/* ============================================
   DESIGN TOKENS & CSS CUSTOM PROPERTIES
   (GREAT GATSBY / ART DECO THEME)
   ============================================ */
:root {
    /* Colors */
    --bg-deep: #0a0a0c;
    --bg-dark: #121215;
    --bg-card: #0a0a0c;
    
    --gold-50: #fdf8ef;
    --gold-100: #f5e6c8;
    --gold-200: #ebd0a0;
    --gold-300: #d4a574;
    --gold-400: #c9976a;
    --gold-500: #b8863e;
    
    /* Rich Metallic Gold Gradient */
    --gold-gradient: linear-gradient(135deg, #b8863e 0%, #f5e6c8 25%, #c9976a 50%, #ebd0a0 75%, #a67c30 100%);
    --gold-glow: 0 0 20px rgba(184, 134, 62, 0.4);

    --text-primary: #f0ede8;
    --text-secondary: rgba(240, 237, 232, 0.7);
    --text-muted: rgba(240, 237, 232, 0.4);

    --accent-red: #c94c4c;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Josefin Sans', 'Inter', sans-serif;
    --font-script: 'Great Vibes', cursive;

    /* Spacing */
    --section-padding: clamp(80px, 12vh, 140px);
    --container-max: 900px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 0.4s ease-in-out;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Art Deco Geometric CSS Background */
    background-image: 
        linear-gradient(30deg, #111 12%, transparent 12.5%, transparent 87%, #111 87.5%, #111),
        linear-gradient(150deg, #111 12%, transparent 12.5%, transparent 87%, #111 87.5%, #111),
        linear-gradient(30deg, #111 12%, transparent 12.5%, transparent 87%, #111 87.5%, #111),
        linear-gradient(150deg, #111 12%, transparent 12.5%, transparent 87%, #111 87.5%, #111),
        linear-gradient(60deg, #151515 25%, transparent 25.5%, transparent 75%, #151515 75%, #151515),
        linear-gradient(60deg, #151515 25%, transparent 25.5%, transparent 75%, #151515 75%, #151515);
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
    background-attachment: fixed;
}

::selection {
    background: var(--gold-500);
    color: var(--bg-deep);
}

/* ============================================
   NAVIGATION
   ============================================ */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 40px;
    transition: all var(--transition-base);
}

#main-nav.scrolled {
    padding: 12px 40px;
    background: var(--bg-deep);
    border-bottom: 2px solid var(--gold-500);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold-300);
    text-decoration: none;
    letter-spacing: 0.1em;
    border: 1px solid var(--gold-300);
    padding: 4px 10px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--gold-300);
    text-decoration: none;
    font-size: 0.875rem;
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--gold-gradient);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--gold-100);
}

.nav-link:hover::after {
    width: 100%;
}

.gold {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 24px;
    background: rgba(10, 10, 12, 0.85); /* Overlay over pattern */
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    border: 2px solid var(--gold-400);
    padding: 60px 40px;
    background: var(--bg-deep);
}

/* Double inner border effect */
.hero-content::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 1px solid var(--gold-300);
    pointer-events: none;
}

.hero-pretext {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold-300);
    margin-bottom: 24px;
}

.hero-title {
    margin-bottom: 32px;
    line-height: 1.1;
}

.script-text {
    display: block;
    font-family: var(--font-script);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.big-number {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(5rem, 15vw, 10rem);
    font-weight: 700;
    line-height: 1.1;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: -16px;
    margin-bottom: 32px;
}

.big-number sup {
    font-size: 0.35em;
    -webkit-text-fill-color: transparent;
    vertical-align: super;
}

.title-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.hero-date {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--gold-300);
    margin-bottom: 48px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.date-icon {
    font-size: 1rem;
    color: var(--gold-500);
}

/* Countdown */
.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
    padding: 16px 12px;
    background: var(--bg-dark);
    border: 1px solid var(--gold-500);
    position: relative;
}

/* Deco corners */
.countdown-item::before, .countdown-item::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    border: 1px solid var(--gold-300);
}
.countdown-item::before { top: 2px; left: 2px; border-right: none; border-bottom: none; }
.countdown-item::after { bottom: 2px; right: 2px; border-left: none; border-top: none; }

.countdown-value {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1;
    color: var(--text-primary);
}

.countdown-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gold-300);
    margin-top: 8px;
}

.countdown-separator {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gold-500);
    padding-bottom: 24px;
}

/* Hero CTA */
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 48px;
    background: var(--bg-deep);
    color: var(--gold-200);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid var(--gold-400);
    transition: all var(--transition-base);
    position: relative;
}

.hero-cta::before {
    content: '';
    position: absolute;
    top: 4px; left: 4px; right: 4px; bottom: 4px;
    border: 1px solid var(--gold-500);
    transition: all var(--transition-base);
}

.hero-cta:hover {
    background: var(--gold-gradient);
    color: var(--bg-deep);
    border-color: var(--gold-100);
}

.hero-cta:hover::before {
    border-color: var(--bg-deep);
}

/* ============================================
   SECTION COMMON
   ============================================ */
section {
    position: relative;
    z-index: 1;
    background: rgba(10, 10, 12, 0.95);
    border-top: 2px solid var(--gold-500);
}

.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--section-padding) 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.deco-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin: 24px auto 0;
    color: var(--gold-500);
    width: 200px;
}

.deco-divider::before, .deco-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gold-400);
}

.section-subtitle {
    margin-top: 24px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* ============================================
   DECO CARD
   ============================================ */
.deco-card {
    background: var(--bg-deep);
    border: 2px solid var(--gold-400);
    position: relative;
    transition: all var(--transition-base);
}

.deco-card-inner {
    padding: 36px 28px;
    margin: 6px;
    border: 1px solid var(--gold-500);
    height: calc(100% - 12px);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.deco-card:hover {
    background: var(--bg-dark);
    box-shadow: var(--gold-glow);
}


/* ============================================
   DETAILS SECTION
   ============================================ */
.details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

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

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border: 1px solid var(--gold-500);
    color: var(--gold-300);
    margin-bottom: 24px;
    transform: rotate(45deg);
    transition: all var(--transition-base);
}

.card-icon svg {
    transform: rotate(-45deg);
}

.detail-card:hover .card-icon {
    background: var(--gold-500);
    color: var(--bg-deep);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gold-100);
}

.card-text {
    font-family: var(--font-body);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-subtext {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.map-wrapper {
    overflow: hidden;
    padding: 6px;
}

/* ============================================
   RSVP SECTION
   ============================================ */
.rsvp-card {
    max-width: 640px;
    margin: 0 auto;
}

.rsvp-card .deco-card-inner {
    padding: 48px 40px;
}

/* Form Styles */
.form-row {
    display: flex;
    gap: 24px;
    margin-bottom: 24px;
    width: 100%;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold-300);
    margin-bottom: 12px;
}

.required {
    color: var(--accent-red);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--gold-500);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold-200);
    box-shadow: inset 0 0 10px rgba(212, 165, 116, 0.1);
}

.field-error {
    font-size: 0.75rem;
    color: var(--accent-red);
    margin-top: 4px;
    min-height: 18px;
}

.field-hint {
    font-size: 0.8rem;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Radio Group */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-dark);
    border: 1px solid var(--gold-500);
    cursor: pointer;
    transition: all var(--transition-base);
}

.radio-option:hover {
    border-color: var(--gold-300);
}

.radio-option input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 24px;
    height: 24px;
    border: 1px solid var(--gold-500);
    position: relative;
    transition: all var(--transition-base);
    flex-shrink: 0;
    /* Diamond shape */
    transform: rotate(45deg);
}

.radio-option input:checked ~ .radio-custom {
    border-color: var(--gold-200);
    background: var(--gold-500);
}

.radio-label {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--text-secondary);
    transition: color var(--transition-base);
}

.radio-option.selected {
    border-color: var(--gold-300);
    background: rgba(212, 165, 116, 0.1);
}
.radio-option.selected .radio-label {
    color: var(--gold-100);
}

/* Stepper */
.stepper {
    display: flex;
    align-items: center;
    width: fit-content;
    border: 1px solid var(--gold-500);
    background: var(--bg-dark);
}

.stepper-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--gold-300);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.stepper-btn:hover {
    background: rgba(212, 165, 116, 0.2);
}

.stepper input {
    width: 56px;
    height: 48px;
    text-align: center;
    background: none;
    border: none;
    border-left: 1px solid var(--gold-500);
    border-right: 1px solid var(--gold-500);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.2rem;
    outline: none;
    -moz-appearance: textfield;
}
.stepper input::-webkit-outer-spin-button,
.stepper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--bg-deep);
    color: var(--gold-200);
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 2px solid var(--gold-400);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
    margin-top: 16px;
}
.submit-btn::before {
    content: '';
    position: absolute;
    top: 4px; left: 4px; right: 4px; bottom: 4px;
    border: 1px solid var(--gold-500);
    transition: all var(--transition-base);
}

.submit-btn:hover {
    background: var(--gold-gradient);
    color: var(--bg-deep);
    border-color: var(--gold-100);
}
.submit-btn:hover::before { border-color: var(--bg-deep); }

.submit-btn.loading .btn-text { opacity: 0; }
.submit-btn.loading .btn-loader { display: block; }

.btn-loader {
    display: none;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 24px; height: 24px;
    border: 2px solid rgba(184, 134, 62, 0.3);
    border-top-color: var(--gold-200);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.submit-btn.outline {
    background: transparent;
    margin-top: 24px;
}

/* Success State */
.rsvp-success {
    text-align: center;
    padding: 40px 0;
    width: 100%;
}
.rsvp-success.hidden { display: none; }

.success-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.rsvp-success h3 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    color: var(--gold-200);
}

.rsvp-success p {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-secondary);
}

#guests-row {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-bottom: 0;
    transition: all var(--transition-base);
}
#guests-row.visible {
    max-height: 120px;
    opacity: 1;
    margin-bottom: 24px;
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
    padding: 60px 24px;
    text-align: center;
    background: var(--bg-deep);
    border-top: 2px solid var(--gold-500);
}

.footer-script {
    font-family: var(--font-script);
    font-size: 2.5rem;
    color: var(--gold-200);
    margin-bottom: 16px;
}

.footer-sub {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold-400);
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1s ease-out forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1.0s; }

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

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

/* Confetti hidden in Gatsby mode, it's too playful */
#confetti-canvas { display: none; }
#particle-canvas { display: none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .details-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        flex-direction: column;
        gap: 16px;
    }
    .hero-content {
        padding: 40px 20px;
    }
    .rsvp-card .deco-card-inner {
        padding: 32px 20px;
    }
}