/* ========================================
   TYPOGRAPHY SYSTEM
   Lato + Merriweather font system with Apple HIG inspiration
   ======================================== */

/* Font Imports */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700&family=Lato:wght@400;700;900&display=swap');

/* Base Typography */
body {
    font-family: 'Merriweather', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', 'Helvetica Neue', serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: #1F2937 !important;
}

/* Typography Scale - Apple's approach */
:root {
    /* Font Families */
    --font-display: 'Lato', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    --font-body: 'Merriweather', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 0.9375rem;  /* 15px - Apple's body text */
    --text-md: 1rem;         /* 16px */
    --text-lg: 1.0625rem;    /* 17px - Apple's large body */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    --text-7xl: 4.5rem;      /* 72px */
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 1.75;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
}

/* Heading Styles - Use Lato for headings */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: #1F2937 !important;
}

h1 {
    font-size: var(--text-6xl);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
}

h2 {
    font-size: var(--text-4xl);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

h3 {
    font-size: var(--text-2xl);
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
}

h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-normal);
}

h5 {
    font-size: var(--text-base);
    font-weight: 600;
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-normal);
}

h6 {
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* Paragraph Styles - Use Merriweather for body */
p {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: #6B7280 !important;
    letter-spacing: var(--tracking-normal);
}

.text-lg {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
}

.text-xl {
    font-size: var(--text-xl);
    line-height: var(--leading-normal);
}

.text-2xl {
    font-size: var(--text-2xl);
    line-height: var(--leading-snug);
}

.text-sm {
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.text-xs {
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
}

/* Font Weights */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Hero Typography - Lato for impact */
.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
    color: var(--text-primary);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    letter-spacing: var(--tracking-normal);
}

/* Section Typography */
.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: #1F2937 !important;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: #6B7280 !important;
    letter-spacing: var(--tracking-normal);
}

/* Card Typography */
.card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

.card-text {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

/* Navigation Typography - Merriweather for readability */
.nav-link {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 500;
    letter-spacing: var(--tracking-normal);
}

/* Button Typography - Lato for impact */
.btn-text {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: var(--tracking-normal);
}

/* Footer Typography */
.footer-heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.footer-text {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.footer-small {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Decoration */
.no-underline { text-decoration: none; }
.underline { text-decoration: underline; }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Line Height Utilities */
.leading-none { line-height: var(--leading-none); }
.leading-tight { line-height: var(--leading-tight); }
.leading-snug { line-height: var(--leading-snug); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }
.leading-loose { line-height: var(--leading-loose); }

/* Letter Spacing Utilities */
.tracking-tighter { letter-spacing: var(--tracking-tighter); }
.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }

/* Apple-style Emphasis */
.text-emphasis {
    font-weight: 600;
    color: var(--text-primary);
}

.text-subtle {
    color: var(--text-tertiary);
}

/* Display Text - For large hero sections with Lato */
.display-1 {
    font-family: var(--font-display);
    font-size: var(--text-7xl);
    font-weight: 700;
    line-height: var(--leading-none);
    letter-spacing: var(--tracking-tighter);
}

.display-2 {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tighter);
}

/* Responsive Typography */
@media (max-width: 1024px) {
    :root {
        --text-6xl: 3rem;     /* 48px */
        --text-5xl: 2.5rem;   /* 40px */
        --text-4xl: 2rem;     /* 32px */
        --text-3xl: 1.75rem;  /* 28px */
    }
    
    h1, .hero-title {
        font-size: var(--text-5xl);
    }
    
    h2, .section-title {
        font-size: var(--text-3xl);
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;   /* 40px */
        --text-5xl: 2.25rem;  /* 36px */
        --text-4xl: 1.875rem; /* 30px */
        --text-3xl: 1.5rem;   /* 24px */
        --text-xl: 1.125rem;  /* 18px */
    }
    
    h1, .hero-title {
        font-size: var(--text-5xl);
        letter-spacing: var(--tracking-tight);
    }
    
    h2, .section-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .text-lg {
        font-size: var(--text-md);
    }
}

@media (max-width: 480px) {
    :root {
        --text-6xl: 2rem;     /* 32px */
        --text-5xl: 1.875rem; /* 30px */
        --text-4xl: 1.5rem;   /* 24px */
    }
}