/* 
   Main stylesheet for aiporngenerator.rentals
   Featuring a clean blue circular design theme
*/

/* Base Variables */
:root {
    --color-bg: #0C1821;
    --color-secondary-bg: #1B2A41;
    --color-primary: #00B4DB;
    --color-secondary: #0083B0;
    --color-accent: #3CDBD3;
    --color-text: #E7ECEF;
    --color-text-secondary: #B7C4CF;
    --color-border: #324A5F;
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.3);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
}

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.main-container {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

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

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(60px);
    opacity: 0.15;
}

.blob:nth-child(1) {
    background: var(--color-primary);
    width: 45vw;
    height: 45vw;
    top: -15vw;
    right: -15vw;
    animation: blob-float 30s infinite alternate ease-in-out;
}

.blob:nth-child(2) {
    background: var(--color-secondary);
    width: 40vw;
    height: 40vw;
    bottom: -10vw;
    left: -10vw;
    animation: blob-float 25s infinite alternate-reverse ease-in-out;
}

.blob:nth-child(3) {
    background: var(--color-accent);
    width: 30vw;
    height: 30vw;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: blob-pulse 20s infinite alternate ease-in-out;
}

@keyframes blob-float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    100% {
        transform: translate(100px, 50px) rotate(20deg);
    }
}

@keyframes blob-pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.2;
    }
}

/* Header Styles */
header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: rgba(12, 24, 33, 0.8);
    border-bottom: 1px solid rgba(50, 74, 95, 0.3);
    transition: var(--transition-normal);
}

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

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

.logo-svg {
    width: 4rem;
    height: 4rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

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

nav {
    display: flex;
    align-items: center;
}

.menu {
    display: flex;
    gap: 3rem;
}

.menu a {
    font-size: 1.6rem;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

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

.menu a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 3rem;
    height: 2.4rem;
    position: relative;
}

.menu-toggle span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--color-text);
    left: 0;
    transition: var(--transition-fast);
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
    bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Hero Section */
.hero {
    padding-top: 15rem;
    padding-bottom: var(--spacing-xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 4.8rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: 1.8rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-graphic {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-graphic {
    max-width: 100%;
    height: auto;
    animation: float 6s infinite ease-in-out;
}

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

/* Button Styles */
.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    font-size: 1.6rem;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.8rem;
}

/* Features Section */
.features {
    background-color: var(--color-secondary-bg);
    position: relative;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.section-title {
    font-size: 3.6rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

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

.feature-card {
    background-color: rgba(27, 42, 65, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 1.5rem;
}

/* Generators Section */
.generators {
    position: relative;
}

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

.generator-box {
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-secondary-bg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.generator-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.generator-header {
    background: var(--gradient-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
}

.generator-header h3 {
    font-size: 2rem;
    color: #fff;
    margin: 0;
}

.generator-content {
    padding: var(--spacing-md);
}

.generator-features {
    margin-bottom: var(--spacing-md);
}

.generator-features li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.generator-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* How It Works Section */
.how-it-works {
    background-color: var(--color-secondary-bg);
    position: relative;
}

.steps {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.step {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 2.5rem;
    top: 5rem;
    height: calc(100% - 5rem + var(--spacing-md));
    width: 2px;
    background: var(--color-border);
}

.step-number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 700;
    font-size: 2.4rem;
    margin-right: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.step-content {
    flex: 1;
    padding-top: 0.5rem;
}

.step-content h3 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-text-secondary);
}

.cta-box {
    background: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.cta-box h3 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
}

/* Footer */
footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary);
}

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

.footer-nav, .footer-legal {
    min-width: 120px;
}

.footer-nav h4, .footer-legal h4 {
    font-size: 1.6rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer-nav h4::after, .footer-legal h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-nav ul, .footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-nav a, .footer-legal a {
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.footer-nav a:hover, .footer-legal a:hover {
    color: var(--color-primary);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright, .disclaimer {
    color: var(--color-text-secondary);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

/* Responsive Styles */
@media (max-width: 992px) {
    html {
        font-size: 60%;
    }
    
    .hero .container {
        flex-direction: column-reverse;
        text-align: center;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .footer-top {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 55%;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--color-secondary-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-md);
        transition: var(--transition-normal);
        z-index: 99;
        box-shadow: var(--shadow-lg);
    }
    
    .menu.active {
        right: 0;
    }
    
    .section-title {
        font-size: 3rem;
    }
    
    .features-grid, .generators-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 50%;
    }
    
    .hero-content h2 {
        font-size: 3.6rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .step {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .step-number {
        margin-bottom: var(--spacing-sm);
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
}