/* FLAG BOOK TUTORIAL */

.flagbook-page {
  max-width: 1200px;
  margin: 80px auto 120px;
  padding: 0 40px;
}

/* BACK LINK */

.back-link {
  display: inline-block;
  color: #666;
  font-size: 13px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: #E85D04;
}

/* INTRODUCTION */

.flagbook-intro {
  max-width: 760px;
  margin: 60px 0 80px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  color: #E85D04;
  margin-bottom: 20px;
}

.flagbook-intro h1 {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.15;
  margin-bottom: 28px;
}

.flagbook-description {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
}

/* MATERIALS */

.materials {
  margin-bottom: 100px;
  padding: 40px;
  background: #f7f7f7;
}

.materials h2 {
  font-size: 26px;
  margin-bottom: 24px;
}

  
.materials ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 40px;
  row-gap: 8px;
  padding-left: 20px;
}


.materials li {
  font-size: 14px;
  line-height: 2;
  color: #444;
}

/* STEP HEADING */

.tutorial-step {
  margin-bottom: 100px;
}

.step-heading {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 40px;
}

.step-number {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #E85D04;
}

.step-heading h2 {
  font-size: 32px;
}

/* THREE-COLUMN TUTORIAL GRID */

.step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

/* STEP CARDS */

.step-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  margin-bottom: 24px;
}

.step-card h3 {
  font-size: 20px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.step-card p {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
}

/* BOTTOM LINK */

.bottom-link {
  margin-top: 20px;
}


/* PERSONAL TIP */

.step-tip {
  margin-top: 48px;
  padding: 24px 30px;
  background: #f7f7f7;
  border-left: 2px solid #E85D04;
  max-width: 760px;
}

.step-tip .tip-label {
  font-size: 14px;
  font-weight: 600;
  color: #E85D04;
  margin-bottom: 12px;
}

.step-tip p {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
}

@media (max-width: 768px) {
  .step-tip {
    padding: 20px;
    margin-top: 36px;
  }
}


/* RESPONSIVE */

@media (max-width: 1024px) {
  .step-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .flagbook-page {
    padding: 0 20px;
    margin-top: 40px;
  }

  .flagbook-intro {
    margin: 40px 0 60px;
  }

  .materials {
    padding: 28px;
    margin-bottom: 70px;
  }

  .step-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .step-heading h2 {
    font-size: 28px;
  }

  .tutorial-step {
    margin-bottom: 70px;
  }
}

@media (max-width: 600px) {
  .materials ul {
    grid-template-columns: 1fr;
  }
}