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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: white;
    color: #000;
    overflow-x: hidden;
}

/* Navigation */
.nav-section {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #0d1f08;
    padding: 20px 50px;
    z-index: 1000;
}

.nav-contents {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-brand {
    color: #f2f2f2;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: -0.39px;
    transition: opacity 0.3s;
}

.nav-brand:hover {
    opacity: 0.8;
}

.back-to-echoo-btn {
    color: #f2f2f2;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: -0.39px;
    padding: 6px 12px;
    border: 1px solid rgba(242, 242, 242, 0.3);
    border-radius: 4px;
    transition: all 0.3s;
    white-space: nowrap;
}

.back-to-echoo-btn:hover {
    background: rgba(242, 242, 242, 0.1);
    border-color: rgba(242, 242, 242, 0.5);
}

.nav-links {
    display: flex;
    gap: 37px;
    align-items: center;
}

.nav-link {
    color: #f2f2f2;
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: -0.39px;
    transition: opacity 0.3s;
}

.nav-link:hover {
    opacity: 0.8;
}

/* Header Section */
.header-section {
    position: relative;
    width: 100%;
    height: 800px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 25px 50px 70px;
    background-size: cover;
    background-position: center;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.header-content {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    width: 100%;
    margin: 0 auto;
}

.header-title {
    font-size: 120px;
    font-weight: 400;
    color: #f2f2f2;
    letter-spacing: -3.6px;
    line-height: 0.95;
    margin-bottom: 78px;
}

.header-subtitle {
    font-size: 32px;
    font-weight: 500;
    color: #f2f2f2;
    letter-spacing: -1.6px;
    line-height: 1.09;
    max-width: 623px;
}

/* Welcome Section */
.welcome-section {
    background: #f7f4eb;
    padding: 135px 152px 178px;
}

.welcome-content {
    max-width: 1180px;
    margin: 0 auto;
}

.section-title {
    font-size: 32px;
    font-weight: 500;
    color: #000;
    letter-spacing: -1.6px;
    line-height: 1.09;
    margin-bottom: 60px;
}

.welcome-body {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.welcome-paragraphs {
    display: flex;
    gap: 48px;
    max-width: 942px;
}

.welcome-paragraphs p {
    flex: 1;
    font-size: 18px;
    font-weight: 400;
    color: #000;
    letter-spacing: -0.36px;
    line-height: 1.35;
}

.btn-dark {
    background: #31110f;
    color: white;
    border: none;
    border-radius: 500px;
    padding: 18px 24px;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.36px;
    cursor: pointer;
    transition: opacity 0.3s;
    align-self: flex-start;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-dark:hover {
    opacity: 0.9;
}

/* Offering Section */
.offering-section {
    background: #0d1f08;
    padding: 93px 152px 126px 152px;
    min-height: 1578px;
}

.offering-content {
    display: flex;
    justify-content: space-between;
    gap: 74px;
}

.offering-subhead {
    flex-shrink: 0;
}

.section-title-alt {
    font-size: 32px;
    font-weight: 500;
    color: #f7f4eb;
    letter-spacing: -1.6px;
    line-height: 1.09;
}

.offering-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 64px;
    max-width: 852px;
}

.offering-items {
    display: flex;
    flex-direction: column;
}

.offering-item {
    font-size: 76px;
    font-weight: 400;
    color: #f7f4eb;
    letter-spacing: -4.56px;
    line-height: 0.95;
    text-transform: capitalize;
    margin-bottom: 72px;
}

.offering-item-more {
    font-size: 76px;
    font-weight: 400;
    color: rgba(255, 240, 196, 0.5);
    letter-spacing: -4.56px;
    line-height: 0.95;
}

.btn-light {
    background: white;
    color: #000;
    border: none;
    border-radius: 500px;
    padding: 18px 24px;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: -0.36px;
    cursor: pointer;
    transition: opacity 0.3s;
    align-self: flex-start;
    min-width: 117px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-light:hover {
    opacity: 0.9;
}

.advantages-content {
    display: flex;
    justify-content: space-between;
    gap: 74px;
    margin-top: 126px;
}

.advantages-left {
    flex-shrink: 0;
}

.advantages-right {
    flex: 1;
    max-width: 852px;
}

.offering-features {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-title {
    font-size: 24px;
    font-weight: 500;
    color: #f7f4eb;
    letter-spacing: -0.72px;
    line-height: 1.2;
}

.feature-description {
    font-size: 18px;
    font-weight: 400;
    color: rgba(247, 244, 235, 0.8);
    letter-spacing: -0.36px;
    line-height: 1.5;
}

/* Image Divider Section */
.image-divider {
    position: relative;
    width: 100%;
    height: 625px;
    background-size: cover;
    background-position: center;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.05);
}

/* Footer Section */
.footer-section {
    background: #f7f4eb;
    padding: 68px 152px;
}

.footer-title {
    font-size: 32px;
    font-weight: 500;
    color: #000;
    letter-spacing: -1.6px;
    line-height: 1.09;
    margin-bottom: 57px;
}

.footer-subhead {
    margin-bottom: 57px;
}

.footer-subhead p {
    font-size: 18px;
    font-weight: 400;
    color: #000;
    letter-spacing: -0.36px;
    line-height: 1.35;
}

.footer-contact {
    display: flex;
    gap: 45px;
    margin-bottom: 57px;
}

.contact-column p {
    font-size: 14px;
    font-weight: 400;
    color: #000;
    line-height: 1.4;
}

.footer-copyright p {
    font-size: 14px;
    font-weight: 400;
    color: #000;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-title {
        font-size: 80px;
        letter-spacing: -2.4px;
    }
    
    .header-subtitle {
        font-size: 24px;
        letter-spacing: -1.2px;
    }
    
    .welcome-section {
        padding: 100px 64px 140px;
    }
    
    .welcome-paragraphs {
        flex-direction: column;
        gap: 32px;
    }
    
    .offering-section {
        padding: 93px 64px 126px;
    }
    
    .offering-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .advantages-content {
        flex-direction: column;
        gap: 40px;
        margin-top: 80px;
    }
    
    .offering-item {
        font-size: 60px;
        letter-spacing: -3.6px;
    }
    
    .offering-item-more {
        font-size: 60px;
        letter-spacing: -3.6px;
    }
    
    .feature-title {
        font-size: 20px;
        letter-spacing: -0.6px;
    }
    
    .feature-description {
        font-size: 16px;
        letter-spacing: -0.32px;
    }
}

@media (max-width: 768px) {
    .nav-section {
        padding: 20px 28px;
    }
    
    .nav-left {
        gap: 12px;
    }
    
    .back-to-echoo-btn {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .header-section {
        height: 500px;
        padding: 25px 28px 48px;
    }
    
    .header-title {
        font-size: 48px;
        letter-spacing: -1.44px;
        margin-bottom: 40px;
    }
    
    .header-subtitle {
        font-size: 18px;
        letter-spacing: -0.9px;
    }
    
    .welcome-section {
        padding: 64px 28px 96px;
    }
    
    .section-title {
        font-size: 24px;
        letter-spacing: -1.2px;
        margin-bottom: 40px;
    }
    
    .welcome-paragraphs p {
        font-size: 16px;
        letter-spacing: -0.32px;
    }
    
    .btn-dark {
        width: 100%;
        text-align: center;
    }
    
    .offering-section {
        padding: 64px 28px 96px;
        min-height: auto;
    }
    
    .section-title-alt {
        font-size: 24px;
        letter-spacing: -1.2px;
    }
    
    .offering-item {
        font-size: 40px;
        letter-spacing: -2.4px;
        margin-bottom: 48px;
    }
    
    .offering-item-more {
        font-size: 40px;
        letter-spacing: -2.4px;
    }
    
    .btn-light {
        width: 100%;
        text-align: center;
    }
    
    .advantages-content {
        margin-top: 64px;
    }
    
    .offering-features {
        gap: 32px;
    }
    
    .feature-title {
        font-size: 18px;
        letter-spacing: -0.54px;
    }
    
    .feature-description {
        font-size: 14px;
        letter-spacing: -0.28px;
    }
    
    .image-divider {
        height: 280px;
    }
    
    .footer-section {
        padding: 48px 28px;
    }
    
    .footer-title {
        font-size: 24px;
        letter-spacing: -1.2px;
        margin-bottom: 40px;
    }
    
    .footer-subhead {
        margin-bottom: 40px;
    }
    
    .footer-subhead p {
        font-size: 16px;
        letter-spacing: -0.32px;
    }
    
    .footer-contact {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .nav-brand {
        font-size: 12px;
    }
    
    .back-to-echoo-btn {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 11px;
    }
    
    .header-section {
        height: 400px;
        padding: 20px 16px 36px;
    }
    
    .header-title {
        font-size: 38px;
        letter-spacing: -1.14px;
        margin-bottom: 30px;
    }
    
    .header-subtitle {
        font-size: 16px;
        letter-spacing: -0.8px;
    }
    
    .welcome-section {
        padding: 48px 20px 72px;
    }
    
    .section-title {
        font-size: 20px;
        letter-spacing: -1px;
        margin-bottom: 32px;
    }
    
    .welcome-paragraphs p {
        font-size: 15px;
        letter-spacing: -0.3px;
    }
    
    .btn-dark {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .offering-section {
        padding: 48px 20px 72px;
    }
    
    .section-title-alt {
        font-size: 20px;
        letter-spacing: -1px;
    }
    
    .offering-item {
        font-size: 32px;
        letter-spacing: -1.92px;
        margin-bottom: 40px;
    }
    
    .offering-item-more {
        font-size: 32px;
        letter-spacing: -1.92px;
    }
    
    .btn-light {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .advantages-content {
        margin-top: 48px;
    }
    
    .offering-features {
        gap: 28px;
    }
    
    .feature-title {
        font-size: 16px;
        letter-spacing: -0.48px;
    }
    
    .feature-description {
        font-size: 14px;
        letter-spacing: -0.28px;
    }
    
    .image-divider {
        height: 220px;
    }
    
    .footer-section {
        padding: 36px 20px;
    }
    
    .footer-title {
        font-size: 20px;
        letter-spacing: -1px;
        margin-bottom: 32px;
    }
    
    .footer-subhead {
        margin-bottom: 32px;
    }
    
    .footer-subhead p {
        font-size: 15px;
        letter-spacing: -0.3px;
    }
    
    .footer-contact {
        flex-direction: column;
        gap: 24px;
        margin-bottom: 32px;
    }
}