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

:root {
    --primary: #2d6a4f;
    --primary-dark: #1b4332;
    --primary-light: #52b788;
    --accent: #d4a373;
    --accent-dark: #b08968;
    --bg-cream: #fefae0;
    --bg-light: #f8f9f5;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #6b6b6b;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* ===== Header ===== */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-medium);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>') repeat;
    background-size: 100px 100px;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
    margin-bottom: 60px;
}

.hero-title {
    font-family: 'Amiri', serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Tajawal', sans-serif;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(212, 163, 115, 0.4);
}

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

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

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

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

.btn-small {
    padding: 10px 24px;
    font-size: 0.9rem;
}

.btn-full {
    width: 100%;
}

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

.btn-light:hover {
    background: var(--bg-cream);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.stat-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 25px 40px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 5px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* ===== Features Section ===== */
.features {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    font-family: 'Amiri', serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.link-arrow {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.link-arrow:hover {
    color: var(--accent);
}

/* ===== Recipes Section ===== */
.recipes-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.recipe-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.recipe-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    position: relative;
    overflow: hidden;
}

.recipe-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.recipe-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, #e8e8e8, #f5f5f5);
}

.recipe-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.recipe-content {
    padding: 25px;
}

.recipe-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.recipe-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.recipe-content p {
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.7;
}

/* ===== Tips Section ===== */
.tips-section {
    padding: 80px 0;
    background: var(--white);
}

.tips-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tips-content h2 {
    font-family: 'Amiri', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.tips-list {
    margin-bottom: 30px;
}

.tips-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.tips-list li:hover {
    background: var(--bg-cream);
    transform: translateX(-5px);
}

.tip-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.tips-list strong {
    display: block;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.tips-list p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.nutrition-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.plate-circle {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: conic-gradient(
        var(--primary-light) 0deg 90deg,
        var(--accent) 90deg 180deg,
        #e9c46a 180deg 270deg,
        #f4a261 270deg 360deg
    );
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    padding: 20px;
    gap: 4px;
    box-shadow: var(--shadow-hover);
}

.plate-quarter {
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-dark);
    text-align: center;
    padding: 10px;
}

.plate-quarter.green { background: #d8f3dc; color: var(--primary-dark); }
.plate-quarter.protein { background: #ffe5d9; color: #9d0208; }
.plate-quarter.carbs { background: #fff3b0; color: #6a4a11; }
.plate-quarter.fat { background: #ffd6a5; color: #7f4f24; }

.plate-caption {
    font-size: 1.1rem;
    color: var(--text-medium);
    font-weight: 500;
}

/* ===== Safety Banner ===== */
.safety-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    text-align: center;
    color: var(--white);
}

.safety-banner h2 {
    font-family: 'Amiri', serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.safety-banner p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* ===== Calculator Section ===== */
.calculator-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.calculator-section .section-title {
    margin-bottom: 40px;
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Tajawal', sans-serif;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}

.radio-label input[type="radio"] {
    width: auto;
    accent-color: var(--primary);
}

.calculator-results {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-placeholder {
    text-align: center;
    color: var(--text-light);
}

.placeholder-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 15px;
}

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

.results-content h3 {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1.05rem;
}

.result-item:last-child {
    border-bottom: none;
}

.result-value {
    font-weight: 700;
    color: var(--primary);
}

/* ===== Newsletter ===== */
.newsletter {
    padding: 80px 0;
    background: var(--bg-cream);
    text-align: center;
}

.newsletter h2 {
    font-family: 'Amiri', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.newsletter p {
    color: var(--text-medium);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    font-family: 'Tajawal', sans-serif;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-right: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Page Header ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    padding: 60px 0;
    text-align: center;
    color: var(--white);
}

.page-header h1 {
    font-family: 'Amiri', serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ===== Filter Section ===== */
.filter-section {
    padding: 30px 0;
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filter-section .container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-box {
    position: relative;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 14px 50px 14px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    font-size: 1rem;
    font-family: 'Tajawal', sans-serif;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-box .search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

.filter-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Tajawal', sans-serif;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* ===== Nutrition Categories ===== */
.nutrition-categories {
    padding: 60px 0;
    background: var(--bg-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.category-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.category-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 18px;
    line-height: 1.7;
}

.read-more {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--accent);
}

/* ===== Featured Article ===== */
.featured-article {
    padding: 60px 0;
    background: var(--white);
}

.featured-article .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.article-tag {
    display: inline-block;
    background: var(--accent);
    color: var(--white);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.article-content h2 {
    font-family: 'Amiri', serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-medium);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.article-meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.nutrition-facts-visual {
    background: var(--white);
    border: 2px solid var(--text-dark);
    border-radius: var(--radius);
    padding: 25px;
    max-width: 300px;
    margin: 0 auto;
}

.facts-label {
    font-size: 1.5rem;
    font-weight: 700;
    border-bottom: 8px solid var(--text-dark);
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.fact-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 0.95rem;
}

.fact-row .value {
    font-weight: 600;
}

.fact-divider {
    border-bottom: 4px solid var(--text-dark);
    margin: 10px 0;
}

/* ===== Daily Needs ===== */
.daily-needs {
    padding: 60px 0;
    background: var(--bg-light);
}

.needs-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.need-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.need-bar-container {
    flex: 1;
    height: 35px;
    background: #e0e0e0;
    border-radius: 20px;
    overflow: hidden;
}

.need-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 20px;
    transition: width 1s ease;
}

.need-bar.protein {
    background: linear-gradient(90deg, #e63946, #f4845f);
}

.need-bar.fat {
    background: linear-gradient(90deg, #f4a261, #e9c46a);
}

.need-bar.fiber {
    background: linear-gradient(90deg, #2a9d8f, #57cc99);
}

.need-bar.water {
    background: linear-gradient(90deg, #457b9d, #a8dadc);
}

.need-info {
    min-width: 120px;
}

.need-info h4 {
    font-size: 1rem;
    color: var(--text-dark);
}

.need-info p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.need-percent {
    font-weight: 700;
    color: var(--primary);
    min-width: 60px;
    text-align: left;
}

/* ===== Vitamins Section ===== */
.vitamins-section {
    padding: 60px 0;
    background: var(--white);
}

.vitamins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
}

.vitamin-card {
    background: var(--bg-light);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.vitamin-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.vitamin-letter {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 15px;
    font-family: 'Amiri', serif;
}

.vitamin-card h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.vitamin-source {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .tips-section .container,
    .featured-article .container {
        grid-template-columns: 1fr;
    }

    .calculator-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        gap: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .stat-card {
        width: 100%;
        max-width: 250px;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2.2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .plate-circle {
        width: 250px;
        height: 250px;
    }

    .newsletter-form {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .features-grid,
    .recipes-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
}