/* ═══════════════════════════════════════════════
   COMPONENTS.CSS — Maru Health
   ═══════════════════════════════════════════════ */

/* ── Logo image ── */
.site-logo {
    display: block;
    height: auto;
}

/* Full logo with black bg — multiply blends black away on white */
.logo-blend {
    display: block;
    mix-blend-mode: multiply;
    height: auto;
    max-width: 100%;
}

/* Nav logo — fixed height, square crop shows icon + wordmark */
.nav-logo-img {
    width: auto;
    height: 64px;
    object-fit: contain;
    object-position: center;
}

/* Hero logo — large, centred */
.hero-logo {
    margin-inline: auto;
    max-width: 300px;
    width: 100%;
}

/* ── Site Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding-block: var(--space-2);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: background 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.97);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-md);
}

/* ── Primary Nav ── */
.nav-primary {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.nav-logo img {
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    margin-left: auto;
}

.nav-links a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-color);
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--color-text);
    background: var(--color-bg-tertiary);
}

.nav-links a[aria-current="page"] {
    color: var(--color-gradient-start);
    background: var(--color-bg-secondary);
}

.nav-cta {
    margin-left: var(--space-4);
    flex-shrink: 0;
}

/* ── Hamburger Toggle ── */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    margin-left: auto;
    cursor: pointer;
    transition: var(--transition-base);
}

.nav-toggle:hover {
    background: var(--color-bg-tertiary);
}

.hamburger-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ── Mobile Nav ── */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        bottom: 0;
        width: min(320px, 85vw);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
        padding: var(--space-20) var(--space-6) var(--space-6);
        background: var(--color-bg);
        border-left: 1px solid var(--color-border);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-nav);
        overflow-y: auto;
        margin-left: 0;
        transition: right 200ms ease;
    }

    .nav-links.is-open {
        right: 0;
    }

    .nav-links a {
        font-size: var(--font-size-base);
        width: 100%;
        padding: var(--space-3) var(--space-4);
    }

    .nav-cta {
        display: none;
    }

    .nav-primary {
        padding-inline: var(--space-4);
    }
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-family-base);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: all 150ms ease;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-gradient-start);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #ffffff;
    border-color: transparent;
}

.btn-primary:hover,
.btn-primary:focus-visible {
    filter: brightness(1.08);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    filter: brightness(0.95);
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-gradient-start);
    color: var(--color-gradient-start);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    background: var(--color-bg-tertiary);
    box-shadow: 0 0 0 1px var(--color-gradient-start);
}

.btn-ghost {
    background: var(--color-bg-secondary);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-light);
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ── Skip Link ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-2) var(--space-4);
    background: var(--color-gradient-start);
    color: #fff;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    z-index: calc(var(--z-nav) + 1);
    text-decoration: none;
    transition: top 150ms ease;
}

.skip-link:focus {
    top: var(--space-4);
}

/* ── Capability Cards ── */
.capability-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    transition: all 150ms ease;
    cursor: default;
}

.capability-card:hover {
    transform: translateY(-4px);
    border-color: rgba(30, 144, 255, 0.35);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.capability-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.capability-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-snug);
    color: var(--color-text);
}

.capability-card__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    flex: 1;
}

.capability-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gradient-start);
    margin-top: auto;
    transition: var(--transition-base);
}

.capability-card__link:hover {
    gap: var(--space-2);
    color: var(--color-gradient-end);
}

.capability-card__link:focus-visible {
    outline: 2px solid var(--color-gradient-start);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ── Hero ── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    padding-top: calc(var(--space-32) + 64px);
    padding-bottom: var(--space-24);
    padding-inline: var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Subtle blue accent circles in hero */
.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.10) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 207, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, var(--font-size-6xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.hero-sub {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 600px;
    line-height: var(--line-height-relaxed);
}

.hero-ctas {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
    margin-top: var(--space-2);
}

/* ── Site Footer ── */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-16);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr auto;
    gap: var(--space-12);
    align-items: start;
    padding-bottom: var(--space-12);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

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

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: var(--transition-color);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-contact p {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
}

.footer-contact a {
    font-size: var(--font-size-sm);
    color: var(--color-gradient-start);
    transition: var(--transition-color);
}

.footer-contact a:hover {
    color: var(--color-gradient-end);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.footer-social a:hover {
    color: var(--color-gradient-start);
    background: var(--color-bg-tertiary);
    border-color: rgba(30, 144, 255, 0.4);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-6);
    text-align: center;
}

.footer-legal {
    font-size: var(--font-size-xs);
    color: var(--color-text-dim);
}

@media (max-width: 1023px) {
    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 767px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    .footer-social {
        justify-content: flex-start;
    }
}

/* ── Contact Form ── */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-group label .required-mark {
    color: var(--color-error);
    margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    transition: border-color 150ms ease, box-shadow 150ms ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-dim);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group select option {
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-gradient-start);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.12);
}

.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.10);
}

.field-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    min-height: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ── Success / Alert Notices ── */
.notice {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.notice--success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--color-success);
}

.notice--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-error);
}

/* ── Feature Section (Capabilities page) ── */
.feature-section {
    padding-block: var(--space-16);
    border-bottom: 1px solid var(--color-border);
}

.feature-section:last-child {
    border-bottom: none;
}

.feature-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.feature-section__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.feature-section__content h2 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
}

.feature-section__content p {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.feature-section__content ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-section__content li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.feature-section__content li::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gradient-brand);
    margin-top: 0.5em;
    flex-shrink: 0;
}

.feature-section__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
}

@media (max-width: 1023px) {
    .feature-section__inner {
        grid-template-columns: 1fr;
    }
    .feature-section__visual {
        min-height: 160px;
    }
}

/* ── Anchor Nav (Capabilities) ── */
.anchor-nav {
    position: sticky;
    top: 64px;
    z-index: var(--z-raised);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    padding-block: var(--space-3);
    overflow-x: auto;
    scrollbar-width: thin;
}

.anchor-nav-list {
    display: flex;
    gap: var(--space-1);
    list-style: none;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: var(--space-6);
    white-space: nowrap;
}

.anchor-nav-list a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: var(--transition-color);
}

.anchor-nav-list a:hover,
.anchor-nav-list a:focus-visible {
    color: var(--color-gradient-start);
    background: var(--color-bg-secondary);
}

/* ── Solution Section ── */
.solution-section {
    padding-block: var(--space-24);
    background: var(--color-bg);
}

.solution-section--alt {
    background: var(--color-bg-secondary);
}

.solution-section--accent {
    background: linear-gradient(135deg, #eaf4ff 0%, #f0f9ff 100%);
}

.solution-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 1023px) {
    .solution-section__inner {
        grid-template-columns: 1fr;
    }
}

/* ── Page Hero (inner pages) ── */
.page-hero {
    padding-top: calc(var(--space-20) + 64px);
    padding-bottom: var(--space-16);
    background: var(--gradient-hero);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.page-hero h1 {
    font-size: clamp(1.75rem, 4vw, var(--font-size-5xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.page-hero p {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    max-width: 620px;
    margin-inline: auto;
    line-height: var(--line-height-relaxed);
}

/* ── Badge ── */
.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.badge--brand {
    background: var(--color-bg-tertiary);
    color: var(--color-gradient-start);
    border: 1px solid rgba(30, 144, 255, 0.25);
}

/* ── Icon Badge ── */
.icon-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 96px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
}

/* ── Value List ── */
.value-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.value-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.value-list li::before {
    content: '';
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gradient-brand);
    margin-top: 0.55em;
    flex-shrink: 0;
}

/* ── CTA Section ── */
.cta-section {
    padding-block: var(--space-24);
    text-align: center;
    background: linear-gradient(160deg, #eaf4ff 0%, #f0f9ff 100%);
    border-top: 1px solid var(--color-border);
}

.cta-section h2 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.cta-section p {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    max-width: 540px;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

/* ── Responsive ── */
@media (max-width: 767px) {
    .hero {
        padding-inline: var(--space-4);
        padding-bottom: var(--space-16);
    }
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    .feature-section {
        padding-block: var(--space-12);
    }
}