/* ============================================================================
   main.css — COMPONENT & LAYOUT STYLES
   ----------------------------------------------------------------------------
   Hand-written CSS for the parts of the site that are NOT expressed with
   Tailwind utility classes. Every rule below belongs to exactly one component,
   marked with a banner comment naming the organism it styles.

   Load order: variables → typography → reset → utilities → animation → main
   (main.css comes last so it can override the helpers when a component needs to.)
   ========================================================================== */


/* ============================================================================
   ORGANISM: NAVBAR  (components/organisms/navbar.html)
   A fixed, centred glass capsule. Collapses to a hamburger + dropdown panel
   below 1100px (see the media query at the bottom of this file).
   ========================================================================== */

.main-navbar {
    position: fixed;
    top: var(--navbar-top-offset);
    left: 50%;
    transform: translateX(-50%);
    width: var(--navbar-width);
    /* Guarantees the capsule can never cause horizontal overflow. */
    max-width: calc(100vw - 24px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    z-index: var(--z-navbar);
    transition: all var(--transition-base);
}

/* --- Brand / logo lockup --- */
.main-navbar .nav-brand {
    font-size: var(--font-size-nav-brand);
    font-weight: var(--font-weight-nav-brand);
    letter-spacing: var(--letter-spacing-nav-brand);
    white-space: nowrap;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.main-navbar .nav-brand a {
    display: flex;
    align-items: center;
}

/* Logo scales fluidly between 28px and 40px tall. */
.main-navbar .nav-brand img {
    display: block;
    height: clamp(28px, 4vw, 40px);
    width: auto;
    max-width: 100%;
}

/* --- Menu wrapper (links + actions) --- */
.main-navbar .nav-menu-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main-navbar .nav-links {
    display: flex;
    gap: 18px;
    font-size: var(--font-size-nav-link);
    font-weight: var(--font-weight-nav-link);
    align-items: center;
}

.main-navbar .nav-links a {
    position: relative;
    transition: color var(--transition-base);
    color: rgb(var(--color-primary-rgb));
    padding: 5px 0;
    /* Stops multi-word items such as "About Us" wrapping onto two lines. */
    white-space: nowrap;
}

.main-navbar .nav-links a.active,
.main-navbar .nav-links a:hover {
    color: var(--active-gold);
}

.main-navbar .nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: var(--font-size-nav-actions);
    white-space: nowrap;
}

/* --- ATOM: DONATE button (components/atoms/button-donate.html) --- */
.btn-donate {
    background-color: rgb(var(--color-shadow-rgb) / 0.6);
    color: rgb(var(--color-primary-rgb));
    padding: 10px 22px;
    border-radius: var(--radius-button);
    border: 1px solid rgb(var(--color-glow-rgb) / 0.3);
    transition: all var(--transition-base);
    cursor: pointer;
    font-weight: var(--font-weight-btn-donate);
    letter-spacing: var(--letter-spacing-btn-donate);
    white-space: nowrap;
}

.btn-donate:hover {
    background-color: rgb(var(--color-primary-rgb));
    color: rgb(var(--color-shadow-rgb));
}

/* --- ATOM: hamburger toggle — three bars that morph into an X --- */
.mobile-toggle {
    display: none;               /* revealed by the <=1100px media query */
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    flex-direction: column;
    justify-content: space-between;
    z-index: var(--z-navbar-toggle);
    padding: 0;
    position: relative;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: rgb(var(--color-primary-rgb));
    border-radius: 2px;
    transition: all var(--transition-base) var(--ease-back);
    transform-origin: center;
}

.mobile-toggle.is-active span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.mobile-toggle.is-active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-toggle.is-active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }


/* ============================================================================
   ORGANISM: HERO  (components/organisms/hero.html)
   Full-viewport banner with a looping muted video, a dark gradient scrim, and
   centred headline copy.
   ========================================================================== */

.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 0 20px;
    transition: background-image var(--transition-slow);
}

/* Gradient scrim that keeps the headline readable over any footage. */
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(
        to bottom,
        rgb(var(--color-shadow-rgb) / 0.3) 0%,
        rgb(var(--primary-bg-rgb) / 0.6) 100%
    );
    z-index: var(--z-hero-scrim);
}

.hero-video-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: var(--z-hero-video);
}

.hero-content {
    position: relative;
    z-index: var(--z-hero-content);
    max-width: 800px;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: var(--font-size-hero-h1);
    line-height: var(--line-height-hero-h1);
    margin-bottom: 20px;
    font-weight: var(--font-weight-hero-h1);
}

.hero p {
    font-size: var(--font-size-hero-p);
    line-height: var(--line-height-hero-p);
    font-weight: var(--font-weight-hero-p);
    color: var(--hero-copy);
}


/* ============================================================================
   ORGANISM: PARTNERS TICKER  (components/organisms/partners-ticker.html)
   An infinite marquee. components.js renders the logo list twice so the loop
   is seamless; the animation translates the strip by exactly -100%.
   ========================================================================== */

.ticker-wrap {
    width: 100%;
    overflow: hidden;
    background-color: rgb(var(--color-glow-rgb) / 0.05);
    border-top: 1px solid rgb(var(--color-glow-rgb) / 0.1);
    border-bottom: 1px solid rgb(var(--color-glow-rgb) / 0.1);
    padding: 15px 0;
    white-space: nowrap;
}

.ticker {
    display: inline-block;
    white-space: nowrap;
    padding-right: 100%;
    animation: ticker var(--ticker-duration) linear infinite;
}

/* Text variant of a marquee entry (kept for reuse; the live site uses logos). */
.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 40px;
    font-size: var(--font-size-ticker-item);
    color: rgb(var(--color-glow-rgb) / 0.7);
}

/* MOLECULE: partner-logo — one logo cell inside the marquee. */
.ticker-logo-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 45px;
    height: 84px;
}

.ticker-logo-item img {
    height: var(--ticker-logo-height);
    width: auto;
    max-width: 170px;
    object-fit: contain;
    opacity: 0.92;
    cursor: pointer;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.ticker-logo-item img:hover {
    opacity: 1;
    transform: scale(1.08);
}


/* ============================================================================
   ORGANISM: IMAGE POPUP / LIGHTBOX  (components/organisms/image-popup.html)
   A single overlay reused by every `.clickable-img` on the page.
   ========================================================================== */

.image-popup-overlay {
    position: fixed;
    inset: 0;
    background-color: rgb(var(--color-shadow-rgb) / 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: var(--z-popup);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.image-popup-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.image-popup-container {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    transform: scale(0.9);
    transition: transform 0.3s var(--ease-out-expo);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.image-popup-overlay.active .image-popup-container {
    transform: scale(1);
}

.image-popup-container img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-popup);
    box-shadow: var(--shadow-popup);
}

.popup-close-btn {
    position: absolute;
    top: -45px;
    right: 0;
    background: rgb(var(--color-glow-rgb) / 0.2);
    color: rgb(var(--color-primary-rgb));
    border: 1px solid rgb(var(--color-glow-rgb) / 0.3);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-size-popup-close);
    transition: all var(--transition-fast);
}

.popup-close-btn:hover {
    background: rgb(var(--color-primary-rgb));
    color: rgb(var(--color-shadow-rgb));
}


/* ============================================================================
   ORGANISM: FLOATING WHATSAPP BUTTON  (components/organisms/whatsapp-float.html)
   Fixed bottom-right. The label bubble slides in on hover/focus.
   ========================================================================== */

.whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: var(--z-whatsapp-float);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.whatsapp-float-bubble {
    position: relative;
    background: rgb(var(--color-primary-rgb));
    color: rgb(var(--color-on-primary-fixed-rgb));
    font-family: var(--font-sans);
    font-size: var(--font-size-whatsapp-bubble);
    font-weight: 500;
    white-space: nowrap;
    padding: 10px 18px;
    border-radius: 24px;
    box-shadow: var(--shadow-bubble);
    opacity: 0;
    transform: translateX(10px) scale(0.9);
    transform-origin: right center;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Little triangular tail pointing at the icon. */
.whatsapp-float-bubble::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border-width: 7px 0 7px 8px;
    border-style: solid;
    border-color: transparent transparent transparent rgb(var(--color-primary-rgb));
}

.whatsapp-float-icon {
    flex-shrink: 0;
    width: var(--whatsapp-icon-size);
    height: var(--whatsapp-icon-size);
    border-radius: 50%;
    background: rgb(var(--color-whatsapp-rgb));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-float);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float-icon svg {
    width: 32px;
    height: 32px;
    fill: rgb(var(--color-primary-rgb));
}

.whatsapp-float:hover .whatsapp-float-bubble,
.whatsapp-float:focus-visible .whatsapp-float-bubble {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.whatsapp-float:hover .whatsapp-float-icon,
.whatsapp-float:focus-visible .whatsapp-float-icon {
    transform: scale(1.08);
    box-shadow: var(--shadow-float-hover);
}


/* ============================================================================
   RESPONSIVE
   ========================================================================== */

/* --- Partner marquee on small screens --- */
@media (max-width: 600px) {
    .ticker-logo-item { padding: 0 28px; height: 60px; }
    .ticker-logo-item img { height: 40px; max-width: 120px; }
}

/* --- Floating WhatsApp button on small screens --- */
@media (max-width: 600px) {
    .whatsapp-float { right: 16px; bottom: 16px; gap: 8px; }
    .whatsapp-float-icon {
        width: var(--whatsapp-icon-size-mobile);
        height: var(--whatsapp-icon-size-mobile);
    }
    .whatsapp-float-icon svg { width: 28px; height: 28px; }
    .whatsapp-float-bubble {
        padding: 8px 14px;
        font-size: var(--font-size-whatsapp-bubble-mobile);
    }
}

/* --- Navbar collapses to a hamburger + dropdown panel; hero headline shrinks --- */
@media (max-width: 1100px) {
    .main-navbar {
        padding: 15px 24px;
        border-radius: var(--radius-button);
    }

    .main-navbar .nav-brand img {
        height: clamp(24px, 7vw, 32px);
    }

    .mobile-toggle {
        display: flex;
    }

    .main-navbar .nav-menu-wrapper {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        margin: 0 auto;
        width: min(90vw, 400px);
        max-width: calc(100vw - 24px);
        background: var(--mobile-menu-bg);
        backdrop-filter: blur(20px);
        border: 1px solid var(--mobile-menu-border);
        border-radius: 24px;
        padding: 30px 20px;
        flex-direction: column;
        gap: 25px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }

    .main-navbar .nav-menu-wrapper.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .main-navbar .nav-links,
    .main-navbar .nav-actions {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .btn-donate {
        width: 100%;
    }

    .hero h1 {
        font-size: var(--font-size-hero-h1-mobile);
    }
}