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

:root {
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-primary: #0284c7;
  --color-primary-dark: #0369a1;
  --color-navy: #0c2b4e;
  --color-navy-dark: #07192d;
  --color-surface: #ffffff;
  --color-muted: #f8fafc;
  --color-border: #e2e8f0;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1ebe5d;
  --ease-spring: cubic-bezier(0.32, 0.72, 0, 1);
  --duration-fluid: 700ms;
}

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

html {
  font-family: var(--font-sans);
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  scroll-behavior: smooth;
  color: #1e293b;
  background-color: #ffffff;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: #ffffff;
  color: #1e293b;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Strict Typography Rules from Skill */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  text-wrap: balance;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: inherit;
}

p, li, span, a, label {
  text-wrap: pretty;
}

em, i {
  font-style: normal;
}

/* Fluid Transitions */
.fluid-transition {
  transition-property: all;
  transition-timing-function: var(--ease-spring);
  transition-duration: var(--duration-fluid);
}

/* Hero Heading Gradient Text (Only allowed text gradient) */
.hero-text-gradient {
  background: linear-gradient(90deg, #0f172a 0%, #475569 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Tagline Reveal Word Animation */
.tagline-word {
  display: inline-block;
  opacity: 0.28;
  filter: blur(2px);
  transform: translateY(4px);
  transition: opacity 700ms var(--ease-spring), filter 700ms var(--ease-spring), transform 700ms var(--ease-spring);
  margin-right: 0.28em;
}

.tagline-word.is-active {
  opacity: 1;
  filter: blur(0px);
  transform: translateY(0);
  color: #0f172a;
}

/* Scroll reveal classes */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  filter: blur(4px);
  transition: opacity 800ms var(--ease-spring), transform 800ms var(--ease-spring), filter 800ms var(--ease-spring);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* Stagger delay helpers */
.delay-100 { transition-delay: 100ms; }
.delay-150 { transition-delay: 150ms; }
.delay-200 { transition-delay: 200ms; }
.delay-250 { transition-delay: 250ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Radar pulse animation for WhatsApp */
@keyframes radar-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.whatsapp-radar {
  animation: radar-pulse 2.2s infinite;
}

@keyframes live-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

.live-badge-dot {
  animation: live-dot 1.8s infinite ease-in-out;
}

/* Button physical states */
.btn-spring {
  transition: transform 200ms var(--ease-spring), box-shadow 200ms var(--ease-spring), background-color 200ms ease;
}

.btn-spring:hover {
  transform: translateY(-2px);
}

.btn-spring:active {
  transform: translateY(1px) scale(0.98);
}

.btn-spring:focus-visible {
  outline: 3px solid #0284c7;
  outline-offset: 2px;
}

/* Card hover effect */
.card-spring {
  transition: transform 400ms var(--ease-spring), border-color 300ms ease, box-shadow 400ms var(--ease-spring);
}

.card-spring:hover {
  transform: translateY(-4px);
  border-color: #cbd5e1;
  box-shadow: 0 12px 28px -8px rgba(15, 23, 42, 0.08);
}

/* Accordion transition */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 500ms var(--ease-spring), opacity 400ms ease, padding 400ms ease;
  opacity: 0;
}

.faq-item.is-open .faq-content {
  max-height: 400px;
  opacity: 1;
  padding-top: 12px;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

/* Mobile sticky action bar */
@media (max-width: 768px) {
  body {
    padding-bottom: 72px;
  }
}