/* ========================================
   Trinity Praha - Design System
   Inspired by: ntc.ee & everynationseminary.org
   ======================================== */

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

:root {
    /* Colors - Neutral & Warm Earth Tones */
    --color-primary: #4A5568;
    /* Slate gray */
    --color-accent: #D4A574;
    /* Warm beige/gold */
    --color-bg: #F7FAFC;
    /* Off-white */
    --color-text: #2D3748;
    /* Dark gray */
    --color-text-light: #718096;
    /* Medium gray */
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;
    /* Light gray */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;

    /* Container */
    --container-max: 1200px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 2rem;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    display: none;
    /* Hidden until logo is provided */
}

.logo-img.active {
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-link-cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background-color: var(--color-accent);
    color: var(--color-text);
}

/* ========================================
   Animations & Keyframes
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Scroll animations */
.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-content {
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.mission-card {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.mission-card:nth-child(1) {
    animation-delay: 0.1s;
}

.mission-card:nth-child(2) {
    animation-delay: 0.2s;
}

.mission-card:nth-child(3) {
    animation-delay: 0.3s;
}

.mission-card:nth-child(4) {
    animation-delay: 0.4s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: #2D3748;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(74, 85, 104, 0.25);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(74, 85, 104, 0.15);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background-image: linear-gradient(rgba(247, 250, 252, 0.92), rgba(247, 250, 252, 0.92)), url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: var(--spacing-2xl) 0;
    text-align: center;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--color-bg));
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.04em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Mission Section
   ======================================== */
.mission {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    font-weight: 700;
    letter-spacing: -0.03em;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    border-radius: 2px;
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.mission-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.mission-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.mission-card:hover::before {
    transform: scaleX(1);
}

.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--color-accent);
}

.mission-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: all 0.3s ease;
}

.mission-card:hover .mission-icon {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1);
}

.mission-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.mission-description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ========================================
   Coffee Invitation Section
   ======================================== */
.coffee {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-white);
}

.coffee-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.coffee-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.coffee-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.coffee-image:hover img {
    transform: scale(1.05);
}

.coffee-content {
    text-align: left;
}

.coffee-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.coffee-highlight {
    font-size: 1.125rem;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Sunday Service Section
   ======================================== */
.service {
    padding: var(--spacing-2xl) 0;
    background-image: linear-gradient(rgba(247, 250, 252, 0.95), rgba(247, 250, 252, 0.95)), url('../images/community-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.feature {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--color-accent);
}

.feature-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    transition: transform 0.3s ease;
}

.feature:hover .feature-icon {
    transform: scale(1.2);
}

.feature p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.service-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.detail-box {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
}

.detail-box:hover {
    background-color: #2D3748;
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(74, 85, 104, 0.3);
}

.detail-box h3 {
    color: var(--color-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.detail-box p {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.service-welcome {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2D3748 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    height: 50px;
    width: auto;
    display: none;
    /* Hidden until logo is provided */
}

.footer-logo-img.active {
    display: block;
}

.footer-logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.footer-affiliation {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.footer-affiliation a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: color 0.3s ease;
}

.footer-affiliation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.footer-affiliation a:hover {
    color: var(--color-white);
}

.footer-affiliation a:hover::after {
    transform: scaleX(1);
}

.footer-copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
    letter-spacing: 0.05em;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }

    .mission-grid {
        grid-template-columns: 1fr;
    }

    .service-features,
    .service-details {
        grid-template-columns: 1fr;
    }

    .coffee-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .coffee-image {
        order: -1;
    }

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

    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 3rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}