/*
 * Thao's Yoga & Pilates - Stylesheet
 * Built from business-basic template
 *
 * Theme: Calm, warm, professional
 * Colors: Sage green primary, soft earth tones
 */

/* ============================================
   THEME VARIABLES - Yoga Studio Theme
   ============================================ */
:root {
    /* Brand Colors - Sage/Earth tones */
    --color-primary: #5f8575;       /* Sage green */
    --color-primary-dark: #4a6b5d;  /* Darker sage */
    --color-primary-light: #7a9e8e;

    --color-accent: #c9a66b;        /* Warm gold/sand */
    --color-accent-dark: #b8915a;

    /* Neutrals - Warm tones */
    --color-text: #3d3d3d;
    --color-text-light: #5a5a5a;
    --color-text-muted: #7a7a7a;

    --color-bg: #fdfcfa;            /* Warm white */
    --color-bg-alt: #f5f3ef;        /* Warm off-white */
    --color-bg-dark: #3d3d3d;

    --color-border: #e8e4de;

    /* Typography */
    --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: var(--font-main);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Layout */
    --max-width: 1100px;
    --nav-height: 70px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows - softer */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);

    /* Transitions */
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.3;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; margin-bottom: var(--space-lg); }
h3 { font-size: 1.2rem; margin-bottom: var(--space-sm); }

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

p:last-child {
    margin-bottom: 0;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

.section-alt {
    background: var(--color-bg-alt);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.nav-logo:hover {
    color: var(--color-primary-dark);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 400;
    padding: var(--space-sm) 0;
    position: relative;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    margin-bottom: var(--space-lg);
    color: var(--color-primary-dark);
    font-weight: 400;
    letter-spacing: -0.02em;
}

.hero-tagline {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    font-family: inherit;
}

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

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

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

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

/* ============================================
   ABOUT
   ============================================ */
.about-content {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.05rem;
}

/* ============================================
   SERVICES / CLASSES
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.service-card {
    background: var(--color-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.service-card h3 {
    color: var(--color-primary);
    font-weight: 500;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    text-align: center;
}

.contact-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: 1rem;
    font-weight: 500;
}

.contact-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
    padding: var(--space-xl) 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    margin: 0;
    color: #999;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .nav-links {
        gap: var(--space-lg);
    }

    .hero {
        min-height: 60vh;
        padding-top: calc(var(--nav-height) + var(--space-xl));
    }

    .hero-tagline {
        font-size: 1.05rem;
    }

    .section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}