/* ============================================================================
   PromptProfile™ Landing Page Styles
   Bright, conversion-focused design
   ============================================================================ */

/* CSS Variables */
:root {
    --color-primary: #20D4B0;
    --color-primary-dark: #1AB89A;
    --color-primary-light: #4DE0C4;
    --color-text: #1A1A1A;
    --color-text-secondary: #4A4A4A;
    --color-text-light: #6B6B6B;
    --color-bg: #FFFFFF;
    --color-bg-light: #FAFAFA;
    --color-bg-section: #F5F5F5;
    --color-border: #E0E0E0;
    --color-success: #10B981;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

.section-title {
    font-size: 40px;
    margin-bottom: var(--spacing-md);
}

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

.section-text {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

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

/* Navigation */
.nav {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.nav__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav__logo {
    width: 32px;
    height: 32px;
}

.nav__name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

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

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

.btn--large {
    padding: 16px 32px;
    font-size: 18px;
}

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

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

.btn--full {
    width: 100%;
}

.btn--nav {
    padding: 10px 20px;
    font-size: 14px;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero__title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    color: var(--color-text);
}

.hero__subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.hero__cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero__trust {
    font-size: 14px;
    color: var(--color-text-light);
    text-align: center;
}

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

.hero__image {
    max-width: 100%;
    width: 500px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Why PromptProfile Section */
.why-promptprofile {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.why-promptprofile__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.why-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

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

.why-card__icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.why-card__title {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.why-card__text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

/* Problem/Solution Section */
.problem-solution {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.problem-solution__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.problem-list,
.solution-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.problem-list li,
.solution-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
}

.problem-list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #EF4444;
    font-weight: bold;
}

.solution-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

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

.feature-card__icon {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    min-height: 60px;
}

.feature-card__image {
    width: 100%;
    max-width: 390px;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.feature-card__title {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature-card__text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.feature-card__list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.feature-card__list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 14px;
}

.feature-card__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 20px;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.how-it-works__image {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.how-it-works__img {
    max-width: 100%;
    width: 600px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
}

.step__number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.step__title {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.step__text {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.how-it-works__cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Trust & Privacy Section */
.trust-privacy {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.trust-privacy__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.trust-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

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

.trust-card__icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.trust-card__title {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.trust-card__text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 16px;
}

.trust-card__link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

.trust-card__link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.pricing-card {
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    transition: all 0.3s ease;
}

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

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: white;
    padding: 4px 16px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.pricing-card__highlight {
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.pricing-card__title {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.pricing-card__amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-text);
}

.pricing-card__period {
    font-size: 18px;
    color: var(--color-text-secondary);
}

.pricing-card__features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-card__features li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
}

.pricing-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.pricing__note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
    margin-top: var(--spacing-lg);
}

/* Social Proof Section */
.social-proof {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.testimonial__text {
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial__author {
    font-size: 14px;
    color: var(--color-text-light);
    font-weight: 600;
}

/* Final CTA Section */
.final-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    text-align: center;
}

.final-cta__title {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: white;
}

.final-cta__text {
    font-size: 20px;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta__buttons {
    margin-bottom: var(--spacing-md);
}

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

.final-cta .btn--primary:hover {
    background: var(--color-bg-light);
    transform: translateY(-2px);
}

.final-cta__reassurance {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-text);
    color: white;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

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

.footer__logo {
    width: 32px;
    height: 32px;
}

.footer__name {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.footer__links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer__link:hover {
    color: white;
}

.footer__copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Legal Pages */
.legal-page {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
    min-height: calc(100vh - 200px);
}

.legal-page__content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg);
    padding: var(--spacing-lg);
}

.legal-page__title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    text-align: center;
}

.legal-page__updated {
    text-align: center;
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.legal-page__section {
    margin-bottom: var(--spacing-xl);
}

.legal-page__section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    padding-top: var(--spacing-md);
}

.legal-page__section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.legal-page__section p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.legal-page__section ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-page__section li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

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

.legal-page__section a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.legal-page__section strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__visual {
        order: -1;
    }

    .problem-solution__content {
        grid-template-columns: 1fr;
    }

    .features__grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }

    .testimonials {
        grid-template-columns: 1fr;
    }

    .why-promptprofile__grid {
        grid-template-columns: 1fr;
    }

    .trust-privacy__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav__container {
        padding: var(--spacing-sm) 20px;
    }

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

    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 18px;
    }

    .hero__badges {
        justify-content: center;
    }

    .hero__badge {
        font-size: 12px;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-text {
        font-size: 16px;
    }

    .why-promptprofile__grid {
        grid-template-columns: 1fr;
    }

    .trust-privacy__grid {
        grid-template-columns: 1fr;
    }

    .final-cta__title {
        font-size: 32px;
    }

    .final-cta__text {
        font-size: 18px;
    }

    .footer__content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .legal-page__title {
        font-size: 36px;
    }

    .legal-page__section h2 {
        font-size: 24px;
    }

    .legal-page__section h3 {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 28px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn--large {
        padding: 14px 24px;
        font-size: 16px;
    }

    .pricing-card__amount {
        font-size: 36px;
    }
}