/* ============================================
   OrthoAlign Rehab — Component Styles
   Reusable UI Components
   ============================================ */

/* ----------------------------------------
   BUTTONS
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    letter-spacing: var(--tracking-wide);
    -webkit-tap-highlight-color: transparent;
}

.btn:focus-visible {
    outline: 3px solid var(--color-blue);
    outline-offset: 3px;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Primary Button */
.btn--primary {
    background: var(--gradient-brand);
    color: var(--color-white);
    box-shadow: var(--shadow-blue);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--primary:hover {
    box-shadow: var(--shadow-blue-lg);
    transform: translateY(-2px);
    color: var(--color-white);
}

.btn--primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Secondary Button */
.btn--secondary {
    background: var(--color-white);
    color: var(--color-navy);
    border: 2px solid var(--color-gray-200);
    padding: calc(var(--space-4) - 2px) calc(var(--space-8) - 2px);
    font-size: var(--text-base);
}

.btn--secondary:hover {
    border-color: var(--color-blue);
    color: var(--color-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Ghost Button */
.btn--ghost {
    background: transparent;
    color: var(--color-blue);
    padding: var(--space-3) var(--space-4);
}

.btn--ghost:hover {
    background: var(--color-cyan-light);
    color: var(--color-blue-dark);
}

/* WhatsApp Button */
.btn--whatsapp {
    background: #25D366;
    color: var(--color-white);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn--whatsapp:hover {
    background: #20BD5A;
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
    color: var(--color-white);
}

/* Outline Button (for dark backgrounds) */
.btn--outline-white {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
    padding: calc(var(--space-4) - 2px) calc(var(--space-8) - 2px);
    font-size: var(--text-base);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Small Button */
.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    border-radius: var(--radius-md);
}

/* Large Button */
.btn--lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    border-radius: var(--radius-xl);
}

/* Full Width */
.btn--full {
    width: 100%;
}

/* Loading State */
.btn.is-loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.is-loading .btn-text {
    visibility: hidden;
}

.btn.is-loading .spinner {
    position: absolute;
}

/* ----------------------------------------
   CARDS
   ---------------------------------------- */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-gray-200);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

/* Card with glass effect */
.card--glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* Card icon container */
.card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--color-cyan);
    color: var(--color-blue);
    margin-bottom: var(--space-4);
    transition: background var(--transition-base),
                color var(--transition-base);
}

.card:hover .card__icon {
    background: var(--gradient-brand);
    color: var(--color-white);
}

.card__icon svg {
    width: 28px;
    height: 28px;
}

.card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-2);
}

.card__text {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

/* ----------------------------------------
   CONDITION CARDS
   ---------------------------------------- */
.condition-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    cursor: default;
}

.condition-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-blue);
}

.condition-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2xl);
    background: var(--color-cyan);
    color: var(--color-blue);
    margin: 0 auto var(--space-4);
    font-size: 28px;
    transition: all var(--transition-base);
}

.condition-card:hover .condition-card__icon {
    background: var(--gradient-brand-light);
    color: var(--color-white);
    transform: scale(1.05);
}

.condition-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
}

/* ----------------------------------------
   PRICING CARD (Assessment)
   ---------------------------------------- */
.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    text-align: center;
    border: 2px solid var(--color-blue);
    position: relative;
    max-width: 520px;
    margin: 0 auto;
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-brand-light);
    color: var(--color-white);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    white-space: nowrap;
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin: var(--space-6) 0 var(--space-2);
}

.pricing-card__currency {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
}

.pricing-card__amount {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--weight-extrabold);
    color: var(--color-navy);
    line-height: 1;
}

.pricing-card__label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-8);
}

.pricing-card__features {
    text-align: left;
    margin-bottom: var(--space-8);
}

.pricing-card__feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: var(--text-base);
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-100);
}

.pricing-card__feature:last-child {
    border-bottom: none;
}

.pricing-card__check {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-success-light);
    color: var(--color-success);
    flex-shrink: 0;
}

.pricing-card__check svg {
    width: 14px;
    height: 14px;
}

.pricing-card__trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-gray-100);
}

.pricing-card__trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

.pricing-card__trust-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-success);
}

/* ----------------------------------------
   PROGRAM CARDS
   ---------------------------------------- */
.program-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-blue);
}

.program-card__duration {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    background: var(--color-cyan);
    color: var(--color-blue);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
    letter-spacing: var(--tracking-wide);
}

.program-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-3);
}

.program-card__features {
    margin-bottom: var(--space-4);
}

.program-card__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.program-card__feature svg {
    width: 16px;
    height: 16px;
    color: var(--color-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.program-card__notice {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-cyan-light);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    color: var(--color-blue);
    font-weight: var(--weight-medium);
}

.program-card__notice svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* ----------------------------------------
   TESTIMONIAL CARDS
   ---------------------------------------- */
.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-card__stars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-4);
}

.testimonial-card__star {
    color: var(--color-warning);
    width: 18px;
    height: 18px;
}

.testimonial-card__quote {
    font-size: var(--text-base);
    color: var(--color-gray-700);
    line-height: var(--leading-relaxed);
    flex: 1;
    margin-bottom: var(--space-4);
    font-style: italic;
    position: relative;
}

.testimonial-card__improvement {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    background: var(--color-success-light);
    color: var(--color-success);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
}

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-base);
    flex-shrink: 0;
}

.testimonial-card__name {
    font-family: var(--font-heading);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    font-size: var(--text-sm);
}

.testimonial-card__condition {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

/* ----------------------------------------
   BADGES
   ---------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wide);
    white-space: nowrap;
}

.badge--blue {
    background: var(--color-cyan);
    color: var(--color-blue);
}

.badge--navy {
    background: var(--color-navy);
    color: var(--color-white);
}

.badge--success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge--white {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.badge svg {
    width: 14px;
    height: 14px;
}

/* ----------------------------------------
   SECTION HEADER
   ---------------------------------------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
    max-width: 700px;
    margin-inline: auto;
}

.section-header__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    color: var(--color-blue);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    margin-bottom: var(--space-4);
}

.section-header__eyebrow::before,
.section-header__eyebrow::after {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--color-blue);
    border-radius: var(--radius-pill);
}

.section-header__title {
    margin-bottom: var(--space-4);
}

.section-header__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
    line-height: var(--leading-relaxed);
    margin-inline: auto;
}

/* Section header for dark backgrounds */
.section--navy .section-header__eyebrow {
    color: var(--color-sky);
}

.section--navy .section-header__eyebrow::before,
.section--navy .section-header__eyebrow::after {
    background: var(--color-sky);
}

/* ----------------------------------------
   FORMS
   ---------------------------------------- */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 4px rgba(24, 99, 220, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
    display: none;
}

.form-group.has-error .form-input,
.form-group.has-error .form-textarea {
    border-color: var(--color-error);
}

.form-group.has-error .form-error {
    display: block;
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    margin-top: var(--space-1);
}

/* ----------------------------------------
   MODAL
   ---------------------------------------- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(11, 31, 58, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    z-index: var(--z-modal);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-gray-100);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-navy);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-2);
    padding-right: var(--space-10);
}

.modal-subtitle {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-6);
}

/* ----------------------------------------
   ACCORDION (FAQ)
   ---------------------------------------- */
.accordion-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.accordion-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    font-family: var(--font-heading);
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
    background: none;
    border: none;
}

.accordion-trigger:hover {
    color: var(--color-blue);
}

.accordion-content {
    padding: 0 0 var(--space-5);
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

/* ----------------------------------------
   TRUST STRIP
   ---------------------------------------- */
.trust-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-navy);
    white-space: nowrap;
    transition: all var(--transition-base);
}

.trust-chip:hover {
    border-color: var(--color-blue);
    box-shadow: var(--shadow-sm);
}

.trust-chip svg {
    width: 16px;
    height: 16px;
    color: var(--color-blue);
}

/* ----------------------------------------
   STAT COUNTERS
   ---------------------------------------- */
.stat {
    text-align: center;
}

.stat__value {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--weight-extrabold);
    color: var(--color-blue);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.stat__label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    font-weight: var(--weight-medium);
}

/* ----------------------------------------
   SOCIAL CARDS
   ---------------------------------------- */
.social-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.social-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.social-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.social-card__icon--youtube {
    background: #FEE2E2;
    color: #DC2626;
}

.social-card__icon--instagram {
    background: linear-gradient(135deg, #FDE68A 0%, #FCA5A5 50%, #C4B5FD 100%);
    color: var(--color-white);
}

.social-card__icon svg {
    width: 28px;
    height: 28px;
}

.social-card__info {
    flex: 1;
    min-width: 0;
}

.social-card__handle {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--color-navy);
    margin-bottom: var(--space-1);
}

.social-card__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ----------------------------------------
   BACK TO TOP
   ---------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-navy);
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    cursor: pointer;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-blue);
    transform: translateY(-3px);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ----------------------------------------
   FORM SUCCESS / ERROR MESSAGES
   ---------------------------------------- */
.form-message {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    display: none;
    margin-top: var(--space-4);
}

.form-message--success {
    background: var(--color-success-light);
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-message--error {
    background: var(--color-error-light);
    color: #991B1B;
    border: 1px solid #FECACA;
}

.form-message.is-visible {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}