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

:root {
    --c-primary: #4F7BE8;
    --c-primary-dark: #3D63C9;
    --c-primary-light: #7BA0F4;
    --c-accent: #38B2AC;
    --c-accent-light: #81E6D9;
    --c-bg: #FAFBFE;
    --c-bg-alt: #F0F4FA;
    --c-bg-card: #FFFFFF;
    --c-bg-warm: #F7F5F2;
    --c-text: #2D3748;
    --c-text-secondary: #718096;
    --c-border: #E2E8F0;
    --c-border-light: #EDF2F7;
    --c-tg: #2AABEE;
    --c-success: #48BB78;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-card: 0 1px 3px rgba(0,0,0,.04), 0 4px 20px rgba(79,123,232,.06);
    --shadow-hover: 0 8px 32px rgba(79,123,232,.12);
    --shadow-glow: 0 0 40px rgba(79,123,232,.15);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container: 1140px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all .2s ease;
    white-space: nowrap;
    text-decoration: none;
}
.btn--primary {
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff;
    box-shadow: 0 2px 8px rgba(79,123,232,.25);
    position: relative;
    overflow: hidden;
}
.btn--primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -60%;
    width: 40%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.2), transparent);
    transform: skewX(-15deg);
    transition: left .5s ease;
    pointer-events: none;
}
.btn--primary:hover::after { left: 120%; }
.btn--primary:hover { background: linear-gradient(135deg, var(--c-primary-dark), #3458B8); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79,123,232,.35); }
.btn--primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(79,123,232,.25); }
.btn--outline {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-primary);
}
.btn--outline:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(79,123,232,.2); }
.btn--outline:active { transform: translateY(0); }
.btn--sm { padding: 10px 20px; font-size: .9rem; }
.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(250,251,254,.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: box-shadow .3s, background .3s;
}
.header--scrolled {
    background: rgba(250,251,254,.97);
    box-shadow: 0 1px 16px rgba(79,123,232,.06);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.header__logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--c-text);
    display: flex;
    align-items: center;
    gap: 6px;
}
.logo-icon {
    color: var(--c-primary);
    font-size: 1.4rem;
    transition: transform .3s;
}
.header__logo:hover .logo-icon { transform: rotate(90deg) scale(1.1); }
.header__nav {
    display: flex;
    gap: 28px;
}
.header__link {
    font-size: .9rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    transition: color .2s;
}
.header__link:hover { color: var(--c-primary); }
.header__cta { display: inline-flex; }

.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.header__burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: all .3s;
}
.header__burger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger--open span:nth-child(2) { opacity: 0; }
.header__burger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 64px; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,.98);
    backdrop-filter: blur(12px);
    z-index: 99;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}
.mobile-menu--open { opacity: 1; pointer-events: auto; }
.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 320px;
}
.mobile-menu__link {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--c-text);
    padding: 8px 0;
    border-bottom: 1px solid var(--c-border);
}

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #EEF2FB 0%, var(--c-bg) 100%);
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -150px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(56,178,172,.06) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroFloat 8s ease-in-out infinite alternate;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(79,123,232,.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: heroFloat 10s ease-in-out infinite alternate-reverse;
    pointer-events: none;
}
@keyframes heroFloat {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 20px) scale(1.1); }
}
.hero__inner { position: relative; z-index: 1; }
.hero__badge {
    display: inline-block;
    background: rgba(79,123,232,.08);
    color: var(--c-primary);
    font-size: .85rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
    animation: badgeShimmer 3s ease-in-out infinite;
    border: 1px solid rgba(79,123,232,.12);
}
@keyframes badgeShimmer {
    0%, 100% { background: rgba(79,123,232,.08); }
    50% { background: rgba(79,123,232,.14); }
}
.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}
.gradient-text {
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent), var(--c-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}
@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}
.hero__subtitle {
    font-size: 1.15rem;
    color: var(--c-text-secondary);
    max-width: 560px;
    margin: 0 auto 32px;
}
.hero__stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
}
.hero__stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--c-text);
}
.hero__stat-label {
    font-size: .85rem;
    color: var(--c-text-secondary);
}
.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: var(--c-border);
}
.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.hero__badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}
.hero__mini-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    padding: 6px 14px;
    background: rgba(255,255,255,.6);
    border-radius: 100px;
    border: 1px solid rgba(79,123,232,.08);
    backdrop-filter: blur(4px);
    transition: all .3s;
}
.hero__mini-badge:hover {
    background: rgba(255,255,255,.9);
    border-color: rgba(79,123,232,.15);
    transform: translateY(-1px);
}
.hero__mini-badge svg {
    color: var(--c-accent);
    flex-shrink: 0;
}
.hero__bg-glow {
    position: absolute;
    top: -120px; left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(79,123,232,.1) 0%, rgba(56,178,172,.05) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: glowPulse 5s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { opacity: .7; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

/* ===== Section common ===== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
    transition: all .6s cubic-bezier(.25,.46,.45,.94);
}
.section-header.animate-in { opacity: 1; transform: translateY(0); }
.section-badge {
    display: inline-block;
    background: rgba(79,123,232,.07);
    color: var(--c-primary);
    font-size: .8rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
    border: 1px solid rgba(79,123,232,.1);
}
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 12px;
}
.section-desc {
    color: var(--c-text-secondary);
    font-size: 1.05rem;
    max-width: 480px;
    margin: 0 auto;
}

/* ===== Popular ===== */
.popular {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.popular__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.popular-card {
    position: relative;
    background: var(--c-bg-card);
    border: 2px solid var(--c-border);
    border-radius: 20px;
    padding: 36px 28px 28px;
    text-align: center;
    transition: all .4s cubic-bezier(.25,.46,.45,.94);
    opacity: 0;
    transform: translateY(30px);
}
.popular-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(79,123,232,.2), rgba(56,178,172,.2));
    opacity: 0;
    transition: opacity .4s;
    z-index: -1;
    filter: blur(12px);
}
.popular-card.animate-in { opacity: 1; transform: translateY(0); }
.popular-card:hover {
    border-color: var(--c-primary-light);
    box-shadow: 0 16px 48px rgba(79,123,232,.15);
    transform: translateY(-6px);
}
.popular-card:hover::before { opacity: 1; }
.popular-card.animate-in:hover { transform: translateY(-6px); }
.popular-card__badge {
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 100px;
    white-space: nowrap;
    letter-spacing: .3px;
    box-shadow: 0 2px 12px rgba(79,123,232,.3);
}
.popular-card__icon {
    width: 64px; height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform .3s, box-shadow .3s;
}
.popular-card:hover .popular-card__icon {
    transform: scale(1.08) rotate(-2deg);
    box-shadow: 0 6px 20px rgba(0,0,0,.12);
}
.popular-card__name {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 10px;
}
.popular-card__desc {
    font-size: .95rem;
    color: var(--c-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}
.popular-card__price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--c-accent);
    margin-bottom: 20px;
}
.popular-card__price .price { font-size: 1.4rem; }
.popular-card .btn { padding: 14px 28px; font-size: 1rem; }

/* ===== Services ===== */
.services {
    padding: 80px 0;
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}
.service-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 24px 20px;
    transition: all .4s cubic-bezier(.25,.46,.45,.94);
    opacity: 0;
    transform: translateY(25px);
    position: relative;
}
.service-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}
.service-card:hover {
    border-color: var(--c-primary-light);
    box-shadow: 0 12px 36px rgba(79,123,232,.14);
    transform: translateY(-5px);
}
.service-card.animate-in:hover { transform: translateY(-5px); }
.service-card__icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    transition: transform .3s;
}
.service-card:hover .service-card__icon {
    transform: scale(1.1) rotate(-3deg);
}
.service-card__name {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.service-card__desc {
    font-size: .9rem;
    color: var(--c-text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}
.service-card__price {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-accent);
    margin-bottom: 16px;
}
.service-card__price .price { font-size: 1.2rem; }

/* ===== Advantages ===== */
.advantages { padding: 80px 0; }
.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}
.advantage-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all .4s cubic-bezier(.25,.46,.45,.94);
    opacity: 0;
    transform: translateY(25px);
    position: relative;
    overflow: hidden;
}
.advantage-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    transform: scaleX(0);
    transition: transform .4s;
    transform-origin: left;
}
.advantage-card:hover::after { transform: scaleX(1); }
.advantage-card.animate-in { opacity: 1; transform: translateY(0); }
.advantage-card:hover { border-color: var(--c-primary-light); box-shadow: 0 12px 36px rgba(79,123,232,.12); transform: translateY(-4px); }
.advantage-card.animate-in:hover { transform: translateY(-4px); }
.advantage-card__icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, rgba(79,123,232,.08), rgba(56,178,172,.06));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--c-primary);
    transition: transform .3s, background .3s;
}
.advantage-card:hover .advantage-card__icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(79,123,232,.14), rgba(56,178,172,.1));
}
.advantage-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.advantage-card__desc {
    font-size: .9rem;
    color: var(--c-text-secondary);
}

/* ===== How it works ===== */
.how {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.how__steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.how__step {
    text-align: center;
    flex: 1 1 200px;
    max-width: 260px;
    opacity: 0;
    transform: translateY(20px);
}
.how__step.animate-in { opacity: 1; transform: translateY(0); }
.how__step-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 4px 12px rgba(79,123,232,.2);
    transition: transform .3s, box-shadow .3s;
    position: relative;
}
.how__step:hover .how__step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(79,123,232,.3);
}
.how__step-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.how__step-desc {
    font-size: .9rem;
    color: var(--c-text-secondary);
}
.how__step-arrow {
    display: flex;
    align-items: center;
    padding-top: 16px;
    color: var(--c-primary-light);
    animation: arrowBounce 2s ease-in-out infinite;
}
@keyframes arrowBounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(4px); }
}

/* ===== Reviews ===== */
.reviews { padding: 80px 0; }
.reviews__slider {
    overflow: hidden;
    position: relative;
}
.reviews__track {
    display: flex;
    gap: 24px;
    transition: transform .5s cubic-bezier(.25,.46,.45,.94);
}
.review-card {
    min-width: calc((100% - 48px) / 3);
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 24px;
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: border-color .3s, box-shadow .3s;
}
.review-card.animate-in { opacity: 1; transform: translateY(0); }
.review-card:hover { border-color: var(--c-primary-light); box-shadow: 0 8px 24px rgba(79,123,232,.08); }
.review-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.review-card__avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.review-card__name { font-weight: 600; font-size: .95rem; }
.review-card__stars { color: #f59e0b; font-size: .85rem; letter-spacing: 2px; }
.review-card__text {
    font-size: .9rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}
.reviews__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
}
.reviews__btn {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: var(--c-bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
    color: var(--c-text);
}
.reviews__btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.reviews__dots { display: flex; gap: 8px; }
.reviews__dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    border: none;
    background: var(--c-border);
    cursor: pointer;
    transition: all .2s;
    padding: 0;
}
.reviews__dot--active { background: var(--c-primary); width: 24px; border-radius: 4px; }
.reviews__links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: wrap;
}
.reviews__platform-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: .9rem;
    transition: all .2s;
}
.reviews__platform-link:hover {
    border-color: var(--c-primary);
    color: var(--c-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79,123,232,.1);
}

/* ===== Use Cases ===== */
.usecases {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.usecases__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.usecase-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: all .4s cubic-bezier(.25,.46,.45,.94);
    opacity: 0;
    transform: translateY(25px);
}
.usecase-card.animate-in { opacity: 1; transform: translateY(0); }
.usecase-card:hover { border-color: var(--c-primary-light); box-shadow: 0 12px 36px rgba(79,123,232,.12); transform: translateY(-4px); }
.usecase-card.animate-in:hover { transform: translateY(-4px); }
.usecase-card__icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, rgba(79,123,232,.08), rgba(56,178,172,.06));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    color: var(--c-primary);
    transition: transform .3s, background .3s;
}
.usecase-card:hover .usecase-card__icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(79,123,232,.14), rgba(56,178,172,.1));
}
.usecase-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.usecase-card__desc {
    font-size: .85rem;
    color: var(--c-text-secondary);
    line-height: 1.5;
}

/* ===== Trust ===== */
.trust {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 50%, var(--c-primary) 100%);
    background-size: 200% 100%;
    animation: trustGradient 6s ease-in-out infinite;
    color: #fff;
    position: relative;
}
@keyframes trustGradient {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}
.trust__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.trust__item {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
}
.trust__item.animate-in { opacity: 1; transform: translateY(0); }
.trust__number { font-size: 2rem; font-weight: 800; }
.trust__label { font-size: .95rem; opacity: .85; }
.trust__divider {
    width: 1px;
    height: 48px;
    background: rgba(255,255,255,.25);
}
.trust__logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,.15);
}
.trust__logo-item {
    font-size: .85rem;
    font-weight: 600;
    opacity: .7;
    letter-spacing: .3px;
    transition: opacity .3s, transform .3s;
}
.trust__logo-item:hover { opacity: 1; transform: scale(1.08); }

/* ===== FAQ ===== */
.faq {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.faq__list {
    max-width: 680px;
    margin: 0 auto;
}
.faq__item {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .2s;
}
.faq__item.active { border-color: var(--c-primary-light); }
.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    background: none;
    border: none;
    font-family: var(--font);
    font-size: .95rem;
    font-weight: 600;
    color: var(--c-text);
    cursor: pointer;
    text-align: left;
    transition: color .2s;
}
.faq__question:hover { color: var(--c-primary); }
.faq__arrow {
    flex-shrink: 0;
    color: var(--c-text-secondary);
    transition: transform .3s;
}
.faq__item.active .faq__arrow { transform: rotate(180deg); color: var(--c-primary); }
.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease, padding .3s ease;
}
.faq__item.active .faq__answer {
    max-height: 200px;
}
.faq__answer p {
    padding: 0 20px 18px;
    font-size: .9rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* ===== Contacts ===== */
.contacts {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.contacts__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}
.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 28px 20px;
    text-align: center;
    transition: all .4s cubic-bezier(.25,.46,.45,.94);
    opacity: 0;
    transform: translateY(25px);
}
.contact-card.animate-in { opacity: 1; transform: translateY(0); }
.contact-card:hover { transform: translateY(-5px); box-shadow: 0 12px 36px rgba(79,123,232,.12); }
.contact-card.animate-in:hover { transform: translateY(-5px); }
.contact-card svg { transition: transform .3s; }
.contact-card:hover svg { transform: scale(1.15); }
.contact-card--tg:hover { border-color: #2AABEE; color: #2AABEE; }
.contact-card--bot:hover { border-color: #7c3aed; color: #7c3aed; }
.contact-card--vk:hover { border-color: #4C75A3; color: #4C75A3; }
.contact-card--avito:hover { border-color: #00aaff; color: #00aaff; }
.contact-card__name { font-weight: 700; font-size: 1rem; }
.contact-card__desc { font-size: .85rem; color: var(--c-text-secondary); }
.contacts__consult {
    text-align: center;
    margin-top: 36px;
    padding-top: 32px;
    border-top: 1px solid var(--c-border);
}
.contacts__consult-text {
    font-size: 1.05rem;
    color: var(--c-text-secondary);
    margin-bottom: 16px;
}

/* ===== Footer ===== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--c-border-light);
    background: var(--c-bg);
}
.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer__logo {
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer__copy {
    font-size: .85rem;
    color: var(--c-text-secondary);
}

/* ===== Floating Telegram ===== */
.floating-tg {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 56px; height: 56px;
    background: linear-gradient(135deg, #2AABEE, #1E96D1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(42,171,238,.3);
    z-index: 90;
    transition: all .3s;
    animation: floatPulse 3s ease-in-out infinite;
}
.floating-tg::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(42,171,238,.2);
    animation: floatRing 3s ease-in-out infinite;
    z-index: -1;
}
.floating-tg:hover {
    transform: scale(1.12);
    box-shadow: 0 8px 28px rgba(42,171,238,.45);
}
@keyframes floatPulse {
    0%, 100% { box-shadow: 0 4px 16px rgba(42,171,238,.3); }
    50% { box-shadow: 0 4px 24px rgba(42,171,238,.5); }
}
@keyframes floatRing {
    0%, 100% { inset: -4px; opacity: .6; }
    50% { inset: -10px; opacity: 0; }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Hero entrance animation */
.hero__badge { animation: fadeInUp .6s ease-out both, badgeShimmer 3s ease-in-out infinite; }
.hero__title { animation: fadeInUp .6s ease-out .1s both; }
.hero__subtitle { animation: fadeInUp .6s ease-out .2s both; }
.hero__stats { animation: fadeInUp .6s ease-out .3s both; }
.hero__actions { animation: fadeInUp .6s ease-out .4s both; }
.hero__badges { animation: fadeInUp .6s ease-out .5s both; }

/* Header link underline effect */
.header__link { position: relative; }
.header__link::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 2px;
    background: var(--c-primary);
    border-radius: 1px;
    transform: scaleX(0);
    transition: transform .3s;
    transform-origin: center;
}
.header__link:hover::after { transform: scaleX(1); }

/* Reviews dot transition */
.reviews__dot { transition: all .3s cubic-bezier(.25,.46,.45,.94); }

/* Reviews btn hover */
.reviews__btn { transition: all .3s; }
.reviews__btn:hover { border-color: var(--c-primary); color: var(--c-primary); transform: scale(1.08); }

/* Stagger delays for grid children */
.services__grid > :nth-child(1) { transition-delay: 0s; }
.services__grid > :nth-child(2) { transition-delay: .05s; }
.services__grid > :nth-child(3) { transition-delay: .1s; }
.services__grid > :nth-child(4) { transition-delay: .15s; }
.services__grid > :nth-child(5) { transition-delay: .2s; }
.services__grid > :nth-child(6) { transition-delay: .25s; }
.services__grid > :nth-child(7) { transition-delay: .3s; }

.advantages__grid > :nth-child(1) { transition-delay: 0s; }
.advantages__grid > :nth-child(2) { transition-delay: .08s; }
.advantages__grid > :nth-child(3) { transition-delay: .16s; }
.advantages__grid > :nth-child(4) { transition-delay: .24s; }

.usecases__grid > :nth-child(1) { transition-delay: 0s; }
.usecases__grid > :nth-child(2) { transition-delay: .08s; }
.usecases__grid > :nth-child(3) { transition-delay: .16s; }
.usecases__grid > :nth-child(4) { transition-delay: .24s; }

.popular__grid > :nth-child(1) { transition-delay: 0s; }
.popular__grid > :nth-child(2) { transition-delay: .1s; }
.popular__grid > :nth-child(3) { transition-delay: .2s; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .header__nav, .header__cta { display: none; }
    .header__burger { display: flex; }

    /* Hero — compact */
    .hero { padding: 100px 0 40px; }
    .hero__title { font-size: 1.8rem; margin-bottom: 12px; }
    .hero__subtitle { font-size: 1rem; margin-bottom: 20px; }
    .hero__badge { font-size: .78rem; padding: 4px 12px; margin-bottom: 16px; }
    .hero__stats { gap: 16px; margin-bottom: 24px; }
    .hero__stat-number { font-size: 1.15rem; }
    .hero__stat-label { font-size: .75rem; }
    .hero__stat-divider { height: 32px; }
    .hero__actions { flex-direction: column; align-items: center; gap: 10px; margin-bottom: 20px; }
    .hero__actions .btn { width: 100%; max-width: 300px; padding: 12px 24px; font-size: .9rem; }
    .hero__badges { gap: 8px; flex-direction: column; align-items: center; }
    .hero__mini-badge { font-size: .78rem; padding: 4px 10px; gap: 6px; }
    .hero__mini-badge svg { width: 14px; height: 14px; }

    /* Sections — reduced padding */
    .popular, .services, .advantages, .how, .reviews, .contacts, .faq { padding: 40px 0; }
    .section-header { margin-bottom: 28px; }
    .section-title { font-size: 1.4rem; margin-bottom: 8px; }
    .section-desc { font-size: .9rem; }
    .section-badge { font-size: .7rem; padding: 3px 10px; margin-bottom: 8px; }

    /* Popular cards — horizontal swipe slider */
    .popular__grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 14px;
        padding: 14px 4px 18px;
        margin: 0 -20px;
        padding-left: 20px;
        padding-right: 20px;
        scrollbar-width: none;
    }
    .popular__grid::-webkit-scrollbar { display: none; }
    .popular-card {
        min-width: 75vw;
        max-width: 300px;
        flex-shrink: 0;
        scroll-snap-align: center;
        padding: 24px 18px 18px;
        border-radius: 16px;
    }
    .popular-card__badge { font-size: .7rem; padding: 3px 12px; top: -10px; }
    .popular-card__icon { width: 48px; height: 48px; border-radius: 14px; margin-bottom: 12px; }
    .popular-card__icon svg { width: 26px; height: 26px; }
    .popular-card__name { font-size: 1.1rem; margin-bottom: 4px; }
    .popular-card__desc { font-size: .82rem; margin-bottom: 12px; line-height: 1.5; }
    .popular-card__price { font-size: .95rem; margin-bottom: 12px; }
    .popular-card__price .price { font-size: 1.1rem; }
    .popular-card .btn { padding: 10px 18px; font-size: .88rem; }

    /* Services — 2 columns compact */
    .services__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .service-card { padding: 16px 14px; border-radius: 12px; }
    .service-card__icon { width: 36px; height: 36px; border-radius: 10px; margin-bottom: 8px; }
    .service-card__icon svg { width: 18px; height: 18px; }
    .service-card__name { font-size: .9rem; margin-bottom: 4px; }
    .service-card__desc { font-size: .78rem; margin-bottom: 10px; line-height: 1.4; }
    .service-card__price { font-size: .9rem; margin-bottom: 10px; }
    .service-card__price .price { font-size: 1rem; }
    .service-card .btn { padding: 8px 12px; font-size: .8rem; }

    /* Advantages — 2 columns compact */
    .advantages__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .advantage-card { padding: 20px 14px; }
    .advantage-card__icon { width: 44px; height: 44px; border-radius: 12px; margin-bottom: 10px; }
    .advantage-card__icon svg { width: 20px; height: 20px; }
    .advantage-card__title { font-size: .9rem; margin-bottom: 4px; }
    .advantage-card__desc { font-size: .78rem; }

    /* How — horizontal compact */
    .how__step-arrow { display: none; }
    .how__steps { flex-direction: column; align-items: center; gap: 20px; }
    .how__step { max-width: 280px; }
    .how__step-number { width: 44px; height: 44px; font-size: 1.1rem; margin-bottom: 10px; }
    .how__step-title { font-size: .95rem; margin-bottom: 4px; }
    .how__step-desc { font-size: .82rem; }

    /* Reviews — compact */
    .review-card { min-width: 100%; padding: 18px; }
    .review-card__avatar { width: 36px; height: 36px; font-size: .85rem; }
    .review-card__name { font-size: .88rem; }
    .review-card__stars { font-size: .75rem; }
    .review-card__text { font-size: .82rem; }
    .reviews__controls { margin-top: 18px; }
    .reviews__links { margin-top: 20px; gap: 12px; }
    .reviews__platform-link { padding: 8px 14px; font-size: .82rem; }

    /* Trust — compact */
    .trust { padding: 36px 0; }
    .trust__inner { gap: 20px; margin-bottom: 18px; }
    .trust__divider { display: none; }
    .trust__number { font-size: 1.4rem; }
    .trust__label { font-size: .82rem; }
    .trust__logos { gap: 16px; padding-top: 12px; }
    .trust__logo-item { font-size: .75rem; }

    /* FAQ — compact */
    .faq__question { padding: 14px 16px; font-size: .88rem; }
    .faq__answer p { padding: 0 16px 14px; font-size: .82rem; }
    .faq__item { margin-bottom: 8px; }

    /* Contacts — 2 columns compact */
    .contacts__grid { grid-template-columns: 1fr 1fr; gap: 12px; max-width: 100%; }
    .contact-card { padding: 18px 12px; gap: 4px; }
    .contact-card svg { width: 22px; height: 22px; }
    .contact-card__name { font-size: .88rem; }
    .contact-card__desc { font-size: .75rem; }
    .contacts__consult { margin-top: 24px; padding-top: 20px; }
    .contacts__consult-text { font-size: .9rem; margin-bottom: 12px; }
    .contacts__consult .btn { padding: 11px 24px; font-size: .9rem; }

    /* Footer */
    .footer { padding: 20px 0; }
    .footer__inner { flex-direction: column; text-align: center; gap: 8px; }
    .footer__logo { font-size: 1rem; }
    .footer__copy { font-size: .78rem; }

    .floating-tg { bottom: 16px; right: 16px; width: 48px; height: 48px; }
    .floating-tg svg { width: 24px; height: 24px; }
}

/* Popular swipe dots (mobile only) */
.popular__dots {
    display: none;
    justify-content: center;
    gap: 6px;
    margin-top: 12px;
}
.popular__dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--c-border);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all .3s;
}
.popular__dot--active {
    background: var(--c-primary);
    width: 20px;
    border-radius: 4px;
}
@media (max-width: 768px) {
    .popular__dots { display: flex; }
}

@media (min-width: 640px) and (max-width: 1023px) {
    .review-card { min-width: calc((100% - 24px) / 2); }
    .popular__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
    .hero__title { font-size: 1.5rem; }
    .services__grid { grid-template-columns: 1fr; }
    .advantages__grid { grid-template-columns: 1fr; }
    .contacts__grid { grid-template-columns: 1fr; }
    .hero__actions .btn { max-width: 100%; }
}