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

:root {
    --orange: #FF6B35;
    --dark-orange: #E85A2B;
    --black: #1a1a1a;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--light-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
header {
    background-color: var(--white);
    padding: 2rem 1rem;
    text-align: center;
    border-bottom: 4px solid var(--orange);
    box-shadow: 0 2px 10px var(--shadow);
}

.logo {
    max-width: 200px;
    height: auto;
    margin: 0 auto 1rem;
    display: block;
}

h1 {
    font-size: 2rem;
    color: var(--black);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.tagline {
    color: #666;
    font-size: 0.95rem;
    font-weight: 400;
}

/* Main Content */
main {
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
    width: 100%;
    flex: 1;
}

.links-section {
    margin-bottom: 3rem;
}

.links-section h2 {
    font-size: 1.5rem;
    color: var(--black);
    margin-bottom: 1rem;
    padding-left: 0.5rem;
    border-left: 4px solid var(--orange);
}

.link-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

/* Link Cards */
.link-card {
    background-color: var(--white);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: var(--black);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
    display: block;
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--orange);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.link-card:hover,
.link-card:focus {
    border-color: var(--orange);
    box-shadow: 0 4px 16px var(--shadow-hover);
    transform: translateY(-2px);
}

.link-card:hover::before,
.link-card:focus::before {
    transform: scaleY(1);
}

.link-card:active {
    transform: translateY(0);
}

.link-title {
    font-size: 1.1rem;
    font-weight: 600;
    display: block;
}

.link-card.social {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.link-card.social i {
    font-size: 1.5rem;
    color: var(--orange);
}

/* Contact Section */
.contact-section {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.contact-section h2 {
    font-size: 1.5rem;
    color: var(--black);
    margin-bottom: 1.5rem;
    padding-left: 0.5rem;
    border-left: 4px solid var(--orange);
}

.contact-info p {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.contact-info a {
    color: var(--orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--dark-orange);
    text-decoration: underline;
}

.address {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.directions-btn {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.875rem 2rem;
    background-color: var(--orange);
    color: var(--white) !important;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
}

.directions-btn:hover,
.directions-btn:focus {
    background-color: var(--dark-orange);
    color: var(--white) !important;
    box-shadow: 0 4px 12px var(--shadow-hover);
    transform: translateY(-2px);
}

.directions-btn:active {
    transform: translateY(0);
}

.directions-btn:focus-visible {
    outline: 3px solid var(--black);
    outline-offset: 2px;
}

/* Footer */
footer {
    background-color: var(--black);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 1rem;
    margin-top: auto;
}

footer p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

footer p:last-child {
    margin-bottom: 0;
}

.github-link {
    font-size: 0.85rem;
}

.github-link a {
    color: var(--orange);
    text-decoration: none;
    transition: color 0.3s ease;
}

.github-link a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* Tablet Styles */
@media (min-width: 600px) {
    .logo {
        max-width: 250px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .link-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    main {
        padding: 2rem 1.5rem;
    }
}

/* Desktop Styles */
@media (min-width: 900px) {
    header {
        padding: 3rem 2rem;
    }

    .logo {
        max-width: 300px;
    }

    h1 {
        font-size: 3rem;
    }

    main {
        padding: 3rem 2rem;
    }

    .links-section h2 {
        font-size: 1.75rem;
    }

    .link-card {
        padding: 1.5rem 2rem;
    }

    .link-title {
        font-size: 1.2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
.link-card:focus-visible {
    outline: 3px solid var(--orange);
    outline-offset: 2px;
}