/* ============================================
   SITE - Main Stylesheet
   Monochrome Pro Color Palette
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================ */
:root {
    /* Colors - Monochrome Pro */
    --color-background: #FAFAFA;
    --color-surface: #FFFFFF;
    --color-text-primary: #111111;
    --color-text-secondary: #666666;
    --color-primary: #444444;
    --color-accent: #888888;
    --color-border: #DDDDDD;
    
    /* Typography */
    --font-heading: 'PP Neue Bit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    
    --lh-heading: 1.15;
    --lh-body: 1.6;
    
    --ls-heading: -0.02em;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
    
    /* Animation Timing */
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-emphasis: 600ms;
    
    /* Easing */
    --ease-standard: ease-out;
    --ease-entrance: cubic-bezier(0.0, 0.0, 0.2, 1);
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
    
    /* Z-index */
    --z-header: 1000;
    --z-nav: 999;
    --z-lightbox: 2000;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: var(--fw-regular);
    line-height: var(--lh-body);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
}

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

ul,
ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: var(--color-surface);
    padding: var(--space-sm) var(--space-md);
    z-index: 9999;
    transition: top var(--duration-fast) var(--ease-standard);
}

.skip-link:focus {
    top: 0;
}

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

.section {
    padding: var(--space-3xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-4xl) 0;
    }
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .section__header {
        margin-bottom: var(--space-3xl);
    }
}

.section__title {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    line-height: var(--lh-heading);
    letter-spacing: var(--ls-heading);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.section__subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-weight: var(--fw-medium);
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-smooth);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Пульсирующая кнопка (динамика) */
.btn--pulse {
    animation: btn-pulse 2.5s ease-in-out infinite;
}

@keyframes btn-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(68, 68, 68, 0.35); }
    50% { box-shadow: 0 0 0 12px rgba(68, 68, 68, 0); }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--duration-normal) var(--ease-standard),
                box-shadow var(--duration-normal) var(--ease-standard);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

@media (min-width: 768px) {
    .header__container {
        height: 72px;
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.5rem;
    letter-spacing: var(--ls-heading);
    color: var(--color-text-primary);
    transition: opacity var(--duration-fast) var(--ease-standard);
}

.logo:hover {
    opacity: 0.8;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: var(--space-sm);
    cursor: pointer;
    z-index: calc(var(--z-nav) + 1);
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle__bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--duration-normal) var(--ease-smooth);
}

.nav-toggle__bar:nth-child(1) {
    transform: translateY(-6px);
}

.nav-toggle__bar:nth-child(3) {
    transform: translateY(6px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(2px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-2px) rotate(-45deg);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-surface);
    padding: calc(64px + var(--space-xl)) var(--space-xl) var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--duration-slow) var(--ease-smooth);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-nav);
    overflow-y: auto;
}

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

@media (min-width: 1024px) {
    .nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background-color: transparent;
        padding: 0;
        transform: none;
        box-shadow: none;
        overflow: visible;
    }
}

.nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

@media (min-width: 1024px) {
    .nav__list {
        flex-direction: row;
        gap: var(--space-lg);
    }
}

.nav__link {
    display: block;
    padding: var(--space-sm) 0;
    font-size: 1rem;
    font-weight: var(--fw-medium);
    color: var(--color-text-secondary);
    transition: color var(--duration-fast) var(--ease-standard);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--duration-normal) var(--ease-smooth);
}

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

.nav__link:hover::after,
.nav__link:focus::after,
.nav__link.active::after {
    width: 100%;
}

/* Nav Overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-standard),
                visibility var(--duration-normal) var(--ease-standard);
    z-index: calc(var(--z-nav) - 1);
}

.nav-overlay.visible {
    opacity: 1;
    visibility: visible;
}

@media (min-width: 1024px) {
    .nav-overlay {
        display: none;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
/* Плавающие декоративные элементы в Hero */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    pointer-events: none;
    z-index: 1;
}

.hero::before {
    width: 300px;
    height: 300px;
    top: 15%;
    right: 10%;
    animation: float-shape 8s ease-in-out infinite;
}

.hero::after {
    width: 180px;
    height: 180px;
    bottom: 25%;
    left: 5%;
    animation: float-shape 10s ease-in-out infinite reverse;
    animation-delay: -2s;
}

@keyframes float-shape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(15px, -20px) scale(1.05); }
    66% { transform: translate(-10px, 15px) scale(0.98); }
}

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.hero__slider {
    position: relative;
    flex: 1;
    width: 100%;
}

.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-emphasis) var(--ease-smooth),
                visibility var(--duration-emphasis) var(--ease-smooth);
}

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

.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.4s ease-out;
}

.hero:hover .hero__bg {
    transform: scale(1.02);
}

/* Параллакс Hero (только transform — без лишней нагрузки) */
@media (min-width: 1024px) {
    .hero--parallax .hero__bg--parallax {
        background-attachment: fixed;
        background-position: center center;
    }
}
@media (max-width: 1023px) {
    .hero--parallax .hero__bg--parallax {
        background-attachment: scroll;
    }
}

.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.7) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
}

.hero__content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 64px;
    max-width: 520px;
}

.hero__title {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: var(--lh-heading);
    letter-spacing: var(--ls-heading);
    color: var(--color-surface);
    margin-bottom: var(--space-md);
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance);
}

.hero__slide.active .hero__title {
    opacity: 1;
    transform: translateX(0);
}

.hero__text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    opacity: 0;
    transition: opacity var(--duration-slow) var(--ease-entrance);
    transition-delay: 120ms;
}

.hero__slide.active .hero__text {
    opacity: 1;
}

/* Hero CTA */
.hero__cta-wrapper {
    position: absolute;
    bottom: 120px;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 0 var(--container-padding);
}

@media (min-width: 768px) {
    .hero__cta-wrapper {
        padding-left: calc((100vw - var(--container-max)) / 2 + var(--container-padding));
    }
}

.hero__cta {
    font-size: 1rem;
}

/* Hero Controls */
.hero__controls {
    position: absolute;
    bottom: var(--space-2xl);
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    z-index: 10;
}

.hero__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-surface);
    transition: background-color var(--duration-fast) var(--ease-standard);
}

.hero__arrow:hover,
.hero__arrow:focus {
    background-color: rgba(255, 255, 255, 0.2);
}

.hero__dots {
    display: flex;
    gap: var(--space-sm);
}

.hero__dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.4);
    transition: background-color var(--duration-fast) var(--ease-standard),
                transform var(--duration-fast) var(--ease-standard);
}

.hero__dot.active,
.hero__dot:hover {
    background-color: var(--color-surface);
    transform: scale(1.2);
}

/* Swipe indicator for mobile */
@media (max-width: 767px) {
    .hero__arrow {
        display: none;
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background-color: var(--color-background);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Service Card */
.service-card {
    position: relative;
    height: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

@media (min-width: 768px) {
    .service-card {
        height: 380px;
    }
}

.service-card__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-smooth);
}

.service-card:hover .service-card__bg {
    transform: scale(1.05);
}

.service-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.9) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.3) 100%
    );
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: backdrop-filter var(--duration-normal) var(--ease-smooth);
}

.service-card:hover .service-card__overlay {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.service-card__icon {
    color: var(--color-surface);
    margin-bottom: var(--space-md);
    opacity: 0.9;
}

.service-card__title {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.25rem;
    line-height: var(--lh-heading);
    letter-spacing: var(--ls-heading);
    color: var(--color-surface);
    margin-bottom: var(--space-sm);
}

.service-card__description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--duration-normal) var(--ease-smooth),
                opacity var(--duration-normal) var(--ease-smooth),
                margin var(--duration-normal) var(--ease-smooth);
}

.service-card:hover .service-card__description,
.service-card.open .service-card__description {
    max-height: 500px;
    opacity: 1;
    margin-bottom: var(--space-md);
}

.service-card__link {
    font-size: 0.875rem;
    font-weight: var(--fw-medium);
    color: var(--color-surface);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--duration-normal) var(--ease-smooth),
                transform var(--duration-normal) var(--ease-smooth);
}

.service-card:hover .service-card__link,
.service-card.open .service-card__link {
    opacity: 1;
    transform: translateY(0);
}

.service-card__link:hover {
    text-decoration: underline;
}

/* Лёгкое «плавание» карточек услуг (динамика) */
.service-card--float {
    animation: card-float 6s ease-in-out infinite;
}

.service-card--float:nth-child(2) { animation-delay: -1.5s; }
.service-card--float:nth-child(3) { animation-delay: -3s; }
.service-card--float:nth-child(4) { animation-delay: -4.5s; }
.service-card--float:nth-child(5) { animation-delay: -2s; }
.service-card--float:nth-child(6) { animation-delay: -5s; }

@keyframes card-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* Mobile: Open overlay by default */
@media (max-width: 767px) {
    .service-card__description {
        max-height: 500px;
        opacity: 1;
        margin-bottom: var(--space-md);
    }
    
    .service-card__link {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background-color: var(--color-surface);
}

.about__container {
    max-width: 700px;
    margin: 0 auto;
}

.about__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
}

.about__image-wrapper {
    width: 100%;
    max-width: 400px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance);
}

.about__image-wrapper.animate {
    opacity: 1;
    transform: translateY(0);
}

.about__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-border);
}

.about__text {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance);
    transition-delay: 200ms;
}

.about__text.animate {
    opacity: 1;
    transform: translateY(0);
}

.about__text p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

.about__values {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.about__values li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text-secondary);
}

.about__values li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.about__values strong {
    color: var(--color-text-primary);
    font-weight: var(--fw-semibold);
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    background-color: var(--color-background);
}

.gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance),
                box-shadow var(--duration-normal) var(--ease-standard);
}

.gallery__item.animate {
    opacity: 1;
    transform: scale(1);
}

.gallery__item:hover {
    transform: scale(1) translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery__item--hover-lift {
    transition: transform var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

.gallery__item--hover-lift:hover {
    transform: scale(1.02) translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.gallery__image {
    width: 100%;
    aspect-ratio: 816 / 1456;
    object-fit: cover;
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.gallery__item:hover .gallery__image {
    transform: scale(1.02);
}

.gallery__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-lg) var(--space-md);
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.8) 0%,
        transparent 100%
    );
    color: var(--color-surface);
    font-size: 0.875rem;
    font-weight: var(--fw-medium);
    transform: translateY(100%);
    opacity: 0;
    transition: transform var(--duration-normal) var(--ease-smooth),
                opacity var(--duration-normal) var(--ease-smooth);
}

.gallery__item:hover .gallery__caption {
    transform: translateY(0);
    opacity: 1;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: var(--z-lightbox);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-normal) var(--ease-smooth),
                visibility var(--duration-normal) var(--ease-smooth);
}

.lightbox[hidden] {
    display: none;
}

.lightbox.open {
    opacity: 1;
    visibility: visible;
    display: flex;
}

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-surface);
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color var(--duration-fast) var(--ease-standard);
}

.lightbox__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-surface);
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    transition: background-color var(--duration-fast) var(--ease-standard);
}

.lightbox__nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__nav--prev {
    left: var(--space-lg);
}

.lightbox__nav--next {
    right: var(--space-lg);
}

.lightbox__content {
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform: scale(0.9);
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.lightbox.open .lightbox__content {
    transform: scale(1);
}

.lightbox__image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox__caption {
    margin-top: var(--space-lg);
    color: var(--color-surface);
    font-size: 1rem;
    text-align: center;
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works {
    background-color: var(--color-surface);
}

/* Progress Bar */
.steps__progress {
    position: relative;
    height: 4px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
    display: none;
}

@media (min-width: 768px) {
    .steps__progress {
        display: block;
    }
}

.steps__progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    width: 25%;
    transition: width 400ms var(--ease-standard);
}

/* Step Tabs */
.steps__tabs {
    display: none;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .steps__tabs {
        display: flex;
    }
}

.steps__tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background-color: transparent;
    transition: all var(--duration-normal) var(--ease-smooth);
    border: 2px solid transparent;
}

.steps__tab:hover,
.steps__tab:focus {
    background-color: var(--color-background);
}

.steps__tab.active {
    background-color: var(--color-primary);
    color: var(--color-surface);
    transform: scale(1.05);
}

.steps__tab-number {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 0.875rem;
    opacity: 0.6;
    margin-bottom: var(--space-xs);
}

.steps__tab.active .steps__tab-number {
    opacity: 1;
}

.steps__tab-title {
    font-weight: var(--fw-semibold);
    font-size: 0.9375rem;
}

/* Step Panels */
.steps__panels {
    display: none;
}

@media (min-width: 768px) {
    .steps__panels {
        display: block;
    }
}

.steps__panel {
    display: none;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.steps__panel.active {
    display: block;
    opacity: 1;
}

.steps__panel-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .steps__panel-content {
        grid-template-columns: 1fr 1fr;
    }
}

.steps__panel-text h3 {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.5rem;
    line-height: var(--lh-heading);
    letter-spacing: var(--ls-heading);
    margin-bottom: var(--space-md);
}

.steps__panel-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.steps__checklist {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.steps__checklist li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
}

.steps__checklist li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    color: var(--color-surface);
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
}

.steps__panel-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Mobile Accordion */
.steps__accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

@media (min-width: 768px) {
    .steps__accordion {
        display: none;
    }
}

.accordion__item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.accordion__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-surface);
    text-align: left;
    transition: background-color var(--duration-fast) var(--ease-standard);
}

.accordion__trigger:hover,
.accordion__trigger:focus {
    background-color: var(--color-background);
}

.accordion__trigger.active {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.accordion__number {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 0.875rem;
    opacity: 0.6;
}

.accordion__trigger.active .accordion__number {
    opacity: 1;
}

.accordion__title {
    flex: 1;
    font-weight: var(--fw-semibold);
}

.accordion__icon {
    width: 24px;
    height: 24px;
    position: relative;
}

.accordion__icon::before,
.accordion__icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    background-color: currentColor;
    transform: translate(-50%, -50%);
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.accordion__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion__trigger.active .accordion__icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.accordion__panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-smooth);
}

.accordion__panel[hidden] {
    display: block;
}

.accordion__trigger.active + .accordion__panel {
    max-height: 1600px;
}

.accordion__content {
    padding: var(--space-lg);
}

.accordion__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.accordion__content img {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border-radius: var(--radius-md);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials {
    background-color: var(--color-background);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .testimonials__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .testimonials__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Testimonial Card */
.testimonial-card {
    background-color: var(--color-surface);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance),
                box-shadow var(--duration-normal) var(--ease-standard);
}

.testimonial-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.testimonial-card--glow:hover {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(68, 68, 68, 0.06);
    transform: translateY(-6px);
}

.testimonial-card__stars {
    font-size: 1.125rem;
    color: #FFC107;
    margin-bottom: var(--space-md);
}

.testimonial-card__quote {
    margin-bottom: var(--space-lg);
}

.testimonial-card__quote p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    position: relative;
}

.testimonial-card__quote p::before {
    content: '"';
    font-family: Georgia, serif;
    font-size: 3rem;
    color: var(--color-border);
    position: absolute;
    top: -1rem;
    left: -0.5rem;
    line-height: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-card__photo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-card__name {
    font-weight: var(--fw-semibold);
    font-style: normal;
    display: block;
    margin-bottom: var(--space-xs);
}

.testimonial-card__title {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ============================================
   TEAM SECTION
   ============================================ */
.team {
    background-color: var(--color-surface);
}

.team__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .team__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Team Card */
.team-card {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms var(--ease-entrance),
                transform 400ms var(--ease-entrance);
}

.team-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.team-card__photo-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-full);
    overflow: hidden;
}

@media (min-width: 768px) {
    .team-card__photo-wrapper {
        width: 180px;
        height: 180px;
    }
}

.team-card__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.team-card:hover .team-card__photo {
    transform: scale(1.05);
}

.team-card__social {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.team-card:hover .team-card__social {
    opacity: 1;
}

.team-card__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    transition: transform var(--duration-fast) var(--ease-standard),
                background-color var(--duration-fast) var(--ease-standard);
}

.team-card__social-link:hover {
    transform: scale(1.1);
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.team-card__name {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.125rem;
    line-height: var(--lh-heading);
    letter-spacing: var(--ls-heading);
    margin-bottom: var(--space-xs);
}

.team-card__position {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    background-color: var(--color-background);
}

.faq__list {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    text-align: left;
    font-weight: var(--fw-semibold);
    font-size: 1rem;
    transition: color var(--duration-fast) var(--ease-standard);
}

.faq__question:hover,
.faq__question:focus {
    color: var(--color-primary);
}

.faq__icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    position: relative;
}

.faq__icon::before,
.faq__icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    background-color: currentColor;
    transform: translate(-50%, -50%);
    transition: transform var(--duration-normal) var(--ease-smooth);
}

.faq__icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq__question[aria-expanded="true"] .faq__icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 300ms var(--ease-smooth);
}

.faq__answer[hidden] {
    display: block;
}

.faq__question[aria-expanded="true"] + .faq__answer {
    max-height: 1000px;
}

.faq__answer p {
    padding-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background-color: var(--color-surface);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Contact Form */
.contact__form {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms var(--ease-entrance),
                transform 400ms var(--ease-entrance);
}

.contact__form.animate {
    opacity: 1;
    transform: translateY(0);
}

.form__group {
    margin-bottom: var(--space-lg);
}

.form__label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: var(--fw-medium);
    font-size: 0.875rem;
}

.form__input {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-background);
    transition: border-color var(--duration-fast) var(--ease-standard),
                box-shadow var(--duration-fast) var(--ease-standard);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(68, 68, 68, 0.1);
}

.form__input::placeholder {
    color: var(--color-accent);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__submit {
    width: 100%;
}

@media (min-width: 480px) {
    .form__submit {
        width: auto;
    }
}

/* Contact Illustration */
.contact__illustration {
    display: none;
}

@media (min-width: 768px) {
    .contact__illustration {
        display: block;
    }
}

.contact__illustration img {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.contact__img-float {
    animation: img-float 5s ease-in-out infinite;
}

@keyframes img-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-surface);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer__column {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 400ms var(--ease-entrance),
                transform 400ms var(--ease-entrance);
}

.footer__column.animate {
    opacity: 1;
    transform: translateY(0);
}

.footer__logo {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1.5rem;
    letter-spacing: var(--ls-heading);
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer__about {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer__heading {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--duration-fast) var(--ease-standard);
}

.footer__links a:hover {
    color: var(--color-surface);
    text-decoration: underline;
}

.footer__contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer__contact svg {
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.7;
}

.footer__contact a {
    transition: color var(--duration-fast) var(--ease-standard);
}

.footer__contact a:hover {
    color: var(--color-surface);
    text-decoration: underline;
}

/* Footer Bottom */
.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer__copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm) var(--space-lg);
}

@media (min-width: 768px) {
    .footer__legal {
        justify-content: flex-end;
    }
}

.footer__legal a {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--duration-fast) var(--ease-standard);
}

.footer__legal a:hover {
    color: var(--color-surface);
    text-decoration: underline;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance);
}

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

/* Анимация появления заголовков секций */
.section__header .section__title,
.section__header .section__subtitle {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity var(--duration-slow) var(--ease-entrance),
                transform var(--duration-slow) var(--ease-entrance);
}

/* Лёгкое мерцание точек слайдера Hero */
.hero__dot {
    transition: transform var(--duration-normal) var(--ease-smooth),
                background-color var(--duration-fast),
                box-shadow var(--duration-normal);
}

.hero__dot.active {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

/* Section header animations */

.section__header .section__subtitle {
    transition-delay: 100ms;
}

.section__header.animate .section__title,
.section__header.animate .section__subtitle {
    opacity: 1;
    transform: translateY(0);
}

/* Всплытие снизу для заголовков */
.anim-float-up .section__title,
.anim-float-up .section__subtitle {
    transform: translateY(28px);
}
.anim-float-up.animate .section__title,
.anim-float-up.animate .section__subtitle {
    transform: translateY(0);
}

/* Всплытие слева/справа (для разнообразия) */
.anim-float-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--duration-slow) var(--ease-entrance), transform var(--duration-slow) var(--ease-entrance);
}
.anim-float-left.animate {
    opacity: 1;
    transform: translateX(0);
}
.anim-float-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--duration-slow) var(--ease-entrance), transform var(--duration-slow) var(--ease-entrance);
}
.anim-float-right.animate {
    opacity: 1;
    transform: translateX(0);
}

/* Гармошка FAQ — плавное раскрытие (иконка плюс/минус) */
.faq__icon::before,
.faq__icon::after {
    transition: transform var(--duration-normal) var(--ease-smooth);
}

/* ============================================
   PREFERS REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .hero__slide {
        transition: opacity var(--duration-normal) var(--ease-standard);
    }
    
    .hero__title,
    .hero__text {
        opacity: 1;
        transform: none;
    }
    
    .hero::before,
    .hero::after {
        animation: none;
    }
    
    .btn--pulse {
        animation: none;
    }
    
    .service-card--float {
        animation: none;
    }
    
    .contact__img-float {
        animation: none;
    }
    
    .hero--parallax .hero__bg--parallax {
        background-attachment: scroll;
    }
    
    .service-card--rotate-hover:hover,
    .service-card--rotate-hover:hover .service-card__icon--spin-hover {
        transform: none;
    }
    
    .about__image-wrapper,
    .about__text,
    .gallery__item,
    .testimonial-card,
    .team-card,
    .contact__form,
    .footer__column {
        opacity: 1;
        transform: none;
    }
    
    .service-card__bg {
        transform: none !important;
    }
}



@media(max-width:776px){}
.pt-cus h1,


.pt-cus p,
.pt-cus ul{padding-left:18px;}


.pt-cus a:hover{text-decoration:none;}


.pt-cus {padding:160px 70px 120px;background:#ffffff;color:#222;border-top:4px solid #222;}
@media(max-width:776px){.pt-cus{padding:100px 25px 80px;border-top-width:3px;}}
.pt-cus h1,.pt-cus h2{font-family:Georgia,serif;color:#111;}
.pt-cus h1{font-size:3.1rem;font-weight:400;margin-bottom:48px;}
.pt-cus h2{font-size:2.1rem;font-weight:400;margin:56px 0 20px;}
.pt-cus p,.pt-cus li{font-family:'Source Sans Pro',sans-serif;font-size:1.15rem;line-height:1.8;color:#333;}
.pt-cus ul{list-style:none;padding-left:0;}
.pt-cus li{padding-left:24px;position:relative;margin-bottom:10px;}
.pt-cus li::before{content:'›';position:absolute;left:0;color:#555;font-weight:bold;}
.pt-cus a{color:#000;text-decoration:none;border-bottom:1px solid #aaa;transition:.2s;}
.pt-cus a:hover{border-color:#000;}