@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&display=swap');

/* HeadYogi Marketing Website - Shared Styles */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Indigo Calm */
    --color-primary: #5E5CE6;
    --color-primary-dark: #4846C7;
    --color-primary-soft: #F2F1FF;
    --color-secondary: #1BAA9F;
    --color-text: #1F1F2E;
    --color-text-light: #5B5C6F;
    --color-bg: #FBFBFD;
    --color-bg-light: #F5F6FA;
    --color-border: #E5E7EF;
    --color-success: #1FA971;

    /* Typography */
    --font-family: "SF Pro Text", "SF Pro Display", "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    --font-family-display: "SF Pro Display", "SF Pro Text", "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.65;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3.5rem;
    --spacing-xl: 5rem;

    /* Layout */
    --max-width: 1120px;
    --max-width-content: 840px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 8px 24px rgba(31, 31, 46, 0.08);
    --shadow-md: 0 20px 40px rgba(31, 31, 46, 0.12);
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: var(--line-height-base);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2.1rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-xs);
}

h4 {
    font-size: 1.1rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

small {
    color: var(--color-text-light);
}

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

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

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

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

.container-narrow {
    width: 100%;
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(180deg, var(--color-primary-soft), var(--color-bg));
}

.section-sm {
    padding: var(--spacing-lg) 0;
}

.text-center {
    text-align: center;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

.section-heading {
    max-width: 720px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* Header & Navigation */
header {
    background-color: rgba(251, 251, 253, 0.88);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.logo {
    font-family: var(--font-family-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
}

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

.nav-links .btn-primary {
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
    margin-left: var(--spacing-xs);
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

/* Buttons & CTAs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 999px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 12px 24px rgba(94, 92, 230, 0.25);
}

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

.btn-secondary {
    border: 1px solid var(--color-border);
    color: var(--color-text);
    background-color: rgba(255, 255, 255, 0.9);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.btn-app-store {
    background-color: #101014;
    color: white;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 12px 24px rgba(16, 16, 20, 0.2);
}

.btn-app-store:hover {
    background-color: #2a2a36;
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    position: relative;
    overflow: hidden;
    padding: calc(var(--spacing-xl) + 1rem) 0 var(--spacing-lg);
    background: radial-gradient(circle at top left, rgba(94, 92, 230, 0.18), transparent 55%),
        linear-gradient(180deg, var(--color-primary-soft), var(--color-bg));
}

.hero::after {
    content: "";
    position: absolute;
    top: -120px;
    right: -160px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(94, 92, 230, 0.2), transparent 70%);
    filter: blur(0px);
    opacity: 0.8;
}

.hero-grid {
    display: grid;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-copy p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.hero-usp {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    background-color: white;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-sm) 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: var(--spacing-md) 0 var(--spacing-md);
}

.trust-bar {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.trust-pill {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
}

.hero-visual {
    display: grid;
    gap: var(--spacing-md);
    justify-items: center;
}

.device-frame {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    max-width: 360px;
    width: 100%;
}

.device-frame .app-screenshot {
    margin: 0;
}

.hero-context {
    max-width: 320px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    opacity: 0.95;
}

@media (max-width: 767px) {
    .hero-context {
        max-width: 100%;
    }
}

/* Feature Blocks */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.feature-block {
    padding: var(--spacing-md);
    background-color: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.feature-block h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-xs);
}

/* Benefits */
.benefits-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.benefit-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    animation: rise 0.6s ease both;
}

.benefit-card:nth-child(2) {
    animation-delay: 0.1s;
}

.benefit-card:nth-child(3) {
    animation-delay: 0.2s;
}

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

/* Steps */
.steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    align-items: flex-start;
    background: white;
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.step-number {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

/* Trust Points */
.trust-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.trust-item {
    text-align: left;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.trust-item h3 {
    color: var(--color-success);
    margin-bottom: var(--spacing-xs);
}

/* Problem/Solution Sections */
.problem-section,
.solution-section {
    padding: var(--spacing-lg) 0;
}

.problem-list,
.solution-list {
    list-style: none;
    margin-left: 0;
}

.problem-list li,
.solution-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background-color: white;
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

/* Callouts */
.callout {
    display: grid;
    gap: var(--spacing-lg);
    align-items: center;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.callout p {
    color: var(--color-text-light);
}

/* Testimonials */
.quote-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.quote-card {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.quote-card p {
    color: var(--color-text-light);
}

.quote-author {
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--spacing-sm);
}

/* Key Facts */
.key-facts {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    align-items: start;
}

.facts-card {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.facts-card ul {
    margin-left: 1.2rem;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
    background: radial-gradient(circle at top, rgba(94, 92, 230, 0.16), transparent 55%),
        var(--color-bg-light);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

.cta-section h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

/* Blog */
.blog-list {
    list-style: none;
    margin-left: 0;
}

.blog-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.blog-item:last-child {
    border-bottom: none;
}

.blog-item h3 {
    margin-bottom: var(--spacing-xs);
}

.blog-item .meta {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.blog-item p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

/* Article */
.article-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.article-meta {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.article-content {
    line-height: 1.8;
}

.article-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
}

/* Footer */
footer {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

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

.footer-links {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

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

.copyright {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.breadcrumbs a {
    color: var(--color-text-light);
}

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

/* Responsive Design */
@media (min-width: 768px) {
    h1 {
        font-size: 3.2rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .hero-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-copy p {
        font-size: 1.2rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps {
        grid-template-columns: 1fr;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }

    .callout {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

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

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

.hero-image {
    width: 100%;
    max-width: 800px;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-lg);
    opacity: 0.95;
}

.context-image {
    width: 100%;
    max-width: 600px;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-lg);
}

.app-screenshot {
    width: 100%;
    max-width: 320px;
    margin: var(--spacing-md) auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.app-screenshot-small {
    width: 100%;
    max-width: 220px;
    margin: var(--spacing-sm) 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.article-image {
    width: 100%;
    max-width: 700px;
    margin: var(--spacing-lg) auto;
    border-radius: var(--radius-lg);
}

.image-left {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.image-right {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
    .app-screenshot {
        max-width: 360px;
    }

    .app-screenshot-small {
        max-width: 240px;
    }

    .feature-image-container {
        display: flex;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .feature-image-container .app-screenshot-small {
        flex-shrink: 0;
        margin: 0;
    }
}

/* Utility Classes */
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Motion */
@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}