/* ============================================
   Аккум92 — Стили
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #d81b1b;
    --color-primary-dark: #b71c1c;
    --color-primary-light: #ef5350;
    --color-dark: #1a1c1e;
    --color-dark-light: #2d2f31;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;

    --font-family:
        "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md:
        0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg:
        0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl:
        0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    --container-max: 1200px;
    --container-padding: var(--space-6);
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

address {
    font-style: normal;
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: var(--line-height-tight);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.btn--light {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn--light:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-100);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

/* ============================================
   Header
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    width: auto;
    height: 32px;
}

.header__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    flex: 1;
    align-items: flex-end;
}

.header__contacts {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.header__phone,
.header__address,
.header__hours {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.header__phone {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-base);
}

.header__phone:hover {
    color: var(--color-primary-dark);
}

.header__phone .icon,
.header__address .icon,
.header__hours .icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================================
   Hero
   ============================================ */
.hero {
    position: relative;
    background: linear-gradient(
        135deg,
        var(--color-dark) 0%,
        var(--color-dark-light) 100%
    );
    color: var(--color-white);
    padding: var(--space-24) 0;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero__content {
    position: relative;
    max-width: 800px;
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: var(--color-gray-300);
    margin-bottom: var(--space-8);
    max-width: 640px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4) var(--space-8);
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-base);
    color: var(--color-gray-300);
}

.icon--check {
    width: 20px;
    height: 20px;
    color: #22c55e;
    flex-shrink: 0;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--space-20) 0;
}

.section--dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.section--accent {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-16) 0;
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-12);
    color: var(--color-gray-900);
    line-height: var(--line-height-tight);
}

.section__title--light {
    color: var(--color-white);
}

/* ============================================
   Categories
   ============================================ */
.categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.category {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background-color: var(--color-dark-light);
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.category:hover {
    background-color: var(--color-gray-700);
    border-color: rgba(255, 255, 255, 0.2);
}

.category__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    flex-shrink: 0;
}

.category__icon svg {
    width: 20px;
    height: 20px;
}

.category__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    white-space: nowrap;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

.cta__content {
    flex: 1;
}

.cta__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    line-height: var(--line-height-tight);
}

.cta__text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
}

/* ============================================
   Contacts
   ============================================ */
.contacts {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-8);
    align-items: start;
}

.contacts__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contacts__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.contacts__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    flex-shrink: 0;
}

.contacts__icon svg {
    width: 22px;
    height: 22px;
}

.contacts__detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding-top: var(--space-1);
}

.contacts__detail strong {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contacts__detail span,
.contacts__detail a {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-900);
}

.contacts__detail a:hover {
    color: var(--color-primary);
}

.contacts__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.contacts__map {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    min-height: 400px;
    background-color: var(--color-gray-200);
}

.contacts__map iframe {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 400px;
    border: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .contacts {
        grid-template-columns: 1fr;
    }

    .contacts__map {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-4);
        --font-size-5xl: 2rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }

    .header__inner {
        justify-content: center;
    }

    .header__info,
    .header__cta {
        display: none;
    }

    .logo {
        margin: 0 auto;
    }

    .hero {
        padding: var(--space-16) 0;
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

    .hero__subtitle {
        font-size: var(--font-size-lg);
    }

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

    .cta {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__actions {
        flex-direction: column;
    }

    .btn--large {
        width: 100%;
    }

    .contacts__actions {
        flex-direction: column;
    }

    .contacts__actions .btn {
        width: 100%;
    }

    .header__info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }

    .header__address {
        display: none;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@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;
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .hero__actions,
    .contacts__map,
    .btn {
        display: none !important;
    }

    .hero {
        background: none;
        color: black;
        padding: 2rem 0;
    }

    .section {
        padding: 2rem 0;
    }
}