/**
 * Global Styles - ProGrid Theme v3.0.2 (Pure CSS)
 * Base styles + Refined Page Transitions
 *
 * @package ProGrid
 * @version 3.0.2
 */

/* ============================================
   RESET & BASE
   ============================================ */
   * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'TWK Lausanne';
    font-size: 24px;
    color: #000;
    letter-spacing: normal;
    line-height: 1;
    font-weight: 400;
    background: #fdfdfd;
    transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1), color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.4;
}

/* ============================================
   CUSTOM CURSOR (solo hover devices)
   ============================================ */
@media (hover: hover) {
    body.cursor-active,
    body.cursor-active * {
        cursor: none !important;
    }
}

#cursor-circle,
#cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 99999;
    will-change: transform;
    opacity: 0;
    transition: opacity 0.2s ease;
}

@media (hover: none) {
    #cursor-circle,
    #cursor-dot {
        display: none !important;
    }
}

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

/* ============================================
   LAYOUT
   ============================================ */
.site {
    min-height: 100vh;
}

.site-content {
    /* margin-top: 60px; */
}

/* ============================================
   PAGE-LEVEL FLIP CARD (About)
   ============================================ */
.page-flip-container {
    perspective: 1200px;
}

.page-flip-card {
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-flip-card.flipped {
    transform: rotateX(180deg);
}

.page-flip-front,
.page-flip-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.page-flip-back {
    position: absolute;
    inset: 0;
    transform: rotateX(180deg);
    background: #fdfdfd;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 0 16px;
    transition: background-color 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-flip-back .flip-text-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    width: 100%;
    max-width: calc(6 * (100% / 10));
    margin: 0 auto;
    font-family: 'TWK Lausanne';
    font-size: 24px;
}

.page-flip-back .flip-text-col p {
    font-size: 24px;
    line-height: 1;
    text-align: justify;
}

.page-flip-back .flip-text-col--right {
    padding-top: 10rem;
}

@media (max-width: 767px) {
    body {
        font-size: 14px;
    }

    /* Lock viewport when page-level flip is active */
    body.is-page-flipped {
        height: 100vh;
        overflow: hidden;
    }

    body.is-page-flipped .page-flip-container {
        height: 100vh;
    }

    body.is-page-flipped .page-flip-card {
        height: 100vh;
    }

    .page-flip-container {
        perspective: 800px;
    }

    .page-flip-back {
        padding: 0 8px;
    }

    .page-flip-back .flip-text-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        padding: 1rem 0;
        gap: 1rem;
    }

    .page-flip-back .flip-text-col p {
        font-size: 14px;
    }

    .page-flip-back .flip-text-col--right {
        padding-top: 0;
    }
}

/* ============================================
   PAGE TRANSITIONS — Swup v4
   ============================================ */
.transition-fade {
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

html.is-animating .transition-fade {
    opacity: 0;
    pointer-events: none;
}

/* ── Flip transition (About / Contact — desktop only) ── */
.site.has-flip-transition {
    perspective: 1200px;
    overflow: visible;
}

.transition-flip {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: rotateX(0deg);
    transform-origin: center center;
}

html.is-animating .transition-flip {
    transform: rotateX(90deg);
    pointer-events: none;
}

html.is-changing {
    cursor: wait;
}

@media (prefers-reduced-motion: reduce) {
    .transition-fade {
        transition-duration: 0.1s;
    }

    .transition-flip {
        transition-duration: 0.1s;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */
/* Prevenir layout shifts durante navegación */
.transition-fade > *:not(.page-flip-container):not(.archive-scroll) {
    contain: layout style;
}

/* ============================================
   NIGHT MODE
   ============================================ */
body.night-mode {
    background: #000;
    color: #fdfdfd;
}

body.night-mode .page-flip-back {
    background: #000;
}