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

:root {
    --primary-teal: #0A6CFF; /* anchor blue for contrast */
    --dark-teal: #081B37; /* deep navy for dark sections */
    --light-teal: #E4FAFF; /* soft aqua background */
    --app-blue: #12D8FF; /* cyan accent */
    --accent-lilac: #6A8CFF;
    --text-dark: #0F1F39;
    --text-light: #4D678A;
    --white: #FFFFFF;
    --light-gray: #F0F8FF;
    --border-gray: #D6EDFF;
    --text-on-cyan: #053B63;
    --text-on-cyan-soft: rgba(5, 59, 99, 0.82);
    --nav-active: #078AD6;
    --app-blue-deep: #078AD6;
    --checkmark-color-default: rgba(7, 138, 214, 0.85);
    --gradient-hero: linear-gradient(125deg, #12D8FF 0%, #62E5FF 55%, #2FAEF9 78%, #0A6CFF 100%);
    --gradient-highlight: linear-gradient(130deg, #12D8FF 0%, #59E4FF 60%, #1E7BFF 100%);
    --gradient-dark: linear-gradient(135deg, #0E3354 0%, #081B37 55%, #050E1F 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

.auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
}

.auth-wrapper {
    width: 100%;
    max-width: 480px;
    padding: 40px 20px;
    margin: 0 auto;
}

.auth-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 40px 80px rgba(15, 31, 57, 0.14);
    backdrop-filter: blur(18px);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header .logo-icon {
    margin: 0 auto 16px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.auth-header p {
    color: var(--text-light);
}

.auth-form {
    display: grid;
    gap: 16px;
}

.auth-form label {
    font-weight: 600;
    text-align: left;
}

.auth-form input {
    padding: 14px 16px;
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    font-size: 16px;
}

.auth-form input:focus {
    border-color: var(--primary-teal);
    outline: none;
}

.auth-button {
    width: 100%;
}

.auth-message {
    min-height: 20px;
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

.auth-message.error {
    color: #d93025;
    font-weight: 600;
}

.auth-disclaimer {
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-light);
    text-align: center;
}

@media (max-width: 520px) {
    .auth-card {
        padding: 30px 24px;
    }

    .auth-header h1 {
        font-size: 24px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(15, 31, 57, 0.06);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 700;
    color: var(--app-blue-deep);
    background: linear-gradient(135deg, rgba(18, 216, 255, 0.95), var(--primary-teal));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--app-blue), var(--primary-teal));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 10px 24px rgba(18, 216, 255, 0.28);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 16px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--nav-active);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-dark);
}

.hero {
    background: var(--gradient-hero);
    padding: 90px 0 70px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-on-cyan);
    letter-spacing: -1px;
    text-shadow: 0 18px 38px rgba(5, 59, 99, 0.32);
}

.hero .subtitle {
    font-size: 24px;
    color: var(--text-on-cyan-soft);
    font-weight: 600;
    margin-bottom: 16px;
    text-shadow: 0 14px 32px rgba(5, 59, 99, 0.25);
}

.hero .description {
    font-size: 18px;
    color: rgb(5, 58, 99);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-image-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    height: 500px;
    border-radius: 26px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(18, 216, 255, 0.2);
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-image.active {
    opacity: 1;
}

.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--light-gray);
}

.section-teal {
    background: var(--gradient-highlight);
    color: var(--text-on-cyan-soft);
    --checkmark-color: rgba(5, 59, 99, 0.92);
}

.section-dark {
    background: var(--gradient-dark);
    color: var(--white);
    --checkmark-color: rgba(255, 255, 255, 0.86);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
    color: var(--text-dark);
}

.section-dark .section-title {
    color: #FFFFFF;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-light);
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px;
}

.section-teal .section-subtitle,
.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.82);
}

.section-teal .section-title,
.section-teal .column-content h2,
.section-teal .column-content h3 {
    color: var(--text-on-cyan);
}

.section-teal .column-content p,
.section-teal .column-content li,
.section-teal .column-content span {
    color: var(--text-on-cyan-soft);
}


.section-dark .column-content h2,
.section-dark .column-content h3 {
    color: #FFFFFF;
}

.section-dark .column-content p,
.section-dark .column-content li,
.section-dark .column-content span {
    color: rgba(255, 255, 255, 0.8);
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.two-column.align-top {
    align-items: start;
}

.two-column.reverse {
    direction: rtl;
}

.two-column.reverse > * {
    direction: ltr;
}

.column-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.column-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.column-content ul {
    list-style: none;
    margin: 20px 0;
}

.column-content li {
    font-size: 17px;
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
}


.column-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--checkmark-color, var(--checkmark-color-default));
    font-weight: bold;
}

.section-teal .column-content li:before,
.section-dark .column-content li:before {
    color: var(--checkmark-color, var(--checkmark-color-default));
}

.column-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 26px 60px rgba(15, 31, 57, 0.16);
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.column-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 20px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(18, 216, 255, 0.95), var(--primary-teal));
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 14px 34px rgba(18, 216, 255, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6AF0FF, #2688FF);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 22px 44px rgba(18, 216, 255, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--app-blue-deep);
    border-color: rgba(7, 138, 214, 0.55);
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--app-blue), var(--primary-teal));
    color: var(--white);
    box-shadow: 0 14px 30px rgba(18, 216, 255, 0.35);
}

.btn-white {
    background: var(--white);
    color: var(--primary-teal);
    box-shadow: 0 12px 30px rgba(15, 31, 57, 0.08);
}

.btn-white:hover {
    background: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(15, 31, 57, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(18, 216, 255, 0.22);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.7;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.team-member {
    text-align: center;
}

.team-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 20px;
    object-fit: cover;
    border: 4px solid rgba(18, 216, 255, 0.35);
    box-shadow: 0 18px 35px rgba(18, 216, 255, 0.18);
}

.team-member h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.team-member .title {
    color: var(--app-blue-deep);
    font-weight: 600;
    margin-bottom: 12px;
}

.team-member p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

.contact-section {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: 22px;
    box-shadow: 0 24px 60px rgba(15, 31, 57, 0.1);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    line-height: 2;
    display: block;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.social-links a:hover {
    background: var(--primary-teal);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    padding: 60px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.privacy-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--primary-teal);
}

.privacy-content h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 12px;
}

.privacy-content p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.privacy-content ul {
    margin: 16px 0 16px 30px;
}

.privacy-content li {
    margin-bottom: 8px;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        gap: 20px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .subtitle {
        font-size: 20px;
    }
    
    .hero-image-container {
        height: auto;
        aspect-ratio: 16 / 9;
        max-height: 380px;
    }

    .hero-image {
        object-fit: contain;
        background-color: transparent;
    }
    
    .two-column {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .two-column.reverse {
        direction: ltr;
    }
    
    /* Mobile-specific image styling */
    .column-image {
        background: transparent;
        box-shadow: none;
        border-radius: 0;
        overflow: visible;
        justify-content: flex-start;
    }
    
    .column-image img {
        width: 100%;
        max-width: 520px;
        height: auto;
        object-fit: contain;
        border-radius: 20px;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
        background: transparent;
        margin: 0 auto;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .privacy-content {
        padding: 40px 20px;
    }
}