/* ===========================
   Reset & basic accessibility
   =========================== */
:root {
    /* Pastel (default) palette variables */
    --bg-1-start: #fff0f6;
    --bg-1-mid:   #f7f5ff;
    --bg-1-end:   #eaf8ff;

    --bg-2-start: #eaf8ff;
    --bg-2-mid:   #fffaf0;
    --bg-2-end:   #fff7e6;

    --bg-3-start: #fff7f0;
    --bg-3-mid:   #fff0fb;
    --bg-3-end:   #f0f8ff;

    --bg-4-start: #f0f8ff;
    --bg-4-mid:   #fffaf0;
    --bg-4-end:   #fff7e6;

    --text: #1f1b23;
    --muted: #4b4950;
    --accent: #c7b6ff;
    --accent-2: #a7e0ff;

    /* Dark theme variables (smooth transitions between panels) */
    --dark-bg-1-start: #050507;
    --dark-bg-1-mid:   #100814;
    --dark-bg-1-end:   #1a0f1f;

    --dark-bg-2-start: #1a0f1f;
    --dark-bg-2-mid:   #25152b;
    --dark-bg-2-end:   #331c3a;

    --dark-bg-3-start: #331c3a;
    --dark-bg-3-mid:   #402449;
    --dark-bg-3-end:   #4e2a58;

    --dark-bg-4-start: #4e2a58;
    --dark-bg-4-mid:   #402449;
    --dark-bg-4-end:   #331c3a;

    --dark-text: #f6f5fb;
    --dark-muted: #bdb6cf;
    --dark-accent: #8e5aff;

    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

/* Hide the real checkbox but keep it accessible for screen readers and keyboard */
.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Base page styles */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text);
    background: white;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.4;
    overflow-y: auto;
}

/* ===========================
   Fixed navigation
   =========================== */

.site-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 3;
    display: flex;
    justify-content: center;
    padding: 0.6rem 1rem;
    pointer-events: none;
}

.main-nav {
    pointer-events: auto;
    display: flex;
    gap: 1.4rem;
    padding: 0.4rem 1.1rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    font-size: 0.9rem;
}

.main-nav a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    color: var(--text);
    text-decoration: underline;
}

/* Dark theme for nav */
#theme-toggle:checked ~ .site-header .main-nav {
    background: rgba(10, 8, 20, 0.88);
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}
#theme-toggle:checked ~ .site-header .main-nav a {
    color: var(--dark-muted);
}
#theme-toggle:checked ~ .site-header .main-nav a:hover,
#theme-toggle:checked ~ .site-header .main-nav a:focus-visible {
    color: var(--dark-text);
}

/* ===========================
   Layout & panels
   =========================== */

.site {
    height: auto;
}

/* PANEL stays flex for vertical centering + padding */
.panel {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CONTENT controls the 2-column layout */
.content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
    max-width: 1100px;
    padding: 2rem;
}

/* Base positioning */
.panel .title-block {
    grid-column: 1;
    grid-row: 1;
    text-align: left;
}
.panel .text-block {
    grid-column: 2;
    grid-row: 1;
    text-align: left;
}

/* Swap for even panels */
.panel:nth-of-type(even) .title-block {
    grid-column: 2;
    grid-row: 1;
    text-align: right;
}
.panel:nth-of-type(even) .text-block {
    grid-column: 1;
    grid-row: 1;
    text-align: left;
}



/* Title styling */
.title {
    font-size: clamp(2.1rem, 4.5vw, 3.8rem);
    line-height: 1.1;
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Lead paragraphs */
.lead {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    margin: 0 0 0.2rem 0;
    color: var(--muted);
}

/* Question style */
.question {
    margin: 0.6rem 0 0;
    font-size: clamp(1rem, 1.6vw, 1.12rem);
    color: var(--muted);
    max-width: 70ch;
}

/* Theme button and hint */
.toggle-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: flex-start;
    margin-top: 1.2rem;
}

.theme-button {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    padding: .6rem 1rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 0;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    transition: transform .18s ease, box-shadow .18s ease;
    user-select: none;
}
.theme-button:active {
    transform: translateY(1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.switch-dot {
    width: 18px; height: 18px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.switch-label { font-size: .95rem; }

.toggle-hint {
    font-size: .9rem;
    color: var(--muted);
}

/* Footer (if you add one later) */
.site-footer {
    text-align: center;
    padding: 1.25rem 1rem;
    font-size: .9rem;
    color: var(--muted);
}

/* =========================
   Section-specific gradients (light)
   Smooth transitions
   ========================= */

/* Intro */
.panel-1 {
    background: linear-gradient(180deg,
    var(--bg-1-start) 0%,
    var(--bg-1-mid)   50%,
    var(--bg-1-end)   100%
    );
}

/* Mood: starts where panel-1 ended */
.panel-2 {
    background: linear-gradient(180deg,
    var(--bg-1-end)   0%,
    var(--bg-2-mid)   50%,
    var(--bg-2-end)   100%
    );
}

/* Everyday: starts where panel-2 ended */
.panel-3 {
    background: linear-gradient(180deg,
    var(--bg-2-end)   0%,
    var(--bg-3-mid)   50%,
    var(--bg-3-end)   100%
    );
}

/* Identity: starts where panel-3 ended */
.panel-4 {
    background: linear-gradient(180deg,
    var(--bg-3-end)   0%,
    var(--bg-4-mid)   50%,
    var(--bg-4-end)   100%
    );
}

/* Photos: starts where panel-4 ended, bends back toward bg-3 */
.panel-photos {
    min-height: 100vh;
    padding: 6rem 1.5rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(180deg,
    var(--bg-4-end) 0%,
    var(--bg-3-mid) 50%,
    var(--bg-3-start) 100%
    );
}


/* History: starts where photos ended */
.panel-history {
    background: linear-gradient(180deg,
    var(--bg-3-start) 0%,
    var(--bg-3-mid)   50%,
    var(--bg-3-end)   100%
    );
}

/* Your aesthetic: gentle closing, starting from panel-history end */
.panel-6 {
    background: linear-gradient(180deg,
    var(--bg-3-end)   0%,
    var(--bg-1-mid)   50%,
    var(--bg-1-end)   100%
    );
}

/* =========================
   Animations (fade + rise)
   ========================= */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.panel-1 .content { animation: fadeUp .9s ease 0.1s both; }
.panel-2 .content { animation: fadeUp .9s ease 0.25s both; }
.panel-3 .content { animation: fadeUp .9s ease 0.4s both; }

/* Scroll-reveal helper */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all .8s ease;
}

.reveal.visible,
.aesthetic-strip.visible,
.closing-quote.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   Dark theme backgrounds
   ========================= */

#theme-toggle:checked ~ .site .panel-1 {
    background: linear-gradient(
            180deg,
            var(--dark-bg-1-start) 0%,
            var(--dark-bg-1-mid)   50%,
            var(--dark-bg-1-end)   100%
    );
}

#theme-toggle:checked ~ .site .panel-2 {
    background: linear-gradient(
            180deg,
            var(--dark-bg-2-start) 0%,
            var(--dark-bg-2-mid)   50%,
            var(--dark-bg-2-end)   100%
    );
}

#theme-toggle:checked ~ .site .panel-3 {
    background: linear-gradient(
            180deg,
            var(--dark-bg-3-start) 0%,
            var(--dark-bg-3-mid)   50%,
            var(--dark-bg-3-end)   100%
    );
}

#theme-toggle:checked ~ .site .panel-4 {
    background: linear-gradient(
            180deg,
            var(--dark-bg-4-start) 0%,
            var(--dark-bg-4-mid)   50%,
            var(--dark-bg-4-end)   100%
    );
}

#theme-toggle:checked ~ .site .panel-photos {
    background: linear-gradient(
            180deg,
            var(--dark-bg-3-start) 0%,
            var(--dark-bg-3-mid)   50%,
            var(--dark-bg-3-end)   100%
    );
}

#theme-toggle:checked ~ .site .panel-history {
    background: linear-gradient(
            180deg,
            var(--dark-bg-3-end)   0%,   /* from panel-photos */
            var(--dark-bg-2-mid)   45%,  /* smoother descent */
            var(--dark-bg-1-end)   100%  /* EXACT start of panel-6 */
    );
}


#theme-toggle:checked ~ .site .panel-6 {
    background: linear-gradient(
            180deg,
            var(--dark-bg-1-end)   0%,
            var(--dark-bg-1-mid)   50%,
            var(--dark-bg-1-start) 100%
    );
}

/* Text color overrides in dark theme */
#theme-toggle:checked ~ .site,
#theme-toggle:checked ~ .site .content,
#theme-toggle:checked ~ .site .title,
#theme-toggle:checked ~ .site .lead,
#theme-toggle:checked ~ .site .question,
#theme-toggle:checked ~ .site .toggle-hint,
#theme-toggle:checked ~ .site .site-footer {
    color: var(--dark-text);
}
#theme-toggle:checked ~ .site .lead,
#theme-toggle:checked ~ .site .question,
#theme-toggle:checked ~ .site .toggle-hint,
#theme-toggle:checked ~ .site .site-footer {
    color: var(--dark-muted);
}

/* Theme button style in dark theme */
#theme-toggle:checked ~ .site .theme-button {
    background: linear-gradient(90deg, var(--dark-accent), rgba(142,90,255,0.55));
    color: var(--dark-text);
    box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}

/* Ensure the white switch-dot remains visible in dark theme */
#theme-toggle:checked ~ .site .switch-dot {
    background: #fff;
}

/* =========================
   Gradient quote text
   ========================= */

.quote {
    font-size: 1.6rem;
    font-weight: 700;
    font-style: italic;
    max-width: 65ch;
    margin: 1.5rem auto;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    background-size: 200% 200%;
    background-repeat: repeat;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#theme-toggle:checked ~ .site .quote {
    background: linear-gradient(
            90deg,
            var(--dark-accent),
            #b084f5,
            #f6f5fb
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 12px rgba(142,90,255,0.6),
    0 0 24px rgba(176,132,245,0.4);
}

/* Small reflective closing quote */
.closing-quote {
    font-size: 1.2rem;
    font-style: italic;
    margin-top: 1.8rem;
    line-height: 1.5;
}

/* =========================
   Mouse wave effect
   ========================= */

#effect-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.wave {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%),
    rgba(251, 233, 242, 0.8) 0%, transparent 50%);
    transition: background 0.15s ease;
    z-index: 0;
}

/* Dark theme variant */
#theme-toggle:checked ~ .wave {
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%),
    rgba(142,90,255,0.4) 0%, transparent 60%);
}

/* =========================
   Interactive buttons
   ========================= */

@keyframes wiggle {
    0%   { transform: rotate(-2deg) scale(1.02); }
    25%  { transform: rotate(2deg)  scale(1.02); }
    50%  { transform: rotate(-2deg) scale(1.02); }
    75%  { transform: rotate(2deg)  scale(1.02); }
    100% { transform: rotate(0deg)  scale(1);    }
}

.wiggle {
    animation: wiggle 3s ease;
}

.interactive-row {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    margin-top: 1rem;
}

/* =========================
   Aesthetic image strip
   ========================= */

.panel-photos .title-block,
.panel-photos .text-block {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}


.aesthetic-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(200px, 240px));
    grid-auto-rows: auto;
    gap: 1.5rem;
    justify-content: center;
}



.aesthetic-strip::-webkit-scrollbar {
    display: none;
}

.aesthetic-photo {
    min-width: 200px;
    max-width: 240px;
    background: rgba(255,255,255,0.7);
    border-radius: 1.3rem;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
}

.aesthetic-photo img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.aesthetic-photo figcaption {
    padding: 0.7rem 0.9rem 0.9rem;
    font-size: 0.9rem;
    color: var(--muted);
}

/* Dark theme cards */
#theme-toggle:checked ~ .site .aesthetic-photo {
    background: rgba(20, 16, 32, 0.8);
    box-shadow: 0 8px 26px rgba(0,0,0,0.5);
}
#theme-toggle:checked ~ .site .aesthetic-photo figcaption {
    color: var(--dark-muted);
}

/* =========================
   Responsive tweaks
   ========================= */

@media (max-width: 800px) {
    .content {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

    .panel:nth-of-type(even) .title-block,
    .panel .title-block {
        text-align: left;
    }

    .toggle-row,
    .interactive-row {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .main-nav {
        gap: 0.8rem;
        padding-inline: 0.9rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 600px) {
    .title {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }
    .lead, .question {
        font-size: 1rem;
    }
    .theme-button {
        padding: .55rem .85rem;
        font-size: .9rem;
    }
    .panel {
        padding: 5rem 1rem 2.4rem;
    }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .content { animation: none !important; transition: none !important; }
    .wave    { transition: none !important; }
}

.take-quiz-row {
    margin-top: 1.8rem;
}

.take-quiz-btn {
    display: inline-block;
    padding: .7rem 1.4rem;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    color: var(--text);
    font-weight: 700;
    text-decoration: none;
    user-select: none;
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    transition: transform .15s ease, box-shadow .15s ease;
}

.take-quiz-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

#theme-toggle:checked ~ .site .take-quiz-btn {
    background: linear-gradient(90deg, var(--dark-accent), rgba(142,90,255,.6));
    color: var(--dark-text);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

/* ---------------------------
   Mobile Full Fix (<= 800px)
   --------------------------- */
@media (max-width: 800px) {

    /* stack panels cleanly */
    .panel {
        min-height: auto;
        padding: 5.5rem 1.2rem 3rem;
    }

    .content {
        display: flex;
        flex-direction: column;
        gap: 1.2rem;
        padding: 0;
        max-width: 95vw;
    }

    /* reset panel swapping to natural vertical reading */
    .panel .title-block,
    .panel .text-block,
    .panel:nth-of-type(even) .title-block,
    .panel:nth-of-type(even) .text-block {
        grid-column: auto;
        grid-row: auto;
        text-align: left !important;
    }

    /* titles take over */
    .title {
        font-size: clamp(1.7rem, 7vw, 2.3rem);
        margin-bottom: .4rem;
    }

    .lead,
    .question {
        font-size: 1rem;
        max-width: 100%;
    }

    .toggle-row,
    .interactive-row {
        flex-wrap: wrap;
        gap: .6rem;
        margin-top: .8rem;
    }

    /* nav tweaks */
    .site-header {
        padding: .4rem .6rem;
    }

    .main-nav {
        padding: .4rem .7rem;
        gap: .6rem;
        font-size: .75rem;
    }

    /* aesthetic image strip fix */
    .aesthetic-strip {
        grid-template-columns: 1fr 1fr;
        gap: .9rem;
    }

    .aesthetic-photo img {
        height: 120px;
    }
}

/* ---------------------------
   Extra small (<= 500px)
   --------------------------- */
@media (max-width: 500px) {

    .title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .panel {
        padding-top: 6rem;
        padding-bottom: 2rem;
    }

    .main-nav {
        font-size: .7rem;
        gap: .4rem;
    }

    .aesthetic-strip {
        grid-template-columns: 1fr;
    }

    .aesthetic-photo {
        max-width: 100%;
    }
}