:root {
    --brand-teal: #3AC1B8;
    --brand-teal-grad: linear-gradient(135deg, #5CD4C9 0%, #26afa4 100%);
    --brand-blue: #2AAFA4;
    --brand-blue-hover: #249C92;
    --dark-slate: #1D4E49;
    --dark-card: #1D3634;
    --bg-light: #f2f9f8;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --section-spacing: 96px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    color: var(--text-dark);
    background-color: #ffffff;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-dark);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-dark);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    padding: 4px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--brand-teal);
    transition: var(--transition);
}

nav a:hover {
    color: var(--text-dark);
}

nav a:hover::after {
    width: 100%;
}

.header-phones {
    text-align: right;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
}

.header-phones a {
    color: var(--text-dark);
    text-decoration: none;
    display: block;
    transition: var(--transition);
}

.header-phones a:hover {
    color: var(--brand-teal);
}

.hero {
    margin-top: 73px;
    background: linear-gradient(135deg, #eaf7f6 0%, #dcf1ef 100%);
    padding: var(--section-spacing) 0;
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(58, 193, 184, 0.14) 0%, transparent 50%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 44px;
    line-height: 1.2;
    text-transform: uppercase;
    margin-bottom: 24px;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--text-dark);
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.6;
    border-left: 3px solid var(--brand-teal);
    padding-left: 16px;
}

.banner-form {
    background: var(--brand-teal-grad);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(58, 193, 184, 0.25);
    position: relative;
    z-index: 2;
}

.banner-form h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 19px;
    text-transform: uppercase;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.5px;
    color: #ffffff;
}

.input-field {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    color: #ffffff;
    transition: var(--transition);
}

.input-field::placeholder {
    color: rgba(255, 255, 255, 0.75);
}

.input-field:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: #ffffff;
    color: var(--brand-blue);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.submit-btn:hover {
    background: var(--brand-blue);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.banner-form .submit-btn {
    animation: ctaGlow 2.6s ease-in-out infinite;
}

@keyframes ctaGlow {
    0%, 100% { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12); }
    50% { box-shadow: 0 6px 24px rgba(255, 255, 255, 0.55); }
}

.features-triad {
    padding: var(--section-spacing) 0;
    padding-bottom: 64px;
    background-color: #ffffff;
}

.triad-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.triad-item {
    padding: 36px 32px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.01);
    text-align: left;
}

.triad-item:hover {
    transform: translateY(-6px);
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    border-color: rgba(58, 193, 184, 0.15);
}

.triad-icon {
    font-size: 28px;
    color: var(--brand-teal);
    margin-bottom: 24px;
    width: 60px;
    height: 60px;
    background: rgba(58, 193, 184, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.triad-item:hover .triad-icon {
    background: var(--brand-teal);
    color: #ffffff;
}

.triad-item h3 {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.5;
}

.highlight-bar {
    background: var(--brand-teal-grad);
    color: #ffffff;
    padding: var(--section-spacing) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 32px 32px 0 0;
    margin-top: -32px;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.06);
}

.highlight-bar::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -30%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.highlight-bar h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    text-transform: uppercase;
    margin-bottom: 48px;
    font-weight: 900;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

/* Блок преимуществ: горизонтальный список (иконка слева, текст справа),
   специально отличается от карточек .triad-item выше */
.info-points {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0 auto;
    text-align: left;
    position: relative;
    z-index: 1;
}

.info-point {
    display: grid;
    grid-template-columns: 80px 64px 1fr;
    align-items: center;
    gap: 28px;
    padding: 36px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.info-point:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.info-point:hover {
    padding-left: 8px;
}

.info-point-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 52px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.25);
    line-height: 1;
}

.info-point-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #ffffff;
}

.info-point-text h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 19px;
    text-transform: uppercase;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

.info-point-text p {
    font-size: 16.5px;
    line-height: 1.6;
    opacity: 0.9;
    font-weight: 400;
}

.info-note {
    max-width: 700px;
    margin: 36px auto 0;
    font-size: 14px;
    opacity: 0.85;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.catalog-section {
    padding: var(--section-spacing) 0;
    background-color: #ffffff;
}

.main-title {
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    text-transform: uppercase;
    color: var(--text-dark);
    font-weight: 900;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.main-title span {
    color: var(--brand-teal);
}

.sub-title {
    text-align: center;
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 56px;
    font-weight: 500;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 30px;
}

.catalog-item {
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,0,0,0.03);
    box-shadow: var(--shadow-sm);
}

.catalog-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.catalog-img {
    width: 100%;
    height: 230px;
    overflow: hidden;
    position: relative;
    background: var(--bg-light);
}

.catalog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.catalog-item:hover .catalog-img img {
    transform: scale(1.08);
}

.catalog-label {
    background: #ffffff;
    color: var(--text-dark);
    text-align: center;
    padding: 18px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    margin-top: auto;
    border-top: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.catalog-badge-icon {
    font-size: 13px;
    opacity: 0.65;
}

.catalog-item:hover .catalog-label {
    background: var(--brand-teal);
    color: #ffffff;
    border-top-color: var(--brand-teal);
}

.catalog-item:hover .catalog-badge-icon {
    opacity: 1;
}

.branding-section {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: var(--section-spacing) 0;
    text-align: center;
    position: relative;
}

.branding-section h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 30px;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 900;
    color: var(--text-dark);
}

.branding-section .desc {
    max-width: 850px;
    margin: 0 auto 60px;
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
}

.branding-methods {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.method-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 180px;
}

.method-circle {
    width: 126px;
    height: 126px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.04);
    margin-bottom: 18px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.method-item:hover .method-circle {
    transform: translateY(-6px);
    border-color: var(--brand-teal);
    box-shadow: 0 10px 25px rgba(58, 193, 184, 0.35);
}

.method-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.method-item:hover .method-img {
    transform: scale(1.08);
}

.method-item span {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    transition: var(--transition);
}

.method-item:hover span {
    color: var(--text-dark);
}

.footer-contacts {
    background: linear-gradient(135deg, #1ab3a6 0%, #2b867d 100%);
    color: #ffffff;
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: start;
}

.contacts-details {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding-top: 5px;
}

.contacts-details .logo-area {
    display: block;
    margin: 0 0 40px -6px;
    padding: 0;
    line-height: 0;
}

.contact-line {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 18px;
    line-height: 1.5;
    text-decoration: none;
}

.contact-line i {
    width: 36px;
    text-align: center;
    font-size: 28px;
    color: #ffffff;
    flex-shrink: 0;
}

.contact-line span {
    display: block;
}

a.contact-line:hover {
    color: #ffffff;
}

.bottom-form-box {
    background: linear-gradient(135deg, #eaf7f6 0%, #dcf1ef 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.bottom-form-box h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 19px;
    text-transform: uppercase;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0.5px;
    color: var(--text-dark);
}

.bottom-form-box .input-field {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-dark);
}

.bottom-form-box .input-field::placeholder {
    color: var(--text-muted);
}

.bottom-form-box .input-field:focus {
    background: #ffffff;
    border-color: var(--brand-teal);
    box-shadow: 0 0 0 4px rgba(58, 193, 184, 0.15);
}

.logo-img {
    height: 52px;
    width: auto;
    display: block;
}

.logo-img-2 {
    display: block;
    height: 52px;
    width: auto;
    margin-left: 7px;
}

.sub-footer {
    background: linear-gradient(135deg, #1ab3a6 0%, #2b867d 100%);
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.75);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(29, 78, 73, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: #ffffff;
    width: 100%;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: scale(0.92) translateY(20px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    margin: 20px;
}

.modal-overlay.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    background: var(--brand-teal-grad);
    padding: 24px 30px;
    color: #ffffff;
    position: relative;
}

.modal-header h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    font-weight: 850;
    text-transform: uppercase;
    line-height: 1.3;
    max-width: 85%;
}

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #ffffff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

.modal-body .input-field {
    background: var(--bg-light);
    border: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--text-dark);
}

.modal-body .input-field:focus {
    background: #ffffff;
    border-color: var(--brand-teal);
    box-shadow: 0 0 0 4px rgba(58, 193, 184, 0.12);
}

.modal-body .input-field::placeholder {
    color: var(--text-muted);
}

.modal-body .submit-btn {
    background: var(--brand-teal-grad);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(58, 193, 184, 0.2);
}

.modal-body .submit-btn:hover {
    background: var(--brand-teal);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(58, 193, 184, 0.3);
}

.hidden {
    display: none !important;
}

#hero-success-msg {
    text-align: center;
    color: #ffffff;
}

#hero-success-msg i {
    font-size: 36px;
    margin-bottom: 8px;
    display: block;
}

#hero-success-msg h3 {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 4px;
}

#hero-success-msg p {
    font-size: 14px;
    opacity: 0.9;
    border-left: none;
    padding-left: 0;
}

#footer-success-msg {
    text-align: center;
}

#footer-success-msg h3 {
    color: var(--text-dark);
}

#footer-success-msg p {
    color: var(--text-muted);
}

#modal-success-message {
    text-align: center;
}

.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1500;
    background: var(--brand-teal-grad);
    box-shadow: 0 -6px 20px rgba(0,0,0,0.15);
}

.mobile-sticky-bar-inner {
    display: flex;
}

.mobile-sticky-bar a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 8px;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.mobile-sticky-bar a + a {
    border-left: 1px solid rgba(255,255,255,0.25);
}

@media(max-width: 992px) {
    :root {
        --section-spacing: 64px;
    }
    .hero-grid, .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .triad-grid { grid-template-columns: 1fr; gap: 20px; }
    .header-wrap { flex-direction: column; gap: 16px; text-align: center; }
    .header-phones { text-align: center; }
    .hero { margin-top: 140px; padding: 56px 0; }
    .branding-methods { gap: 24px; }
}

@media(max-width: 700px) {
    :root {
        --section-spacing: 48px;
    }

    .container { padding: 0 20px; }

    header { position: static; }

    .header-wrap { padding: 12px 0; gap: 10px; }
    .logo-img { height: 46px; }
    .logo-img-2 { height: 46px; }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 20px;
    }
    nav a { font-size: 11px; white-space: nowrap; }

    .header-phones {
        display: flex;
        gap: 18px;
        font-size: 13px;
    }
    .header-phones a { display: inline; }

    .hero { margin-top: 0; padding: 32px 0 40px; }
    .hero h1 { font-size: 26px; margin-bottom: 14px; }
    .hero p { font-size: 14.5px; padding-left: 12px; }
    .hero-grid { gap: 24px; }

    .banner-form { padding: 24px; }
    .banner-form h2 { font-size: 16px; margin-bottom: 16px; }

    .main-title { font-size: 26px; }
    .sub-title { margin-bottom: 36px; }

    .highlight-bar h2 { font-size: 21px; margin-bottom: 32px; }
    .info-point { grid-template-columns: 44px 48px 1fr; gap: 16px; padding: 24px 0; }
    .info-point-num { font-size: 32px; }
    .info-point-text h3 { font-size: 16px; }
    .info-point-text p { font-size: 14.5px; }

    .catalog-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .catalog-img { height: 130px; }
    .catalog-label { padding: 12px; font-size: 12px; min-height: 48px; }

    .branding-section h2 { font-size: 22px; }
    .method-circle { width: 68px; height: 68px; font-size: 24px; }
    .method-item { width: 96px; }
    .method-item span { font-size: 11px; }

    .bottom-form-box, .modal-body { padding: 24px; }
    .contact-line { font-size: 15px; }
    .contact-line i { font-size: 20px; width: 28px; }

    .mobile-sticky-bar { display: block; }
    body { padding-bottom: 58px; }
}

@media(max-width: 700px) {
    header {
        position: static;
    }
    .hero {
        margin-top: 0;
    }
}