/* style.css — ROVNEE.RU v10.0
   Все правки: ТЗ-1, ТЗ-2, ТЗ-3, исправление тёмной темы, кнопка хедера, галочка, уведомления
   Дизайн-система, анимации, доступность, футер 3 колонки
*/

:root {
    --color-primary: #2D6A4F;
    --color-primary-hover: #1B4332;
    --color-primary-light: #40916C;
    --color-primary-dark: #1B4332;
    --color-primary-muted: #E8F5ED;
    --color-secondary: #DDB892;
    --color-secondary-light: #EDE0D4;
    --color-accent: #E9C46A;
    --color-accent-hover: #D4A843;
    --color-accent-muted: #FDF6E3;
    --color-bg: #F8F9FA;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F1F3F5;
    --color-surface-elevated: #FFFFFF;
    --color-text-primary: #1A2E2A;
    --color-text-secondary: #3D5A4E;
    --color-text-tertiary: #6B8A7A;
    --color-text-inverse: #FFFFFF;
    --color-text-placeholder: #94A3B8;
    --color-border: #D4DCD6;
    --color-border-light: #E8EDE9;
    --color-border-strong: #B8C9BE;
    --color-success: #2D6A4F;
    --color-success-bg: #E8F5ED;
    --color-error: #C0392B;
    --color-error-bg: #FDEDEC;

    --font-heading: 'Merriweather', 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --font-size-h1: clamp(32px, 5vw, 56px);
    --font-size-h2: clamp(28px, 4vw, 40px);
    --font-size-h3: clamp(22px, 2.5vw, 28px);
    --font-size-body: clamp(16px, 1.2vw, 18px);
    --font-size-small: 14px;
    --font-size-xs: 12px;

    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 80px;
    --space-5xl: 120px;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-card: 20px;
    --radius-btn: 14px;
    --radius-input: 12px;
    --radius-full: 9999px;

    --shadow-card: 0 4px 20px rgba(0,0,0,0.04), 0 8px 40px rgba(0,0,0,0.03);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.08), 0 16px 60px rgba(0,0,0,0.05);
    --shadow-modal: 0 4px 20px rgba(0,0,0,0.08), 0 16px 60px rgba(0,0,0,0.12);
    --shadow-focus: 0 0 0 4px rgba(45,106,79,0.25);

    --glass-bg: rgba(255,255,255,0.7);
    --glass-border: rgba(255,255,255,0.3);
    --glass-blur: 20px;

    --container-width: 1200px;
    --header-height: 72px;
    --section-gap: var(--space-4xl);
    --section-gap-mobile: var(--space-3xl);
}

/* ===== ТЁМНАЯ ТЕМА ===== */
[data-theme="dark"] {
    --color-bg: #0F172A;
    --color-surface: #1E293B;
    --color-surface-alt: #1A2332;
    --color-surface-elevated: #2D3A4F;
    --color-text-primary: #F1F5F9;
    --color-text-secondary: #CBD5E1;
    --color-text-tertiary: #94A3B8;
    --color-text-inverse: #FFFFFF;
    --color-border: #334155;
    --color-border-light: #1E293B;
    --color-border-strong: #475569;
    --color-primary-muted: #1A2E2A;
    --color-success-bg: #1A2E2A;
    --color-error-bg: #2A1A1A;
    --glass-bg: rgba(15,23,42,0.85);
    --glass-border: rgba(255,255,255,0.05);
    --shadow-card: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-modal: 0 4px 20px rgba(0,0,0,0.5);
}

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

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
    text-wrap: balance;
}

h1 {
    font-size: var(--font-size-h1);
    letter-spacing: -0.02em;
    margin-bottom: 0.5lh;
}

h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-2xl);
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin: var(--space-md) auto 0;
    border-radius: var(--radius-full);
}

h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--space-md);
}

p, li {
    font-size: var(--font-size-body);
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-width: 68ch;
}

p {
    text-wrap: pretty;
}

strong, b {
    color: var(--color-text-primary);
    font-weight: 600;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

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

a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

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

.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.required-star {
    color: var(--color-error);
    font-weight: 700;
    margin-left: 2px;
}

.container {
    max-width: var(--container-width);
    width: 90%;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

@media (min-width: 1024px) {
    .container { width: 85%; }
}

section {
    padding: var(--section-gap) 0;
}

section:nth-child(even) {
    background-color: var(--color-surface-alt);
}

section:nth-child(odd) {
    background-color: var(--color-bg);
}

section[id] {
    scroll-margin-top: var(--header-height);
}

@media (max-width: 767px) {
    section { padding: var(--section-gap-mobile) 0; }
}

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-md);
    background: var(--color-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
    text-decoration: none;
}

.skip-link:focus-visible {
    top: var(--space-md);
    outline: 3px solid var(--color-accent);
}

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.header-scrolled {
    padding: 4px 0;
    box-shadow: var(--shadow-card);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-width);
    width: 90%;
    margin: 0 auto;
    gap: var(--space-md);
}

.logo-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    color: var(--color-primary);
    line-height: 1;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-brand:hover {
    transform: scale(1.05) rotate(-2deg);
    opacity: 0.85;
}

.logo-line {
    display: block;
    width: 100%;
    height: 4px;
    background: var(--color-primary);
    clip-path: polygon(0 0, 100% 0, 95% 50%, 100% 100%, 0 100%, 5% 50%);
    margin: 2px 0;
}

.logo-line--top {
    clip-path: polygon(0 0, 100% 0, 90% 50%, 100% 100%, 0 100%, 10% 50%);
}

.logo-line--bottom {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 90% 50%, 10% 50%, 0 100%);
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--color-primary);
    padding: 2px 0;
}

@media (max-width: 767px) {
    .logo-brand { font-size: 18px; }
    .logo-text { font-size: 18px; }
    .logo-line { height: 3px; }
}

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

.nav a {
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s ease;
    white-space: nowrap;
}

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

/* ===== КНОПКА В ХЕДЕРЕ ===== */
.nav .btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 0 var(--color-primary-dark), 0 4px 12px rgba(45, 106, 79, 0.3);
    font-size: 13px;
    padding: 8px 20px;
    border-radius: var(--radius-btn);
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 44px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.nav .btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 0 var(--color-primary-dark), 0 6px 16px rgba(45, 106, 79, 0.4);
    text-decoration: none;
    color: var(--color-text-inverse);
}

.nav .btn-primary:active {
    transform: scale(0.96);
}

.nav .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s;
}

.nav .btn-primary:active::after {
    opacity: 1;
    transition: none;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.theme-toggle:hover {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

[data-theme="dark"] .icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

[data-theme="light"] .icon-moon {
    opacity: 0;
    transform: rotate(-90deg);
}

[data-theme="dark"] .icon-moon {
    opacity: 1;
    transform: rotate(0);
}

[data-theme="light"] .icon-sun {
    opacity: 1;
    transform: rotate(0);
}

.header-contacts {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header-contacts a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 18px;
}

.header-contacts a:hover {
    background: var(--color-primary-muted);
    color: var(--color-primary);
    text-decoration: none;
}

@media (max-width: 1024px) {
    .nav { display: none; }
    .header-contacts { display: none; }
}

/* ===== MOBILE ===== */
.mobile-actions {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

.mobile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 18px;
}

.mobile-icon:hover {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
    padding: var(--space-sm);
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn .burger-icon {
    position: relative;
    width: 22px;
    height: 16px;
}

.mobile-menu-btn .burger-icon span {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    left: 0;
}

.mobile-menu-btn .burger-icon span:nth-child(1) { top: 0; }
.mobile-menu-btn .burger-icon span:nth-child(2) { top: 7px; }
.mobile-menu-btn .burger-icon span:nth-child(3) { top: 14px; }

.mobile-menu-btn.active .burger-icon span:nth-child(1) {
    top: 7px;
    transform: rotate(45deg);
}

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

.mobile-menu-btn.active .burger-icon span:nth-child(3) {
    top: 7px;
    transform: rotate(-45deg);
}

@media (max-width: 1024px) {
    .mobile-actions { display: flex; }
    .mobile-menu-btn { display: flex; }
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100dvh;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    z-index: 1001;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-modal);
    padding: var(--space-lg);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: 18px;
}

.mobile-menu-close:hover {
    background: var(--color-primary-muted);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav a {
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
    color: var(--color-text-primary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    transition: background 0.2s ease;
    transform: translateX(20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu.active .mobile-nav a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.active .mobile-nav a:nth-child(2) { transition-delay: 0.10s; }
.mobile-menu.active .mobile-nav a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-nav a:nth-child(4) { transition-delay: 0.20s; }
.mobile-menu.active .mobile-nav a:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-nav a:nth-child(6) { transition-delay: 0.30s; }

.mobile-menu.active .mobile-nav a {
    transform: translateX(0);
    opacity: 1;
}

.mobile-nav a:hover {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 16px;
    font-weight: 700;
    color: #FFFFFF;
    background: var(--color-primary);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.mobile-nav-cta:hover {
    background: var(--color-primary-hover);
    color: #FFFFFF;
    text-decoration: none;
}

.mobile-nav-contact {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-muted);
    margin-bottom: 2px;
}

.mobile-nav-contact:hover {
    background: var(--color-accent-muted);
    color: var(--color-accent);
}

.mobile-theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-text-primary);
    font-size: 17px;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-family: var(--font-body);
}

.mobile-theme-toggle:hover {
    background: var(--color-primary-muted);
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, #1A2E2A, #2D6A4F);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(233, 196, 106, 0.12), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 106, 79, 0.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 80px 0 60px;
}

.hero-content {
    text-align: left;
}

.hero-title {
    color: #FFFFFF !important;
    margin-bottom: var(--space-md);
}

.hero-typing {
    color: var(--color-accent);
    border-right: 2px solid var(--color-accent);
    padding-right: 4px;
    display: inline-block;
    min-width: 200px;
    white-space: nowrap;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: rgba(255, 255, 255, 0.85) !important;
    margin-bottom: var(--space-xl);
}

.hero-form {
    width: 100%;
    max-width: 500px;
}

.hero-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.hero-form input[type="tel"] {
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-input);
    background: rgba(255, 255, 255, 0.05);
    color: #FFFFFF;
    width: 100%;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.hero-form input[type="tel"]::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.hero-form input[type="tel"]:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(233, 196, 106, 0.25);
}

.hero-hint {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-sm);
}

.hero-video {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.video-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1/1;
    background: linear-gradient(135deg, #2D6A4F, #1A2E2A, #DDB892);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    text-align: center;
    padding: var(--space-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    position: relative;
}

.video-placeholder .play-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    font-size: 28px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.video-label {
    text-align: center;
}

.video-label .video-name {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
}

.video-label .video-title {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 60px 0 40px;
    }
    .hero-content {
        text-align: center;
    }
    .hero-form {
        max-width: 100%;
    }
    .hero-typing {
        min-width: 120px;
        font-size: clamp(28px, 4vw, 32px);
    }
    .video-placeholder {
        max-width: 280px;
    }
}

/* ===== СТРЕЛКА ВНИЗ ===== */
.scroll-arrow {
    display: inline-block;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    animation: bounceArrow 2s ease-in-out infinite;
}

.scroll-arrow:hover {
    color: #FFFFFF;
    transform: translateY(6px);
}

.scroll-arrow svg {
    width: 48px;
    height: 48px;
    stroke: currentColor;
    stroke-width: 2;
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(12px); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ===== STATS ===== */
.stats {
    background: var(--color-primary-muted);
    padding: var(--space-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.stat-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-item:nth-child(1) { transition-delay: 0s; }
.stat-item:nth-child(2) { transition-delay: 0.15s; }
.stat-item:nth-child(3) { transition-delay: 0.3s; }

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.stat-icon svg {
    width: 40px;
    height: 40px;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

/* ===== CALCULATOR ===== */
.calculator-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.slider-group {
    margin-bottom: var(--space-xl);
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.slider-label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 15px;
}

.slider-value {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 18px;
}

input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: 3px;
    outline: none;
    transition: background 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: box-shadow 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 12px rgba(45, 106, 79, 0.15);
}

input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.slider-marks {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--color-text-tertiary);
    padding: 4px 2px 0;
}

.calc-result {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    opacity: 1;
    transform: none;
}

.calc-result.visible {
    opacity: 1;
    transform: none;
}

.calc-result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    text-align: center;
}

.calc-result-item {
    background: var(--color-surface);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

.calc-result-total {
    background: var(--color-primary);
    color: white;
}

.calc-result-total .calc-result-label {
    color: rgba(255, 255, 255, 0.8);
}

.calc-result-total .calc-result-value {
    color: white;
}

.calc-result-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.calc-result-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    transition: all 0.3s ease;
}

.calc-result-unit {
    font-size: 14px;
    color: var(--color-text-tertiary);
}

.calc-note {
    font-size: 13px;
    color: var(--color-text-tertiary);
    text-align: center;
    margin-top: var(--space-md);
}

.calc-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm) var(--space-md);
    margin: var(--space-lg) 0 var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-success-bg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(45, 106, 79, 0.2);
}

.calc-trust span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
}

.calc-trust span svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.calc-hint {
    font-size: 13px;
    color: var(--color-text-tertiary);
    text-align: center;
    margin-top: var(--space-sm);
}

@media (max-width: 600px) {
    .calc-result-grid {
        grid-template-columns: 1fr 1fr;
    }
    .slider-marks {
        font-size: 10px;
    }
    .calc-trust {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* ===== CALC FORM ===== */
.calc-form {
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.calc-form .form-group {
    margin-bottom: var(--space-md);
}

.calc-form input[type="tel"] {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-input);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-family: var(--font-body);
}

.calc-form input[type="tel"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.calc-form .form-success {
    text-align: center;
    padding: var(--space-md);
    color: var(--color-success);
    font-weight: 600;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease, max-height 0.5s ease, margin 0.3s ease;
}

.calc-form .form-success.show {
    opacity: 1;
    max-height: 100px;
}

.calc-form .form-success i {
    display: block;
    font-size: 32px;
    margin-bottom: var(--space-sm);
}

.calc-form .form-error {
    text-align: center;
    padding: var(--space-sm);
    color: var(--color-error);
    font-size: 14px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease, max-height 0.5s ease, margin 0.3s ease;
}

.calc-form .form-error.show {
    opacity: 1;
    max-height: 100px;
}

/* ===== INCLUDED ===== */
.included-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.included-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.included-group {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: var(--space-xl);
    box-shadow: var(--shadow-card);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.included-group:hover {
    transform: rotateX(3deg) rotateY(-3deg) translateY(-6px) scale(1.02);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.included-group-icon {
    margin-bottom: var(--space-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.included-group:hover .included-group-icon {
    transform: scale(1.1) rotate(5deg);
}

.included-group-icon svg {
    width: 48px;
    height: 48px;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.included-group h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
}

.included-group ul {
    list-style: none;
    padding: 0;
}

.included-group li {
    padding: 6px 0;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: left;
}

.included-group li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%232D6A4F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* ===== TECHNOLOGY ===== */
.technology-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

/* ===== TIMELINE ===== */
.timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    padding: 40px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 60px;
    right: 60px;
    height: 3px;
    background: var(--color-primary);
    opacity: 0.2;
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.step-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-surface);
    padding: 4px 16px;
    border-radius: 20px;
    border: 2px solid var(--color-primary);
    margin-bottom: 12px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: white;
}

.step-icon svg {
    width: 30px;
    height: 30px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.timeline-step h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 4px;
}

.timeline-step p {
    font-size: 13px;
    color: var(--color-text-secondary);
    max-width: 180px;
}

.timeline-line {
    width: 40px;
    height: 3px;
    background: var(--color-primary);
    opacity: 0.2;
    align-self: center;
    margin-top: -20px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .timeline {
        flex-direction: column;
        align-items: center;
        gap: var(--space-xl);
        padding: 20px 0;
    }
    .timeline::before {
        display: none;
    }
    .timeline-line {
        display: none;
    }
    .timeline-step p {
        max-width: 100%;
    }
}

.tech-result {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--space-lg);
    background: var(--color-success-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    margin-top: var(--space-2xl);
}

/* ===== FAQ ===== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.faq-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    width: 100%;
    padding: var(--space-md) 48px var(--space-md) var(--space-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: none;
    text-align: left;
    font-family: var(--font-body);
    position: relative;
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: var(--color-primary-muted);
}

.faq-question .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--color-primary);
}

.faq-question .faq-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.faq-question .faq-toggle-icon {
    position: absolute;
    right: var(--space-md);
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    color: var(--color-primary);
}

.faq-item.open .faq-toggle-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--space-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                padding 0.3s ease;
    opacity: 0;
}

.faq-item.open .faq-answer {
    padding: 0 var(--space-md) var(--space-md) var(--space-md);
    max-height: 300px;
    opacity: 1;
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    line-height: 1.25;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    background: transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    min-width: 44px;
}

.btn:active {
    transform: scale(0.97);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-card);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(45, 106, 79, 0.35);
}

.btn-primary:active {
    transform: scale(0.96);
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.3);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-primary:active::after {
    opacity: 1;
    transition: none;
}

.btn-cta {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 0 var(--color-primary-dark), 0 4px 12px rgba(45, 106, 79, 0.3);
    font-size: 17px;
    padding: var(--space-md) var(--space-2xl);
}

.btn-cta:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 0 var(--color-primary-dark), 0 6px 16px rgba(45, 106, 79, 0.4);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(45, 106, 79, 0.25);
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
}

.btn-large {
    padding: var(--space-md) var(--space-2xl);
    font-size: 17px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading .btn-text {
    display: none;
}

.btn.loading .btn-spinner {
    display: inline-flex;
}

.btn-text {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-spinner {
    display: none;
}

.btn-spinner .spinner {
    width: 22px;
    height: 22px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ===== CUSTOM CHECKBOX ===== */
.custom-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
    margin: var(--space-md) 0;
    position: relative;
}

.custom-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.custom-checkbox .checkmark {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
    background: var(--color-surface);
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.custom-checkbox input[type="checkbox"]:checked+.checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.custom-checkbox input[type="checkbox"]:checked+.checkmark svg {
    animation: checkPop 0.3s ease;
    display: block;
}

.custom-checkbox .checkmark svg {
    width: 16px;
    height: 16px;
    display: none;
}

.custom-checkbox .checkbox-label-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.4;
    cursor: pointer;
    padding-top: 2px;
}

.custom-checkbox .checkbox-label-text a {
    color: var(--color-primary);
}

.custom-checkbox .checkbox-label-text a:hover {
    color: var(--color-accent);
}

.custom-checkbox .error-text {
    display: none;
    color: var(--color-error);
    font-size: 13px;
    margin-top: 4px;
    width: 100%;
}

.custom-checkbox.error .checkmark {
    border-color: var(--color-error);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15);
}

.custom-checkbox.error .error-text {
    display: block;
}

@keyframes checkPop {
    0% { transform: scale(0); opacity: 0; }
    80% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

.input-error {
    border-color: var(--color-error) !important;
    animation: shake 0.5s ease;
}

/* ===== FOOTER (3 КОЛОНКИ) ===== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: underline;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.footer-brand .footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 24px;
    color: #FFFFFF;
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.footer-brand .footer-logo:hover {
    color: var(--color-accent);
}

.footer-brand .footer-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-md);
}

.footer-trust {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-trust .trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
}

.footer-trust .trust-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: var(--color-accent);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.footer-nav h4 {
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--space-sm);
}

.footer-nav a {
    text-decoration: none;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-nav a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.footer-nav a svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.footer-contacts-col h4 {
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-phone {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: #FFFFFF !important;
    text-decoration: none !important;
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.footer-phone:hover {
    color: var(--color-accent) !important;
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 15px;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-address {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin: var(--space-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-address svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.footer-rating {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-sm);
}

.footer-rating svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    fill: var(--color-accent);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--space-sm);
}

.share-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.share-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ===== FOOTER BOTTOM ===== */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md) var(--space-lg);
}

.footer-bottom-links a {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: underline;
}

.footer-bottom .footer-copy {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .footer-bottom-links {
        justify-content: center;
    }
}

/* ===== SCROLL TOP ===== */
.scroll-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 98;
    box-shadow: var(--shadow-card);
    font-size: 20px;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}

/* ===== TOAST ===== */
#toastContainer {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    pointer-events: none;
    max-width: 90vw;
}

.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-modal);
    font-size: 14px;
    font-weight: 500;
    border-left: 4px solid var(--color-success);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
    pointer-events: auto;
    max-width: 100%;
    text-align: center;
}

[data-theme="dark"] .toast {
    background: #1E293B;
    border-color: #334155;
    color: #F1F5F9;
    box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-error {
    border-left-color: var(--color-error);
}

[data-theme="dark"] .toast-error {
    border-left-color: #EF4444;
}

@media (max-width: 767px) {
    #toastContainer {
        top: 70px;
        left: var(--space-md);
        right: var(--space-md);
        transform: none;
        max-width: none;
    }
}

/* ===== COOKIE ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--glass-border);
    padding: var(--space-md) var(--space-lg);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.cookie-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin: 0;
}

[data-theme="dark"] .cookie-banner p {
    color: #CBD5E1;
}

.cookie-banner .btn {
    font-size: 13px;
    padding: var(--space-sm) var(--space-md);
}

@media (max-width: 767px) {
    .cookie-banner .container {
        flex-direction: column;
        text-align: center;
    }
    .cookie-banner .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== CTA BOTTOM ===== */
.cta-bottom {
    text-align: center;
    padding: var(--space-2xl) 0;
}

/* ===== FORM ELEMENTS ===== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--color-text-primary);
    font-size: 14px;
}

[data-theme="dark"] .form-group label {
    color: #CBD5E1;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-input);
    color: var(--color-text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background: #1E293B;
    color: #F1F5F9;
    border-color: #334155;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form-group input.error {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.form-group input.valid {
    border-color: var(--color-success);
    background: var(--color-success-bg);
}

/* ===== FADE-UP ANIMATION ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== ICON APPEAR ===== */
.icon-appear {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.icon-appear.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* ===== PWA КНОПКА ===== */
.pwa-install-btn {
    display: none;
}

@media (max-width: 767px) {
    .pwa-install-btn {
        display: inline-flex;
    }
}

/* ===== ADAPTIVE ===== */
@media (max-width: 767px) {
    body {
        font-size: 16px;
    }
    h2 {
        margin-bottom: var(--space-xl);
    }
    section {
        padding: var(--section-gap-mobile) 0;
    }
    .container {
        width: 92%;
        padding: 0 var(--space-sm);
    }
    .hero-content {
        text-align: center;
    }
    .hero-form {
        max-width: 100%;
    }
    .hero-typing {
        min-width: 120px;
        font-size: clamp(28px, 4vw, 32px);
    }
    .hero-form input[type="tel"] {
        font-size: 16px;
        padding: var(--space-md);
    }
    .calculator-wrapper {
        padding: var(--space-md);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .header,
    .mobile-menu,
    .mobile-menu-overlay,
    .scroll-top,
    .cookie-banner,
    #toastContainer {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
    .footer {
        background: white !important;
        color: black !important;
        padding: 20px 0;
    }
    .footer a {
        color: black !important;
    }
}