/* ==========================================================================
   Design System Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #4CAF50; /* Vibrant Green (from logo) */
    --color-primary-dark: #1B5E20; /* Dark Green for text/accents (from logo) */
    --color-primary-light: #66BB6A; /* Lighter Green for hover */
    --color-text: #333333; /* Dark gray for body text */
    --color-text-light: #666666; /* Lighter gray for subtext */
    --color-background: #ffffff;
    --color-light-gray: #f5f5f5; /* Soft gray background/accents */
    --color-border: #e0e0e0;

    /* Spacing */
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 32px;
    --space-xl: 64px;
    --space-xxl: 96px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-size-base: 16px;

    /* Border Radius & Shadow */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-duration: 0.3s;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

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

h1, h2, h3 {
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (min-width: 768px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-duration);
    border: 2px solid transparent;
}

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

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

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

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

.btn-large {
    padding: 12px 24px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-md);
}

/* ==========================================================================
   Header & Navigation — ONLY THIS SECTION IS UPDATED
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-background);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    position: relative; /* ✅ FIXED: allows mobile menu to position correctly */
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary-dark);
    text-decoration: none;
}

.logo img {
    height: 30px;
    width: auto;
}

/* Navigation */
.nav-links {
    display: none;
    list-style: none;
    margin: 0;
}

.nav-links li {
    display: inline-block;
    margin: 0 var(--space-md);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

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

/* Desktop CTA */
.nav-ctas {
    display: none;
    gap: var(--space-md);
}

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary-dark);
    border-radius: 10px;
    transition: all var(--transition-duration);
}

/* Mobile styles */
@media (max-width: 1023px) {
    .nav-links {
        /* ✅ FIXED: now properly positioned under navbar */
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-background);
        padding: var(--space-md) 0;
        border-top: 1px solid var(--color-border);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-duration) ease-out, opacity var(--transition-duration) ease-out;
        z-index: 101;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-links li {
        display: block;
        margin: 0;
        padding: var(--space-sm) var(--space-lg);
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: var(--space-sm) 0;
        font-size: 1.1rem;
    }

    /* Mobile CTA */
    .mobile-cta {
        display: block;
        
        border-top: 1px solid var(--color-border);
    }

    .mobile-cta .btn {
        display: inline-block;
        padding: 8px 16px; /* ✅ COMPACT SIZE */
        font-size: 0.95rem;
        border-radius: var(--border-radius-sm);
        margin: 0 auto;
        width: auto; /* not full width */
    }

    /* Hide desktop CTA */
    .nav-ctas {
        display: none !important;
    }

    /* Show hamburger */
    .menu-toggle {
        display: flex;
    }

    /* Hamburger animation */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .nav-links {
        display: flex;
        align-items: center;
    }
    .nav-ctas {
        display: flex;
    }
    .menu-toggle {
        display: none;
    }
    .mobile-cta {
        display: none !important;
    }
}

/* Mobile button sizing for hero only */
@media (max-width: 767px) {
    .hero-ctas .btn-large {
        width: 100%;
        max-width: 280px;
    }
}

/* Prevent background scroll */
body.menu-open {
    overflow: hidden;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding: var(--space-xl) 0 var(--space-xxl);
    text-align: center;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.hero-headline {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    max-width: 700px;
}

.hero-ctas {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-illustration {
    width: 100%;
    max-width: 600px;
    margin-top: var(--space-xl);
}

.mockup-whatsapp {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    padding: var(--space-md);
    min-height: 300px;
    overflow: hidden;
    position: relative;
}

.mockup-header {
    background-color: var(--color-primary-dark);
    color: var(--color-background);
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
}

.mockup-chat-list, .mockup-pipeline {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.chat-item {
    background-color: var(--color-light-gray);
    padding: var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

.chat-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-background);
    font-weight: 500;
}

.mockup-pipeline {
    flex-direction: row;
    justify-content: space-between;
    margin-top: var(--space-lg);
}

.pipeline-stage {
    flex: 1;
    text-align: center;
    padding: var(--space-sm);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-light-gray);
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0 4px;
}

.pipeline-stage.active {
    background-color: var(--color-primary);
    color: var(--color-background);
}

/* Desktop Hero Layout */
@media (min-width: 1024px) {
    .hero-section {
        padding: var(--space-xxl) 0;
    }
    .hero-section .container {
        flex-direction: row;
        text-align: left;
    }
    .hero-content {
        flex: 1;
    }
    .hero-illustration {
        flex: 1;
        margin-top: 0;
    }
    .hero-headline {
        font-size: 4rem;
    }
    .hero-ctas {
        justify-content: flex-start;
    }
}

/* ==========================================================================
   Trust Section
   ========================================================================== */
.trust-section {
    background-color: var(--color-light-gray);
    padding: var(--space-lg) 0;
    text-align: center;
}

.trust-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.logo-placeholder {
    height: 40px;
    width: 100px;
    line-height: 40px;
    font-size: 0.8rem;
    color: var(--color-text-light);
    border: 1px dashed var(--color-border);
    border-radius: var(--border-radius-sm);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
    background-color: var(--color-background);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-duration), box-shadow var(--transition-duration);
    border: 1px solid var(--color-border);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-md);
    /* Placeholder for SVG/CSS icon */
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

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

/* ==========================================================================
   How It Works Section
   ========================================================================== */
.how-it-works-section {
    background-color: var(--color-light-gray);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    text-align: center;
    padding: var(--space-lg);
    background-color: var(--color-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.step-number {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-background);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   Use Cases Section
   ========================================================================== */
.use-cases-section {
    background-color: var(--color-background);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.use-case-card {
    padding: var(--space-lg);
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-light-gray);
    border-radius: var(--border-radius-sm);
}

.use-case-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

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

/* ==========================================================================
   Call-to-Action Section
   ========================================================================== */
.cta-section {
    background-color: var(--color-primary-dark);
    color: var(--color-background);
    text-align: center;
    padding: var(--space-xxl) 0;
}

.cta-headline {
    color: var(--color-background);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-subtext {
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
}

.cta-section .btn-primary {
    background-color: var(--color-background);
    color: var(--color-primary-dark);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-light-gray);
    color: var(--color-primary-dark);
}

@media (min-width: 768px) {
    .cta-headline {
        font-size: 3rem;
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #222222;
    color: #cccccc;
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid #444444;
}

.footer-top .logo img {
    filter: brightness(0) invert(1); /* Make logo white */
    height: 30px;
}

.footer-links h4 {
    color: var(--color-background);
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: #cccccc;
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
}

.copyright {
    font-size: 0.8rem;
    color: #888888;
}

@media (min-width: 768px) {
    .footer-top {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

/* Sticky Header Enhancement */
.site-header.scrolled {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 1024px) {
    .hidemobilehandbuger {
        display: none;
    }  }