/* Custom Theme Variables for Hilo Christian Broadcasting Corporation */
:root {
    --primary-color: #1e3a8a;
    --primary-hover: #172554;
    --secondary-color: #d97706;
    --accent-color: #f59e0b;
    --dark-color: #0f172a;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --gradient-bg: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    --hero-btn-gradient: linear-gradient(135deg, #d97706 0%, #b45309 100%);
    
    --email-bg: #eff6ff;
    --email-border: #3b82f6;
    --email-color: #1d4ed8;
    
    --text-main: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.06), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.12), 0 8px 10px -6px rgb(0 0 0 / 0.06);
    
    --heading-font: 'Outfit', sans-serif;
    --body-font: 'Plus Jakarta Sans', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Reset & Typography */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--body-font);
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.65;
    overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

h1, h2, h3, h4 {
    font-family: var(--heading-font);
    color: var(--dark-color);
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.text-center {
    text-align: center;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
}

/* Badges & Section Headers */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--light-bg);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0,0,0,0.08);
    text-transform: uppercase;
}

.divider {
    height: 4px;
    width: 64px;
    background: var(--gradient-bg);
    margin: 18px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--secondary-color);
    font-weight: 700;
}

.section-title {
    font-size: 2.35rem;
    margin-top: 8px;
    font-weight: 800;
}

.section-header {
    margin-bottom: 50px;
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 28px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.primary-cta {
    background: var(--hero-btn-gradient);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    filter: brightness(1.08);
}

.outline-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.outline-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.secondary-link {
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
}

.secondary-link:hover {
    color: var(--primary-hover);
    transform: translateX(4px);
}

/* Sticky Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-brandmark {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: var(--gradient-bg);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
}

.logo-text {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--dark-color);
    font-family: var(--heading-font);
    max-width: 340px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.925rem;
    color: var(--text-main);
}

.nav-link:hover {
    color: var(--primary-color);
}

.header-donate-btn {
    padding: 10px 22px;
    background: var(--primary-color);
    color: var(--white);
    font-size: 0.875rem;
}

.header-donate-btn:hover {
    background: var(--primary-hover);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero-section {
    padding-top: 130px;
    padding-bottom: 70px;
    background: linear-gradient(180deg, var(--light-bg) 0%, #ffffff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-title {
    font-size: 2.85rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 16px 0 12px;
}

.hero-tagline {
    font-size: 1.15rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 14px;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 540px;
}

.hero-actions-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-img-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.hero-badge-overlay {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    color: #ffffff;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.hero-badge-overlay strong {
    color: var(--accent-color);
    font-size: 0.95rem;
}

/* About Section */
.about-section {
    background-color: #ffffff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 50px;
    align-items: center;
}

.about-img-frame {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-img {
    width: 100%;
    height: 460px;
    object-fit: cover;
}

.about-text-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition-smooth);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.card-accent-tag {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.about-paragraph {
    color: var(--text-light);
}

/* Events Section */
.events-section {
    background-color: var(--light-bg);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.event-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.event-img-wrapper {
    position: relative;
    overflow: hidden;
}

.event-img {
    width: 100%;
    height: 210px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.event-card:hover .event-img {
    transform: scale(1.05);
}

.event-date {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: var(--gradient-bg);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.event-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 12px;
}

.event-info h3 {
    font-size: 1.2rem;
    font-weight: 750;
}

.event-info p {
    color: var(--text-light);
    font-size: 0.925rem;
    flex-grow: 1;
}

.event-action-btn {
    padding: 10px;
    border-radius: 6px;
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.875rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.event-action-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Involvement Grid */
.involvement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    margin-top: 40px;
}

.involvement-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.involvement-badge {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-color);
}

.bank-info-container {
    background: var(--light-bg);
    border-left: 4px solid var(--primary-color);
    padding: 16px;
    border-radius: 8px;
    margin-top: 8px;
}

.bank-details-text {
    font-size: 0.875rem;
    color: var(--text-main);
    margin-top: 4px;
}

/* Contact Section */
.contact-section {
    background-color: #ffffff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 50px;
}

.contact-info-card {
    background: var(--light-bg);
    padding: 40px;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.method-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 2px;
}

.method-value {
    font-weight: 600;
    color: var(--dark-color);
}

/* LƯU Ý BẮT BUỘC: EMAIL TO HƠN BÌNH THƯỜNG */
.email-prominent-box {
    background: var(--email-bg);
    border: 2px solid var(--email-border);
    padding: 16px 20px;
    border-radius: 12px;
    margin: 8px 0;
}

.prominent-email-text {
    font-size: 1.3rem;
    font-weight: 800;
    margin-top: 4px;
}

.prominent-email-text a {
    color: var(--email-color);
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 14px;
    margin-top: 8px;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--card-bg);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0,0,0,0.06);
}

.social-icon:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.06);
}

.form-group {
    margin-bottom: 18px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}

.form-submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
}

/* Footer Section */
.main-footer {
    background: var(--dark-color);
    color: #e2e8f0;
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1.15fr 1fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-heading {
    color: #ffffff;
    font-size: 1.25rem;
    margin-bottom: 22px;
    font-weight: 750;
    position: relative;
    padding-bottom: 10px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.footer-info-item {
    margin-bottom: 14px;
}

.footer-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #94a3b8;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.footer-strong-text {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.05rem;
}

/* BẮT BUỘC: EMAIL FOOTER TO HƠN BÌNH THƯỜNG */
.footer-email-highlight {
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid var(--accent-color);
    padding: 14px 18px;
    border-radius: 10px;
    margin-top: 18px;
}

.large-footer-email {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.2px;
    margin-top: 4px;
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
}

.large-footer-email:hover {
    color: var(--accent-color);
}

/* Legal Column */
.legal-badge-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tax-exempt-pill {
    display: inline-block;
    align-self: flex-start;
    background: var(--secondary-color);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.legal-statement {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
}

.ein-box {
    background: rgba(0, 0, 0, 0.3);
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.ein-label {
    display: block;
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
}

.ein-number {
    font-size: 1.25rem;
    color: #ffffff;
    letter-spacing: 1px;
    font-family: monospace;
}

.tax-deductible-note {
    font-size: 0.825rem;
    color: #94a3b8;
    line-height: 1.5;
}

/* Policies Column */
.policy-intro {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-bottom: 18px;
}

.policies-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 24px;
}

.policy-link {
    font-weight: 600;
    color: #ffffff;
    font-size: 0.95rem;
}

.policy-link:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.footer-social-wrap .social-links {
    margin-top: 10px;
}

/* Footer Bottom */
.footer-bottom {
    background: rgba(0, 0, 0, 0.4);
    padding: 24px 0;
}

.bottom-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
}

.copyright-text {
    font-size: 0.85rem;
    color: #94a3b8;
}

.scroll-top-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.scroll-top-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-4px);
}

/* MODALS & POPUPS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.close-modal-btn {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #64748b;
    line-height: 1;
    transition: var(--transition-smooth);
}

.close-modal-btn:hover {
    color: #0f172a;
    transform: scale(1.1);
}

/* Contact Modal */
.contact-form-modal,
.policy-modal,
.success-message-modal {
    background: #ffffff;
    border-radius: 18px;
    width: 100%;
    max-width: 560px;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    0% { opacity: 0; transform: scale(0.92) translateY(10px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-title {
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.modal-subtitle {
    color: var(--text-light);
    font-size: 0.925rem;
    margin-bottom: 24px;
}

/* Success Modal */
.success-icon-wrapper {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: #dcfce7;
    color: #16a34a;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.success-message-modal h3 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.success-message-modal p {
    color: var(--text-light);
    margin-bottom: 26px;
}

.close-success-cta-btn {
    padding: 12px 30px;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

/* Policy Modal */
.policy-modal {
    max-width: 680px;
}

.policy-scroll-content {
    max-height: 380px;
    overflow-y: auto;
    padding-right: 12px;
    margin-top: 16px;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.95rem;
}

.last-updated {
    font-size: 0.825rem;
    color: var(--text-light);
}

/* Mobile Menu Modal */
.mobile-menu-modal {
    background: #ffffff;
    width: 100%;
    max-width: 380px;
    border-radius: 18px;
    padding: 36px 28px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.mobile-menu-logo {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--dark-color);
}

.mobile-links-container {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 28px;
}

.mobile-link {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.mobile-donate-btn {
    width: 100%;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .events-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero-title {
        font-size: 2.35rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .events-grid,
    .involvement-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .bottom-flex {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .hero-title {
        font-size: 2rem;
    }
    .prominent-email-text,
    .large-footer-email {
        font-size: 1.15rem;
        word-break: break-all;
    }
}