/* ======== GLOBAL STYLES & VARIABLES ======== */
:root {
    --primary-color: #00AEEF;
    --primary-hover: #008fbf;
    --dark-bg: #121B28;
    --dark-card: #1A2637;
    --light-bg: #F4F6F9;
    --text-color-light: #E1E9F5;
    --text-color-dark: #222;
    --text-muted: #9BA9BE;
    --telegram-color: #26A5E4;
    --telegram-hover: #2295cc;
    --whatsapp-color: #25D366;
    --whatsapp-hover: #1DAE52;
    --border-color: #2E3F57;
    --border-radius: 16px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --font-family: 'Montserrat', sans-serif;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--text-color-dark);
    line-height: 1.7;
    background-color: #eef1f5;
}
body.nav-open {
    overflow: hidden;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--dark-bg); }
::-webkit-scrollbar-thumb { background: var(--primary-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-hover); }

::selection { background-color: var(--primary-color); color: var(--dark-bg); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: var(--primary-color); transition: color 0.3s; }

.section-title { font-size: 2.8rem; text-align: center; margin-bottom: 20px; font-weight: 800; letter-spacing: -0.02em; }
.section-subtitle { text-align: center; font-size: 1.1rem; max-width: 700px; margin: 0 auto 60px auto; }

.btn { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 15px 28px; border-radius: 12px; font-weight: 700; font-size: 1.1rem; transition: all 0.3s ease; border: none; cursor: pointer; text-transform: uppercase; width: 100%; text-align: center; }
.btn i { transition: transform 0.3s ease; }
.btn:hover i { transform: scale(1.2) rotate(10deg); }
.btn:active { transform: scale(0.98) !important; }

.btn-primary { background-color: var(--primary-color); color: var(--dark-bg); width: auto; display: inline-flex;}
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-3px); box-shadow: 0 4px 20px rgba(0, 174, 239, 0.4); }

/* ======== PRELOADER ======== */
.preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--dark-bg); display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.8s ease-out, visibility 0.8s ease-out; animation: preloaderFallback 0s 3s forwards; }
.preloader.hidden { opacity: 0; visibility: hidden; animation: none; }
.preloader-logo { display: flex; align-items: center; gap: 12px; animation: pulse 1.5s infinite ease-in-out; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.1); } 100% { transform: scale(1); } }
@keyframes preloaderFallback { to { opacity: 0; visibility: hidden; } }

/* ======== HEADER & NAVIGATION ======== */
.header { background-color: rgba(18, 27, 40, 0.85); backdrop-filter: blur(12px); padding: 20px 0; position: fixed; width: 100%; top: 0; z-index: 1000; border-bottom: 1px solid var(--border-color); transition: padding 0.3s ease, background-color 0.3s ease; }
.header.scrolled { padding: 10px 0; background-color: var(--dark-bg); }
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon-new { width: 40px; height: 40px; position: relative; }
.logo-icon-new::before, .logo-icon-new::after { content: ''; position: absolute; background-color: var(--primary-color); transition: all 0.3s ease; }
.logo-icon-new::before { width: 100%; height: 8px; border-radius: 4px; bottom: 0; left: 0; }
.logo-icon-new::after { width: 8px; height: 100%; border-radius: 4px; bottom: 0; left: 0; }
.logo:hover .logo-icon-new::before { transform: translateX(8px); }
.logo:hover .logo-icon-new::after { height: calc(100% - 8px); }
.logo-text { font-size: 1.8rem; font-weight: 800; color: var(--text-color-light); }
.nav-list { display: flex; gap: 35px; }
.nav-link { color: var(--text-muted); font-weight: 600; position: relative; padding-bottom: 5px; transition: color 0.3s ease; }
.nav-link:hover { color: var(--text-color-light); }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background-color: var(--primary-color); transition: width 0.3s ease; }
.nav-link:hover::after { width: 100%; }
.hamburger { display: none; background: none; border: none; cursor: pointer; z-index: 1002; }
.hamburger-box { width: 30px; height: 24px; display: inline-block; position: relative; }
.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after { width: 30px; height: 3px; background-color: var(--text-color-light); border-radius: 3px; position: absolute; transition: transform 0.3s ease, background-color 0.3s ease; }
.hamburger-inner { display: block; top: 50%; transform: translateY(-50%); }
.hamburger-inner::before, .hamburger-inner::after { content: ''; display: block; }
.hamburger-inner::before { top: -10px; }
.hamburger-inner::after { bottom: -10px; }
body.nav-open .hamburger-inner { background-color: transparent; }
body.nav-open .hamburger-inner::before { top: 0; transform: rotate(45deg); }
body.nav-open .hamburger-inner::after { bottom: 0; transform: rotate(-45deg); }

/* ======== HERO SECTION ======== */
.hero {
    position: relative;
    min-height: 100vh;
    background-color: var(--dark-bg);
    background-image: url("../imgs/fone.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-color-light);
    padding: 80px 20px 40px;
}
.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-title, .hero-subtitle { text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.7); }
.hero-title {
    font-size: clamp(1.9rem, 5vw + 1rem, 4rem);
    margin-bottom: 20px;
    font-weight: 800;
    animation: slideUp 1s ease-out 0.3s;
    animation-fill-mode: backwards;
    word-wrap: break-word;
    letter-spacing: -0.02em;
}
.hero-subtitle { font-size: 1.3rem; max-width: 800px; margin: 0 auto 40px auto; font-weight: 400; line-height: 1.8; color: #f0f0f0; animation: slideUp 1s ease-out 0.5s; animation-fill-mode: backwards; }
.hero .btn-primary { animation: slideUp 1s ease-out 0.7s; animation-fill-mode: backwards; }

/* ======== PRODUCT SECTION ======== */
.product-section {
    padding: 100px 0;
    background-color: var(--dark-bg);
    background-image: url("../imgs/dna_pattern_dark.png");
    background-size: auto;
    position: relative;
}

.product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 27, 40, 0.9), rgba(18, 27, 40, 0.9));
    z-index: 1;
}

.product-section .container {
    position: relative;
    z-index: 2;
}

.product-card-new {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background-color: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.product-card-new:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.25);
}

.product-card-new__image-wrapper {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
}
.product-card-new__image-wrapper img { width: 100%; border-radius: var(--border-radius); }
.product-card-new__details { background-color: var(--dark-bg); color: var(--text-color-light); padding: 40px; display: flex; flex-direction: column; }
.product-tag { background-color: var(--primary-color); color: var(--dark-bg); padding: 5px 12px; border-radius: 6px; font-size: 0.9rem; font-weight: 700; align-self: flex-start; margin-bottom: 15px; }
.product-title { font-size: 2.5rem; color: #fff; margin: 0 0 15px 0; font-weight: 800; }
.product-description { margin-bottom: 20px; font-size: 1rem; color: var(--text-muted); }
.product-price { font-size: 2.8rem; font-weight: 800; color: #fff; margin-bottom: 25px; }
.stock-info { font-weight: 600; color: #ffc107; margin-top: 20px; text-align: center; }
.product-cta { display: flex; flex-direction: column; gap: 15px; margin-top: auto; }
.cta-title { font-weight: 600; font-size: 1.1rem; color: #fff; text-align: center; margin-bottom: 5px; }
.btn-call { background-color: var(--primary-color); color: var(--dark-bg); }
.btn-call:hover { background-color: #fff; color: var(--dark-bg); transform: translateY(-2px); }
.btn-whatsapp { background-color: var(--whatsapp-color); color: #fff; }
.btn-whatsapp:hover { background-color: var(--whatsapp-hover); transform: translateY(-2px); }
.btn-telegram { background-color: var(--telegram-color); color: #fff; }
.btn-telegram:hover { background-color: var(--telegram-hover); transform: translateY(-2px); }

/* ======== PRODUCT INFO SECTION ======== */
.product-info { padding: 100px 0; background-color: var(--dark-bg); background-image: url("../imgs/dna_pattern_dark.png"); background-size: auto; color: var(--text-color-light); position: relative; }
.product-info::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(18, 27, 40, 0.9), rgba(18, 27, 40, 0.9)); z-index: 1; }
.product-info .container { position: relative; z-index: 2; }
.product-info .section-title, .product-info .section-subtitle { color: var(--text-color-light); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.info-block { background-color: rgba(26, 38, 55, 0.8); backdrop-filter: blur(5px); padding: 30px; border-radius: var(--border-radius); border: 1px solid var(--border-color); }
.info-block.full-width { grid-column: 1 / -1; }
.info-block h3 { font-size: 1.5rem; color: var(--text-color-light); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.info-block h3 i { color: var(--primary-color); }
.info-block p { color: var(--text-muted); }
.specs-list, .advantages-list { list-style: none; padding: 0; }
.specs-list li { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border-color); color: var(--text-muted); }
.specs-list li strong { color: var(--text-color-light); }
.specs-list li:last-child { border-bottom: none; }
.advantages-list li { display: flex; align-items: center; gap: 15px; margin-bottom: 10px; font-size: 1.1rem; color: var(--text-muted); }
.advantages-list i { color: var(--primary-color); }
.audience-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.audience-tags span { background-color: var(--primary-color); color: var(--dark-bg); padding: 5px 15px; border-radius: 20px; font-weight: 600; }

/* ======== MEDIA GALLERY SECTION ======== */
.media-gallery { padding: 100px 0; background-color: var(--dark-bg); background-image: url("../imgs/dna_pattern_dark.png"); background-size: auto; color: var(--text-color-light); position: relative; }
.media-gallery::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(rgba(18, 27, 40, 0.9), rgba(18, 27, 40, 0.9)); z-index: 1; }
.media-gallery .container { position: relative; z-index: 2; }
.media-gallery .section-title { color: var(--text-color-light); }
.media-gallery .section-subtitle { color: var(--text-muted); }
.gallery-block { margin-bottom: 80px; }
.gallery-block-title { font-size: 1.8rem; font-weight: 700; color: var(--text-color-light); border-bottom: 2px solid var(--primary-color); padding-bottom: 15px; margin-bottom: 40px; display: block; }
.photo-grid-3, .photo-grid-2, .photo-grid-4 { display: grid; gap: 30px; }
.photo-grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.photo-grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.photo-grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.gallery-img, .ergonomics-photo-wrapper, .feature-card, .video-container { border-radius: var(--border-radius); border: 3px solid transparent; background: linear-gradient(var(--dark-bg), var(--dark-bg)) padding-box, linear-gradient(135deg, var(--primary-color), var(--dark-card)) border-box; }
.gallery-img { display: block; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.3); transition: transform 0.4s ease, box-shadow 0.4s ease; overflow: hidden; }
.gallery-img::after { content: '\f00e'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 174, 239, 0.7); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 3rem; opacity: 0; transition: opacity 0.3s ease, transform 0.3s ease; transform: scale(0.8); }
.gallery-img:hover::after { opacity: 1; transform: scale(1); }
.gallery-img img { display: block; width: 100%; transition: transform 0.4s ease; }
.gallery-img:hover img { transform: scale(1.1); }
.full-width-img { width: 100%; display: block; }
.ergonomics-photo-wrapper { max-width: 900px; margin: 0 auto; overflow: hidden; display: block; position: relative; }
.feature-card { position: relative; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.feature-card img { width: 100%; display: block; transition: transform 0.4s ease; }
.feature-card p { position: absolute; bottom: 0; left: 0; width: 100%; background: rgba(0,0,0,0.7); color: #fff; padding: 15px; text-align: center; font-weight: 600; margin: 0; transform: translateY(100%); transition: transform 0.4s ease; }
.feature-card:hover img { transform: scale(1.1); }
.feature-card:hover p { transform: translateY(0); }
.video-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* ======== BENEFITS SECTION ======== */
.benefits { padding: 100px 0; background-color: #1a2c47; background-image: linear-gradient(315deg, #1a2c47 0%, #243b5e 74%), radial-gradient(circle at top left, rgba(135, 206, 235, 0.1), transparent 30%), radial-gradient(circle at bottom right, rgba(0, 174, 239, 0.1), transparent 30%); color: var(--text-color-light); }
.benefits .section-title, .benefits .section-subtitle { color: #fff; }
.benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.benefit-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px); padding: 40px 30px; border-radius: var(--border-radius); text-align: center; transition: transform 0.3s ease, background-color 0.3s ease; }
.benefit-card:hover { transform: translateY(-10px); background: rgba(255, 255, 255, 0.1); }
.benefit-icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 20px; background-color: rgba(0, 174, 239, 0.1); width: 70px; height: 70px; line-height: 70px; border-radius: 50%; display: inline-block; transition: transform 0.3s ease; }
.benefit-card:hover .benefit-icon { transform: rotate(15deg) scale(1.1); }
.benefit-title { font-size: 1.3rem; color: #fff; margin-bottom: 10px; font-weight: 700; }
.benefit-card p { color: var(--text-muted); }
.counter { font-weight: 800; color: var(--primary-color); }

/* ======== INSTALLMENT PLAN SECTION (FIXED) ======== */
.installment-plan {
    padding: 100px 0;
    background-color: #1a2c47;
    background-image: linear-gradient(315deg, #1a2c47 0%, #243b5e 74%), radial-gradient(circle at top left, rgba(135, 206, 235, 0.1), transparent 30%), radial-gradient(circle at bottom right, rgba(0, 174, 239, 0.1), transparent 30%);
    color: var(--text-color-light);
}
.installment-plan__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}
.installment-plan__text {
    max-width: 60%;
}
.installment-plan__text .section-title {
    text-align: left;
    margin-bottom: 15px;
    color: #fff;
}
.installment-plan__text p {
    color: var(--text-muted);
}
.installment-plan__logos {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    align-items: center;
}
.installment-plan__logos img {
    height: 55px;
    max-width: 120px;
    transition: transform 0.3s ease;
}
.installment-plan__logos img:hover {
    transform: scale(1.1);
}
/* ======== CONTACT FORM SECTION ======== */
.contact-section { padding: 100px 0; background-color: #1a2c47; background-image: linear-gradient(315deg, #1a2c47 0%, #243b5e 74%), radial-gradient(circle at top left, rgba(135, 206, 235, 0.1), transparent 30%), radial-gradient(circle at bottom right, rgba(0, 174, 239, 0.1), transparent 30%); color: var(--text-color-light); }
.contact-section .section-title, .contact-section .section-subtitle { color: #fff; }
.contact-form { max-width: 600px; margin: 0 auto; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); backdrop-filter: blur(10px); padding: 40px; border-radius: var(--border-radius); }
.form-group { margin-bottom: 25px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; color: var(--text-color-light); }
.form-group input { width: 100%; padding: 12px 15px; border: 1px solid var(--border-color); background-color: rgba(26, 38, 55, 0.8); color: var(--text-color-light); border-radius: 8px; font-size: 1rem; font-family: var(--font-family); transition: border-color 0.3s ease, box-shadow 0.3s ease; }
.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.2); }
.contact-form .btn-primary { width: 100%; }

/* ======== THANK YOU PAGE ======== */
.thank-you-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; background-image: url("../imgs/fone_products.jpg"); background-size: cover; background-position: center; color: var(--text-color-light); text-align: center; padding: 20px; position: relative; }
.thank-you-container::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(18, 27, 40, 0.8); z-index: 1; }
.thank-you-box { position: relative; z-index: 2; background: rgba(26, 38, 55, 0.8); backdrop-filter: blur(10px); padding: 50px; border-radius: var(--border-radius); border: 1px solid var(--border-color); max-width: 600px; animation: slideUp 1s ease-out; }
.thank-you-box .fa-check-circle { font-size: 5rem; color: var(--whatsapp-color); margin-bottom: 25px; }
.thank-you-box h1 { color: #fff; margin-bottom: 20px; font-size: 2.5rem; }
.thank-you-box p { color: var(--text-muted); margin-bottom: 15px; font-size: 1.1rem; line-height: 1.8; }
.thank-you-box p strong { color: var(--primary-color); }
.thank-you-box .small-text { font-size: 1rem; margin-bottom: 30px; }
.thank-you-box .btn-primary { width: auto; }

/* ======== LIGHTBOX (MODAL WINDOW) ======== */
.lightbox { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(18, 27, 40, 0.95); backdrop-filter: blur(5px); display: flex; align-items: center; justify-content: center; z-index: 9999; opacity: 0; visibility: hidden; transition: opacity 0.4s ease, visibility 0.4s ease; }
.lightbox.active { opacity: 1; visibility: visible; }
.lightbox__image { max-width: 90%; max-height: 80%; border-radius: var(--border-radius); box-shadow: 0 20px 50px rgba(0,0,0,0.5); transform: scale(0.8); transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); }
.lightbox.active .lightbox__image { transform: scale(1); }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); color: #fff; cursor: pointer; font-size: 2.5rem; transition: background-color 0.3s; }
.lightbox__close:hover, .lightbox__prev:hover, .lightbox__next:hover { background: rgba(255, 255, 255, 0.2); }
.lightbox__close { top: 20px; right: 20px; border-radius: 50%; width: 50px; height: 50px; line-height: 50px; }
.lightbox__prev, .lightbox__next { top: 50%; transform: translateY(-50%); padding: 10px 15px; border-radius: 8px; }
.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }

/* ======== STICKY CTA WIDGET ======== */
.sticky-cta { position: fixed; bottom: 20px; right: 20px; width: auto; max-width: 450px; background: rgba(18, 27, 40, 0.85); backdrop-filter: blur(12px); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 20px; z-index: 998; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); transform: translateY(200%); visibility: hidden; transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), visibility 0.6s; }
.sticky-cta.visible { transform: translateY(0); visibility: visible; }
.sticky-cta__icon { flex-shrink: 0; width: 50px; height: 50px; background-color: rgba(0, 174, 239, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.sticky-cta__icon i { color: var(--primary-color); font-size: 1.5rem; }
.sticky-cta__text h4 { color: #fff; margin: 0 0 5px 0; font-size: 1.1rem; }
.sticky-cta__text p { color: var(--text-muted); margin: 0; font-size: 0.9rem; line-height: 1.4; }
.cta-widget-btn { padding: 12px 24px; font-size: 1rem; flex-shrink: 0; background-color: var(--primary-color); color: var(--dark-bg); }
.cta-widget-btn:hover { background-color: #fff; }
.sticky-cta__close { position: absolute; top: 5px; right: 5px; background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; transition: color 0.3s, transform 0.3s; line-height: 1; }
.sticky-cta__close:hover { color: #fff; transform: rotate(90deg); }

/* ======== FOOTER ======== */
.footer { background-color: var(--dark-bg); color: var(--text-color-light); padding: 80px 0 30px 0; border-top: 1px solid var(--border-color);}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; margin-bottom: 60px; }
.footer-column .logo { margin-bottom: 20px; }
.footer-about-text { color: var(--text-muted); line-height: 1.8; margin-bottom: 25px; }
.footer-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 25px; color: var(--text-color-light); }
.footer-links, .footer-contacts { list-style: none; padding: 0; }
.footer-links li, .footer-contacts li { margin-bottom: 15px; }
.footer-links a, .footer-contacts a, .footer-contacts span { color: var(--text-muted); transition: color 0.3s ease, padding-left 0.3s ease; display: inline-block; }
.footer-links a:hover { color: var(--primary-color); padding-left: 5px; }
.footer-contacts li { display: flex; align-items: center; gap: 15px; }
.footer-contacts a:hover { color: var(--primary-color); }
.footer-social { display: flex; gap: 20px; }
.footer-social a { color: var(--text-muted); font-size: 1.5rem; transition: all 0.3s ease; }
.footer-social a:hover { color: var(--primary-color); transform: scale(1.2) translateY(-5px); }
.copyright { text-align: center; padding-top: 30px; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.9rem; }

/* ======== BACK TO TOP BUTTON ======== */
.back-to-top { position: fixed; bottom: 20px; right: 20px; width: 50px; height: 50px; background-color: var(--primary-color); color: var(--dark-bg); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; z-index: 999; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all 0.4s ease; box-shadow: 0 5px 15px rgba(0, 174, 239, 0.4); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.sticky-cta.visible + .back-to-top.visible { bottom: 140px; }
.back-to-top:hover { background-color: var(--primary-hover); transform: scale(1.1) rotate(360deg); }

/* ======== ANIMATIONS ======== */
.anim-on-scroll { opacity: 0; transform: translateY(50px) scale(0.98); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.anim-on-scroll.in-view { opacity: 1; transform: translateY(0) scale(1); }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ======== PRIVACY POLICY PAGE ======== */
.policy-section {
    padding: 150px 0 100px;
    background-color: var(--dark-bg);
    color: var(--text-muted);
}
.policy-section .container {
    max-width: 800px;
}
.policy-section h1 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 10px;
}
.policy-section h2 {
    font-size: 1.8rem;
    color: var(--text-color-light);
    margin-top: 40px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}
.policy-section .last-updated {
    margin-bottom: 40px;
    font-style: italic;
    font-size: 0.9rem;
}
.policy-section ul {
    list-style-position: inside;
    padding-left: 10px;
    margin-top: 15px;
}
.policy-section ul li {
    margin-bottom: 10px;
}

/* ======== RESPONSIVE DESIGN ======== */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .product-card-new { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .installment-plan__content { flex-direction: column; text-align: center; }
    .installment-plan__text { max-width: 100%; }
    .installment-plan__text .section-title { text-align: center; }
}

@media (max-width: 768px) {
    .container { padding: 0 15px; }
    .hero { background-attachment: scroll; }
    .nav-list { position: fixed; top: 0; right: -100%; width: 100%; height: 100vh; background-color: var(--dark-bg); flex-direction: column; align-items: center; justify-content: center; gap: 35px; transition: right 0.4s ease-in-out; z-index: 1001; }
    .nav-list.nav-open { right: 0; }
    .nav-link { font-size: 1.5rem; }
    .hamburger { display: block; position: relative; z-index: 1002; }
    .hero-title { font-size: 1.9rem; }
    .section-title { font-size: 1.6rem; }
    .photo-grid-2, .photo-grid-3, .photo-grid-4 { grid-template-columns: 1fr; }
    .footer-grid { text-align: center; }
    .footer-column .logo { justify-content: center; }
    .footer-social { justify-content: center; }
    .footer-contacts li { justify-content: center; }
    .product-card-new__details { padding: 30px; }
    .footer-column .logo { margin-bottom: 20px; }
    .specs-list li { flex-direction: column; align-items: flex-start; gap: 5px; }
    .sticky-cta { left: 15px; right: 15px; max-width: none; bottom: 15px; grid-template-columns: 1fr auto; }
    .sticky-cta__icon { display: none; }
    .sticky-cta__text { display: block; }
    .sticky-cta__text h4 { font-size: 1rem; }
    .sticky-cta__text p { display: none; }
    .cta-widget-btn { width: auto; padding: 8px 16px; font-size: 0.9rem; }
    .sticky-cta.visible + .back-to-top.visible { bottom: 100px; }
    .lightbox__image { max-width: 95%; max-height: 70%; }
    .lightbox__close { top: 15px; right: 15px; width: 40px; height: 40px; line-height: 40px; font-size: 2rem; }
    .lightbox__prev, .lightbox__next { padding: 5px 10px; font-size: 2rem; }
    .lightbox__prev { left: 10px; }
    .lightbox__next { right: 10px; }
    .policy-section {
        padding: 120px 0 60px;
    }

    .policy-section h1 {
        font-size: 2rem;
    }

    .policy-section h2 {
        font-size: 1.5rem;
    }
}