/**
 * Content EEAT Score Tool Free - Main Stylesheet
 * Brand Colors: #edb826 (Primary), #2b2b2b (Secondary)
 */

/* ===== CSS Variables ===== */
:root {
    /* Brand Colors */
    --primary-color: #edb826;
    --secondary-color: #2b2b2b;
    --primary-dark: #d4a320;
    --secondary-light: #3d3d3d;
    
    /* Light Theme Colors */
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-color: #2b2b2b;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --h1-size: 3rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --normal-size: 1rem;
    --small-size: 0.875rem;
    
    /* Spacing */
    --header-height: 70px;
    --section-padding: 5rem 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --bg-secondary: #2b2b2b;
    --text-color: #f0f0f0;
    --text-secondary: #b0b0b0;
    --border-color: #3d3d3d;
    --card-bg: #252525;
    --shadow: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--normal-size);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: var(--transition);
}

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

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: var(--font-family);
    transition: var(--transition);
}

input, textarea {
    font-family: var(--font-family);
    outline: none;
    transition: var(--transition);
}

/* ===== Utility Classes ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: var(--section-padding);
}

.section__title {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.section__description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.hidden {
    display: none !important;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--shadow-hover);
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    box-shadow: 0 2px 8px var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-color);
}

.nav__logo-img {
    width: 40px;
    height: 40px;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav__link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

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

.theme-toggle {
    background-color: transparent;
    color: var(--text-color);
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--bg-secondary);
}

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: calc(var(--header-height) + 4rem) 0 4rem;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-icons i {
    position: absolute;
    color: var(--primary-color);
    opacity: 0.1;
    font-size: 3rem;
    animation: float 20s infinite ease-in-out;
}

.floating-icons i:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icons i:nth-child(2) {
    top: 20%;
    left: 80%;
    animation-delay: 2s;
}

.floating-icons i:nth-child(3) {
    top: 40%;
    left: 15%;
    animation-delay: 4s;
}

.floating-icons i:nth-child(4) {
    top: 60%;
    left: 70%;
    animation-delay: 6s;
}

.floating-icons i:nth-child(5) {
    top: 80%;
    left: 20%;
    animation-delay: 8s;
}

.floating-icons i:nth-child(6) {
    top: 30%;
    left: 50%;
    animation-delay: 10s;
}

.floating-icons i:nth-child(7) {
    top: 70%;
    left: 85%;
    animation-delay: 12s;
}

.floating-icons i:nth-child(8) {
    top: 50%;
    left: 40%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-30px) rotate(5deg);
    }
    50% {
        transform: translateY(-60px) rotate(-5deg);
    }
    75% {
        transform: translateY(-30px) rotate(5deg);
    }
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== EEAT Info Section ===== */
.eeat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.eeat-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.eeat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.eeat-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    color: var(--secondary-color);
    font-size: 2rem;
}

.eeat-card__title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.eeat-card__description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Tool Section ===== */
.tool {
    background-color: var(--bg-secondary);
}

.tool__container {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 8px 24px var(--shadow);
}

.tool__tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tool__tab {
    background: transparent;
    color: var(--text-secondary);
    padding: 1rem 2rem;
    font-weight: 600;
    font-size: 1rem;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool__tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

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

.tool__textarea {
    width: 100%;
    padding: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    min-height: 300px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.tool__textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(237, 184, 38, 0.1);
}

.tool__url-input {
    width: 100%;
    padding: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.tool__url-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(237, 184, 38, 0.1);
}

.tool__word-count {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: var(--small-size);
    text-align: right;
}

.tool__word-count span {
    font-weight: 600;
    color: var(--primary-color);
}

.tool__note {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: var(--small-size);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool__note i {
    color: var(--primary-color);
}

.tool__input-section .btn-large {
    width: 100%;
    margin-top: 2rem;
}

/* ===== Results Section ===== */
.tool__results {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool__results-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.overall-score {
    text-align: center;
    margin-bottom: 3rem;
}

.overall-score__circle {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 1s ease;
    stroke-linecap: round;
}

.progress-ring__circle-bg {
    stroke: var(--border-color);
}

.overall-score__value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.score-max {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.overall-score__label {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.overall-score__grade {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===== Individual Scores ===== */
.individual-scores {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.score-item {
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 12px;
}

.score-item__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-color);
}

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

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

.score-bar {
    flex: 1;
    height: 12px;
    background-color: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.score-bar__fill {
    height: 100%;
    width: 0;
    background-color: var(--primary-color);
    border-radius: 6px;
    transition: width 1s ease, background-color 0.3s ease;
}

.score-item__value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
    min-width: 50px;
    text-align: right;
}

/* ===== Suggestions ===== */
.suggestions {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.suggestions__title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--text-color);
}

.suggestions__title i {
    color: var(--primary-color);
}

.suggestion-item {
    background-color: var(--card-bg);
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
}

.suggestion-item:last-child {
    margin-bottom: 0;
}

.suggestion-item--high {
    border-left-color: #f44336;
}

.suggestion-item--medium {
    border-left-color: var(--primary-color);
}

.suggestion-item--low {
    border-left-color: #2196f3;
}

.suggestion-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.suggestion-item__category {
    font-weight: 600;
    color: var(--text-color);
}

.suggestion-item__priority {
    font-size: var(--small-size);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.suggestion-item__text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.no-suggestions {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    padding: 2rem;
}

/* ===== Benefits Section ===== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 24px var(--shadow-hover);
}

.benefit-card__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    font-size: 2rem;
    color: var(--secondary-color);
}

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--secondary-color);
}

.cta__content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta__title {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.cta__description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-primary:hover {
    background-color: var(--secondary-light);
}

.cta .btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

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

/* ===== Ad Placement ===== */
.ad-container {
    margin: 3rem auto;
}

.ad-placeholder {
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--small-size);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--secondary-color);
    color: #f0f0f0;
    padding: 4rem 0 2rem;
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer__logo img {
    width: 40px;
    height: 40px;
}

.footer__description {
    color: #b0b0b0;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(237, 184, 38, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
    transition: var(--transition);
}

.footer__social-link:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer__title {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__links a {
    color: #b0b0b0;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0b0b0;
}

/* ===== Responsive Design ===== */
@media screen and (max-width: 968px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.5rem;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background-color: var(--card-bg);
        box-shadow: -4px 0 12px var(--shadow);
        padding: 4rem 2rem 2rem;
        transition: right 0.4s ease;
        z-index: 1000;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 2rem;
    }

    .nav__toggle {
        display: block;
    }

    .footer__container {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer__column:first-child {
        grid-column: 1 / -1;
    }

    .tool__container {
        padding: 2rem 1.5rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
    }
}

@media screen and (max-width: 576px) {
    .container {
        padding: 0 1rem;
    }

    :root {
        --section-padding: 3rem 0;
    }

    .hero {
        min-height: 500px;
        padding: calc(var(--header-height) + 2rem) 0 2rem;
    }

    .eeat-cards,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .tool__tabs {
        flex-direction: column;
        gap: 0;
    }

    .tool__tab {
        border-bottom: 1px solid var(--border-color);
        border-left: 3px solid transparent;
        margin-bottom: 0;
        margin-left: -2px;
        justify-content: flex-start;
    }

    .tool__tab.active {
        border-bottom-color: var(--border-color);
        border-left-color: var(--primary-color);
    }

    .footer__container {
        grid-template-columns: 1fr;
    }

    .footer__column:first-child {
        grid-column: 1;
    }

    .score-number {
        font-size: 2rem;
    }

    .score-max {
        font-size: 1rem;
    }
}

/* ===== Animations ===== */
.animate-in {
    animation: slideInUp 0.6s ease forwards;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}