/* ===================================================================
   home.css — site chrome (header/nav/footer) + homepage sections
   =================================================================== */

/* ------------------------------------------------ Header / Nav */
.site-header {
    position: sticky; top: 0; z-index: 50;
    height: var(--nav-h);
    display: flex; align-items: center;
    background: rgba(5, 15, 27, .72);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: var(--shadow); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; }
.brand__word { font-family: var(--font-display); font-size: 1.24rem; letter-spacing: -.02em; }
.brand__word span { color: var(--accent); }
.brand__mark { display: inline-flex; }

/* Official wordmark image (auto-scaled per context) */
.brand__img { height: 42px; width: auto; display: block; }
.brand--footer .brand__img { height: 46px; }
.auth-aside .brand__img { height: 56px; }
@media (max-width: 760px) { .brand__img { height: 36px; } }

.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav > a { color: var(--text-muted); font-weight: 600; font-size: .95rem; }
.site-nav > a:hover { color: var(--text); }
.nav-admin-link { color: var(--warning) !important; font-weight: 700 !important; }
.site-nav .btn { color: #fff; }
.btn-sm { padding: .55rem 1rem; font-size: .88rem; }

.nav-user { display: flex; align-items: center; gap: 12px; padding-left: 14px; border-left: 1px solid var(--border); }
.nav-user__name { font-weight: 700; font-size: .92rem; }
.inline-form { display: inline; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------ Toast flash */
.toast { margin-top: 16px; animation: toastIn .4s var(--ease) both; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ------------------------------------------------ Hero */
.hero { padding: clamp(56px, 9vw, 110px) 0 clamp(40px, 6vw, 80px); }
.hero__inner { text-align: center; max-width: 860px; margin-inline: auto; }
.hero__badge { margin-bottom: 22px; }
.hero__title { font-size: clamp(2.1rem, 5.5vw, 4rem); }
.grad { background: linear-gradient(120deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { margin: 22px auto 0; max-width: 640px; font-size: clamp(1rem, 2vw, 1.18rem); color: var(--text-muted); }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.hero__stats { display: flex; gap: clamp(20px, 5vw, 56px); justify-content: center; flex-wrap: wrap; margin-top: 52px; }
.hero__stats > div { display: flex; flex-direction: column; }
.hero__stats strong { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.3rem); color: var(--text); }
.hero__stats span { color: var(--text-dim); font-size: .9rem; }

/* ------------------------------------------------ Sections */
.section { padding: clamp(48px, 8vw, 88px) 0; }
.section--alt { background: linear-gradient(180deg, transparent, rgba(15, 28, 58, .35), transparent); }
.section__head { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.section__head h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
.section__head p { margin-top: 12px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.feature:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.feature__icon { font-size: 2rem; margin-bottom: 14px; }
.feature h3 { font-size: 1.2rem; margin-bottom: 8px; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { position: relative; padding: 28px 24px; border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); }
.step__num { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-family: var(--font-display); margin-bottom: 14px; }
.step h3 { font-size: 1.15rem; margin-bottom: 6px; }

.cta { text-align: center; padding: clamp(36px, 6vw, 60px); background: radial-gradient(80% 130% at 50% 0%, rgba(74,108,255,.22), transparent 70%), linear-gradient(180deg, var(--bg-elevated), var(--surface)); }
.cta h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
.cta p { margin: 12px 0 26px; }

/* ------------------------------------------------ Footer */
.site-footer { border-top: 1px solid var(--border); padding: 44px 0; margin-top: 40px; }
.site-footer__inner { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.brand--footer { margin-bottom: 6px; }
.small { font-size: .82rem; }

/* ------------------------------------------------ Responsive */
@media (max-width: 900px) {
    .features-grid, .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed; inset: var(--nav-h) 0 auto 0;
        flex-direction: column; align-items: stretch; gap: 4px;
        background: var(--bg-elevated); border-bottom: 1px solid var(--border);
        padding: 16px 22px 24px; transform: translateY(-120%);
        transition: transform .3s var(--ease); box-shadow: var(--shadow-lg);
    }
    .site-nav.is-open { transform: translateY(0); }
    .site-nav > a { padding: 12px 4px; border-bottom: 1px solid var(--border); }
    .nav-user { border-left: 0; padding-left: 0; justify-content: space-between; }
}
@media (max-width: 560px) {
    .features-grid, .steps-grid { grid-template-columns: 1fr; }
}