:root {
    --primary-yellow: #FFE135;
    --primary-blue: #0096FF;
    --secondary-blue: #E0F0FF;
    --eco-green: #32CD32;
    --text-dark: #1A1A1A;
    --text-gray: #4A4A4A;
    --white: #FFFFFF;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --shadow-soft: 0 10px 30px -10px rgba(0, 150, 255, 0.15);
    --radius-lg: 24px;
    --radius-md: 16px;
    --font-main: 'Outfit', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-main);
    background-color: var(--secondary-blue);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    color: var(--primary-blue);
    text-shadow: 2px 2px 0px var(--primary-yellow);
}

h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
}

h3 {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center {
    text-align: center;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.grid {
    display: grid;
}

.gap-4 {
    gap: 1rem;
}

.gap-8 {
    gap: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: var(--primary-blue);
    box-shadow: 0 4px 15px rgba(255, 225, 53, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 225, 53, 0.6);
}

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

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 1s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 1s ease-out forwards;
}

/* Apply animations to specific sections */
.hero-content {
    opacity: 0;
    /* Starte hidden for animation */
    animation: slideInLeft 1s ease-out forwards;
}

.hero-image {
    opacity: 0;
    animation: slideInRight 1s ease-out forwards;
    animation-delay: 0.3s;
}

.features .feature-card {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

.features .feature-card:nth-child(1) {
    animation-delay: 0.2s;
}

.features .feature-card:nth-child(2) {
    animation-delay: 0.4s;
}

.features .feature-card:nth-child(3) {
    animation-delay: 0.6s;
}

/* Section Transitions */
section {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
    animation-play-state: paused;
    /* Controlled by JS intersection observer if we had one, but for now defaulting to simple load animation or CSS hack */
    animation-play-state: running;
    /* Simplify for static impl first */
}

/* Header */
/* Bootstrap Overrides & Custom Header */
/* Navbar Shadow & Styling */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    /* Grey shadow as requested */
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar-brand img {
    height: 50px;
    object-fit: contain;
}

.nav-link {
    font-family: var(--font-main);
    font-weight: 600;
    color: var(--text-dark) !important;
    position: relative;
    padding: 10px 20px !important;
    margin: 0 5px;
    border-radius: 15px;
    /* Soft rounded corners like a folded towel */
    transition: all 0.3s ease;
    background: transparent;
    white-space: nowrap;
}

/* "Soft Towel" Hover/Active Effect */
.nav-link:hover,
.nav-link.active {
    background-color: #f0f7ff;
    /* Soft secondary blue, like fresh linen */
    color: var(--primary-blue) !important;
    box-shadow: 0 4px 6px rgba(0, 150, 255, 0.1), inset 0 0 10px rgba(255, 255, 255, 0.8);
    transform: translateY(-2px);
}

/* Remove the old underline effect */
.nav-link.active::after {
    display: none;
}

/* Texture hint (optional, kept subtle) */
.nav-link:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    /* Stitching effect look */
    pointer-events: none;
}

.btn-fast-call {
    background-color: var(--primary-yellow);
    color: var(--text-dark);
    font-weight: 600;
    border-radius: 50px;
    padding: 10px 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(255, 225, 53, 0.3);
}

.btn-fast-call:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(255, 225, 53, 0.5);
    color: var(--text-dark);
}

/* Custom rounded navbar container if needed */
.navbar-rounded {
    border-radius: 50px;
    margin: 20px;
    width: auto;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 2;
}

.hero-content h1 span {
    color: var(--primary-yellow);
    -webkit-text-stroke: 1px var(--primary-blue);
    /* Outline effect */
    text-shadow: none;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin: 20px 0 30px;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    position: relative;
    z-index: 2;
}

.hero-image img {
    width: 100%;
    max-width: 600px;
    animation: float 6s ease-in-out infinite;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
    border-radius: 60px 60px 0 0;
    position: relative;
    z-index: 3;
    margin-top: -50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-card {
    background: var(--secondary-blue);
    padding: 40px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary-blue);
    box-shadow: var(--shadow-soft);
}

.eco-card {
    background: #E8F5E9;
    /* Light Green */
}

.eco-card .feature-icon {
    color: var(--eco-green);
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Mobile Nav */
.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Responsiveness */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 100vh;
        top: 0vh;
        /* Start from top */
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        /* Full width */
        transform: translateX(100%);
        transition: transform 0.3s ease-in;
        padding-top: 100px;
        z-index: 999;
    }

    .nav-links.nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
        z-index: 1000;
    }

    .hero {
        flex-direction: column-reverse;
        /* Image on top on mobile? No, Content on top usually is better for SEO, but visual hierarchy... let's keep standard stack */
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }

    .hero-content {
        margin-top: 40px;
    }

    h1 {
        font-size: 2.5rem;
    }
}

/* Footer */
footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 60px 0 20px;
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--primary-yellow);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-section p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.9);
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    margin-right: 15px;
}

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

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    font-size: 0.9rem;
}