:root {
    --red-primary: #e63946;
    --red-dark: #8b0000;
    --gold-accent: #ffb703;
    --orange-vibrant: #fb8500;
    --bg-dark: #0a0a0a;
    --text-light: #f8f9fa;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    text-transform: uppercase;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    background: rgba(10, 10, 10, 0.3);
}

nav.scrolled {
    padding: 1rem 5%;
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--gold-accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 35px;
    width: auto;
    filter: brightness(0) invert(1) drop-shadow(0 0 5px rgba(255, 183, 3, 0.5));
}

.nav-title-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--gold-accent);
}

.menu-toggle {
    display: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

/* Hero Section */
#inicio {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.2), var(--bg-dark)), url('portada.jpg');
    background-size: cover;
    background-position: center;
    z-index: -1;
    transform: scale(1.1);
    animation: panBg 20s infinite alternate;
}

@keyframes panBg {
    from { transform: scale(1.1) translateY(0); }
    to { transform: scale(1.2) translateY(-20px); }
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    z-index: 10;
}

.hero-top-text {
    font-size: 1.2rem;
    letter-spacing: 10px;
    color: var(--gold-accent);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 1s forwards 0.5s;
}

.main-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1;
    margin-bottom: 2rem;
    background: linear-gradient(to bottom, #fff, var(--gold-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s forwards 0.8s;
}

.hero-dates {
    font-size: 1.5rem;
    display: inline-block;
    padding: 0.5rem 2rem;
    background: var(--red-primary);
    color: white;
    border-radius: 50px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.4);
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 1s forwards 1.1s;
}

/* Countdown */
#cuando {
    padding: 8rem 5%;
    background: radial-gradient(circle at center, #1a0a0a, var(--bg-dark));
    text-align: center;
}

.section-tag {
    color: var(--red-primary);
    text-transform: uppercase;
    letter-spacing: 5px;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 4rem;
}

.countdown-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.countdown-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.countdown-card:hover {
    transform: translateY(-10px);
    border-color: var(--red-primary);
}

.count-num {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gold-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.count-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Pastor Section */
.pastor-section {
    padding: 8rem 5%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pastor-img-wrapper {
    position: relative;
}

.pastor-img-wrapper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--red-primary);
    border-radius: 20px;
    z-index: -1;
}

.pastor-img {
    width: 100%;
    border-radius: 20px;
    filter: grayscale(0.2);
    transition: var(--transition);
}

.pastor-img:hover {
    filter: grayscale(0);
}

.pastor-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--gold-accent);
}

.pastor-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Timeline Section */
#donde {
    padding: 8rem 5%;
    background: url('city_bg.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

#donde::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(10, 10, 10, 0.9);
    z-index: 1;
}

.timeline-wrapper {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--red-primary), var(--gold-accent), transparent);
}

.timeline-item {
    margin-bottom: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 0;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.timeline-content:hover {
    background: rgba(230, 57, 70, 0.1);
    border-color: var(--red-primary);
    transform: translateY(-5px);
}

.timeline-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 2px solid var(--red-primary);
}

.timeline-info {
    padding: 1.5rem;
}

.timeline-date {
    color: var(--red-primary);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-city {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.btn-location {
    margin-top: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--gold-accent);
    border-radius: 50px;
    transition: var(--transition);
}

.btn-location:hover {
    background: var(--gold-accent);
    color: black;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: var(--gold-accent);
    border-radius: 50%;
    border: 4px solid var(--bg-dark);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    box-shadow: 0 0 15px var(--gold-accent);
}

/* Footer */
footer {
    padding: 4rem 5%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--red-primary);
    transform: translateY(-5px);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Bible Study Slider */
#estudia {
    padding: 8rem 5%;
    background: linear-gradient(to top, #1a0a0a, var(--bg-dark));
    text-align: center;
}

.slider-container {
    width: 100%;
    margin: 3rem auto;
    position: relative;
    overflow: hidden;
    padding: 2rem 0;
}

.slider-track {
    display: flex;
    gap: 2rem;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.study-card {
    min-width: 300px;
    height: 420px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    background-size: cover;
    background-position: center;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.study-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.8));
    z-index: 1;
}

.study-card * {
    position: relative;
    z-index: 2;
}

.study-card i,
.study-card .card-icon-img {
    height: 4.5rem;
    width: auto;
    color: var(--gold-accent);
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 15px rgba(255, 183, 3, 0.4));
}

.study-card i {
    font-size: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.study-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: white;
}

.whatsapp-btn {
    background: #25d366;
    color: white;
    padding: 1.2rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    margin-top: 3rem;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.whatsapp-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.5);
    background: #20ba5a;
}

/* Conocenos Section */
#conocenos {
    padding: 8rem 5%;
    background: radial-gradient(circle at bottom, #1a0a0a, var(--bg-dark));
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.site-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-decoration: none;
    color: white;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.site-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 80%;
    height: 80%;
    background: var(--card-bg-logo, url('logo.png')) no-repeat center;
    background-size: contain;
    transform: translate(-50%, -50%);
    opacity: 0.08;
    z-index: -1;
    pointer-events: none;
    transition: var(--transition);
}

.site-card:hover {
    border-color: var(--gold-accent);
    background: rgba(255, 183, 3, 0.08);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.site-card:hover::after {
    opacity: 0.12;
    transform: translate(-50%, -50%) rotate(15deg) scale(1.1);
}

.card-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 183, 3, 0.3));
    transition: var(--transition);
    margin-bottom: 0.5rem;
}

.site-card:hover .card-logo {
    transform: scale(1.2);
    filter: brightness(0) invert(0.8) sepia(1) hue-rotate(-15deg) saturate(5);
}

.site-name {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
}

/* Mobile */
@media (max-width: 768px) {
    .pastor-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-marker {
        left: 20px;
    }

    .timeline-content {
        width: calc(100% - 60px);
        margin-left: 60px;
    }

    .timeline-item, .timeline-item:nth-child(even) {
        flex-direction: row;
        justify-content: flex-start;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: var(--transition);
        z-index: 1000;
        border-left: 1px solid var(--glass-border);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .links-grid {
        grid-template-columns: 1fr;
    }
}

/* Slider Navigation */
.slider-outer-container {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 60px;
}

.slider-nav-btn {
    position: absolute;
    top: calc(50% + 15px); /* Adjusted for section title and tag presence */
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    color: var(--text-light);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.slider-nav-btn:hover {
    background: var(--red-primary);
    border-color: var(--red-primary);
    transform: translateY(-50%) scale(1.1);
}

.slider-nav-btn.prev { left: 0; }
.slider-nav-btn.next { right: 0; }

/* Scroll to Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--red-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(230, 57, 70, 0.4);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    background: var(--red-dark);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(230, 57, 70, 0.6);
}