/* ==================== CSS Variables ==================== */
:root {
    --python-yellow: #F4B400;
    --python-yellow-dark: #D69E00;
    --black: #0a0a0a;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --border-color: #e0e0e0;

    /* Tech colors - More Pastel versions */
    --color-python: #FFF4D6;
    --color-python-text: #F4B400;
    --color-fastapi: #D9F2EC;
    --color-fastapi-text: #33B5A0;
    --color-stripe: #E2E0FB;
    --color-stripe-text: #8881D8;
    --color-docker: #D9EBF9;
    --color-docker-text: #4AADE8;
    --color-postgres: #D9E6EF;
    --color-postgres-text: #5A8DB3;
    --color-alembic: #E8F4D9;
    --color-alembic-text: #8DB34A;
    --color-react: #DDF4FC;
    --color-react-text: #61DAFB;
    --color-tailwind: #D5F3F7;
    --color-tailwind-text: #38BDF8;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* ==================== Utilities ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.highlight {
    color: var(--python-yellow);
    position: relative;
}

.highlight-fastapi {
    color: #009688;
    position: relative;
}

.highlight-template {
    color: var(--black);
    position: relative;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #1a1a1a;
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    border-color: var(--python-yellow);
    background-color: rgba(255, 212, 59, 0.1);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ==================== Navigation ==================== */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0;
    z-index: 1000;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.fastsaas-icon {
    width: 24px;
    height: 24px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
}

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

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--python-yellow);
}

.nav-menu .btn-primary {
    color: white;
}

/* ==================== Hero Section ==================== */
.hero {
    padding: var(--spacing-lg) 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 235, 150, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(179, 229, 252, 0.15) 0%, transparent 50%),
        linear-gradient(135deg, #fefefe 0%, #f5f7fa 50%, #fafbfc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(244, 180, 0, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(179, 229, 252, 0.03) 0%, transparent 50%);
    filter: blur(60px);
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Flying chips on sides */
.flying-chips-left,
.flying-chips-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 1;
}

.flying-chips-left {
    left: 2%;
}

.flying-chips-right {
    right: 2%;
}

.flying-chip {
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--black);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(244, 180, 0, 0.2);
    animation: floatSide 4s ease-in-out infinite;
    white-space: nowrap;
}

.flying-chip:nth-child(1) { animation-delay: 0s; }
.flying-chip:nth-child(2) { animation-delay: 0.5s; }
.flying-chip:nth-child(3) { animation-delay: 1s; }
.flying-chip:nth-child(4) { animation-delay: 1.5s; }

.flying-chip .star {
    color: var(--python-yellow);
    margin-right: 0.3rem;
}

@keyframes floatSide {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tech-stack {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.tech-chip {
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
    border: 1.5px solid;
    transition: transform 0.3s ease;
    cursor: default;
}

.tech-chip:hover {
    transform: scale(1.08);
    animation-play-state: paused;
}

.tech-chip:nth-child(1) { animation-delay: 0s; }
.tech-chip:nth-child(2) { animation-delay: 0.2s; }
.tech-chip:nth-child(3) { animation-delay: 0.4s; }
.tech-chip:nth-child(4) { animation-delay: 0.6s; }
.tech-chip:nth-child(5) { animation-delay: 0.8s; }
.tech-chip:nth-child(6) { animation-delay: 1s; }
.tech-chip:nth-child(7) { animation-delay: 1.2s; }
.tech-chip:nth-child(8) { animation-delay: 1.4s; }

.tech-chip.python {
    background-color: var(--color-python);
    color: var(--color-python-text);
    border-color: var(--color-python-text);
}
.tech-chip.fastapi {
    background-color: var(--color-fastapi);
    color: var(--color-fastapi-text);
    border-color: var(--color-fastapi-text);
}
.tech-chip.stripe {
    background-color: var(--color-stripe);
    color: var(--color-stripe-text);
    border-color: var(--color-stripe-text);
}
.tech-chip.docker {
    background-color: var(--color-docker);
    color: var(--color-docker-text);
    border-color: var(--color-docker-text);
}
.tech-chip.react {
    background-color: var(--color-react);
    color: var(--color-react-text);
    border-color: var(--color-react-text);
}
.tech-chip.tailwind {
    background-color: var(--color-tailwind);
    color: var(--color-tailwind-text);
    border-color: var(--color-tailwind-text);
}
.tech-chip.alembic {
    background-color: var(--color-alembic);
    color: var(--color-alembic-text);
    border-color: var(--color-alembic-text);
}
.tech-chip.postgres {
    background-color: var(--color-postgres);
    color: var(--color-postgres-text);
    border-color: var(--color-postgres-text);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.feature-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    cursor: default;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border-color: var(--python-yellow);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-content {
    flex: 1;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--black);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.pricing-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    border: 2px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--python-yellow);
    color: var(--black);
    padding: 0.2rem 0.8rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--black);
    font-weight: 700;
}

.pricing-price {
    margin: 1rem 0 0.75rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--black);
}

.pricing-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.pricing-features {
    list-style: none;
    margin: 1rem 0;
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.4rem 0;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.pricing-features li::before {
    content: "✓ ";
    color: #22c55e;
    font-weight: 700;
    margin-right: 0.4rem;
}

.pricing-card .btn {
    width: 100%;
    margin-top: 1.25rem;
}

/* ==================== Testimonials Section ==================== */
.testimonials {
    padding: var(--spacing-lg) 0;
    background-color: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.testimonial-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 5rem;
    color: var(--python-yellow);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
}


.testimonial-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--python-yellow);
}

.testimonial-text {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-style: italic;
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.testimonial-author-info {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--black);
    font-size: 1rem;
}

.testimonial-author span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==================== FAQ Section ==================== */
.faq {
    padding: var(--spacing-lg) 0;
    background-color: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: var(--spacing-md) auto 0;
}

.faq-item {
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--bg-secondary);
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--black);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    padding: 0 1.25rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.25rem 1rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== About Section ==================== */
.about {
    padding: var(--spacing-lg) 0;
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: center;
}

.about-image img {
    width: 100%;
    max-width: 300px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-text h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    font-size: var(--font-size-lg);
}

.about-links {
    margin-top: var(--spacing-md);
}

.about-links .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ==================== Footer ==================== */
.footer {
    background-color: var(--black);
    color: white;
    padding: 2rem 0;
}

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

.footer-brand .logo {
    color: white;
}

.footer-brand .highlight {
    color: var(--python-yellow);
}

.footer-brand p {
    margin-top: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .flying-chips-left,
    .flying-chips-right {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image img {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* Will add mobile menu with JS later */
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .section-title {
        font-size: var(--font-size-2xl);
    }

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

    .pricing-card {
        padding: 1.5rem 1.25rem;
    }

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

/* ==================== Animations ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

/* ==================== Scroll Animations ==================== */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}