/* ==========================================================================
   ENVELOPE LANDING PAGE
   ========================================================================== */

/* --- Layout (full-bleed, no chrome) --- */
.envelope-layout {
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.envelope-page {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('/images/backgrounds/login-bg.jpg') center/cover no-repeat;
    overflow: hidden;
    z-index: 0;
}

/* subtle dark overlay so the envelope pops against the background */
.envelope-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(0,0,0,0.03) 0%, rgba(0,0,0,0.20) 100%),
        radial-gradient(ellipse at 50% 40%, rgba(245,228,236,0.08) 0%, transparent 60%);
    z-index: 0;
}

/* --- Scene (animation wrapper) --- */
.envelope-scene {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.envelope-scene.scene--fadeout {
    opacity: 0;
    transform: scale(1.08);
}

/* --- Envelope wrapper (perspective) --- */
.envelope-wrapper {
    position: relative;
    width: 680px;
    max-width: 92vw;
    perspective: 1200px;
    padding-top: 0;
}

/* ground shadow beneath envelope */
.envelope-wrapper::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 8%;
    right: 8%;
    height: 40px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.10), transparent 75%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

/* --- Top flap — the ONLY element that animates (rotates backward on open) --- */
.envelope-flap {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 145px;
    z-index: 4;
    transform-origin: top center;
    transform-style: preserve-3d;
    transition: transform 1.4s ease-in-out;
}

.scene--opening .envelope-flap {
    transform: rotateX(-180deg);
}

.envelope-flap-inner {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--env-flap-dark) 0%, var(--env-flap-mid) 35%, var(--env-flap-light) 100%);
    -webkit-clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* paper grain on flap */
.envelope-flap-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    background: var(--env-flap-grain);
    pointer-events: none;
    z-index: 1;
}

/* back face of the flap (visible when opened) */
.envelope-flap-inner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #f5e0ea 0%, #ebd0dc 100%);
    -webkit-clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    transform: rotateX(180deg);
    backface-visibility: hidden;
}

/* fold shadow along flap edges */
.envelope-flap::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
    background: linear-gradient(180deg,
        rgba(0,0,0,0.06) 0%,
        transparent 15%,
        transparent 85%,
        rgba(0,0,0,0.04) 100%);
    pointer-events: none;
}

/* --- Envelope body — static rectangle, NEVER changes shape/size/position --- */
.envelope-body {
    position: relative;
    background: linear-gradient(172deg,
        #f7e8f0 0%,
        var(--env-body-light) 20%,
        var(--env-body-mid) 50%,
        var(--env-body-dark) 85%,
        #e4c4d2 100%);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 11rem 2.5rem 1.2rem;
    margin-top: 0;
    min-height: 320px;
    overflow: hidden;
    box-shadow:
        0 25px 70px rgba(0, 0, 0, 0.20),
        0 10px 30px rgba(0, 0, 0, 0.12),
        0 3px 10px rgba(0, 0, 0, 0.08),
        inset 1px 1px 0 rgba(255, 255, 255, 0.5),
        inset -1px -1px 0 rgba(0, 0, 0, 0.03);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* subtle watercolor texture + paper grain */
.envelope-body::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background:
        radial-gradient(ellipse at 35% 25%, rgba(255,255,255,0.22) 0%, transparent 40%),
        radial-gradient(ellipse at 25% 65%, rgba(232, 195, 185, 0.12) 0%, transparent 45%),
        radial-gradient(ellipse at 75% 25%, rgba(210, 190, 160, 0.10) 0%, transparent 45%),
        radial-gradient(ellipse at 20% 40%, rgba(200, 160, 180, 0.10) 0%, transparent 55%),
        radial-gradient(ellipse at 80% 70%, rgba(190, 165, 195, 0.09) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 85%, rgba(220, 180, 170, 0.10) 0%, transparent 45%),
        radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.06) 100%),
        var(--env-paper-fiber),
        var(--env-paper-grain);
    pointer-events: none;
}

/* shadow cast by the flap onto body — visible around the triangle edges */
.envelope-body::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 160px;
    background: linear-gradient(180deg,
        rgba(0,0,0,0.09) 0%,
        rgba(0,0,0,0.05) 25%,
        rgba(0,0,0,0.01) 65%,
        transparent 100%);
    border-radius: 8px 8px 0 0;
    pointer-events: none;
    z-index: 1;
}

/* --- Fold creases (paper fold lines visible on envelope face) --- */
.envelope-crease {
    position: absolute;
    pointer-events: none;
    z-index: 1;
}

.envelope-crease--left {
    top: 0;
    left: 0;
    width: 55%;
    height: 55%;
    background: linear-gradient(
        to bottom right,
        transparent 44%,
        rgba(0,0,0,0.015) 48%,
        rgba(0,0,0,0.025) 50%,
        rgba(0,0,0,0.015) 52%,
        transparent 56%
    );
}

.envelope-crease--right {
    top: 0;
    right: 0;
    width: 55%;
    height: 55%;
    background: linear-gradient(
        to bottom left,
        transparent 44%,
        rgba(0,0,0,0.015) 48%,
        rgba(0,0,0,0.025) 50%,
        rgba(0,0,0,0.015) 52%,
        transparent 56%
    );
}

.envelope-crease--bottom {
    bottom: 0;
    left: 0;
    right: 0;
    height: 35%;
    background: linear-gradient(
        to top,
        transparent 44%,
        rgba(0,0,0,0.012) 48%,
        rgba(0,0,0,0.02) 50%,
        rgba(0,0,0,0.012) 52%,
        transparent 56%
    );
}

/* --- Corner brackets (Victorian scrollwork filigree, all 4 corners) --- */
.envelope-corner {
    position: absolute;
    width: 50px;
    height: 50px;
    pointer-events: none;
    z-index: 6;
    color: #C9A86A;
    filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.12));
    opacity: 0.75;
}

.envelope-corner svg {
    width: 100%;
    height: 100%;
}

.envelope-corner--tl { top: -1px; left: -1px; }
.envelope-corner--tr { top: -1px; right: -1px; transform: scaleX(-1); }
.envelope-corner--bl { bottom: -1px; left: -1px; transform: scaleY(-1); }
.envelope-corner--br { bottom: -1px; right: -1px; transform: scale(-1, -1); }

/* --- Faint botanical pencil sketches on envelope face --- */
.envelope-botanical {
    position: absolute;
    pointer-events: none;
    z-index: 1;
    opacity: 0.6;
}

.envelope-botanical--br {
    bottom: 30px;
    right: 15px;
    transform: rotate(12deg);
}

.envelope-botanical--tl {
    top: 160px;
    left: 15px;
    transform: rotate(-18deg) scaleX(-1);
}

/* --- Watercolor bloom elements (painted washes behind content) --- */
.envelope-bloom {
    position: absolute;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
}

.envelope-bloom--bl {
    bottom: 20px;
    left: 0;
    width: 180px;
    height: 140px;
}

.envelope-bloom--tr {
    top: 160px;
    right: -5px;
    width: 130px;
    height: 100px;
    opacity: 0.25;
}

/* --- Tiny botanical watercolor sprigs near corners --- */
.envelope-sprig {
    position: absolute;
    pointer-events: none;
    z-index: 1;
    opacity: 0.40;
}

.envelope-sprig--tr {
    top: 50px;
    right: 48px;
    width: 35px;
    height: 45px;
    transform: rotate(15deg);
}

.envelope-sprig--bl {
    bottom: 45px;
    left: 48px;
    width: 30px;
    height: 40px;
    transform: rotate(-20deg) scaleX(-1);
}

/* --- Ornamental flourish divider between seal and heading --- */
.envelope-flourish {
    display: block;
    width: 120px;
    height: 20px;
    margin: 0 auto 1.2rem;
    color: #C9A86A;
    opacity: 0.6;
}

.envelope-flourish svg {
    width: 100%;
    height: 100%;
}

/* --- Wax seal (child of flap — rotates with it naturally) --- */
.envelope-seal {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
    width: 80px;
    height: 80px;
    z-index: 5;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.20)) drop-shadow(0 1px 2px rgba(0,0,0,0.12));
    /* No transition — seal moves only because its parent (the flap) rotates */
}

.seal-svg {
    width: 100%;
    height: 100%;
    filter: contrast(0.95) brightness(1.02);
}

/* --- Content inside envelope --- */
.envelope-content {
    text-align: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

/* faint center fold crease */
.envelope-content::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.04) 20%, rgba(0,0,0,0.05) 50%, rgba(0,0,0,0.04) 80%, transparent);
    pointer-events: none;
    z-index: 0;
}

.envelope-heading {
    font-family: 'Pinyon Script', var(--font-script);
    font-size: 2.1rem;
    color: var(--env-text-warm);
    -webkit-text-fill-color: var(--env-text-warm);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    text-shadow:
        0 0 1px rgba(59, 47, 42, 0.3),
        0 0.5px 0 rgba(59, 47, 42, 0.1);
    filter: none;
    margin: 0 0 1.5rem;
    font-weight: 400;
    line-height: 1.3;
}

/* --- Form --- */
.envelope-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.envelope-input {
    width: 100%;
    padding: 0.6rem 0.25rem;
    border: 1.5px solid #c9a96e;
    border-radius: 6px;
    background: rgba(255, 252, 248, 0.85);
    box-shadow: inset 0 1px 4px rgba(180, 140, 120, 0.15);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-style: italic;
    color: var(--env-text-warm);
    text-align: left;
    letter-spacing: 1.5px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.envelope-input::placeholder {
    color: #9a8880;
    letter-spacing: 1px;
    opacity: 1;
    font-style: italic;
}

.envelope-input:focus {
    border-color: #b8963e;
    box-shadow: inset 0 1px 4px rgba(180, 140, 120, 0.15), 0 0 0 3px rgba(200, 160, 100, 0.2);
}

.envelope-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 2.2rem;
    border: none;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-accent));
    color: var(--color-text-dark);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.3s ease,
                max-height 0.3s ease, padding 0.3s ease, margin 0.3s ease;
    max-height: 60px;
    box-shadow:
        0 4px 15px rgba(212, 175, 55, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.35),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    text-shadow: 0 1px 0 rgba(255,255,255,0.3);
}

/* Button hidden until access code is entered — graceful slide-in */
.envelope-submit--hidden {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: -0.5rem;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-8px);
}

.envelope-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow:
        0 6px 20px rgba(212, 175, 55, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(0, 0, 0, 0.15);
}

.envelope-submit:active:not(:disabled) {
    transform: translateY(0);
}

.envelope-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.envelope-submit:focus-visible {
    outline: 2px solid var(--color-forest);
    outline-offset: 2px;
}

/* spinner */
.envelope-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(44, 44, 44, 0.25);
    border-top-color: var(--color-text-dark);
    border-radius: 50%;
    animation: envelope-spin 0.6s linear infinite;
}

@keyframes envelope-spin {
    to { transform: rotate(360deg); }
}

/* error message */
.envelope-error {
    color: #c0392b;
    font-size: 0.85rem;
    margin: 0;
    padding: 0.4rem 1rem;
    background: rgba(192, 57, 43, 0.08);
    border-radius: 20px;
}

/* footer links */
.envelope-footer-links {
    margin-top: 1.5rem;
}

.envelope-footer-links p {
    font-size: 0.8rem;
    color: #5C7A5E;
    margin: 0;
}

.envelope-footer-links a {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 600;
}

.envelope-footer-links a:hover {
    text-decoration: underline;
}

/* --- Invitation card (slides UP from inside envelope body after flap opens) --- */
.envelope-letter {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    max-width: 85vw;
    transform: translate(-50%, -50%) translateY(60px);
    opacity: 0;
    z-index: 6;
    pointer-events: none;
    transition: none;
}

.scene--letter-rise .envelope-letter {
    animation: cardEmerge 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cardEmerge {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) translateY(60px) scale(0.95);
    }
    40% {
        opacity: 1;
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) translateY(-80px) scale(1);
    }
}

.letter-inner {
    background: #fff;
    border-radius: 6px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.letter-greeting {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-sage);
    margin: 0 0 0.5rem;
}

.letter-name {
    font-family: var(--font-script);
    font-size: 2.4rem;
    color: var(--color-forest);
    margin: 0 0 1rem;
    font-weight: 400;
    clip-path: inset(0 100% 0 0);
    opacity: 0;
}

/* Ink-write reveal: guest name writes itself after card emerges (0.8s card + delay) */
.scene--letter-rise .letter-name {
    animation: ink-write-name 1.2s ease-out 0.8s forwards;
}

@keyframes ink-write-name {
    0% {
        clip-path: inset(0 100% 0 0);
        opacity: 0.4;
    }
    15% {
        opacity: 1;
    }
    100% {
        clip-path: inset(0 0% 0 0);
        opacity: 1;
    }
}

.letter-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 0 auto 1rem;
}

.letter-message {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-sage);
    margin: 0;
    font-style: italic;
}

/* Envelope wrapper stays completely static — no shrinking or fading */

/* --- Responsive --- */
@media (max-width: 540px) {
    .envelope-wrapper {
        width: 100%;
        max-width: 92vw;
        padding-top: 0;
    }

    .envelope-flap {
        height: 110px;
    }

    .envelope-body {
        padding: 9rem 1.5rem 1rem;
        min-height: 260px;
    }

    .envelope-heading {
        font-size: 1.6rem;
    }

    .envelope-seal {
        width: 64px;
        height: 64px;
    }

    .envelope-corner {
        width: 36px;
        height: 36px;
    }

    .envelope-botanical {
        display: none;
    }

    .envelope-bloom--bl {
        width: 130px;
        height: 100px;
        bottom: 15px;
    }

    .envelope-bloom--tr {
        width: 90px;
        height: 70px;
    }

    .envelope-sprig {
        display: none;
    }

    .letter-name {
        font-size: 1.8rem;
    }
}

@media (max-width: 380px) {
    .envelope-wrapper {
        padding-top: 0;
    }

    .envelope-flap {
        height: 88px;
    }

    .envelope-body {
        padding: 7rem 1.2rem 0.8rem;
        min-height: 220px;
    }

    .envelope-seal {
        width: 54px;
        height: 54px;
    }

    .envelope-heading {
        font-size: 1.3rem;
    }

    .envelope-input {
        padding: 0.6rem 0.5rem;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .envelope-submit {
        padding: 0.7rem 1.8rem;
        font-size: 0.8rem;
        min-height: 44px;
    }

    .envelope-corner {
        width: 28px;
        height: 28px;
    }

    .envelope-crease--left,
    .envelope-crease--right {
        width: 50%;
        height: 50%;
    }

    .envelope-bloom {
        display: none;
    }

    .envelope-flourish {
        width: 90px;
        margin-bottom: 0.8rem;
    }
}
/* Reduced-motion: skip to end state instantly (don't block animations entirely) */
@media (prefers-reduced-motion: reduce) {
    .envelope-flap,
    .envelope-scene {
        transition-duration: 0.01ms !important;
    }

    .scene--letter-rise .envelope-letter,
    .scene--letter-rise .letter-name {
        animation-duration: 0.01ms !important;
    }
}