/* ==========================================================================
   Summer Pastel Elegance — Full-Screen Snap Slides
   ========================================================================== */

:root {
    /* Summer Pastel Palette */
    --sky:          #7ecae0;
    --sky-dark:     #5aaecc;
    --peach:        #f09b70;
    --peach-pale:   #fad8be;
    --dandelion:    #f0c440;
    --sage:         #bcb88a;
    --text-dark:    #1a2535;


    --main-color: rgba(8, 18, 28, 1);;

    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body:    'DM Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Effects */
    --border-radius:    2px;
    --border-radius-lg: 12px;
    --transition-speed: 0.3s;
    --shadow-card:      0 2px 20px rgba(126, 202, 224, 0.12);

    /* Slide overlay tones — kept light so photos read through the tinted glass */
    --overlay-top:    rgba(8, 18, 28, 0.12);
    --overlay-bottom: rgba(8, 18, 28, 0.38);

    /* White-on-photo text & surface tokens */
    --glass-bg:           rgba(255, 255, 255, 0.10);  /* frosted card/input backgrounds */
    --white-faint:        rgba(255, 255, 255, 0.45);  /* decorative lines, placeholder text */
    --text-overlay:       rgba(255, 255, 255, 0.95);  /* body text on photo */
    --text-overlay-muted: rgba(255, 255, 255, 0.80);  /* secondary text on photo */

    /* Shared sizing tokens */
    --font-size-label:   0.72rem;   /* nav links, btn, hero date/location */
    --navbar-clearance:  calc(6rem + env(safe-area-inset-top, 0px)); /* navbar height + Dynamic Island */
}

/* ── Reset ─────────────────────────────────────────────────────────────── */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    background-color: var(--main-color);
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100%;
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 400;
}

/* ── Shared Slide Shell ─────────────────────────────────────────────────── */

.slide {
    position: relative;
    display: flex;
    align-items: flex-start; /* card anchors to the top; photo shows below */
    justify-content: center;
    overflow: hidden;
    text-align: center;
}

/* Content sits above the overlay */
.slide > * {
    position: relative;
    z-index: 2;
}

/* Shared container */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Content card — all content slides */
.slide-content .container {
    background-color: var(--main-color);
    border: 1px solid rgba(255, 255, 255, 0.08);
    /* Top corners flat (card is flush with section top); bottom corners rounded */
    border-radius: 16px 16px 16px 16px;
    /* Top padding clears the fixed navbar; sides/bottom are card interior spacing */
    padding: var(--navbar-clearance) var(--spacing-md) var(--spacing-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ── Slide · Separator (image-only sections between content) ─────────── */

.slide-separator {
    min-height: 60vh;
    padding: 0 !important;
    margin-top: -60px;
    margin-bottom: -60px;
}

/* Dark overlay (applied to every photo slide) */
.slide-decorative::before,
.slide-separator::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        var(--overlay-top)    0%,
        var(--overlay-bottom) 100%
    );
    z-index: 1;
    pointer-events: none;
}

/* Warm sage blending at the card junction edges — replaces the old fade-to-black mask */
.slide-separator::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(from var(--main-color) r g b / 0.65)  0%,
        rgba(from var(--main-color) r g b / 0.20) 12%,
        transparent                          24%,
        transparent                          76%,
        rgba(from var(--main-color) r g b / 0.20) 88%,
        rgba(from var(--main-color) r g b / 0.65) 100%
    );
    z-index: 2;
    pointer-events: none;
}

/* Content slides overlap separator sections for parallax effect */
.slide-content {
 /*   margin-top: -60px;
    margin-bottom: -60px;*/
    position: relative;
    z-index: 10;
}

/* ── Background layer cycler ────────────────────────────────────────────── */

/*
 * Background layer — one active layer per slide.
 * Control crop with inline custom properties on each layer div:
 *
 *   --bg-pos        desktop background-position  (default: center center)
 *   --bg-pos-mobile mobile background-position   (default: same as --bg-pos)
 *
 * Example:
 *   <div class="slide-bg"
 *        style="background-image: url('images/bg3.png');
 *               --bg-pos: center 30%;
 *               --bg-pos-mobile: 60% center">
 *   </div>
 *
 * Multiple layers are allowed — only the last (topmost) is visible.
 * Comment out layers to switch between alternatives.
 */
.slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: var(--bg-pos, center center);
    background-attachment: scroll;
    z-index: 0;
    overflow: hidden;
}

/* Desktop parallax effect — only on larger screens where it works reliably */
@media (min-width: 769px) {
    .slide-bg {
        background-attachment: fixed;
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .slide-bg {
        background-position: var(--bg-pos-mobile, var(--bg-pos, center center));
    }
}

/* ── Navigation ─────────────────────────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: calc(var(--spacing-sm) + env(safe-area-inset-top, 0px))
             var(--spacing-md)
             var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.20);
    transition: background var(--transition-speed),
                border-color var(--transition-speed);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 400;
    letter-spacing: 4px;
    color: white;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    border: none;
    background: none;
}

.bar {
    height: 2px;
    width: 24px;
    background-color: white;
    border-radius: 1px;
    transition: background-color var(--transition-speed),
                transform 0.3s ease,
                opacity 0.3s ease;
    transform-origin: center;
}

.menu-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.menu-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-links {
    list-style: none;
    display: flex;
    gap: var(--spacing-lg);
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.82);
    font-size: var(--font-size-label);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 400;
    transition: color var(--transition-speed);
}

.nav-links a:hover { color: var(--peach-pale); }

/* ── Shared heading styles ──────────────────────────────────────────────── */

h2 {
    font-size: 3.2rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-lg);
    color: white;
}

h2::after {
    content: '';
    display: block;
    width: 34px;
    height: 1px;
    background: var(--white-faint);
    margin: 0.9rem auto 0;
}

h3 {
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--peach-pale);
    letter-spacing: 1px;
}

/* ── Button ─────────────────────────────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 11px 34px;
    background: transparent;
    color: white;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background var(--transition-speed),
                border-color var(--transition-speed),
                color var(--transition-speed);
    font-family: var(--font-body);
    font-size: var(--font-size-label);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 400;
}

.btn:hover {
    background: var(--peach);
    border-color: var(--peach);
    color: white;
}

/* ── Slide 1 · Hero ─────────────────────────────────────────────────────── */

.hero {
    min-height: 100vh;                       /* hero fills the full viewport */
    min-height: 100dvh;                       /* hero fills the full viewport */
    min-height: calc(var(--vh, 1svh) * 100);  /* JS-frozen value takes over when available */
    padding: 0;                               /* override section padding — centering handles positioning */
    color: white;
    align-items: center;                      /* center content vertically */
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}


.hero .announcement {
    font-family: var(--font-heading);
    font-size: 5.2rem;
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: 1px;
    margin-bottom: 2.4rem;
}

.hero .announcement em {
    font-style: italic;
    color: var(--peach-pale);
    font-weight: 300;
}

/* ── Slide 2 · Countdown ────────────────────────────────────────────────── */

#countdown .container {
    border-radius: 0 0 16px 16px;
}


/* .slide-countdown — background handled by .slide-bg layers */

.countdown-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(1rem, 4vw, 3rem);
    flex-wrap: wrap;
}

.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    min-width: 80px;
}

.countdown-number {
    font-family: var(--font-heading);
    font-weight: 300;
    font-size: clamp(3.6rem, 9vw, 7rem);
    line-height: 1;
    color: white;
    letter-spacing: -1px;
    transition: color 0.15s;
}

#cd-seconds { color: var(--peach-pale); }

.countdown-name {
    font-family: var(--font-body);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-overlay-muted);
    font-weight: 400;
}

.countdown-sep {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--text-overlay-muted);
    line-height: 1;
    align-self: center;
    margin-bottom: 1.4rem;
}

@media screen and (max-width: 480px) {
    .countdown-sep  { display: none; }
    .countdown-grid { gap: 1.4rem 2rem; }
}

/* ── Slide 3 · Details ──────────────────────────────────────────────────── */

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    text-align: left;
}

.detail-item {
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: border-color var(--transition-speed);
}

.detail-item:hover {
    border-color: rgba(250, 216, 190, 0.45);
}

.detail-item p {
    color: var(--text-overlay-muted);
    font-size: 0.88rem;
    line-height: 1.75;
}

.detail-item p strong {
    color: white;
    font-weight: 500;
}

.detail-item p:not(:last-child) { margin-bottom: 0.6rem; }

.detail-item iframe {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    margin-top: var(--spacing-sm);
    opacity: 0.85;
}

.map-link { display: none; }

/* ── Slide 4 · Schedule ─────────────────────────────────────────────────── */

/* Timeline on dark photo background */
.timeline {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    text-align: left;
    padding-left: 2.4rem;
    margin-top: var(--spacing-sm);
}

/* Vertical connecting line */
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 1px;
    background: linear-gradient(
        to bottom,
        transparent,
        rgba(250, 216, 190, 0.70) 8%,
        rgba(250, 216, 190, 0.70) 92%,
        transparent
    );
}

.event {
    position: relative;
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: var(--spacing-sm);
    padding: 0.75rem 0;
}

/* Dot on the line */
.event::before {
    content: '';
    position: absolute;
    left: calc(-2.4rem - 4px);
    top: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid var(--peach-pale);
    transform: translateY(-50%);
}

.event .time {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--peach-pale);
    white-space: nowrap;
}

.event .activity {
    color: rgba(255, 255, 255, 0.90);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.5;
}

/* ── Slide 5 · RSVP ─────────────────────────────────────────────────────── */

.rsvp-intro {
    color: var(--text-overlay-muted);
    margin-bottom: var(--spacing-md);
    font-size: 0.88rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.rsvp-form {
    max-width: 480px;
    margin: 0 auto;
    text-align: left;
}

.rsvp-field {
    margin-bottom: 1.25rem;
}

.rsvp-label {
    display: block;
    color: var(--text-overlay-muted);
    font-size: var(--font-size-label);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.5rem;
}

.rsvp-input,
.rsvp-textarea {
    padding: 11px 16px;
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: white;
    width: 100%;
    transition: border-color var(--transition-speed);
}

.rsvp-input::placeholder,
.rsvp-textarea::placeholder { color: var(--white-faint); }

.rsvp-input:focus,
.rsvp-textarea:focus {
    outline: none;
    border-color: var(--peach);
}

.rsvp-input--narrow { max-width: 100px; }

.rsvp-textarea {
    resize: vertical;
    min-height: 80px;
}

.rsvp-radio-group {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.rsvp-radio-label {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--text-overlay);
    font-size: 0.9rem;
    cursor: pointer;
}

.rsvp-radio-label input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: border-color var(--transition-speed), background var(--transition-speed);
    flex-shrink: 0;
}

.rsvp-radio-label input[type="radio"]:checked {
    border-color: var(--peach);
    background: var(--peach);
    box-shadow: inset 0 0 0 3px rgba(8, 18, 28, 0.65);
}

.rsvp-guest-names {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.25rem;
}

.rsvp-submit-row {
    margin-top: 1.75rem;
    text-align: center;
}

.rsvp-status {
    color: var(--text-overlay-muted);
    font-size: 0.88rem;
    margin-top: var(--spacing-sm);
    min-height: 1.4em;
    text-align: center;
}

.rsvp-status.error { color: #f4a0a0; }

.rsvp-success {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 300;
    color: white;
    letter-spacing: 1px;
    text-align: center;
    padding: var(--spacing-md) 0;
}

.rsvp-success em {
    font-style: italic;
    color: var(--peach-pale);
}

.rsvp-success p {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-overlay-muted);
    margin-top: 0.75rem;
    font-weight: 300;
    letter-spacing: 0;
}

/* ── Slide 6 · Upload ──────────────────────────────────────────────────── */

.upload-intro {
    color: var(--text-overlay);
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

.upload-area {
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px dashed rgba(255, 255, 255, 0.30);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-md) 0;
    transition: border-color var(--transition-speed),
                background var(--transition-speed);
}

.upload-area p {
    color: var(--text-overlay-muted);
    margin-bottom: var(--spacing-sm);
}

.upload-area.dragover {
    border-color: var(--peach);
    background: rgba(240, 155, 112, 0.08);
}

#file-list {
    list-style: none;
    margin-bottom: var(--spacing-sm);
    color: var(--text-overlay-muted);
    font-size: 0.88rem;
}

.password-input {
    padding: 11px 16px;
    background: var(--glass-bg);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: white;
    width: 100%;
    max-width: 320px;
    transition: border-color var(--transition-speed);
}

.password-input::placeholder { color: var(--white-faint); }
.password-input:focus {
    outline: none;
    border-color: var(--peach);
}

#upload-status {
    color: var(--text-overlay-muted);
    font-size: 0.88rem;
    margin-top: var(--spacing-sm);
}

.footer-note {
    margin-top: var(--spacing-lg);
    font-size: 0.82rem;
    letter-spacing: 1.5px;
    color: var(--text-overlay-muted);
}

/* ── Mobile ─────────────────────────────────────────────────────────────── */

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        background: rgba(8, 18, 28, 0.96);
        padding: var(--spacing-sm) 0;
        text-align: center;
        border-top: 1px solid var(--glass-bg);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
    }

    .nav-links a { color: rgba(255, 255, 255, 0.75); }
    .nav-links a:hover { color: var(--peach-pale); }

    .nav-links.active { display: flex; }
    .nav-links li { margin: var(--spacing-sm) 0; }

    .menu-toggle { display: flex; }

    .hero .announcement { font-size: 3rem; }

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

    .detail-item iframe { width: 100%; }

    h2 { font-size: 2.4rem; }
}

/* ── Small mobile (≤480px, e.g. iPhone 15) — compact content slides ─────── */

@media screen and (max-width: 480px) {
    /* Tighter h2 on content slides */
    h2 {
        font-size: 2rem;
        margin-bottom: 1.2rem;
    }

    /* Compact detail cards */
    .detail-item {
        padding: 0.85rem;
    }

    .details-grid {
        gap: 0.6rem;
    }

    .detail-item p {
        font-size: 0.82rem;
        line-height: 1.6;
    }

    .detail-item p:not(:last-child) { margin-bottom: 0.35rem; }

    .map-iframe { display: none; }
    .map-link   { display: inline-block; margin-top: 0.75rem; }

    /* Compact upload slide */
    .upload-intro {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }

    .upload-area {
        padding: 1.2rem;
        margin: 0.6rem 0;
    }

    .upload-area p {
        margin-bottom: 0.6rem;
        font-size: 0.85rem;
    }

    .footer-note {
        margin-top: 0.75rem;
    }

    #upload-status {
        margin-top: 0.5rem;
    }
}