/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ===== Design Tokens ===== */
:root {
    /* Colors */
    --color-primary: #5daf27;
    --color-primary-dark: #273556;
    --color-primary-light: #05f208;
    --color-accent: #05f208;
    --color-earth: #1e2a45;
    --color-earth-light: #3a4f7a;
    --color-bg: #fbffeb;
    --color-bg-alt: #C4dfff;
    --color-bg-white: #FFFFFF;
    --color-text: #212121;
    --color-text-light: #555555;
    --color-text-inverse: #FFFFFF;
    --color-border: #d4e4c8;
    --color-error: #C62828;
    --color-success: #5daf27;
    --color-recycling-blue: #273556;
    --color-recycling-blue-light: #C4dfff;
    --color-recycling-yellow: #5daf27;
    --color-recycling-yellow-light: #fbffeb;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --fs-hero: clamp(2.2rem, 5vw, 4rem);
    --fs-h1: clamp(1.8rem, 4vw, 3rem);
    --fs-h2: clamp(1.4rem, 3vw, 2.2rem);
    --fs-h3: clamp(1.1rem, 2vw, 1.5rem);
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    --line-height: 1.6;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1rem;
    --header-height: 70px;

    /* Borders & Shadows */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ===== CSS Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

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

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

ul, ol {
    list-style: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p {
    margin-bottom: var(--space-md);
}

/* ===== Layout Utilities ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-xl) 0;
}

.section--alt {
    background-color: var(--color-bg-alt);
}

.section--dark {
    background-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
}

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid > * {
    min-width: 0;
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
    :root {
        --container-padding: 1.5rem;
    }

    .grid--2 { grid-template-columns: repeat(2, 1fr); }
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    :root {
        --container-padding: 2rem;
    }

    .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
    .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 2rem;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-body);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

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

.btn--white:hover {
    background-color: transparent;
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== Cards ===== */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.card__img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card__body {
    padding: var(--space-lg);
    overflow: hidden;
}

.card__body .btn {
    white-space: normal;
    word-break: break-word;
    max-width: 100%;
    padding: 0.75rem 1rem;
}

.card__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.card__icon--blue {
    background: var(--color-recycling-blue-light);
    color: var(--color-recycling-blue);
}

.card__icon--yellow {
    background: var(--color-recycling-yellow-light);
    color: var(--color-recycling-yellow);
}

.card__title {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-sm);
    overflow-wrap: break-word;
    word-break: break-word;
}

.card__text {
    color: var(--color-text-light);
    font-size: var(--fs-small);
    margin-bottom: var(--space-md);
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header__subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--fs-small);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.section-header__title {
    font-size: var(--fs-h2);
    margin-bottom: var(--space-md);
}

.section-header__line {
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    margin: 0 auto;
    border-radius: var(--radius-full);
}

/* ===== Scroll Animations ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.fade-left {
    transform: translateX(-30px);
}

.animate-on-scroll.fade-left.visible {
    transform: translateX(0);
}

.animate-on-scroll.fade-right {
    transform: translateX(30px);
}

.animate-on-scroll.fade-right.visible {
    transform: translateX(0);
}

.animate-on-scroll.scale-in {
    transform: scale(0.9);
}

.animate-on-scroll.scale-in.visible {
    transform: scale(1);
}

/* ===== Blazor Error UI ===== */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* ===== Form Styles ===== */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--fs-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.form-control.invalid {
    border-color: var(--color-error);
}

.validation-message {
    color: var(--color-error);
    font-size: var(--fs-small);
    margin-top: var(--space-xs);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23757575' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}