/* ===== RESET & BASE ===== */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background:#F8FAFC;
    color:#2D3748;
    line-height:1.6;
    padding-top:64px;
}
.container { max-width:1200px; margin:0 auto; padding:0 20px; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }

/* ===== FONTS ===== */
@font-face {
    font-family: 'Inter';
    src: url('/fonts/inter-regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/fonts/inter-medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/fonts/inter-semibold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/fonts/inter-bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ===== BUTTONS ===== */
.btn {
    display:inline-flex; align-items:center; justify-content:center;
    padding:12px 32px; border:none; border-radius:8px;
    font-weight:600; font-size:16px; cursor:pointer; transition:all 0.3s ease;
    text-align:center; gap:8px;
}
.btn--copper {
    background:#C87A3A; color:#FFFFFF; box-shadow:0 4px 15px rgba(200,122,58,0.3);
}
.btn--copper:hover { background:#b06a30; transform:translateY(-2px); box-shadow:0 8px 25px rgba(200,122,58,0.4); }
.btn--large { padding:16px 48px; font-size:20px; border-radius:12px; }
.btn--outline {
    background:transparent; color:#0B1E4E; border:2px solid #0B1E4E;
}
.btn--outline:hover { background:#0B1E4E; color:#FFFFFF; }
.btn--hero-outline {
    background:rgba(11,30,78,0.25); color:#FFFFFF; border:2px solid rgba(255,255,255,0.8);
    backdrop-filter:blur(4px);
}
.btn--hero-outline:hover { background:rgba(11,30,78,0.5); border-color:#FFFFFF; transform:translateY(-2px); }

/* ===== КНОПКА КАТАЛОГА ===== */
.catalog__load-btn {
    min-width: 220px;
    justify-content: center;
    transition: all 0.3s ease;
}
.catalog__info-text {
    margin-top: 16px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    color: #2D3748;
}
.catalog__load-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
}

/* ===== HEADER ===== */
.header {
    position:fixed; top:0; left:0; width:100%; z-index:999; padding:12px 0;
    transition:background 0.3s, box-shadow 0.3s, padding 0.3s;
    background:rgba(255,255,255,1);
    box-shadow:0 2px 12px rgba(0,0,0,0.06);
    transform:translateZ(0);
    will-change:transform;
}
.header.scrolled {
    background:rgba(255,255,255,0.65);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    box-shadow:0 4px 20px rgba(11,30,78,0.08);
    padding:6px 0;
}
.header__inner { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.header__logo { display:inline-block; flex-shrink:0; }
.header__logo .logo-img {
    height:40px; width:auto; transition:height 0.3s;
}
.header.scrolled .logo-img { height:32px; }
.header__nav { flex:1; display:flex; justify-content:center; }
.nav-menu {
    display:flex; gap:28px; font-weight:500; font-size:16px;
    transition:font-size 0.3s, gap 0.3s;
}
.header.scrolled .nav-menu { font-size:14px; gap:20px; }
.nav-menu a {
    padding:6px 0; border-bottom:2px solid transparent;
    transition:border-color 0.3s, color 0.3s;
    color:#0B1E4E;
}
.nav-menu a:hover, .nav-menu a.active {
    color:#C87A3A;
    border-bottom-color:#C87A3A;
}
.header__contacts { display:flex; align-items:center; gap:16px; flex-shrink:0; }
.header__phone {
    font-weight:600; font-size:18px; color:#0B1E4E; white-space:nowrap;
    transition:font-size 0.3s, color 0.3s;
    display:flex;
    align-items:center;
    gap:6px;
}
.header__phone i {
    font-size:15px;
    transition:font-size 0.3s;
}
.header.scrolled .header__phone {
    font-size:15px;
    color:#0B1E4E;
}
.header.scrolled .header__phone i {
    font-size:13px;
}
.header__socials { display:flex; gap:8px; }
.social-link {
    display:flex; align-items:center; justify-content:center;
    width:34px; height:34px; border-radius:50%;
    background:#E8EDF5;
    color:#0B1E4E; transition:all 0.3s; font-size:18px;
}
.social-link:hover {
    background:#C87A3A;
    color:#FFFFFF !important;
}
.header__cta {
    padding:8px 20px; font-size:14px;
    transition:padding 0.3s, font-size 0.3s;
}
.header.scrolled .header__cta { padding:4px 14px; font-size:12px; }
.header__burger {
    display:none; flex-direction:column; gap:5px;
    background:transparent; border:none; cursor:pointer; padding:5px;
}
.header__burger span {
    display:block; width:24px; height:2px;
    background:#0B1E4E; transition:0.3s;
}

@media (min-width: 1025px) {
    .nav-menu .nav-specs { display: none; }
}
@media (max-width: 1024px) {
    .nav-menu .nav-specs { display: block; }
}

/* ===== HERO ===== */
.hero {
    position:relative;
    min-height:calc(100vh - 64px);
    display:flex;
    align-items:center;
    justify-content:center;
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;
    overflow:hidden;
}
.hero__overlay {
    position:absolute; inset:0; background:rgba(11,30,78,0.3); z-index:1;
}
.hero__inner { position:relative; z-index:2; text-align:center; }
.hero__content {
    max-width:1000px;
    margin:0 auto; padding:40px 30px;
    background:rgba(255,255,255,0.15); backdrop-filter:blur(4px);
    border-radius:16px; box-shadow:0 8px 30px rgba(0,0,0,0.1);
}
.hero__title { font-size:48px; font-weight:700; color:#FFFFFF; text-shadow:0 2px 10px rgba(0,0,0,0.3); margin-bottom:16px; }
.hero__subtitle { font-size:20px; color:#FFFFFF; text-shadow:0 2px 8px rgba(0,0,0,0.3); margin-bottom:32px; }
.hero__actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.hero__call-btn {
    animation:pulse-shadow 2s ease-in-out infinite;
}
@keyframes pulse-shadow {
    0% { box-shadow:0 0 0 0 rgba(200,122,58,0.5); }
    50% { box-shadow:0 0 0 20px rgba(200,122,58,0); }
    100% { box-shadow:0 0 0 0 rgba(200,122,58,0); }
}

/* ===== SECTION TITLES ===== */
.section-title { font-size:36px; font-weight:700; color:#0B1E4E; margin-bottom:40px; text-align:center; }

/* ===== CATALOG ===== */
.catalog { padding:80px 0; background:#F8FAFC; border-top:3px solid #C87A3A; }
.catalog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.catalog-item {
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #E2E8F0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    display: none;
    border-top: 4px solid transparent;
}
.catalog-item.visible {
    display: flex;
    flex-direction: column;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInItem 0.4s ease forwards;
}
@keyframes fadeInItem {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}
.catalog-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
    border-color: #C87A3A;
}
.catalog-item.grade-a { border-top: 4px solid #2F855A; }
.catalog-item.grade-b { border-top: 4px solid #2B6CB0; }
.catalog-item__img { overflow:hidden; }
.catalog-item__img img {
    width:100%; height:200px; object-fit:cover;
    transition:transform 0.5s ease;
}
.catalog-item:hover .catalog-item__img img { transform:scale(1.05); }
.catalog-item__body { padding:16px 20px 20px; flex:1; }
.catalog-item__title { font-size:18px; font-weight:600; color:#0B1E4E; margin-bottom:6px; }
.catalog-item__meta {
    font-size:14px; color:#4A5568; margin-bottom:6px;
    display:flex; flex-wrap:wrap; gap:8px 14px;
}
.catalog-item__meta span { display:inline-flex; align-items:center; gap:4px; }
.catalog-item__grade { font-weight:600; font-size:14px; }
.catalog-item__grade--a { color:#2F855A; }
.catalog-item__grade--b { color:#2B6CB0; }
.catalog-item__status { font-size:13px; color:#718096; }
.catalog-item__price {
    font-size:22px; font-weight:700; color:#C87A3A; margin:10px 0 12px;
}
.catalog-item__price-currency { font-size:14px; font-weight:400; color:#A0A0A0; margin-left:4px; }
.catalog-item__actions { display:flex; gap:10px; }
.catalog-item__actions .btn { flex:1; padding:8px 12px; font-size:14px; }

/* ===== BENEFITS ===== */
.benefits {
    position:relative; padding:80px 0;
    background-size:cover; background-position:center;
    border-top:3px solid #C87A3A;
}
.benefits__overlay {
    position:absolute; inset:0; background:rgba(255,255,255,0.45); z-index:1;
}
.benefits .container { position:relative; z-index:2; }
.benefits__grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:30px; }
.benefit-item {
    text-align:center; padding:30px 20px; border-radius:12px;
    background:rgba(255,255,255,0.7); backdrop-filter:blur(4px);
    border-top:3px solid #C87A3A;
    transition:transform 0.3s, box-shadow 0.3s;
    opacity:0; transform:translateX(-40px);
}
.benefit-item--anim.visible {
    opacity:1; transform:translateX(0);
    transition:opacity 0.6s ease, transform 0.6s ease;
}
.benefit-item:hover { transform:translateY(-5px); box-shadow:0 12px 30px rgba(0,0,0,0.08); }
.benefit-icon { font-size:40px; color:#C87A3A; margin-bottom:16px; }
.benefit-item h3 { font-size:18px; margin-bottom:8px; color:#0B1E4E; }
.benefit-item p { color:#4A5568; font-size:15px; }

/* ===== DIVIDER-CONTACT ===== */
.divider-contact {
    position:relative; padding:50px 0;
    background:#0B1E4E;
    border-top:3px solid #C87A3A;
    border-bottom:3px solid #C87A3A;
    text-align:center; color:#FFFFFF; overflow:hidden;
}
.divider-contact__bg {
    position:absolute; inset:0; z-index:0;
    background:linear-gradient(45deg, #0B1E4E, #1A3A6B, #0B1E4E);
    background-size:400% 400%;
    animation:gradientShift 8s ease infinite;
}
@keyframes gradientShift {
    0% { background-position:0% 50%; }
    50% { background-position:100% 50%; }
    100% { background-position:0% 50%; }
}
.divider-contact__inner { position:relative; z-index:1; display:flex; justify-content:center; }
.divider-contact__content { max-width:700px; width:100%; }
.divider-contact__title { font-size:32px; font-weight:700; margin-bottom:8px; }
.divider-contact__subtitle { font-size:18px; opacity:0.9; margin-bottom:20px; }
.divider-contact__phone {
    font-size:28px; font-weight:700; margin-bottom:20px;
    display:flex; align-items:center; justify-content:center; gap:12px;
}
.divider-contact__phone i { color:#C87A3A; }
.divider-contact__phone a { color:#FFFFFF; transition:color 0.3s; }
.divider-contact__phone a:hover { color:#C87A3A; }
.divider-contact__actions { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.divider-contact__actions .btn--outline {
    border-color:rgba(255,255,255,0.6); color:#FFFFFF;
}
.divider-contact__actions .btn--outline:hover {
    background:#C87A3A; border-color:#C87A3A; color:#0B1E4E;
}

/* ===== GRADES ===== */
.grades {
    position:relative; padding:80px 0;
    background-size:cover; background-position:center;
}
.grades__overlay {
    position:absolute; inset:0; background:rgba(255,255,255,0.45); z-index:1;
}
.grades .container { position:relative; z-index:2; }
.grades__grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:30px; }
.grade-card {
    padding:30px 24px; border-radius:12px;
    background:rgba(255,255,255,0.95);
    border:1px solid #E2E8F0;
    box-shadow:0 4px 12px rgba(0,0,0,0.04);
    transition:transform 0.3s, box-shadow 0.3s;
    opacity:0; transform:translateY(40px) scale(0.95);
}
.grade-card--anim.visible {
    opacity:1; transform:translateY(0) scale(1);
    transition:opacity 0.6s ease, transform 0.6s ease;
}
.grade-card:hover { transform:translateY(-5px); box-shadow:0 12px 30px rgba(0,0,0,0.08); }
.grade-card--a { border-top:6px solid #2F855A; }
.grade-card--b { border-top:6px solid #2B6CB0; }
.grade-card--c { border-top:6px solid #E53E3E; opacity:0.8; }
.grade-icon { font-size:32px; font-weight:700; color:#0B1E4E; margin-bottom:8px; }
.grade-card h3 { font-size:20px; margin-bottom:8px; color:#0B1E4E; }
.grade-card p { color:#4A5568; margin-bottom:12px; }
.grade-card ul { list-style:none; font-size:14px; }
.grade-card ul li { margin-bottom:4px; }
.grade-card ul li i { margin-right:8px; }
.grade-card--a ul li i { color:#2F855A; }
.grade-card--b ul li i { color:#2B6CB0; }
.grade-card--c ul li i { color:#E53E3E; }

/* ===== SPECS ===== */
.specs { padding:80px 0; background:#FFFFFF; border-top:3px solid #C87A3A; }
.specs__grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
    gap:30px;
}
.spec-card {
    background:#FFFFFF;
    border-radius:12px;
    border:1px solid #E2E8F0;
    box-shadow:0 4px 12px rgba(0,0,0,0.04);
    padding:20px;
    text-align:center;
    transition:transform 0.3s, box-shadow 0.3s;
    border-top:4px solid #C87A3A;
    opacity:0; transform:translateY(30px);
}
.spec-card--anim.visible {
    opacity:1; transform:translateY(0);
    transition:opacity 0.6s ease, transform 0.6s ease;
}
.spec-card:hover {
    transform:translateY(-5px);
    box-shadow:0 12px 30px rgba(0,0,0,0.08);
}
.spec-card__image { margin-bottom:12px; }
.spec-card__image img {
    width:100%; max-height:140px; object-fit:contain; border-radius:8px;
}
.spec-card h3 {
    font-size:20px; font-weight:600; color:#0B1E4E; margin-bottom:12px;
}
.spec-card ul { list-style:none; text-align:left; font-size:14px; color:#4A5568; }
.spec-card ul li { padding:4px 0; display:flex; align-items:center; gap:8px; }
.spec-card ul li i { color:#C87A3A; width:20px; text-align:center; }

.specs__pdf-banner {
    margin-top:40px;
    display:flex; align-items:center; gap:24px;
    background:linear-gradient(135deg, #0B1E4E 0%, #16305F 100%);
    border-radius:16px; padding:28px 32px;
    box-shadow:0 8px 30px rgba(11,30,78,0.2);
    border:1px solid rgba(200,122,58,0.4);
}
.specs__pdf-icon {
    flex-shrink:0; width:56px; height:56px; border-radius:50%;
    background:rgba(200,122,58,0.15);
    display:flex; align-items:center; justify-content:center;
    font-size:26px; color:#C87A3A;
}
.specs__pdf-text { flex:1; min-width:200px; }
.specs__pdf-text h3 { font-size:19px; font-weight:600; color:#FFFFFF; margin-bottom:6px; }
.specs__pdf-text p { font-size:14px; color:rgba(255,255,255,0.75); line-height:1.5; }
.specs__pdf-btn { flex-shrink:0; white-space:nowrap; }

/* ===== STEPS ===== */
.steps {
    position:relative; padding:80px 0;
    background-size:cover; background-position:center;
    border-top:3px solid #C87A3A;
}
.steps__overlay {
    position:absolute; inset:0; background:rgba(255,255,255,0.45); z-index:1;
}
.steps .container { position:relative; z-index:2; }
.steps__grid {
    display:flex; flex-wrap:wrap; justify-content:center;
    gap:60px; position:relative; transition:gap 0.3s ease;
}
.step-item {
    flex:1 1 160px; max-width:200px; text-align:center;
    padding:24px 16px;
    background:rgba(255,255,255,0.95);
    border-radius:16px; border-top:4px solid #C87A3A;
    box-shadow:0 4px 16px rgba(0,0,0,0.06);
    transition:transform 0.3s, box-shadow 0.3s;
    position:relative; opacity:0;
    animation:fadeInStep 0.6s forwards;
    display:flex; flex-direction:column; align-items:center;
}
.step-item:nth-child(1) { animation-delay:0.1s; }
.step-item:nth-child(2) { animation-delay:0.25s; }
.step-item:nth-child(3) { animation-delay:0.4s; }
.step-item:nth-child(4) { animation-delay:0.55s; }
.step-item:nth-child(5) { animation-delay:0.7s; }
@keyframes fadeInStep { to { opacity:1; } }
.step-item:hover { transform:translateY(-5px); box-shadow:0 8px 30px rgba(0,0,0,0.1); }
.step-number {
    font-size:48px; font-weight:700; color:#C87A3A; opacity:0.3;
    display:block; margin-bottom:4px; line-height:1;
}
.step-icon { font-size:32px; color:#C87A3A; margin-bottom:8px; }
.step-item h3 { font-size:18px; margin-bottom:8px; color:#0B1E4E; }
.step-item p { color:#4A5568; font-size:14px; flex-grow:1; }

/* ===== FAQ ===== */
.faq { padding:80px 0; background:#F8FAFC; border-top:3px solid #C87A3A; }
.faq-group { margin-bottom:40px; }
.faq-group-title {
    font-size:24px; font-weight:600; color:#0B1E4E;
    margin-bottom:20px; display:flex; align-items:center; gap:12px;
}
.faq-group-title i { color:#C87A3A; }
.faq-item {
    background:#FFFFFF; border-radius:12px; margin-bottom:14px;
    box-shadow:0 2px 12px rgba(0,0,0,0.04); border:1px solid #E2E8F0;
    transition:box-shadow 0.3s, border-color 0.3s;
}
.faq-item:hover { box-shadow:0 6px 24px rgba(0,0,0,0.06); border-color:#C87A3A; }
.faq-question {
    width:100%; padding:18px 24px; background:transparent; border:none;
    text-align:left; font-weight:600; font-size:16px; color:#0B1E4E;
    cursor:pointer; display:flex; justify-content:space-between; align-items:center;
    transition:background 0.2s; border-radius:12px;
}
.faq-question:hover { background:#F8FAFC; }
.faq-question .faq-icon {
    font-size:18px; color:#C87A3A; transition:transform 0.3s;
}
.faq-item.open .faq-icon { transform:rotate(180deg); }
.faq-answer {
    max-height:0; overflow:hidden; padding:0 24px;
    transition:max-height 0.4s ease, padding 0.3s ease;
    color:#4A5568; font-size:15px; line-height:1.7;
}
.faq-item.open .faq-answer { max-height:1000px; padding:0 24px 24px; }

/* ===== CONTACTS ===== */
.contacts {
    position:relative; padding:80px 0;
    background-size:cover; background-position:center;
    border-top:3px solid #C87A3A;
}
.contacts__overlay {
    position:absolute; inset:0; background:rgba(255,255,255,0.45); z-index:1;
}
.contacts .container { position:relative; z-index:2; }
.contacts__grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:stretch;
}
.contacts__info-wrapper {
    background:#FFFFFF;
    border-radius:16px;
    box-shadow:0 8px 30px rgba(0,0,0,0.08);
    padding:32px;
    border:1px solid #E2E8F0;
    border-top:3px solid #C87A3A;
    display:flex;
    flex-direction:column;
}
.contacts__form-wrapper {
    background:#FFFFFF;
    border-radius:16px;
    box-shadow:0 8px 30px rgba(0,0,0,0.08);
    padding:32px;
    border:1px solid #E2E8F0;
    border-top:3px solid #C87A3A;
    display:flex;
    flex-direction:column;
}
.contacts__info { display:flex; flex-direction:column; flex:1; gap:20px; }
.contacts__form { display:flex; flex-direction:column; flex:1; }
.contacts__company h3 { font-size:24px; color:#0B1E4E; margin-bottom:16px; }
.contacts__company p { margin-bottom:10px; font-size:15px; display:flex; align-items:center; gap:10px; }
.contacts__company p i { color:#C87A3A; width:20px; text-align:center; }
.contacts__company a { color:#C87A3A; font-weight:500; }
.contacts__map { flex:1; border-radius:12px; overflow:hidden; box-shadow:0 4px 12px rgba(0,0,0,0.05); min-height:200px; }
.contacts__form h3 { font-size:22px; color:#0B1E4E; margin-bottom:4px; }
.contacts__form .form-subtitle {
    font-size:15px; color:#4A5568; margin-bottom:16px; line-height:1.5;
}
.contacts__form .form-benefits {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px 20px;
    margin-bottom:16px;
}
.contacts__form .form-benefits span {
    font-size:14px; color:#2D3748; display:flex; align-items:center; gap:8px;
}
.contacts__form .form-benefits i { color:#C87A3A; font-size:14px; }
.contacts__form input, .contacts__form textarea {
    width:100%; padding:12px 16px; border:1px solid #E2E8F0; border-radius:8px;
    font-size:15px; margin-bottom:12px; font-family:inherit; transition:border-color 0.3s;
    background:#F8FAFC;
}
.contacts__form input:focus, .contacts__form textarea:focus {
    outline:none; border-color:#C87A3A; background:#FFFFFF;
}
.contacts__form .btn { width:100%; margin-bottom:8px; }
.contacts__form .form-footer {
    display:flex; justify-content:space-between; align-items:center;
    font-size:13px; color:#718096; margin-top:4px; flex-wrap:wrap; gap:6px;
}
.contacts__form .form-footer i { color:#C87A3A; margin-right:4px; }
#formMessage { margin-top:8px; font-weight:500; font-size:14px; }

/* ===== FOOTER ===== */
.footer {
    position:relative; color:#FFFFFF; padding:30px 0; overflow:hidden;
    background:linear-gradient(45deg, #0B1E4E, #1A3A6B);
}
.footer__inner {
    position:relative; z-index:1;
    display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:20px;
}
.footer__left { display:flex; flex-direction:column; align-items:flex-start; gap:4px; }
.footer__logo .logo-img { height:60px; width:auto; }
.footer__center { display:flex; flex-direction:column; align-items:center; gap:12px; }
.footer__nav { display:flex; gap:18px; flex-wrap:wrap; justify-content:center; }
.footer__nav a { font-size:14px; opacity:0.8; transition:opacity 0.3s; }
.footer__nav a:hover { opacity:1; color:#C87A3A; }
.footer__info-line {
    font-size:14px; opacity:0.7; text-align:center;
    border-top:1px solid rgba(255,255,255,0.1);
    padding-top:12px; width:100%;
}
.footer__right { display:flex; flex-direction:column; align-items:center; gap:8px; }
.footer__phone { font-weight:600; font-size:16px; }
.footer__socials { display:flex; gap:8px; flex-wrap:wrap; justify-content:center; }
.footer__socials .social-link {
    background:rgba(255,255,255,0.1); color:#FFFFFF; font-size:16px; width:32px; height:32px;
}
.footer__socials .social-link:hover { background:#C87A3A; }

/* ===== МОБИЛЬНАЯ КНОПКА ===== */
.mobile-call-btn {
    display:none;
    position:fixed; bottom:20px; right:20px; z-index:999;
    width:64px; height:64px; border-radius:50%;
    background:#C87A3A; color:#FFFFFF; font-size:28px;
    align-items:center; justify-content:center;
    box-shadow:0 4px 20px rgba(200,122,58,0.4);
    animation:pulse-phone 2s infinite;
    text-decoration:none;
}
.mobile-call-btn:hover { background:#b06a30; transform:scale(1.05); }
@keyframes pulse-phone {
    0% { box-shadow:0 0 0 0 rgba(200,122,58,0.5); }
    70% { box-shadow:0 0 0 15px rgba(200,122,58,0); }
    100% { box-shadow:0 0 0 0 rgba(200,122,58,0); }
}
@media (max-width:768px) { .mobile-call-btn { display:flex; } }

/* ===== MODAL (карточка контейнера) ===== */
.modal {
    display:none;
    position:fixed;
    top:0; left:0; width:100%; height:100%;
    background:rgba(0,0,0,0.7);
    z-index:10000;
    justify-content:center;
    align-items:center;
    padding:20px;
    overflow-y:auto;
}
.modal.active {
    display:flex;
}
.modal__content {
    position:relative;
    max-width:1200px;
    width:100%;
    max-height:95vh;
    overflow-y:auto;
    padding:0;
    background:transparent;
    box-shadow:none;
    border:none;
    border-radius:8px;
}
.modal__content::-webkit-scrollbar { width:4px; }
.modal__content::-webkit-scrollbar-track { background:transparent; }
.modal__content::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.3); border-radius:4px; }

.modal__close {
    position:fixed;
    top:20px;
    right:30px;
    z-index:10001;
    font-size:40px;
    color:#FFFFFF;
    background:rgba(0,0,0,0.5);
    border-radius:50%;
    width:50px;
    height:50px;
    display:none;
    align-items:center;
    justify-content:center;
    border:none;
    cursor:pointer;
    transition:all 0.3s;
}
.modal__close:hover {
    background:rgba(200,122,58,0.8);
    transform:rotate(90deg);
}
.modal.active .modal__close {
    display:flex;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width:1024px) {
    .contacts__grid { grid-template-columns:1fr; }
    .header__nav { display:none; }
    .header__nav.open {
        display:block; position:absolute; top:100%; left:0; width:100%;
        background:rgba(255,255,255,0.96); backdrop-filter:blur(10px);
        padding:20px; box-shadow:0 8px 30px rgba(0,0,0,0.1);
    }
    .header__nav.open .nav-menu {
        flex-direction:column; align-items:center; gap:16px; font-size:16px;
    }
    .header__nav.open .nav-menu a { color:#0B1E4E; }
    .header__burger { display:flex; }
    .header__socials { display:none; }
    .header__phone { font-size:16px; color:#0B1E4E; }
    .header__cta { padding:6px 16px; font-size:13px; }
    .catalog__grid { grid-template-columns:repeat(auto-fill, minmax(240px,1fr)); }
    .catalog__load-btn { min-width:180px; }
    .footer__inner { flex-direction:column; text-align:center; }
    .footer__left { align-items:center; }
    .footer__right { align-items:center; }
    .footer__nav { justify-content:center; }
    .hero__title { font-size:36px; }
    .social-link { width:44px; height:44px; font-size:22px; }
    .mobile-call-btn { width:64px; height:64px; font-size:30px; }
    .contacts__form .form-benefits {
        grid-template-columns:1fr 1fr;
    }
}
@media (max-width:640px) {
    .hero__title { font-size:28px; }
    .hero__subtitle { font-size:17px; }
    .section-title { font-size:28px; }
    .catalog__grid { grid-template-columns:1fr; }
    .catalog__load-btn { min-width:160px; font-size:14px; padding:10px 20px; }
    .grades__grid { grid-template-columns:1fr; }
    .steps__grid { flex-direction:column; align-items:center; gap:20px; }
    .step-item { max-width:100%; width:100%; }
    .faq-question { font-size:15px; padding:14px 18px; }
    .contacts__form-wrapper { padding:20px; }
    .contacts__info-wrapper { padding:20px; }
    .specs__pdf-banner { flex-direction:column; text-align:center; padding:24px 20px; }
    .specs__pdf-btn { width:100%; }
    .divider-contact__title { font-size:26px; }
    .divider-contact__phone { font-size:22px; }
    .divider-contact__actions { flex-direction:column; align-items:center; }
    .divider-contact__actions .btn { width:100%; }
    .contacts__form .form-benefits {
        grid-template-columns:1fr;
    }
    .modal {
        padding:10px;
    }
    .modal__content {
        max-height:98vh;
    }
    .modal__close {
        top:10px;
        right:16px;
        width:40px;
        height:40px;
        font-size:30px;
    }
}
@media (max-width:480px) {
    .header__phone { display:none; }
    .header__cta { padding:4px 12px; font-size:11px; }
    .hero__content { padding:20px 15px; }
    .catalog__load-btn { min-width:140px; font-size:13px; padding:8px 16px; }
}