/* ============================================
   GLOBAL.CSS — Base styles, typography, utilities
   ============================================ */

/* ── Base ── */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* ── Section ── */
.section {
  padding: var(--space-32) 0;
  position: relative;
}

.section__label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-amber);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(245, 158, 11, 0.08);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-navy);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  margin-bottom: var(--space-6);
}

.section__subtitle {
  font-size: var(--fs-md);
  font-weight: var(--fw-regular);
  color: var(--color-gray-text);
  max-width: 580px;
  line-height: var(--lh-relaxed);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-20);
}

.section__header .section__subtitle {
  margin: 0 auto;
}

/* ── Section Wave Transitions ── */
.section-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
  z-index: 5;
  pointer-events: none;
}

.section-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-align: center;
  letter-spacing: -0.01em;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-light) 100%);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(26, 107, 181, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(26, 107, 181, 0.45);
}

.btn--secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}

.btn--secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #1ebe57 100%);
  color: var(--color-white);
  border-color: transparent;
  font-weight: var(--fw-semibold);
  box-shadow: var(--shadow-whatsapp);
}

.btn--whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.45);
}

.btn--cta-outline {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn--cta-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.btn__icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

/* ── Keyframe Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  45%  { transform: scaleY(1); transform-origin: top; }
  55%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Reveal Animations (Apple-style) ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
  will-change: opacity, transform;
}

[data-reveal].reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal][data-reveal-dir="left"] {
  transform: translateX(-28px);
}

[data-reveal][data-reveal-dir="left"].reveal--visible {
  transform: translateX(0);
}

[data-reveal][data-reveal-dir="right"] {
  transform: translateX(28px);
}

[data-reveal][data-reveal-dir="right"].reveal--visible {
  transform: translateX(0);
}

[data-reveal][data-reveal-dir="scale"] {
  transform: scale(0.94);
}

[data-reveal][data-reveal-dir="scale"].reveal--visible {
  transform: scale(1);
}

/* Legacy class support */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}
.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: 106px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--transition-base);
  z-index: 998;
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-amber);
  transform: translateY(-3px);
  box-shadow: var(--shadow-amber);
}

/* ── WhatsApp Float — Premium ── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: linear-gradient(135deg, #25D366 0%, #20c55e 100%);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45), 0 2px 8px rgba(0,0,0,0.15);
  z-index: 999;
  transition: all var(--transition-base);
  animation: pulse 2.8s infinite;
  text-decoration: none;
  padding: 0;
  height: 58px;
  overflow: hidden;
  max-width: 58px;
}

.whatsapp-float:hover {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6), 0 4px 16px rgba(0,0,0,0.15);
  animation: none;
  max-width: 200px;
  padding-right: var(--space-5);
}

.whatsapp-float__icon {
  width: 58px;
  height: 58px;
  padding: 14px;
  fill: var(--color-white);
  flex-shrink: 0;
}

.whatsapp-float__label {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__label {
  opacity: 1;
  transform: translateX(0);
}

/* ── Selection ── */
::selection {
  background-color: var(--color-amber);
  color: var(--color-navy);
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
}