/* CSS Variables */
:root {
    --c1: #F8F8F8;
    --c2: #373435;
    --c3: #FFFFFF;
    --c4: #D9D9D9;
    --c5: #F5D009;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    background-color: white;
    color: var(--c2);
    line-height: 1.6;
    direction: rtl;
    text-align: right;
}

.container {
    max-width: 1169px;
    margin: 0 auto;
}

h1 {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: bold;
    color: var(--c2);
    margin-bottom: 20px;
}

p {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: normal;
    color: var(--c2);
    margin-bottom: 15px;
}

/* Header Styles */
.header {
    padding: 20px 0;
    position: relative;
    background: var(--c3);
}

.header-container {
    max-width: 1169px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;

    position: relative;
}

/* Hamburger Menu Button */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1000;
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
}

/* Mobile Menu Backdrop */
.mobile-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--c2);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* Contact Information */
.contact-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-direction: row-reverse;
    justify-self: end;
    border-bottom: 1px solid #EEEEEE;
    padding-bottom: 5px;
    line-height: 21px;
    min-width: 450px;
}

.phone-icon {
    color: var(--c2);
}
a{
    text-decoration: none;}
.phone-number ,#phone-number{
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: normal;
    color: var(--c2);
    font-size: 18px;
    text-decoration: none;
    font-weight: 700;
}

/* Logo */
.logo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-emblem {
    width: 60px;
    height: 60px;
    position: relative;
}

.logo-circle {
    width: 100%;
    height: 100%;
    border: 2px solid var(--c2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.logo-triangle {
    width: 30px;
    height: 30px;
    background-color: var(--c2);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-initials {
    color: var(--c3);
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: bold;
    font-size: 16px;
    margin-top: -5px;
}

/* Navigation */
.navigation {
    display: flex;
    align-items: center;
    justify-self: start;
    border-bottom: 1px solid #EEEEEE;
    line-height: 21px;
    padding-bottom: 5px;
    min-width: 450px;
    transition: all 0.3s ease;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: normal;
    color: var(--c2);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--c5);
}

.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 10px;
    margin-left: 5px;

}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}


@keyframes heroBgFloat {

    0%,
    100% {
        transform: scale(1.05) translateY(0px);
    }

    50% {
        transform: scale(1.1) translateY(-10px);
    }
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1169px;
    margin: 0 auto;

}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 80vh;
}

/* Hero Text Content */
.hero-text {
    animation: slideInRight 1s ease-out;
    max-width: 429px;
    margin-top: -137px;
}

.hero-title {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--c5);
    margin-bottom: 0;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-subtitle {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 23px;
    font-weight: 600;
    color: var(--c2);
    margin-bottom: 5px;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-description {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 16px;
    font-weight: 400;
    color: var(--c2);
    line-height: 30px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.7s both;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.btn {
    display: flex;
    align-items: center;
    gap: 14px;
    height: 35px;
    line-height: 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 136px;
    padding: 0 20px;
    border-radius: 20px;
    text-decoration: none;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::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;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--c5);
    color: var(--c2);
    box-shadow: 0 8px 25px rgba(245, 208, 9, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(245, 208, 9, 0.4);
}

.btn-secondary {
    background: var(--c2);
    color: var(--c3);
    border: 2px solid var(--c2);
}

.btn-secondary:hover {
    background: transparent;
    color: var(--c2);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(55, 52, 53, 0.2);
}

.btn-secondary:hover .btn-icon-white {
    filter: brightness(0) invert(0);
    /* Makes the icon dark when hovered */
}

.btn-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.btn-icon-white {
    filter: brightness(0) invert(1);
    /* Makes the icon white */
}

.btn:hover .btn-icon {
    transform: translateX(-5px);
}

/* Hero Visual Content */
.hero-visual {
    animation: slideInLeft 1s ease-out;
}

.hero-images {
    position: relative;
    height: 500px;
}

.hero-image-large {
    position: absolute;
    top: 0;
    left: 0;
    width: 585px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);

    height: 330px;
}

.hero-image-small {
    position: absolute;
    bottom: 111px;
    right: -129px;
    height: 186px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.25);

}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hero-image-large:hover .hero-img,
.hero-image-small:hover .hero-img {
    transform: scale(1.05);
}

@keyframes floatImage {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-15px) rotate(1deg);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Table of Contents Section */
.toc-section {
    padding: 60px 0;
    padding-top: 0;
    padding-bottom: 46px;

}

.toc-card {
    background: transparent;
    border-radius: 12px;
    margin: 0 auto;
    animation: slideInUp 0.8s ease-out;
}

/* TOC Header */
.toc-header {
    background: var(--c1);
    border-radius: 10px;
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--c4);
    margin-bottom: 15px;
}

.toc-title {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-weight: 600;
    font-size: 16px;
    color: var(--c2);
}

.toc-title img {
    width: 20px;
    height: 20px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.toc-title img:hover {
    transform: scale(1.1);
}

.toc-dropdown-icon {
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px;
    border-radius: 4px;
}

.toc-dropdown-icon:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.toc-dropdown-icon:focus {
    outline: 2px solid var(--c5);
    outline-offset: 2px;
}

.toc-dropdown-icon img {
    width: 16px;
    height: 16px;
}

/* TOC Content */
.toc-content {
    padding: 20px 43px;
    background: var(--c3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-item {
    transition: all 0.3s ease;
}

.toc-item:last-child .toc-link {
    margin-bottom: 0;
}

.toc-link {
    display: block;
    text-decoration: none;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 15px;
    font-weight: 400;
    color: black;

    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    margin-bottom: 11px;
}

.toc-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;

    transition: left 0.5s;
}

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

.toc-link:hover {

    transform: translateX(-5px);
    color: var(--c5);
}



/* TOC Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Colored Cover Brands Section */
.brands-section {
    padding: 80px 0;
    padding-top: 0;

}

.section-header {
    text-align: right;
    margin-bottom: 23px;
    animation: fadeInUp 0.8s ease-out;

}

.section-title {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--c2);
    margin-bottom: 20px;
}

/* Featured Brands */
.featured-brands {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 26px;
}

.brand-card.featured {
    background: #F5D009;
    background: linear-gradient(180deg, rgba(245, 208, 9, 1) 0%, rgba(245, 208, 9, 0.5) 100%);
    border-radius: 15px;
    padding: 15px;
    box-shadow: 0 15px 40px rgba(245, 208, 9, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInUp 0.8s ease-out;

}

.brand-card-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 21px;
    align-items: flex-start;
    max-height: 200px;
    margin-bottom: 20px;
}

.brand-card.featured:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(245, 208, 9, 0.3);
}

.brand-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.brand-header {
    margin-bottom: 5px;
}

.brand-name {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 24px;
    font-weight: 700;
}

.brand-name::before {
    content: "نام برند: ";
    font-weight: 500;
    font-size: 18px;
}

.brand-flag {
    display: flex;
    align-items: center;
    position: absolute;
    top: 8px;
    right: 7px;
    z-index: 2;
}

.brand-flag img {
    width: 23px;
    height: 23px;
}

.brand-description {
    font-size: 13px;
    line-height: 30px;
    text-align: justify;
}


.detail-item {
    display: flex;
    align-items: center;
    gap: 5px;
    line-height: 29px;
}

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

.brand-header::after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background: repeating-linear-gradient(to right,
    transparent,
    transparent 4px,
    rgba(255, 255, 255, 1) 4px,
    rgba(255, 255, 255, 1) 8px);
}

.detail-label {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--c2);
}

.detail-value {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--c2);
}

.brand-image {

    border-radius: 12px;
    overflow: hidden;
    height: 200px;
    background: var(--c3);
    padding: 20px;
    position: relative;
    flex-grow: 1;

}

.brand-content {
    flex-grow: 2;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand-card:hover .product-img {
    transform: scale(1.05);
}

.brand-description {
    margin-bottom: 25px;
}

.brand-description p {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--c2);
    opacity: 0.8;
}

.brand-action {
    text-align: right;
    margin-top: auto;
    height: 33px;

}

.btn-brand {
    background: var(--c3);
    color: var(--c2);
    border: none;
    padding: 0 24px;
    min-width: 196px;
    border-radius: 25px;
    text-align: center;
    height: 33px;
    line-height: 33px;
    border: 1px solid var(--c4);
    background-color: var(--c1);
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-brand:hover {
    background: var(--c2);
    border: 1px solid var(--c2);
    color: var(--c3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(55, 52, 53, 0.3);
}

/* Regular Brands */
.regular-brands {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 46px;
}

.brand-card.regular {
    background: var(--c3);
    border-radius: 15px;
    display: flex;
    gap: 12px;
    padding: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInUp 0.8s ease-out 0.2s both;
    max-height: 227px;

}

.brand-card.regular:nth-child(2) {
    animation-delay: 0.4s;
}

.brand-card.regular:nth-child(3) {
    animation-delay: 0.6s;
}

.brand-card.regular:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.brand-card.regular .brand-name {
    font-size: 20px;
    font-weight: 700;
    line-height: 32px;
    border-bottom: 1px dashed #D6D6D6;
}

.brand-card.regular .brand-image {
    height: 100%;
    border-radius: 15px;
    height: 100%;
    background: var(--c1);
    flex-grow: 1;

}


.brand-card.regular .detail-item {
    font-size: 13px;
    line-height: 31px;
}

.brand-card.regular .detail-label,
.brand-card.regular .detail-value {
    font-size: 14px;
}

/* Brands Table */
.brands-table-container {


    overflow: hidden;

    animation: slideInUp 0.8s ease-out 0.8s both;
}

.brands-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brands-table thead {
    background: var(--c4);
    height: 45px;
    line-height: 45px;
    text-align: center;
    border-radius: 8px;
}

.brands-table thead tr {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
}

.brands-table th {

    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: var(--c2);

}

.brands-table td {

    text-align: center;
    font-size: 15px;
    color: var(--c2);

    vertical-align: middle;
}

.brands-table tbody{
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brands-table tbody tr {
    transition: background-color 0.3s ease;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    background-color: var(--c1);
    border-radius: 8px;
    height: 45px;
    line-height: 45px;

}

.brands-table tbody tr td:first-child {
    font-size: 18px;
}

.brands-table tbody tr:hover {
    background-color: rgba(245, 208, 9, 0.05);
}

.brands-table tbody tr td:nth-child(4) .price-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--c2);
    padding: 0 2px;
}

.brands-table tbody tr td:nth-child(4){
    font-size: 11px;

}

.brands-table tbody tr:last-child td {
    border-bottom: none;
}

.brands-table tbody tr td:last-child {
    display: flex;
    justify-content: center;
    align-items: center;
}

.brands-table td img {
    width: 23px;
    height: 23px;


}

/* Installation Centers Section */
.installation-section {
    padding: 129px 0;
    padding-top: 0;

}

.installation-centers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 21px;
}

.installation-card {
    background: var(--c3);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideInUp 0.8s ease-out;
    border-bottom: 2px solid var(--c5);
    padding: 9px;
}

.installation-card:nth-child(2) {
    animation-delay: 0.2s;
}

.installation-card:nth-child(3) {
    animation-delay: 0.4s;
}

.installation-card:nth-child(4) {
    animation-delay: 0.6s;
}

.installation-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.installation-image {
    width: 100%;
    height: 170px;
    overflow: hidden;
    border-radius: 15px;
}

.center-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.installation-card:hover .center-img {
    transform: scale(1.05);
}

.installation-content {
    padding: 15px;
    padding-top: 13px;
}

.center-name {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--c2);
    text-align: center;
    line-height: 28px;
    padding-bottom: 9px;
    margin-bottom: 9px;
    position: relative;
}

.center-name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, rgba(207, 206, 206, 0) 0%, rgba(207, 206, 206, 1) 50%, rgba(207, 206, 206, 0) 100%);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border-bottom: 1px dashed #CFCECE;
    padding: 4px 0;

}

.contact-info-item:last-child {
    border-bottom: none;
    flex-direction: column;
}

.contact-info-item:last-child .contact-value{
    font-size: 13px;
    text-align: justify;
    font-weight: 400;
    line-height: 20px;
    margin-top: -10px
;
}
.contact-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 13px;
    line-height: 30px;
    font-weight: 600;
    color: var(--c2);
}

.contact-icon {


}

.contact-value {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--c2);
    line-height: 30px;
    text-align: left;
    flex-grow: 1;
}

/* Climate Challenge Section */
.climate-section {
    padding: 49px 0;
    padding-top: 0;

}

.climate-card {
    background: var(--c5);
    border-radius: 20px;
    padding: 48px 111px 38px 0;
    margin: 0 auto;
    position: relative;

    box-shadow: 0 15px 40px rgba(245, 208, 9, 0.2);
    animation: slideInUp 0.8s ease-out;
    max-width: 946px;
    max-height: 206px;
}

.quote-icon-prev {
    position: absolute;
    top: 0;
    right: -74px;

}

.quote-icon-next {
    position: absolute;
    top: 0;
    left: -66px;
}

.climate-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.climate-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.04;
    filter: grayscale(100%);
    border-radius: 20px;
}

.climate-content {
    position: relative;
    z-index: 2;

}

.climate-rolls-img {
    position: absolute;
    bottom: -38px;
    left: 0;

}

.climate-text {
    max-width: 366px;
    position: relative;
}

.climate-text p {
    text-align: right;
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--c2);
    line-height: 30px;
    position: relative;
    margin: 0;
}

.diagonal-curve-img {
    position: absolute;
    bottom: -38px;
    left: 0;

}



.climate-rolls {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.roll {
    width: 25px;
    height: 80px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    animation: rollFloat 3s ease-in-out infinite;
}

.roll::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #1a1a1a;
    border-radius: 50%;
}

.roll-blue {
    background: linear-gradient(135deg, #0066cc, #0099ff);
    animation-delay: 0s;
}

.roll-silver {
    background: linear-gradient(135deg, #c0c0c0, #e0e0e0);
    animation-delay: 0.2s;
}

.roll-dark {
    background: linear-gradient(135deg, #2d2d2d, #4a4a4a);
    animation-delay: 0.4s;
}

.roll-red {
    background: linear-gradient(135deg, #cc0000, #ff3333);
    animation-delay: 0.6s;
}

.roll-orange {
    background: linear-gradient(135deg, #ff6600, #ff9933);
    animation-delay: 0.8s;
}

@keyframes rollFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-8px) rotate(2deg);
    }
}

/* Content Section */
.content-section {
    padding: 80px 0;
    margin-top:38px;
    padding-top: 0;

}

.content-title {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 25px;
    font-weight: 800;
    color: var(--c2);
    margin-bottom: 10px;
}

.content-text {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: var(--c2);
}

.text-block p{
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 13px;
    font-weight: 400;
    color: var(--c2);
    line-height: 30px;
    text-align: justify;
}

/* Credibility Section */
.credibility-section {
    padding: 80px 0;
    padding-top: 0;
    background: var(--c3);
}

.credibility-header {
    text-align: center;
    margin-bottom: 60px;
}

.credibility-title {
    font-family: 'yekanbakh', 'Arial', sans-serif;
    font-size: 25px;
    font-weight: 800;
    color: var(--c2);
    margin: 0;
    line-height: 1.4;
}

.credibility-content {
    max-width: 1169px;
    margin: 0 auto;
    position: relative;
    height: 124px;
}

.partners-container {
    position: relative;


    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 22px;
    animation: slideInUp 0.8s ease-out;
}

.partner-card {
    flex: 1;
    max-width: 178px;
    max-height: 124px;

    border-radius: 20px;

    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

}

.partner-card:hover {
    transform: translateY(-5px);

}

.partners-container{
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.gray-box{
    background: var(--c1);
    border-radius: 10px;
    height: 128px;
    width: 108%;
    position: absolute;
    bottom: -51px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}



/* Text colors for dark backgrounds */
.partner-card:nth-child(3) .partner-text h3,
.partner-card:nth-child(3) .partner-text p,
.partner-card:nth-child(4) .partner-text h3,
.partner-card:nth-child(4) .partner-text p,
.partner-card:nth-child(5) .partner-text h3,
.partner-card:nth-child(5) .partner-text p {
    color: white;
}

/* ========================================
   RESPONSIVE DESIGN - ALL MEDIA QUERIES
   ======================================== */



/* Tablets and Mobile (max-width: 1024px) */
@media (max-width: 1024px) {
    /* Hero Section */


    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        min-height: unset !important;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-images {
        height: 400px;
    }

    .hero-image-large {
        width: 300px;
        height: 300px;
    }

    .hero-image-small {
        width: 200px;
        height: 200px;
    }

    /* Brands Section */
    .featured-brands {

        gap: 30px;
    }

    .regular-brands {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .brands-table {
        font-size: 13px;
    }

    /* Installation Centers */
    .installation-centers-grid {
        grid-template-columns: 1fr 1fr;
        gap: 25px;
    }

    /* Climate Section */
    .climate-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .climate-text {
        text-align: center;
        margin-right: 90px;
        max-width: 313px;
    }

    .climate-rolls {
        justify-content: center;
    }

    /* Credibility Section */
    .partners-container {
        flex-wrap: wrap;
        gap: 20px;
        padding: 30px;
    }

    .partner-card {
        flex: 1 1 calc(50% - 20px);
        min-width: 200px;
    }

    /* Header */
    .header-container {
        justify-content: space-between;
        padding: 0 60px 0 20px;
        position: relative;
    }

    /* Hamburger Menu */
    .hamburger-menu {
        display: flex !important;
        position: absolute;
        top: 50%;
        right: 20px;
        transform: translateY(-50%);
        z-index: 1001;
        background: rgba(255, 255, 255, 0.9);
        border-radius: 4px;
        padding: 5px;
    }

    /* Navigation */
    .navigation {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: var(--c3);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
        z-index: 999;
        transition: left 0.3s ease;
        border-bottom: none;
        min-width: auto;
        padding: 80px 20px 20px;
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
    }

    .navigation.nav-open {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-list li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 15px 0;
        font-size: 16px;
        font-weight: 500;
        border-bottom: none;
    }

    .nav-link:hover {
        background: var(--c1);
        padding-right: 10px;
        border-radius: 5px;
    }

    /* Logo */
    .logo {
        flex: 1;
        display: flex;
        justify-content: center;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }

    /* Contact Info */
    .contact-info {
        min-width: auto;
        border-bottom: none;
        padding-bottom: 0;
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    .header-container{
        min-height: 40px;
    }

    .header{
        margin-bottom: 60px;
    }

    .phone-number {
        font-size: 14px;
    }

    /* TOC Section */
    .toc-section {
        padding: 40px 20px;
    }

    .toc-card {
        max-width: 100%;
    }

    .toc-header {
        padding: 15px 20px;
    }

    .toc-content {
        padding: 15px 20px;
    }

    .toc-title {
        font-size: 14px;
    }

    .toc-link {
        font-size: 13px;
        padding: 10px 14px;
    }

    /* Hero Section */
    .hero {
        min-height: unset !important;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-images {
        height: 300px;
    }

    .hero-image-large {
        width: 100%;

    }

    .hero-image-small {
        width: 238px;
        height: 150px;
        right: 50%;
        transform: translateX(50%);
        bottom: -75px;
    }

    .hero-content{
        padding-bottom: 75px;
    }

    /* Brands Section */
    .brands-section {
        padding: 60px 20px;
    }

    .section-title {
        font-size: 24px;
    }

    .regular-brands {
        gap: 20px;
    }

    .brand-card.featured,
    .brand-card.regular {
        padding: 20px;
    }

    .brand-name {
        font-size: 20px;
        text-align: center;
    }

    .brand-card.regular .brand-name {
        font-size: 18px;
    }

    .brands-table-container {
        overflow-x: auto;
    }

    .brands-table {
        min-width: 600px;
    }

    .brands-table th,
    .brands-table td {

        font-size: 12px;
    }

    .brands-table tbody tr td{
        text-wrap: nowrap;
    }

    /* Installation Centers */
    .installation-section {
        padding: 60px 20px;
    }

    .installation-content {
        padding: 15px;
    }

    .center-name {
        font-size: 18px;
        margin-bottom: 15px;
    }

    .contact-label {
        font-size: 13px;
        min-width: 100px;
    }

    .contact-value {
        font-size: 13px;
    }

    /* Climate Section */
    .climate-section {
        padding: 60px 20px;
    }

    .climate-card {
        padding: 30px 20px;
    }

    .climate-main-text,
    .climate-problem-text,
    .climate-solution-text {
        font-size: 16px;
    }

    .climate-sub-text {
        font-size: 14px;
    }

    .roll {
        width: 20px;
        height: 60px;
    }

    .roll::before {
        width: 6px;
        height: 6px;
        top: 6px;
    }

    /* Credibility Section */
    .credibility-section {
        padding: 60px 0;
    }

    .credibility-title {
        font-size: 24px;
    }

    .credibility-header {
        margin-bottom: 40px;
    }

    .partners-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 25px;
        gap: 15px;
        padding-bottom: 100px;
    }

    .partner-card {
        flex: 1 1 100%;
        padding: 20px 15px;
    }

    .partner-text h3 {
        font-size: 16px;
    }

    .partner-text p {
        font-size: 11px;
    }

    .partner-icon {
        width: 50px;
        height: 50px;
    }

    .hero-container{
        padding-left: 20px;
        padding-right: 20px;
    }

    .brand-card-header{
        grid-template-columns: 1fr;
        max-height: unset !important;
        align-items: center;
    }

    .detail-item{
        justify-content: center;
    }

    .brand-action{
        text-align: center;
    }

    .diagonal-curve-img{
        display: none;
    }

    .climate-rolls-img{
        left: -20px;
        bottom: -30px;
    }

    .climate-text p{
        font-size: 16px;
    }

    .content-block{
        padding-left: 20px;
        padding-right: 20px;
    }

    .gray-box{
        top: 100px;
        bottom: unset !important;
        width: 65%;
        height: 390px;
        max-width: 580px;
    }

    .hero-text{
        margin-top: 0;
        margin-right: auto;
        margin-left: auto;
    }

    .credibility-content{
        min-height: 530px;
    }
}

@media (max-width: 800px) {
    .regular-brands{
        grid-template-columns: 1fr;
    }

    .climate-rolls-img,
    .quote-icon-prev,
    .quote-icon-next{
        display: none;
    }

    .climate-text{
        margin-right: 0;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 543px) {
    /* Header */
    .header-container {
        padding: 0 15px;
    }

    .navigation {
        width: 100%;
        left: -100%;
    }

    .nav-link {
        font-size: 18px;
        padding: 18px 0;
    }

    .phone-number {
        font-size: 13px;
    }

    .logo-emblem {
        width: 50px;
        height: 50px;
    }

    /* Credibility Section */
    .credibility-section {
        padding: 40px 0;
    }

    .credibility-title {
        font-size: 20px;
    }

    .partners-container {
        padding: 20px;
    }

    .partner-card {
        padding: 15px 10px;
    }

    .partner-text h3 {
        font-size: 14px;
    }

    .partner-text p {
        font-size: 10px;
    }

    .partner-icon {
        width: 40px;
        height: 40px;
    }

    .featured-brands{
        grid-template-columns: 1fr;
    }



    .installation-centers-grid{
        grid-template-columns: 1fr;
    }



    .partners-container{
        grid-template-columns: 1fr;
        padding-bottom: 100px;
    }

    .gray-box{
        max-width: 280px;
        height: 780px;
    }

    .credibility-content{
        min-height: 940px;
    }
}

.other-cities-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    font-weight: bold;
    color: #222;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    color: #555;
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.city-card {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: #222;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.city-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.city-card p {
    font-size: 14px;
    color: #777;
}

.city-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}