/* ============================================
   Plastic Straw Alternative — Niche Site Styles
   ============================================ */

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

:root {
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --sand-50: #fefce8;
    --sand-100: #fef9c3;
    --amber-500: #f59e0b;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--slate-800);
    line-height: 1.7;
    background: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-family: 'Playfair Display', Georgia, serif; }

a {
    color: var(--green-600);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover { color: var(--green-800); }

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--green-600);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--green-700);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* Top Bar */
.top-bar {
    background: var(--green-800);
    color: var(--green-100);
    text-align: center;
    padding: 8px 16px;
    font-size: 0.8rem;
}

.top-bar a {
    color: var(--green-200);
    text-decoration: underline;
}

/* Navbar */
.navbar {
    background: var(--white);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--slate-100);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--slate-800);
}

.logo:hover { color: var(--slate-800); }

.logo-icon { font-size: 1.4rem; }

.logo-dot { color: var(--green-600); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    color: var(--slate-600);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-links a:hover { color: var(--green-600); }

.nav-cta {
    background: var(--green-600);
    color: var(--white) !important;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
}

.nav-cta:hover {
    background: var(--green-700);
    color: var(--white) !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--slate-700);
    transition: 0.3s;
}

/* Hero */
.hero {
    background: linear-gradient(rgba(20, 83, 45, 0.78), rgba(22, 101, 52, 0.82)),
                url('images/seaturtle.jpg') center/cover no-repeat;
    color: var(--white);
    padding: 80px 0 90px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--green-100);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat strong {
    font-size: 2rem;
    font-weight: 800;
}

.stat span {
    font-size: 0.85rem;
    color: var(--green-200);
}

.hero .btn-primary {
    background: var(--white);
    color: var(--green-800);
    font-weight: 700;
}

.hero .btn-primary:hover {
    background: var(--green-50);
    color: var(--green-900);
}

/* Quick Picks */
.quick-picks {
    padding: 60px 0;
    background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
}

.section-label {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--green-600);
    margin-bottom: 32px;
}

.quick-picks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.quick-pick-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid transparent;
    color: var(--slate-800);
}

.quick-pick-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--green-400);
    color: var(--slate-800);
}

.quick-pick-card.featured {
    border-color: var(--green-500);
    position: relative;
}

.pick-badge {
    display: inline-block;
    background: var(--green-100);
    color: var(--green-700);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.pick-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.quick-pick-card h3 {
    font-size: 1.15rem;
    margin-bottom: 6px;
}

.quick-pick-card p {
    color: var(--slate-500);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.pick-price {
    font-weight: 700;
    color: var(--green-600);
    font-size: 1rem;
}

/* Why Switch */
.why-switch {
    padding: 80px 0;
    text-align: center;
}

.why-switch h2 {
    font-size: 2rem;
    margin-bottom: 48px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.why-card {
    padding: 32px 24px;
}

.why-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--green-600);
    margin-bottom: 8px;
}

.why-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.why-card p {
    color: var(--slate-500);
    font-size: 0.95rem;
}

/* Products */
.products {
    padding: 80px 0;
    background: var(--slate-50);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 12px;
}

.section-intro {
    text-align: center;
    color: var(--slate-500);
    max-width: 600px;
    margin: 0 auto 48px;
    font-size: 1.05rem;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 32px;
    overflow: hidden;
    border: 1px solid var(--slate-200);
    position: relative;
}

.product-badge {
    display: inline-block;
    background: var(--green-600);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.product-badge.accent {
    background: var(--amber-500);
}

.product-content {
    padding: 40px;
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
}

.product-header h3 {
    font-size: 1.6rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    color: var(--amber-500);
    font-size: 1.1rem;
}

.rating-text {
    font-weight: 600;
    color: var(--slate-600);
}

.product-tagline {
    color: var(--slate-500);
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.product-info h4 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--slate-700);
}

.pros, .cons {
    list-style: none;
    margin-bottom: 24px;
}

.pros li, .cons li {
    padding: 6px 0 6px 28px;
    position: relative;
    font-size: 0.95rem;
    color: var(--slate-600);
}

.pros li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green-500);
    font-weight: 700;
}

.cons li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--slate-400);
    font-weight: 700;
}

.product-specs {
    background: var(--slate-50);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.spec {
    font-size: 0.9rem;
    color: var(--slate-600);
}

.spec strong {
    color: var(--slate-700);
}

.product-cta {
    text-align: center;
    padding-top: 8px;
}

.product-cta .btn {
    min-width: 240px;
}

.affiliate-note {
    font-size: 0.75rem;
    color: var(--slate-400);
    margin-top: 8px;
}

/* Comparison Table */
.comparison {
    padding: 80px 0;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--slate-200);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 700px;
}

thead {
    background: var(--green-800);
    color: var(--white);
}

th {
    padding: 16px 20px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

th:first-child {
    text-align: left;
}

td {
    padding: 14px 20px;
    text-align: center;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--slate-100);
}

td:first-child {
    text-align: left;
    background: var(--slate-50);
}

tr:hover td {
    background: var(--green-50);
}

tr:hover td:first-child {
    background: var(--green-100);
}

.table-rating {
    color: var(--amber-500);
    font-weight: 600;
}

.check {
    color: var(--green-500);
    font-weight: 700;
    font-size: 1.1rem;
}

.cross {
    color: var(--slate-400);
    font-size: 1.1rem;
}

.cta-row td {
    padding: 20px;
    border-bottom: none;
}

.table-btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--green-600);
    color: var(--white) !important;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    transition: background 0.2s;
}

.table-btn:hover {
    background: var(--green-700);
}

/* Newsletter */
.newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--green-700) 0%, var(--green-900) 100%);
    color: var(--white);
    text-align: center;
}

.newsletter-content {
    max-width: 560px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.newsletter p {
    color: var(--green-100);
    margin-bottom: 28px;
    font-size: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.1);
    color: var(--white);
    font-size: 1rem;
    outline: none;
    backdrop-filter: blur(4px);
}

.newsletter-form input[type="email"]::placeholder {
    color: rgba(255,255,255,0.6);
}

.newsletter-form input[type="email"]:focus {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
}

.newsletter-form .btn-primary {
    background: var(--white);
    color: var(--green-800);
    white-space: nowrap;
}

.newsletter-form .btn-primary:hover {
    background: var(--green-50);
}

.newsletter-privacy {
    font-size: 0.8rem !important;
    color: rgba(255,255,255,0.5) !important;
}

/* Buyer's Guide */
.buyers-guide {
    padding: 80px 0;
    background: var(--slate-50);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.guide-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--slate-200);
    transition: box-shadow 0.2s;
}

.guide-card:hover {
    box-shadow: var(--shadow-md);
}

.guide-card h3 {
    font-size: 1.05rem;
    margin-bottom: 12px;
    color: var(--green-800);
}

.guide-card p {
    color: var(--slate-600);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.guide-link {
    font-weight: 600;
    font-size: 0.9rem;
}

/* FAQ */
.faq {
    padding: 80px 0;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--slate-200);
}

.faq-item summary {
    padding: 20px 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--slate-800);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--green-600);
    transition: transform 0.2s;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item p {
    padding: 0 0 20px;
    color: var(--slate-600);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Bottom CTA */
.bottom-cta {
    padding: 80px 0;
    background: var(--green-50);
    text-align: center;
}

.bottom-cta h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.bottom-cta p {
    color: var(--slate-600);
    max-width: 500px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
}

/* Footer */
.footer {
    background: var(--slate-900);
    color: var(--slate-300);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-about h3 {
    color: var(--white);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--slate-400);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--green-400);
}

.footer-disclosure {
    border-top: 1px solid var(--slate-700);
    padding: 32px 0;
}

.footer-disclosure h4 {
    color: var(--slate-400);
    font-size: 0.85rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-disclosure p {
    font-size: 0.8rem;
    color: var(--slate-500);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid var(--slate-800);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--slate-500);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--slate-100);
    }

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

    .hero {
        padding: 50px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat strong {
        font-size: 1.5rem;
    }

    .quick-picks-grid {
        grid-template-columns: 1fr;
        max-width: 360px;
        margin: 0 auto;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-content {
        padding: 24px;
    }

    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .product-header h3 {
        font-size: 1.3rem;
    }

    .product-badge {
        font-size: 0.7rem;
    }

    .product-specs {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .section-title {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .container {
        padding: 0 16px;
    }
}