/*
|--------------------------------------------------------------------------
| III. CSS STYLING: Professionalism & Elegance 
|--------------------------------------------------------------------------
| Defines the core variables, resets, and layout styling.
*/

/* 1. Customization Variables */
:root {
    /* Softer Color Palette */
    --color-primary: #2c3e50; /* Softer, desaturated blue */
    --color-accent: #27ae60;  /* Softer green */
    --color-background: #fdfdfd; /* Off-white */
    --color-text-dark: #34495e;
    --color-text-light: #ecf0f1;
    --color-light-bg: #f5f5f5; /* Warmer light gray */

    /* Typography */
    --font-family-primary: 'Roboto', sans-serif;
    --font-size-scale-h1: 3rem;
    --font-size-scale-h2: 2rem;
    --font-size-base: 1rem;
    
    /* Layout */
    --padding-section: 5rem 0;
    --container-width: 1200px;
    
    /* Shadows */
    --shadow-subtle: 0 4px 8px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 2. Base Reset and General Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    background-color: var(--color-background);
    line-height: 1.6;
}

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 0.5em;
    font-weight: 700;
}

h1 { font-size: var(--font-size-scale-h1); }
h2 { font-size: var(--font-size-scale-h2); }
h3 { font-size: 1.5rem; }

a {
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.section-heading {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-primary);
}

.subtext {
    text-align: center;
    margin: -1rem auto 2rem auto;
    max-width: 600px;
    font-size: 1.1rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #152c4b; /* Darker primary */
}

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

.btn-accent:hover {
    background-color: #00823a; /* Darker accent */
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 163, 73, 0.3);
}

.btn-nav {
    border: 2px solid var(--color-primary);
    background-color: transparent;
    color: var(--color-primary);
    padding: 0.5rem 1.5rem;
}

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

.btn-cta {
    background-color: var(--color-accent);
    color: var(--color-background);
    font-size: 1.25rem;
    margin-top: 1.5rem;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

/* 3. Header and Navigation */
.header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
}

.nav-links ul {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
}

.nav-links a:not(.btn):hover {
    color: var(--color-accent);
}

.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* 4. Hero Section */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.hero-text h1 {
    color: var(--color-primary);
}

.calculator-section {
    padding: var(--padding-section);
    background-color: var(--color-light-bg);
}

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

.debt-row-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 1rem;
    padding: 0 1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

.debt-header {
    text-align: left;
}

.debt-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 1rem;
    align-items: center;
    background: var(--color-background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow-subtle);
}

.debt-row input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.delete-debt-btn {
    background: none;
    border: none;
    color: #cc0000;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.calculator-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: space-between;
    align-items: center;
    background: var(--color-background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.extra-payment-input {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.extra-payment-input input {
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 150px;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
}

.results-container {
    margin-top: 3rem;
    background: var(--color-background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.hidden {
    display: none;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.result-card {
    background: var(--color-light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.result-card h3 {
    color: var(--color-primary);
}

.error {
    color: #cc0000;
    text-align: center;
    font-weight: bold;
}



/* 6. Features/Value Prop Section */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: center;
}

.feature-card .icon-placeholder {
    width: 100px;
    height: 100px;
    line-height: 100px;
    font-size: 2.5rem;
}

/* 7. Debt Solutions Section */
.solution-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.solution-item:nth-child(even) {
    direction: rtl;
}

.solution-item:nth-child(even) > * {
    direction: ltr;
}

.graphic-placeholder {
    height: 300px;
    background-color: var(--color-light-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

/* 8. Social Proof Section */
.logo-bar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 4rem;
    filter: grayscale(100%);
    opacity: 0.7;
}

.logo-placeholder {
    font-size: 1.2rem;
    font-weight: 600;
    color: #888;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-subtle);
    border-left: 5px solid var(--color-accent);
}

.testimonial-card .quote {
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-card .source {
    font-weight: 600;
    color: var(--color-primary);
}

/* 9. Final CTA & Footer */
.final-cta {
    text-align: center;
    padding: 4rem 0;
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.final-cta h2 {
    color: var(--color-background);
}

.footer {
    background-color: var(--color-text-dark);
    color: var(--color-text-light);
    padding: 2rem 0;
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a,
.social-links a {
    color: var(--color-text-light);
    margin-left: 1.5rem;
}

.footer-links a:hover,
.social-links a:hover {
    color: var(--color-accent);
}

/* 10. Blog Styles */
.blog-list h2 {
    color: var(--color-primary);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-light-bg);
    padding-bottom: 0.5rem;
}

.blog-list ul {
    list-style: disc;
    padding-left: 20px;
}

.blog-list ul li {
    margin-bottom: 0.75rem;
}

.blog-list ul li a {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Article Page Styles */
.section h1 {
    margin-bottom: 1rem;
}

.section h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-light-bg);
    padding-bottom: 0.5rem;
}

.section p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* New Results Styles */
.results-title {
    text-align: center;
    color: var(--color-primary);
}

.results-summary {
    text-align: center;
    font-size: 1.1rem;
    margin: -1rem auto 2rem;
    max-width: 700px;
}

.key-metrics-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    background: var(--color-light-bg);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid transparent;
}

.metric-card.optimal {
    border-color: var(--color-accent);
    background: #e6f6ec;
}

.metric-card h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.metric-value.baseline {
    text-decoration: line-through;
    color: #888;
    font-size: 1.5rem;
}

.metric-value.accent {
    color: var(--color-accent);
}

.metric-value.saved {
    color: var(--color-accent);
}

.sub-value {
    font-size: 0.9rem;
    color: #666;
}

.comparison-heading {
    text-align: center;
    margin-bottom: 1rem;
}

.strategy-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: var(--color-light-bg);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2.5rem;
}

.strategy-table > div {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

.strategy-table .table-header {
    background: var(--color-primary);
    color: var(--color-background);
    font-weight: 600;
}

.optimal-row {
    background: #d4edda;
    font-weight: 700;
}

.chart-container {
    position: relative;
    height: 40vh;
    min-height: 300px;
    margin-bottom: 2.5rem;
}


.final-conversion-cta {
    text-align: center;
    background: var(--color-primary);
    color: var(--color-background);
    padding: 2rem;
    border-radius: 8px;
}

.final-conversion-cta h3 {
    color: var(--color-background);
}

.results-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* RESPONSIVENESS */

/* Tablet and smaller desktops */
@media (max-width: 992px) {
    .debt-row {
        grid-template-columns: 1fr 1fr; /* Stack into 2x2 grid */
    }

    .debt-row .debt-name {
        grid-column: 1 / -1; /* Name takes full width */
    }
    
    .solution-item,
    .solution-item:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 2rem;
        direction: ltr;
    }
}

/* Mobile devices */
@media (max-width: 768px) {
    :root {
        --font-size-scale-h1: clamp(2rem, 8vw, 2.5rem);
        --font-size-scale-h2: clamp(1.5rem, 6vw, 1.75rem);
        --padding-section: 3rem 0;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-background);
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        display: none;
    }

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

    .nav-links ul {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .nav-links ul li {
        padding: 0.5rem 0;
        width: 100%;
    }
    
    .nav-links ul li a {
        display: block;
    }

    .hamburger-menu {
        display: block;
    }
    
    .debt-row {
        grid-template-columns: 1fr; /* Stack all inputs vertically */
    }

    .calculator-controls {
        flex-direction: column;
        gap: 1rem;
    }
    
    .strategy-table {
        display: block;
    }
    .strategy-table > div {
        display: grid;
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    .table-header {
        display: none !important;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }
}