/* Wallpaper Memories — landing theme */

:root {
    --wm-bg: #0f1117;
    --wm-bg-elevated: #181b24;
    --wm-bg-card: #1e2230;
    --wm-text: #f0f2f8;
    --wm-text-muted: #9aa3b8;
    --wm-accent: #4f8cff;
    --wm-accent-hover: #6ba0ff;
    --wm-accent-soft: rgba(79, 140, 255, 0.15);
    --wm-border: rgba(255, 255, 255, 0.08);
    --wm-header-h: 72px;
    --wm-radius: 16px;
    --wm-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    --wm-font: 'DM Sans', system-ui, -apple-system, sans-serif;
    --wm-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.wm-site {
    margin: 0;
    font-family: var(--wm-font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--wm-text);
    background: var(--wm-bg);
    -webkit-font-smoothing: antialiased;
}

body.wm-landing {
    /* landing-specific overrides if needed */
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--wm-accent);
    text-decoration: none;
}

a:hover {
    color: var(--wm-accent-hover);
}

.wm-container {
    width: min(1120px, calc(100% - 48px));
    margin-inline: auto;
}

/* Header */
.wm-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--wm-header-h);
    background: rgba(15, 17, 23, 0.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--wm-border);
    transition: background 0.3s var(--wm-ease), box-shadow 0.3s var(--wm-ease);
}

.wm-header.is-scrolled {
    background: rgba(15, 17, 23, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.wm-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    width: min(1120px, calc(100% - 48px));
    height: 100%;
    margin-inline: auto;
}

.wm-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--wm-text);
    font-weight: 600;
    font-size: 1rem;
}

.wm-logo:hover {
    color: var(--wm-text);
}

.wm-logo__icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--wm-accent), #7c5cff);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.wm-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.wm-nav__link {
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--wm-text-muted);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s, background 0.2s;
}

.wm-nav__link:hover,
.wm-nav__link.is-active {
    color: var(--wm-text);
    background: rgba(255, 255, 255, 0.06);
}

.wm-nav__link--accent {
    color: var(--wm-accent);
}

.wm-nav__link--accent:hover {
    background: var(--wm-accent-soft);
    color: var(--wm-accent-hover);
}

.wm-header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.wm-lang {
    display: flex;
    padding: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--wm-border);
}

.wm-lang__btn {
    padding: 6px 12px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--wm-text-muted);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.wm-lang__btn.is-active {
    background: var(--wm-accent);
    color: #fff;
}

.wm-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid var(--wm-border);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
}

.wm-menu-toggle span {
    display: block;
    height: 2px;
    background: var(--wm-text);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
}

.wm-menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.wm-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.wm-menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Sections */
.wm-section {
    scroll-margin-top: var(--wm-header-h);
}

.wm-section-head {
    max-width: 640px;
    margin-bottom: 56px;
}

.wm-section-head h2,
.wm-overview h2,
.wm-download h2,
.wm-pricing h2,
.wm-purchase h2,
.wm-support h2 {
    margin: 0 0 16px;
    font-size: clamp(2rem, 4vw, 2.75rem);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.wm-lead {
    margin: 0;
    font-size: 1.125rem;
    color: var(--wm-text-muted);
}

/* Hero slider */
.wm-hero {
    min-height: 100vh;
    min-height: 100dvh;
}

.wm-hero__slider {
    position: relative;
    min-height: inherit;
    overflow: hidden;
}

.wm-hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 1.2s var(--wm-ease), transform 8s linear;
}

.wm-hero__slide.is-active {
    opacity: 1;
    transform: scale(1);
}

.wm-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(15, 17, 23, 0.92) 0%, rgba(15, 17, 23, 0.35) 45%, rgba(15, 17, 23, 0.55) 100%),
        radial-gradient(circle at 20% 80%, rgba(79, 140, 255, 0.2), transparent 50%);
}

.wm-hero__date-badge {
    position: absolute;
    left: 32px;
    bottom: 120px;
    z-index: 2;
    padding: 14px 20px;
    border-radius: 12px;
    background: rgba(15, 17, 23, 0.72);
    backdrop-filter: blur(12px);
    border: 1px solid var(--wm-border);
    box-shadow: var(--wm-shadow);
}

.wm-hero__date-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--wm-text-muted);
    margin-bottom: 4px;
}

.wm-hero__date {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--wm-text);
}

.wm-hero__content {
    position: absolute;
    left: 50%;
    bottom: 120px;
    z-index: 2;
    transform: translateX(-50%);
    width: min(720px, calc(100% - 48px));
    text-align: center;
}

.wm-hero__eyebrow {
    margin: 0 0 12px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--wm-accent);
}

.wm-hero__title {
    margin: 0 0 28px;
    font-size: clamp(2rem, 5vw, 3.25rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.wm-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.wm-hero__dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    z-index: 2;
    display: flex;
    gap: 10px;
    transform: translateX(-50%);
}

.wm-hero__dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.wm-hero__dot.is-active {
    background: var(--wm-accent);
    transform: scale(1.25);
}

/* Buttons */
.wm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: 0;
    border-radius: 999px;
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s var(--wm-ease), background 0.2s, box-shadow 0.2s;
}

.wm-btn--primary {
    background: linear-gradient(135deg, var(--wm-accent), #6b7cff);
    color: #fff;
    box-shadow: 0 12px 32px rgba(79, 140, 255, 0.35);
}

.wm-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(79, 140, 255, 0.45);
    color: #fff;
}

.wm-btn--secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: none;
}

.wm-btn--secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.wm-btn--block {
    width: 100%;
}

.wm-btn--large {
    padding: 18px 36px;
    font-size: 1.0625rem;
}

.wm-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Scroll reveal */
.wm-reveal {
    opacity: 0;
    transition:
        opacity 0.8s var(--wm-ease),
        transform 0.8s var(--wm-ease);
}

.wm-reveal--left {
    transform: translateX(-64px);
}

.wm-reveal--right {
    transform: translateX(64px);
}

.wm-reveal--up {
    transform: translateY(40px);
}

.wm-reveal.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Overview */
.wm-overview {
    padding: 120px 0;
    background: var(--wm-bg);
}

.wm-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.wm-card {
    padding: 32px;
    border-radius: var(--wm-radius);
    background: var(--wm-bg-card);
    border: 1px solid var(--wm-border);
}

.wm-card__icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.wm-card h3 {
    margin: 0 0 12px;
    font-size: 1.25rem;
}

.wm-card p {
    margin: 0;
    color: var(--wm-text-muted);
}

/* Pricing */
.wm-pricing {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--wm-bg) 0%, var(--wm-bg-elevated) 100%);
}

.wm-pricing__inner {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 64px;
    align-items: center;
}

.wm-price-card {
    position: relative;
    padding: 40px 32px;
    border-radius: calc(var(--wm-radius) + 4px);
    background: var(--wm-bg-card);
    border: 1px solid rgba(79, 140, 255, 0.25);
    box-shadow: var(--wm-shadow);
    text-align: center;
}

.wm-price-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--wm-accent-soft);
    color: var(--wm-accent);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.wm-price-card__amount {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
    margin: 16px 0 4px;
}

.wm-price-card__label {
    margin: 0 0 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--wm-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.wm-price-card__features {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
    text-align: left;
}

.wm-price-card__features li {
    position: relative;
    padding: 10px 0 10px 28px;
    color: var(--wm-text-muted);
    border-bottom: 1px solid var(--wm-border);
}

.wm-price-card__features li:last-child {
    border-bottom: 0;
}

.wm-price-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--wm-accent);
    font-weight: 700;
}

/* Download */
.wm-download {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--wm-bg-elevated) 0%, var(--wm-bg) 100%);
}

.wm-download__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
}

/* Purchase */
.wm-purchase {
    padding: 100px 0;
    background: var(--wm-bg-elevated);
}

.wm-purchase__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
}

.wm-note {
    margin-top: 16px;
    font-size: 0.9375rem;
    color: var(--wm-text-muted);
}

.wm-purchase__action {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.wm-purchase__download {
    margin-top: 4px;
}

/* Support */
.wm-support {
    padding: 120px 0 140px;
    background: var(--wm-bg);
}

.wm-support__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.wm-support__email {
    margin-top: 24px;
    font-size: 1.125rem;
}

.wm-form {
    padding: 32px;
    border-radius: var(--wm-radius);
    background: var(--wm-bg-card);
    border: 1px solid var(--wm-border);
}

.wm-form__row {
    margin-bottom: 20px;
}

.wm-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--wm-text-muted);
}

.wm-form input,
.wm-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--wm-border);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.25);
    color: var(--wm-text);
    font: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.wm-form input:focus,
.wm-form textarea:focus {
    outline: none;
    border-color: var(--wm-accent);
    box-shadow: 0 0 0 3px var(--wm-accent-soft);
}

.wm-form__feedback {
    margin-bottom: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.9375rem;
}

.wm-form__feedback.is-success {
    background: rgba(52, 199, 123, 0.12);
    color: #34c77b;
}

.wm-form__feedback.is-error {
    background: rgba(255, 95, 95, 0.12);
    color: #ff7b7b;
}

/* Footer */
.wm-footer {
    padding: 32px 0;
    border-top: 1px solid var(--wm-border);
    background: var(--wm-bg-elevated);
}

.wm-footer p {
    margin: 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--wm-text-muted);
}

.wm-page {
    padding: calc(var(--wm-header-h) + 48px) 0 80px;
}

.wm-back {
    margin-bottom: 24px;
}

.wm-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
}

.wm-footer__inner p {
    margin: 0;
}

.wm-legal__title {
    margin: 0 0 8px;
    font-size: clamp(2rem, 4vw, 2.75rem);
    line-height: 1.15;
}

.wm-legal__updated {
    margin: 0 0 32px;
    color: var(--wm-text-muted);
    font-size: 0.9375rem;
}

.wm-legal__container {
    max-width: 760px;
}

.wm-legal h2 {
    margin: 32px 0 12px;
    font-size: 1.25rem;
}

.wm-legal p,
.wm-legal li {
    color: var(--wm-text-muted);
}

.wm-legal strong {
    color: var(--wm-text);
}

.wm-legal code {
    font-size: 0.875em;
    background: var(--wm-bg-card);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.wm-legal ul {
    padding-left: 1.25rem;
}

/* Responsive */
@media (max-width: 960px) {
    .wm-cards {
        grid-template-columns: 1fr;
    }

    .wm-pricing__inner,
    .wm-download__inner,
    .wm-purchase__inner,
    .wm-support__grid {
        grid-template-columns: 1fr;
    }

    .wm-purchase__action,
    .wm-download__action {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .wm-nav {
        position: fixed;
        inset: var(--wm-header-h) 0 auto;
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        background: rgba(15, 17, 23, 0.98);
        border-bottom: 1px solid var(--wm-border);
        transform: translateY(-120%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s var(--wm-ease), opacity 0.3s;
    }

    .wm-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .wm-nav__link {
        padding: 14px 16px;
    }

    .wm-menu-toggle {
        display: flex;
    }

    .wm-logo__text {
        display: none;
    }

    .wm-hero__date-badge {
        left: 24px;
        bottom: auto;
        top: calc(var(--wm-header-h) + 24px);
    }

    .wm-hero__content {
        bottom: 100px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .wm-reveal,
    .wm-hero__slide {
        transition: none;
    }

    .wm-reveal {
        opacity: 1;
        transform: none;
    }
}