@import url("theme.css");

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
    .mock-ui {
        animation: none !important;
    }
}

.container {
    width: min(1120px, 100% - 40px);
    margin-inline: auto;
}

.container--narrow {
    width: min(720px, 100% - 40px);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(246, 247, 251, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(102, 126, 234, 0.08);
    transition: box-shadow 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.92);
}

.site-header__inner {
    height: 100%;
    width: min(1120px, 100% - 32px);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-md);
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 22px;
    background: var(--color-text);
    margin-inline: auto;
    transition: transform 0.2s var(--ease-out), opacity 0.2s;
}

.site-header.is-open .nav-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.site-header.is-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.site-header.is-open .nav-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.site-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 20px;
}

.site-nav a:not(.btn) {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
    transition: color 0.2s;
}

.site-nav a:not(.btn):hover {
    color: var(--color-gradient-start);
}

.site-nav__actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-left: 12px;
    padding-left: 16px;
    border-left: 1px solid rgba(102, 126, 234, 0.15);
}

/* Hero */
.hero {
    position: relative;
    padding: clamp(48px, 8vw, 100px) 0 clamp(56px, 10vw, 100px);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 0%, rgba(139, 92, 246, 0.22), transparent 55%),
        radial-gradient(ellipse 60% 50% at 10% 80%, rgba(102, 126, 234, 0.18), transparent 50%),
        linear-gradient(180deg, #eef0fb 0%, var(--color-bg) 55%);
    pointer-events: none;
}

.hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
}

.hero__eyebrow {
    display: inline-block;
    margin: 0 0 16px;
    padding: 6px 14px;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-gradient-end);
    background: rgba(102, 126, 234, 0.12);
    border-radius: var(--radius-pill);
}

.hero h1 {
    margin: 0 0 20px;
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.hero__gradient {
    display: inline;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lead {
    margin: 0 0 28px;
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 34em;
}

.hero__lead strong {
    color: var(--color-text);
    font-weight: 700;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 20px;
}

.trust-chips {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
}

.trust-chips li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-muted);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(102, 126, 234, 0.14);
    border-radius: var(--radius-pill);
}

.trust-chips li::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
    flex-shrink: 0;
}

.hero__note {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* Quote strip */
.quote-strip {
    padding: 28px 0;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.06), rgba(139, 92, 246, 0.05));
    border-bottom: 1px solid rgba(102, 126, 234, 0.08);
}

.quote-strip__inner {
    text-align: center;
    max-width: 720px;
    margin-inline: auto;
}

.quote-strip__quote {
    margin: 0;
}

.quote-strip__quote p {
    margin: 0;
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    font-weight: 600;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.55;
}

.quote-strip__cite {
    margin: 14px 0 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Mock UI */
.mock-ui {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
    max-width: 420px;
    margin-left: auto;
    animation: mock-float 7s ease-in-out infinite;
}

@keyframes mock-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.mock-ui__bar {
    display: flex;
    gap: 6px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.06));
    border-bottom: 1px solid rgba(102, 126, 234, 0.08);
}

.mock-ui__bar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
}

.mock-ui__bar span:nth-child(1) { background: #ff6b6b; }
.mock-ui__bar span:nth-child(2) { background: #ffd43b; }
.mock-ui__bar span:nth-child(3) { background: #51cf66; }

.mock-ui__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 20px;
}

.mock-ui__col {
    padding: 12px;
}

.mock-ui__col--tasks {
    border-right: 1px solid rgba(102, 126, 234, 0.1);
}

.mock-ui__title {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.mock-chip {
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: var(--color-bg);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 8px;
    border: 1px solid rgba(102, 126, 234, 0.08);
}

.mock-chip--urgent {
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(239, 68, 68, 0.06);
}

.mock-chip--done {
    opacity: 0.65;
    text-decoration: line-through;
}

.mock-file {
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.06), rgba(139, 92, 246, 0.05));
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-gradient-end);
}

.mock-file--tg {
    border: 1px dashed rgba(102, 126, 234, 0.35);
    background: transparent;
}

/* Stats strip */
.strip {
    padding: 40px 0;
}

.strip--stats {
    background: var(--color-bg-card);
    border-block: 1px solid rgba(102, 126, 234, 0.08);
}

.strip__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: center;
}

.stat__value {
    display: block;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.stat__label {
    display: block;
    margin-top: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Sections */
.section {
    padding: clamp(64px, 10vw, 100px) 0;
    scroll-margin-top: calc(var(--header-h) + 12px);
}

.section--alt {
    background: linear-gradient(180deg, #fff 0%, #f3f4fc 100%);
}

.section--messengers {
    background: var(--color-bg-card);
    border-block: 1px solid rgba(102, 126, 234, 0.08);
}

.section__head {
    margin-bottom: 48px;
    max-width: 640px;
}

.section__head--center {
    margin-inline: auto;
    text-align: center;
    max-width: 720px;
}

.section__head h2 {
    margin: 0 0 16px;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section__sub {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 1.0625rem;
}

.feature-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s var(--ease-out), box-shadow 0.25s, border-color 0.25s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(139, 92, 246, 0.25);
}

.feature-card__icon {
    font-size: 1.75rem;
    margin-bottom: 16px;
    line-height: 1;
}

.feature-card h3 {
    margin: 0 0 12px;
    font-size: 1.125rem;
    font-weight: 800;
}

.feature-card p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.messenger-row {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.messenger-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--color-bg);
    font-weight: 700;
    font-size: 1rem;
    border: 1px solid rgba(102, 126, 234, 0.12);
    border-radius: var(--radius-pill);
}

.messenger-pill__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.messenger-pill__dot--tg {
    background: #2aabee;
    box-shadow: 0 0 0 3px rgba(42, 171, 238, 0.25);
}

.messenger-pill__dot--vk {
    background: #0077ff;
    box-shadow: 0 0 0 3px rgba(0, 119, 255, 0.22);
}

.messenger-pill__dot--max {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.25);
}

/* Steps */
.steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 20px;
}

@media (min-width: 768px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

.step {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--shadow-sm);
}

.step__num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    color: #fff;
    background: var(--gradient-brand);
    border-radius: var(--radius-lg);
}

.step h3 {
    margin: 0 0 8px;
    font-size: 1.0625rem;
    font-weight: 800;
}

.step p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Audience */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.audience-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: var(--shadow-sm);
}

.audience-card--accent {
    background: linear-gradient(145deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.08));
    border-color: rgba(139, 92, 246, 0.25);
}

.audience-card h3 {
    margin: 0 0 20px;
    font-size: 1.25rem;
    font-weight: 800;
}

.audience-card ul {
    margin: 0;
    padding-left: 1.2em;
    color: var(--color-text-muted);
}

.audience-card li {
    margin-bottom: 10px;
}

.audience-card li:last-child {
    margin-bottom: 0;
}

/* CTA band */
#faq {
    scroll-margin-top: calc(var(--header-h) + 12px);
}

.cta-band {
    padding: clamp(56px, 8vw, 88px) 0;
    background: var(--gradient-brand);
    color: #fff;
}

.cta-band__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.cta-band h2 {
    margin: 0 0 10px;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
}

.cta-band p {
    margin: 0;
    opacity: 0.92;
    max-width: 420px;
    font-size: 1.0625rem;
}

.cta-band__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* FAQ */
.faq__item {
    border: 1px solid rgba(102, 126, 234, 0.12);
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    margin-bottom: 12px;
    overflow: hidden;
}

.faq__item summary {
    padding: 18px 22px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary::after {
    content: "+";
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-accent);
    transition: transform 0.2s var(--ease-out);
}

.faq__item[open] summary::after {
    transform: rotate(45deg);
}

.faq__item p {
    margin: 0;
    padding: 0 22px 20px;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* Footer */
.site-footer {
    padding: 40px 0 48px;
    background: #1a1625;
    color: rgba(255, 255, 255, 0.75);
}

.site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: #fff;
}

.site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.site-footer__nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
}

.site-footer__nav a:hover {
    color: #fff;
}

.site-footer__copy {
    width: 100%;
    margin: 8px 0 0;
    font-size: 0.8125rem;
    opacity: 0.55;
}

/* Reveal */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal--delay {
    transition-delay: 0.12s;
}

/* Mobile */
@media (max-width: 900px) {
    .hero__grid {
        grid-template-columns: 1fr;
    }

    .hero__visual {
        order: -1;
    }

    .mock-ui {
        margin-inline: auto;
        max-width: 100%;
    }

    .strip__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: fixed;
        inset: var(--header-h) 0 0 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: stretch;
        padding: 24px 20px 32px;
        gap: 4px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.35s var(--ease-out), opacity 0.25s, visibility 0.25s;
        border-bottom: 1px solid rgba(102, 126, 234, 0.1);
        overflow-y: auto;
    }

    .site-header.is-open .site-nav {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .site-nav a:not(.btn) {
        padding: 14px 12px;
        font-size: 1rem;
    }

    .site-nav__actions {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        flex-direction: column;
        margin-top: 16px;
        padding-top: 20px;
        border-top: 1px solid rgba(102, 126, 234, 0.12);
    }

    .site-nav__actions .btn {
        width: 100%;
    }

    .hero__cta .btn {
        flex: 1 1 auto;
        min-width: 140px;
        justify-content: center;
    }
}