:root {
    --color-primary: #6c3a82;
    --color-secondary: #98408b;
    --color-accent: #00d4ff;
    --color-accent-warm: #e44d85;
    --color-gradient: linear-gradient(135deg, #6c3a82 0%, #98408b 100%);
    --color-gradient-tech: linear-gradient(135deg, #6c3a82 0%, #98408b 50%, #00d4ff 100%);
    --color-black: #111111;
    --color-white: #ffffff;
    --color-gray: #f8f6fa;
    --color-text: #333333;
    --color-text-muted: #666666;
    --shadow: 0 10px 30px rgba(108, 58, 130, 0.12);
    --shadow-accent: 0 12px 32px rgba(108, 58, 130, 0.22);
    --radius: 16px;
    --container: 1200px;
    --transition: 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    line-height: 1.6;
    background: var(--color-white);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: var(--color-gradient-tech);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-gradient);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.btn--primary:hover {
    box-shadow: 0 10px 28px rgba(108, 58, 130, 0.35);
    transform: translateY(-2px);
}

.btn--outline-light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--outline-light:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn--large {
    padding: 18px 36px;
    font-size: 16px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: box-shadow var(--transition);
}

.header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo__img {
    height: 44px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-black);
    transition: color var(--transition);
}

.nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--color-gradient);
    transition: width var(--transition);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.header__cta {
    padding: 12px 24px;
    font-size: 14px;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: transform var(--transition), opacity var(--transition);
}

.burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-active span:nth-child(2) { opacity: 0; }
.burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    background: var(--color-black);
    color: var(--color-white);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(circle at 80% 30%, rgba(0, 212, 255, 0.15), transparent 40%),
        radial-gradient(circle at 20% 70%, rgba(108, 58, 130, 0.25), transparent 45%);
}

.hero__grid {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 75%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 75%);
}

.hero__inner {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero__content {
    max-width: 640px;
}

.hero__eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 8px 16px;
    background: rgba(0, 212, 255, 0.12);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: 50px;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.hero__title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 36px;
    max-width: 540px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.hero__stat {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.hero__stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.hero__stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__card-stack {
    position: relative;
    width: 360px;
    height: 360px;
}

.hero__card {
    position: absolute;
    width: 170px;
    height: 170px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--color-white);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    animation: floatCard 6s ease-in-out infinite;
}

.hero__card svg {
    width: 42px;
    height: 42px;
    color: var(--color-accent);
}

.hero__card span {
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    padding: 0 12px;
}

.hero__card--1 { top: 0; left: 0; animation-delay: 0s; }
.hero__card--2 { top: 0; right: 0; animation-delay: 1.5s; }
.hero__card--3 { bottom: 0; left: 0; animation-delay: 3s; }
.hero__card--4 { bottom: 0; right: 0; animation-delay: 4.5s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero__card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.4), rgba(108, 58, 130, 0.4));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Section */
.section {
    padding: 100px 0;
}

.section--gray {
    background: var(--color-gray);
}

.section-header {
    margin-bottom: 48px;
    max-width: 720px;
}

.section-header--center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-title--services {
    display: block;
    width: 100%;
    text-align: center !important;
    white-space: normal !important;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-secondary);
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(26px, 2.6vw, 36px);
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-black);
    margin-bottom: 18px;
}

.section-title--light {
    color: var(--color-white);
}

.section-subtitle {
    font-size: 17px;
    line-height: 1.65;
    color: var(--color-text-muted);
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--color-white);
    border: 1px solid rgba(108, 58, 130, 0.1);
    border-radius: var(--radius);
    padding: 28px 22px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-accent);
}

.service-card__number {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--color-gradient);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 18px;
}

.service-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 10px;
}

.service-card__text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.55;
    flex-grow: 1;
}

/* Software */
.software__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.software-card {
    background: var(--color-white);
    border: 1px solid rgba(108, 58, 130, 0.1);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.software-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-accent);
}

.software-card__logo {
    height: 64px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    margin-bottom: 22px;
}

.software-card__title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 12px;
}

.software-card__text {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.software-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.software-card__tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-secondary);
    background: rgba(108, 58, 130, 0.08);
    padding: 6px 12px;
    border-radius: 100px;
}

/* Cameras */
.camera-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.camera-card {
    background: var(--color-white);
    border: 1px solid rgba(108, 58, 130, 0.1);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}

.camera-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-accent);
}

.camera-card__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--color-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.camera-card__icon svg {
    width: 36px;
    height: 36px;
}

.camera-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 10px;
}

.camera-card__text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* App */
.app__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.app__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.app__phone {
    width: 280px;
    height: 520px;
    border-radius: 36px;
    background: var(--color-gradient);
    padding: 16px;
    box-shadow: var(--shadow-accent), 0 0 60px rgba(0, 212, 255, 0.15);
}

.app__screen {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    background: var(--color-white);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app__screen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.app__screen-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

.app__screen-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    flex-grow: 1;
}

.app__screen-cell {
    background: var(--color-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app__screen-cell svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.app__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
}

.app__list li {
    position: relative;
    padding-left: 28px;
    font-size: 15px;
    color: var(--color-text);
}

.app__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 16px;
    height: 16px;
    background: var(--color-gradient);
    border-radius: 50%;
}

/* Quiz */
.quiz__panel {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(108, 58, 130, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.quiz__question {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 28px;
    text-align: center;
}

.quiz__options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.quiz__option {
    padding: 18px 22px;
    border: 2px solid rgba(108, 58, 130, 0.12);
    border-radius: var(--radius);
    background: var(--color-white);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-black);
    text-align: left;
    transition: var(--transition);
}

.quiz__option:hover {
    border-color: var(--color-primary);
    background: rgba(108, 58, 130, 0.04);
}

.quiz__option.is-selected {
    border-color: var(--color-primary);
    background: rgba(108, 58, 130, 0.08);
}

.quiz__result {
    display: none;
    text-align: center;
}

.quiz__result.is-active {
    display: block;
}

.quiz__result-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 12px;
}

.quiz__result-text {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Expert */
.expert__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
}

.expert__box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    gap: 20px;
    overflow: hidden;
}

.expert__box .section-title {
    max-width: 100%;
    width: 100%;
    overflow-wrap: break-word;
    word-break: normal;
}

.section-title--expert {
    white-space: normal;
    line-height: 1.25;
}

.expert__form-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.expert__slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 8px;
}

.expert__slot {
    padding: 14px;
    border: 1px solid rgba(108, 58, 130, 0.15);
    border-radius: var(--radius);
    background: var(--color-white);
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
}

.expert__slot:hover,
.expert__slot.is-selected {
    border-color: var(--color-primary);
    background: rgba(108, 58, 130, 0.06);
}

.expert__slot-time {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-black);
}

.expert__slot-date {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.expert__nextcloud {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 14px;
    color: var(--color-secondary);
    font-weight: 600;
}

.expert__nextcloud:hover {
    color: var(--color-primary);
}

/* Calculator */
.calculator__panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(108, 58, 130, 0.1);
}

.calculator__group {
    margin-bottom: 24px;
}

.calculator__label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 12px;
}

.calculator__value {
    font-weight: 700;
    color: var(--color-primary);
}

.calculator__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(108, 58, 130, 0.12);
    border-radius: 100px;
    outline: none;
    cursor: pointer;
}

.calculator__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-white);
    box-shadow: 0 4px 14px rgba(108, 58, 130, 0.3);
    cursor: pointer;
}

.calculator__summary {
    background: var(--color-gray);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.calculator__price {
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    color: var(--color-primary);
}

.calculator__price span {
    font-size: 18px;
    color: var(--color-text-muted);
}

.calculator__note {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* FAQ */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq__item {
    background: var(--color-white);
    border: 1px solid rgba(108, 58, 130, 0.1);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq__question {
    width: 100%;
    padding: 22px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-black);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.faq__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.faq__item.is-open .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition), padding var(--transition);
}

.faq__item.is-open .faq__answer {
    max-height: 300px;
    padding: 0 24px 22px;
}

.faq__answer p {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* Contacts */
.contacts {
    background: var(--color-gray);
}

.contacts__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contacts__item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contacts__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--color-gradient);
    color: var(--color-white);
}

.contacts__icon svg {
    width: 22px;
    height: 22px;
}

.contacts__data {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contacts__label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.contacts__value {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-black);
    transition: color var(--transition);
}

.contacts__value:hover {
    color: var(--color-secondary);
}

.contacts__value--address {
    font-style: normal;
    line-height: 1.5;
}

.contacts__map {
    flex: 1;
    min-height: 300px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 8px;
}

.contacts__map iframe {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: 0;
    filter: grayscale(25%);
}

.contacts__form-wrapper {
    background: var(--color-white);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contacts__form-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 20px;
}

.contacts__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e8e0ec;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    background: #fdfcfe;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 4px rgba(152, 64, 139, 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-honeypot {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    opacity: 0;
    pointer-events: none;
}

.form-note {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.form-link {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--color-gradient);
    color: var(--color-white);
    padding: 32px 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.footer__copy {
    font-size: 14px;
    font-weight: 500;
    opacity: 0.92;
}

.footer__up {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50px;
    transition: var(--transition);
}

.footer__up:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(17, 17, 17, 0.7);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 520px;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 40px;
    z-index: 2;
    transform: translateY(20px) scale(0.98);
    transition: var(--transition);
}

.modal.is-open .modal__content {
    transform: translateY(0) scale(1);
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-gray);
    border-radius: 50%;
    font-size: 24px;
    color: var(--color-black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal__close:hover {
    background: var(--color-accent);
}

.modal__title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 12px;
}

.modal__subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.55;
}

/* Responsive */
@media (max-width: 1100px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .software__grid,
    .camera-options,
    .calculator__panel,
    .app__inner,
    .expert__inner,
    .contacts__inner {
        grid-template-columns: 1fr;
    }

    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__actions,
    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .hero__card-stack {
        width: 260px;
        height: 260px;
    }

    .hero__card {
        width: 120px;
        height: 120px;
    }

    .hero__card svg {
        width: 32px;
        height: 32px;
    }

    .hero__card span {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        height: calc(100vh - 72px);
        height: calc(100dvh - 72px);
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 60px;
        gap: 22px;
        transform: translateX(100%);
        transition: transform var(--transition);
    }

    .nav.is-open {
        transform: translateX(0);
    }

    .nav__link {
        font-size: 20px;
    }

    .header__cta {
        display: none;
    }

    .burger {
        display: flex;
    }

    .hero__title {
        font-size: 32px;
    }

    
    .services__grid,
    .software__grid,
    .camera-options,
    .quiz__options,
    .expert__slots,
    .calculator__panel {
        grid-template-columns: 1fr;
    }

    .quiz__panel,
    .calculator__panel,
    .contacts__form-wrapper {
        padding: 24px;
    }

    .section {
        padding: 70px 0;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
}

/* Consent checkbox (152-FZ) */
.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 4px 0 16px;
}
.form-consent__input {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary, #6c3a82);
    cursor: pointer;
}
.form-consent__label {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-text, #4a4a4a);
    cursor: pointer;
}

/* Yandex Maps JS API map (replaces iframe widget) */
.contacts__map .ymap {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: inherit;
    border: 0;
    filter: grayscale(25%);
    overflow: hidden;
}