/* =============================================
   PARKAR.IN - Global Styles
   main.css
   ============================================= */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg:          #050505;
  --color-bg-2:        #0d0d0d;
  --color-bg-3:        #111111;
  --color-bg-card:     #141414;
  --color-bg-card-2:   #1a1a1a;
  --color-border:      rgba(255,255,255,0.08);
  --color-border-2:    rgba(255,255,255,0.12);

  --color-white:       #ffffff;
  --color-text:        #f0f0f0;
  --color-text-muted:  #888888;
  --color-text-dim:    #555555;

  --color-blue:        #3056D3;
  --color-blue-light:  #4F72FF;
  --color-blue-dark:   #1a3ab8;
  --color-teal:        #00C4A7;
  --color-purple:      #7C3AED;
  --color-orange:      #F97316;
  --color-orange-dark: #EA6A0B;

  /* Gradient */
  --gradient-primary:  linear-gradient(135deg, #3056D3 0%, #7C3AED 50%, #00C4A7 100%);
  --gradient-blue:     linear-gradient(135deg, #3056D3, #4F72FF);
  --gradient-hero-bg:  radial-gradient(ellipse at 30% 50%, rgba(48,86,211,0.15) 0%, transparent 60%),
                       radial-gradient(ellipse at 70% 30%, rgba(124,58,237,0.10) 0%, transparent 50%),
                       radial-gradient(ellipse at 50% 80%, rgba(0,196,167,0.08) 0%, transparent 50%);

  /* Typography */
  --font-primary:      'Inter', 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-size-xs:      0.75rem;
  --font-size-sm:      0.875rem;
  --font-size-base:    1rem;
  --font-size-md:      1.125rem;
  --font-size-lg:      1.25rem;
  --font-size-xl:      1.5rem;
  --font-size-2xl:     1.875rem;
  --font-size-3xl:     2.25rem;
  --font-size-4xl:     3rem;
  --font-size-5xl:     3.75rem;
  --font-size-6xl:     4.5rem;

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Border Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-2xl:  2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:    all 0.15s ease;
  --transition-base:    all 0.25s ease;
  --transition-slow:    all 0.4s ease;
  --transition-spring:  all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:   0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.5);
  --shadow-xl:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(48,86,211,0.25);

  /* Layout */
  --container-max: 1280px;
  --navbar-height: 80px;
}

/* --- CSS Reset & Normalize --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-primary);
}

input, textarea, select {
  font-family: var(--font-primary);
}

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

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 1400px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* --- Section Spacing --- */
.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* --- Section Label --- */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--color-text-muted);
}

/* --- Section Titles --- */
.section-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  color: var(--color-white);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Gradient Text --- */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-blue {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-bg);
  border: 1.5px solid var(--color-white);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1.5px solid var(--color-border-2);
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.05);
}

.btn-blue {
  background: var(--color-blue);
  color: var(--color-white);
  border: 1.5px solid var(--color-blue);
}

.btn-blue:hover {
  background: var(--color-blue-dark);
  border-color: var(--color-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(48,86,211,0.4);
}

.btn-orange {
  background: var(--color-orange);
  color: var(--color-white);
  border: 1.5px solid var(--color-orange);
}

.btn-orange:hover {
  background: var(--color-orange-dark);
  border-color: var(--color-orange-dark);
  transform: translateY(-1px);
}

.btn-arrow::after {
  content: '→';
  transition: transform 0.2s ease;
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* --- Grid --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-16) 0;
}

/* --- Tag / Badge --- */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tag-blue {
  background: rgba(48,86,211,0.15);
  color: var(--color-blue-light);
  border: 1px solid rgba(48,86,211,0.3);
}

.tag-teal {
  background: rgba(0,196,167,0.12);
  color: var(--color-teal);
  border: 1px solid rgba(0,196,167,0.25);
}

/* --- Learn More Link --- */
.learn-more {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-blue-light);
  transition: var(--transition-base);
}

.learn-more::after {
  content: '→';
  transition: transform 0.2s ease;
}

.learn-more:hover::after {
  transform: translateX(4px);
}

.learn-more:hover {
  color: var(--color-white);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #080808;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    rgba(48, 86, 211, 0.7) 0%,
    rgba(124, 58, 237, 0.7) 100%
  );
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.2s ease;
}
::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    180deg,
    rgba(48, 86, 211, 1) 0%,
    rgba(124, 58, 237, 1) 100%
  );
}
::-webkit-scrollbar-corner {
  background: #080808;
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(86, 120, 230, 0.65) #080808;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(48,86,211,0.3); }
  50%       { box-shadow: 0 0 60px rgba(48,86,211,0.6); }
}

@keyframes gridMove {
  0%   { background-position: 0 0; }
  100% { background-position: 40px 40px; }
}

/* --- Reveal on Scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Utilities --- */
.flex          { display: flex; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-col      { display: flex; flex-direction: column; }
.gap-2         { gap: var(--space-2); }
.gap-4         { gap: var(--space-4); }
.gap-6         { gap: var(--space-6); }
.gap-8         { gap: var(--space-8); }
.text-center   { text-align: center; }
.text-left     { text-align: left; }
.w-full        { width: 100%; }
.h-full        { height: 100%; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --navbar-height: 68px;
  }
  .section { padding: var(--space-16) 0; }
  .section-lg { padding: var(--space-20) 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--space-5); }
}