/* ============================================
   IVPRO Technologies - Base & Reset Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ---- Reset ---- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
}

p {
  max-width: 70ch;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-11) 0;
}

.section--lg {
  padding: var(--space-12) 0;
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-text-on-dark);
}

.section--gray {
  background-color: var(--color-off-white);
}

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

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

.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.flex--col {
  flex-direction: column;
}

.flex--gap-sm { gap: var(--space-3); }
.flex--gap { gap: var(--space-5); }
.flex--gap-lg { gap: var(--space-8); }

/* ---- Typography Utilities ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-text-secondary); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--fs-body-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  line-height: var(--lh-relaxed);
}

.section--dark .section-subtitle {
  color: var(--color-text-light);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(247, 148, 29, 0.32);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(247, 148, 29, 0.42);
}

.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.3);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--dark:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--fs-body-lg);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--fs-body-sm);
}

.btn--icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn .btn-arrow {
  transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ---- Cards ---- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  border: 1px solid var(--color-light-gray);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card--dark {
  background: var(--color-primary-light);
  border-color: rgba(255,255,255,0.06);
}

.card--dark:hover {
  border-color: rgba(247, 148, 29, 0.32);
  box-shadow: var(--shadow-glow);
}

.card--glass {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.1);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: rgba(247, 148, 29, 0.1);
  color: var(--color-accent);
  font-size: 1.5rem;
}

.card__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.card--dark .card__text {
  color: var(--color-text-light);
}

/* ---- Image Placeholders ---- */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary-medium) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--fs-body-sm);
  font-weight: var(--fw-medium);
  overflow: hidden;
  position: relative;
  min-height: 200px;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(247,148,29,0.08) 0%, transparent 60%),
    radial-gradient(circle at 70% 60%, rgba(59,130,246,0.05) 0%, transparent 50%);
}

.img-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-3);
  opacity: 0.5;
}

.img-placeholder span {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
}

.badge--accent {
  background: rgba(247, 148, 29, 0.1);
  color: var(--color-accent);
}

.badge--orange {
  background: rgba(247, 148, 29, 0.1);
  color: var(--color-accent-orange);
}

/* ---- Stats ---- */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: var(--fw-extrabold);
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--fs-body-sm);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}

/* ---- Divider ---- */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  margin: var(--space-5) 0;
}

.divider--center {
  margin-left: auto;
  margin-right: auto;
}

/* ---- Reveal Animation Classes ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 500ms; opacity: 1; transform: translateY(0); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
  .section {
    padding: var(--space-9) 0;
  }
  .section--lg {
    padding: var(--space-10) 0;
  }
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
  .hide-mobile {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }
}