:root {
    --color-graphite: #242324;
    --color-beige: #C0B0A0;
    --color-white: #FFFFFF;
    --color-green: #697B61;
    --font-main: 'Montserrat', sans-serif;
    --font-accent: 'Russo One', sans-serif;
    --container: 1280px;
    --container-padding: clamp(16px, 4vw, 40px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--color-graphite);
}

/* ===== CONTAINER ===== */
.container {
    max-width: calc(var(--container) + var(--container-padding) * 2);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ===== HEADER ===== */
.site-header {
    background: var(--color-white);
    border-bottom: 1px solid #e8e8e8;
    position: relative;
    z-index: 100;
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: calc(var(--container) + var(--container-padding) * 2);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 72px;
    gap: 16px;
    width: 100%;
}

/* Logo */
.header-logo {
    flex-shrink: 0;
}

.header-logo img {
    height: 44px;
    width: auto;
}

/* Navigation */
.header-nav {
    display: flex;
    align-items: center;
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 2px;
}

.header-nav a {
    display: block;
    padding: 8px clamp(8px, 1vw, 14px);
    font-family: var(--font-main);
    font-size: clamp(12px, 0.9vw, 14px);
    font-weight: 500;
    color: var(--color-graphite);
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.header-nav a:hover {
    background: var(--color-beige);
    color: var(--color-graphite);
}

/* Right side: phone + messengers + CTA */
.header-right {
    display: flex;
    align-items: center;
    gap: clamp(8px, 1vw, 16px);
    flex-shrink: 0;
}

.header-phone {
    display: flex;
    align-items: center;
}

.header-phone a {
    font-family: var(--font-main);
    font-size: clamp(13px, 0.9vw, 15px);
    font-weight: 600;
    color: var(--color-graphite);
    text-decoration: none;
    white-space: nowrap;
}

.header-phone a:hover {
    color: var(--color-green);
}

/* Messengers */
.header-messengers {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-messengers a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #f2f2f2;
    transition: background 0.2s;
}

.header-messengers a:hover {
    background: var(--color-beige);
}

.header-messengers svg {
    width: 18px;
    height: 18px;
    fill: var(--color-graphite);
}

/* CTA Button */
.header-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px clamp(16px, 1.5vw, 24px);
    background: var(--color-green);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
}

.header-cta:hover {
    background: #5a6b53;
}

.header-cta:active {
    transform: scale(0.98);
}

/* ===== STICKY BAR ===== */
.sticky-bar {
    position: fixed;
    top: -60px;
    left: 0;
    right: 0;
    z-index: 999;
    background: var(--color-graphite);
    transition: top 0.3s ease;
}

.sticky-bar.is-visible {
    top: 0;
}

.sticky-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: calc(var(--container) + var(--container-padding) * 2);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 52px;
    width: 100%;
}

.sticky-bar-logo {
    flex-shrink: 0;
}

.sticky-bar-logo img {
    height: 28px;
    width: auto;
    filter: brightness(0) invert(1);
}

.sticky-bar-text {
    font-family: var(--font-accent);
    font-size: clamp(12px, 1vw, 15px);
    color: var(--color-white);
    letter-spacing: 0.02em;
}

.sticky-bar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.sticky-bar-phone a {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-white);
    text-decoration: none;
    white-space: nowrap;
}

.sticky-bar-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--color-green);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.sticky-bar-cta:hover {
    background: #5a6b53;
}

/* Sticky burger — hidden by default, shown on mobile */
.sticky-bar-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    padding: 8px;
    transition: background 0.2s;
}

.sticky-bar-burger:active {
    background: rgba(255, 255, 255, 0.2);
}

.sticky-bar-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
}

/* ===== BURGER (mobile) ===== */
.header-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.header-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-graphite);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(36, 35, 36, 0.6);
    z-index: 998;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.mobile-menu-overlay.is-open {
    display: block;
    animation: fadeIn 0.3s ease;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: var(--color-graphite);
    z-index: 999;
    overflow-y: auto;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.mobile-menu.is-open {
    right: 0;
}

/* Header row: logo + close */
.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    flex-shrink: 0;
}

.mobile-menu-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s;
}

.mobile-menu-close:active {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-white);
}

/* Nav links */
.mobile-menu-nav {
    flex: 1;
    padding: 16px 24px 0;
}

.mobile-menu-nav ul {
    list-style: none;
}

.mobile-menu-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    font-family: var(--font-main);
    font-size: 18px;
    font-weight: 500;
    color: var(--color-white);
    text-decoration: none;
    transition: color 0.2s;
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a:active {
    color: var(--color-beige);
}

/* Bottom section */
.mobile-menu-bottom {
    flex-shrink: 0;
    padding: 24px;
    margin-top: auto;
}

.mobile-menu-cta {
    display: block;
    text-align: center;
    padding: 16px 24px;
    background: var(--color-green);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: background 0.2s;
}

.mobile-menu-cta:active {
    background: #5a6b53;
}

/* Contacts block */
.mobile-menu-contacts {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-menu-phone {
    font-family: var(--font-main);
    font-size: 17px;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
}

.mobile-menu-messengers {
    display: flex;
    gap: 10px;
}

.mobile-menu-messengers a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    padding: 0;
    transition: background 0.2s;
}

.mobile-menu-messengers a:active {
    background: rgba(255, 255, 255, 0.2);
}

.mobile-menu-messengers svg {
    width: 20px;
    height: 20px;
    fill: var(--color-white);
}

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

/* ===== RESPONSIVE ===== */

/* 1920px (Full HD) — default styles, max comfort */

/* 1536px — Windows laptop 125% scaling */
@media (max-width: 1536px) {
    .header-main {
        height: 68px;
    }
}

/* 1366px — budget laptops */
@media (max-width: 1366px) {
    .header-main {
        height: 64px;
    }

    .header-logo img {
        height: 40px;
    }
}

/* 1024px — tablet landscape, iPad Pro */
@media (max-width: 1024px) {
    .header-phone {
        display: none;
    }

    .header-main {
        height: 60px;
    }
}

/* 768px — tablet portrait, iPad */
@media (max-width: 768px) {
    .header-nav,
    .header-phone,
    .header-messengers {
        display: none;
    }

    .header-burger {
        display: flex;
    }

    .header-main {
        height: 56px;
    }

    .header-logo img {
        height: 36px;
    }

    .sticky-bar-phone {
        display: none;
    }

    .sticky-bar-burger {
        display: flex;
    }
}

/* 390px — iPhone 14/15, common mobile */
@media (max-width: 390px) {
    .header-main {
        height: 52px;
    }

    .header-logo img {
        height: 32px;
    }

    .header-cta {
        padding: 8px 14px;
        font-size: 12px;
    }

    .sticky-bar-inner {
        height: 44px;
    }

    .sticky-bar-cta {
        padding: 6px 12px;
        font-size: 12px;
    }

    .mobile-menu-header {
        padding: 12px 16px;
    }

    .mobile-menu-nav {
        padding: 12px 16px 0;
    }

    .mobile-menu-bottom {
        padding: 20px 16px;
    }
}

/* 360px — small Android phones */
@media (max-width: 360px) {
    .header-logo img {
        height: 28px;
    }

    .header-cta {
        padding: 7px 12px;
        font-size: 11px;
    }
}

/* ===== PAGE CONTENT (stub pages) ===== */
.page-content {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(48px, 8vw, 120px) 0;
}

.page-content-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.page-content-title {
    font-family: var(--font-accent);
    font-size: clamp(28px, 4vw, 48px);
    color: var(--color-graphite);
    text-transform: uppercase;
    margin: 0 0 24px;
}

.page-content-body {
    font-family: var(--font-main);
    font-size: clamp(15px, 1.2vw, 18px);
    color: rgba(36, 35, 36, 0.6);
    line-height: 1.7;
}

.page-content-body p {
    margin: 0 0 16px;
}

/* 404 Page */
.page-404 {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background: #f8f6f3;
}

.page-404-inner {
    max-width: 520px;
}

.page-404-code {
    font-family: var(--font-accent);
    font-size: clamp(100px, 15vw, 180px);
    font-weight: 700;
    color: var(--color-beige);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.5;
}

.page-404-title {
    font-family: var(--font-accent);
    font-size: clamp(24px, 3vw, 36px);
    color: var(--color-graphite);
    text-transform: uppercase;
    margin: 0 0 12px;
}

.page-404-desc {
    font-family: var(--font-main);
    font-size: 15px;
    color: #888;
    line-height: 1.6;
    margin: 0 0 32px;
}

.page-404-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-404-btn {
    padding: 14px 32px;
    background: var(--color-graphite);
    color: var(--color-white);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 10px;
    transition: background 0.3s;
}

.page-404-btn:hover {
    background: var(--color-green);
}

.page-404-btn--outline {
    background: none;
    color: var(--color-graphite);
    border: 1px solid #ddd;
}

.page-404-btn--outline:hover {
    background: var(--color-graphite);
    color: var(--color-white);
    border-color: var(--color-graphite);
}

/* Catalog Page */
.catalog-page {
    padding: clamp(48px, 6vw, 80px) 0;
    background: #f8f6f3;
    min-height: 60vh;
}

.catalog-page-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 40px);
}

.catalog-page-title {
    font-family: var(--font-accent);
    font-size: clamp(32px, 4vw, 48px);
    color: var(--color-graphite);
    text-transform: uppercase;
    margin: 0 0 8px;
}

.catalog-page-desc {
    font-family: var(--font-main);
    font-size: 16px;
    color: #888;
    margin: 0 0 clamp(32px, 4vw, 48px);
}

.catalog-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 24px;
}

.catalog-line-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.catalog-line-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.catalog-line-img {
    aspect-ratio: 16/9;
    background: #eceae6;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalog-line-placeholder {
    color: #ccc;
}

.catalog-line-body {
    padding: 24px;
}

.catalog-line-label {
    font-family: var(--font-main);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-green);
    margin-bottom: 6px;
}

.catalog-line-name {
    font-family: var(--font-accent);
    font-size: 20px;
    color: var(--color-graphite);
    text-transform: uppercase;
    margin: 0 0 8px;
    line-height: 1.2;
}

.catalog-line-slogan {
    font-family: var(--font-main);
    font-size: 14px;
    color: #888;
    line-height: 1.5;
    margin: 0 0 16px;
}

.catalog-line-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.catalog-line-count {
    font-family: var(--font-main);
    font-size: 13px;
    color: #999;
}

.catalog-line-arrow {
    color: var(--color-graphite);
    transition: transform 0.3s;
}

.catalog-line-card:hover .catalog-line-arrow {
    transform: translateX(4px);
}

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