/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-family: var(--font-body);
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    text-align: center;
    cursor: pointer;
    border-radius: var(--border-radius-pill);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    line-height: var(--leading-normal);
    text-decoration: none;
}

.btn-primary-cta {
    background: linear-gradient(145deg, #D4A870 0%, #C89B5E 50%, #B8844A 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 18px rgba(200,155,94,0.35), inset 0 1px 0 rgba(255,255,255,0.18);
}

.btn-primary-cta:hover {
    background: linear-gradient(145deg, #C89B5E 0%, #B8844A 60%, #A8763C 100%);
    border-color: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(200,155,94,0.40), inset 0 1px 0 rgba(255,255,255,0.14);
}

.btn-secondary-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-primary);
    border-radius: 0;
    padding: 0.25rem 0;
}

.btn-ghost:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Cards */
.card-organic {
    background: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--card-padding);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-normal);
    height: 100%;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-organic:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

/* Trust Banner */
.trust-banner {
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-accent-gold);
    border-bottom: 1px solid var(--color-accent-gold);
    padding: 1rem 0;
    overflow: hidden;
    position: relative;
    white-space: nowrap;
}

.trust-banner-item {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary-dark);
    font-family: var(--font-body);
    font-weight: var(--font-medium);
    padding: 0 2rem;
}

.trust-banner-item::after {
    content: "•";
    color: var(--color-accent-gold);
    margin-left: 4rem;
}

/* CTA Banner / Warm Section */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg-cream));
    border-radius: var(--border-radius-lg);
    padding: 4rem;
    box-shadow: var(--shadow-medium);
    text-align: center;
}

/* FAQ Accordion */
.accordion-item {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius) !important;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.accordion-button {
    background-color: var(--color-bg-white);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
    padding: 1.5rem;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    background-color: var(--color-bg-soft);
    color: var(--color-primary);
}

.accordion-body {
    padding: 1.5rem;
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    background-color: var(--color-bg-white);
}

/* Lead Form */
.form-control,
.form-select {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-body);
    transition: all var(--transition-normal);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(74, 124, 89, 0.1);
    outline: none;
}

.form-floating>label {
    color: var(--color-text-light);
    padding-left: 1.25rem;
}

/* Badges / Tags */
.badge-gold {
    background-color: rgba(212, 168, 67, 0.1);
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    font-weight: var(--font-medium);
    font-size: var(--text-sm);
    display: inline-block;
}

/* Section Dividers */
.section-divider-leaf {
    width: 100%;
    height: 48px;
    /* simple organic SVG placeholder divider */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 48'%3E%3Cpath fill='%234A7C59' opacity='0.15' d='M0,24 C250,96 750,-48 1000,24 L1000,48 L0,48 Z'/%3E%3C/svg%3E");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    margin: 3rem 0;
}

/* Stats Counter Circles */
.stat-circle {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--color-bg-white);
    border: 2px dashed var(--color-primary-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-soft);
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.breadcrumb-item a {
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

.breadcrumb-item.active {
    color: var(--color-text-light);
}

/* Multi-Step Form */
.form-steps {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 0;
}

.form-step-indicator {
    display: flex;
    align-items: center;
}

.form-step-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-bg-soft);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    color: var(--color-text-light);
    transition: all var(--transition-normal);
}

.form-step-dot.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
}

.form-step-dot.completed {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-bg-white);
}

.form-step-line {
    width: 48px;
    height: 2px;
    background: var(--color-border);
    transition: background var(--transition-normal);
}

.form-step-line.completed {
    background: var(--color-primary-light);
}

.form-panel {
    display: none;
}

.form-panel.active {
    display: block;
    animation: fadeIn 0.4s ease-in-out;
}

/* Stepper (Device page, How It Works) */
.stepper {
    position: relative;
    padding-left: 3rem;
}

.stepper::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-primary-light);
}

.stepper-item {
    position: relative;
    padding-bottom: 2rem;
    padding-left: 1.5rem;
}

.stepper-item::before {
    content: attr(data-step);
    position: absolute;
    left: -2.35rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
}

/* Flip Cards (Calcified Coronary tools) */
.flip-card {
    perspective: 1000px;
    height: 220px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--card-padding);
    text-align: center;
}

.flip-card-front {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.flip-card-back {
    background: var(--color-primary);
    color: var(--color-text-on-dark);
    transform: rotateY(180deg);
}

/* Brand signature image in navbar */
.brand-signature {
    height: 104px;
    width: auto;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-name {
    white-space: nowrap;
}

.desktop-nav .nav-link {
    white-space: nowrap;
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .brand-logo {
        margin-right: 1.25rem !important;
    }
    .brand-signature {
        height: 56px;
    }
    .brand-name {
        font-size: 1.05rem !important;
    }
    .desktop-nav {
        column-gap: 1.1rem !important;
    }
    .desktop-nav .nav-link {
        font-size: 0.92rem;
    }
    .btn-primary-cta {
        padding: 0.5rem 1rem;
        font-size: 0.88rem;
    }
}

@media (max-width: 991.98px) {
    .brand-signature {
        height: 52px;
    }
    .brand-logo {
        margin-right: 0 !important;
    }
    .brand-name {
        font-size: 1rem !important;
    }
}

@media (max-width: 575.98px) {
    .brand-signature {
        height: 40px;
    }
    .brand-name {
        font-size: 0.92rem !important;
        letter-spacing: 0.005em;
    }
}

@media (max-width: 419.98px) {
    .brand-name {
        font-size: 0.82rem !important;
    }
    .brand-signature {
        height: 34px;
    }
}

@media (max-width: 359.98px) {
    .brand-name {
        font-size: 0.74rem !important;
    }
    .brand-signature {
        height: 30px;
    }
}

/* On dark-hero pages (transparent nav), invert signature to white */
.site-header.nav-on-dark:not(.scrolled) .brand-signature {
    filter: invert(1) brightness(1.8);
}

/* Navbar / Site Header */
.site-header {
    background-color: transparent;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal);
}

/* Nav links white only on pages with dark hero sections */
.site-header.nav-on-dark:not(.scrolled) .desktop-nav .nav-link,
.site-header.nav-on-dark:not(.scrolled) .brand-name {
    color: #FFFFFF !important;
}

.site-header.nav-on-dark:not(.scrolled) .mobile-toggle svg {
    stroke: #FFFFFF;
}

.site-header.scrolled {
    background-color: rgba(250, 247, 242, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-soft);
}

/* Nav links always dark when scrolled (all pages) */
.site-header.scrolled .desktop-nav .nav-link,
.site-header.scrolled .brand-name {
    color: var(--color-primary-dark) !important;
}

.site-header.scrolled .mobile-toggle svg {
    stroke: var(--color-primary-dark);
}

.desktop-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    left: 0;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform var(--transition-normal) ease-out;
}

.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.nav-dropdown:hover .dropdown-menu-custom {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(10px);
}

.dropdown-menu-custom {
    top: 100%;
    left: -16px;
    min-width: 280px;
    transform: translateY(20px);
}