/* =============================================================
   Café Jakobsklause – Custom CSS
   Complements Tailwind CDN build
   ============================================================= */

/* -------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   ------------------------------------------------------------- */
:root {
    --color-cream:          #FAF7F2;
    --color-cream-bg:       #F5EFE6;
    --color-brown:          #8B5E3C;
    --color-brown-dark:     #6B4423;
    --color-brown-light:    #C49A6C;
    --color-green:          #3D5A47;
    --color-green-dark:     #2C4233;
    --color-green-light:    #5A7A66;

    --font-serif:           "Playfair Display", Georgia, "Times New Roman", serif;
    --font-sans:            "Lato", system-ui, -apple-system, sans-serif;

    --shadow-sm:            0 1px 3px rgba(139, 94, 60, 0.10), 0 1px 2px rgba(139, 94, 60, 0.06);
    --shadow-md:            0 4px 12px rgba(139, 94, 60, 0.12), 0 2px 6px rgba(139, 94, 60, 0.07);
    --shadow-lg:            0 10px 30px rgba(139, 94, 60, 0.15), 0 4px 12px rgba(139, 94, 60, 0.08);
    --shadow-xl:            0 20px 50px rgba(30, 20, 10, 0.20), 0 8px 20px rgba(30, 20, 10, 0.10);

    --radius-sm:            6px;
    --radius-md:            10px;
    --radius-lg:            16px;
    --radius-xl:            24px;

    --transition-fast:      150ms ease;
    --transition-base:      250ms ease;
    --transition-slow:      400ms ease;

    --header-height:        5rem; /* 80px */
}


/* -------------------------------------------------------------
   2. Base & Typography
   ------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1rem);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-cream);
    color: #374151;
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#main-content {
    flex: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    line-height: 1.25;
    color: var(--color-green);
}

.font-serif, [class*="font-serif"] {
    font-family: var(--font-serif);
}

.font-sans, [class*="font-sans"] {
    font-family: var(--font-sans);
}

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

a {
    color: var(--color-brown);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover { color: var(--color-brown-dark); }

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

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-brown);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}


/* -------------------------------------------------------------
   3. Navigation
   ------------------------------------------------------------- */

/* Default state: solid cream, used on all inner pages */
.site-header {
    background: rgba(250,247,242,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(139,94,60,0.1);
    box-shadow: none;
}

/* Transparent state: hero pages before scroll */
.hero-page .site-header {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
}

/* After scroll: always solid */
.site-header.scrolled {
    background: rgba(250,247,242,0.97) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: rgba(139,94,60,0.1) !important;
    box-shadow: 0 1px 20px rgba(30,15,5,0.07);
}

/* Nav links — default (solid nav) */
.nav-link {
    color: #4a3728;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--color-brown);
    transform: translateX(-50%);
    transition: width 0.25s ease;
}
.nav-link:hover { color: var(--color-brown); }
.nav-link:hover::after,
.nav-link--active::after { width: 55%; }
.nav-link--active { color: var(--color-brown); }

/* Nav links — transparent/hero state */
.hero-page .site-header:not(.scrolled) .nav-link { color: rgba(250,247,242,0.82); }
.hero-page .site-header:not(.scrolled) .nav-link:hover { color: #FAF7F2; }
.hero-page .site-header:not(.scrolled) .nav-link--active { color: #FAF7F2; }
.hero-page .site-header:not(.scrolled) .nav-link::after { background: rgba(250,247,242,0.6); }

/* Logo colors on transparent nav */
.hero-page .site-header:not(.scrolled) .logo-text-cafe { color: #FAF7F2 !important; }
.hero-page .site-header:not(.scrolled) .logo-text-name { color: rgba(196,154,108,0.9) !important; }
.hero-page .site-header:not(.scrolled) .nav-cta {
    background: rgba(250,247,242,0.15) !important;
    color: #FAF7F2 !important;
    border: 1.5px solid rgba(250,247,242,0.35) !important;
}
.hero-page .site-header:not(.scrolled) .nav-cta:hover {
    background: rgba(250,247,242,0.25) !important;
}
/* Hamburger on transparent nav */
.hero-page .site-header:not(.scrolled) .hamburger-line { background-color: #FAF7F2 !important; }

/* Hamburger animation */
#hamburger-btn.is-open .hamburger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
#hamburger-btn.is-open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
#hamburger-btn.is-open .hamburger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); width: 1.25rem !important; margin-left: 0 !important; }

/* Mobile menu */
.mobile-menu {
    transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1);
    background: rgba(250,247,242,0.98);
}


/* -------------------------------------------------------------
   4. Hero Section
   ------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    background-color: var(--color-green-dark);
    min-height: 520px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    opacity: 0.45;
    transition: transform 8s ease-out;
}

.hero:hover .hero-bg {
    transform: scale(1.03);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(61, 90, 71, 0.70) 0%,
        rgba(30, 20, 10, 0.50) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-serif);
    color: var(--color-cream);
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-family: var(--font-sans);
    color: rgba(250, 247, 242, 0.85);
    text-shadow: 0 1px 6px rgba(0,0,0,0.25);
}

/* Decorative divider */
.section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-brown-light);
    opacity: 0.4;
}
.section-divider-icon {
    color: var(--color-brown);
    font-size: 1.25rem;
    flex-shrink: 0;
}


/* -------------------------------------------------------------
   5. Service / Feature Cards
   ------------------------------------------------------------- */
.service-card {
    background: var(--color-cream);
    border: 1px solid rgba(139, 94, 60, 0.12);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
    will-change: transform;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(139, 94, 60, 0.25);
}

.service-card__image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.service-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-card__image {
    transform: scale(1.06);
}

.service-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.1875rem;
    color: var(--color-green);
    margin-bottom: 0.5rem;
}

.service-card__text {
    font-size: 0.9375rem;
    color: #6B7280;
    line-height: 1.6;
}


/* -------------------------------------------------------------
   6. Buttons
   ------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6875rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background-color var(--transition-base),
                color var(--transition-base),
                border-color var(--transition-base),
                transform var(--transition-fast),
                box-shadow var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--color-brown);
    color: var(--color-cream);
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    background: var(--color-brown-dark);
    color: var(--color-cream);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-brown);
    border-color: var(--color-brown);
}
.btn-outline:hover {
    background: var(--color-brown);
    color: var(--color-cream);
}

.btn-green {
    background: var(--color-green);
    color: var(--color-cream);
    box-shadow: var(--shadow-sm);
}
.btn-green:hover {
    background: var(--color-green-dark);
    color: var(--color-cream);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.0625rem;
}


/* -------------------------------------------------------------
   7. Gallery & Lightbox
   ------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1rem;
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.125rem;
    }
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    background: var(--color-cream-bg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.gallery-item:hover {
    box-shadow: var(--shadow-lg);
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(30,20,10,0.55) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: 0.75rem;
}

.gallery-item:hover .gallery-item__overlay { opacity: 1; }

.gallery-item__caption {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-cream);
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
    transform: translateY(4px);
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item__caption {
    transform: translateY(0);
}

/* Gallery tabs */
.gallery-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.gallery-tab {
    padding: 0.5rem 1.125rem;
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--color-brown);
    background: transparent;
    color: var(--color-brown);
    transition: background-color var(--transition-base),
                color var(--transition-base),
                transform var(--transition-fast);
}

.gallery-tab:hover { background: rgba(139, 94, 60, 0.08); }

.gallery-tab.is-active {
    background: var(--color-brown);
    color: var(--color-cream);
}

.gallery-tab:active { transform: scale(0.96); }

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 10, 5, 0.92);
    z-index: 9500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox-container {
    position: relative;
    max-width: min(90vw, 1100px);
    max-height: 88vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    transition: opacity 0.25s ease;
}

.lightbox-img.is-loading { opacity: 0.4; }

.lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(250, 247, 242, 0.15);
    border: 1.5px solid rgba(250, 247, 242, 0.25);
    color: var(--color-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-base);
    backdrop-filter: blur(4px);
}

.lightbox-btn:hover {
    background: rgba(250, 247, 242, 0.28);
}

.lightbox-btn--prev { left: -3.75rem; }
.lightbox-btn--next { right: -3.75rem; }

@media (max-width: 768px) {
    .lightbox-btn--prev { left: 0.25rem; }
    .lightbox-btn--next { right: 0.25rem; }
    .lightbox-btn { width: 2.5rem; height: 2.5rem; }
}

.lightbox-close {
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(250, 247, 242, 0.15);
    border: 1.5px solid rgba(250, 247, 242, 0.25);
    color: var(--color-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-base);
    backdrop-filter: blur(4px);
    z-index: 1;
}

.lightbox-close:hover {
    background: rgba(250, 247, 242, 0.28);
    transform: rotate(90deg);
}

.lightbox-caption {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 10, 5, 0.65);
    color: var(--color-cream);
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    font-size: 0.875rem;
    backdrop-filter: blur(6px);
    white-space: nowrap;
    max-width: calc(100vw - 2rem);
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.lightbox-overlay.is-open .lightbox-caption { opacity: 1; }


/* -------------------------------------------------------------
   8. Lazy Loading
   ------------------------------------------------------------- */
img[data-src],
img.lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img.lazy-loaded {
    opacity: 1;
}


/* -------------------------------------------------------------
   9. Section Styles
   ------------------------------------------------------------- */
.section {
    padding: 3.5rem 0;
}

@media (min-width: 768px) {
    .section { padding: 5rem 0; }
}

@media (min-width: 1024px) {
    .section { padding: 6.5rem 0; }
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.625rem, 3vw + 0.5rem, 2.5rem);
    color: var(--color-green);
    margin-bottom: 0.75rem;
}

.section-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(0.9375rem, 1.5vw + 0.25rem, 1.125rem);
    color: #6B7280;
    line-height: 1.7;
}

.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-brown);
    margin-bottom: 0.625rem;
}

.section--bg {
    background: var(--color-cream-bg);
}

.section--green {
    background: var(--color-green);
    color: var(--color-cream);
}

.section--green h1,
.section--green h2,
.section--green h3,
.section--green .section-title {
    color: var(--color-cream);
}


/* -------------------------------------------------------------
   10. Forms
   ------------------------------------------------------------- */
.form-field {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-green);
    margin-bottom: 0.375rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    border: 1.5px solid rgba(139, 94, 60, 0.25);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    color: #374151;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.5;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-brown);
    box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #9CA3AF;
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
}

.form-error {
    font-size: 0.8125rem;
    color: #DC2626;
    margin-top: 0.3rem;
}

.form-success {
    background: rgba(61, 90, 71, 0.1);
    border: 1.5px solid rgba(61, 90, 71, 0.3);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    color: var(--color-green-dark);
    font-size: 0.9375rem;
    display: none;
}

.form-success.is-visible { display: block; }


/* -------------------------------------------------------------
   11. Badges & Tags
   ------------------------------------------------------------- */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25em 0.65em;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.tag-brown  { background: rgba(139,94,60,0.12);  color: var(--color-brown-dark); }
.tag-green  { background: rgba(61,90,71,0.12);   color: var(--color-green-dark); }
.tag-cream  { background: var(--color-cream);     color: var(--color-brown); }


/* -------------------------------------------------------------
   12. Dividers & Ornaments
   ------------------------------------------------------------- */
.ornament {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    color: var(--color-brown-light);
    margin: 1.5rem 0;
}

.ornament::before,
.ornament::after {
    content: '';
    flex: 1;
    height: 1px;
    background: currentColor;
    opacity: 0.45;
}

.ornament-text {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}


/* -------------------------------------------------------------
   13. Scroll Reveal / Fade-in Animation
   ------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }


/* -------------------------------------------------------------
   14. Utility Classes
   ------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 1rem;
}

@media (min-width: 640px)  { .container { padding-inline: 1.5rem; } }
@media (min-width: 1024px) { .container { padding-inline: 2rem; }   }

.text-balance { text-wrap: balance; }

.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }


/* -------------------------------------------------------------
   15. Mobile / Responsive Adjustments
   ------------------------------------------------------------- */
@media (max-width: 640px) {
    :root {
        --header-height: 4rem;
    }

    .section { padding: 2.5rem 0; }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .lightbox-btn--prev,
    .lightbox-btn--next {
        display: none;
    }

    .popup-modal {
        max-width: 100%;
        margin: 0;
        border-radius: 16px 16px 0 0;
        max-height: 92vh;
    }

    .popup-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .popup-overlay.is-visible .popup-modal {
        transform: translateY(0) scale(1);
    }

    .popup-modal {
        transform: translateY(100%);
    }
}

@media (max-width: 400px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.375rem;
    }
}


/* -------------------------------------------------------------
   16. Print
   ------------------------------------------------------------- */
@media print {
    .site-header,
    footer,
    .popup-overlay,
    .lightbox-overlay,
    #hamburger-btn {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    a { color: #000; }
    a[href]::after { content: " (" attr(href) ")"; font-size: 0.75em; }
}