/* Variables */
:root {
    --primary-color: #0ea5e9;
    --secondary-color: #0f172a;
    --text-color: #334155;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gradient-main: linear-gradient(135deg, #0ea5e9 0%, #009879 100%);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --font-main: 'Plus Jakarta Sans', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

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

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.text-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Enhanced Futuristic Buttons */
.btn-primary {
    background: var(--gradient-main);
    color: var(--white);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(0, 152, 121, 0.4);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    backdrop-filter: blur(5px);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    box-shadow: 0 0 20px rgba(0, 152, 121, 0.2);
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.scroll-header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Nav Menu */
.nav-menu {
    position: relative;
}

@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        bottom: -100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 2rem 1.5rem 4rem;
        box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.15);
        border-radius: 1.5rem 1.5rem 0 0;
        transition: .3s;
        z-index: 1000;
    }
}

.show-menu {
    bottom: 0;
}

.nav-list {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    background: rgba(255, 255, 255, 0.85);
    padding: 0.5rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 2px 4px -1px rgba(0, 0, 0, 0.03),
        inset 0 0 0 1px rgba(255, 255, 255, 0.5);
}

.nav-link {
    font-weight: 600;
    color: #475569;
    position: relative;
    padding: 0.6rem 1.25rem;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    overflow: hidden;
}

.nav-link.active {
    color: var(--primary-color);
    background: #ffffff;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 2px 4px -1px rgba(0, 0, 0, 0.03),
        inset 0 2px 4px rgba(255, 255, 255, 1);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transform: translateY(-1px);
}

.nav-toggle, .nav-close {
    font-size: 1.5rem;
    color: var(--secondary-color);
    cursor: pointer;
    display: none;
}

@media screen and (max-width: 768px) {
    .nav-toggle, .nav-close {
        display: block;
    }
    .nav-list {
        flex-direction: column;
        background: transparent;
        border: none;
        box-shadow: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 8rem;
    padding-bottom: 5rem;
    overflow: hidden;
}

/* Enhanced Futuristic Hero Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        105deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(255, 255, 255, 0.95) 40%, 
        rgba(255, 255, 255, 0.6) 100%
    );
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: -1;
    overflow: hidden;
}

.hero-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at top left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
    -webkit-mask-image: radial-gradient(circle at top left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 70%);
    z-index: 0;
}

.hero-overlay::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(14, 165, 233, 0.1), transparent 50%);
    animation: rotate-glow 20s linear infinite;
    z-index: 0;
}

@keyframes rotate-glow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: #64748b;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Stats Section */
.stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 5px rgba(14, 165, 233, 0.2));
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.blob-shape {
    position: absolute;
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, rgba(0, 152, 121, 0.4) 0%, rgba(14, 165, 233, 0.4) 100%);
    border-radius: 50%;
    filter: blur(60px);
    animation: pulse-glow 8s ease-in-out infinite;
    z-index: -1;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Futuristic Floating Cards */
.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    color: var(--secondary-color);
    animation: float 6s ease-in-out infinite;
    overflow: hidden;
    transition: all 0.3s ease;
}

.floating-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.floating-card:hover::before {
    transform: scaleX(1);
}

.floating-card:hover {
    box-shadow: 
        0 8px 32px 0 rgba(31, 38, 135, 0.15),
        0 0 15px rgba(14, 165, 233, 0.3);
    border-color: rgba(14, 165, 233, 0.4);
    transform: translateY(-5px);
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-1 { top: 20%; left: 10%; animation-delay: 0s; }
.card-2 { top: 50%; right: 10%; animation-delay: 2s; }
.card-3 { bottom: 15%; left: 20%; animation-delay: 4s; }

@keyframes float {
    0% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

/* Page Transitions */
.main-transition {
    animation: pageEntrance 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.main-transition.exiting {
    animation: pageExit 0.4s ease-in forwards;
    pointer-events: none;
}

@keyframes pageEntrance {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pageExit {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}