/* ============================================
   PIMENTA CARE INTERNATIONAL
   Premium Healthcare Brand Stylesheet
   Colors: Deep Navy (#1B4D5C), Terracotta (#D4753B), Gold (#C9A961)
   ============================================ */

:root {
    --primary: #1B4D5C;
    --primary-light: #2A6B7D;
    --primary-dark: #123540;
    --secondary: #D4753B;
    --secondary-light: #E8A87C;
    --accent: #C9A961;
    --accent-light: #D4BC7E;
    --bg: #FAF9F6;
    --bg-alt: #F0EDE8;
    --bg-dark: #1A1A2E;
    --bg-dark-alt: #16213E;
    --text: #1A1A2E;
    --text-light: #4A4A5A;
    --text-muted: #7A7A8A;
    --text-on-dark: #FFFFFF;
    --text-on-dark-muted: #B0B0C0;
    --white: #FFFFFF;
    --border: #E5E2DD;
    --border-dark: rgba(255,255,255,0.1);
    --radius: 12px;
    --radius-pill: 999px;
    --shadow: 0 4px 20px rgba(27,77,92,0.08);
    --shadow-lg: 0 10px 40px rgba(27,77,92,0.12);
    --shadow-glow: 0 0 30px rgba(212,117,59,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: var(--font); }
input, textarea, select { font-family: var(--font); outline: none; }

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.section-label {
    display: inline-block;
    background: rgba(27,77,92,0.08);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 1rem;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}
.section { padding: 5rem 0; position: relative; }
.section-dark { background: var(--bg-dark); color: var(--text-on-dark); }
.section-dark .section-title { color: var(--text-on-dark); }
.section-dark .section-subtitle { color: var(--text-on-dark-muted); }
.section-alt { background: var(--bg-alt); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-lg);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(27,77,92,0.25);
}
.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}
.btn-secondary:hover {
    background: var(--secondary-light);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}
.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}
.btn-gold {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--bg-dark);
    font-weight: 700;
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201,169,97,0.3);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}
.card-dark {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-dark);
    color: var(--text-on-dark);
}
.card-dark:hover {
    border-color: rgba(212,117,59,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* Grid Systems */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}
.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(27,77,92,0.08);
}
.form-textarea { min-height: 120px; resize: vertical; }

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: pulse-whatsapp 2s infinite;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.6);
}
.whatsapp-float svg { width: 28px; height: 28px; fill: white; }
@keyframes pulse-whatsapp {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
    50% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255,255,255,0.2);
}
.lang-toggle button {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-pill);
    color: var(--text-on-dark-muted);
    transition: var(--transition);
}
.lang-toggle button.active {
    background: var(--secondary);
    color: var(--white);
}

/* AI Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 998;
}
.chat-btn {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    color: white;
    font-size: 1.5rem;
}
.chat-btn:hover { transform: scale(1.1); }
.chat-window {
    position: absolute;
    bottom: 70px;
    left: 0;
    width: 350px;
    max-height: 500px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border);
}
.chat-window.active { display: flex; }
.chat-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.chat-header img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
}
.chat-body {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    background: var(--bg);
}
.chat-msg {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}
.chat-msg.bot {
    background: var(--white);
    border: 1px solid var(--border);
    align-self: flex-start;
}
.chat-msg.user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    margin-left: auto;
}
.chat-input-area {
    padding: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
}
.chat-input-area input {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
}
.chat-input-area button {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Price Calculator */
.price-calc {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--border);
}
.price-calc-result {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    margin-top: 1.5rem;
}
.price-calc-result .price-value {
    font-size: 2rem;
    font-weight: 800;
    display: block;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.animate { opacity: 0; transform: translateY(30px); transition: all 0.8s ease-out; }
.animate.visible { opacity: 1; transform: translateY(0); }

/* Navigation */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--primary);
    letter-spacing: -0.03em;
}
.nav-logo span { color: var(--secondary); }
.nav-logo .logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}
.nav-cta {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.85rem;
}
.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--primary);
}

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 0; right: -100%;
    width: 80%; max-width: 400px;
    height: 100vh;
    background: var(--bg-dark);
    z-index: 1001;
    padding: 2rem;
    transition: var(--transition);
    overflow-y: auto;
}
.mobile-nav.active { right: 0; }
.mobile-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    opacity: 0; visibility: hidden;
    transition: var(--transition);
}
.mobile-overlay.active { opacity: 1; visibility: visible; }
.mobile-nav-close {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: block;
}
.mobile-nav a {
    display: block;
    color: white;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 1.1rem;
}

@media (max-width: 1024px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .chat-widget { bottom: 5rem; }
    .whatsapp-float { bottom: 5rem; right: 1rem; }
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-on-dark-muted);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-brand .footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col ul li a {
    font-size: 0.85rem;
    color: var(--text-on-dark-muted);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact p {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
}
@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }