/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-4) 0;
    transition: all var(--transition-base);
}

.navbar--transparent {
    background: transparent;
}

.navbar--solid {
    background: var(--color-navy);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    padding: var(--space-3) 0;
}

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

.navbar__logo img {
    height: 56px;
    width: auto;
    object-fit: contain;
}

.navbar__nav {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

.navbar__link {
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    padding: var(--space-2) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-white);
    transition: width var(--transition-base);
}

.navbar__link:hover::after,
.navbar__link--active::after {
    width: 100%;
}

.navbar__link--active {
    color: var(--color-white);
}

/* Dropdown */
.navbar__dropdown {
    position: relative;
}

.navbar__dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    padding: var(--space-2) 0;
    cursor: pointer;
    background: none;
    border: none;
}

.navbar__dropdown-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform var(--transition-fast);
}

.navbar__dropdown:hover .navbar__dropdown-toggle svg {
    transform: rotate(180deg);
}

.navbar__dropdown-menu {
    position: absolute;
    top: 100%;
    left: -1rem;
    min-width: 240px;
    background: var(--color-white);
    border-radius: var(--card-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-base);
}

.navbar__dropdown:hover .navbar__dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar__dropdown-link {
    display: block;
    padding: var(--space-3) var(--space-6);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    transition: background-color var(--transition-fast);
}

.navbar__dropdown-link:hover {
    background-color: var(--color-off-white);
    color: var(--color-teal);
}

.navbar__cta {
    display: none;
}

/* Mobile hamburger */
.navbar__hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 110;
    background: none;
    border: none;
    padding: var(--space-2);
}

.navbar__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.navbar__hamburger--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger--active span:nth-child(2) {
    opacity: 0;
}

.navbar__hamburger--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-navy);
    z-index: 105;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-menu__link {
    color: var(--color-white);
    font-size: var(--text-2xl);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
    color: var(--color-teal-light);
}

.mobile-menu__submenu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.mobile-menu__submenu-title {
    color: var(--color-white);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.mobile-menu__submenu-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-lg);
    transition: color var(--transition-fast);
}

.mobile-menu__submenu-link:hover {
    color: var(--color-white);
}

@media (min-width: 1024px) {
    .navbar__nav {
        display: flex;
    }

    .navbar__cta {
        display: inline-flex;
    }

    .navbar__hamburger {
        display: none;
    }
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--color-dark);
    overflow: hidden;
}

.hero--short {
    min-height: 50vh;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.5;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.7) 0%, rgba(16, 72, 99, 0.5) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--space-8) var(--container-padding);
}

.hero__title {
    font-size: var(--text-6xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    font-weight: 700;
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-10);
    line-height: 1.6;
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ========================================
   STAT BAR
   ======================================== */
.stat-bar {
    background-color: var(--color-teal);
    padding: var(--space-12) 0;
}

.stat-bar__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    text-align: center;
}

.stat-bar__item {
    color: var(--color-white);
}

.stat-bar__number {
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-bar__label {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.85;
}

.stat-bar__divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin: var(--space-8) 0;
}

@media (min-width: 640px) {
    .stat-bar__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--color-white);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: var(--space-8);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(21, 95, 130, 0.1);
    border-radius: 0.75rem;
    margin-bottom: var(--space-6);
    color: var(--color-teal);
}

.card__icon svg {
    width: 28px;
    height: 28px;
}

.card__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.card__title a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.card__title a:hover {
    color: var(--color-teal);
}

.card__description {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-teal);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: gap var(--transition-fast);
}

.card__link:hover {
    gap: var(--space-3);
}

.card__link svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   TEAM CARD
   ======================================== */
.team-card {
    text-align: center;
    padding: var(--space-8);
}

.team-card__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto var(--space-6);
    background-color: var(--color-teal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.team-card__avatar span {
    color: var(--color-white);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.team-card__name {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.team-card__title {
    color: var(--color-teal);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.team-card__bio {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* ========================================
   TESTIMONIAL CAROUSEL
   ======================================== */
.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    overflow: hidden;
}

.testimonial-carousel__track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-carousel__slide {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 var(--space-4);
    box-sizing: border-box;
}

.testimonial-carousel__quote-mark {
    font-size: 4rem;
    line-height: 1;
    color: var(--color-teal);
    opacity: 0.3;
    margin-bottom: var(--space-4);
}

.section--dark .testimonial-carousel__quote-mark {
    color: var(--color-white);
    opacity: 0.2;
}

.testimonial-carousel__quote {
    font-size: var(--text-base);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: var(--space-6);
}

.testimonial-carousel__attribution {
    font-weight: 600;
    font-size: var(--text-base);
}

.section--dark .testimonial-carousel__attribution {
    color: var(--color-white);
}

.testimonial-carousel__company {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-top: var(--space-1);
}

.section--dark .testimonial-carousel__company {
    color: rgba(255, 255, 255, 0.6);
}

.testimonial-carousel__dots {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.testimonial-carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-border);
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    padding: 0;
}

.testimonial-carousel__dot--active {
    background-color: var(--color-teal);
}

.section--dark .testimonial-carousel__dot {
    background-color: rgba(255, 255, 255, 0.3);
}

.section--dark .testimonial-carousel__dot--active {
    background-color: var(--color-white);
}

/* ========================================
   CLIENT LOGOS
   ======================================== */
.client-logos {
    overflow: hidden;
    position: relative;
    padding: var(--space-4) 0;
}

.client-logos::before,
.client-logos::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.client-logos::before {
    left: 0;
    background: linear-gradient(to right, var(--color-white), transparent);
}

.client-logos::after {
    right: 0;
    background: linear-gradient(to left, var(--color-white), transparent);
}

.section--light .client-logos::before {
    background: linear-gradient(to right, var(--color-off-white), transparent);
}

.section--light .client-logos::after {
    background: linear-gradient(to left, var(--color-off-white), transparent);
}

.client-logos__track {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    animation: scroll-logos 40s linear infinite;
    width: max-content;
}

.client-logos__item {
    flex-shrink: 0;
    height: 40px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: all var(--transition-base);
}

.client-logos__item:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.client-logos__item img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ========================================
   CTA BANNER
   ======================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--color-teal) 0%, var(--color-navy) 100%);
    padding: var(--space-16) 0;
    text-align: center;
}

.cta-banner__title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner__text {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   PAGE HEADER (inner pages)
   ======================================== */
.page-header {
    background: var(--color-dark);
    padding: calc(80px + var(--space-16)) 0 var(--space-16);
    text-align: center;
}

.page-header__breadcrumbs {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.page-header__breadcrumbs a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.page-header__breadcrumbs a:hover {
    color: var(--color-white);
}

.page-header__breadcrumbs span {
    color: rgba(255, 255, 255, 0.4);
}

.page-header__breadcrumbs .current {
    color: var(--color-white);
}

.page-header__title {
    font-size: var(--text-5xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-header__description {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-lg);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   TECH BADGES
   ======================================== */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background-color: rgba(21, 95, 130, 0.1);
    color: var(--color-teal);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 9999px;
    letter-spacing: 0.025em;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer__brand {
    max-width: 320px;
}

.footer__logo {
    height: 48px;
    margin-bottom: var(--space-4);
    object-fit: contain;
}

.footer__tagline {
    font-size: var(--text-sm);
    line-height: 1.6;
}

.footer__heading {
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__link {
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-white);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.footer__contact-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-teal-light);
}

.footer__divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-8);
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
    font-size: var(--text-sm);
}

.footer__social {
    display: flex;
    gap: var(--space-4);
}

.footer__social a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

.footer__social svg {
    width: 20px;
    height: 20px;
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* ========================================
   CONTACT FORM
   ======================================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-size: var(--text-base);
    background: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(21, 95, 130, 0.15);
}

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

.form-group .error-message {
    color: var(--color-crimson);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
    display: none;
}

.form-group--error input,
.form-group--error textarea,
.form-group--error select {
    border-color: var(--color-crimson);
}

.form-group--error .error-message {
    display: block;
}

.form-message {
    padding: var(--space-4);
    border-radius: 0.5rem;
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
    display: none;
}

.form-message--success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-message--error {
    display: block;
    background-color: rgba(85, 0, 0, 0.1);
    color: var(--color-crimson);
    border: 1px solid rgba(85, 0, 0, 0.3);
}