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

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-light: rgba(245, 158, 11, 0.15);
    --accent-glow: rgba(245, 158, 11, 0.3);
    --orange: #f97316;
    --text-primary: #f0f0f5;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(245, 158, 11, 0.3);
    --success: #10b981;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);

    /* Typography */
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Outfit', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

.text-accent {
    color: var(--accent);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent), var(--orange));
    color: #000;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

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

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

.btn--lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    z-index: 1001;
}

.logo__icon {
    font-size: 1.8rem;
    color: var(--accent);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.logo__accent {
    color: var(--accent);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    background: var(--accent-light);
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

.header__phone:hover {
    background: var(--accent);
    color: #000;
}

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

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background:
        linear-gradient(135deg, rgba(10, 10, 15, 0.85), rgba(10, 10, 15, 0.7)),
        url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1600&h=900&fit=crop') center/cover no-repeat;
    overflow: hidden;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, var(--accent-light) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(249, 115, 22, 0.08) 0%, transparent 40%);
}

.hero__particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    animation: fadeInDown 0.8s ease;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__title--accent {
    background: linear-gradient(135deg, var(--accent), var(--orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 560px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero__stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat {
    text-align: center;
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
}

.stat__label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero__scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s ease infinite;
}

.hero__scroll a {
    color: var(--text-muted);
    font-size: 1.5rem;
}

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

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header__tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 50px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-header__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header__desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== SERVICES ===== */
.services {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

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

.service-card {
    position: relative;
    padding: 32px 28px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--orange));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.service-card--featured {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

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

.service-card__badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 14px;
    border-radius: 50px;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.service-card__desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-card__features {
    margin-bottom: 20px;
}

.service-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.service-card__features i {
    color: var(--success);
    font-size: 0.75rem;
}

.service-card__price {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 8px;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.9rem;
}

.service-card__price strong {
    font-size: 1.1rem;
}

/* ===== GALLERY ===== */
.gallery {
    padding: var(--section-padding);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.gallery__item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 3/2;
    cursor: pointer;
    transition: var(--transition);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery__item:hover img {
    transform: scale(1.1);
}

.gallery__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: var(--transition);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__overlay i {
    font-size: 1.8rem;
    color: var(--accent);
}

.gallery__overlay span {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Gallery Video */
.gallery__video-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.gallery__video-title i {
    color: var(--accent);
}

.gallery__video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.video-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.video-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.video-card__media {
    display: block;
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: #000;
}

.video-card__placeholder {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: pointer;
}

.video-card__placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.video-card:hover .video-card__placeholder img {
    transform: scale(1.05);
}

.video-card__play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.video-card:hover .video-card__play {
    background: rgba(0, 0, 0, 0.5);
}

.video-card__play i {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent);
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: var(--transition);
    box-shadow: 0 0 30px var(--accent-glow);
}

.video-card:hover .video-card__play i {
    transform: scale(1.1);
}

.video-card__title {
    padding: 16px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ===== REVIEWS ===== */
.reviews {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.reviews__slider {
    position: relative;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.reviews__track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.review-card {
    min-width: 100%;
    padding: 40px;
    border-radius: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    margin: 0 12px;
}

.review-card__stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.review-card__stars i {
    color: var(--accent);
    font-size: 1.1rem;
}

.review-card__text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-style: italic;
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.review-card__author strong {
    display: block;
    margin-bottom: 2px;
}

.review-card__author span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.reviews__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 32px;
}

.reviews__arrow {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.reviews__arrow:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.reviews__dots {
    display: flex;
    gap: 8px;
}

.reviews__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.reviews__dot.active {
    background: var(--accent);
    width: 28px;
    border-radius: 5px;
}

/* ===== SUPPORT / FAQ ===== */
.support {
    padding: var(--section-padding);
}

.support__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.faq__heading {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq__heading i {
    color: var(--accent);
}

.faq__item {
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq__item:hover,
.faq__item.active {
    border-color: var(--border-hover);
}

.faq__question {
    width: 100%;
    padding: 18px 22px;
    background: var(--bg-card);
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    transition: var(--transition);
}

.faq__question:hover {
    background: var(--bg-card-hover);
}

.faq__question i {
    color: var(--accent);
    transition: var(--transition);
    font-size: 0.8rem;
}

.faq__item.active .faq__question i {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__answer p {
    padding: 0 22px 18px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Direct Email Card */
.direct-email {
    position: relative;
    padding: 44px;
    border-radius: 20px;
    background: linear-gradient(165deg, rgba(18, 18, 26, 0.98), rgba(10, 10, 15, 0.98));
    border: 1px solid var(--border);
    border-top: 0;
    overflow: hidden;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
}

.direct-email::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--orange) 100%);
}

.direct-email__title {
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.45rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.direct-email__link {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    border-radius: 14px;
    border: 1px solid var(--border-hover);
    background: var(--accent-light);
    color: var(--accent);
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    max-width: 100%;
    transition: var(--transition);
}

.direct-email__link:hover {
    transform: translateY(-2px);
    background: rgba(245, 158, 11, 0.22);
    border-color: var(--accent);
    box-shadow: 0 10px 26px var(--accent-glow);
}

.direct-email__link i {
    color: var(--accent);
    font-size: 1.2rem;
}

.direct-email__link span {
    overflow-wrap: anywhere;
}

.direct-email__desc {
    margin-top: 26px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.65;
}

/* ===== LOCATION ===== */
.location {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.location__grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: stretch;
}

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

.location__card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.location__card:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.location__card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
}

.location__card strong {
    display: block;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.location__card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

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

.location__card a:hover {
    text-decoration: underline;
}

.location__map {
    border-radius: 20px;
    overflow: hidden;
    min-height: 400px;
    border: 1px solid var(--border);
}

/* ===== CTA ===== */
.cta {
    padding: 80px 0;
    background:
        radial-gradient(ellipse at center, var(--accent-light) 0%, transparent 60%),
        var(--bg-primary);
}

.cta__inner {
    text-align: center;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta__desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    padding: 60px 0 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.logo--footer {
    margin-bottom: 16px;
}

.footer__about {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer__about strong {
    color: var(--text-primary);
    font-weight: 600;
}

.footer__divider {
    width: 60px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), var(--orange));
    margin-bottom: 20px;
}

.footer__social {
    display: flex;
    gap: 10px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer__social a:hover {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.footer__col h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.footer__col ul li {
    margin-bottom: 10px;
}

.footer__col ul li a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer__col ul li a:hover {
    color: var(--accent);
}

.footer__contacts li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__contacts i {
    color: var(--accent);
    font-size: 0.85rem;
    width: 16px;
}

.footer__bottom {
    padding: 20px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer__bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    color: #000;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px var(--accent-glow);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== FLOATING PARTICLES ===== */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.2;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 0.2;
    }

    90% {
        opacity: 0.2;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .location__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .header__phone {
        display: none;
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        gap: 15px;
    }

    .nav__link {
        font-size: 1.3rem;
        padding: 12px 24px;
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

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

    .gallery__video-grid {
        grid-template-columns: 1fr;
    }

    .support__grid {
        grid-template-columns: 1fr;
    }

    .direct-email {
        padding: 30px 24px;
    }

    .direct-email__title {
        font-size: 1.2rem;
    }

    .direct-email__link {
        width: 100%;
        padding: 14px 16px;
        font-size: 1rem;
    }

    .direct-email__desc {
        font-size: 1rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero__stats {
        gap: 24px;
    }

    .stat__number {
        font-size: 1.8rem;
    }

    .review-card {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .gallery__grid {
        grid-template-columns: 1fr;
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cta__buttons {
        flex-direction: column;
        align-items: center;
    }
}