/* ========================
   CSS VARIABLES
======================== */
:root {
  --bg: #0f172a;
  --bg-light: #1e293b;
  --text: #ffffff;
  --text-muted: #94a3b8;
  --primary-gradient: linear-gradient(90deg, #6366f1, #8b5cf6);
  --radius: 6px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: auto;
}

/* ========================
   NAVBAR
======================== */
.header {
  padding: 1.5rem 0;
  position: relative;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar {
  position: relative;
  z-index: 1000;
}

.nav-links {
  z-index: 1000;
}

.logo {
  font-weight: 800;
  font-size: 1.3rem;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  transition: var(--transition);
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text);
}

/* Buttons */
.btn-nav {
  background: var(--primary-gradient);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  color: white;
}

/* ========================
   HAMBURGER
======================== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: white;
  transition: var(--transition);
}

/* Animate hamburger */
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translateY(8px);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translateY(-8px);
}

/* ========================
   HERO
======================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;

  background: 
    linear-gradient(rgba(15, 23, 42, 0.2), rgba(15, 23, 42, 0.8)),
    url("https://github.com/Blueberryboom/blueberrynet-website/blob/main/assets/hero-img.png?raw=true") center/cover no-repeat;

  padding: 0;
}

.hero-wrapper {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-text {
  flex: 1;
  animation: floatInTop 0.9s ease forwards;
}

.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-text p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Buttons */
.btn-primary {
  background: var(--primary-gradient);
  padding: 0.9rem 1.6rem;
  border-radius: 50px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
}

.btn-secondary {
  padding: 0.9rem 1.6rem;
  border-radius: 50px;
  border: 1px solid var(--bg-light);
  text-decoration: none;
  color: var(--text-muted);
}

.btn-secondary:hover {
  background: var(--bg-light);
}

/* ========================
   STATS STRIP
======================== */

.stats-strip {
  background: var(--bg-light);
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stats-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.stat {
  flex: 1;
  position: relative;
}

.stat h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat p {
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

/* Subtle vertical dividers */
.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.08);
}

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

  .stats-wrapper {
    flex-direction: column;
  }

  .stat:not(:last-child)::after {
    display: none;
  }

}

/* ========================
   FEATURES
======================== */
.features {
  display: flex;
  gap: 2rem;
  padding: 4rem 0;
  text-align: center;
}

.feature {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: var(--radius);
  flex: 1;
  transition: var(--transition);
}

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

/* ========================
   FOOTER
======================== */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

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

/* Tablets */
@media (max-width: 1024px) {

  .hero-wrapper {
    flex-direction: column;
    text-align: center;
  }

  /* Center hero buttons on tablet/mobile */
  .hero-buttons {
    justify-content: center;
  }

  .hero-buttons a {
    text-align: center;
  }

  .features {
    flex-direction: column;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 80px;
    right: 5%;
    flex-direction: column;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius);
    width: 220px;
    display: none;
  }

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

@media (max-width: 600px) {

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons a {
    width: 100%;
    max-width: 280px;
  }

}

/* ========================
   CONNECTED GRADIENT UNDERLINE
======================== */

.gradient-group {
  position: relative;
  display: inline-block;
}

.gradient-group::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 6px;
  border-radius: 4px;

  background: linear-gradient(
    90deg,
    #6366f1,
    #8b5cf6,
    #6366f1
  );

  background-size: 200% 100%;

  /* Reveal animation */
  transform: scaleX(0);
  transform-origin: left;
  animation:
    underlineReveal 0.9s ease forwards 0.6s,
    gradientTicker 3s linear infinite 1.5s;
}

/* Reveal animation */
@keyframes underlineReveal {
  to {
    transform: scaleX(1);
  }
}

/* Moving gradient ticker */
@keyframes gradientTicker {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 200% 50%;
  }
}

/* ========================
    ANIMATIONS
======================== */

@keyframes floatInTop {
  from {
    opacity: 0;
    transform: translateY(-40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}