:root {
    --primary: #00ADEF;
    --primary-alt: #0077B6;
    --secondary: #F7941E;
    --dark: #0F172A;
    --light-bg: #F8FAFC;
    --white: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.05);
    --shadow-accent: 0 10px 30px rgba(0, 173, 239, 0.4);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    color: var(--text-main);
    background-color: var(--white);
    overflow-x: hidden;
    line-height: 1.5;
}

/* Background Mesh Gradient */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        radial-gradient(at 0% 0%, rgba(0, 173, 239, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(247, 148, 30, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 173, 239, 0.05) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(0, 173, 239, 0.1) 0px, transparent 50%);
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Nav */
header {
    height: 100px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    height: 80px;
    border-bottom: 1px solid var(--glass-border);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 60px;
    transition: var(--transition);
}

header.scrolled .logo img {
    height: 50px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    opacity: 0.8;
}

nav a:hover {
    opacity: 1;
    color: var(--primary);
}

.btn-get-started {
    background: linear-gradient(135deg, var(--primary), var(--primary-alt));
    color: var(--white) !important;
    padding: 12px 28px;
    border-radius: 50px;
    opacity: 1 !important;
    box-shadow: var(--shadow-accent);
}

.btn-get-started:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 173, 239, 0.5);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark);
    margin-bottom: 24px;
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
}

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

.btn-main:hover {
    transform: scale(1.05);
    background: var(--primary-alt);
}

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

.btn-link:hover {
    text-decoration: underline;
}

.hero-image {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.15);
}

.hero-image img {
    width: 100%;
    display: block;
    transform: scale(1.01);
}

/* Services Section */
.section {
    padding: 120px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 48px;
    border-radius: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-soft);
}

.service-card:hover {
    transform: translateY(-10px);
    background: var(--white);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 173, 239, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 32px;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Plans Grid */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.plan-card {
    background: var(--white);
    padding: 48px;
    border-radius: 24px;
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.plan-card.featured {
    border-color: var(--primary);
    box-shadow: 0 20px 50px rgba(0, 173, 239, 0.15);
}

.recommended-badge {
    position: absolute;
    top: 20px;
    left: -35px;
    background: var(--primary);
    color: var(--white);
    padding: 8px 40px;
    font-size: 0.7rem;
    font-weight: 800;
    transform: rotate(-45deg);
    box-shadow: 0 5px 15px rgba(0, 173, 239, 0.3);
}

.plan-header h3 {
    font-size: 1.25rem;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.plan-header .price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 32px;
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    text-align: center;
}

.plan-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--light-bg);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.plan-features li:last-child { border-bottom: none; }

/* Footer & Other */
footer {
    padding: 100px 0 40px;
    background: var(--white);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 80px;
}

.f-logo img { height: 40px; margin-bottom: 24px; }
.f-text { color: var(--text-muted); }

.f-column h4 { margin-bottom: 24px; font-weight: 700; }
.f-column ul { list-style: none; }
.f-column li { margin-bottom: 12px; }
.f-column a { text-decoration: none; color: var(--text-muted); font-size: 0.95rem; }
.f-column a:hover { color: var(--primary); }

.f-bottom {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--light-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 10000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
}

/* About Layout */
.about-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 120px;
    align-items: center;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--dark);
    margin: 3px 0;
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-text p { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .plans-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .about-layout { grid-template-columns: 1fr; gap: 60px; text-align: center; }
}

@media (max-width: 768px) {
    .hero-text h1 { font-size: 2.5rem; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .services-grid { grid-template-columns: 1fr; }
    .plans-grid { grid-template-columns: 1fr; }
    
    .menu-toggle { display: flex; }
    nav ul { 
        flex-direction: column; 
        position: absolute; 
        top: 80px; 
        left: 0; 
        width: 100%; 
        background: var(--white); 
        gap: 20px;
        padding: 30px 24px;
        box-shadow: var(--shadow-soft);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: all 0.5s ease-in-out;
        opacity: 0;
        visibility: hidden;
    }
    nav ul.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        opacity: 1;
        visibility: visible;
    }
    
    .menu-toggle.active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }
}