/* ============================================
   COMPSULTATION - Main Stylesheet
   AI Guidance for Small Businesses
   
   HOW TO EDIT THIS FILE:
   - Colors are at the top (CSS Variables)
   - Change colors there, they update everywhere!
   - Mobile styles come first, then bigger screens
   ============================================ */

/* --------------------------------------------
   CSS VARIABLES (Easy to change colors/fonts)
   -------------------------------------------- */
:root {
    /* Brand Colors - from your logo */
    --color-dark: #12121a;
    --color-dark-lighter: #1a1a2e;
    --color-purple: #6366f1;
    --color-purple-glow: rgba(99, 102, 241, 0.3);
    --color-green: #a3e635;
    --color-green-dark: #84cc16;
    --color-green-glow: rgba(163, 230, 53, 0.3);
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-light: #fafafa;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-glow-purple: 0 0 30px var(--color-purple-glow);
    --shadow-glow-green: 0 0 30px var(--color-green-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* --------------------------------------------
   RESET & BASE STYLES
   -------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-green);
    color: var(--color-dark);
    padding: var(--space-sm) var(--space-md);
    z-index: 100;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* --------------------------------------------
   TYPOGRAPHY
   -------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-800);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--space-md);
}

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

a:hover {
    color: var(--color-green-dark);
}

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

.section {
    padding: var(--space-3xl) 0;
}

.section--dark {
    background-color: var(--color-dark);
    color: var(--color-gray-200);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
    color: var(--color-white);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
    .grid--2 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid--3 { grid-template-columns: repeat(3, 1fr); }
    .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex--center {
    align-items: center;
    justify-content: center;
}

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

.flex--column {
    flex-direction: column;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

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

/* --------------------------------------------
   HEADER & NAVIGATION
   -------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-md) 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header__logo img {
    height: 40px;
    width: auto;
}

.header__logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-green);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Navigation */
.nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-md);
}

.nav.is-open {
    display: flex;
}

.nav__link {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-gray-300);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-green);
    background-color: rgba(163, 230, 53, 0.1);
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .nav {
        display: flex;
        width: auto;
        flex-direction: row;
        padding-top: 0;
    }
    
    .nav__link {
        padding: var(--space-sm) var(--space-md);
    }
}

/* --------------------------------------------
   HERO SECTION
   -------------------------------------------- */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
    overflow: hidden;
}

/* Background decoration */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, var(--color-purple-glow) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(circle, var(--color-green-glow) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.5;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero__tagline {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(163, 230, 53, 0.15);
    border: 1px solid var(--color-green);
    border-radius: var(--radius-full);
    color: var(--color-green);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.hero__title span {
    color: var(--color-green);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-xl);
    max-width: 600px;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* --------------------------------------------
   BUTTONS
   -------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn--primary {
    background-color: var(--color-green);
    color: var(--color-dark);
    border-color: var(--color-green);
}

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

.btn--secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-purple);
}

.btn--secondary:hover {
    background-color: var(--color-purple);
    color: var(--color-white);
    box-shadow: var(--shadow-glow-purple);
    transform: translateY(-2px);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-purple);
    border-color: var(--color-purple);
}

.btn--outline:hover {
    background-color: var(--color-purple);
    color: var(--color-white);
}

/* --------------------------------------------
   CARDS
   -------------------------------------------- */
.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-100);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card--dark {
    background-color: var(--color-dark-lighter);
    border-color: rgba(255, 255, 255, 0.1);
}

.card--dark h3,
.card--dark h4 {
    color: var(--color-white);
}

.card--dark p {
    color: var(--color-gray-300);
}

.card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-purple) 0%, var(--color-green) 100%);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
}

.card__title {
    margin-bottom: var(--space-sm);
}

.card__text {
    color: var(--color-gray-600);
}

/* Blog Card */
.blog-card {
    display: flex;
    flex-direction: column;
}

.blog-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.blog-card__content {
    padding: var(--space-lg);
}

.blog-card__meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-sm);
}

.blog-card__title {
    margin-bottom: var(--space-sm);
}

.blog-card__title a {
    color: inherit;
}

.blog-card__title a:hover {
    color: var(--color-purple);
}

.blog-card__excerpt {
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

/* --------------------------------------------
   FORMS
   -------------------------------------------- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-purple);
    box-shadow: 0 0 0 3px var(--color-purple-glow);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-helper {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--space-xs);
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: var(--space-xs);
}

/* Dark form styles */
.section--dark .form-input,
.section--dark .form-textarea,
.section--dark .form-select {
    background-color: var(--color-dark-lighter);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.section--dark .form-label {
    color: var(--color-gray-200);
}

/* --------------------------------------------
   FOOTER
   -------------------------------------------- */
.footer {
    background-color: var(--color-dark);
    color: var(--color-gray-300);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    height: 40px;
    margin-bottom: var(--space-md);
}

.footer__description {
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer__title {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-green);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

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

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-gray-300);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background-color: var(--color-purple);
    color: var(--color-white);
}

/* --------------------------------------------
   BLOG PAGE STYLES
   -------------------------------------------- */
.blog-header {
    background-color: var(--color-dark);
    padding: var(--space-3xl) 0;
    text-align: center;
}

.blog-header__title {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.blog-header__subtitle {
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto;
}

/* Single Post */
.post {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-md);
}

.post__header {
    margin-bottom: var(--space-2xl);
}

.post__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.post__title {
    margin-bottom: var(--space-md);
}

.post__content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.post__content h2 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.post__content h3 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.post__content p {
    margin-bottom: var(--space-lg);
}

.post__content ul,
.post__content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.post__content li {
    margin-bottom: var(--space-sm);
}

.post__content blockquote {
    border-left: 4px solid var(--color-purple);
    padding-left: var(--space-lg);
    margin: var(--space-xl) 0;
    font-style: italic;
    color: var(--color-gray-600);
}

.post__content code {
    background-color: var(--color-gray-100);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}

.post__content pre {
    background-color: var(--color-dark);
    color: var(--color-gray-200);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-lg);
}

.post__content pre code {
    background: none;
    padding: 0;
}

/* --------------------------------------------
   UTILITY CLASSES
   -------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* --------------------------------------------
   RESPONSIVE ADJUSTMENTS
   -------------------------------------------- */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-xl);
    }
    
    .section {
        padding: var(--space-4xl) 0;
    }
    
    .header__logo img {
        height: 50px;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .nav,
    .btn {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
}