/* VARIABLES */
:root {
  --primary-color: #1a1a1a;
  --accent-color: #007bff;

  --logo-green-color: #00c062;
  --logo-dark-green-color: #009946;
  --logo-red-color: #fa0000;
  --logo-yellow-color: #f19100;
  --logo-pink-color: #fe009a;
  --logo-brown-color: #7c2d00;
  --logo-gray-color: #555555;

  --bg-gradient: linear-gradient(135deg, #fcf7e8 0%, #f0e6d2 100%);
  --logo-gradient: linear-gradient(
    135deg,
    var(--logo-green-color),
    var(--logo-yellow-color)
  );
  --btn-gradient: linear-gradient(
    135deg,
    var(--logo-green-color),
    var(--logo-dark-green-color)
  );
  --btn-active-gradient: linear-gradient(
    135deg,
    var(--logo-pink-color),
    var(--logo-red-color)
  );
  --btn-active-shadow-hover: 0 5px 15px rgba(254, 0, 154, 0.3);
  --btn-active-shine-streak-hover: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );

  --card-bg: rgba(255, 255, 255, 0.95);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
  --footer-bg: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
  --footer-color: #e0e0e0;
  --max-width: 1600px;

  --border-radius: none;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-ease: transform 0.3s ease;
}

/* RESETS */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: var(--bg-gradient);
  color: var(--primary-color);
  line-height: 1.6;
  min-height: 100vh;
}
body a {
  color: var(--logo-green-color);
  transition: var(--transition-smooth);
}

@media (hover: hover) and (pointer: fine) {
  a:hover {
    color: var(--logo-pink-color);
  }
}

/* LAYOUT */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
}

.header-content {
  max-width: var(--max-width);
  margin: 0;
  padding: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-smooth);
}

@media (hover: hover) and (pointer: fine) {
  .logo:hover {
    transform: translateY(-2px);
  }
}

.logo img {
  height: 60px;
  margin-right: 1rem;
  transition: var(--transition-smooth);
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(
    135deg,
    var(--logo-green-color),
    var(--logo-yellow-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* NAVIGATION */

/* MAIN */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* FOOTER */

footer {
  background: var(--footer-bg);
  color: var(--footer-color);
  padding: 3rem 2rem 2rem;
  margin-top: 4rem;
  text-align: center;
}

footer a {
  color: var(--logo-green-color);
  text-decoration: none;
  transition: var(--transition-smooth);
}

footer a:hover {
  color: var(--logo-yellow-color);
}

/* COMPONENTS */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.logo {
  all: unset;
  cursor: pointer;
  display: flex;
  align-items: center;
  text-align: center;
}

.logo img {
  height: 50px;
  margin-right: 0.5rem;
  transition: height 0.3s ease;
}

/* BUTTONS */
.btn {
  padding: 1rem 2rem;
  background-color: var(--logo-green-color);
  background: var(--btn-gradient);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  transition: background-color 0.2s ease;
  overflow: hidden;
  text-align: center;
  font-weight: 600;
  position: relative;
  -webkit-tap-highlight-color: transparent; /* nicer taps without the blue/grey flash on iOS/Android */
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--btn-active-shine-streak-hover);
  transition: var(--transition-smooth);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    background: var(--btn-active-gradient);
    box-shadow: var(--btn-active-shadow-hover);
    color: #fff;
    transform: translateY(-10px);
  }
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover::before {
    opacity: 1;
    left: 100%;
  }
}

@media (hover: none) and (pointer: coarse) {
  btn:active {
    background: var(--btn-active-gradient);
    box-shadow: var(--btn-active-shadow-hover);
    color: #fff;
    transform: translateY(-10px);
  }
}

/* MODERN INTERACTIONS */
@media (hover: hover) and (pointer: coarse) {
  .card:hover {
    animation: cardFloat 0.6s ease;
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(-10px);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* ACCESSIBILITY */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* FOCUS STYLES */
@media (hover: hover) and (pointer: fine) {
  /* works on both mouse and touch */
  .btn:hover,
  .card-btn:hover,
  .nav-link:hover,
  .menu-toggle:hover {
    background: var(--btn-active-gradient);
    box-shadow: var(--btn-active-shadow-hover);
    transform: none;
    color: #fff;
    outline: 3px solid var(--logo-yellow-color);
    outline-offset: 2px;
  }
}
@media (hover: none) and (pointer: coarse) {
  /* works on both mouse and touch */
  .btn:active,
  .card-btn:active,
  .nav-link:active,
  .menu-toggle:active {
    background: var(--btn-active-gradient);
    box-shadow: var(--btn-active-shadow-hover);
    transform: none;
    color: #fff;
    outline: 3px solid var(--logo-yellow-color);
    outline-offset: 2px;
  }
}

/* JS STYLES */
.is-pressed {
  background: var(--btn-active-gradient) !important;
  box-shadow: var(--btn-active-shadow-hover) !important;
  transform: none !important;
  color: #fff !important;
}

/* BREAKPOINTS */
@media (min-width: 576px) {
  header {
    padding: 1.5rem;
  }
}
@media (min-width: 768px) {
  header {
    padding: 2.5rem;
  }
  .header-content {
    justify-content: space-between;
  }
  .logo img {
    height: 80px;
  }

  .logo h1 {
    font-size: 2.5rem;
  }
}
@media (min-width: 992px) {
  main {
    padding-top: 3rem;
  }
  .header-content {
    padding: 0 1rem;
  }
}
@media (min-width: 1200px) {
  main {
    padding-top: 4rem;
  }

  header {
    padding: 2rem 1rem;
  }

  .logo img {
    height: 120px;
  }

  .logo h1 {
    font-size: 3.5rem;
  }
}
@media (min-width: 1400px) {
  body {
    font-size: 1.1rem;
  }
  .header-content {
    padding: 0 3rem;
  }
}