/* ========================================
   Professor Saúde - Custom Styles
   Premium, Clean, Health/Science Aesthetic
   Primary Color: Blue
======================================== */

/* ===== ROOT VARIABLES ===== */
:root {
    /* Primary Blue Palette */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-padding: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== NAVIGATION ===== */
.navbar {
    padding: 16px 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    z-index: 1050;
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(255, 255, 255, 1);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.brand-text {
    color: var(--gray-800);
}

.brand-highlight {
    color: var(--primary-600);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 8px;
}

.nav-list li a {
    display: block;
    padding: 8px 16px;
    color: var(--gray-600);
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-list li a:hover,
.nav-list li a.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: white;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        gap: 16px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    
    .nav-list li a {
        padding: 12px 16px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .language-selector {
        width: 100%;
    }
    
    .language-selector .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Desktop: Force show menu */
@media (min-width: 992px) {
    .nav-menu {
        display: flex !important;
    }
    
    .nav-toggle {
        display: none !important;
    }
}

.brand-text {
    color: var(--gray-800);
}

.brand-highlight {
    color: var(--primary-600);
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600) !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600) !important;
    background: var(--primary-50);
}

.language-selector .btn {
    font-size: 0.875rem;
    padding: 8px 16px;
    border-radius: var(--radius-full);
}

.language-selector .dropdown-menu {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
}

.language-selector .dropdown-item {
    border-radius: var(--radius-sm);
    padding: 8px 12px;
}

.language-selector .dropdown-item:hover {
    background: var(--primary-50);
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
    border: 2px solid var(--primary-600);
    color: var(--primary-600);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.btn-success {
    background: #25d366;
    border-color: #25d366;
}

.btn-success:hover {
    background: #1fb855;
    border-color: #1fb855;
    transform: translateY(-2px);
}

.btn-light {
    background: white;
    color: var(--primary-700);
    border: none;
}

.btn-light:hover {
    background: var(--primary-50);
    color: var(--primary-800);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-50) 0%, white 50%, var(--gray-50) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-700);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title span {
    display: block;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 540px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.hero-image-col {
    position: relative;
    z-index: 2;
}

.hero-image-wrapper {
    position: relative;
    padding: 40px;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.floating-card {
    position: absolute;
    background: white;
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.25rem;
    color: var(--primary-600);
}

.floating-card.card-1 {
    top: 20%;
    right: 0;
    animation-delay: 0s;
}

.floating-card.card-2 {
    bottom: 20%;
    left: 0;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
}

/* ===== SECTION STYLES ===== */
section {
    padding: var(--section-padding) 0;
}

.section-badge {
    display: inline-block;
    background: var(--primary-100);
    color: var(--primary-700);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section-text {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* ===== WHY FAIL SECTION ===== */
.why-fail-section {
    background: var(--gray-50);
}

.fail-card {
    background: white;
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    height: 100%;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.fail-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.fail-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.fail-icon i {
    font-size: 1.75rem;
    color: var(--primary-600);
}

.fail-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.fail-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== METHOD SECTION ===== */
.method-image-wrapper {
    position: relative;
    padding: 20px;
}

.method-image {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.method-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--gray-700);
}

.feature-item i {
    color: var(--success);
    font-size: 1.25rem;
}

/* ===== BIO SECTION ===== */
.bio-section {
    background: var(--gray-50);
}

.bio-image-wrapper {
    position: relative;
    padding: 20px;
}

.bio-image {
    width: 100%;
    max-width: 450px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.bio-role {
    font-size: 1.125rem;
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: 20px;
}

.bio-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.team-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    margin-bottom: 8px;
}

.team-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-100);
    color: var(--primary-700);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.team-badge i {
    font-size: 1rem;
}

.social-link {
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-link i {
    font-size: 1.25rem;
    color: var(--primary-600);
}

.social-link:hover {
    background: var(--primary-600);
}

.social-link:hover i {
    color: white;
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background: white;
}

.service-card {
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius-lg);
    height: 100%;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.service-card:hover {
    background: white;
    border-color: var(--primary-200);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-icon i {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.service-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-link {
    font-weight: 600;
    color: var(--primary-600);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-link:hover {
    color: var(--primary-700);
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(4px);
}

/* ===== RESULTS SECTION ===== */
.results-section {
    background: white;
}

.results-image-wrapper {
    padding: 20px;
}

.results-image {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.results-pillars {
    margin-top: 32px;
}

.pillar-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.pillar-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.pillar-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-200);
    min-width: 48px;
}

.pillar-content h4 {
    font-size: 1.1rem;
    margin-bottom: 6px;
}

.pillar-content p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
}

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
}

.cta-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 48px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: white;
    margin-bottom: 12px;
}

.cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
    margin: 0;
}

.cta-btn {
    white-space: nowrap;
    margin-top: 16px;
}

/* ===== CONTACT FORM SECTION ===== */
.contact-form-section {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.contact-card {
    background: white;
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-title {
    font-size: 1.75rem;
    margin-bottom: 8px;
    text-align: center;
}

.contact-subtitle {
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 32px;
}

.contact-form .form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.contact-form .form-control,
.contact-form .form-select {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px var(--primary-100);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 0 40px;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand .brand-text {
    color: white;
}

.footer-brand .brand-highlight {
    color: var(--primary-400);
}

.footer-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a i {
    font-size: 1.25rem;
    color: var(--gray-400);
}

.footer-social a:hover {
    background: var(--primary-600);
}

.footer-social a:hover i {
    color: white;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-400);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact i {
    color: var(--primary-400);
    font-size: 1.125rem;
}

.footer-contact a {
    color: var(--gray-400);
    font-size: 0.95rem;
}

.footer-contact a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.footer-disclaimer {
    color: var(--gray-500);
    font-size: 0.8rem !important;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== WHATSAPP FLOAT BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-fast);
}

.whatsapp-float i {
    font-size: 1.75rem;
    color: white;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* ===== TOOLS PAGE STYLES ===== */
.tools-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--primary-50) 0%, white 100%);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 20px;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto;
}

.tools-overview {
    padding: 60px 0;
    background: white;
}

.tool-overview-card {
    display: block;
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.tool-overview-card:hover {
    background: white;
    border-color: var(--primary-300);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.tool-icon i {
    font-size: 2rem;
    color: var(--primary-600);
}

.tool-overview-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.tool-overview-card p {
    color: var(--gray-600);
    margin: 0;
}

/* ===== CALCULATOR SECTIONS ===== */
.calculator-section {
    padding: var(--section-padding) 0;
}

.calculator-section:nth-child(odd) {
    background: var(--gray-50);
}

.calculator-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.calculator-info {
    padding-right: 40px;
}

.calc-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.calc-icon i {
    font-size: 1.75rem;
    color: var(--primary-600);
}

.calculator-info h2 {
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.calculator-info p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 16px;
}

.imc-table {
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.imc-table h5 {
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.imc-table ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.imc-table li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.imc-badge {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.imc-low { background: var(--primary-400); }
.imc-normal { background: var(--success); }
.imc-over { background: var(--warning); }
.imc-obese { background: var(--danger); }

.activity-info {
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.activity-info h5 {
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.activity-info ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-info li {
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--gray-600);
}

.activity-info li strong {
    color: var(--gray-800);
}

/* Calculator Form */
.calculator-form {
    background: var(--gray-50);
    padding: 32px;
    border-radius: var(--radius-lg);
}

.calculator-form .form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.calculator-form .form-control,
.calculator-form .form-select {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-300);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.calculator-form .form-control:focus,
.calculator-form .form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px var(--primary-100);
}

.sex-selector {
    display: flex;
    gap: 12px;
}

.sex-selector .btn {
    flex: 1;
    padding: 16px;
}

.sex-selector .btn-check:checked + .btn-outline-primary {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

/* Calculator Result */
.calculator-result {
    margin-top: 32px;
    padding: 32px;
    background: white;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--primary-200);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.result-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-600);
}

.result-unit {
    font-size: 1.25rem;
    color: var(--gray-500);
    font-weight: 500;
}

.result-classification {
    font-size: 1.25rem;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: var(--radius-full);
    display: inline-block;
    margin-bottom: 16px;
}

.result-classification.low {
    background: var(--primary-100);
    color: var(--primary-700);
}

.result-classification.normal {
    background: #d1fae5;
    color: #065f46;
}

.result-classification.over {
    background: #fef3c7;
    color: #92400e;
}

.result-classification.obese {
    background: #fee2e2;
    color: #991b1b;
}

.result-explanation {
    color: var(--gray-600);
    font-size: 0.95rem;
    max-width: 400px;
    margin: 0 auto;
}

/* Ideal Weight Section */
.ideal-weight-section {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-200);
}

.ideal-weight-section h5 {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ideal-weight-range {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
}

.ideal-weight-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-700);
}

.ideal-weight-separator {
    font-size: 1rem;
    color: var(--gray-500);
}

.ideal-weight-unit {
    font-size: 1rem;
    color: var(--gray-500);
    font-weight: 500;
}

.ideal-weight-note {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 8px;
    margin-bottom: 0;
}

/* TDEE Suggestions */
.tdee-suggestions {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.tdee-suggestions h5 {
    font-size: 1rem;
    margin-bottom: 16px;
}

.suggestion-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.suggestion-card {
    background: var(--gray-50);
    padding: 16px;
    border-radius: var(--radius-md);
    text-align: center;
}

.suggestion-card.deficit {
    background: #dbeafe;
}

.suggestion-card.maintain {
    background: #d1fae5;
}

.suggestion-card.surplus {
    background: #fef3c7;
}

.suggestion-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    color: var(--gray-600);
}

.suggestion-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gray-900);
}

.suggestion-unit {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Calculator Disclaimer */
.calculator-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 24px;
    padding: 16px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--gray-600);
}

.calculator-disclaimer i {
    color: var(--primary-600);
    font-size: 1.125rem;
    flex-shrink: 0;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 991px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-image-wrapper {
        padding: 20px;
        margin-top: 40px;
    }
    
    .floating-card {
        display: none;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .method-image-wrapper,
    .bio-image-wrapper,
    .results-image-wrapper {
        text-align: center;
        margin-bottom: 40px;
    }
    
    .bio-section .order-lg-1,
    .bio-section .order-lg-2 {
        order: unset;
    }
    
    .calculator-card {
        padding: 24px;
    }
    
    .calculator-info {
        padding-right: 0;
        margin-bottom: 32px;
    }
    
    .cta-wrapper {
        padding: 32px;
        text-align: center;
    }
    
    .cta-btn {
        width: 100%;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-item {
        flex-direction: row;
        align-items: center;
        gap: 12px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .sex-selector {
        flex-direction: column;
    }
    
    .suggestion-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-card {
        padding: 24px;
    }
    
    .footer {
        padding: 60px 0 32px;
    }
}

@media (max-width: 575px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .language-selector .btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .calculator-form {
        padding: 20px;
    }
    
    .result-number {
        font-size: 2.5rem;
    }
}