.fours-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.fours-hero {
    background-color: #122538;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 40px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
    max-height: 90vh;
    display: flex;
    align-items: center;
    min-height: 90vh;
    transition: background-image 0.5s ease, opacity 0.3s ease;
}

.fours-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(18, 37, 56, 0.85) 0%, rgba(0, 0, 0, 0.75) 100%);
    z-index: 1;
}

.fours-hero-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 800px;
}

.fours-hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}

.fours-hero-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.3;
    color: #fff;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.fours-hero-text {
    font-size: 18px;
    margin-bottom: 0;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
}

.fours-btn-primary {
    background-color: #F6851D;
    color: #fff;
    padding: 12px 30px;
    border: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    display: inline-block;
    text-decoration: none;
}

.fours-btn-primary:hover {
    background-color: #fff;
    color: #F6851D;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(246, 133, 29, 0.4);
}

.fours-hero-content .fours-btn-primary {
    margin-top: 30px;
    align-self: flex-start;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.4);
}

/* Sections */
section {
    padding: 80px 0;
}

.fours-section-title {
    font-size: 42px;
    color: #122538;
    text-align: center;
    margin-bottom: 60px;
    font-weight: bold;
    position: relative;
}

/* About Section */
.fours-about {
    background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
    padding: 100px 0;
}

.fours-about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.fours-about-main {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.fours-about-subtitle {
    font-size: 52px;
    font-weight: 800;
    color: #122538;
    margin-bottom: 10px;
    letter-spacing: 8px;
    display: inline-block;
}

.fours-about-subtitle span {
    display: inline-block;
    animation: fours-letter-bounce 3s infinite ease-in-out;
}

.fours-about-subtitle span:nth-child(1) {
    animation-delay: 0s;
}

.fours-about-subtitle span:nth-child(2) {
    animation-delay: 0.4s;
}

.fours-about-subtitle span:nth-child(3) {
    animation-delay: 0.8s;
}

.fours-about-subtitle span:nth-child(4) {
    animation-delay: 1.2s;
}

.fours-about-subtitle span:nth-child(5) {
    animation-delay: 1.6s;
}

.fours-about-subtitle span:nth-child(6) {
    animation-delay: 2s;
}

.fours-about-subtitle span:nth-child(7) {
    animation-delay: 2.4s;
}

.fours-about-subtitle span:nth-child(8) {
    animation-delay: 2.8s;
}

.fours-text-large {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.6;
    color: #122538;
    margin-bottom: 0;
}

.fours-about-main p {
    font-size: 17px;
    line-height: 1.8;
    color: #000;
    margin-bottom: 0;
}

.fours-about-features {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.fours-about-feature {
    background-color: #fff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateX(100px);
}

.fours-about-feature.fours-slide-in {
    opacity: 1;
    transform: translateX(0);
    animation: fours-slide-in-right 1s ease-out forwards;
}

.fours-about-feature.fours-slide-in:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.fours-about-feature-title {
    font-size: 22px;
    font-weight: 700;
    color: #122538;
    margin-bottom: 15px;
}

.fours-about-feature p {
    font-size: 16px;
    line-height: 1.8;
    color: #000;
    margin: 0;
}

/* Services Section */
.fours-services {
    background: linear-gradient(180deg, #122538 0%, #0d1a28 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.fours-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.fours-services-content {
    display: grid;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.fours-service-text-block {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    padding: 60px;
    border-radius: 20px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.fours-service-text-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.7) 100%);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.fours-service-text-block::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.fours-service-text-block:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.04) 100%);
}

.fours-service-text-block:hover::before {
    transform: scaleY(1);
}

.fours-service-text-block:hover::after {
    opacity: 1;
}

.fours-service-number {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 72px;
    font-weight: 900;
    color: #fff;
    opacity: 0.1;
    line-height: 1;
    z-index: 0;
    user-select: none;
}

.fours-services .fours-section-title {
    color: #fff;
}

.fours-service-title {
    font-size: 24px;
    color: #fff;
    margin-bottom: 25px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
    position: relative;
    padding-left: 20px;
}

.fours-service-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0.7) 100%);
    border-radius: 2px;
}

.fours-service-text-block p {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.fours-service-text-block p:last-child {
    margin-bottom: 0;
}

.fours-service-text-block p:first-of-type {
    font-weight: 500;
    color: #fff;
}

.fours-service-link {
    color: #F6851D;
    text-decoration: underline;
    text-decoration-color: rgba(246, 133, 29, 0.5);
    text-underline-offset: 3px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.fours-service-link:hover {
    color: #ff9d3d;
    text-decoration-color: #F6851D;
    text-underline-offset: 5px;
}

/* Additional Info Section */
.fours-additional-info {
    background: linear-gradient(180deg, #122538 0%, #0d1a28 100%);
    color: #fff;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.fours-additional-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.fours-additional-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.fours-additional-content p {
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 25px;
    text-align: justify;
}

.fours-additional-content p:last-child {
    margin-bottom: 0;
}

/* Advantages Section */
.fours-advantages {
    background: linear-gradient(180deg, #122538 0%, #0d1a28 100%);
    color: #fff;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.fours-advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.fours-advantages .fours-section-title {
    color: #fff;
    margin-bottom: 60px;
}

.fours-advantages-content {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Booklet Styles */
.fours-booklet-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    overflow: hidden;
}

.fours-booklet-container {
    position: relative;
    width: 100%;
    min-height: 700px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.5),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.fours-booklet-spread {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.fours-booklet-spread.fours-booklet-active {
    opacity: 1;
    visibility: visible;
    z-index: 5;
}

.fours-booklet-page {
    position: relative;
    width: 50%;
    height: 100%;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.08) 100%);
    box-shadow:
        inset 0 0 30px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.fours-booklet-page-left {
    border-radius: 8px 0 0 8px;
    border-right: 2px solid rgba(0, 0, 0, 0.2);
}

.fours-booklet-page-right {
    border-radius: 0 8px 8px 0;
}

.fours-booklet-page-empty {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.fours-booklet-content {
    padding: 50px 40px 120px 40px;
    min-height: calc(100% - 60px);
    max-height: calc(100% - 60px);
    overflow: hidden;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.fours-booklet-page-number-wrapper {
    position: absolute;
    bottom: 20px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}

.fours-booklet-page-left .fours-booklet-page-number-wrapper {
    left: 25px;
    right: auto;
    flex-direction: row;
}

.fours-booklet-page-right .fours-booklet-page-number-wrapper {
    right: 25px;
    flex-direction: row-reverse;
}

.fours-booklet-page-number-left,
.fours-booklet-page-number-right {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    padding: 8px 14px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.15) 100%);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    animation: fours-page-number-pulse 2s infinite ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 35px;
}

.fours-booklet-page-num {
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
}

.fours-booklet-page-hint {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-transform: lowercase;
    letter-spacing: 0.5px;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
}

.fours-booklet-page-hint:hover {
    color: #fff;
    opacity: 1;
}

.fours-booklet-page-number-left:hover,
.fours-booklet-page-number-right:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, rgba(255, 255, 255, 0.25) 100%);
    border-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4), 0 0 30px rgba(255, 255, 255, 0.2);
    animation: none;
}

@keyframes fours-page-number-pulse {

    0%,
    100% {
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 255, 255, 0.1);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4), 0 0 35px rgba(255, 255, 255, 0.25);
        transform: scale(1.05);
    }
}

.fours-booklet-content::-webkit-scrollbar {
    width: 8px;
}

.fours-booklet-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.fours-booklet-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.fours-booklet-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.fours-booklet-content p {
    font-size: 15px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 15px;
    text-align: justify;
    break-inside: avoid;
    page-break-inside: avoid;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
}

.fours-booklet-content p:last-child {
    margin-bottom: 0;
}


/* Projects Section */
.fours-projects {
    background-color: #fff;
    padding: 120px 0;
}

.fours-projects-content {
    display: grid;
    gap: 80px;
}

.fours-project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.fours-project-item:nth-child(even) {
    direction: rtl;
}

.fours-project-item:nth-child(even)>* {
    direction: ltr;
}

.fours-project-image {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.fours-project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    will-change: transform;
    min-height: 400px;
}

.fours-project-image:hover .fours-project-img {
    transform: scale(1.1);
}

.fours-project-text-block {
    background-color: #f8f8f8;
    padding: 50px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.fours-project-text-block:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.fours-project-title {
    font-size: 32px;
    color: #122538;
    margin-bottom: 25px;
    font-weight: 800;
    line-height: 1.3;
}

.fours-project-text-block p {
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 20px;
    color: #2c3e50;
}

.fours-project-text-block p:last-child {
    margin-bottom: 0;
}

/* Process Section */
.fours-process {
    background: linear-gradient(135deg, #f8f8f8 0%, #fff 100%);
}

.fours-process-content {
    display: grid;
    gap: 30px;
}

.fours-process-text-block {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    border-left: 4px solid #F6851D;
    position: relative;
    transition: all 0.3s ease;
}

.fours-process-text-block:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.fours-process-title {
    font-size: 24px;
    color: #122538;
    margin-bottom: 15px;
    font-weight: bold;
}

.fours-process-text-block p {
    font-size: 16px;
    line-height: 1.8;
}

/* Contact Section */
.fours-contact {
    background-color: #122538;
    color: #fff;
}

.fours-contact .fours-section-title {
    color: #fff;
}

.fours-contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.fours-contact-text-block {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 10px;
}

.fours-contact-text-block .fours-text-large {
    color: #fff;
    font-size: 22px;
    margin-bottom: 20px;
}

.fours-contact-text-block p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.fours-contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.fours-form-input,
.fours-form-textarea {
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.fours-form-input::placeholder,
.fours-form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.fours-form-input:focus,
.fours-form-textarea:focus {
    outline: none;
    border-color: #F6851D;
    background-color: rgba(255, 255, 255, 0.15);
}

.fours-form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Animations */
@keyframes fours-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes fours-float {

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

    50% {
        transform: translateY(-20px);
    }
}

@keyframes fours-float-image {

    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0, -15px, 0);
    }
}

@keyframes fours-rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.fours-animate-fade-in {
    animation: fours-fadeIn 1s ease-in;
}

.fours-animate-fade-in-delay {
    animation: fours-fadeIn 1s ease-in 0.3s both;
}

.fours-animate-bounce {
    animation: fours-bounce 2s infinite;
}

@keyframes fours-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes fours-bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@keyframes fours-letter-bounce {

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

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

@keyframes fours-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

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

@keyframes fours-slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }

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

.fours-service-text-block {
    opacity: 0;
}

.fours-service-text-block.fours-slide-in-left {
    animation: fours-slide-in-left 0.8s ease-out forwards;
}

.fours-service-text-block.fours-slide-in-right {
    animation: fours-slide-in-right 0.8s ease-out forwards;
}

/* Responsive */
@media (max-width: 1200px) {

    .fours-hero-wrapper {
        max-width: 100%;
    }

    .fours-about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .fours-about-content,
    .fours-contact-content {
        grid-template-columns: 1fr;
    }

    .fours-advantages {
        padding: 80px 0;
    }

    .fours-booklet-container {
        min-height: 600px;
    }

    .fours-booklet-content {
        padding: 40px;
        column-gap: 30px;
    }

    .fours-booklet-content p {
        font-size: 14px;
    }

    .fours-services {
        padding: 80px 0;
    }

    .fours-services-content {
        gap: 45px;
    }

    .fours-service-text-block {
        padding: 45px;
        border-radius: 16px;
    }

    .fours-service-number {
        font-size: 60px;
        top: 25px;
        right: 25px;
    }

    .fours-service-title {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .fours-service-text-block p {
        font-size: 15px;
        line-height: 1.7;
    }

    .fours-projects {
        padding: 70px 0;
    }

    .fours-projects-content {
        gap: 50px;
    }

    .fours-project-item {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .fours-project-item:nth-child(even) {
        direction: ltr;
    }

    .fours-project-img {
        min-height: 250px;
    }

    .fours-project-text-block {
        padding: 35px;
    }

    .fours-project-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .fours-project-text-block p {
        font-size: 15px;
        line-height: 1.8;
    }

    .fours-hero-title {
        font-size: 36px;
    }

    .fours-hero {
        padding: 30px 0;
        min-height: auto;
    }

    .fours-hero-content {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .fours-hero-wrapper {
        gap: 30px;
    }

    .fours-hero-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .fours-hero-text {
        font-size: 16px;
        margin-bottom: 0;
    }

    .fours-hero {
        padding: 25px 0;
    }

    .fours-hero-content {
        text-align: left;
    }

    .fours-hero-content .fours-btn-primary {
        padding: 10px 20px;
        font-size: 14px;
    }

    .fours-section-title {
        font-size: 32px;
    }

    .fours-about {
        padding: 60px 0;
    }

    .fours-about-content {
        gap: 30px;
    }

    .fours-about-subtitle {
        font-size: 38px;
    }

    .fours-text-large {
        font-size: 18px;
    }

    .fours-about-main p {
        font-size: 15px;
    }

    .fours-about-feature {
        padding: 25px;
    }

    .fours-about-feature-title {
        font-size: 20px;
    }

    .fours-about-feature p {
        font-size: 15px;
    }

    .fours-services {
        padding: 60px 0;
    }

    .fours-services-content {
        gap: 35px;
    }

    .fours-service-text-block {
        padding: 35px 25px;
        border-radius: 16px;
    }

    .fours-service-number {
        font-size: 48px;
        top: 20px;
        right: 20px;
    }

    .fours-service-title {
        font-size: 20px;
        margin-bottom: 18px;
        padding-left: 15px;
    }

    .fours-service-title::before {
        width: 3px;
        height: 20px;
    }

    .fours-service-text-block p {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 18px;
    }

    .fours-advantages {
        padding: 60px 0;
    }

    .fours-advantages .fours-section-title {
        margin-bottom: 40px;
    }

    .fours-booklet-container {
        min-height: 550px;
    }

    .fours-booklet-content {
        padding: 30px 25px 70px 25px;
        overflow: visible;
    }

    .fours-booklet-content p {
        font-size: 14px;
        line-height: 1.6;
        text-align: left;
    }

    .fours-booklet-page-number-left,
    .fours-booklet-page-number-right {
        font-size: 12px;
        bottom: 15px;
        padding: 6px 12px;
        min-width: 32px;
    }

    .fours-booklet-page-number-left {
        left: 15px;
    }

    .fours-booklet-page-number-right {
        right: 15px;
    }

    .fours-projects {
        padding: 80px 0;
    }

    .fours-projects-content {
        gap: 60px;
    }

    .fours-project-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .fours-project-item:nth-child(even) {
        direction: ltr;
    }

    .fours-project-img {
        min-height: 300px;
    }

    .fours-project-text-block {
        padding: 40px;
    }

    .fours-project-title {
        font-size: 28px;
    }

    .fours-project-text-block p {
        font-size: 16px;
    }
}

/* Footer */
.fours-footer {
    background: linear-gradient(180deg, #122538 0%, #0a1622 100%);
    color: #fff;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.fours-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, #F6851D 50%, transparent);
}

.fours-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(246, 133, 29, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.fours-footer-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.fours-footer-section {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.fours-footer-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 40px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.fours-footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #F6851D, transparent);
    border-radius: 2px;
}

.fours-footer-contacts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.fours-footer-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    color: #fff;
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
    padding: 22px 25px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.fours-footer-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(246, 133, 29, 0.25), transparent);
    transition: left 0.6s ease;
}

.fours-footer-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #F6851D, rgba(246, 133, 29, 0.5));
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fours-footer-link:hover::after {
    transform: scaleY(1);
}

.fours-footer-link:hover {
    color: #fff;
    background: linear-gradient(135deg, rgba(246, 133, 29, 0.2) 0%, rgba(246, 133, 29, 0.1) 100%);
    border-color: #F6851D;
    transform: translateY(-5px) translateX(5px);
    box-shadow: 0 10px 30px rgba(246, 133, 29, 0.4);
}

.fours-footer-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(246, 133, 29, 0.3) 0%, rgba(246, 133, 29, 0.15) 100%);
    border: 2px solid rgba(246, 133, 29, 0.4);
    border-radius: 12px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.fours-footer-link:hover .fours-footer-icon {
    background: linear-gradient(135deg, #F6851D 0%, rgba(246, 133, 29, 0.8) 100%);
    border-color: #F6851D;
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 5px 15px rgba(246, 133, 29, 0.5);
}

/* WhatsApp Icon */
.fours-footer-link-whatsapp .fours-footer-icon::before {
    content: '';
    width: 22px;
    height: 22px;
    border: 2.5px solid #fff;
    border-radius: 50%;
    position: absolute;
    box-sizing: border-box;
}

.fours-footer-link-whatsapp .fours-footer-icon::after {
    content: '';
    width: 11px;
    height: 2.5px;
    background: #fff;
    position: absolute;
    bottom: 8px;
    right: 8px;
    transform: rotate(45deg);
    border-radius: 1px;
}

/* Email Icon */
.fours-footer-link-email .fours-footer-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-bottom: 14px solid #fff;
    position: absolute;
    top: 7px;
}

.fours-footer-link-email .fours-footer-icon::after {
    content: '';
    width: 18px;
    height: 13px;
    border: 2.5px solid #fff;
    border-top: none;
    position: absolute;
    top: 13px;
    box-sizing: border-box;
    border-radius: 0 0 3px 3px;
}

/* Phone Icon */
.fours-footer-link-phone .fours-footer-icon::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2.5px solid #fff;
    border-radius: 5px;
    position: absolute;
    box-sizing: border-box;
}

.fours-footer-link-phone .fours-footer-icon::after {
    content: '';
    width: 9px;
    height: 9px;
    border: 2.5px solid #fff;
    border-top: none;
    border-left: none;
    position: absolute;
    top: 2px;
    right: 2px;
    border-radius: 0 0 5px 0;
    box-sizing: border-box;
}

.fours-footer-text {
    flex: 1;
    text-align: left;
    line-height: 1.6;
    letter-spacing: 0.3px;
}

@media (max-width: 768px) {
    .fours-footer {
        padding: 60px 0 40px;
    }

    .fours-footer-content {
        gap: 30px;
    }

    .fours-footer-title {
        font-size: 24px;
        margin-bottom: 30px;
        letter-spacing: 1px;
    }

    .fours-footer-title::after {
        width: 60px;
        height: 3px;
    }

    .fours-footer-contacts {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 30px;
    }

    .fours-footer-link {
        font-size: 15px;
        padding: 18px 20px;
        gap: 15px;
    }

    .fours-footer-link:hover {
        transform: translateY(-3px);
    }

    .fours-footer-icon {
        width: 42px;
        height: 42px;
        min-width: 42px;
        border-radius: 10px;
    }

    .fours-footer-link:hover .fours-footer-icon {
        transform: scale(1.1);
    }

    .fours-footer-text {
        font-size: 14px;
    }
}