/* =====================================================
   RESET & BASE GLOBALS — Taxi Transfers Aeropuertos
   ===================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--tt-header);
}

body {
    margin: 0;
    background: var(--tt-bg);
    color: var(--tt-text);
    font-family: var(--tt-font-body);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--tt-font-heading);
    letter-spacing: -0.02em;
    line-height: 1.05;
}

img,
svg,
iframe {
    max-width: 100%;
}

img {
    display: block;
}

a {
    color: inherit;
}

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

/* =====================================================
   ANIMACIONES
   ===================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-28px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse-gold {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(255, 192, 0, 0.35), 0 2px 8px rgba(255, 192, 0, 0.2);
    }
    50% {
        box-shadow: 0 8px 48px rgba(255, 192, 0, 0.55), 0 2px 16px rgba(255, 192, 0, 0.35);
    }
}

@keyframes pulse-green {
    0%, 100% {
        box-shadow: 0 8px 28px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 8px 48px rgba(37, 211, 102, 0.55), 0 0 24px rgba(37, 211, 102, 0.3);
    }
}

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

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

.tt-container {
    width: 100%;
    max-width: var(--tt-container);
    margin: 0 auto;
    padding: 0 var(--tt-gutter);
}

.tt-main {
    overflow: hidden;
}

.tt-page {
    padding-top: calc(var(--tt-header) + 56px);
    padding-bottom: 80px;
}

/* =====================================================
   UTILIDADES TIPOGRÁFICAS
   ===================================================== */

.tt-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--tt-primary);
    font-family: var(--tt-font-body);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.tt-eyebrow::before {
    content: "";
    flex: 0 0 auto;
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
}

.tt-section-head {
    max-width: 740px;
    margin-bottom: 52px;
}

.tt-section-head h2 {
    margin: 12px 0 0;
    font-family: var(--tt-font-heading);
    font-size: clamp(2.2rem, 4.5vw, 4rem);
    line-height: 1.0;
    letter-spacing: -0.02em;
}

/* =====================================================
   REVEAL — Intersection Observer
   ===================================================== */

.tt-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.65s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tt-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.tt-reveal--delay-1 { transition-delay: 0.08s; }
.tt-reveal--delay-2 { transition-delay: 0.16s; }
.tt-reveal--delay-3 { transition-delay: 0.24s; }

/* =====================================================
   CARD BASE
   ===================================================== */

.tt-card {
    background: var(--tt-bg-glass);
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius-lg);
    overflow: hidden;
    box-shadow: var(--tt-shadow-card);
    transition: border-color var(--tt-transition), box-shadow var(--tt-transition), transform var(--tt-transition);
}

.tt-card:hover {
    border-color: var(--tt-border-strong);
    box-shadow: var(--tt-shadow-card), var(--tt-glow-sm);
    transform: translateY(-3px);
}