/* ===== Button System - ระบบปุ่มที่ยั่งยืนและง่ายต่อการบำรุงรักษา ===== */

/* CSS Variables สำหรับปุ่ม */
:root {
  /* Main Button Variables */
  --btn-primary-bg: #605DFF;
  --btn-primary-hover: #4a47d1;
  --btn-text-color: #fff;
  --btn-border-radius: 4px;
  --btn-transition: all 0.3s ease;

  /* Button Sizes */
  --btn-sm-font: 13px;
  --btn-sm-padding: 6px 16px;
  --btn-md-font: 15px;
  --btn-md-padding: 8px 20px;
  --btn-lg-font: 16px;
  --btn-lg-padding: 10px 24px;

  /* Footer Button Variables */
  --footer-btn-size: 45px;
  --footer-btn-font: 18px;
  --footer-btn-icon: 20px;
}

/* ===== Base Button Styles (Default) ===== */
.site-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--btn-border-radius);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: var(--btn-transition);

  /* Default size */
  font-size: var(--btn-md-font);
  padding: var(--btn-md-padding);
  background: var(--btn-primary-bg);
  color: var(--btn-text-color);
}

.site-button:hover {
  background: var(--btn-primary-hover);
  color: var(--btn-text-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(96, 93, 255, 0.3);
}

.site-button i {
  font-size: 14px;
  margin-right: 5px;
}

/* ===== Button Sizes ===== */
.site-button.button-sm {
  font-size: var(--btn-sm-font);
  padding: var(--btn-sm-padding);
}

.site-button.button-md {
  font-size: var(--btn-md-font);
  padding: var(--btn-md-padding);
}

.site-button.button-lg {
  font-size: var(--btn-lg-font);
  padding: var(--btn-lg-padding);
}

/* ===== Button Variants ===== */
.site-button.outline {
  background: transparent;
  border-color: var(--btn-primary-bg);
  color: var(--btn-primary-bg);
}

.site-button.outline:hover {
  background: var(--btn-primary-bg);
  color: var(--btn-text-color);
}

.site-button.black {
  background: #333;
  color: var(--btn-text-color);
}

.site-button.black:hover {
  background: #000;
}

.site-button.radius-no {
  border-radius: 0;
}

/* ===== Form Buttons ===== */
input[type="submit"].site-button,
button.site-button {
  display: inline-block;
}

/* ===== Footer Buttons (Scoped) ===== */
.site-footer .site-button {
  width: var(--footer-btn-size);
  height: var(--footer-btn-size);
  font-size: var(--footer-btn-font);
  padding: 0;
  border-radius: 50%;
}

.site-footer .site-button i {
  font-size: var(--footer-btn-icon);
  margin-right: 0;
}

/* ===== Specific Section Buttons ===== */
/* Blog buttons */
.dlab-post-readmore .site-button {
  font-size: 14px;
  padding: 6px 16px;
}

/* About section */
.our-story .site-button {
  font-size: 15px;
  padding: 8px 20px;
}

/* Header buttons */
.box-header .site-button,
.box-header .site-button-link {
  font-size: 14px;
  padding: 6px 16px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}

.box-header .site-button:hover,
.box-header .site-button-link:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}

/* Team social buttons */
.dlab-team4 .dlab-social-icon li a.site-button {
  width: 35px;
  height: 35px;
  font-size: 14px;
  padding: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.dlab-team4 .dlab-social-icon li a.site-button:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* Gallery filter buttons */
.gallery-filter .site-button {
  font-size: 14px;
  padding: 6px 16px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}

.gallery-filter .site-button:hover,
.gallery-filter .site-button.active {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .site-button {
    font-size: 14px;
    padding: 6px 16px;
  }

  .site-button.button-lg {
    font-size: 15px;
    padding: 8px 20px;
  }
}

@media (max-width: 576px) {
  .site-button {
    font-size: 13px;
    padding: 5px 14px;
  }

  .site-button.button-lg {
    font-size: 14px;
    padding: 7px 18px;
  }
}