/* ============================================
   Alpha-Pe Layout — Header, Footer, Grid
   ============================================ */

/* ── Announcement Bar ── */
.announcement-bar {
    background: var(--gradient-gold);
    color: var(--clr-neutral-900);
    text-align: center;
    padding: var(--sp-2) var(--sp-4);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: calc(var(--z-sticky) + 2);
    height: var(--announcement-h, 36px);
}

.announcement-bar a {
    color: var(--clr-primary);
    text-decoration: underline;
    font-weight: var(--fw-bold);
}

/* ── Header ── */
.header {
    position: fixed;
    width: 100%;
    top: var(--announcement-h, 36px);
    z-index: calc(var(--z-sticky) + 1);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all var(--duration-normal) var(--ease-out);
}


.header--scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.97);
}

.nav {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--sp-4) var(--container-padding);
    gap: var(--sp-8);
}

/* ── Logo ── */
.logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    text-decoration: none;
    flex-shrink: 0;
}

.logo__mark {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-family: var(--font-serif);
    font-size: var(--fs-md);
    font-weight: var(--fw-black);
    letter-spacing: -0.02em;
    transition: transform var(--duration-normal) var(--ease-spring);
}

.logo:hover .logo__mark {
    transform: rotate(-5deg) scale(1.05);
}

.logo__text {
    font-family: var(--font-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-black);
    color: var(--clr-primary);
    letter-spacing: -0.02em;
}

/* ── Nav Links ── */
.nav__links {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
    list-style: none;
}

.nav__link {
    color: var(--text-primary);
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
    position: relative;
    padding: var(--sp-2) 0;
    text-decoration: none;
    transition: color var(--duration-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-accent);
    border-radius: var(--radius-full);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav__link:hover,
.nav__link--active {
    color: var(--clr-accent);
}

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

.nav__cta {
    background: var(--gradient-primary);
    color: var(--text-inverse) !important;
    padding: var(--sp-2) var(--sp-6);
    border-radius: var(--radius-full);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
}

.nav__cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-accent);
    color: var(--text-inverse) !important;
}

/* ── Mobile Menu Button ── */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-overlay) + 1);
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 2.5px;
    background: var(--clr-primary);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Drawer ── */
.nav__drawer {
    display: none;
}

/* ── Footer ── */
.footer {
    background: var(--clr-primary-dark);
    color: var(--text-inverse);
    padding: var(--sp-20) var(--container-padding) var(--sp-8);
}

.footer__grid {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-12);
    margin-bottom: var(--sp-12);
}

.footer__brand h3 {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    margin-bottom: var(--sp-4);
    color: var(--text-inverse);
}

.footer__brand p {
    opacity: 0.85;
    line-height: var(--lh-relaxed);
    margin-bottom: var(--sp-6);
    font-size: var(--fs-sm);
}

/* Social Icons */
.social-links {
    display: flex;
    gap: var(--sp-3);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-normal) var(--ease-out);
    color: var(--text-inverse);
    text-decoration: none;
}

.social-link:hover {
    background: var(--clr-secondary);
    border-color: var(--clr-secondary);
    transform: translateY(-3px);
    color: var(--text-inverse);
}

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

/* Footer Columns */
.footer__col h4 {
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    margin-bottom: var(--sp-6);
    color: var(--text-inverse);
    position: relative;
    padding-bottom: var(--sp-3);
}

.footer__col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--clr-secondary);
    border-radius: var(--radius-full);
}

.footer__col ul {
    list-style: none;
}

.footer__col li {
    margin-bottom: var(--sp-3);
}

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

.footer__col a:hover {
    color: var(--clr-gold);
    padding-left: var(--sp-2);
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
}

.footer__contact-item svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: var(--clr-gold);
    stroke-width: 2;
    flex-shrink: 0;
}

/* Newsletter */
.footer__newsletter {
    margin-top: var(--sp-6);
}

.footer__newsletter p {
    font-size: var(--fs-sm);
    opacity: 0.8;
    margin-bottom: var(--sp-3);
}

.newsletter-form {
    display: flex;
    gap: var(--sp-2);
}

.newsletter-form input {
    flex: 1;
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-inverse);
    font-size: var(--fs-sm);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--clr-accent);
    background: rgba(255, 255, 255, 0.12);
}

.newsletter-form button {
    padding: var(--sp-3) var(--sp-5);
    background: var(--clr-secondary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: all var(--duration-normal);
    white-space: nowrap;
}

.newsletter-form button:hover {
    background: var(--clr-secondary-light);
    transform: translateY(-1px);
}

/* Footer Bottom */
.footer__bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-top: var(--sp-8);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-4);
}

.footer__bottom p {
    font-size: var(--fs-xs);
    opacity: 0.6;
    max-width: none;
}

.footer__bottom-links {
    display: flex;
    gap: var(--sp-6);
}

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

.footer__bottom-links a:hover {
    color: var(--clr-gold);
}

.footer__disclaimer {
    width: 100%;
    margin-top: var(--sp-6);
    padding-top: var(--sp-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: var(--fs-xs);
    opacity: 0.5;
    line-height: var(--lh-relaxed);
}

/* ── WhatsApp Widget ── */
.whatsapp-widget {
    position: fixed;
    bottom: var(--sp-8);
    left: var(--sp-8);
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.whatsapp-widget__btn {
    width: 56px;
    height: 56px;
    background: #25D366;
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
    position: relative;
}

.whatsapp-widget__btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-full);
    background: rgba(37, 211, 102, 0.25);
    animation: wa-pulse 2s ease-in-out infinite;
}

@keyframes wa-pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.15); opacity: 0; }
}

.whatsapp-widget__btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

.whatsapp-widget__btn:hover::before {
    animation: none;
    opacity: 0;
}

.whatsapp-widget__btn svg {
    width: 28px;
    height: 28px;
    fill: #fff;
    position: relative;
    z-index: 1;
}

.whatsapp-widget__label {
    background: var(--clr-white);
    color: var(--text-heading);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--duration-normal) var(--ease-out);
    pointer-events: none;
}

.whatsapp-widget:hover .whatsapp-widget__label {
    opacity: 1;
    transform: translateX(0);
}

/* ── Back to Top Button ── */
.back-to-top {
    position: fixed;
    bottom: var(--sp-8);
    right: var(--sp-8);
    width: 48px;
    height: 48px;
    background: var(--clr-primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-sticky);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--clr-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-accent);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ── Cookie Consent ── */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--clr-neutral-900);
    color: var(--text-inverse);
    padding: var(--sp-5) var(--container-padding);
    z-index: var(--z-modal);
    transform: translateY(100%);
    transition: transform var(--duration-slow) var(--ease-out);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.2);
}

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

.cookie-banner__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: var(--fs-sm);
    opacity: 0.9;
    max-width: none;
    flex: 1;
}

.cookie-banner p a {
    color: var(--clr-gold);
    text-decoration: underline;
}

.cookie-banner__actions {
    display: flex;
    gap: var(--sp-3);
    flex-shrink: 0;
}