/* ───────────────────────────────────────────
   Layout — Navigation, Footer, Sections
   ─────────────────────────────────────────── */

/* ── Page Shell ── */
.public-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1250;
}

/* ════════════════════════════════════════════
   NAVIGATION
   Sticky, frosted-glass navbar with scroll state
   and animated mobile hamburger.
   ════════════════════════════════════════════ */
.top-nav {
    position: sticky;
    top: 0;
    z-index: 1200;
    padding: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(var(--glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm));
    transition:
        transform var(--motion-base) var(--ease-standard),
        background var(--motion-base) var(--ease-standard),
        box-shadow var(--motion-base) var(--ease-standard);
    transform: translateY(0);
    will-change: transform;
}

.top-nav.is-nav-hidden {
    transform: translateY(calc(-100% - 1px));
    pointer-events: none;
}

/* Compact when scrolled — controlled by JS */
.top-nav.is-scrolled {
    background: var(--color-surface);
    backdrop-filter: blur(var(--glass-blur-sm));
    -webkit-backdrop-filter: blur(var(--glass-blur-sm));
    box-shadow: var(--shadow-card-base);
}

.nav-shell {
    border-radius: 0;
    padding: 0.95rem clamp(1rem, 2.8vw, 2.5rem);
    display: grid;
    grid-template-columns: minmax(11rem, 1fr) auto minmax(11rem, 1fr);
    align-items: center;
    column-gap: clamp(1rem, 2vw, 2.5rem);
    width: 100%;
    max-width: none;
    /* Override glass-surface for solid navbar */
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition:
        padding var(--motion-base) var(--ease-standard);
}

.top-nav.is-scrolled .nav-shell {
    padding: 0.65rem clamp(1rem, 2.8vw, 2.5rem);
}

/* ── Logo ── */
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    justify-self: center;
    transition: opacity var(--motion-fast) var(--ease-standard);
}

.nav-logo:hover {
    opacity: 0.9;
}

.nav-logo img {
    height: 70px;
    width: auto;
}

.nav-logo-text {
    font-weight: 700;
    font-size: var(--text-2xl);
    letter-spacing: 0.03em;
    color: var(--color-logo);
    -webkit-text-fill-color: var(--color-logo);
}

/* ── Nav Menu (Desktop) ── */
.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    justify-self: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-pill);
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-logo-ink);
    position: relative;
    transition:
        background var(--motion-base) var(--ease-standard),
        color var(--motion-base) var(--ease-standard);
}

.nav-link:hover {
    background: var(--color-primary-glow);
    color: var(--color-logo-ink-hover);
}

.nav-link.is-active {
    color: var(--color-text);
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow-primary);
}

/* ── Nav Dropdown ── */
.nav-dropdown {
    position: relative;
}

.nav-dropdown__toggle {
    background: none;
    border: none;
    cursor: pointer;
    gap: 0.35rem;
    font-family: inherit;
}

.nav-dropdown__chevron {
    transition: transform var(--motion-fast) var(--ease-standard);
    flex-shrink: 0;
}

.nav-dropdown__toggle[aria-expanded="true"] .nav-dropdown__chevron {
    transform: rotate(180deg);
}

.nav-dropdown__menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 50%;
    transform: translateX(-50%);
    min-width: 230px;
    list-style: none;
    margin: 0;
    padding: 0.55rem;
    background: var(--glass-bg-strong);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    box-shadow: var(--shadow-card-strong);
    z-index: 100;
    animation: dropdown-fade-in 0.18s var(--ease-enter);
}

/* Pointer arrow at top of dropdown */
.nav-dropdown__menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: var(--glass-bg-strong);
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    border-radius: 2px 0 0 0;
}

.nav-dropdown__menu.is-open {
    display: block;
}

.nav-dropdown__link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.85rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-logo-ink);
    white-space: nowrap;
    border-radius: 8px;
    transition:
        background 0.15s ease,
        color 0.15s ease;
}

.nav-dropdown__link:hover {
    background: var(--color-primary-glow);
    color: var(--color-logo-ink-hover);
}

.nav-dropdown__divider {
    height: 1px;
    margin: 0.35rem 0.85rem;
    background: var(--color-border);
}

@keyframes dropdown-fade-in {
    from { opacity: 0; transform: translateX(-50%) translateY(-8px) scale(0.97); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

/* ── Nav Actions ── */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    justify-self: center;
    justify-content: center;
}

.nav-cta {
    white-space: nowrap;
    background: var(--color-primary-glow) !important;
    color: var(--color-logo-ink) !important;
    border: 1px solid var(--color-border-strong) !important;
    box-shadow: none !important;
    font-weight: 600;
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        transform var(--motion-fast) var(--ease-spring);
}

.nav-cta:hover {
    background: var(--gradient-primary) !important;
    color: var(--color-logo-ink-hover) !important;
    border-color: transparent !important;
    box-shadow: var(--shadow-glow-primary) !important;
    transform: translateY(-1px);
}

.nav-auth-link {
    font-size: var(--text-sm);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-pill);
    transition: background var(--motion-fast) var(--ease-standard);
    /* Hidden for now — will be re-enabled later */
    display: none !important;
}

.nav-auth-link:hover {
    background: var(--color-primary-glow);
}

.nav-logout-form {
    margin: 0;
}

/* ── Hamburger Button ── */
.nav-hamburger {
    display: none;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    position: relative;
    z-index: 1201;
    flex-direction: column;
    justify-content: center;
    transition: background var(--motion-fast) var(--ease-standard);
}

.nav-hamburger:hover {
    background: var(--color-primary-glow);
}

.nav-hamburger:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus);
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition:
        transform var(--motion-base) var(--ease-standard),
        opacity var(--motion-fast) var(--ease-standard);
}

.hamburger-line + .hamburger-line {
    margin-top: 5px;
}

/* Hamburger → X animation */
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
}
.nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ════════════════════════════════════════════
   CONTENT & SECTIONS
   ════════════════════════════════════════════ */
.content-main {
    flex: 1 0 auto;
    padding: 0 0 var(--space-10);
}

.page-hero {
    padding: var(--space-9) 0 var(--space-7);
}

.section-block {
    padding: var(--space-9) 0;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

/* Decorative bar before kicker */
.section-kicker::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-head {
    max-width: 58ch;
    margin-bottom: var(--space-7);
}

.section-head h2 {
    font-size: clamp(1.8rem, 3.5vw, var(--text-4xl));
    margin-bottom: var(--space-3);
}

.section-head p {
    color: var(--color-text-soft);
    font-size: var(--text-lg);
    max-width: 50ch;
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, var(--text-5xl));
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: start;
}

.card-grid {
    display: grid;
    gap: var(--space-5);
}

.card-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.media-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 4px);
}

.pricing-card ul {
    margin: var(--space-4) 0;
    padding-left: 1.1rem;
    color: var(--color-text-soft);
}

.pricing-highlight {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glass), 0 0 0 1px var(--color-primary);
}

.plan-name {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
}

.plan-price {
    font-size: 1.4rem;
    font-weight: 700;
    margin-top: 0.4rem;
}

.faq-teaser p,
.use-case p,
.team-card p,
.legal-card p {
    color: var(--color-text-soft);
}

.legal-card h1 {
    margin-bottom: var(--space-4);
    font-size: clamp(1.6rem, 2.7vw, 2.4rem);
}

.legal-card h2 {
    margin-top: var(--space-5);
    margin-bottom: var(--space-3);
}

/* ── Scroll Reveal System ──
   Controlled by IntersectionObserver in main.js.
   Elements start hidden, transition in when .is-visible is added.
   Uses only opacity to avoid CLS (no translateY). */
.reveal {
    opacity: 0;
    transition:
        opacity var(--motion-slower) var(--ease-enter);
}

.reveal.is-visible {
    opacity: 1;
}

/* Stagger delays for child elements */
.reveal.reveal-delay-1 { transition-delay: 100ms; }
.reveal.reveal-delay-2 { transition-delay: 200ms; }
.reveal.reveal-delay-3 { transition-delay: 300ms; }
.reveal.reveal-delay-4 { transition-delay: 400ms; }

/* Interactive card hover states */
.faq-teaser,
.use-case,
.team-card {
    transition:
        transform var(--motion-fast) var(--ease-spring),
        box-shadow var(--motion-base) var(--ease-standard);
}

.faq-teaser:hover,
.use-case:hover,
.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glass-hover);
}

/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.footer {
    margin-top: auto;
    background: var(--gradient-surface);
    border-top: 1px solid var(--color-border);
}

.footer-shell {
    padding: var(--space-10) 0 var(--space-7);
    color: var(--color-text);
    display: grid;
    gap: var(--space-8);
}

.footer-pitch h2 {
    margin: var(--space-3) 0 var(--space-5);
    font-size: clamp(1.5rem, 3vw, var(--text-3xl));
    max-width: 26ch;
    color: var(--color-text);
}

.footer-pitch p {
    color: var(--color-text-soft);
    margin-bottom: var(--space-5);
}

.footer-kicker {
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary-hover);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
}

.footer-links h3 {
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.footer-links a {
    display: block;
    color: var(--color-text-soft);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    transition: color var(--motion-fast) var(--ease-standard);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.social-links {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

.social-links a {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-soft);
    transition:
        background var(--motion-fast) var(--ease-standard),
        color var(--motion-fast) var(--ease-standard),
        border-color var(--motion-fast) var(--ease-standard);
}

.social-links a:hover {
    background: var(--color-primary-glow);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}

/* ── Public Pages Typography ── */
.content-main p { color: var(--color-text-soft); }
.content-main h1,
.content-main h2,
.content-main h3 { color: var(--color-text); }
.content-main ul { margin: 0.6rem 0 0; padding-left: 1.1rem; }
.content-main li { margin-bottom: 0.3rem; }

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */

/* ── Tablet / Medium ── */
@media (max-width: 900px) {
    .nav-hamburger {
        display: flex;
        margin-left: auto;
    }

    .nav-menu,
    .nav-actions {
        display: flex;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
        transition:
            max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.25s ease,
            padding 0.3s ease,
            margin 0.3s ease;
    }

    .nav-menu.is-open,
    .nav-actions.is-open {
        max-height: 500px;
        opacity: 1;
        overflow: visible;
        pointer-events: auto;
        transition:
            max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.3s ease 0.05s,
            padding 0.3s ease,
            margin 0.3s ease;
    }

    .nav-shell {
        display: flex;
        flex-wrap: wrap;
        border-radius: var(--radius-lg);
        padding: 0.6rem 0.8rem;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        justify-content: flex-start;
        justify-self: start;
        gap: 0.25rem 0.5rem;
        padding-top: 0;
        border-top: 1px solid transparent;
        margin-top: 0;
    }

    .nav-menu.is-open {
        padding-top: var(--space-3);
        border-top-color: var(--glass-border);
        margin-top: var(--space-3);
    }

    .nav-menu .nav-link {
        justify-content: flex-start;
        padding: 0.5rem 0.75rem;
        border-radius: var(--radius-md);
        white-space: nowrap;
    }

    /* Dropdown on mobile — inline, expands below toggle */
    .nav-dropdown {
        position: relative;
    }

    .nav-dropdown__menu {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        transform: translateY(-6px);
        min-width: 200px;
        width: max-content;
        background: var(--color-surface, #fff);
        border: 1px solid var(--color-border, #e0dcd7);
        border-radius: var(--radius-md);
        box-shadow: 0 8px 24px rgba(0,0,0,0.10);
        padding: 0.5rem 0;
        z-index: 200;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        animation: none;
        transition:
            opacity 0.2s ease,
            transform 0.2s ease,
            visibility 0s linear 0.2s;
    }

    .nav-dropdown__menu::before {
        display: none;
    }

    .nav-dropdown__menu.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
        transition:
            opacity 0.2s ease,
            transform 0.2s ease,
            visibility 0s linear 0s;
    }

    .nav-dropdown__link {
        padding: 0.45rem 1rem 0.45rem 1.5rem;
        border-radius: var(--radius-md);
        font-size: var(--text-sm, 0.875rem);
    }

    .nav-dropdown__divider {
        margin: 0.2rem 1.5rem;
    }

    .nav-actions {
        order: 4;
        width: auto;
        margin-left: auto;
        flex-direction: row;
        padding-top: 0;
        padding-bottom: 0;
    }

    .nav-actions.is-open {
        padding: var(--space-2) 0;
    }

    .nav-actions.is-open .nav-cta {
        width: auto;
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
    }

    .split-grid,
    .card-grid-2,
    .card-grid-3 {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-3);
    }

    .footer-shell {
        padding: var(--space-8) 0 var(--space-6);
        gap: var(--space-6);
    }

    .footer-pitch h2 {
        font-size: clamp(1.3rem, 4vw, var(--text-2xl));
        max-width: none;
    }

    .footer-pitch {
        text-align: left;
    }

    .footer-pitch .btn {
        width: 100%;
        justify-content: center;
    }

    .social-links a {
        width: 2rem;
        height: 2rem;
    }
}

@keyframes menu-slide-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Mobile / Small ── */
@media (max-width: 640px) {
    .top-nav {
        padding: 0.5rem 0;
    }

    .footer-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-4);
        text-align: left;
    }

    .footer-links h3 {
        margin-bottom: var(--space-2);
        font-size: var(--text-xs);
    }

    .footer-links a {
        font-size: var(--text-xs);
        margin-bottom: var(--space-1);
    }

    .footer-shell {
        padding: var(--space-6) 0 var(--space-5);
        gap: var(--space-5);
    }

    .footer-pitch h2 {
        font-size: clamp(1.15rem, 5vw, var(--text-xl));
        margin: var(--space-2) 0 var(--space-3);
    }

    .footer-pitch p {
        font-size: var(--text-sm);
        margin-bottom: var(--space-3);
    }

    .footer-bottom {
        padding-top: var(--space-3);
    }

    .footer-bottom p {
        font-size: var(--text-xs);
    }

    .social-links {
        gap: 0.5rem;
    }

    .social-links a {
        width: 1.85rem;
        height: 1.85rem;
    }
}

/* Simple Theme Overrides (flat / clean) */
.top-nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.top-nav.is-scrolled {
    background: var(--color-surface);
    box-shadow: var(--shadow-card-base);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.nav-link:hover {
    background: var(--color-primary-glow);
    color: var(--color-logo-ink-hover);
}

.nav-link.is-active {
    box-shadow: var(--shadow-card-base);
}

.nav-dropdown__menu {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card-strong);
}

.nav-dropdown__menu::before {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
}

.nav-cta {
    background: var(--color-surface) !important;
    box-shadow: none !important;
}

.nav-cta:hover {
    box-shadow: var(--shadow-card-base) !important;
}

.footer {
    background: var(--gradient-surface);
    border-top: 1px solid var(--color-border);
}

.footer-shell {
    gap: var(--space-7);
}

@media (max-width: 900px) {
    .nav-menu.is-open {
        border-top: 1px solid var(--color-border);
    }
}