/* ============================================================
   AVELEC.ru Homepage Styles v2.0
   Dark Tech / Aerospace / Electronic Components
   Inspired by ekb-test.ru structure
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
    --av-bg-primary: #020811;
    --av-bg-secondary: #06111d;
    --av-bg-card: #0d1b2e;
    --av-accent: #1478ff;
    --av-accent-light: #1e9bff;
    --av-green: #00c853;
    --av-text-primary: #f5f7fb;
    --av-text-secondary: #8fa3bf;
    --av-border: rgba(20, 120, 255, 0.12);
    --av-border-hover: rgba(20, 120, 255, 0.3);
    --av-glass: rgba(13, 27, 46, 0.6);
    --av-radius: 16px;
    --av-transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body.avelec-front {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--av-text-primary);
    background: var(--av-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.avelec-front h1, body.avelec-front h2, body.avelec-front h3, body.avelec-front h4 {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.2;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.av-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- HEADER ---------- */
.av-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: background var(--av-transition), box-shadow var(--av-transition);
}

.av-header--scrolled {
    background: rgba(2, 8, 17, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--av-border), 0 8px 32px rgba(0,0,0,0.3);
}

.av-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
    height: 72px;
}

.av-header__logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--av-text-primary);
    flex-shrink: 0;
}

/* Search bar */
.av-header__search {
    flex: 1;
    max-width: 480px;
    display: flex;
    align-items: center;
    background: rgba(13, 27, 46, 0.6);
    border: 1px solid var(--av-border);
    border-radius: 10px;
    padding: 0 4px 0 14px;
    transition: border-color 0.3s, background 0.3s;
}

.av-header__search:focus-within {
    border-color: var(--av-border-hover);
    background: rgba(13, 27, 46, 0.9);
}

.av-header__search-icon {
    flex-shrink: 0;
    color: var(--av-text-secondary);
    margin-right: 10px;
}

.av-header__search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    color: var(--av-text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    padding: 10px 0;
}

.av-header__search-input::placeholder {
    color: rgba(143, 163, 191, 0.5);
}

.av-header__search-btn {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: var(--av-accent);
    padding: 7px 18px;
    border-radius: 7px;
    flex-shrink: 0;
    transition: background 0.3s;
    white-space: nowrap;
}

.av-header__search-btn:hover {
    background: var(--av-accent-light);
}

.av-header__nav {
    display: flex;
    gap: 24px;
}

.av-header__nav a {
    font-size: 13px;
    font-weight: 500;
    color: var(--av-text-secondary);
    transition: color 0.3s;
    white-space: nowrap;
}

.av-header__nav a:hover { color: var(--av-text-primary); }

.av-header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--av-text-secondary);
    flex-shrink: 0;
    transition: color 0.3s;
    white-space: nowrap;
}

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

.av-header__cta {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: var(--av-accent);
    padding: 10px 22px;
    border-radius: 8px;
    transition: background 0.3s, transform 0.3s;
    flex-shrink: 0;
    white-space: nowrap;
}

.av-header__cta:hover {
    background: var(--av-accent-light);
    transform: translateY(-1px);
}

.av-header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.av-header__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--av-text-primary);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

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

/* ---------- BUTTONS ---------- */
.av-btn {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    padding: 14px 32px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.av-btn--primary {
    background: var(--av-accent);
    color: #fff;
    box-shadow: 0 4px 24px rgba(20, 120, 255, 0.3);
}

.av-btn--primary:hover {
    background: var(--av-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(20, 120, 255, 0.4);
}

.av-btn--outline {
    background: transparent;
    color: var(--av-text-primary);
    border: 1px solid rgba(255,255,255,0.2);
}

.av-btn--outline:hover {
    border-color: var(--av-accent);
    color: var(--av-accent-light);
    transform: translateY(-2px);
}

.av-btn--full { display: block; width: 100%; }

/* ---------- HERO CAROUSEL ---------- */
.av-hero {
    position: relative;
    background: var(--av-bg-primary);
    margin: 0;
    padding: 0;
}

.av-hero__swiper {
    width: 100%;
    overflow: hidden;
}

.av-hero .swiper-wrapper {
    padding: 0;
}

.av-hero .swiper-slide {
    height: auto;
}

.av-hero__slide {
    position: relative;
    overflow: hidden;
    width: 100%;
}

.av-hero .swiper-slide {
    width: 100% !important;
}

.av-hero__bg {
    width: 100%;
    height: auto;
    display: block;
}

.av-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(2, 8, 17, 0.25) 0%,
        rgba(2, 8, 17, 0.05) 30%,
        rgba(2, 8, 17, 0.55) 70%,
        rgba(2, 8, 17, 0.92) 100%);
    pointer-events: none;
}

.av-hero__content {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 700px;
    padding: 100px 24px 60px;
}

.av-hero__label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--av-accent-light);
    background: rgba(20, 120, 255, 0.1);
    border: 1px solid rgba(20, 120, 255, 0.2);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s, transform 0.6s;
}

.av-hero__title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s 0.15s, transform 0.6s 0.15s;
}

.av-hero__text {
    font-size: 17px;
    color: var(--av-text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 540px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s 0.3s, transform 0.6s 0.3s;
}

.av-hero__btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s 0.45s, transform 0.6s 0.45s;
}

.swiper-slide-active .av-hero__label,
.swiper-slide-active .av-hero__title,
.swiper-slide-active .av-hero__text,
.swiper-slide-active .av-hero__btns {
    opacity: 1;
    transform: translateY(0);
}

.av-hero__pagination {
    position: absolute;
    bottom: 24px !important;
    left: 50% !important;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.av-hero__pagination .swiper-pagination-bullet {
    width: 32px;
    height: 3px;
    border-radius: 3px;
    background: rgba(255,255,255,0.3);
    opacity: 1;
    transition: all 0.4s;
}

.av-hero__pagination .swiper-pagination-bullet-active {
    background: var(--av-accent);
    width: 48px;
}

/* ---------- SECTION HEADERS ---------- */
.av-section-header {
    text-align: center;
    margin-bottom: 56px;
}

.av-section-header--left { text-align: left; margin-bottom: 32px; }

.av-section-title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--av-text-primary) 0%, var(--av-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.av-section-subtitle {
    font-size: 16px;
    color: var(--av-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ---------- STATS BAR ---------- */
.av-stats {
    background: var(--av-bg-secondary);
    border-top: 1px solid var(--av-border);
    border-bottom: 1px solid var(--av-border);
    padding: 48px 0;
    position: relative;
}

.av-stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 10% 50%, rgba(20, 120, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 50%, rgba(30, 155, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.av-stats__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    text-align: center;
}

.av-stats__item { position: relative; z-index: 1; }

.av-stats__number {
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--av-accent-light);
    display: inline;
}

.av-stats__plus {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--av-accent);
}

.av-stats__label {
    display: block;
    font-size: 13px;
    color: var(--av-text-secondary);
    margin-top: 8px;
    letter-spacing: 0.3px;
}

/* ---------- ABOUT SECTION ---------- */
.av-about {
    padding: 100px 0;
    position: relative;
    background: var(--av-bg-secondary);
}

.av-about::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 30%, rgba(20, 120, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.av-about__grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.av-about__text {
    font-size: 15px;
    color: var(--av-text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.av-about__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.av-about__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--av-accent-light);
    background: rgba(20, 120, 255, 0.08);
    border: 1px solid rgba(20, 120, 255, 0.15);
    padding: 8px 16px;
    border-radius: 100px;
}

.av-about__badge svg { flex-shrink: 0; }

.av-about__visual { position: relative; }

.av-about__img-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--av-bg-card);
    border: 1px solid var(--av-border);
    border-radius: var(--av-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--av-text-secondary);
    font-size: 14px;
    opacity: 0.6;
}

/* ---------- CATEGORIES GRID ---------- */
.av-categories {
    padding: 100px 0;
    position: relative;
}

.av-categories::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(20, 120, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}

.av-categories__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.av-cat-card {
    position: relative;
    background: var(--av-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--av-border);
    border-radius: var(--av-radius);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    transition: all var(--av-transition);
    overflow: hidden;
    cursor: pointer;
}

.av-cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--av-accent), var(--av-accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--av-transition);
}

.av-cat-card:hover::before { transform: scaleX(1); }

.av-cat-card:hover {
    border-color: var(--av-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 8px 32px rgba(20, 120, 255, 0.12), 0 0 0 1px rgba(20, 120, 255, 0.05);
}

.av-cat-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 120, 255, 0.08);
    border-radius: 14px;
    margin-bottom: 24px;
    color: var(--av-accent-light);
    transition: all var(--av-transition);
}

.av-cat-card:hover .av-cat-card__icon {
    background: rgba(20, 120, 255, 0.15);
    transform: scale(1.05);
}

.av-cat-card__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    transition: color 0.3s;
}

.av-cat-card:hover .av-cat-card__title { color: var(--av-accent-light); }

.av-cat-card__text {
    font-size: 14px;
    color: var(--av-text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 16px;
}

.av-cat-card__count {
    font-size: 12px;
    font-weight: 600;
    color: var(--av-green);
    background: rgba(0, 200, 83, 0.08);
    border: 1px solid rgba(0, 200, 83, 0.15);
    padding: 4px 12px;
    border-radius: 100px;
    align-self: flex-start;
    margin-bottom: 16px;
}

.av-cat-card__arrow {
    font-size: 20px;
    color: var(--av-accent);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--av-transition);
}

.av-cat-card:hover .av-cat-card__arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ---------- WORKFLOW ---------- */
.av-workflow {
    padding: 100px 0;
    background: var(--av-bg-secondary);
    position: relative;
    overflow: hidden;
}

.av-workflow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(20, 120, 255, 0.04) 0%, transparent 60%);
    pointer-events: none;
}

.av-workflow__steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    padding-top: 48px;
}

.av-workflow__line {
    position: absolute;
    top: 48px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--av-accent), var(--av-accent-light), var(--av-accent), transparent);
    opacity: 0.2;
}

.av-step { text-align: center; position: relative; }

.av-step__number {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--av-accent-light);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    background: var(--av-bg-primary);
    border: 2px solid var(--av-border-hover);
    border-radius: 50%;
    position: relative;
    z-index: 1;
    transition: all var(--av-transition);
}

.av-step:hover .av-step__number {
    background: var(--av-accent);
    color: #fff;
    border-color: var(--av-accent);
    box-shadow: 0 0 24px rgba(20, 120, 255, 0.3);
}

.av-step__title { font-size: 15px; font-weight: 700; margin-bottom: 10px; }

.av-step__text {
    font-size: 13px;
    color: var(--av-text-secondary);
    line-height: 1.6;
    max-width: 180px;
    margin: 0 auto;
}

/* ---------- ADVANTAGES (10 items) ---------- */
.av-advantages {
    padding: 100px 0;
    position: relative;
}

.av-advantages::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(20, 120, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(30, 155, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.av-advantages__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.av-adv-card {
    position: relative;
    background: rgba(13, 27, 46, 0.4);
    border: 1px solid rgba(20, 120, 255, 0.08);
    border-radius: var(--av-radius);
    padding: 32px 28px;
    transition: all var(--av-transition);
    overflow: hidden;
}

.av-adv-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(180deg, transparent, rgba(20, 120, 255, 0.03));
    transition: height var(--av-transition);
}

.av-adv-card:hover::after { height: 100%; }

.av-adv-card:hover {
    border-color: rgba(20, 120, 255, 0.2);
    background: rgba(13, 27, 46, 0.7);
}

.av-adv-card__num {
    font-family: 'Montserrat', sans-serif;
    font-size: 44px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--av-accent), var(--av-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 16px;
    transition: opacity 0.3s;
}

.av-adv-card:hover .av-adv-card__num { opacity: 0.35; }

.av-adv-card__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.av-adv-card__text {
    font-size: 13.5px;
    color: var(--av-text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ---------- CERTIFICATES ---------- */
.av-certificates {
    padding: 100px 0;
    background: var(--av-bg-secondary);
    position: relative;
    overflow: hidden;
}

.av-certificates::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(20, 120, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(30, 155, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.av-certificates__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.av-cert-card {
    background: rgba(13, 27, 46, 0.5);
    border: 1px solid var(--av-border);
    border-radius: 14px;
    padding: 28px 20px;
    text-align: center;
    transition: all var(--av-transition);
}

.av-cert-card:hover {
    border-color: var(--av-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(20, 120, 255, 0.08);
}

.av-cert-card__img {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 120, 255, 0.06);
    border-radius: 14px;
    color: var(--av-accent-light);
    transition: all var(--av-transition);
}

.av-cert-card:hover .av-cert-card__img {
    background: rgba(20, 120, 255, 0.12);
    transform: scale(1.05);
}

.av-cert-card__title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
}

.av-cert-card__text {
    font-size: 11px;
    color: var(--av-text-secondary);
    line-height: 1.4;
}

/* ---------- CONTACT FORM ---------- */
.av-contact {
    padding: 100px 0;
    position: relative;
}

.av-contact::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(20, 120, 255, 0.06) 0%, transparent 50%),
        linear-gradient(225deg, rgba(30, 155, 255, 0.04) 0%, transparent 50%),
        radial-gradient(rgba(20, 120, 255, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 48px 48px;
    pointer-events: none;
}

.av-contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.av-contact__text {
    font-size: 16px;
    color: var(--av-text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    margin-top: 12px;
}

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

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

.av-contact__detail svg {
    flex-shrink: 0;
    color: var(--av-accent-light);
    margin-top: 2px;
}

.av-contact__detail a {
    color: var(--av-text-secondary);
    transition: color 0.3s;
}

.av-contact__detail a:hover { color: var(--av-accent-light); }

.av-contact__label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(143, 163, 191, 0.6);
    margin-bottom: 2px;
}

.av-contact__detail p,
.av-contact__detail a {
    font-size: 15px;
}

/* Form styles */
.av-contact__form {
    background: rgba(13, 27, 46, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--av-border);
    border-radius: var(--av-radius);
    padding: 40px 36px;
}

.av-contact__form-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 28px;
}

.av-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.av-form-group { margin-bottom: 16px; }

.av-form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--av-text-secondary);
    margin-bottom: 8px;
}

.av-form-input,
.av-form-textarea {
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: var(--av-text-primary);
    background: rgba(2, 8, 17, 0.5);
    border: 1px solid var(--av-border);
    border-radius: 10px;
    padding: 13px 16px;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.av-form-input::placeholder,
.av-form-textarea::placeholder {
    color: rgba(143, 163, 191, 0.4);
}

.av-form-input:focus,
.av-form-textarea:focus {
    border-color: var(--av-border-hover);
    box-shadow: 0 0 0 3px rgba(20, 120, 255, 0.08);
}

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

.av-contact__form-note {
    text-align: center;
    font-size: 12px;
    color: rgba(143, 163, 191, 0.5);
    margin-top: 16px;
}

/* ---------- FOOTER ---------- */
.av-footer {
    background: var(--av-bg-secondary);
    border-top: 1px solid var(--av-border);
    padding: 64px 0 0;
}

.av-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.av-footer__logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 3px;
    display: block;
    margin-bottom: 16px;
}

.av-footer__text {
    font-size: 14px;
    color: var(--av-text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.av-footer__socials {
    display: flex;
    gap: 12px;
}

.av-footer__socials a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(20, 120, 255, 0.08);
    border: 1px solid var(--av-border);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--av-text-secondary);
    transition: all 0.3s;
}

.av-footer__socials a:hover {
    background: var(--av-accent);
    border-color: var(--av-accent);
    color: #fff;
}

.av-footer__heading {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--av-text-primary);
    margin-bottom: 20px;
}

.av-footer__col a,
.av-footer__col p {
    display: block;
    font-size: 14px;
    color: var(--av-text-secondary);
    margin-bottom: 12px;
    transition: color 0.3s;
}

.av-footer__col a:hover { color: var(--av-accent-light); }

.av-footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 13px;
    color: rgba(143, 163, 191, 0.6);
}

.av-footer__bottom a {
    color: rgba(143, 163, 191, 0.6);
    transition: color 0.3s;
}

.av-footer__bottom a:hover { color: var(--av-text-secondary); }

/* ---------- SCROLL REVEAL ---------- */
.av-revealed {
    animation: avFadeUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.av-cat-card, .av-step, .av-adv-card, .av-section-header,
.av-cert-card, .av-about__content, .av-about__visual,
.av-contact__info, .av-contact__form {
    opacity: 0;
    transform: translateY(24px);
}

@keyframes avFadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Stagger delays */
.av-categories__grid > .av-revealed:nth-child(1) { animation-delay: 0s; }
.av-categories__grid > .av-revealed:nth-child(2) { animation-delay: 0.08s; }
.av-categories__grid > .av-revealed:nth-child(3) { animation-delay: 0.16s; }
.av-categories__grid > .av-revealed:nth-child(4) { animation-delay: 0.24s; }
.av-categories__grid > .av-revealed:nth-child(5) { animation-delay: 0.32s; }
.av-categories__grid > .av-revealed:nth-child(6) { animation-delay: 0.40s; }

.av-workflow__steps > .av-revealed:nth-child(1) { animation-delay: 0s; }
.av-workflow__steps > .av-revealed:nth-child(2) { animation-delay: 0.1s; }
.av-workflow__steps > .av-revealed:nth-child(3) { animation-delay: 0.2s; }
.av-workflow__steps > .av-revealed:nth-child(4) { animation-delay: 0.3s; }
.av-workflow__steps > .av-revealed:nth-child(5) { animation-delay: 0.4s; }

.av-advantages__grid > .av-revealed:nth-child(1) { animation-delay: 0s; }
.av-advantages__grid > .av-revealed:nth-child(2) { animation-delay: 0.06s; }
.av-advantages__grid > .av-revealed:nth-child(3) { animation-delay: 0.12s; }
.av-advantages__grid > .av-revealed:nth-child(4) { animation-delay: 0.18s; }
.av-advantages__grid > .av-revealed:nth-child(5) { animation-delay: 0.24s; }
.av-advantages__grid > .av-revealed:nth-child(6) { animation-delay: 0.30s; }
.av-advantages__grid > .av-revealed:nth-child(7) { animation-delay: 0.36s; }
.av-advantages__grid > .av-revealed:nth-child(8) { animation-delay: 0.42s; }
.av-advantages__grid > .av-revealed:nth-child(9) { animation-delay: 0.48s; }
.av-advantages__grid > .av-revealed:nth-child(10) { animation-delay: 0.54s; }

.av-certificates__grid > .av-revealed:nth-child(1) { animation-delay: 0s; }
.av-certificates__grid > .av-revealed:nth-child(2) { animation-delay: 0.06s; }
.av-certificates__grid > .av-revealed:nth-child(3) { animation-delay: 0.12s; }
.av-certificates__grid > .av-revealed:nth-child(4) { animation-delay: 0.18s; }
.av-certificates__grid > .av-revealed:nth-child(5) { animation-delay: 0.24s; }
.av-certificates__grid > .av-revealed:nth-child(6) { animation-delay: 0.30s; }

/* ---------- RESPONSIVE: TABLET ---------- */
@media (max-width: 1024px) {
    .av-header__phone { display: none; }
    .av-header__nav { gap: 16px; }
    .av-header__nav a { font-size: 12px; }

    .av-about__grid { grid-template-columns: 1fr; gap: 40px; }
    .av-about__visual { order: -1; }

    .av-categories__grid { grid-template-columns: repeat(2, 1fr); }
    .av-advantages__grid { grid-template-columns: repeat(2, 1fr); }

    .av-stats__grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
    .av-stats__item:nth-child(n+4) { margin-top: 32px; }

    .av-certificates__grid { grid-template-columns: repeat(3, 1fr); }

    .av-contact__grid { grid-template-columns: 1fr; gap: 48px; }

    .av-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ---------- RESPONSIVE: MOBILE ---------- */
@media (max-width: 768px) {
    .av-header__search,
    .av-header__phone,
    .av-header__nav,
    .av-header__cta { display: none; }
    .av-header__burger { display: flex; }

    .av-header__nav--open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(2, 8, 17, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 32px 24px;
        gap: 24px;
        z-index: 999;
    }

    .av-header__nav--open a {
        font-size: 18px;
        color: var(--av-text-primary);
    }

    /* Mobile search inside nav */
    .av-header__nav--open::before {
        content: '';
        display: block;
    }

    .av-hero__content { padding: 100px 24px 60px; }
    .av-hero__btns { flex-direction: column; }
    .av-hero__btns .av-btn { text-align: center; }

    .av-stats__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .av-stats__item:nth-child(5) { grid-column: 1 / -1; margin-top: 0; }
    .av-stats__number { font-size: 28px; }

    .av-workflow__steps {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-top: 0;
    }
    .av-workflow__line { display: none; }
    .av-step { text-align: left; }
    .av-step__number { margin: 0 0 16px 0; width: 48px; height: 48px; font-size: 20px; }
    .av-step__text { margin: 0; max-width: none; }

    .av-categories__grid { grid-template-columns: 1fr; }
    .av-advantages__grid { grid-template-columns: 1fr; }
    .av-certificates__grid { grid-template-columns: repeat(2, 1fr); }

    .av-form-row { grid-template-columns: 1fr; }

    .av-contact__form { padding: 28px 20px; }

    .av-footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .av-footer__bottom { flex-direction: column; gap: 8px; text-align: center; }

    .av-about, .av-categories, .av-workflow, .av-advantages,
    .av-certificates, .av-contact { padding: 72px 0; }
}

/* ---------- RESPONSIVE: SMALL MOBILE ---------- */
@media (max-width: 480px) {
    .av-container { padding: 0 16px; }
    .av-header__inner { height: 60px; }
    .av-hero__content { padding: 80px 16px 48px; }
    .av-stats { padding: 32px 0; }
    .av-cat-card { padding: 28px 24px; }
    .av-adv-card { padding: 24px 20px; }
    .av-btn { padding: 12px 24px; font-size: 13px; }
    .av-certificates__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .av-cert-card { padding: 20px 12px; }
}

/* ---------- HIDE FLATSOME LEAK ON HOMEPAGE ---------- */
body.avelec-front .mobile-sidebar,
body.avelec-front .mfp-hide,
body.avelec-front .flatsome-social-share,
body.avelec-front .share-bar,
body.avelec-front .back-to-top,
body.avelec-front footer.flatsome-footer,
body.avelec-front .absolute-footer,
body.avelec-front .footer-secondary {
    display: none !important;
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .av-cat-card, .av-step, .av-adv-card, .av-section-header,
    .av-cert-card, .av-about__content, .av-about__visual,
    .av-contact__info, .av-contact__form {
        opacity: 1;
        transform: none;
    }
    .av-hero__label,
    .av-hero__title,
    .av-hero__text,
    .av-hero__btns {
        opacity: 1;
        transform: none;
    }
}