/* Global Styles - Modern 2025 Design System */
:root {
    /* Primary Color Palette */
    --color-primary: #0f5132;
    --color-primary-dark: #0a3d24;
    --color-primary-light: #1e5f45;

    /* Accent Colors */
    --color-accent: #00d4aa;
    --color-accent-hover: #00c29a;
    --color-accent-light: #e6f9f5;

    /* Neutral Colors */
    --color-text-primary: #0c1421;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-light: #94a3b8;

    /* Surface Colors */
    --color-surface: #ffffff;
    --color-surface-elevated: #f8fafc;
    --color-surface-hover: #f1f5f9;

    /* Background */
    --color-background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    --color-background-overlay: rgba(15, 81, 50, 0.02);

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Shadows - Modern Layered System */
    --shadow-xs: 0 1px 2px 0 rgba(15, 81, 50, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(15, 81, 50, 0.1), 0 1px 2px 0 rgba(15, 81, 50, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(15, 81, 50, 0.1), 0 2px 4px -1px rgba(15, 81, 50, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 81, 50, 0.1), 0 4px 6px -2px rgba(15, 81, 50, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 81, 50, 0.1), 0 10px 10px -5px rgba(15, 81, 50, 0.04);
    --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.15);

    /* Border Radius - Modern Scale */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* Spacing Scale */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;
    --space-4xl: 40px;
    --space-5xl: 48px;
    --space-6xl: 64px;
}

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

/* Import Modern Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

body {
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--color-text-primary);
    background: var(--color-background);
    min-height: 100vh;
    font-weight: 400;
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1, 'pnum' 1, 'tnum' 0, 'onum' 1, 'lnum' 0, 'dlig' 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Modern Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

/* Navigation Bar - Modern Glassmorphism */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(15, 81, 50, 0.08);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
}

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

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 15px;
    margin: 0 0 0 40px;
}

.navbar-menu li {
    position: relative;
}

.nav-link {
    display: block;
    padding: 12px 16px;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: -0.01em;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.1), transparent);
    transition: left 0.5s ease;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--color-accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.nav-link.active {
    background: var(--color-accent-light);
    font-weight: 600;
}

/* Language switcher in navbar */
.navbar .lang-switch {
    position: static;
    display: flex;
    gap: 10px;
    margin-left: auto;
}

.navbar .lang-switch a {
    padding: 6px 10px;
    border-radius: 4px;
    font-weight: bold;
    border: 1px solid rgba(31, 78, 47, 0.4);
    background-color: rgba(255, 255, 255, 0.85);
    color: var(--color-primary-dark);
    transition: all 0.2s ease;
}

.navbar .lang-switch a.active,
.navbar .lang-switch a:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    margin-left: auto;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
}

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

.mobile-menu-content {
    position: relative;
    width: 280px;
    max-width: 80vw;
    height: 100%;
    background-color: #fff;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    margin-left: auto;
}

.mobile-menu-overlay.active .mobile-menu-content {
    transform: translateX(0);
}

/* Mobile Menu Header */
.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    background-color: #f8f9fa;
}

.mobile-menu-close {
    font-size: 28px;
    color: var(--color-primary-dark);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.mobile-menu-close:hover {
    background-color: #e0e0e0;
}

/* Mobile Menu Navigation */
.mobile-menu-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Mobile Menu List */
.mobile-menu-list {
    list-style: none;
    padding: 20px;
    margin: 0;
    flex: 1;
}

/* Mobile Menu Language Switch - hidden as buttons are now inline */
.mobile-lang-switch {
    display: none;
}

.mobile-lang-switch a {
    flex: 1;
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    font-weight: bold;
    border: 2px solid rgba(31, 78, 47, 0.25);
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

.mobile-lang-switch a.active,
.mobile-lang-switch a:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

.mobile-menu-list li {
    margin-bottom: 15px;
}

.mobile-lang-list-item {
    margin-top: 20px;
    margin-bottom: 0;
}

.mobile-lang-switch-inline {
    display: flex;
    gap: 15px;
    padding: 0;
    border: none;
    background: none;
}

.mobile-lang-switch-inline a {
    flex: 1;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    border: 2px solid rgba(31, 78, 47, 0.25);
    background-color: rgba(255, 255, 255, 0.92);
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 14px;
}

.mobile-lang-switch-inline a.active,
.mobile-lang-switch-inline a:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

.mobile-nav-link {
    display: block;
    padding: 12px 15px;
    color: var(--color-muted);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: rgba(122, 194, 116, 0.18);
    color: var(--color-primary-dark);
    border-color: rgba(31, 78, 47, 0.25);
}


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

header {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-top: 80px;
    background-image: url("images/main-bg.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 36, 20, 0.78), rgba(31, 106, 59, 0.45));
    z-index: 0;
}

header .hero {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 20px 140px;
    min-height: 520px;
    z-index: 1;
}

header .hero-text {
    flex: 1 1 60%;
    padding: 20px;
    max-width: 640px;
    text-align: left;
    color: #ffffff;
}

header .hero-text h1 {
    font-size: 68px;
    font-weight: 800;
    margin-bottom: 28px;
    color: #ffffff;
    letter-spacing: 0.02em;
    text-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);
}

header .hero-text p {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.7;
    text-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
}

/* Language switcher */
.lang-switch {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.lang-switch a {
    padding: 8px 12px;
    border-radius: 4px;
    font-weight: bold;
    border: 1px solid rgba(31, 78, 47, 0.4);
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primary-dark);
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.lang-switch a.active,
.lang-switch a:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: transparent;
}

/* Sections */
section {
    padding: var(--space-6xl) var(--space-3xl);
    max-width: 1200px;
    margin: var(--space-5xl) auto var(--space-5xl);
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

/* Убрана декоративная полоска сверху секций
section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}
*/

section h2 {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--color-primary);
    letter-spacing: 0.01em;
}

section h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--color-primary-dark);
}

section p {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--color-muted);
}

/* Info section with image on right */
.info-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.info-container .info-text {
    flex: 1 1 55%;
}

.info-container .info-image {
    flex: 1 1 35%;
    text-align: center;
}

.info-container .info-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Advantage cards */
.advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.advantages .card {
    background: linear-gradient(145deg, var(--color-surface) 0%, var(--color-surface-elevated) 100%);
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    border: 1px solid rgba(0, 212, 170, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.advantages .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantages .card:hover::before {
    transform: scaleX(1);
}

.advantages .card img {
    width: 72px;
    height: 72px;
    margin-bottom: var(--space-lg);
    transition: transform 0.3s ease;
}

.advantages .card h3 {
    font-size: 1.25rem;
    margin-bottom: 0;
    color: var(--color-text-primary);
    font-weight: 600;
}

.advantages .card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(0, 212, 170, 0.15);
}

.advantages .card:hover img {
    transform: scale(1.1);
}

/* Components list */
.components {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 40px;
    margin-top: 30px;
}

.components ul {
    flex: 1 1 60%;
    list-style: none;
}

.components ul li {
    margin-bottom: 10px;
    font-size: 18px;
}

.components ul li span {
    font-weight: 600;
    color: var(--color-primary);
}

.components .comp-image {
    flex: 1 1 35%;
    text-align: center;
}

.components .comp-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Usage grid */
.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.usage-grid .usage-card {
    text-align: center;
}

.usage-grid .usage-card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}

.usage-grid .usage-card h3 {
    font-size: 18px;
    line-height: 1.4;
}

/* Simplicity section */
.simplicity {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    margin-top: 30px;
}

.simplicity .simp-image {
    flex: 1 1 40%;
    text-align: center;
}

.simplicity .simp-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.simplicity .simp-content {
    flex: 1 1 55%;
}

.simplicity .simp-content ul {
    list-style: none;
}

.simplicity .simp-content ul li {
    margin-bottom: 10px;
    font-size: 18px;
    position: relative;
    padding-left: 25px;
}

.simplicity .simp-content ul li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-size: 24px;
    line-height: 1;
}

/* Contact section */
.contact {
    background: linear-gradient(135deg, rgba(122, 194, 116, 0.22), rgba(255, 255, 255, 0.94));
    padding: 80px 32px;
    border: 1px solid rgba(122, 194, 116, 0.28);
    box-shadow: 0 22px 52px rgba(23, 62, 37, 0.18);
}

.contact p {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--color-muted);
}

.form-result {
    max-width: 600px;
    margin: 0 auto 24px;
    padding: 18px 24px;
    border-radius: 18px;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 14px 32px rgba(23, 62, 37, 0.16);
}

.form-result p {
    margin: 0;
}

.form-result.success {
    background: rgba(122, 194, 116, 0.18);
    color: var(--color-primary-dark);
    border: 1px solid rgba(122, 194, 116, 0.45);
}

.form-result.info {
    background: rgba(119, 178, 223, 0.18);
    color: #1f4d72;
    border: 1px solid rgba(119, 178, 223, 0.35);
}

.form-result.error {
    background: rgba(226, 110, 110, 0.16);
    color: #7b2323;
    border: 1px solid rgba(226, 110, 110, 0.3);
}

.form-reset-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-muted);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.form-reset-link:hover {
    color: var(--color-primary);
}

.contact-form {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 34px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    box-shadow: 0 24px 58px rgba(23, 62, 37, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(180, 215, 185, 0.45);
}

.contact-form input,
.contact-form textarea {
    padding: 16px 20px;
    border: 2px solid rgba(31, 78, 47, 0.12);
    border-radius: 18px;
    font-size: 16px;
    width: 100%;
    background: rgba(255, 255, 255, 0.94);
    transition: all 0.3s ease;
    box-shadow: 0 6px 16px rgba(23, 62, 37, 0.08);
    outline: none;
    font-family: inherit;
    color: var(--color-text);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(31, 78, 47, 0.55);
    font-weight: 400;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 10px 26px rgba(31, 78, 47, 0.22);
    background: rgba(255, 255, 255, 1);
    transform: translateY(-2px);
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.contact-form button {
    padding: var(--space-xl) var(--space-3xl);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-xl);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-lg);
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s ease;
}

.contact-form button:hover::before {
    left: 100%;
}

.contact-form button:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.contact-form button:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.contact-form button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.contact-form button:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: 0 20px 38px rgba(31, 78, 47, 0.46);
    transform: translateY(-2px);
}

.contact-form button:hover::before {
    left: 100%;
}

.contact-form button:active {
    transform: translateY(0);
    box-shadow: 0 8px 20px rgba(31, 78, 47, 0.35);
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: #f5fff7;
    padding: var(--space-6xl) var(--space-2xl);
    font-size: 14px;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.03)"><polygon points="0,0 1000,0 1000,60 0,100"/></svg>') no-repeat center bottom;
    background-size: cover;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.footer-section {
    flex: 1;
    min-width: 250px;
}

.footer-section h4 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    font-size: 16px;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item:hover {
    transform: translateX(4px);
    border-bottom-color: rgba(0, 212, 170, 0.3);
}

.contact-icon {
    font-size: 20px;
    width: 28px;
    text-align: center;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    opacity: 1;
    transform: scale(1.1);
}

.footer-section p {
    margin: 0;
    color: rgba(245, 255, 247, 0.8);
    text-align: center;
}

/* Responsive adjustments */

/* Large tablets (1024px and below) */
@media (max-width: 1024px) {
    .navbar-container {
        padding: 12px 20px;
    }

    .navbar-menu {
        gap: 12px;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 15px;
    }

    section {
        padding: 64px 24px;
        border-radius: 24px;
        margin-bottom: 44px;
    }

    header .hero {
        padding: 110px 24px 130px;
    }
}

/* Tablet and smaller screens (768px and below) */
@media (max-width: 768px) {
    /* Hide desktop elements and show mobile elements */
    .desktop-menu {
        display: none;
    }

    .desktop-lang {
        display: none !important;
    }

    .lang-switch:not(.desktop-lang) {
        display: none;
    }

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

    .navbar-container {
        padding: 10px 15px;
    }

    /* Adjust navbar height for mobile */
    header {
        padding-top: 70px;
    }

    /* Adjust mobile menu for tablets */
    .mobile-menu-content {
        width: 300px;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    }

    .mobile-menu-list {
        padding: 70px 20px 20px;
    }

    .mobile-nav-link {
        font-size: 16px;
        padding: 12px 16px;
        margin-bottom: 4px;
        border-radius: 8px;
        transition: background-color 0.2s ease;
        font-weight: 500;
    }

    .mobile-nav-link:hover {
        background-color: rgba(31, 78, 47, 0.08);
    }
}

/* Mobile phones (480px and below) */
@media (max-width: 480px) {
    .navbar-container {
        padding: 8px 12px;
    }

    .navbar-logo img {
        height: 35px !important;
    }

    .mobile-menu-toggle {
        padding: 8px;
    }

    .hamburger-line {
        width: 22px;
        height: 2px;
        margin: 2px 0;
    }

    .mobile-menu-content {
        width: 260px;
        max-width: 85vw;
    }

    .mobile-menu-list {
        padding: 60px 15px 15px;
    }

    .mobile-nav-link {
        font-size: 16px;
        padding: 12px 15px;
        margin-bottom: 6px;
        border-radius: 8px;
        transition: all 0.2s ease;
        font-weight: 500;
        text-align: left;
    }

    .mobile-nav-link:hover,
    .mobile-nav-link.active {
        background-color: rgba(31, 78, 47, 0.1);
        transform: translateX(2px);
    }

    .mobile-lang-switch-inline {
        gap: 12px;
    }

    .mobile-lang-switch-inline a {
        padding: 8px;
        font-size: 13px;
    }

    .mobile-lang-switch-inline {
        gap: 10px;
    }

    .mobile-lang-switch-inline a {
        padding: 6px;
        font-size: 12px;
    }

    header {
        padding-top: 56px;
    }

    header .hero {
        padding: 90px 14px 110px;
        justify-content: center;
        min-height: 380px;
    }

    header .hero-text {
        flex: 1 1 100%;
        max-width: 560px;
        text-align: center;
    }

    header .hero-text h1 {
        font-size: 46px;
        text-shadow: 0 12px 24px rgba(0, 0, 0, 0.32);
    }

    header .hero-text p {
        font-size: 18px;
        line-height: 1.6;
        text-shadow: 0 10px 20px rgba(0, 0, 0, 0.26);
    }

    section {
        padding: 48px 20px;
        border-radius: 20px;
        margin-bottom: 32px;
    }

    section h2 {
        font-size: 30px;
        margin-bottom: 20px;
        font-weight: 700;
        letter-spacing: -0.02em;
    }

    section p, section ul li {
        font-size: 16px;
        line-height: 1.6;
    }

    .info-container {
        flex-direction: column;
        gap: 30px;
    }

    .advantages {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 24px;
    }

    .advantages .card {
        padding: 24px 20px;
        border-radius: 16px;
        box-shadow: 0 8px 24px rgba(23, 62, 37, 0.08);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .advantages .card:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 32px rgba(23, 62, 37, 0.12);
    }

    .usage-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-top: 24px;
    }

    .usage-grid .usage-card {
        padding: 20px;
        border-radius: 16px;
        box-shadow: 0 6px 20px rgba(23, 62, 37, 0.06);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .usage-grid .usage-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 28px rgba(23, 62, 37, 0.1);
    }

    .simplicity {
        flex-direction: column;
        gap: 32px;
        margin-top: 24px;
    }

    .contact-form {
        gap: 16px;
        padding: 20px;
        border-radius: 16px;
    }

    .form-result {
        padding: 16px 20px;
        margin: 0 auto 20px;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 14px 16px;
        border-radius: 12px;
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .contact-form button {
        padding: 16px 24px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
        letter-spacing: 0.03em;
    }
}

/* Small mobile devices (360px and below) */
@media (max-width: 360px) {
    .mobile-menu-content {
        width: 240px;
        max-width: 90vw;
    }

    .mobile-menu-list {
        padding: 50px 12px 12px;
    }

    .mobile-nav-link {
        font-size: 15px;
        padding: 8px 10px;
    }

    .mobile-lang-switch {
        bottom: 15px;
        left: 12px;
        right: 12px;
    }

    .mobile-lang-switch a {
        padding: 8px;
        font-size: 13px;
    }

    header .hero-text h1 {
        font-size: 38px;
        text-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
    }

    header .hero-text p {
        font-size: 17px;
        text-shadow: 0 8px 16px rgba(0, 0, 0, 0.22);
    }

    section {
        padding: 40px 18px;
        border-radius: 18px;
        margin-bottom: 24px;
    }

    section h2 {
        font-size: 28px;
        margin-bottom: 18px;
        font-weight: 700;
    }

    section p, section ul li {
        font-size: 15px;
        line-height: 1.6;
    }

    .mobile-lang-switch {
        gap: 6px;
        padding: 10px;
    }

    .mobile-lang-switch a {
        padding: 6px;
        font-size: 12px;
    }

    .contact-form {
        padding: 18px;
        gap: 14px;
        border-radius: 14px;
        margin-top: 20px;
    }

    .contact-form input,
    .contact-form textarea {
        padding: 14px 16px;
        border-radius: 12px;
        font-size: 16px;
        border: 2px solid rgba(255, 255, 255, 0.1);
        transition: border-color 0.2s ease;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
        border-color: var(--color-accent);
        outline: none;
    }

    .contact-form button {
        padding: 16px 24px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .contact-form button:hover {
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(23, 62, 37, 0.3);
    }

    /* Footer mobile styles */
    .footer-content {
        flex-direction: column;
        gap: 24px;
    }

    .footer-section {
        text-align: left;
    }

    .footer-section h4 {
        font-size: 18px;
        margin-bottom: 16px;
        font-weight: 600;
    }

    .contact-info {
        gap: 16px;
    }

    .contact-item {
        font-size: 15px;
        justify-content: flex-start;
        padding: 8px 0;
        border-bottom: 1px solid rgba(245, 255, 247, 0.1);
    }

    .contact-item:last-child {
        border-bottom: none;
    }

    .contact-icon {
        font-size: 18px;
        width: 24px;
        opacity: 0.9;
    }

    .contact-item span {
        line-height: 1.4;
    }
}

/* Form Results Styles */
.form-result {
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    text-align: center;
}

.form-result.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.form-result.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.form-result.info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.form-result p {
    margin: 0 0 10px 0;
    font-size: 16px;
}

.form-result small {
    font-size: 14px;
    color: #666;
}

.form-result a {
    color: #007bff;
    text-decoration: none;
}

.form-result a:hover {
    text-decoration: underline;
}