/* Creating Value LLC - Main Stylesheet */
/* Performance-first: System fonts, no external dependencies */

:root {
    /* Brand Colors */
    --teal: #00ABC7;
    --teal-dark: #008fa8;
    --navy: #2B3284;
    --black: #232121;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    
    /* Typography - System Font Stack */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Layout */
    --max-width: 1200px;
    --content-width: 720px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--black);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--teal);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Layout Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--narrow {
    max-width: var(--content-width);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow 0.3s ease;
}

.header--scrolled {
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.header__logo {
    display: flex;
    align-items: center;
}

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

.nav {
    display: none;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav__link {
    color: var(--black);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-xs) 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal);
    transition: width 0.2s ease;
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__link:hover {
    color: var(--teal);
}

/* Mobile Menu */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--black);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.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);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--space-lg);
    z-index: 99;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav__list {
    list-style: none;
}

.mobile-nav__link {
    display: block;
    padding: var(--space-md) 0;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--black);
    border-bottom: 1px solid var(--gray-200);
}

/* Hero Section */
.hero {
    padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero__content {
    max-width: 800px;
}

.hero__eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

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

.hero__subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    color: var(--gray-700);
    max-width: 640px;
    margin-bottom: var(--space-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.btn--primary {
    background: var(--teal);
    color: var(--white);
}

.btn--primary:hover {
    background: var(--teal-dark);
    color: var(--white);
}

.btn--secondary {
    background: transparent;
    color: var(--teal);
    border: 2px solid var(--teal);
}

.btn--secondary:hover {
    background: var(--teal);
    color: var(--white);
}

.btn--large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

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

.section--gray {
    background: var(--gray-50);
}

.section--dark {
    background: var(--black);
    color: var(--white);
}

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

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

.section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-2xl);
}

.section__header h2 {
    margin-bottom: var(--space-sm);
}

.section__header p {
    color: var(--gray-600);
    font-size: 1.125rem;
}

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

.card {
    background: var(--white);
    border-radius: 12px;
    padding: var(--space-lg);
    border: 1px solid var(--gray-200);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--teal) 0%, var(--navy) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--white);
    font-size: 1.5rem;
}

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

.card__text {
    color: var(--gray-600);
    margin-bottom: 0;
}

/* Feature List */
.features {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

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

.feature__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    background: var(--teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.75rem;
    margin-top: 2px;
}

.feature__text {
    margin: 0;
}

.feature__text strong {
    color: var(--black);
}

/* CTA Section */
.cta {
    text-align: center;
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--navy) 0%, var(--black) 100%);
    color: var(--white);
}

.cta h2 {
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.cta p {
    color: var(--gray-300);
    font-size: 1.125rem;
    max-width: 480px;
    margin: 0 auto var(--space-lg);
}

/* About Page */
.about-hero {
    padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
    background: var(--gray-50);
}

.about-hero__grid {
    display: grid;
    gap: var(--space-2xl);
    align-items: center;
}

.about-hero__image {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

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

.about-hero__text {
    font-size: 1.125rem;
    color: var(--gray-700);
}

.about-section {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--gray-200);
}

.about-section:last-of-type {
    border-bottom: none;
}

.about-section h2 {
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.about-section p {
    color: var(--gray-700);
    max-width: 640px;
}

/* Credentials */
.credentials {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.credential {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-600);
    font-size: 0.95rem;
}

.credential__icon {
    color: var(--teal);
}

/* Contact Page */
.contact-hero {
    padding: calc(72px + var(--space-2xl)) 0 var(--space-lg);
    background: var(--gray-50);
}

.contact-hero h1 {
    margin-bottom: var(--space-sm);
}

.contact-hero p {
    font-size: 1.125rem;
    color: var(--gray-700);
    max-width: 540px;
}

.contact-grid {
    display: grid;
    gap: var(--space-2xl);
    padding: var(--space-2xl) 0;
}

.contact-form-section h2,
.contact-calendar-section h2 {
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

/* Forms */
.form {
    display: grid;
    gap: var(--space-md);
}

.form-row {
    display: grid;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--black);
}

.form-group label .required {
    color: #e53935;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0, 171, 199, 0.15);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: normal;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--teal);
    cursor: pointer;
}

.form-error {
    background: #ffebee;
    color: #c62828;
    padding: var(--space-sm);
    border-radius: 6px;
    font-size: 0.95rem;
}

.form-success {
    background: #e8f5e9;
    color: #2e7d32;
    padding: var(--space-lg);
    border-radius: 8px;
    text-align: center;
}

.form-success h3 {
    color: #2e7d32;
    margin-bottom: var(--space-xs);
}

/* Newsletter Section */
.newsletter {
    background: var(--gray-50);
    padding: var(--space-2xl) 0;
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--gray-200);
}

.newsletter h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

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

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    max-width: 480px;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--teal);
}

/* TidyCal Container */
.tidycal-container {
    background: var(--gray-50);
    border-radius: 8px;
    padding: var(--space-md);
    min-height: 400px;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--gray-300);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer__brand img {
    height: 48px;
    margin-bottom: var(--space-md);
}

.footer__logo {
    height: 48px;
    width: auto;
}

.footer__logo-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer__mark {
    height: 52px;
    width: auto;
}

.footer__logotype {
    height: 28px;
    width: auto;
}

.footer__brand p {
    font-size: 0.95rem;
    max-width: 280px;
}

.footer__nav h4 {
    color: var(--white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.footer__nav ul {
    list-style: none;
}

.footer__nav li {
    margin-bottom: var(--space-xs);
}

.footer__nav a {
    color: var(--gray-300);
    font-size: 0.95rem;
}

.footer__nav a:hover {
    color: var(--teal);
}

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

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    color: var(--white);
    transition: background 0.2s ease;
}

.footer__social a:hover {
    background: var(--teal);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-sm);
    font-size: 0.875rem;
}

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

.footer__legal a {
    color: var(--gray-300);
}

.footer__updated {
    color: var(--gray-600);
    font-size: 0.8rem;
    margin-left: var(--space-sm);
}

.footer__contact {
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.footer__contact a {
    color: var(--gray-300);
}

.footer__contact a:hover {
    color: var(--teal);
}

/* Legal Pages */
.legal-page {
    padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
}

.legal-page h1 {
    margin-bottom: var(--space-lg);
}

.legal-content {
    max-width: 720px;
}

.legal-content h2 {
    font-size: 1.25rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.legal-content p {
    color: var(--gray-700);
}

/* Responsive */
@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .nav {
        display: block;
    }
    
    .menu-toggle {
        display: none;
    }
    
    .about-hero__grid {
        grid-template-columns: 320px 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .hero__content {
        max-width: 700px;
    }
}

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

.animate-in {
    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; }

/* Utility Classes */
.text-center { text-align: center; }
.text-teal { color: var(--teal); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }