/* =========================================
   1. RESET & VARIABLES
   ========================================= */
:root {
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-text-light: #555555;
    --color-border: #000000;
    
    --font-main: 'Poppins', sans-serif;
    
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    
    --radius-std: 12px;
    --radius-pill: 50px;
    
    --container-width: 680px; /* Limits width for that 'Linktree' look on desktop */
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* =========================================
   2. UTILITIES & LAYOUT
   ========================================= */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-bottom: var(--spacing-xl);
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

/* Images & Icons defaults */
img, svg {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    display: inline-block;
}

ul {
    list-style: none;
}

/* =========================================
   3. HERO SECTION
   ========================================= */
.hero-section {
    text-align: center;
    padding: 60px 0 40px;
}

.profile-wrapper {
    margin: 0 auto var(--spacing-md);
    width: 120px;
    height: 120px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-border);
    background-color: #f0f0f0; /* Placeholder gray */
}

.hero-name {
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-sm);
}

.hero-bio {
    font-weight: 400;
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 400px;
    margin: 0 auto;
}

/* =========================================
   4. FEATURED SECTION
   ========================================= */
.featured-section {
    margin-bottom: var(--spacing-lg);
}

.featured-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-text); /* Solid Black */
    color: var(--color-bg); /* White Text */
    padding: var(--spacing-lg);
    border-radius: var(--radius-std);
    transition: transform var(--transition-speed) ease;
}

.featured-card:hover {
    transform: translateY(-3px);
}

.badge {
    display: inline-block;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.featured-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.icon-arrow img {
    width: 24px;
    height: 24px;
    filter: invert(1); /* Turns black icons to white */
}

/* =========================================
   5. LINKS SECTION (The Grid)
   ========================================= */
.links-section {
    margin-bottom: var(--spacing-xl);
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.link-card {
    display: flex;
    align-items: center;
    padding: 18px 24px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-std);
    background-color: transparent;
    transition: all var(--transition-speed) cubic-bezier(0.25, 0.8, 0.25, 1);
}

.link-icon-wrapper {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.link-icon {
    width: 100%;
    height: 100%;
    transition: filter var(--transition-speed) ease;
}

.link-text {
    flex-grow: 1;
}

.link-title {
    display: block;
    font-weight: 600;
    font-size: 1rem;
}

.link-subtitle {
    display: block;
    font-weight: 300;
    font-size: 0.85rem;
    color: var(--color-text-light);
    transition: color var(--transition-speed) ease;
}

/* HOVER EFFECTS: Invert Colors */
.link-card:hover {
    background-color: var(--color-text); /* Becomes Black */
    color: var(--color-bg); /* Text Becomes White */
    transform: scale(1.02); /* Subtle grow */
}

.link-card:hover .link-subtitle {
    color: #cccccc; /* Light gray for subtitle on dark bg */
}

.link-card:hover .link-icon {
    filter: invert(1); /* Turns black SVG icons white instantly */
}

/* =========================================
   6. ABOUT & CONTACT SECTIONS
   ========================================= */
.about-section, 
.contact-section {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.section-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content p,
.contact-sub {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.email-wrapper {
    margin-bottom: var(--spacing-lg);
}

.email-link {
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 2px;
}

.email-link:hover {
    opacity: 0.7;
}

/* FORM STYLES */
.contact-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

/* Minimal Input Style */
input, textarea {
    width: 100%;
    padding: 14px;
    font-family: var(--font-main);
    font-size: 1rem;
    background-color: #fafafa;
    border: 2px solid #e0e0e0; /* Light gray border initially */
    border-radius: var(--radius-std);
    outline: none;
    transition: border-color var(--transition-speed);
}

input:focus, textarea:focus {
    border-color: var(--color-border); /* Black on focus */
    background-color: #fff;
}

textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background-color: var(--color-text);
    color: var(--color-bg);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-std);
    cursor: pointer;
    transition: opacity var(--transition-speed);
}

.btn-submit:hover {
    opacity: 0.8;
}

/* =========================================
   7. FOOTER
   ========================================= */
.site-footer {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: auto;
    padding-top: var(--spacing-lg);
}

.built-with {
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    opacity: 0.7;
}

/* =========================================
   8. RESPONSIVE ADJUSTMENTS
   ========================================= */
@media (max-width: 480px) {
    .hero-name {
        font-size: 1.75rem;
    }
    
    .link-card {
        padding: 14px 18px;
    }
    
    .link-title {
        font-size: 0.95rem;
    }
    
    .section-heading {
        font-size: 1.25rem;
    }
}