/* ============================================
   Мастер — Лендинг
   Современный дизайн: тёмная/светлая тема,
   плавная типографика, свечение, стекло
   ============================================ */

/* --- Сброс --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* --- Тёмная тема (по умолчанию) --- */
:root {
    --bg-primary: #0b0e13;
    --bg-secondary: #10141b;
    --bg-card: #161b24;
    --bg-elevated: #1b2130;
    --text-primary: #eef1f6;
    --text-secondary: #a6b0c2;
    --text-muted: #6b7688;
    --accent: #ff7a1a;
    --accent-2: #ffb020;
    --accent-hover: #ff8c3a;
    --accent-glow: rgba(255, 122, 26, 0.35);
    --accent-bg: rgba(255, 122, 26, 0.12);
    --grid-color: #1a202b;
    --hero-glow-1: var(--accent-glow);
    --hero-glow-2: rgba(56, 89, 138, 0.22);
    --glow-soft: rgba(255, 122, 26, 0.05);
    --glow-soft-2: rgba(84, 130, 190, 0.09);
    --border: #232a38;
    --border-hover: #303a4d;
    --border-light: #161b24;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.55), 0 4px 14px rgba(0, 0, 0, 0.35);
    --glow-accent: 0 8px 32px var(--accent-glow);
    --header-bg: rgba(11, 14, 19, 0.72);
    --success: #34d399;
    --error: #f87171;
    --input-bg: #141922;
    --overlay: rgba(5, 7, 11, 0.72);
    --radius: 14px;
    --radius-lg: 20px;
}

/* --- Базовые --- */
html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; color: var(--text-primary); }

/* --- Выделение текста --- */
::selection {
    background: var(--accent);
    color: #fff;
}

/* --- Скроллбар --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* --- Фокус для доступности --- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* --- Утилиты --- */
.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-accent {
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* --- Секции --- */
.section {
    padding: clamp(3.5rem, 8vw, 6.5rem) 0;
    position: relative;
    z-index: 1;
}

.section__eyebrow {
    display: block;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section__eyebrow--left {
    text-align: left;
}

.section__title {
    font-size: clamp(1.7rem, 4.2vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 0.75rem;
    line-height: 1.15;
}

.section__subtitle {
    font-size: clamp(0.98rem, 1.6vw, 1.12rem);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: clamp(2rem, 4.5vw, 3.4rem);
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Декоративные фоны секций --- */
.portfolio {
    background:
        radial-gradient(900px 420px at 100% 6%, var(--glow-soft), transparent 70%),
        radial-gradient(700px 380px at 0% 94%, var(--glow-soft-2), transparent 70%),
        var(--bg-primary);
}

.advantages {
    background:
        radial-gradient(800px 400px at 8% 12%, var(--glow-soft), transparent 70%),
        radial-gradient(700px 400px at 92% 88%, var(--glow-soft-2), transparent 70%),
        var(--bg-secondary);
}

.prices {
    background:
        radial-gradient(800px 400px at 88% 100%, var(--glow-soft-2), transparent 70%),
        var(--bg-primary);
}

.reviews {
    background:
        radial-gradient(800px 400px at 80% 0%, var(--glow-soft), transparent 70%),
        var(--bg-secondary);
}

/* --- Кнопки --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.8rem 1.7rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 12px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
}

.btn--accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: var(--glow-accent);
}

.btn--accent::after {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-20deg);
    transition: left 0.55s ease;
}

.btn--accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.btn--accent:hover::after {
    left: 130%;
}

.btn--accent:active {
    transform: translateY(0);
}

.btn--outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-hover);
}

.btn--outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn--lg {
    padding: 1rem 2.2rem;
    font-size: 1.08rem;
    border-radius: 14px;
}

.btn--sm {
    padding: 0.55rem 1.05rem;
    font-size: 0.875rem;
    border-radius: 10px;
}

.btn--full { width: 100%; }

.btn__loader { display: none; }
.btn--loading .btn__text { visibility: hidden; }
.btn--loading .btn__loader {
    display: block;
    position: absolute;
}
.btn--loading { position: relative; pointer-events: none; opacity: 0.85; }
.btn--loading .btn__loader svg { animation: spin 1s linear infinite; }

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Шапка (стекло) --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    border-bottom: 1px solid var(--border-light);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.header__logo-icon {
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.header__nav { display: none; }

.header__link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: 9px;
    transition: all 0.2s ease;
}

.header__link:hover {
    color: var(--text-primary);
    background: var(--accent-bg);
}

.header__right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.header__phone {
    display: none;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
}

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

/* Бургер */
.header__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 9px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.header__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.header__burger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Мобильное меню --- */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    z-index: 99;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transform: translateX(120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.mobile-menu[aria-hidden="false"] { transform: translateX(0); }

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-menu__link {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
    padding: 0.85rem 0.5rem;
    border-radius: 10px;
    transition: background 0.2s ease, color 0.2s ease;
}

.mobile-menu__link:hover {
    color: var(--accent);
    background: var(--accent-bg);
}

.mobile-menu__phone {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

/* --- Hero --- */
.hero {
    padding-top: calc(70px + clamp(2.5rem, 6vw, 4.5rem));
    padding-bottom: clamp(3rem, 7vw, 5.5rem);
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

/* Сетка-фон и свечение */
.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        radial-gradient(600px 360px at 75% 10%, var(--hero-glow-1), transparent 70%),
        radial-gradient(800px 500px at 10% 90%, var(--hero-glow-2), transparent 70%),
        radial-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: auto, auto, 28px 28px, 56px 56px, 56px 56px;
    mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, #000 30%, transparent 100%);
}

.hero__content {
    position: relative;
    max-width: 760px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-bg);
    border: 1px solid var(--accent-glow);
    border-radius: 999px;
    margin-bottom: 1.4rem;
    backdrop-filter: blur(6px);
}

.hero__title {
    font-size: clamp(1.9rem, 5.2vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.18rem);
    color: var(--text-secondary);
    margin-bottom: 2.2rem;
    max-width: 600px;
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.8rem;
}

.hero__stats {
    display: flex;
    gap: clamp(1.4rem, 3vw, 2.8rem);
    padding-top: 1.8rem;
    border-top: 1px solid var(--border);
    max-width: 520px;
}

.hero__stat strong {
    display: block;
    font-size: clamp(1.4rem, 2.6vw, 1.9rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.1;
}

.hero__stat span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* --- Карточки услуг --- */
.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.4rem;
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 3vw, 2.2rem);
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-card__icon {
    width: 68px;
    height: 68px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--accent-bg), transparent);
    border: 1px solid var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.4rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover .service-card__icon {
    transform: scale(1.06) rotate(-3deg);
    box-shadow: var(--glow-accent);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: 0.55rem;
}

.service-card__desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1.3rem;
}

.service-card__links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.service-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.2s ease, transform 0.2s ease;
}

.service-card__link:hover {
    color: var(--accent);
    transform: translateX(2px);
}

.service-card__link--accent {
    color: var(--accent);
    margin-left: auto;
}

.service-card__link--accent:hover {
    color: var(--accent-hover);
}

.service-card__more-btn {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.2rem 0;
    border-bottom: 1px dashed var(--border-hover);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.service-card__more-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.service-card__more-btn[aria-expanded="true"] {
    color: var(--accent);
    border-color: var(--accent);
}

.service-card__more {
    margin-top: 1rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
    max-height: 260px;
    overflow-y: auto;
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding-right: 0.25rem;
}

.service-card__list li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.87rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.service-card__list li::before {
    content: '•';
    position: absolute;
    left: 0.25rem;
    color: var(--accent);
    font-weight: 700;
}

.service-card__order {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: auto;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    border-radius: 10px;
    box-shadow: var(--glow-accent);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    text-align: center;
}

.service-card__order:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--accent-glow);
    color: #fff;
}

/* --- Портфолио --- */
.portfolio__group {
    margin-bottom: 2rem;
}

.portfolio__group:last-child { margin-bottom: 0; }

.portfolio__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    transition: border-color 0.2s ease;
}

.portfolio__header:hover {
    border-color: var(--border-hover);
}

.portfolio__heading {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0;
}

.portfolio__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--accent);
    padding: 0.5rem 0.9rem;
    border-radius: 10px;
    background: var(--accent-bg);
    transition: background 0.2s ease, box-shadow 0.2s ease;
    white-space: nowrap;
}

.portfolio__toggle:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--glow-accent);
}

.portfolio__toggle-icon {
    transition: transform 0.3s ease;
}

.portfolio__toggle[aria-expanded="true"] .portfolio__toggle-icon {
    transform: rotate(180deg);
}

/* Сетка портфолио — скрыта по умолчанию */
.portfolio__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.35s ease;
}

.portfolio__grid[aria-hidden="false"] {
    max-height: 6000px;
    opacity: 1;
}

.portfolio__item {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio__item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.portfolio__img {
    position: relative;
    background: var(--bg-secondary);
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.portfolio__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio__item:hover .portfolio__img img {
    transform: scale(1.05);
}

.portfolio__img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.25));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio__item:hover .portfolio__img::after {
    opacity: 1;
}

.portfolio__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    background:
        radial-gradient(240px 120px at 30% 20%, var(--accent-bg), transparent 70%),
        var(--border);
}

.portfolio__caption {
    padding: 1rem 1.2rem 1.1rem;
}

.portfolio__caption p {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    line-height: 1.4;
}

.portfolio__caption small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* --- Преимущества --- */
.advantages__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.4rem;
}

.advantage {
    text-align: left;
    padding: 1.7rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.advantage:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.advantage__icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--accent-bg), transparent);
    border: 1px solid var(--accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.1rem;
}

.advantage__title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.advantage__text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Процесс --- */
.process__steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.step {
    text-align: center;
    max-width: 260px;
    position: relative;
}

.step__number {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--glow-accent);
}

.step__title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.step__text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.step__arrow { display: none; }

/* --- Цены --- */
.prices__table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.prices__table {
    width: 100%;
    border-collapse: collapse;
    min-width: 400px;
}

.prices__table thead {
    background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}

.prices__table th {
    padding: 1rem 1.4rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.prices__table td {
    padding: 0.9rem 1.4rem;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.92rem;
    color: var(--text-primary);
}

.prices__table tbody tr:last-child td { border-bottom: none; }

.prices__table tbody tr {
    transition: background 0.15s ease;
}

.prices__table tbody tr:hover { background: var(--accent-bg); }

.prices__table td:last-child {
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
}

/* --- Отзывы --- */
.reviews__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.4rem;
}

.review {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.8rem;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.review:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.review::before {
    content: '”';
    position: absolute;
    top: 0.4rem;
    right: 1.2rem;
    font-size: 4.5rem;
    line-height: 1;
    font-weight: 800;
    color: var(--accent-bg);
    pointer-events: none;
}

.review__stars {
    display: flex;
    gap: 2px;
    margin-bottom: 1rem;
}

.review__text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.1rem;
}

.review__author {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text-secondary);
}

/* --- Форма заявки --- */
.application {
    background:
        radial-gradient(900px 500px at 0% 100%, var(--glow-soft-2), transparent 70%),
        radial-gradient(700px 400px at 100% 0%, var(--glow-soft), transparent 70%),
        var(--bg-secondary);
}

.application .section__title { text-align: left; }

.application__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 5vw, 3.5rem);
}

.application__text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1.6rem;
    line-height: 1.7;
}

.application__contacts {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.application__contact {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
    font-size: 0.98rem;
    font-weight: 600;
    padding: 0.7rem 1rem;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
    width: fit-content;
    max-width: 100%;
}

.application__contact:hover {
    color: var(--accent);
    border-color: var(--accent-glow);
    box-shadow: var(--glow-accent);
    transform: translateY(-2px);
}

/* Форма */
.form {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: clamp(1.6rem, 4vw, 2.4rem);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.form__field-wrap {
    margin-bottom: 1.3rem;
}

.form__group { margin-bottom: 1.3rem; }
.form__group:last-of-type { margin-bottom: 1.6rem; }

.form__label {
    display: block;
    font-size: 0.87rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.form__required { color: var(--error); }

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 0.82rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-bg), 0 0 20px var(--accent-glow);
}

.form__input::placeholder,
.form__textarea::placeholder { color: var(--text-muted); }

.form__input--error,
.form__select--error { border-color: var(--error); }

.form__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7688' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.6rem;
}

.form__textarea { resize: vertical; min-height: 84px; }

.form__group--checkbox {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.55rem;
}

.form__checkbox {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.form__checkbox-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
    cursor: pointer;
}

.form__link { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.form__link:hover { opacity: 0.85; }

.form__error {
    display: block;
    font-size: 0.78rem;
    color: var(--error);
    margin-top: 0.3rem;
}

.form__error:empty { display: none; }

/* --- Футер --- */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding-top: 3.5rem;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.2rem;
    padding-bottom: 3rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.footer__logo-icon {
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.footer__desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 300px;
}

.footer__heading {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.9rem;
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.footer__list li,
.footer__list a {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer__list a:hover { color: var(--accent); }

.footer__bottom {
    border-top: 1px solid var(--border);
    padding: 1.2rem 0;
}

.footer__bottom p {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-align: center;
}

/* --- Кнопка «Наверх» --- */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--glow-accent);
}

/* --- Лайтбокс --- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.lightbox__overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox__content {
    position: relative;
    max-width: 900px;
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transform: scale(0.92) translateY(12px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
}

.lightbox[aria-hidden="false"] .lightbox__content {
    transform: scale(1) translateY(0);
}

.lightbox__close {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    z-index: 1;
    transition: background 0.2s ease, transform 0.2s ease;
}

.lightbox__close:hover {
    background: var(--accent);
    transform: scale(1.08);
}

.lightbox__img-wrap {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg-secondary);
    overflow: hidden;
}

.lightbox__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: var(--bg-secondary);
}

.lightbox__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
}

.lightbox__placeholder:empty {
    display: none;
}

.lightbox__caption {
    padding: 1rem 1.3rem;
    color: var(--text-primary);
    font-size: 0.92rem;
    text-align: center;
}

/* --- Сообщение об успехе --- */
.success-message {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.success-message[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.success-message__inner {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 2.8rem 2.4rem;
    text-align: center;
    max-width: 420px;
    width: 100%;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: scale(0.92);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.success-message[aria-hidden="false"] .success-message__inner {
    transform: scale(1);
}

.success-message__inner svg {
    margin: 0 auto 1.1rem;
    filter: drop-shadow(0 0 14px rgba(52, 211, 153, 0.5));
}

.success-message__inner h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.success-message__inner p {
    color: var(--text-secondary);
    margin-bottom: 1.6rem;
}

/* --- Модалка услуги --- */
.service-modal {
    position: fixed;
    inset: 0;
    z-index: 250;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.service-modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.service-modal__overlay {
    position: absolute;
    inset: 0;
}

.service-modal__content {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.8rem;
    transform: scale(0.94) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-modal[aria-hidden="false"] .service-modal__content {
    transform: scale(1) translateY(0);
}

.service-modal__close {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.service-modal__close:hover {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
}

.service-modal__title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    padding-right: 2.5rem;
}

.service-modal__body {
    overflow-y: auto;
    margin-bottom: 1.4rem;
    padding-right: 0.25rem;
    min-height: 0;
}

/* --- Адаптив: Tablet ≥ 640px --- */
@media (min-width: 640px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .advantages__grid { grid-template-columns: repeat(2, 1fr); }
    .reviews__grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__inner { grid-template-columns: repeat(2, 1fr); }
}

/* --- Адаптив: Desktop ≥ 960px --- */
@media (min-width: 960px) {
    .header__nav { display: flex; }
    .header__phone { display: flex; }
    .header__burger { display: none; }

    .hero {
        padding-top: calc(70px + 5rem);
        padding-bottom: 6rem;
    }

    .services__grid { grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
    .advantages__grid { grid-template-columns: repeat(3, 1fr); }
    .reviews__grid { grid-template-columns: repeat(3, 1fr); }
    .portfolio__grid { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }

    .process__steps { flex-direction: row; justify-content: center; gap: 1.2rem; }
    .step__arrow { display: flex; flex-shrink: 0; color: var(--text-muted); }

    .application__inner { grid-template-columns: 1.05fr 1fr; align-items: start; }

    .footer__inner { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

/* --- Мобильные --- */
@media (max-width: 639px) {
    .section__subtitle { margin-bottom: 2.2rem; }
    .hero__buttons { flex-direction: column; }
    .hero__buttons .btn { width: 100%; }
    .hero__stats { gap: 1.6rem; }
    .hero__stat strong { font-size: 1.3rem; }
    .hero__stat span { font-size: 0.78rem; }
    .application__contacts { gap: 0.7rem; }
}

/* --- Анимация появления --- */
@media (prefers-reduced-motion: no-preference) {
    .service-card,
    .advantage,
    .step,
    .review,
    .portfolio__item {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .service-card.visible,
    .advantage.visible,
    .step.visible,
    .review.visible,
    .portfolio__item.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

body.modal-open { overflow: hidden; }