/* ================================================
   Design System - Psicólogo Jonathan Gerke
   Baseado na identidade visual do site original
   ================================================ */

/* -------------------- Fonts -------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* -------------------- CSS Variables -------------------- */
:root {
    /* Primary Colors (Navy) */
    --color-primary-dark: #021f3f;
    --color-primary: #02274f;
    --color-primary-light: #0b3566;
    --color-primary-lighter: #114173;
    
    /* Accent Colors (Orange) */
    --color-accent: #c97128;
    --color-accent-light: #d58643;
    --color-accent-dark: #b86422;
    --color-accent-hover: #e09a5a;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-black: #0b0b0b;
    --color-ink: #0b0b0b;
    --color-surface: #ffffff;
    
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* WhatsApp */
    --color-whatsapp: #25d366;
    --color-whatsapp-hover: #1da851;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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-glow: 0 0 20px rgba(201, 113, 40, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(201, 113, 40, 0.5);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-modal: 1050;
    --z-tooltip: 1100;
}

/* -------------------- Reset & Base -------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--color-white);
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
    min-height: 100vh;
}

/* -------------------- Typography -------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
    color: var(--color-white);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
    margin-bottom: var(--space-4);
    color: var(--color-gray-200);
}

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

a:hover {
    color: var(--color-accent-hover);
}

/* -------------------- Utility Classes -------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white); }
.text-muted { color: var(--color-gray-400); }

.font-display { font-family: var(--font-display); }
.font-primary { font-family: var(--font-primary); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* -------------------- Container -------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

/* -------------------- Animations -------------------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

.animate-fade-in { animation: fadeIn var(--transition-normal) forwards; }
.animate-fade-in-up { animation: fadeInUp var(--transition-normal) forwards; }
.animate-fade-in-down { animation: fadeInDown var(--transition-normal) forwards; }
.animate-slide-in-left { animation: slideInLeft var(--transition-normal) forwards; }
.animate-slide-in-right { animation: slideInRight var(--transition-normal) forwards; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* -------------------- Responsive -------------------- */
@media (max-width: 768px) {
    :root {
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 480px) {
    :root {
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
        --text-2xl: 1.125rem;
    }
}