body.intro-active {
    overflow: hidden;
}

/* =========================
   PREMIUM WINDOW INTRO
========================= */

.intro-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 44%, rgba(235, 194, 124, 0.13), transparent 32%),
        radial-gradient(circle at 25% 30%, rgba(255, 255, 255, 0.05), transparent 28%),
        linear-gradient(120deg, #141414 0%, #132233 48%, #061322 100%);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.95s ease, visibility 0.95s ease;
}

.intro-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intro-loader::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 74px 74px;
    opacity: 0.16;
}

.intro-loader::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at center,
            rgba(255, 247, 226, 0.95) 0%,
            rgba(235, 194, 124, 0.62) 16%,
            rgba(255, 255, 255, 0.18) 30%,
            rgba(19, 34, 51, 0) 62%);
    opacity: 0;
    transform: scale(0.18);
    filter: blur(18px);
    pointer-events: none;
    animation: premiumPortalLight 1.55s cubic-bezier(.16,.84,.28,1) forwards 5.15s;
}

/* =========================
   SCENE
========================= */

.intro-premium {
    position: relative;
    width: min(980px, 94vw);
    height: min(720px, 88vh);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(34px, 5vh, 56px);
    transform-origin: center 42%;
    animation: premiumFlyInside 1.6s cubic-bezier(.16,.84,.28,1) forwards 5.15s;
}

.intro-premium__glow {
    position: absolute;
    width: min(720px, 80vw);
    height: min(520px, 58vh);
    border-radius: 50%;
    background:
        radial-gradient(circle at center,
            rgba(255, 242, 211, 0.22),
            rgba(224, 181, 111, 0.10) 35%,
            transparent 66%);
    filter: blur(20px);
    opacity: 0;
    animation: premiumGlowIn 1.15s ease forwards 1.4s;
}

/* =========================
   REAL WINDOW
========================= */

.intro-window-real {
    position: relative;
    width: min(760px, 86vw);
    height: min(430px, 48vh);
    min-height: 280px;
    perspective: 1600px;
    z-index: 3;
    filter: drop-shadow(0 26px 46px rgba(0, 0, 0, 0.28));
}

/* вид за окном */
.intro-window-real__view {
    position: absolute;
    inset: 26px 34px;
    z-index: 1;
    overflow: hidden;
    border-radius: 3px;
    background:
        linear-gradient(180deg, #bfe9ff 0%, #eaf8ff 43%, #d9f0c5 44%, #75b85c 100%);
    opacity: 0;
    transform: scale(0.96);
    animation: premiumViewIn 1s ease forwards 1.7s;
}

.intro-window-real__sky {
    position: absolute;
    inset: 0 0 42% 0;
    background:
        radial-gradient(circle at 74% 28%, rgba(255, 255, 255, 0.95) 0 5%, transparent 6%),
        radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.58) 0 7%, transparent 8%),
        linear-gradient(180deg, #a9dcff, #eef9ff);
}

.intro-window-real__land {
    position: absolute;
    left: -4%;
    right: -4%;
    bottom: -8%;
    height: 54%;
    background:
        radial-gradient(circle at 26% 45%, #5fa745 0 8%, transparent 9%),
        radial-gradient(circle at 70% 38%, #4f963e 0 10%, transparent 11%),
        linear-gradient(180deg, #cfeeb7 0%, #82c464 45%, #4c983f 100%);
}

.intro-window-real__tree {
    position: absolute;
    bottom: 18%;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 40% 38%, #a1d982, #4f9d43 58%, #367432 100%);
    filter: blur(0.2px);
    opacity: 0.8;
}

.intro-window-real__tree::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -48px;
    width: 10px;
    height: 62px;
    transform: translateX(-50%);
    background: #8a5a32;
    border-radius: 10px;
}

.intro-window-real__tree--1 {
    left: 5%;
    transform: scale(1.12);
}

.intro-window-real__tree--2 {
    right: 8%;
    bottom: 15%;
    transform: scale(1.25);
}

.intro-window-real__tree--3 {
    left: 43%;
    bottom: 10%;
    width: 90px;
    height: 90px;
    transform: scale(0.9);
    opacity: 0.62;
}

/* внешняя белая рама */
.intro-window-real__frame {
    position: absolute;
    inset: 0;
    z-index: 5;
    border: clamp(10px, 1.4vw, 16px) solid #f3f0e8;
    border-radius: 5px;
    background: transparent;
    box-shadow:
        inset 0 0 0 2px rgba(180, 180, 170, 0.38),
        inset 0 0 28px rgba(255, 255, 255, 0.78),
        0 0 0 1px rgba(255, 255, 255, 0.25),
        0 22px 70px rgba(0, 0, 0, 0.34);
    opacity: 0;
    transform: scale(0.96);
    animation: premiumFrameIn 0.95s ease forwards 0.6s;
}

/* центральная стойка и перекладина */
.intro-window-real__center {
    position: absolute;
    inset: 24px 34px;
    z-index: 6;
    opacity: 0;
    animation: premiumCenterIn 0.8s ease forwards 1.1s;
}

.intro-window-real__center::before,
.intro-window-real__center::after {
    content: "";
    position: absolute;
    background: #f5f2ea;
    box-shadow:
        0 0 18px rgba(255, 255, 255, 0.45),
        inset 0 0 0 1px rgba(190, 190, 180, 0.40);
}

.intro-window-real__center::before {
    left: 50%;
    top: 0;
    width: 10px;
    height: 100%;
    transform: translateX(-50%);
}

.intro-window-real__center::after {
    left: 0;
    right: 0;
    top: 48%;
    height: 9px;
    transform: translateY(-50%);
}

/* створки */
.intro-window-real__door {
    position: absolute;
    top: 26px;
    width: calc(50% - 36px);
    height: calc(100% - 52px);
    z-index: 8;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.18), rgba(255,255,255,0.04)),
        rgba(245, 245, 239, 0.06);
    border: 10px solid #f6f3eb;
    box-shadow:
        inset 0 0 0 2px rgba(185, 185, 175, 0.38),
        inset 0 0 30px rgba(255,255,255,0.70),
        0 12px 34px rgba(0,0,0,0.20);
    opacity: 0;
    will-change: transform, opacity;
    transform-style: preserve-3d;
}

.intro-window-real__door--left {
    left: 28px;
    transform-origin: left center;
    animation: premiumLeftDoor 1.65s cubic-bezier(.16,.84,.28,1) forwards 1.75s;
}

.intro-window-real__door--right {
    right: 28px;
    transform-origin: right center;
    animation: premiumRightDoor 1.65s cubic-bezier(.16,.84,.28,1) forwards 1.75s;
}

.intro-window-real__bars {
    position: absolute;
    inset: 0;
}

.intro-window-real__bars::before,
.intro-window-real__bars::after,
.intro-window-real__bars span {
    content: "";
    position: absolute;
    background: #f6f3eb;
    box-shadow: 0 0 12px rgba(255,255,255,0.42);
}

.intro-window-real__bars::before {
    left: 50%;
    top: 0;
    width: 7px;
    height: 100%;
    transform: translateX(-50%);
}

.intro-window-real__bars::after {
    left: 0;
    right: 0;
    top: 48%;
    height: 7px;
    transform: translateY(-50%);
}

.intro-window-real__bars span:nth-child(1) {
    left: 0;
    right: 0;
    top: 24%;
    height: 5px;
    opacity: 0.7;
}

.intro-window-real__bars span:nth-child(2) {
    left: 0;
    right: 0;
    top: 72%;
    height: 5px;
    opacity: 0.55;
}

/* =========================
   BRAND
========================= */

.intro-brand--premium {
    position: relative;
    z-index: 20;
    width: min(760px, 92vw);
    text-align: center;
    opacity: 0;
    transform: translateY(24px);
    animation: premiumBrandIn 1s ease forwards 3.55s;
}

.intro-brand__title {
    color: #e0b56f;
    font-family: inherit;
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
    text-shadow:
        0 0 18px rgba(224, 181, 111, 0.20),
        0 0 44px rgba(224, 181, 111, 0.12);
}

.intro-brand__subtitle {
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.76);
    font-size: clamp(12px, 1.4vw, 16px);
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

/* =========================
   ANIMATIONS
========================= */

@keyframes premiumGlowIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes premiumFrameIn {
    0% {
        opacity: 0;
        transform: scale(0.94);
        filter: blur(8px);
    }

    100% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0);
    }
}

@keyframes premiumCenterIn {
    0% {
        opacity: 0;
        transform: scaleY(0.86);
        filter: blur(6px);
    }

    100% {
        opacity: 1;
        transform: scaleY(1);
        filter: blur(0);
    }
}

@keyframes premiumViewIn {
    0% {
        opacity: 0;
        transform: scale(0.96);
        filter: blur(12px) saturate(0.7);
    }

    100% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0) saturate(1.08);
    }
}

@keyframes premiumLeftDoor {
    0% {
        opacity: 0;
        transform: perspective(1500px) rotateY(0deg) translateX(0);
    }

    18% {
        opacity: 1;
    }

    46% {
        opacity: 1;
        transform: perspective(1500px) rotateY(0deg) translateX(0);
    }

    100% {
        opacity: 1;
        transform: perspective(1500px) rotateY(-72deg) translateX(-28px);
    }
}

@keyframes premiumRightDoor {
    0% {
        opacity: 0;
        transform: perspective(1500px) rotateY(0deg) translateX(0);
    }

    18% {
        opacity: 1;
    }

    46% {
        opacity: 1;
        transform: perspective(1500px) rotateY(0deg) translateX(0);
    }

    100% {
        opacity: 1;
        transform: perspective(1500px) rotateY(72deg) translateX(28px);
    }
}

@keyframes premiumBrandIn {
    0% {
        opacity: 0;
        transform: translateY(24px);
        filter: blur(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes premiumFlyInside {
    0% {
        transform: scale(1);
        opacity: 1;
        filter: blur(0);
    }

    45% {
        transform: scale(1.03);
        opacity: 1;
        filter: blur(0);
    }

    72% {
        transform: scale(3.2);
        opacity: 1;
        filter: blur(2px);
    }

    100% {
        transform: scale(8.5);
        opacity: 0;
        filter: blur(10px);
    }
}

@keyframes premiumPortalLight {
    0% {
        opacity: 0;
        transform: scale(0.16);
        filter: blur(18px);
    }

    35% {
        opacity: 0.78;
        transform: scale(0.9);
        filter: blur(10px);
    }

    72% {
        opacity: 0.98;
        transform: scale(2.8);
        filter: blur(4px);
    }

    100% {
        opacity: 0;
        transform: scale(5.2);
        filter: blur(20px);
    }
}

/* =========================
   MOBILE
========================= */

@media (max-width: 720px) {
    .intro-premium {
        height: 82vh;
        gap: 34px;
    }

    .intro-window-real {
        width: 86vw;
        height: 42vh;
        min-height: 260px;
    }

    .intro-window-real__door {
        top: 24px;
        height: calc(100% - 48px);
        width: calc(50% - 32px);
        border-width: 7px;
    }

    .intro-window-real__door--left {
        left: 24px;
    }

    .intro-window-real__door--right {
        right: 24px;
    }

    .intro-brand__title {
        font-size: clamp(40px, 11vw, 58px);
    }

    .intro-brand__subtitle {
        font-size: 12px;
        letter-spacing: 0.20em;
    }
}

@media (max-width: 440px) {
    .intro-window-real {
        width: 88vw;
        height: 36vh;
        min-height: 230px;
    }

    .intro-brand__title {
        font-size: 38px;
    }
}