/* ── Landing page styles ─────────────────────────────────────────────── */

/* ── Header ──────────────────────────────────────────────────────────── */
.landing-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    height: 64px;
}
.landing-header__inner {
    max-width: 1120px; margin: 0 auto;
    padding: 0 24px; height: 100%;
    display: flex; align-items: center; gap: 32px;
}
.landing-logo {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: 18px; font-weight: 600; color: var(--gray-900);
    text-decoration: none; flex-shrink: 0;
}
.landing-logo__icon { flex-shrink: 0; }
.landing-nav {
    display: flex; align-items: center; gap: 8px; margin-left: auto;
}
.landing-nav__link {
    padding: 8px 14px; border-radius: 8px;
    color: var(--gray-600); font-size: 14px; font-weight: 500;
    text-decoration: none; transition: background .15s, color .15s;
}
.landing-nav__link:hover { background: var(--gray-100); color: var(--gray-900); text-decoration: none; }
.landing-nav__btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 8px 20px; border-radius: 8px;
    background: var(--blue); color: #fff;
    font-size: 14px; font-weight: 500; text-decoration: none;
    transition: background .15s;
}
.landing-nav__btn:hover { background: var(--blue-h); text-decoration: none; }

/* Burger */
.landing-burger {
    display: none; background: none; border: none; cursor: pointer;
    width: 32px; height: 32px; position: relative; margin-left: auto;
}
.landing-burger span {
    display: block; width: 20px; height: 2px; background: var(--gray-900);
    border-radius: 2px; position: absolute; left: 6px;
    transition: all .25s;
}
.landing-burger span:nth-child(1) { top: 9px; }
.landing-burger span:nth-child(2) { top: 15px; }
.landing-burger span:nth-child(3) { top: 21px; }
.landing-burger.open span:nth-child(1) { top: 15px; transform: rotate(45deg); }
.landing-burger.open span:nth-child(2) { opacity: 0; }
.landing-burger.open span:nth-child(3) { top: 15px; transform: rotate(-45deg); }

/* ── Section shared ──────────────────────────────────────────────────── */
.section-container {
    max-width: 1120px; margin: 0 auto; padding: 0 24px;
}
.section-title-landing {
    font-size: 32px; font-weight: 700; text-align: center;
    margin-bottom: 40px; color: var(--gray-900);
}
.landing-page { background: #fff; }

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero {
    padding: 140px 24px 80px;
    background: linear-gradient(170deg, #F0F6FF 0%, #FFFFFF 60%);
    text-align: center;
}
.hero__inner {
    max-width: 720px; margin: 0 auto;
}
.hero__title {
    font-size: 44px; font-weight: 700; line-height: 1.15;
    color: var(--gray-900); margin-bottom: 20px;
}
.hero__sub {
    font-size: 18px; line-height: 1.6; color: var(--gray-600);
    margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.hero__cta {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 36px; border-radius: 10px;
    background: var(--blue); color: #fff;
    font-size: 16px; font-weight: 600; text-decoration: none;
    transition: background .15s, transform .1s;
    box-shadow: 0 4px 14px rgba(0,98,255,.25);
}
.hero__cta:hover { background: var(--blue-h); transform: translateY(-1px); text-decoration: none; }
.hero__hint {
    margin-top: 14px; font-size: 13px; color: var(--gray-400);
}

/* ── How it works ────────────────────────────────────────────────────── */
.how { padding: 80px 0; background: #fff; }
.how__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.how__step {
    text-align: center; padding: 24px;
}
.how__num {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--blue); color: #fff;
    font-size: 20px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}
.how__step-title { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.how__step-text { font-size: 14px; color: var(--gray-600); line-height: 1.5; }

/* ── Features ────────────────────────────────────────────────────────── */
.features { padding: 80px 0; background: var(--gray-50); }
.features__grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
    background: #fff; border-radius: 16px; padding: 28px;
    border: 1px solid var(--gray-200);
    transition: box-shadow .2s, transform .2s;
}
.feature-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,.08);
    transform: translateY(-2px);
}
.feature-card__icon { font-size: 32px; margin-bottom: 14px; }
.feature-card__title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.feature-card__text { font-size: 14px; color: var(--gray-600); line-height: 1.5; }

/* ── Pricing ─────────────────────────────────────────────────────────── */
.pricing { padding: 80px 0; background: #fff; }
.pricing__sub {
    text-align: center; font-size: 16px; color: var(--gray-600);
    margin-top: -24px; margin-bottom: 40px;
}
.pricing__grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    max-width: 920px; margin: 0 auto;
}
.pricing-card {
    border: 2px solid var(--gray-200); border-radius: 16px;
    padding: 28px 20px; text-align: center;
    position: relative; background: #fff;
    transition: border-color .2s, box-shadow .2s;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.pricing-card:hover { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,98,255,.1); }
.pricing-card--accent {
    border-color: var(--blue);
    box-shadow: 0 4px 20px rgba(0,98,255,.12);
}
.pricing-card__badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--blue); color: #fff;
    padding: 3px 14px; border-radius: 20px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
}
.pricing-card__name { font-size: 15px; font-weight: 600; }
.pricing-card__price { font-size: 32px; font-weight: 700; color: var(--blue); }
.pricing-card__desc { font-size: 13px; color: var(--gray-600); }
.pricing-card__btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: 8px; margin-top: auto;
    background: var(--blue); color: #fff;
    font-size: 14px; font-weight: 500; text-decoration: none;
    transition: background .15s;
}
.pricing-card__btn:hover { background: var(--blue-h); text-decoration: none; }
.pricing-card__btn--outline {
    background: transparent; color: var(--blue);
    border: 1.5px solid var(--blue);
}
.pricing-card__btn--outline:hover {
    background: var(--blue); color: #fff;
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */
.faq { padding: 80px 0; background: var(--gray-50); }
.faq__list {
    max-width: 720px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 12px;
}
.faq__item {
    background: #fff; border-radius: 12px;
    border: 1px solid var(--gray-200);
    overflow: hidden; transition: box-shadow .2s;
}
.faq__item[open] { box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.faq__question {
    padding: 18px 24px; cursor: pointer;
    font-size: 15px; font-weight: 500; color: var(--gray-900);
    list-style: none; user-select: none;
    display: flex; align-items: center; justify-content: space-between;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::after {
    content: '+'; font-size: 20px; font-weight: 300; color: var(--gray-400);
    flex-shrink: 0; margin-left: 16px;
    transition: transform .2s;
}
.faq__item[open] .faq__question::after {
    content: '\2212'; /* minus */
    color: var(--blue);
}
.faq__answer {
    padding: 0 24px 18px; font-size: 14px;
    color: var(--gray-600); line-height: 1.6;
}

/* ── CTA ──────────────────────────────────────────────────────────────── */
.cta { padding: 80px 0; background: linear-gradient(170deg, #0062FF 0%, #003FCC 100%); }
.cta__inner { text-align: center; }
.cta__title { font-size: 30px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.cta__sub { font-size: 16px; color: rgba(255,255,255,.8); margin-bottom: 28px; }
.cta__btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 36px; border-radius: 10px;
    background: #fff; color: var(--blue);
    font-size: 16px; font-weight: 600; text-decoration: none;
    transition: transform .1s, box-shadow .15s;
}
.cta__btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.15); text-decoration: none; }

/* ── Footer ──────────────────────────────────────────────────────────── */
.landing-footer {
    padding: 32px 24px; background: var(--gray-900);
}
.landing-footer__inner {
    max-width: 1120px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 16px;
}
.landing-footer__copy { font-size: 13px; color: var(--gray-400); }
.landing-footer__nav {
    display: flex; gap: 20px; flex-wrap: wrap;
}
.landing-footer__nav a {
    font-size: 13px; color: var(--gray-400); text-decoration: none;
    transition: color .15s;
}
.landing-footer__nav a:hover { color: #fff; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    /* Nav */
    .landing-burger { display: block; }
    .landing-nav {
        display: none; position: fixed; top: 64px; left: 0; right: 0;
        background: #fff; padding: 16px 24px; flex-direction: column;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .landing-nav.open { display: flex; }
    .landing-nav__link { padding: 12px 0; }
    .landing-nav__btn { width: 100%; text-align: center; }

    /* Hero */
    .hero { padding: 120px 20px 60px; }
    .hero__title { font-size: 30px; }
    .hero__sub { font-size: 16px; }

    /* Grids */
    .how__grid { grid-template-columns: 1fr; gap: 16px; }
    .features__grid { grid-template-columns: 1fr 1fr; }
    .pricing__grid { grid-template-columns: 1fr 1fr; }

    .section-title-landing { font-size: 26px; margin-bottom: 28px; }

    /* Footer */
    .landing-footer__inner { flex-direction: column; text-align: center; }
    .landing-footer__nav { justify-content: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 26px; }
    .features__grid { grid-template-columns: 1fr; }
    .pricing__grid { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
    .cta__title { font-size: 24px; }
}