/* UI Components - Invinai */
/* Inspired by Things.app, Apple.com, Ubiquiti.com */

/* ===============================================
   LAYOUT COMPONENTS
   =============================================== */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-2xl { max-width: var(--container-2xl); }

/* Section spacing */
.section {
  padding: var(--space-24) 0;
}

.section-sm { padding: var(--space-16) 0; }
.section-lg { padding: var(--space-32) 0; }

/* ===============================================
   TYPOGRAPHY COMPONENTS
   =============================================== */

.heading-hero {
  font-size: var(--text-6xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.heading-section {
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.heading-card {
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  line-height: 1.3;
  color: var(--text-primary);
}

/* Space between cards' titles and descriptions */
.card .heading-card + .text-body,
.service-card .heading-card + .text-body {
  margin-top: var(--space-3);
}

.text-lead {
  font-size: var(--text-xl);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--text-secondary);
}

.text-body {
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--text-secondary);
}

.text-small {
  font-size: var(--text-sm);
  font-weight: var(--font-normal);
  line-height: 1.5;
  color: var(--text-tertiary);
}

/* ===============================================
   BUTTON COMPONENTS
   =============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-in-out);
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background: #fff;
  color: #000;
  border-color: rgba(255,255,255,0.9);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
  border-radius: 8px;
}

.btn-primary:hover:not(:disabled) {
  background: #f5f5f5;
  border-color: rgba(255,255,255,1);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--text-primary);
  color: white;
  border-color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Ensure secondary buttons have visible text on light backgrounds */
.btn.btn-secondary {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--background-gray);
  color: var(--text-primary);
}

/* Button sizes */
.btn-sm {
  padding: var(--space-2) var(--space-6);
  font-size: 14px;
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-lg);
}

/* CTA Button with two-line text */
.btn-primary br {
  display: block;
}

.btn-primary {
  text-align: center;
  line-height: 1.2;
}

/* ===============================================
   CARD COMPONENTS
   =============================================== */

.card {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--duration-normal) var(--ease-in-out);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-medium);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--space-6);
}

.card-body {
  margin-bottom: var(--space-6);
}

.card-footer {
  margin-top: auto;
}

/* Service Card */
.service-card {
  text-align: center;
  padding: var(--space-10);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-accent);
}

.service-icon {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
  color: var(--primary-accent);
}

/* ===============================================
   FORM COMPONENTS
   =============================================== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  background: var(--surface-white);
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-in-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===============================================
   GRID COMPONENTS
   =============================================== */

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Responsive grids */
.grid-responsive-2 {
  grid-template-columns: 1fr;
}

.grid-responsive-3 {
  grid-template-columns: 1fr;
}

.grid-responsive-4 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
  .grid-responsive-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-responsive-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-responsive-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-responsive-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-responsive-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===============================================
   UTILITY COMPONENTS
   =============================================== */

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Display utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Visibility utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* ===============================================
   ANIMATION COMPONENTS
   =============================================== */

.fade-in {
  opacity: 0;
  animation: fade-in var(--duration-slow) var(--ease-out) forwards;
}

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: slide-up var(--duration-slow) var(--ease-out) forwards;
}

@keyframes fade-in {
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s var(--ease-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

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

/* Mobile hidden */
@media (max-width: 767px) {
  .hidden-mobile { display: none; }
}

/* Desktop hidden */
@media (min-width: 1024px) {
  .hidden-desktop { display: none; }
}

.page-gutters { padding-left: 24px; padding-right: 24px; }