/* =========================
   Base / Global
========================= */
html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

h1 {
  letter-spacing: -0.02em;
}


/* =========================
   Hero Section
========================= */
.Hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    #0f2027,
    #203a43,
    #2c5364
  );
  color: #ffffff;
}

/* Prevent Bootstrap margins from breaking hero height */
.Hero .my-5 {
  margin-top: 0 !important;
  margin-bottom: 0 !important;
}


/* =========================
   Learn More / About Section
========================= */
.section-gradient {
  background: linear-gradient(
    135deg,
    #0f2027,
    #203a43,
    #2c5364
  );
  color: #ffffff;
  padding: 6rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}


/* =========================
   Cards
========================= */
.card-cover {
  position: relative;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

/* Dark overlay for readability */
.card-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

/* Ensure card content sits above overlay */
.card-cover > div {
  position: relative;
  z-index: 2;
}

/* Card-specific gradients */
.about-card {
  background-image: linear-gradient(
    135deg,
    #1b2a38,
    #243b55
  );
}

.projects-card {
  background-image: linear-gradient(
    135deg,
    #1c1f26,
    #2f4f4f
  );
}

#custom-cards {
  scroll-margin-top: 120px;
}


/* =========================
   Hover / Interaction
========================= */
.card-cover:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  filter: brightness(1.05);
}

.card-cover:active {
  transform: translateY(-2px);
}

.card-cover .btn {
  transition: transform 180ms ease, opacity 180ms ease;
}

.card-cover:hover .btn {
  transform: translateY(-1px);
}

.Hero {
  position: relative;
  min-height: 100vh;

  display: flex;
  align-items: center;

  background-color: #05080d; /* dark base */
  overflow: hidden;
}

/* blurred logo behind everything */
.Hero::before {
  content: "";
  position: absolute;
  inset: 0;

  background-image: url("./images/carbon.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 75%;

  opacity: 0.20;        /* how faint it is */
  filter: blur(10px);   /* how blurry it is */

  z-index: 0;
}

/* keep actual content above the logo */
.Hero .container {
  position: relative;
  z-index: 1;
}