/* New Color Variables for TechnoVita */
:root {
    --color-primary-accent: #0077B6; /* Deep Ocean Blue */
    --color-secondary-accent: #00B4D8; /* Vibrant Sky Blue */
    --color-tertiary-accent: #48CAE4; /* Light Aqua */
    --color-neutral-dark: #03045E; /* Midnight Blue */
    --color-neutral-light: #F0F2F5; /* Soft Gray Background */
    --color-text-main: #212529; /* Dark Charcoal for readability */
    --color-white: #FFFFFF;
    --color-light-bg: #E0E2E4; /* Slightly darker section background */
    --color-code-bg: #F8F9FA;
    --color-code-text: #E63946;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--color-text-main);
    background-color: var(--color-neutral-light);
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

.header-padding-spacer {
    height: 80px;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--color-neutral-dark);
    margin-bottom: 0.6em;
}

h1 {
    font-size: 2.8em;
    line-height: 1.1;
}

h2 {
    font-size: 2.2em;
    line-height: 1.2;
}

h3 {
    font-size: 1.8em;
}

p {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    margin-bottom: 1.2em;
}

.button {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    border: none;
}

.cta-button-primary {
    background-color: var(--color-primary-accent);
    color: var(--color-white);
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.3);
}

.cta-button-primary:hover {
    background-color: #005F99;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 119, 182, 0.4);
}

.cta-button-secondary {
    background-color: var(--color-secondary-accent);
    color: var(--color-white);
    box-shadow: 0 5px 15px rgba(0, 180, 216, 0.3);
}

.cta-button-secondary:hover {
    background-color: #009BBF;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 180, 216, 0.4);
}

.cta-button-large {
    padding: 20px 45px;
    font-size: 1.3em;
}

.main-header-nav {
    background-color: var(--color-neutral-dark);
    padding: 0.8em 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    color: var(--color-white);
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5em;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 1.5px;
}

.nav-links-desktop {
    display: none;
    align-items: center;
    gap: 2.5em;
}

.nav-links-desktop a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.1em;
    padding: 8px 12px;
    border-radius: 5px;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.nav-links-desktop a:hover {
    color: var(--color-secondary-accent);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    display: none;
}

.menu-toggler {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 35px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1100;
}

.menu-toggler .line-bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-neutral-dark);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
    padding: 3em;
    box-sizing: border-box;
}

.mobile-menu-overlay.open {
    transform: translateX(0);
}

.close-menu {
    position: absolute;
    top: 25px;
    right: 25px;
    background: transparent;
    border: none;
    font-size: 2.8em;
    color: var(--color-white);
    cursor: pointer;
    line-height: 1;
    padding: 5px 10px;
    transition: color 0.3s ease;
}

.close-menu:hover {
    color: var(--color-secondary-accent);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 2em;
    text-align: center;
    width: 100%;
}

.mobile-nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.8em;
    padding: 1em 0;
    display: block;
    transition: color 0.3s ease, background-color 0.3s ease;
    border-radius: 8px;
}

.mobile-nav-links a:hover {
    color: var(--color-secondary-accent);
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu-button {
    margin-top: 3em;
    font-size: 1.4em;
    width: 90%;
    align-self: center;
}

.hero-section {
    position: relative;
    height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    color: var(--color-white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(3, 4, 94, 0.8); /* Darker overlay based on neutral-dark */
}

.hero-content-wrapper {
    position: relative;
    z-index: 10;
    padding: 3em;
    max-width: 1000px;
}

.hero-main-heading {
    font-size: 1.5em;
    color: var(--color-white);
    margin-bottom: 0.7em;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-sub-heading {
    font-size: 1.8em;
    color: var(--color-tertiary-accent);
    margin-bottom: 3em;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6);
}

section {
    padding: 4em 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5em;
}

.section-heading {
    margin-bottom: 0.8em;
    font-size: 1.2em;
}

.section-description-text {
    font-size: 1.3em;
    max-width: 800px;
    margin: 0 auto;
    color: var(--color-text-main);
}

.section-description-centered {
    text-align: center;
    font-size: 1.3em;
    max-width: 900px;
    margin: 0 auto;
    color: var(--color-text-main);
}

.team-showcase-section {
    background-color: var(--color-light-bg);
}

.expert-profile-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3em;
}

.expert-card {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.expert-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.profile-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center;
}

.profile-details {
    padding: 2em;
}

.profile-name {
    font-size: 1.8em;
    color: var(--color-neutral-dark);
    margin-bottom: 0.4em;
}

.profile-role {
    color: var(--color-primary-accent);
    font-weight: 600;
    margin-bottom: 0.7em;
    font-size: 1.1em;
}

.profile-specialty {
    font-size: 1em;
    color: #666;
}

.about-tech-section {
    background-color: var(--color-primary-accent);
    color: var(--color-white);
}

.about-content-area {
    max-width: 1000px;
    margin: 0 auto;
}

.about-tech-section .section-header .section-heading,
.about-tech-section .section-header .section-description-centered {
    color: var(--color-white);
}

.about-text-blocks {
    display: flex;
    flex-direction: column;
    gap: 2em;
    text-align: left;
    font-size: 1.25em;
}

.about-paragraph {
    color: var(--color-white);
}

.tech-deep-dive-section {
    background-color: var(--color-light-bg);
    padding: 4em 0;
}

.ai-feature-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    padding: 2.5em;
    gap: 2.5em;
    border-left: 5px solid var(--color-primary-accent);
}

.ai-image-container {
    flex-shrink: 0;
    width: 100%;
}

.ai-image-container img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.ai-details-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ai-meta-info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5em;
    font-size: 1em;
    color: #666;
    margin-bottom: 1.5em;
}

.meta-item {
    display: flex;
    align-items: center;
}

.meta-link {
    color: var(--color-primary-accent);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.meta-link:hover {
    color: var(--color-neutral-dark);
}

.icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    fill: currentColor;
}

.icon-verified {
    width: 22px;
    height: 22px;
    margin-left: 8px;
    vertical-align: middle;
}

.icon-clock {
    color: var(--color-primary-accent);
}

.meta-tag {
    background-color: rgba(0, 119, 182, 0.15); /* Using primary accent for rgba */
    color: var(--color-neutral-dark);
    font-weight: 600;
    padding: 0.4em 1.2em;
    border-radius: 25px;
    margin-left: auto;
}

.ai-title {
    font-size: 2.4em;
    color: var(--color-neutral-dark);
    margin-bottom: 1.2em;
}

.ai-description-text {
    font-size: 1.2em;
    color: var(--color-text-main);
    margin-bottom: 1.5em;
}

.expert-profile-info {
    display: flex;
    align-items: center;
    margin-top: 2.5em;
}

.expert-name {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--color-neutral-dark);
    display: flex;
    align-items: center;
}

.expert-role {
    color: var(--color-primary-accent);
    font-size: 1em;
}

.tech-offerings-section {
    background-color: var(--color-secondary-accent); /* Changed to vibrant sky blue */
}

.tech-offerings-section .section-header .section-heading,
.tech-offerings-section .section-header .section-description-text {
    color: var(--color-white);
}

.course-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3em;
}

.course-card {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.course-card:hover .card-image {
    transform: scale(1.05);
}

.card-content-wrap {
    padding: 2em;
}

.card-title {
    font-size: 1.6em;
    color: var(--color-neutral-dark);
    margin-bottom: 1em;
    transition: color 0.3s ease;
}

.course-card:hover .card-title {
    color: var(--color-primary-accent);
}

.card-description-text {
    font-size: 1.1em;
    color: #555;
}

.contact-form-section {
    background-color: var(--color-neutral-light);
}

.contact-card-wrap {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    padding: 3em;
    max-width: 900px;
    margin: 0 auto;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.form-input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.form-field {
    margin-bottom: 0.8em;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.form-input {
    width: 100%;
    padding: 1.2em;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    font-family: 'Open Sans', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    box-sizing: border-box;
    font-size: 1.05em;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-accent);
    box-shadow: 0 0 0 4px rgba(0, 119, 182, 0.25);
}

.text-area-input {
    min-height: 180px;
    resize: vertical;
}

.form-submit-area {
    text-align: center;
    margin-top: 2.5em;
}

.tech-insights-section {
    background-color: var(--color-tertiary-accent);
}

.tech-insights-section .section-header .section-heading,
.tech-insights-section .section-header .section-description-text {
    color: var(--color-white);
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3em;
}

.article-card {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.article-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.article-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.article-content {
    padding: 2em;
}

.article-title {
    font-size: 1.8em;
    color: var(--color-neutral-dark);
    margin-bottom: 0.8em;
    transition: color 0.3s ease;
}

.article-card:hover .article-title {
    color: var(--color-primary-accent);
}

.article-summary {
    font-size: 1.1em;
    color: #555;
}

.site-footer {
    background-color: var(--color-neutral-dark);
    color: var(--color-white);
    padding: 3em 0;
}

.footer-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5em;
    padding-bottom: 3em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-col-info,
.footer-col-links,
.footer-col-contact,
.footer-col-newsletter {
    text-align: center;
}

.footer-logo {
    display: inline-block;
    color: var(--color-white);
    font-family: 'Montserrat', sans-serif;
    font-size: 3em;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 2px;
    margin-bottom: 1em;
}

.footer-tagline {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2em;
    font-family: 'Open Sans', sans-serif;
}

.social-links-group {
    display: flex;
    justify-content: center;
    gap: 2em;
    margin-top: 2em;
}

.social-icon {
    color: var(--color-white);
    width: 35px;
    height: 35px;
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-icon:hover {
    color: var(--color-secondary-accent); /* Changed hover color */
    transform: translateY(-5px);
}

.footer-category-title {
    font-size: 1.4em;
    font-weight: 700;
    margin-bottom: 1.5em;
    color: var(--color-white);
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2em;
}

.footer-link-item,
.footer-email-link,
.legal-link-item {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-family: 'Open Sans', sans-serif;
    font-size: 1.1em;
}

.footer-link-item:hover,
.footer-email-link:hover,
.legal-link-item:hover {
    color: var(--color-secondary-accent); /* Changed hover color */
    text-decoration: underline;
}

.footer-contact-text {
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5em;
    font-family: 'Open Sans', sans-serif;
}

.footer-address {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1em;
    margin-top: 1em;
}

.footer-newsletter-text {
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2em;
    font-family: 'Open Sans', sans-serif;
}

.newsletter-signup-form {
    display: flex;
    flex-direction: column;
    gap: 1.2em;
}

.newsletter-input-field {
    width: 100%;
    padding: 1.1em;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: var(--color-white);
    font-family: 'Open Sans', sans-serif;
    box-sizing: border-box;
    font-size: 1.05em;
}

.newsletter-input-field::placeholder {
    color: rgba(255, 255, 255, 0.8);
}

.newsletter-input-field:focus {
    outline: none;
    border-color: var(--color-secondary-accent); /* Changed focus color */
    box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.3);
}

.newsletter-submit-btn {
    width: 100%;
    font-size: 1.2em;
    padding: 15px 30px;
}

.footer-bottom-section {
    padding-top: 3em;
    margin-top: 3em;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1em;
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.legal-links-list {
    display: flex;
    flex-direction: column;
    gap: 1em;
    justify-content: center;
    margin-top: 1.2em;
}

.legal-link-divider {
    color: rgba(255, 255, 255, 0.5);
}

.cookie-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--color-white);
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    max-width: 450px;
    display: none;
    flex-direction: column;
    gap: 1.5em;
    border: 1px solid #dee2e6;
    animation: fadeIn 0.7s ease-out forwards;
}

.cookie-popup.show {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.popup-title {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-neutral-dark);
    text-align: center;
    margin-bottom: 1em;
}

.popup-text {
    font-size: 1.1em;
    color: #444;
    line-height: 1.6;
    margin-bottom: 1.5em;
}

.popup-link {
    color: var(--color-primary-accent);
    text-decoration: none;
    font-weight: 600;
}

.popup-link:hover {
    text-decoration: underline;
}

.popup-actions {
    display: flex;
    gap: 1.5em;
    justify-content: center;
}

.popup-button-accept {
    background-color: var(--color-primary-accent);
    color: var(--color-white);
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
    flex: 1;
}

.popup-button-accept:hover {
    background-color: #005F99;
}

.popup-button-decline {
    background-color: var(--color-secondary-accent);
    color: var(--color-white);
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
    flex: 1;
}

.popup-button-decline:hover {
    background-color: #009BBF;
}

/* Mobile Adaptations */
@media (min-width: 768px) {
    .nav-container {
        flex-direction: row;
        gap: 0;
        justify-content: space-between;
    }

    .site-logo {
        flex-grow: 0;
        width: auto;
    }

    .menu-toggler {
        display: none;
    }

    .nav-links-desktop {
        display: flex;
        flex-grow: 1;
        justify-content: flex-end;
        margin-left: auto;
        margin-top: 0;
    }

    .nav-cta {
        display: block;
        margin-top: 0;
        margin-left: 3em;
    }

    .hero-main-heading {
        font-size: 5.5em;
    }

    .hero-sub-heading {
        font-size: 2.2em;
    }

    .expert-profile-grid,
    .course-grid,
    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-feature-card {
        flex-direction: row;
    }

    .ai-image-container {
        width: 45%;
    }

    .form-input-group {
        flex-direction: row;
    }

    .form-field {
        flex: 1;
    }

    .footer-layout {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }

    .footer-col-info,
    .footer-col-links,
    .footer-col-contact,
    .footer-col-newsletter {
        text-align: left;
    }

    .social-links-group {
        justify-content: flex-start;
    }

    .newsletter-signup-form {
        flex-direction: row;
    }

    .newsletter-input-field {
        flex-grow: 1;
    }

    .newsletter-submit-btn {
        width: auto;
        flex-shrink: 0;
    }

    .footer-bottom-section {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .legal-links-list {
        flex-direction: row;
        gap: 2em;
        margin-top: 0;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 4em;
    }

    h2 {
        font-size: 3.5em;
    }

    h3 {
        font-size: 2.5em;
    }

    .expert-profile-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .course-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .article-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-image-container {
        width: 40%;
    }

    .footer-layout {
        grid-template-columns: repeat(4, 1fr);
    }
}


.innovation-grid {
    display: grid;
    grid-template-columns: 1fr; /* Default: single column for mobile */
    gap: 2.5em; /* Adjust gap as desired */
}

/* Update .course-card to .innovation-card */
.innovation-card {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    overflow: hidden; /* Important for border-radius on hover effects */
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    padding: 2.5em; /* Add padding directly to the card since there's no image */
    display: flex; /* For better content alignment if needed */
    flex-direction: column;
    justify-content: space-between; /* To push content/link to bottom if needed */
}

.innovation-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.innovation-card .card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%; 
}



.innovation-card .card-content-wrap {
    padding: 0;
}

.innovation-card .card-title {
    font-size: 1.6em;
    color: var(--color-neutral-dark);
    margin-bottom: 1em;
    transition: color 0.3s ease;
}

.innovation-card:hover .card-title {
    color: var(--color-primary-accent);
}

.innovation-card .card-description-text {
    font-size: 1.1em;
    color: #555;
}


@media (min-width: 768px) {
    .innovation-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3em;
    }
}

@media (min-width: 1024px) {
    .innovation-grid {
        grid-template-columns: repeat(3, 1fr); 
        gap: 3.5em; 
    }
}