/* ═══════════════════════════════════════════════════════════════════════════
   PODOLOGIA OCEAN CALM - VERSÃO 6
   Tema: Ocean Calm & Serenity - Tranquil Blue Theme
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --color-primary: #0284c7;
    --color-primary-light: #38bdf8;
    --color-primary-dark: #0369a1;
    --color-secondary: #bae6fd;
    --color-accent: #06b6d4;
    --color-bg: transparent;
    --color-bg-secondary: rgba(240, 249, 255, 0.92);
    --color-bg-tertiary: rgba(255, 255, 255, 0.95);
    --color-text: #0c4a6e;
    --color-text-muted: #0369a1;
    --color-white: #ffffff;
    --color-border: rgba(2, 132, 199, 0.15);
    
    --font-heading: 'Libre Baskerville', serif;
    --font-body: 'Source Sans 3', sans-serif;
    
    --spacing-xs: 0.5rem; --spacing-sm: 1rem; --spacing-md: 2rem; --spacing-lg: 4rem; --spacing-xl: 6rem;
    --radius-sm: 8px; --radius-md: 16px; --radius-lg: 24px; --radius-full: 9999px;
    --transition-fast: 0.2s ease; --transition-normal: 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(2, 132, 199, 0.08);
    --shadow-md: 0 4px 20px rgba(2, 132, 199, 0.1);
    --shadow-lg: 0 8px 40px rgba(2, 132, 199, 0.12);
}

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

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); }
.container-sm { max-width: 800px; }

/* Preloader */
#preloader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #f0f9ff; display: flex; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.5s ease, visibility 0.5s ease; }
#preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-wave { font-size: 3rem; animation: wave 1.5s ease-in-out infinite; }
@keyframes wave { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-10px) rotate(10deg); } }
.preloader-text { font-family: var(--font-heading); font-size: 1.25rem; color: var(--color-text); margin-top: var(--spacing-sm); }

/* Header */
.header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: var(--spacing-sm) 0; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); border-bottom: 1px solid var(--color-border); }
.header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 0.5rem; }
.logo-icon { font-size: 1.5rem; }
.logo-text { font-family: var(--font-heading); font-size: 1.375rem; font-weight: 700; color: var(--color-text); }

.nav-list { display: flex; align-items: center; gap: var(--spacing-md); }
.nav-link { font-size: 0.9375rem; font-weight: 500; color: var(--color-text-muted); position: relative; }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--color-primary); transition: var(--transition-fast); }
.nav-link:hover, .nav-link.active { color: var(--color-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: inline-flex; } }

.menu-toggle { display: flex; flex-direction: column; gap: 5px; padding: 0.5rem; }
.menu-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; transition: var(--transition-fast); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
@media (min-width: 1024px) { .menu-toggle { display: none; } }
@media (max-width: 1023px) { .nav { display: none; } }

.mobile-menu { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: #f0f9ff; z-index: 999; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition-normal); }
.mobile-menu.active { opacity: 1; visibility: visible; }
.mobile-nav { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-md); }
.mobile-link { font-family: var(--font-heading); font-size: 1.5rem; color: var(--color-text); }
.mobile-link:hover { color: var(--color-primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.75rem 1.5rem; font-size: 0.9375rem; font-weight: 600; border-radius: var(--radius-full); transition: var(--transition-normal); }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-white); }
.btn-whatsapp { background: #25d366; color: var(--color-white); }
.btn-whatsapp:hover { background: #20bd5a; transform: translateY(-2px); }
.btn-lg { padding: 1rem 2rem; }
.btn-full { width: 100%; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg); }
.hero .container { display: grid; grid-template-columns: 1fr; gap: var(--spacing-lg); align-items: center; }
@media (min-width: 1024px) { .hero .container { grid-template-columns: 1fr 1fr; } }

.hero-content { text-align: center; }
@media (min-width: 1024px) { .hero-content { text-align: left; } }
.hero-tag { display: inline-block; font-size: 0.875rem; font-weight: 500; color: var(--color-primary); margin-bottom: var(--spacing-sm); }
.hero-title { font-family: var(--font-heading); font-size: clamp(2.25rem, 5vw, 3.25rem); font-weight: 700; line-height: 1.2; color: var(--color-text); margin-bottom: var(--spacing-md); }
.ocean-text { color: var(--color-primary); }
.hero-desc { font-size: 1.0625rem; color: var(--color-text-muted); margin-bottom: var(--spacing-md); max-width: 480px; }
@media (min-width: 1024px) { .hero-desc { margin-left: 0; } }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); justify-content: center; }
@media (min-width: 1024px) { .hero-cta { justify-content: flex-start; } }

.hero-visual { display: none; }
@media (min-width: 1024px) { .hero-visual { display: block; } }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }

/* Sections */
.section { padding: var(--spacing-xl) 0; }
.section-alt { background: var(--color-bg-secondary); }
.section-header { text-align: center; max-width: 600px; margin: 0 auto var(--spacing-lg); }
.section-tag { display: inline-block; padding: 0.375rem 1rem; background: rgba(2, 132, 199, 0.1); color: var(--color-primary); font-size: 0.8125rem; font-weight: 600; border-radius: var(--radius-full); margin-bottom: var(--spacing-sm); }
.section-title { font-family: var(--font-heading); font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; color: var(--color-text); margin-bottom: var(--spacing-sm); }

/* Services */
.services-grid { display: grid; grid-template-columns: 1fr; gap: var(--spacing-md); }
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card { padding: var(--spacing-md); background: var(--color-bg-tertiary); border-radius: var(--radius-md); border: 1px solid var(--color-border); text-align: center; transition: var(--transition-normal); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary); }
.service-card.featured { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.service-icon { font-size: 2.5rem; margin-bottom: var(--spacing-sm); }
.service-card h3 { font-family: var(--font-heading); font-size: 1.125rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.5rem; }
.service-card p { font-size: 0.875rem; color: var(--color-text-muted); }

/* About */
.about-layout { display: grid; grid-template-columns: 1fr; gap: var(--spacing-lg); align-items: center; }
@media (min-width: 1024px) { .about-layout { grid-template-columns: 1fr 1fr; } }
.about-image img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-content .section-tag, .about-content .section-title { text-align: left; }
.about-role { font-size: 1rem; color: var(--color-primary); font-weight: 500; margin-bottom: var(--spacing-sm); }
.about-content p { color: var(--color-text-muted); margin-bottom: var(--spacing-md); }
.about-features { display: flex; flex-wrap: wrap; gap: var(--spacing-sm); }
.feature { font-size: 0.875rem; color: var(--color-text); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.faq-item { background: var(--color-bg-tertiary); border-radius: var(--radius-md); border: 1px solid var(--color-border); overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: var(--spacing-md); font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--color-text); text-align: left; }
.faq-question:hover { color: var(--color-primary); }
.faq-icon { font-size: 1.25rem; color: var(--color-primary); transition: var(--transition-fast); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.active .faq-answer { max-height: 200px; }
.faq-answer p { padding: 0 var(--spacing-md) var(--spacing-md); color: var(--color-text-muted); }

/* Contact */
.contact-card { max-width: 600px; margin: 0 auto; padding: var(--spacing-lg); background: var(--color-bg-tertiary); border-radius: var(--radius-lg); border: 1px solid var(--color-border); text-align: center; }
.contact-card .section-tag, .contact-card .section-title { text-align: center; }
.contact-card > p { color: var(--color-text-muted); margin-bottom: var(--spacing-md); }
.contact-info { display: flex; flex-direction: column; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.info-item { display: flex; align-items: center; justify-content: center; gap: 0.5rem; }
.info-item span, .info-item a { color: var(--color-text); }
.info-item a:hover { color: var(--color-primary); }

/* Footer */
.footer { background: var(--color-text); color: var(--color-white); padding: var(--spacing-lg) 0; }
.footer-content { text-align: center; }
.footer .logo-text { color: var(--color-white); margin-bottom: var(--spacing-sm); display: block; }
.footer p { opacity: 0.7; font-size: 0.875rem; }

/* WhatsApp Float */
.whatsapp-float { position: fixed; bottom: var(--spacing-md); right: var(--spacing-md); width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: #25d366; color: var(--color-white); border-radius: 50%; box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); z-index: 999; }
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float:hover { transform: scale(1.1); }

.fade-up { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 480px) { .container { padding: 0 var(--spacing-sm); } .hero-title { font-size: 2rem; } .section { padding: var(--spacing-lg) 0; } }