/* ============================================
   VARIABLES & RESET
   ============================================ */
:root {
    --color-primary: #4C86F5;
    --color-primary-dark: #3A6FE0;
    --color-text: #14151A;
    --color-text-light: #85888F;
    --color-page: #F5F5F7;
    --color-card: #EFEFF1;
    --color-surface: #FFFFFF;
    --color-border: #E4E4E7;
    --color-dark: #14151A;

    --font-family-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-base: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 72px;

    --transition: all 0.3s ease;
    --border-radius: 10px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
}

@font-face {
    font-family: 'Manrope';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url('asset/fonts/manrope-variable.woff2') format('woff2');
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-page);
    line-height: 1.5;
    font-size: var(--font-size-base);
}

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

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

.text-muted {
    color: var(--color-text-light);
}

.section-title {
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: 32px;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 44px;
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 56px;
    }
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    background: var(--color-page);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) 0;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    text-decoration: none;
    white-space: nowrap;
}

.logo svg {
    color: var(--color-text);
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.logo__dot {
    font-style: normal;
    color: #E8632C;
}

.logo span {
    line-height: 1.15;
    font-size: 14px;
}

.logo--white {
    color: white;
}

.logo--white svg {
    color: white;
}

/* Navigation */
.nav {
    display: none;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .nav {
        display: flex;
        flex: 1;
        justify-content: center;
    }
}

.nav__link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

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

/* Header actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Mobile Menu Button */
.menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 101;
}

@media (min-width: 900px) {
    .menu-btn {
        display: none;
    }
}

.menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 1px;
}

.menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 0;
    z-index: 100;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu__link {
    padding: var(--spacing-md) var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    font-weight: 500;
    transition: var(--transition);
}

.mobile-menu__link:hover {
    background-color: var(--color-card);
    color: var(--color-primary);
}

.mobile-menu__link--cta {
    background-color: var(--color-primary);
    color: white;
    font-weight: 700;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-family: var(--font-family-base);
}

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

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

.btn--sm {
    padding: 10px 20px;
}

.btn--dark {
    background-color: var(--color-dark);
    color: white;
    padding: 20px 40px;
    font-size: var(--font-size-base);
    white-space: nowrap;
}

.btn--dark:hover {
    background-color: #000;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: var(--spacing-xl) 0 0;
}

.hero__title {
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: 40px;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--color-text);
    max-width: 900px;
}

@media (min-width: 768px) {
    .hero__title {
        font-size: 64px;
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: 84px;
    }
}

.hero__subtitle {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-lg);
    line-height: 1.6;
    max-width: 640px;
}

.hero__image {
    margin-top: var(--spacing-2xl);
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.hero__image img {
    display: block;
    width: 100%;
    height: auto;
}

.hero__place,
.hero__coords {
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

@media (min-width: 640px) {
    .hero__place,
    .hero__coords {
        position: absolute;
        margin-top: 0;
        bottom: var(--spacing-lg);
        font-size: var(--font-size-sm);
    }

    .hero__place {
        left: var(--spacing-lg);
    }

    .hero__coords {
        right: var(--spacing-lg);
    }
}

/* ============================================
   LOCATION / WHY SECTION
   ============================================ */
.location {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

/* Why block */
.why {
    background: var(--color-card);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-lg);
}

@media (min-width: 768px) {
    .why {
        padding: var(--spacing-2xl);
    }
}

.why__header {
    display: none;
    justify-content: space-between;
    font-weight: 600;
    color: var(--color-text);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

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

    .why__header span {
        flex: 1;
    }
}

.why__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.why__row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

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

.why__item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

@media (min-width: 640px) {
    .why__item {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--spacing-xl);
    }
}

.why__item h3 {
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: 24px;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.why__item p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

@media (min-width: 640px) {
    .why__item p {
        text-align: right;
    }
}

.why__image {
    border-radius: var(--border-radius);
    overflow: hidden;
    min-height: 200px;
}

.why__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.stats__grid {
    margin-top: var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

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

.stats__visual {
    background: var(--color-card);
    border-radius: var(--border-radius-lg);
    min-height: 240px;
    position: relative;
    z-index: 0;
    overflow: hidden;
}

@media (min-width: 768px) {
    .stats__visual {
        min-height: 100%;
    }
}

.stats__visual .leaflet-control-attribution {
    font-size: 10px;
}

.stats__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-row {
    background: var(--color-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
}

.stat-row__label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.stat-row__value {
    display: block;
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: var(--font-size-2xl);
    letter-spacing: -0.01em;
}

.stats__disclaimer {
    margin-top: var(--spacing-lg);
    text-align: right;
    font-size: 13px;
    color: var(--color-text-light);
    max-width: 480px;
    margin-left: auto;
}

/* ============================================
   FLEXIBLE MODELS SECTION
   ============================================ */
.models {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.models__subtitle {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-lg);
    line-height: 1.6;
    max-width: 700px;
}

.models__grid {
    margin-top: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 900px) {
    .models__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.model-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    min-height: 260px;
}

.model-card h3 {
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: var(--font-size-xl);
    letter-spacing: -0.01em;
}

.model-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-top: auto;
}

.model-card--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.model-card--active p {
    color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    padding: var(--spacing-xl) 0 0;
}

.cta__top {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: space-between;
    background: var(--color-card);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    padding: var(--spacing-2xl) var(--spacing-xl) 0;
}

@media (min-width: 768px) {
    .cta__top {
        flex-direction: row;
        align-items: flex-start;
    }
}

.cta__title {
    font-family: var(--font-family-heading);
    font-weight: 800;
    font-size: 40px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .cta__title {
        font-size: 56px;
    }
}

.cta__note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    max-width: 220px;
}

.cta__row {
    background: var(--color-card);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
}

@media (min-width: 768px) {
    .cta__row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.cta__text {
    color: var(--color-text-light);
    max-width: 460px;
    line-height: 1.6;
}

.cta__decor {
    background: var(--color-card);
    overflow: hidden;
    line-height: 0;
    height: 180px;
}

@media (min-width: 768px) {
    .cta__decor {
        height: 280px;
    }
}

@media (min-width: 1024px) {
    .cta__decor {
        height: 360px;
    }
}

.cta__decor img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: bottom;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: white;
    margin-top: var(--spacing-md);
}

.footer__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
    .footer__content {
        flex-direction: row;
        align-items: center;
    }
}

.footer__rights {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   ACCESSIBILITY / MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 640px) {
    .btn {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav__link,
    .mobile-menu__link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}