/* ============================================
   Минималистичный сайт фотографа — тёмная тема
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #1a1a1a;
    --color-text: #f5f5f5;
    --color-text-secondary: #999999;
    --color-accent: #c9a96e;
    --color-accent-hover: #d4b87a;
    --color-border: #2a2a2a;
    --color-overlay: rgba(0, 0, 0, 0.85);
    --color-photo-bg: #ffffff;
    --color-photo-pad: 12px;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;

    --container-width: 1200px;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: 300;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

.section__title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: 16px;
    color: var(--color-text);
}

.section__subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 60px;
    font-weight: 300;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.82);
    box-shadow: 0 1px 0 var(--color-border);
    transition: background var(--transition), box-shadow var(--transition);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--color-text);
}

.header__logo-icon {
    color: var(--color-accent);
    font-size: 1.2rem;
}

.header__nav {
    display: flex;
    gap: 32px;
}

.header__nav-link {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}

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

.header__nav-link:hover::after {
    width: 100%;
}

/* Dropdown (категории) */
.header__nav-item {
    position: relative;
}

.has-dropdown > .header__nav-link {
    display: inline-block;
}

.header__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-top: 2px solid var(--color-accent);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: 120;
}

.header__nav-item:hover .header__dropdown,
.header__nav-item:focus-within .header__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.header__dropdown-link {
    display: block;
    padding: 8px 20px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    white-space: nowrap;
    transition: color var(--transition), background var(--transition);
}

.header__dropdown-link:hover {
    color: var(--color-accent);
    background: var(--color-bg-card);
}

/* Burger */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.header__burger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

.header__burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.header__burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

/* Фоновое изображение на весь экран */
.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
    transform: scale(1);
    animation: heroZoom 18s ease-in-out infinite alternate;
    will-change: transform;
}

@keyframes heroZoom {
    from { transform: scale(1); }
    to   { transform: scale(1.08); }
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(10, 10, 10, 0.5) 0%, rgba(10, 10, 10, 0.85) 100%);
    z-index: 1;
}

.hero__inner {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.hero__title {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 20px;
    line-height: 1.2;
    color: var(--color-text);
    animation: fadeInUp 1s ease forwards;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: #d5d5d5;
    margin-bottom: 40px;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.hero__btn {
    display: inline-block;
    padding: 14px 40px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background var(--transition), color var(--transition);
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

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

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeIn 1s ease 1s forwards;
    opacity: 0;
}

.hero__scroll-text {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

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

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

.gallery__item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    /* Белая подложка-рамка: заполняет пустоты, когда фото не квадратное */
    background: var(--color-photo-bg);
    padding: var(--color-photo-pad);
}

.gallery__img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* миниатюра помещается целиком в квадрат */
    transition: transform var(--transition-slow);
}

.gallery__item:hover .gallery__img {
    transform: scale(1.05);
}

.gallery__item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery__item:hover .gallery__item-overlay {
    opacity: 1;
}

.gallery__item-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 4px;
}

.gallery__item-cat {
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.gallery__empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-secondary);
    border: 1px dashed var(--color-border);
    border-radius: 4px;
}

/* Индикатор бесконечной прокрутки */
.gallery__load {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0 10px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.gallery__load.is-loading {
    opacity: 1;
}

.gallery__load--done {
    display: none;
}

.gallery__spinner {
    width: 26px;
    height: 26px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: gallerySpin 0.8s linear infinite;
}

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

/* Служебный класс: скрыть визуально, оставить для скринридеров */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   CATEGORY PAGE
   ============================================ */
.category-hero {
    padding: calc(var(--header-height) + 80px) 0 60px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.category-hero__title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 12px;
}

.category-hero__subtitle {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    font-weight: 300;
    margin-bottom: 28px;
}

.category-hero__back {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}

.category-hero__back:hover {
    color: var(--color-accent-hover);
    border-color: var(--color-accent);
}

.category-gallery {
    padding-top: 60px;
}

/* ============================================
   ABOUT
   ============================================ */
.about__inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.about__photo {
    flex: 0 0 300px;
    position: sticky;
    top: calc(var(--header-height) + 40px);
}

.about__content {
    flex: 1 1 auto;
    min-width: 0;
}

.about__img {
    width: 100%;
    border-radius: 4px;
    filter: grayscale(30%);
    transition: filter var(--transition);
}

.about__img:hover {
    filter: grayscale(0%);
}

.about__content p {
    margin-bottom: 20px;
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about__content p:first-child {
    color: var(--color-text);
    font-size: 1.15rem;
}

/* ============================================
   CONTACTS
   ============================================ */
.contacts {
    background: var(--color-bg-alt);
}

.contacts__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.contacts__item {
    text-align: center;
    padding: 40px 20px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: border-color var(--transition), transform var(--transition);
}

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

.contacts__icon {
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.contacts__icon svg {
    width: 2rem;
    height: 2rem;
}

.contacts__label {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 8px;
    color: var(--color-text);
}

.contacts__value {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

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

.contacts__social {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.contacts__social-link {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 4px;
}

.contacts__social-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}

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

.contacts__social-link:hover::after {
    width: 100%;
}

/* ============================================
   FEEDBACK FORM
   ============================================ */
.feedback {
    margin-top: 60px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.feedback__head {
    text-align: center;
    margin-bottom: 30px;
}

.feedback__title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 10px;
}

.feedback__subtitle {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.feedback__status {
    padding: 14px 18px;
    margin-bottom: 24px;
    border-radius: 4px;
    font-size: 0.95rem;
    border: 1px solid transparent;
}

.feedback__status--success {
    color: #8fd19a;
    border-color: rgba(143, 209, 154, 0.35);
    background: rgba(143, 209, 154, 0.08);
}

.feedback__status--error {
    color: #e08585;
    border-color: rgba(224, 133, 133, 0.35);
    background: rgba(224, 133, 133, 0.08);
}

.feedback__form {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.feedback__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feedback__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feedback__label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
}

.feedback__input,
.feedback__textarea {
    width: 100%;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 12px 14px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.feedback__input::placeholder,
.feedback__textarea::placeholder {
    color: #666;
}

.feedback__input:focus,
.feedback__textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.feedback__textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.feedback__input.is-invalid,
.feedback__textarea.is-invalid {
    border-color: #e08585;
    box-shadow: 0 0 0 1px #e08585;
}

.feedback__btn {
    align-self: flex-start;
    padding: 13px 32px;
    background: var(--color-accent);
    color: var(--color-bg);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

.feedback__btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Скрытое поле-ловушка (honeypot) для ботов */
.feedback__honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
}

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

.footer__copy {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.footer__made {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--color-overlay);
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    cursor: default;
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition);
    z-index: 1;
}

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

.lightbox__info {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text);
    max-width: 600px;
}

.lightbox__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 8px;
}

.lightbox__desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.lightbox__prev,
.lightbox__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
    padding: 20px;
    transition: color var(--transition);
    z-index: 1;
}

.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }

.lightbox__prev:hover,
.lightbox__next:hover {
    color: var(--color-accent);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

    .about__inner {
        flex-direction: column;
        gap: 40px;
    }

    .about__photo {
        position: static;
        flex: 0 0 auto;
        max-width: 250px;
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .section__title {
        font-size: 2rem;
    }

    .section__subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    /* Header */
    .header__nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 30px 20px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform var(--transition), opacity var(--transition);
        pointer-events: none;
    }

    .header__nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .header__burger {
        display: flex;
    }

    /* Dropdown → статичный список в мобильном меню */
    .header__nav-item {
        width: 100%;
        text-align: center;
    }

    .header__dropdown {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        background: none;
        border: none;
        border-top: 1px solid var(--color-border);
        margin-top: 12px;
        padding: 12px 0 0;
        min-width: 0;
        width: 100%;
    }

    .header__dropdown-link {
        text-align: center;
        padding: 8px 0;
    }

    /* Hero */
    .hero__title {
        font-size: 2.5rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    /* Gallery */
    .gallery__grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Contacts */
    .contacts__grid {
        grid-template-columns: 1fr;
    }

    /* Feedback */
    .feedback__row {
        grid-template-columns: 1fr;
    }

    .feedback__btn {
        align-self: stretch;
        text-align: center;
    }

    /* Footer */
    .footer__inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    /* Lightbox */
    .lightbox__prev,
    .lightbox__next {
        font-size: 2rem;
        padding: 10px;
    }

    .lightbox__prev { left: 10px; }
    .lightbox__next { right: 10px; }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }

    .hero__btn {
        padding: 12px 30px;
        font-size: 0.8rem;
    }
}