/* ================================================
   DESIGN SYSTEM - MODERN WARM THEME
   Цветовая схема: Тёплый жёлто-оранжевый градиент
   ================================================ */

:root {
    /* Primary - Warm Yellow/Amber */
    --color-primary: #F59E0B;
    --color-primary-hover: #D97706;
    --color-primary-light: #FEF3C7;
    --color-primary-gradient: linear-gradient(135deg, #FBBF24 0%, #F59E0B 50%, #D97706 100%);
    
    /* Secondary - Emerald */
    --color-secondary: #10B981;
    --color-secondary-hover: #059669;
    
    /* Neutrals */
    --color-dark: #0F172A;
    --color-text: #334155;
    --color-muted: #64748B;
    --color-border: #E2E8F0;
    --color-bg: #F8FAFC;
    --color-bg-alt: #F1F5F9;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes - Fluid */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 0.9375rem);
    --text-base: clamp(1rem, 0.925rem + 0.375vw, 1.0625rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.25rem);
    --text-5xl: clamp(3rem, 2.25rem + 3.75vw, 4.5rem);
    
    /* Spacing */
    --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;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.03), 0 1px 3px 0 rgb(0 0 0 / 0.06);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.03);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
    --shadow-glow: 0 0 40px -10px var(--color-primary);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index */
    --z-dropdown: 50;
    --z-sticky: 90;
    --z-header: 100;
    --z-overlay: 150;
    --z-modal: 200;
    --z-toast: 250;
    --z-cookie: 300;

    /* Scroll lock compensation */
    --scrollbar-compensation: 0px;
}

/* ================================================
   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-primary);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll {
    overflow: hidden;
    padding-right: var(--scrollbar-compensation);
}

body.no-scroll .header,
body.no-scroll .mobile-menu,
body.no-scroll .cookie-banner,
body.no-scroll .sticky-cta {
    right: var(--scrollbar-compensation);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ================================================
   UTILITIES
   ================================================ */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

@media (min-width: 768px) { .container { padding: 0 var(--space-8); } }
@media (min-width: 1024px) { .container { padding: 0 var(--space-10); } }

.section { padding: var(--space-16) 0; }
@media (min-width: 768px) { .section { padding: var(--space-20) 0; } }
@media (min-width: 1024px) { .section { padding: var(--space-24) 0; } }

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-12);
}

@media (min-width: 768px) { .section-header { margin-bottom: var(--space-16); } }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary-hover);
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-muted);
    line-height: 1.65;
}

.text-gradient {
    background: var(--color-primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================================
   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(--text-base);
    font-weight: 600;
    line-height: 1.25;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn--primary {
    background: var(--color-primary-gradient);
    color: #FFFFFF;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
    filter: brightness(1.05);
}

.btn--primary:active { 
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.btn--primary:disabled {
    background: var(--color-border);
    color: var(--color-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn--secondary {
    background-color: var(--color-white);
    color: var(--color-dark);
    border: 2px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-bg);
    border-color: var(--color-muted);
}

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

.btn--dark:hover {
    background: #1E293B;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 2px solid transparent;
}

.btn--ghost:hover { background: var(--color-bg-alt); }

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

.btn--small {
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
}

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

.btn svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.btn:hover svg { transform: translateX(2px); }

/* ================================================
   HEADER
   ================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: all var(--transition-slow);
}

.header--scrolled { box-shadow: var(--shadow-md); }
.header--hidden { transform: translateY(-100%); }

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

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

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-dark);
}

.header__logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-md);
    color: var(--color-dark);
}

.header__nav {
    display: none;
    gap: var(--space-1);
}

@media (min-width: 1024px) { .header__nav { display: flex; } }

.header__link {
    padding: var(--space-2) var(--space-4);
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.header__link:hover {
    color: var(--color-dark);
    background: var(--color-bg-alt);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

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

.header__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.header__burger:hover { background: var(--color-bg-alt); }

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

.header__burger-line {
    width: 20px;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.header__burger-line:nth-child(2) { margin: 5px 0; }

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.header__burger[aria-expanded="true"] .header__burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ================================================
   MOBILE MENU
   ================================================ */

.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-overlay);
    background: var(--color-white);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-slow);
}

.mobile-menu[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-dark);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
}

.mobile-menu__link:hover { background: var(--color-bg-alt); }

.mobile-menu__cta {
    margin-top: auto;
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* ================================================
   HERO SECTION
   ================================================ */

.hero {
    position: relative;
    padding: calc(64px + var(--space-12)) 0 var(--space-16);
    overflow: hidden;
    background: var(--color-white);
}

@media (min-width: 768px) {
    .hero { padding: calc(72px + var(--space-16)) 0 var(--space-20); }
}

@media (min-width: 1024px) {
    .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding: calc(72px + var(--space-8)) 0 var(--space-8);
    }
}

.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero__orb--1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary-light);
    top: -200px;
    right: -100px;
}

.hero__orb--2 {
    width: 400px;
    height: 400px;
    background: #FEF3C7;
    bottom: -100px;
    left: -100px;
}

.hero__container {
    position: relative;
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.hero__content { text-align: center; }
@media (min-width: 1024px) { .hero__content { text-align: left; } }

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) { .hero__title { font-size: var(--text-5xl); } }

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-muted);
    margin-bottom: var(--space-8);
    max-width: 560px;
    line-height: 1.65;
}

@media (min-width: 1024px) { .hero__subtitle { font-size: var(--text-xl); } }
@media (max-width: 1023px) { .hero__subtitle { margin-left: auto; margin-right: auto; } }

.hero__cta-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
    .hero__cta-group {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) { .hero__cta-group { justify-content: flex-start; } }

.hero__stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
    .hero__stats {
        justify-content: flex-start;
        gap: var(--space-12);
    }
}

.hero__stat { text-align: center; }
@media (min-width: 1024px) { .hero__stat { text-align: left; } }

.hero__stat-value {
    display: block;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.hero__stat-label {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.hero__visual { position: relative; }

.hero__image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.hero__image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.hero__image {
    width: 100%;
    height: auto;
    aspect-ratio: 3/4;
    object-fit: cover;
    background: var(--color-bg-alt);
}

.hero__image--courier {
    background-image:
        linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%),
        url('../images/hero-courier.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero__float-card {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    box-shadow: var(--shadow-xl);
    display: none;
}

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

.hero__float-card--1 {
    bottom: var(--space-8);
    left: calc(-1 * var(--space-8));
    gap: var(--space-3);
    align-items: center;
}

.hero__float-card--2 {
    top: var(--space-8);
    right: calc(-1 * var(--space-6));
    flex-direction: column;
    gap: var(--space-2);
}

.hero__float-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    color: var(--color-primary-hover);
}

.hero__float-text {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.hero__float-value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-dark);
}

/* ================================================
   BENEFITS SECTION
   ================================================ */

.benefits { background: var(--color-bg); }

.benefits__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 640px) { .benefits__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .benefits__grid { grid-template-columns: repeat(3, 1fr); gap: var(--space-8); } }

.benefit-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-slow);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.benefit-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    color: var(--color-primary-hover);
    transition: all var(--transition-base);
}

.benefit-card:hover .benefit-card__icon {
    background: var(--color-primary-gradient);
    color: var(--color-dark);
}

.benefit-card__icon svg {
    width: 28px;
    height: 28px;
}

.benefit-card__title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-3);
}

.benefit-card__text {
    font-size: var(--text-base);
    color: var(--color-muted);
    line-height: 1.65;
}

/* ================================================
   HOW IT WORKS SECTION
   ================================================ */

.how-it-works { background: var(--color-white); }

.how-it-works__content {
    display: grid;
    gap: var(--space-10);
    align-items: center;
}

@media (min-width: 1024px) {
    .how-it-works__content {
        grid-template-columns: minmax(380px, 520px) 1fr;
        gap: var(--space-12);
    }
}

.how-it-works__visual {
    width: 100%;
    max-width: 520px;
    aspect-ratio: 1;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.9);
    background-image: url('../images/photo-how-it-works.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-xl);
    order: 2;
}

@media (max-width: 1023px) {
    .how-it-works__visual {
        max-width: 420px;
    }
}

@media (min-width: 1024px) {
    .how-it-works__visual {
        order: 1;
    }
}

.steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    position: relative;
    order: 1;
    width: 100%;
    max-width: 580px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .steps {
        gap: var(--space-5);
        max-width: 640px;
    }
}

@media (min-width: 1024px) {
    .steps {
        order: 2;
        max-width: none;
        margin: 0;
        gap: var(--space-4);
    }
}

.step {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6) var(--space-5) var(--space-6);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .step {
        padding: var(--space-6) var(--space-7) var(--space-6) var(--space-8);
        gap: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .step {
        padding: var(--space-6) var(--space-8) var(--space-6) var(--space-10);
    }
}

.step:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.step__number {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-dark);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    z-index: 1;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .step__number {
        width: 64px;
        height: 64px;
        font-size: var(--text-2xl);
    }
}

.step:hover .step__number {
    background: var(--color-primary-gradient);
    color: var(--color-white);
    border-color: transparent;
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.step__body {
    flex: 1;
    min-width: 0;
}

.step__title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-2);
    line-height: 1.25;
}

@media (min-width: 768px) {
    .step__title {
        font-size: clamp(1.125rem, 1rem + 0.625vw, 1.3rem);
        margin-bottom: var(--space-2);
    }
}

.step__text {
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin: 0;
    line-height: 1.65;
}

@media (min-width: 768px) {
    .step__text {
        font-size: var(--text-base);
    }
}

.how-it-works__cta {
    text-align: center;
    margin-top: var(--space-12);
}

/* ================================================
   CALCULATOR SECTION
   ================================================ */

.calculator { background: var(--color-bg); }

.calculator__wrapper {
    max-width: 560px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.calculator__wrapper--wide {
    max-width: 1100px;
    padding: var(--space-8);
}

@media (min-width: 768px) {
    .calculator__wrapper { padding: var(--space-10); }
    .calculator__wrapper--wide { padding: var(--space-10); }
}

.calculator__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .calculator__grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: var(--space-8);
    }
}

@media (min-width: 1024px) {
    .calculator__grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
        gap: var(--space-8);
        align-items: start;
    }
}

.calculator__col {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    min-width: 0;
}

.calculator__col--result {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-4);
    min-width: 0;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .calculator__col--result {
        grid-column: span 2;
        flex-direction: row;
        align-items: center;
        gap: var(--space-8);
    }
    
    .calculator__col--result .calculator__result {
        flex: 1 1 0;
        min-width: 0;
    }
    
    .calculator__col--result .calculator__cta {
        flex: 0 0 auto;
        width: auto;
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

.calculator__row {
    margin-bottom: 0;
}

.calculator__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-3);
}

.calculator__value {
    color: var(--color-primary-hover);
    font-weight: 700;
}

.calculator__select-wrapper {
    position: relative;
}

.calculator__select {
    width: 100%;
    padding: var(--space-4) var(--space-12) var(--space-4) var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-dark);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calculator__select:hover { border-color: var(--color-muted); }
.calculator__select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.calculator__select-arrow {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    pointer-events: none;
}

.calculator__transport {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.transport-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--color-muted);
    transform: scale(1);
}

.transport-btn span {
    font-size: var(--text-sm);
    font-weight: 500;
}

.transport-btn:hover {
    border-color: var(--color-muted);
    color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.transport-btn.active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.transport-btn.active svg { color: var(--color-primary-hover); }

.calculator__slider { padding: var(--space-2) 0; }

.calculator__range {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--color-border);
    appearance: none;
    cursor: pointer;
}

.calculator__range:focus { outline: none; }
.calculator__range:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.calculator__range::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary-gradient);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    transition: transform var(--transition-fast);
}

.calculator__range::-webkit-slider-thumb:hover { transform: scale(1.1); }

.calculator__range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: var(--color-primary-gradient);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.calculator__range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-muted);
}

.calculator__result {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-primary-light);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.calculator__result.updating {
    background: rgba(251, 191, 36, 0.25);
    transform: scale(1.02);
}

.calculator__result-label {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-muted);
    margin-bottom: var(--space-2);
}

.calculator__result-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25em;
    flex-wrap: nowrap;
    white-space: nowrap;
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    font-weight: 800;
    color: var(--color-dark);
    transition: all var(--transition-base);
    transform-origin: center;
    font-variant-numeric: tabular-nums;
}

.calculator__result-value.updating {
    transform: scale(1.05);
    color: var(--color-primary-hover);
}

@media (min-width: 1024px) {
    .calculator__result-value {
        font-size: clamp(2rem, 4vw, 2.75rem);
    }
}

/* Responsive: чтобы большие суммы не ломали ₽ */
@media (max-width: 420px) {
    .calculator__result-value {
        gap: 0.25em;
        font-size: clamp(26px, 8vw, var(--text-3xl));
    }
}

.calculator__currency {
    font-weight: 800;
}

/* Odometer */
.calculator__odometer {
    display: inline-flex;
    align-items: baseline;
    gap: 0.15em;
}

.odometer__digit {
    display: inline-block;
    width: 0.62em;
    height: 1em;
    overflow: hidden;
    vertical-align: baseline;
}

.odometer__digit-inner {
    display: block;
    transform: translate3d(0, 0, 0);
    transition: transform 520ms cubic-bezier(0.2, 0.85, 0.2, 1);
    will-change: transform;
}

.odometer__digit-inner span {
    display: block;
    height: 1em;
    line-height: 1em;
    text-align: center;
}

.odometer__sep {
    display: inline-block;
    width: 0.32em;
    text-align: center;
    opacity: 0.9;
}

.calculator__disclaimer {
    font-size: var(--text-xs);
    color: var(--color-muted);
    text-align: center;
    margin-top: var(--space-6);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.calculator__cta { 
    margin-top: var(--space-4);
}

/* ================================================
   TESTIMONIALS SECTION
   ================================================ */

.testimonials { background: var(--color-bg); }

.testimonials__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) { .testimonials__grid { grid-template-columns: repeat(3, 1fr); } }

.testimonial-card {
    padding: var(--space-8);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-slow);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.testimonial-card__stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.testimonial-card__text {
    font-size: var(--text-base);
    color: var(--color-text);
    line-height: 1.65;
    margin-bottom: var(--space-6);
    flex-grow: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
}

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-primary-gradient);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-lg);
}

.testimonial-card__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--color-dark);
}

.testimonial-card__role {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

/* ================================================
   FAQ SECTION
   ================================================ */

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

.faq__list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq__item {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq__item:hover { background: var(--color-bg-alt); }
.faq__item[open] { background: var(--color-white); box-shadow: var(--shadow-md); }

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-dark);
    cursor: pointer;
    list-style: none;
}

.faq__question::-webkit-details-marker { display: none; }

.faq__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-muted);
    transition: transform var(--transition-base);
}

.faq__item[open] .faq__icon {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq__answer { padding: 0 var(--space-6) var(--space-6); }
.faq__answer p { color: var(--color-muted); line-height: 1.65; }

/* ================================================
   FINAL CTA SECTION
   ================================================ */

.final-cta {
    position: relative;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bg-alt) 100%);
    overflow: hidden;
}

.final-cta__bg {
    position: absolute;
    inset: 0;
    opacity: 0.7;
    background: 
        radial-gradient(circle at 18% 40%, rgba(245, 158, 11, 0.22) 0%, transparent 55%),
        radial-gradient(circle at 82% 60%, rgba(139, 92, 246, 0.16) 0%, transparent 55%);
}

.final-cta__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    align-items: center;
    padding: var(--space-10) 0;
}

@media (min-width: 1024px) {
    .final-cta__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
        padding: var(--space-16) 0;
    }
}

.final-cta__content {
    position: relative;
    text-align: center;
}

@media (min-width: 1024px) {
    .final-cta__content {
        text-align: left;
        max-width: 540px;
    }
}

.final-cta__title {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

@media (min-width: 768px) {
    .final-cta__title {
        font-size: var(--text-4xl);
    }
}

.final-cta__text {
    font-size: var(--text-lg);
    color: var(--color-muted);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .final-cta__text {
        margin-bottom: var(--space-10);
    }
}

.final-cta__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

@media (min-width: 1024px) {
    .final-cta__visual {
        justify-content: flex-end;
    }
}

.final-cta__image {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 4 / 3;
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-image: url('../images/photo-final-cta.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .final-cta__image {
        max-width: 540px;
    }
}

/* ================================================
   STICKY CTA (MOBILE)
   ================================================ */

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-white);
    padding: var(--space-4);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.sticky-cta.visible { transform: translateY(0); }

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

/* ================================================
   COOKIE BANNER
   ================================================ */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-cookie);
    background: var(--color-white);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-5);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible { transform: translateY(0); }

@media (min-width: 768px) { .cookie-banner { padding: var(--space-5) var(--space-8); } }

.cookie-banner__container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 1280px;
    margin: 0 auto;
}

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

.cookie-banner__text {
    font-size: var(--text-sm);
    color: var(--color-text);
    line-height: 1.65;
}

.cookie-banner__text a {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.cookie-banner__actions {
    display: flex;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* ================================================
   MODALS
   ================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-slow);
}

.modal[aria-hidden="false"] .modal__content {
    transform: scale(1) translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-dark);
    background: var(--color-bg-alt);
}

.modal__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    color: var(--color-primary-hover);
}

.modal__title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-3);
    padding-right: var(--space-10);
}

.modal__text {
    font-size: var(--text-base);
    color: var(--color-muted);
    margin-bottom: var(--space-6);
    line-height: 1.65;
}

.modal__checkbox {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.modal__input {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.modal__label {
    font-size: var(--text-sm);
    color: var(--color-text);
    line-height: 1.65;
    cursor: pointer;
}

.modal__label a {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.modal__actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

/* ================================================
   FOOTER
   ================================================ */

.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--color-dark);
    color: var(--color-white);
}

.footer__grid {
    display: grid;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

@media (min-width: 640px) { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-8); } }

.footer__brand { max-width: 320px; }

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--text-lg);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-md);
}

.footer__desc {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.65;
}

.footer__heading {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-4);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer__links a:hover { color: var(--color-white); }

.footer__cities {
    padding: var(--space-8) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-8);
}

.footer__cities-list {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.65;
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
}

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

.footer__legal { font-size: var(--text-xs); color: rgba(255, 255, 255, 0.4); }
.footer__disclaimer { font-size: var(--text-xs); color: rgba(255, 255, 255, 0.3); }

/* ================================================
   CITIES MAP SECTION
   ================================================ */

.cities-map {
    background: var(--color-bg);
}

.cities-map__search {
    position: relative;
    max-width: 400px;
    margin: 0 auto var(--space-10);
}

.cities-map__input {
    width: 100%;
    padding: var(--space-4) var(--space-12) var(--space-4) var(--space-4);
    font-size: var(--text-base);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.cities-map__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.cities-map__search-icon {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    pointer-events: none;
}

.cities-map__regions {
    display: grid;
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto;
}

.cities-map__region {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.cities-map__region:hover {
    box-shadow: var(--shadow-md);
}

.cities-map__region-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-dark);
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background var(--transition-fast);
}

.cities-map__region-title::-webkit-details-marker {
    display: none;
}

.cities-map__region-title:hover {
    background: var(--color-bg);
}

.cities-map__count {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-muted);
    margin-left: auto;
    margin-right: var(--space-3);
}

.cities-map__arrow {
    flex-shrink: 0;
    color: var(--color-muted);
    transition: transform var(--transition-base);
}

.cities-map__region[open] .cities-map__arrow {
    transform: rotate(180deg);
}

.cities-map__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: 0 var(--space-6) var(--space-5);
}

.cities-map__city {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.cities-map__city:hover {
    background: var(--color-primary-light);
    color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.cities-map__city.hidden {
    display: none;
}

.cities-map__region.hidden {
    display: none;
}

.cities-map__no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-12);
    color: var(--color-muted);
    font-size: var(--text-lg);
}

/* ================================================
   A/B TESTING VARIANTS
   ================================================ */

/* Variant A - Default (warm amber) */
[data-ab-variant="A"] {
    --color-primary: #F59E0B;
    --color-primary-hover: #D97706;
    --color-primary-light: #FEF3C7;
    --color-primary-gradient: linear-gradient(135deg, #FBBF24 0%, #F59E0B 50%, #D97706 100%);
}

/* Variant B - Emerald green */
[data-ab-variant="B"] {
    --color-primary: #10B981;
    --color-primary-hover: #059669;
    --color-primary-light: #D1FAE5;
    --color-primary-gradient: linear-gradient(135deg, #34D399 0%, #10B981 50%, #059669 100%);
}

/* Variant C - Blue */
[data-ab-variant="C"] {
    --color-primary: #3B82F6;
    --color-primary-hover: #2563EB;
    --color-primary-light: #DBEAFE;
    --color-primary-gradient: linear-gradient(135deg, #60A5FA 0%, #3B82F6 50%, #2563EB 100%);
}

/* ================================================
   ACCESSIBILITY
   ================================================ */

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    padding: var(--space-3) var(--space-4);
    background: var(--color-primary);
    color: var(--color-dark);
    font-weight: 600;
    z-index: 1000;
    border-radius: 0 0 var(--radius-md) 0;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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