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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "DM Sans", sans-serif;
}
.project-hero {
  min-height: 400px;
  background: linear-gradient(to right, #131314, #16242b);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 60px;
  text-align: center;
}

.project-hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: #9ca3af;
  transition: color 0.3s ease;
  margin-bottom: 8px;
}

.back-link svg {
  width: 16px;
  height: 16px;
}

.back-link:hover {
  color: #ffffff;
}

.project-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 55px;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.1;
}

.project-subtitle {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #2a8fc4;
}

/* CONTENT SECTION */

.project-content-section {
  background: #ffffff;
  padding: 80px 40px;
}

.project-content {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.project-tags span {
  font-size: 14px;
  color: #2a6f8f;
  background: #daeef7;
  padding: 8px 16px;
  border-radius: 20px;
}

.project-block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-block h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: #111111;
}

.project-block p {
  font-size: 16px;
  color: #555555;
  line-height: 28px;
}

/* BUTTONS */

.project-btns {
  display: flex;
  align-items: center;
  gap: 16px;
}

.view-live-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #2a8fc4;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  transition:
    background 0.3s ease,
    transform 0.2s ease;
}

.view-live-btn svg {
  width: 16px;
  height: 16px;
}

.view-live-btn:hover {
  background: #145f87;
  transform: translateY(-5px);
}

.all-projects-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #111111;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  transition:
    border-color 0.3s ease,
    color 0.3s ease;
}

.all-projects-btn svg {
  width: 16px;
  height: 16px;
}

.all-projects-btn:hover {
  color: #2a8fc4;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.back-link,
.project-title,
.project-subtitle {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.back-link {
  animation-delay: 0.1s;
}

.project-title {
  animation-delay: 0.25s;
}

.project-subtitle {
  animation-delay: 0.4s;
}

/* ========================
   INTERSECTION OBSERVER
   ======================== */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================
MOBILE RESPONSIVENESS
===================== */

@media (max-width: 768px) {
  .project-hero {
    min-height: 350px;
    padding: 80px 24px 40px;
    align-items: flex-end;
    justify-content: flex-start;
    text-align: left;
  }

  .project-hero-content {
    align-items: flex-start;
    gap: 8px;
  }

  .project-title {
    font-size: 42px;
  }

  .project-subtitle {
    font-size: 11px;
    letter-spacing: 1.5px;
  }

  .project-content-section {
    padding: 60px 0;
  }

  .project-content {
    padding: 0 16px;
    gap: 50px;
  }

  .project-tags span {
    font-size: 15px;
    padding: 6px 12px;
  }

  .project-block h2 {
    font-size: 22px;
  }

  .project-block p {
    font-size: 15px;
    line-height: 28px;
  }

  .project-btns {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
  }

  .view-live-btn,
  .all-projects-btn {
    width: auto;
    justify-content: center;
  }
}