/* ============================================
   AS WEDDING — Base Styles
   Reset, viewport lock, desktop frame, transitions
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    color: var(--text-primary);
    background-color: var(--cream);
    overflow-x: hidden;
    min-height: 100dvh;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    -webkit-tap-highlight-color: transparent;
}

input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

ul,
ol {
    list-style: none;
}

/* ---- Mobile-First Viewport Lock ---- */
.app-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100dvh;
    background: var(--cream);
}

.app-container {
    position: relative;
    width: 100%;
    max-width: var(--app-max-width);
    min-height: 100dvh;
    background-color: var(--ivory);
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.app-container::-webkit-scrollbar {
    display: none;
}

/* Desktop frame styling */
@media (min-width: 480px) {
    body {
        background: linear-gradient(135deg, var(--cream) 0%, #EDE7DB 50%, var(--cream) 100%);
    }

    .app-wrapper {
        padding: 0;
        align-items: center;
    }

    .app-container {
        min-height: 100dvh;
        max-height: 100dvh;
        overflow-y: auto;
        box-shadow: var(--shadow-desktop-frame);
        border-left: 1px solid var(--gold-light);
        border-right: 1px solid var(--gold-light);
    }
}

/* ---- Screen Container ---- */
.screen {
    display: none;
    opacity: 0;
    min-height: 100dvh;
    padding-bottom: calc(var(--space-xl) + var(--safe-area-bottom));
}

.screen.active {
    display: flex;
    flex-direction: column;
}

.screen.fade-in {
    animation: fadeSlideIn var(--duration-normal) var(--ease-smooth) forwards;
}

.screen.fade-out {
    animation: fadeSlideOut var(--duration-normal) var(--ease-smooth) forwards;
}

/* ---- Page Transitions ---- */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

@keyframes fadeSlideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(-12px);
    }
}

/* ---- Scrollable sections (screens 2-4 flow) ---- */
.scroll-section {
    min-height: auto;
    padding: var(--space-2xl) var(--content-padding);
}

/* ---- Utility Classes ---- */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---- Hindi Text ---- */
.text-hindi {
    font-family: var(--font-hindi);
}

/* ---- Heading Styles ---- */
.heading-royal {
    font-family: var(--font-heading);
    font-weight: var(--fw-medium);
    letter-spacing: var(--ls-wide);
    line-height: var(--lh-tight);
    color: var(--text-primary);
}

.heading-script {
    font-family: var(--font-heading-alt);
    font-weight: var(--fw-light);
    font-style: italic;
    letter-spacing: var(--ls-wide);
    line-height: var(--lh-snug);
    color: var(--text-light);
}

/* ---- Selection Color ---- */
::selection {
    background: var(--dusty-rose);
    color: var(--white);
}

::-moz-selection {
    background: var(--dusty-rose);
    color: var(--white);
}