/* ============================================================
   KEYFRAMES
   ============================================================ */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeRight {
    from { opacity: 0; transform: translateX(60px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes ticker {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
@keyframes floatY {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}
@keyframes floatY2 {
    0%, 100% { transform: translateY(0px) rotate(-3deg); }
    50%       { transform: translateY(-8px) rotate(3deg); }
}
@keyframes scrollLine {
    0%   { height: 0; opacity: 1; }
    80%  { height: 48px; opacity: 1; }
    100% { height: 48px; opacity: 0; }
}
@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity:1; }
    50%       { transform: scale(1.6); opacity:.6; }
}
@keyframes strokeDraw {
    from { stroke-dashoffset: 1000; }
    to   { stroke-dashoffset: 0; }
}
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
@keyframes navSlideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   REVEAL CLASSES (JS triggers .is-visible)
   ============================================================ */

.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease-out-expo),
                transform 0.7s var(--ease-out-expo);
}
.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s var(--ease-out-expo),
                transform 0.8s var(--ease-out-expo);
}
.reveal-up.is-visible,
.reveal-right.is-visible {
    opacity: 1;
    transform: none;
}

/* Staggered delays from data-delay */
[data-delay="100"].reveal-up  { transition-delay: .1s; }
[data-delay="200"].reveal-up  { transition-delay: .2s; }
[data-delay="300"].reveal-up  { transition-delay: .3s; }
[data-delay="400"].reveal-up  { transition-delay: .4s; }
[data-delay="500"].reveal-up  { transition-delay: .5s; }

/* ============================================================
   HERO STROKE BRUSHES
   ============================================================ */
.hero__bg-strokes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 2;
}
.stroke {
    position: absolute;
    height: 18px;
    border-radius: 100px;
    filter: blur(2px);
    opacity: .75;
    transform-origin: left center;
}
.stroke--cyan {
    width: 55%;
    background: var(--cyan);
    top: 62%;
    left: 30%;
    transform: rotate(-8deg);
    animation: floatY 4s ease-in-out infinite;
}
.stroke--lime {
    width: 40%;
    background: var(--lime);
    top: 67%;
    left: 15%;
    transform: rotate(-5deg);
    animation: floatY2 5s ease-in-out infinite .5s;
}
.stroke--lavender {
    width: 30%;
    background: var(--lavender);
    top: 72%;
    left: 45%;
    transform: rotate(-3deg);
    animation: floatY 4.5s ease-in-out infinite 1s;
}

/* ============================================================
   HERO ESTRELLAS DECORATIVAS
   ============================================================ */
.hero__bg-strokes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 3;
}

.hero__star {
    position: absolute;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,.12));
}

/* tamaños */
.hero__star--1 { width: 72px;  height: 72px; }
.hero__star--2 { width: 44px;  height: 44px; }
.hero__star--3 { width: 90px;  height: 90px; }
.hero__star--4 { width: 36px;  height: 36px; }
.hero__star--5 { width: 56px;  height: 56px; }
.hero__star--6 { width: 64px;  height: 64px; }

/* posiciones dispersas por el hero */
.hero__star--1 {
    top: 14%;  left: 72%;
    transform: rotate(12deg);
    animation: spinFloat1 7s ease-in-out infinite;
}
.hero__star--2 {
    top: 58%;  left: 82%;
    transform: rotate(-8deg);
    animation: spinFloat2 5.5s ease-in-out infinite .6s;
}
.hero__star--3 {
    top: 76%;  left: 60%;
    transform: rotate(20deg);
    animation: spinFloat1 9s ease-in-out infinite 1.2s;
}
.hero__star--4 {
    top: 22%;  left: 90%;
    transform: rotate(-15deg);
    animation: spinFloat2 6s ease-in-out infinite .3s;
}
.hero__star--5 {
    top: 42%;  left: 95%;
    transform: rotate(5deg);
    animation: spinFloat1 8s ease-in-out infinite 1.8s;
}
.hero__star--6 {
    top: 85%;  left: 78%;
    transform: rotate(-22deg);
    animation: spinFloat2 7.5s ease-in-out infinite .9s;
}

/* ============================================================
   FLOATING CARDS
   ============================================================ */
.visual-card--float {
    animation: floatY 3.5s ease-in-out infinite;
}
.visual-card--float:nth-child(3) {
    animation: floatY2 4.2s ease-in-out infinite .8s;
}

/* ============================================================
   SCROLL HINT
   ============================================================ */
.hero__scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-mono);
    font-size: .65rem;
    letter-spacing: .15em;
    color: rgba(0,0,0,.4);
    text-transform: uppercase;
    z-index: 5;
}
.scroll-line {
    width: 1px;
    height: 48px;
    background: rgba(0,0,0,.15);
    position: relative;
    overflow: hidden;
}
.scroll-line::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 1px;
    background: var(--cyan);
    animation: scrollLine 2s ease-in-out infinite;
}

/* Dot pulse */
.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}
.dot--cyan     { background: var(--cyan); }
.dot--lime     { background: var(--lime); }
.dot--lavender { background: var(--lavender); }