:root {
    /* Brand Colors - Stitch Inspired */
    --siia-green: #00A859;
    --fiber-blue: #007BFF;
    --accent-glow: #00FFD1;
    
    /* Neutrals */
    --ghost-white: #F9FBFC;
    --digital-charcoal: #0F172A;
    --soft-gray: #E2E8F0;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--ghost-white);
    color: var(--digital-charcoal);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Base Styles */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2.5rem;
}

.logo {
    height: 48px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--digital-charcoal);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
}

.nav-toggle .hamburger {
    width: 100%;
    height: 2px;
    background-color: var(--digital-charcoal);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 250px;
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 999;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.2rem;
    }
    
    .nav-toggle.active .hamburger:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .hamburger:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .hamburger:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* Buttons */
.btn-cta {
    background: var(--siia-green);
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 8px 25px rgba(0, 168, 89, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 168, 89, 0.4);
}

/* Tech Switch Buttons */
.tech-switcher {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    background: #F1F5F9;
    padding: 0.5rem;
    border-radius: 100px;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #E2E8F0;
}

.switch-btn {
    padding: 0.8rem 2.5rem;
    border: none;
    border-radius: 50px;
    background: transparent;
    color: #64748B;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1rem;
}

.switch-btn.active {
    background: #fff;
    color: var(--siia-green);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: scale(1.05);
}

/* Hero Section 2.0 */
.hero {
    height: 100vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, rgba(0, 168, 89, 0.05), transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--digital-charcoal);
}

.highlight {
    color: var(--siia-green);
}

.hero-content p {
    font-size: 1.2rem;
    color: #64748B;
    margin-bottom: 3rem;
    max-width: 500px;
}

.hero-visual img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* Availability Search */
.search-availability {
    background: #fff;
    padding: 0.5rem;
    border-radius: 100px;
    display: flex;
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
    max-width: 600px;
    margin-bottom: 4rem;
}

.search-availability input {
    flex: 1;
    border: none;
    padding: 0 2rem;
    font-size: 1.1rem;
    outline: none;
}

/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: #fff;
    border-top: 1px solid var(--soft-gray);
    border-bottom: 1px solid var(--soft-gray);
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--siia-green);
}

/* Plan Cards Grid */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    align-items: start;
}

/* Plan Cards */
.plan-card {
    padding: 3.5rem 2.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid #F1F5F9;
}

.plan-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1);
    border-color: var(--siia-green);
}

.plan-card.recommended {
    border: 2px solid var(--siia-green);
    transform: scale(1.05);
    z-index: 2;
    background: linear-gradient(180deg, #fff 0%, #F0FFF4 100%);
}

.plan-card.recommended:hover {
    transform: translateY(-15px) scale(1.05);
}

.badge-recommended {
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--siia-green);
    color: white;
    padding: 0.5rem 3rem;
    font-weight: 800;
    font-size: 0.7rem;
    transform: rotate(45deg);
    box-shadow: 0 5px 15px rgba(0,168,89,0.2);
}

/* Testimonials Standard */
.testimonial-card {
    padding: 3rem;
    border-radius: 30px;
    background: #fff;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.testimonial-card:hover {
    border-color: var(--siia-green);
    transform: translateY(-10px);
}

.testimonial-card blockquote {
    font-size: 1.1rem;
    font-style: italic;
    color: #475569;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h5 {
    font-weight: 700;
    color: var(--digital-charcoal);
}

.author-info p {
    font-size: 0.85rem;
    color: var(--siia-green);
    font-weight: 600;
}

/* Map Legend */
.map-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    display: inline-flex;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.legend-color {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    z-index: 2000;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Chatbot UI */
.chatbot-trigger {
    position: fixed;
    bottom: 110px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: var(--siia-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    z-index: 2000;
    cursor: pointer;
}

.chatbot-window {
    position: fixed;
    bottom: 190px;
    right: 30px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    z-index: 2000;
    display: none; /* Toggle via JS */
    flex-direction: column;
    overflow: hidden;
}

.chatbot-header {
    background: var(--siia-green);
    color: white;
    padding: 1.5rem;
    font-weight: 700;
}

.chatbot-messages {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    background: #F8FAFC;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg {
    padding: 0.8rem 1.2rem;
    border-radius: 15px;
    max-width: 80% ;
    font-size: 0.9rem;
}

.msg.bot {
    background: #fff;
    align-self: flex-start;
    border: 1px solid #eee;
}

.msg.user {
    background: var(--siia-green);
    color: white;
    align-self: flex-end;
}

.chatbot-input {
    padding: 1rem;
    border-top: 1px solid #eee;
    display: flex;
    gap: 0.5rem;
}

.chatbot-input input {
    flex: 1;
    border: 1px solid #ddd;
    padding: 0.6rem 1rem;
    border-radius: 50px;
    outline: none;
}

.chatbot-quick-replies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.quick-reply-btn {
    background: #E2E8F0;
    color: var(--digital-charcoal);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-reply-btn:hover {
    background: var(--siia-green);
    color: white;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content h1 { font-size: 3rem; }
    .hero-content p { margin: 0 auto 3rem; }
    .search-availability { margin: 0 auto 4rem; }
}