: 0;
  position: absolute;
}

.blog-card-media span {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--border-radius-pill);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.45rem 0.75rem;
  position: relative;
  z-index: 1;
}

.blog-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.5rem;
}

.blog-card-body h2,
.blog-card-body h4 {
  font-size: 1.25rem;
}

.blog-card-body .btn {
  margin-top: auto;
}

.blog-meta {
  color: rgba(35, 50, 74, 0.72);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.blog-post h1 {
  margin-bottom: 1rem;
}

.blog-post p {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

/* Contact Form */
input,
select,
textarea {
  width: 100%;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.4);
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
  color: var(--color-text);
  font-weight: 500;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

input:focus,
select:focus,
textarea:focus {
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(229, 1, 1, 0.1);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

/* Footer */
footer {
  background: rgba(35, 50, 74, 0.95);
  color: var(--color-white);
  padding: 4rem 0;
  border-top-left-radius: 60px;
  border-top-right-radius: 60px;
  margin-top: 4rem;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.1);
}