/* =========================================================
   ВИДЕОНАБЛЮДЕНИЕ
   ========================================================= */

.videonabludenie-page {
    overflow: hidden;
}


/* =========================================================
   HERO
   ========================================================= */

.videonabludenie-hero {
    position: relative;
    overflow: hidden;
    padding: 90px 0 100px;
    color: var(--color-white);
    background:
        radial-gradient(
            circle at 75% 50%,
            rgba(52, 119, 255, 0.28),
            transparent 34%
        ),
        linear-gradient(
            135deg,
            #071a3d 0%,
            #0d2858 55%,
            #1557d6 100%
        );
}

.videonabludenie-hero::before {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -180px;
    top: -220px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.videonabludenie-hero::after {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    right: -360px;
    top: -310px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.videonabludenie-hero-inner {
    position: relative;
    z-index: 1;

    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 70px;
}

.videonabludenie-hero-content {
    max-width: 680px;
}

.videonabludenie-hero .section-label {
    color: rgba(255, 255, 255, 0.7);
}

.videonabludenie-hero h1 {
    margin: 18px 0 35px;
    font-size: clamp(42px, 5vw, 68px);
    line-height: 1.05;
    letter-spacing: -0.035em;
}

.videonabludenie-benefits {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.videonabludenie-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 14px;

    max-width: 650px;

    color: rgba(255, 255, 255, 0.9);
    font-size: 17px;
    line-height: 1.5;
}

.videonabludenie-benefit-icon {
    flex: 0 0 26px;

    width: 26px;
    height: 26px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.13);
    color: #ffffff;

    font-size: 14px;
    font-weight: 700;
}

.videonabludenie-hero-camera {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    min-height: 430px;
}

.videonabludenie-camera-glow {
    position: absolute;

    width: 390px;
    height: 390px;

    border-radius: 50%;

    background: rgba(83, 145, 255, 0.22);
    filter: blur(50px);
}

.videonabludenie-hero-camera img {
    position: relative;
    z-index: 1;

    width: min(100%, 620px);
    height: auto;

    object-fit: contain;

    filter:
        drop-shadow(0 30px 45px rgba(0, 0, 0, 0.25));
}


/* =========================================================
   COMMON FEATURE BLOCKS
   ========================================================= */

.videonabludenie-feature {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 90px;
}

.videonabludenie-feature-reverse {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.videonabludenie-feature-content {
    max-width: 600px;
}

.videonabludenie-feature-content .section-title {
    margin-bottom: 25px;
}

.videonabludenie-feature-content .section-description + .section-description {
    margin-top: 18px;
}

.videonabludenie-feature-image {
    display: flex;
    justify-content: center;
}

.videonabludenie-phone-card {
    position: relative;

    width: min(100%, 430px);

    padding: 14px;

    border-radius: 32px;

    background: #ffffff;

    box-shadow:
        0 25px 70px rgba(7, 26, 61, 0.14),
        0 5px 20px rgba(7, 26, 61, 0.05);
}

.videonabludenie-phone-card::before {
    content: "";

    position: absolute;
    inset: -10px;

    z-index: -1;

    border-radius: 38px;

    background: linear-gradient(
        135deg,
        rgba(21, 87, 214, 0.14),
        rgba(21, 87, 214, 0)
    );
}

.videonabludenie-phone-card img {
    display: block;

    width: 100%;
    height: auto;

    border-radius: 22px;
}

.videonabludenie-phone-card-large {
    width: min(100%, 400px);
}


/* =========================================================
   ALL CAMERAS
   ========================================================= */

.videonabludenie-all-cameras {
    background: var(--color-blue-soft);
}


/* =========================================================
   APP SECTION
   ========================================================= */

.videonabludenie-app-heading {
    max-width: 820px;
    margin-bottom: 30px;
}

.videonabludenie-app-heading .section-label{
    
    text-align: left;
}

.videonabludenie-app .section-title{
    display: block;
    text-align: left;
    margin-bottom: 80px;
}


.videonabludenie-app-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 70px;
}

.videonabludenie-app-text {
    position: sticky;
    top: 120px;
}

.videonabludenie-app-list {
    display: grid;
    gap: 18px;

    margin: 0;
    padding: 0;

    list-style: none;
}

.videonabludenie-app-list li {
    display: flex;
    align-items: flex-start;
    gap: 13px;

    color: var(--color-text);
    font-size: 16px;
    line-height: 1.55;
}

.videonabludenie-list-icon {
    flex: 0 0 25px;

    width: 25px;
    height: 25px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-top: 1px;

    border-radius: 50%;

    background: var(--color-blue-light);
    color: var(--color-primary);

    font-size: 13px;
    font-weight: 700;
}

/* =========================================================
   APP SCREENSHOT SLIDER
   ========================================================= */

.videonabludenie-app-slider {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.videonabludenie-app-slides {
    position: relative;

    width: 100%;

    display: grid;

    overflow: hidden;

    border: 1px solid var(--color-border);
    border-radius: 28px;

    background: #ffffff;

    box-shadow: var(--shadow-medium);
}

.videonabludenie-app-slide {
    grid-area: 1 / 1;

    padding: 18px;

    opacity: 0;

    pointer-events: none;

    transform: translateX(12px);

    transition:
        opacity 0.35s ease,
        transform 0.35s ease;
}

.videonabludenie-app-slide.is-active {
    opacity: 1;

    pointer-events: auto;

    transform: translateX(0);
}

.videonabludenie-app-slide img {
    display: block;

    width: 100%;
    height: auto;

    border-radius: 20px;
}

@keyframes videonabludenie-slide-in {
    from {
        opacity: 0;
        transform: translateX(12px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.videonabludenie-app-slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    margin-top: 22px;
}

.videonabludenie-app-dot {
    width: 9px;
    height: 9px;

    padding: 0;

    border: 0;
    border-radius: 50%;

    background: #cbd5e1;

    cursor: pointer;

    transition:
        width var(--transition),
        background var(--transition),
        transform var(--transition);
}

.videonabludenie-app-dot:hover {
    transform: scale(1.15);
}

.videonabludenie-app-dot.is-active {
    width: 28px;

    border-radius: 999px;

    background: var(--color-primary);
}

@media (prefers-reduced-motion: reduce) {

    .videonabludenie-app-slide {
        animation: none;
    }

    .videonabludenie-app-dot {
        transition: none;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    .videonabludenie-app-image {
        transition: none;
    }

    .videonabludenie-app-image:hover {
        transform: none;
    }
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 900px) {

    .videonabludenie-hero {
        padding: 70px 0 80px;
    }

    .videonabludenie-hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .videonabludenie-hero-content {
        max-width: 760px;
    }

    .videonabludenie-hero-camera {
        min-height: 320px;
    }

    .videonabludenie-hero-camera img {
        width: min(100%, 520px);
    }

    .videonabludenie-feature,
    .videonabludenie-feature-reverse {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .videonabludenie-feature-reverse .videonabludenie-feature-content {
        order: 1;
    }

    .videonabludenie-feature-reverse .videonabludenie-feature-image {
        order: 2;
    }

    .videonabludenie-feature-content {
        max-width: 760px;
    }

    .videonabludenie-app-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .videonabludenie-app-text {
        position: static;
    }

}


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

@media (max-width: 600px) {

    .videonabludenie-hero {
        padding: 55px 0 65px;
    }

    .videonabludenie-hero h1 {
        margin-top: 14px;
        margin-bottom: 28px;

        font-size: clamp(36px, 10vw, 48px);
    }

    .videonabludenie-benefits {
        gap: 13px;
    }

    .videonabludenie-benefits li {
        font-size: 15px;
    }

    .videonabludenie-hero-camera {
        min-height: 240px;
    }

    .videonabludenie-camera-glow {
        width: 260px;
        height: 260px;
    }

    .videonabludenie-phone-card {
        padding: 9px;
        border-radius: 24px;
    }

    .videonabludenie-phone-card img {
        border-radius: 17px;
    }

    .videonabludenie-app-heading {
        margin-bottom: 20px;
    }



}

/* =========================================================
   CONNECTION STEPS
   ========================================================= */

.videonabludenie-connection {
    background: var(--color-blue-soft);
}

.videonabludenie-connection-heading {
    max-width: 760px;
}

.videonabludenie-connection-heading .section-label{
    text-align: left;
}

.videonabludenie-connection .section-title{
    text-align: center;
    margin-bottom: 80px;
}




.videonabludenie-steps {
    position: relative;

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    gap: 24px;
}

.videonabludenie-steps::before {
    content: "";

    position: absolute;

    top: 27px;
    left: 12.5%;
    right: 12.5%;

    height: 1px;

    background: var(--color-border);

    z-index: 0;
}

.videonabludenie-step {
    position: relative;
    z-index: 1;

    text-align: center;
}

.videonabludenie-step-number {
    width: 54px;
    height: 54px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin: 0 auto 25px;

    border: 6px solid var(--color-blue-soft);
    border-radius: 50%;

    background: var(--color-primary);

    color: #ffffff;

    font-size: 13px;
    font-weight: 700;

    box-shadow: 0 0 0 1px rgba(21, 87, 214, 0.15);
}

.videonabludenie-step-content {
    max-width: 250px;
    margin: 0 auto;
}

.videonabludenie-step-content h3 {
    margin: 0 0 10px;

    color: var(--color-dark);

    font-size: 19px;
    line-height: 1.25;
}

.videonabludenie-step-content p {
    margin: 0;

    color: var(--color-text-light);

    font-size: 15px;
    line-height: 1.55;
}

.videonabludenie-connection-action {
    display: flex;
    justify-content: center;

    margin-top: 55px;
}

.videonabludenie-connection-action .btn {
    min-width: 250px;
}


/* =========================================================
   CONNECTION STEPS — TABLET
   ========================================================= */

@media (max-width: 900px) {

    .videonabludenie-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 45px 30px;
    }

    .videonabludenie-steps::before {
        display: none;
    }

}


/* =========================================================
   CONNECTION STEPS — MOBILE
   ========================================================= */

@media (max-width: 600px) {

    .videonabludenie-steps {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .videonabludenie-step {
        display: grid;
        grid-template-columns: 54px 1fr;
        align-items: start;

        gap: 18px;

        text-align: left;
    }

    .videonabludenie-step-number {
        margin: 0;
    }

    .videonabludenie-step-content {
        max-width: none;
    }

    .videonabludenie-connection-action {
        margin-top: 45px;
    }

    .videonabludenie-connection-action .btn {
        width: 100%;
    }
    .videonabludenie-app .section-title {
        margin-bottom: 40px;

    }

}