/* ==========================================================================
   ASTERISM COMMUNICATIONS - Components
   Navigation, Footer, Buttons, Cards, and Reusable UI
   ========================================================================== */

/* =========================================================================
   NAVIGATION
   ========================================================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-nav);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--color-border-light);
}

.nav.scrolled {
    box-shadow: var(--shadow-soft);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.75rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (max-width: 768px) {
    .nav__container {
        padding: 1rem var(--container-padding-mobile);
    }
}

/* Logo */
.nav__logo {
    display: flex;
    align-items: center;
    height: 60px;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.nav__logo:hover {
    opacity: 0.8;
}

.nav__logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .nav__logo {
        height: 45px;
    }
    
    .nav__logo img {
        height: 45px;
    }
}

/* Desktop Navigation Menu */
.nav__menu {
    display: flex;
    gap: var(--spacing-12);
    align-items: center;
}

@media (max-width: 968px) {
    .nav__menu {
        display: none;
    }
}

/* Nav Items (for dropdowns) */
.nav__item {
    position: relative;
}

/* Nav Links */
.nav__link {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    letter-spacing: var(--letter-spacing-wide);
    position: relative;
    transition: color var(--transition-base);
    padding: var(--spacing-2) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-red);
    transition: width var(--transition-bounce);
}

.nav__link:hover {
    color: var(--color-text-primary);
}

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

.nav__link.active {
    color: var(--color-accent-red);
}

/* Dropdown */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-quick);
    margin-top: 1rem;
    z-index: var(--z-index-dropdown);
}

.nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--color-border-light);
}

.nav__dropdown a:last-child {
    border-bottom: none;
}

.nav__dropdown a:hover {
    background: var(--color-gray-bg);
    color: var(--color-accent-blue);
    padding-left: 2rem;
}

/* Nav CTA Button */
.nav__cta {
    background: var(--color-black);
    color: var(--color-white);
    padding: 0.875rem 2rem;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-wider);
    font-size: var(--font-size-sm);
    transition: var(--transition-quick);
    position: relative;
    overflow: hidden;
    border: 2px solid var(--color-black);
}

.nav__cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-accent-blue);
    transition: left var(--transition-bounce);
    z-index: -1;
}

.nav__cta:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: var(--color-accent-blue);
}

.nav__cta:hover::before {
    left: 0;
}

/* =========================================================================
   MOBILE NAVIGATION
   ========================================================================= */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-index-nav) + 10);
}

@media (max-width: 968px) {
    .nav__toggle {
        display: flex;
    }
}

.nav__toggle-line {
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition-quick);
    position: relative;
}

.nav__toggle-line::before,
.nav__toggle-line::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition-quick);
    left: 0;
}

.nav__toggle-line::before {
    top: -7px;
}

.nav__toggle-line::after {
    top: 7px;
}

/* Toggle active state (X shape) */
.nav__toggle.active .nav__toggle-line {
    background: transparent;
}

.nav__toggle.active .nav__toggle-line::before {
    top: 0;
    transform: rotate(45deg);
}

.nav__toggle.active .nav__toggle-line::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu Overlay */
.nav__mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-white);
    z-index: var(--z-index-nav);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.nav__mobile.active {
    opacity: 1;
    visibility: visible;
}

.nav__mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.nav__mobile-item {
    margin: var(--spacing-6) 0;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.nav__mobile.active .nav__mobile-item {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation */
.nav__mobile.active .nav__mobile-item:nth-child(1) { transition-delay: 0.1s; }
.nav__mobile.active .nav__mobile-item:nth-child(2) { transition-delay: 0.15s; }
.nav__mobile.active .nav__mobile-item:nth-child(3) { transition-delay: 0.2s; }
.nav__mobile.active .nav__mobile-item:nth-child(4) { transition-delay: 0.25s; }
.nav__mobile.active .nav__mobile-item:nth-child(5) { transition-delay: 0.3s; }

.nav__mobile-link {
    font-family: var(--font-family-serif);
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.nav__mobile-link:hover {
    color: var(--color-accent-blue);
}

/* Mobile Dropdown */
.nav__mobile-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth);
}

.nav__mobile-item.dropdown-open .nav__mobile-dropdown {
    max-height: 300px;
}

.nav__mobile-dropdown a {
    display: block;
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.nav__mobile-dropdown a:hover {
    color: var(--color-accent-blue);
}

.nav__mobile-cta {
    margin-top: var(--spacing-8);
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

@media (max-width: 768px) {
    .footer__container {
        padding: 0 var(--container-padding-mobile);
    }
}

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer__title {
    font-family: var(--font-family-serif);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-regular);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.footer__tagline {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-4);
}

.footer__nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.footer__nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__social {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    transition: var(--transition-quick);
}

.footer__social a:hover {
    background: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    transform: translateY(-2px);
}

.footer__social svg {
    width: 18px;
    height: 18px;
}

.footer__bottom {
    padding-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__bottom p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* Legacy classes for backwards compatibility */
.footer__brand {
    margin-bottom: var(--spacing-4);
}

.footer__brand-name {
    font-family: var(--font-family-serif);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-regular);
    color: var(--color-white);
    margin-bottom: var(--spacing-2);
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    transition: var(--transition-quick);
}

.footer__social-link:hover {
    background: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    transform: translateY(-2px);
}

.footer__social-link svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer__copyright {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wider);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-quick);
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(68, 142, 246, 0.3);
}

/* Primary Button */
.btn--primary {
    background: var(--color-accent-blue);
    color: var(--color-white);
    border-color: var(--color-accent-blue);
    box-shadow: var(--shadow-button);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-button-hover);
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

/* Secondary Button */
.btn--secondary {
    background: transparent;
    color: var(--color-black);
    border-color: var(--color-black);
}

.btn--secondary:hover {
    background: var(--color-black);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

/* Ghost Button (for dark backgrounds) */
.btn--ghost {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn--ghost:hover {
    background: var(--color-white);
    color: var(--color-black);
}

/* Small Button */
.btn--sm {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
}

/* Large Button */
.btn--lg {
    padding: 1.5rem 4rem;
    font-size: var(--font-size-md);
}

/* =========================================================================
   LINK STYLES
   ========================================================================= */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-4);
    color: var(--color-accent-blue);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-md);
    transition: gap var(--transition-base);
}

.link-arrow::after {
    content: '→';
    font-size: var(--font-size-xl);
    transition: transform var(--transition-base);
}

.link-arrow:hover {
    gap: var(--spacing-6);
    color: var(--color-accent-blue);
}

.link-arrow:hover::after {
    transform: translateX(5px);
}

/* =========================================================================
   SECTION HEADERS
   ========================================================================= */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-header__title {
    font-family: var(--font-family-serif);
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.section-header__subtitle {
    font-size: var(--font-size-lead);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-light);
    max-width: 700px;
    margin: 0 auto;
}

/* =========================================================================
   CARDS
   ========================================================================= */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.card--elevated {
    box-shadow: var(--shadow-soft);
}

.card--elevated:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.card--bordered {
    border: 1px solid var(--color-border-light);
}

.card__content {
    padding: var(--spacing-8);
}

.card__title {
    font-family: var(--font-family-serif);
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-4);
}

.card__text {
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

/* =========================================================================
   COOKIE CONSENT BANNER
   ========================================================================= */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-6) var(--spacing-8);
    z-index: var(--z-index-cookie);
    transform: translateY(100%);
    transition: transform var(--transition-smooth);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.cookie-banner__text {
    flex: 1;
    min-width: 300px;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.cookie-banner__text a {
    color: var(--color-accent-blue);
    text-decoration: underline;
}

.cookie-banner__buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.cookie-banner__btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: none;
    cursor: pointer;
    transition: var(--transition-quick);
}

.cookie-banner__btn--accept {
    background: var(--color-accent-blue);
    color: var(--color-white);
}

.cookie-banner__btn--accept:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.cookie-banner__btn--reject {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-banner__btn--reject:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .cookie-banner__container {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-banner__buttons {
        width: 100%;
        justify-content: center;
    }
}