/* ===== LAYOUT RESETS ===== */
body { margin: 0; font-family: "Inter", sans-serif; }
.md-content__inner { margin: 0; }
.md-main__inner.md-grid, .md-grid { max-width: initial; }
@media (min-width: 60em)   { .md-sidebar--secondary { display: none; } }
@media (min-width: 76.25em){ .md-sidebar--primary   { display: none; } }


/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 4rem;
    overflow: hidden;
    color: #fff;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: url('../assets/hero-bg.jpg') center/cover no-repeat;
}

.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.3) 0%,
        rgba(0,0,0,0.4) 60%,
        rgba(0,0,0,0.75) 100%
    );
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    width: 100%;
}

@media (min-width: 960px) {
    .hero__inner {
        flex-direction: row;
        align-items: center;
    }
}

/* --- Text side --- */
.hero__content {
    flex: 1;
    text-align: center;
}

@media (min-width: 960px) {
    .hero__content { text-align: left; }
}

.hero__title {
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 1.25rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.typewriter {
    display: inline;
    color: #a78bfa;
}
.typewriter::after {
    content: '|';
    display: inline-block;
    animation: blink 1.5s step-end infinite;
    color: #8560f5;
    font-weight: 300;
    margin-left: 2px;
}
@keyframes blink {
    50% { opacity: 0; }
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    max-width: 500px;
    margin: 0 auto 2rem;
}

@media (min-width: 960px) {
    .hero__subtitle { margin-left: 0; }
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 1rem;
}

@media (min-width: 960px) {
    .hero__buttons { justify-content: flex-start; }
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn--primary {
    background: #8560f5;
    color: #fff !important;
    box-shadow: 0 4px 16px rgba(133,96,245,0.35);
}

.btn--primary:hover {
    background: #7450e0;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(133,96,245,0.5);
    color: #fff !important;
}

.btn--ghost {
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.85) !important;
    border: 1px solid rgba(255,255,255,0.15);
}

.btn--ghost:hover {
    background: rgba(255,255,255,0.14);
    color: #fff !important;
    transform: translateY(-1px);
}

/* --- Preview side --- */
.hero__preview {
    flex: 1;
    max-width: 560px;
    width: 100%;
}

.hero__preview img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
    display: block;
}

@media (min-width: 960px) {
    .hero__preview img {
        transform: perspective(1000px) rotateY(-3deg);
        transition: transform 0.4s ease;
    }
    .hero__preview img:hover {
        transform: perspective(1000px) rotateY(0deg) scale(1.02);
    }
}


/* ===== SECTION SHARED ===== */
.section-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #8560f5;
    background: rgba(133,96,245,0.1);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 1rem;
}

[data-md-color-scheme="slate"] .section-label {
    background: rgba(133,96,245,0.2);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin: 0 0 0.75rem;
    color: var(--md-default-fg-color);
}

.section-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--md-default-fg-color--light);
    margin: 0;
}


/* ===== FEATURES (Raycast grid style) ===== */
.features {
    position: relative;
    padding: 0;
    background: #0c0c0e;
    color: #fff;
    overflow-x: clip;
    overflow-y: visible;
}

/* Header title row */
.features__header-title {
    position: relative;
    padding: 1.5rem 1.25rem;
}

.features__header-title::before,
.features__header-title::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: min(100vw, 1400px);
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.12) 20%, rgba(255,255,255,0.12) 80%, transparent);
    pointer-events: none;
    z-index: 2;
}
.features__header-title::before { display: none; }
.features__header-title::after  { bottom: 0; }

.features .section-label { background: rgba(133,96,245,0.15); color: #a78bfa; font-size: 0.65rem; }
.features .section-title {
    color: #fff;
    font-size: clamp(2.4rem, 6vw, 3.8rem);
    font-weight: 800;
    line-height: 1.05;
    margin-top: 2rem;
    margin-bottom: 0;
    letter-spacing: -0.03em;
}

/* Header subtitle row */
.features__header-sub {
    position: relative;
    padding: 1.5rem 2rem;
}

.features__header-sub::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: min(100vw, 1400px);
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.12) 20%, rgba(255,255,255,0.12) 80%, transparent);
    pointer-events: none;
    z-index: 2;
    bottom: 0;
}

.features .section-subtitle {
    color: rgba(255,255,255,0.35);
    font-family: "SF Mono", "Fira Code", "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    max-width: 32rem;
}

.features__grid {
    position: relative;
    max-width: 1096px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0 0 24px;
}

/* Fading vertical lines at container edges */
.features::before,
.features::after {
    content: '';
    position: absolute;
    width: 1px;
    top: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.08) 3%, rgba(255,255,255,0.08) 97%, transparent);
    pointer-events: none;
    z-index: 3;
}
.features::before { left: calc(50% - 548px); }
.features::after  { right: calc(50% - 548px); }

/* Horizontal line at bottom of grid */
.features__grid::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: min(100vw, 1400px);
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.12) 20%, rgba(255,255,255,0.12) 80%, transparent);
    pointer-events: none;
    z-index: 1;
    bottom: 0;
}

/* Spacer rows between cards */
.features__header-sub + .fcard {
    margin-top: 24px;
}
.fcard + .fcard {
    margin-top: 24px;
}

.fcard {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    gap: 0;
    align-items: stretch;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    transition: none;
}

/* Full-bleed fading horizontal lines on cards (top + bottom) */
.fcard::before,
.fcard::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: min(100vw, 1400px);
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.12) 20%, rgba(255,255,255,0.12) 80%, transparent);
    pointer-events: none;
    z-index: 2;
}
.fcard::before { top: 0; }
.fcard::after  { bottom: 0; }

.fcard:hover {
    box-shadow: none;
    transform: none;
}

/* Card header — big title in left column */
.fcard__header {
    padding: 1rem 1.25rem 0;
}

.fcard__header .fcard__icon {
    margin-bottom: 0.6rem;
}

.fcard__header .fcard__title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0;
}

@media (min-width: 800px) {
    .fcard {
        grid-template-columns: 1fr 2fr;
        grid-template-rows: auto 1fr;
    }
    .fcard__header  { grid-column: 1; grid-row: 1; }
    .fcard__content { grid-column: 1; grid-row: 2; }
    .fcard__visual  { grid-column: 2; grid-row: 1 / -1; border-left: 1px solid rgba(255,255,255,0.08); }

    .fcard--rev { grid-template-columns: 2fr 1fr; }
    .fcard--rev .fcard__header  { grid-column: 2; }
    .fcard--rev .fcard__content { grid-column: 2; border-left: 1px solid rgba(255,255,255,0.08); }
    .fcard--rev .fcard__visual  { grid-column: 1; grid-row: 1 / -1; border-left: none; }

    .fcard--portrait { grid-template-columns: 2fr 1fr; }
    .fcard--portrait .fcard__header  { grid-column: 1; }
    .fcard--portrait .fcard__content { grid-column: 1; border-left: none; }
    .fcard--portrait .fcard__visual  { grid-column: 2; grid-row: 1 / -1; border-left: 1px solid rgba(255,255,255,0.08); }

}

/* Featured card — old separated header style */
.fcard--featured .fcard__header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.fcard--featured .fcard__content {
    justify-content: flex-end;
}

.fcard__content {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.fcard__icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(133,96,245,0.08);
    border: 1px solid rgba(133,96,245,0.15);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    color: #a78bfa;
}

.fcard__icon svg { width: 20px; height: 20px; }

h3.fcard__title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: #fff;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.fcard__text {
    font-size: 0.85rem;
    line-height: 1.5;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

.fcard__text strong {
    color: rgba(255,255,255,0.6);
    font-weight: 600;
}

.fcard__link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.8rem; font-weight: 600;
    color: rgba(255,255,255,0.45); text-decoration: none;
    margin-top: 0.4rem;
}

.fcard__link:hover { gap: 10px; color: #fff; }
.fcard__link span { transition: transform 0.2s ease; display: inline-block; }
.fcard__link:hover span { transform: translateX(4px); }

.fcard__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-left: none;
    overflow: hidden;
    /* Dot grid texture — only on figure areas */
    background-image: radial-gradient(circle, rgba(255,255,255,0.15) 1px, transparent 1px);
    background-size: 16px 16px;
    background-color: #0c0c0e;
}

@media (min-width: 800px) {
    .fcard__visual {
        padding: 1.5rem;
    }
}

.fcard--portrait .fcard__visual img {
    width: auto;
    max-height: 400px;
}

.fcard__visual img,
.fcard__visual .slideshow {
    width: 100%;
    display: block;
}

.fcard__visual img {
    width: 100%;
    display: block;
    border-radius: 6px;
    box-shadow: none;
    filter: brightness(0.75) saturate(0.85);
    transition: filter 0.4s ease;
}

.fcard:hover .fcard__visual img {
    filter: brightness(0.9) saturate(1);
}


/* ===== THEME SLIDESHOW ===== */
.slideshow { position: relative; max-width: 100%; margin: 0 auto; padding: 1.5rem; }
.slideshow__track { position: relative; min-height: 180px; }

.slide {
    position: absolute; inset: 0;
    opacity: 0; transition: opacity 0.5s ease;
    pointer-events: none;
}

.slide.active { position: relative; opacity: 1; pointer-events: auto; }

.slide__credit {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.35);
    margin-bottom: 0.4rem;
    display: flex; align-items: center; gap: 4px;
}

.slide__credit a { color: #a78bfa; display: inline-flex; align-items: center; }
.slide__credit svg { width: 10px; height: 10px; }

.slideshow__nav {
    display: flex; justify-content: center; gap: 6px; margin-top: 1rem;
}

.slideshow__dot {
    width: 8px; height: 8px;
    border-radius: 100px; border: none; padding: 0;
    background: rgba(255,255,255,0.12);
    cursor: pointer;
    transition: width 0.25s cubic-bezier(0.34,1.56,0.64,1), background 0.2s ease;
}

.slideshow__dot.active { width: 24px; background: #8560f5; }

.slideshow__arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 50%;
    font-size: 13px; cursor: pointer; z-index: 2;
    color: rgba(255,255,255,0.5);
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
    -webkit-user-select: none; user-select: none;
    box-shadow: none;
}

.slideshow__arrow:hover {
    transform: translateY(-50%) scale(1.1);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.8);
}
.slideshow__arrow--prev { left: -16px; }
.slideshow__arrow--next { right: -16px; }

@media (max-width: 600px) { .slideshow__arrow { display: none; } }

/* Theme image light/dark */
.theme-img {
    width: 100%; border-radius: 6px; display: block;
    box-shadow: none;
    filter: brightness(0.75) saturate(0.85);
    transition: filter 0.4s ease;
}

.fcard:hover .theme-img { filter: brightness(0.9) saturate(1); }
.theme-img.dark { display: none !important; }
.theme-img:not(.dark) { display: block !important; }
[data-md-color-scheme="slate"] .theme-img.dark { display: block !important; }
[data-md-color-scheme="slate"] .theme-img:not(.dark) { display: none !important; }


/* ===== ANKI SECTION — dark rich background ===== */
.anki-section {
    position: relative;
    padding: 5rem 2rem;
    background: #0e0c1d;
    color: #fff;
    overflow: hidden;
}

.anki-section__bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(133,96,245,0.1) 0%, transparent 70%),
        url('../assets/hero-bg-2.jpg') center/cover no-repeat;
    filter: blur(2px) brightness(0.1);
    pointer-events: none;
}

.anki-section__inner {
    position: relative; z-index: 1;
    max-width: 54rem; margin: 0 auto;
    text-align: center;
}

.anki-section .section-label { background: rgba(133,96,245,0.2); color: #a78bfa; }
.anki-section .section-title { color: #fff; }
.anki-section .section-subtitle { color: rgba(255,255,255,0.6); }
.anki-section .section-subtitle strong { color: rgba(255,255,255,0.85); }

.anki-section__video {
    margin: 2rem 0 1.5rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
}

.anki-section__video video {
    width: 100%; display: block; border-radius: 16px;
}

.anki-section__credit {
    font-size: 0.72rem; color: rgba(255,255,255,0.35); margin: 0 0 1rem;
}

.anki-section__credit a { color: #a78bfa; text-decoration: none; }

.anki-section .fcard__link { color: #a78bfa; }


/* ===== DEMO SECTION ===== */
.demo-section {
    padding: 5rem 2rem;
    background: var(--md-default-bg-color);
}

[data-md-color-scheme="slate"] .demo-section {
    background: #0e0c1d;
}

.demo-section__inner {
    max-width: 54rem; margin: 0 auto; text-align: center;
}

[data-md-color-scheme="slate"] .demo-section .section-title { color: #fff; }
[data-md-color-scheme="slate"] .demo-section .section-subtitle { color: rgba(255,255,255,0.6); }

.demo-section__frame {
    margin-top: 2rem;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--md-default-fg-color--lightest);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

[data-md-color-scheme="slate"] .demo-section__frame {
    border-color: rgba(255,255,255,0.06);
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.06);
}

.demo-section__frame iframe {
    width: 100%; aspect-ratio: 16/9; border: none; display: block;
}


/* ===== FINAL CTA — dark atmospheric ===== */
.final-cta {
    position: relative;
    padding: 5rem 2rem;
    background: #0e0c1d;
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.final-cta__bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(133,96,245,0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(6,182,212,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.final-cta__inner {
    position: relative; z-index: 1;
    max-width: 36rem; margin: 0 auto;
}

.final-cta .section-title { color: #fff; }
.final-cta .section-subtitle { color: rgba(255,255,255,0.6); margin-bottom: 2rem; }

.final-cta .hero__buttons { justify-content: center; }
.final-cta .btn--ghost { margin-top: 0.75rem; }


/* ===== EXT LINK ICON ===== */
.ext-link { display: inline-flex; align-items: center; margin-left: 3px; color: #8560f5; }
.ext-link svg { width: 10px; height: 10px; }


/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0; transform: translateY(2rem);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}

.reveal.visible { opacity: 1; transform: none; }


/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .hero { padding: 5rem 1.25rem 3rem; }
    .hero__buttons { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
    .features, .demo-section { padding: 3rem 1.25rem; }
    .anki-section, .final-cta { padding: 3rem 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
}