/* ============================================================
   PUROALOE — Components (Part 1: Core)
   Buttons, Navbar, Benefits Bar
   ============================================================ */

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-green);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 77, 46, 0.3);
}

.btn--secondary {
    background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
    color: #fff;
    box-shadow: var(--shadow-gold);
}

.btn--secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 168, 76, 0.35);
}

.btn--outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.btn--white {
    background: #fff;
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn--outline-light {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    background: transparent;
}

.btn--outline-light:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn--sm {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-xs);
}

.btn--lg {
    padding: var(--space-4) var(--space-10);
    font-size: var(--text-base);
}

.btn--full {
    width: 100%;
}

/* ===================== NAVBAR ===================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
    height: 72px;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    z-index: 10;
}

.navbar__logo-img {
    height: 36px;
    width: auto;
    display: block;
    /* The SVG has a dark color (#394242) — works great on white navbar */
}

.navbar__logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-primary);
}

.navbar__logo-text span {
    color: var(--color-accent);
}

.navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar__link {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--color-primary);
}

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

.navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    z-index: 10;
}

.navbar__cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: var(--color-primary-50);
    transition: all var(--transition-fast);
}

.navbar__cart-btn:hover {
    background: var(--color-primary-100);
}

.navbar__cart-btn svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.navbar__cart-count {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 20px;
    height: 20px;
    background: var(--color-accent);
    color: #fff;
    font-size: 11px;
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: all var(--transition-spring);
}

.navbar__cart-count.visible {
    opacity: 1;
    transform: scale(1);
}

.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 26px;
    cursor: pointer;
    z-index: 10;
}

.navbar__hamburger span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    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);
}

@media (max-width: 768px) {
    .navbar__hamburger {
        display: flex;
    }

    .navbar__nav {
        position: fixed;
        inset: 0;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-8);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(30px);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
    }

    .navbar__nav.open {
        transform: translateX(0);
    }

    .navbar__nav .navbar__link {
        font-size: var(--text-2xl);
        font-family: var(--font-heading);
    }
}

/* ===================== BENEFITS BAR ===================== */
.benefits-bar {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--space-3) 0;
    overflow: hidden;
    margin-top: 72px;
}

.benefits-bar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-10);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.benefits-bar__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    white-space: nowrap;
}

.benefits-bar__item svg {
    width: 16px;
    height: 16px;
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .benefits-bar__inner {
        gap: var(--space-6);
        font-size: 10px;
    }
}

@media (max-width: 500px) {
    .benefits-bar__inner {
        animation: ticker 20s linear infinite;
        justify-content: flex-start;
        width: max-content;
    }
}