/* =============================================
   PERSONAL WEBPAGE - TEAL THEME & SERIF FONT
   (Updated for Mark's homepage)
   ============================================= */

/* ---------- CSS RESET & BASE ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ---------- TEAL COLOR VARIABLES ---------- */
:root {
    --teal-deep: #0a3b3b;
    --teal-primary: #1a6f6f;
    --teal-medium: #2e8b8b;
    --teal-soft: #5fadad;
    --teal-pale: #cfecec;
    --teal-bg-light: #eff7f7;
    --white: #ffffff;
    --gray-light: #f5f7f7;
    --shadow-sm: 0 4px 12px rgba(0, 40, 40, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 40, 40, 0.12);
    --transition-default: all 0.25s ease;
}

/* ---------- GLOBAL TYPOGRAPHY & BODY ---------- */
body {
    font-family: 'Georgia', 'Times New Roman', Times, serif;
    background-color: var(--white);
    color: #1e2e2e;
    line-height: 1.6;
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', 'Times New Roman', Times, serif;
    font-weight: 600;
    line-height: 1.25;
    color: var(--teal-deep);
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    border-left: 4px solid var(--teal-primary);
    padding-left: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* Links */
a {
    color: var(--teal-primary);
    text-decoration: none;
    transition: var(--transition-default);
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--teal-deep);
    border-bottom-color: var(--teal-soft);
}

/* ---------- IMAGES (responsive & rounded) ---------- */
img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    margin: 1rem 0;
}

figure {
    margin: 1rem 0;
}

figcaption {
    font-size: 0.85rem;
    color: var(--teal-medium);
    text-align: left;
    margin-top: 0.25rem;
}

/* ---------- SECTION DIVIDER (replaces your dashed lines) ---------- */
hr.section-divider,
hr {
    border: none;
    border-top: 2px dashed var(--teal-pale);
    margin: 2rem 0;
}

/* ---------- LAYOUT CONTAINERS ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- HEADER & NAVIGATION ---------- */
.site-header {
    background-color: var(--white);
    border-bottom: 2px solid var(--teal-pale);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
    color: var(--teal-primary);
    letter-spacing: -0.5px;
    border-bottom: none;
}

.logo:hover {
    color: var(--teal-deep);
    border-bottom: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-weight: 500;
    font-size: 1.1rem;
    border-bottom: none;
    padding-bottom: 0.25rem;
    position: relative;
    color: #2c4a4a;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--teal-primary);
    transition: width 0.2s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* ---------- HERO SECTION (optional, for your future use) ---------- */
.hero {
    background: linear-gradient(135deg, var(--teal-bg-light) 0%, var(--white) 100%);
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 2rem 2rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    margin-bottom: 0.5rem;
    color: var(--teal-deep);
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--teal-primary);
    margin-bottom: 1rem;
    font-weight: 400;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-block;
    background-color: var(--teal-primary);
    color: white;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
    font-weight: 500;
    padding: 0.7rem 1.6rem;
    border-radius: 40px;
    border: none;
    cursor: pointer;
    transition: var(--transition-default);
    text-align: center;
    font-size: 1rem;
    letter-spacing: 0.3px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.btn:hover {
    background-color: var(--teal-deep);
    transform: translateY(-2px);
    color: white;
    border-bottom: none;
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--teal-primary);
    color: var(--teal-primary);
}

.btn-outline:hover {
    background: var(--teal-primary);
    color: white;
    transform: translateY(-2px);
}

/* ---------- CARD GRID (if you want to use it) ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
    border: 1px solid var(--teal-pale);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--teal-soft);
}

.card-content {
    padding: 1.5rem;
}

.card h3 {
    margin-top: 0;
    color: var(--teal-primary);
}

.card p {
    color: #2f4f4f;
    font-size: 0.95rem;
}

.card-link {
    text-decoration: none; /* removes underline */
    color: inherit; /* inherits text color from parent */
    display: inline-block; /* allows padding/margin to work */
}

.card-tag {
    display: inline-block;
    background: var(--teal-pale);
    color: var(--teal-deep);
    padding: 0.2rem 0.8rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.3px;
}

/* ---------- SKILLS / LIST STYLES (if you need them) ---------- */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    list-style: none;
    margin-top: 1rem;
}

.skills-list li {
    background: var(--teal-pale);
    color: var(--teal-deep);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ---------- CONTACT FORM (optional) ---------- */
.contact-form {
    max-width: 700px;
    background: var(--white);
    padding: 2rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--teal-pale);
    margin: 1.5rem 0;
}

.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--teal-deep);
}

input, textarea, select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbdcdc;
    border-radius: 16px;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition-default);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--teal-primary);
    box-shadow: 0 0 0 3px rgba(26, 111, 111, 0.2);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* ---------- FOOTER ---------- */
.site-footer {
    background-color: var(--teal-deep);
    color: #cfebeb;
    padding: 2.5rem 0 1.5rem;
    margin-top: 3rem;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.footer-copyright {
    font-size: 0.85rem;
    opacity: 0.85;
}

.social-links a {
    color: var(--teal-pale);
    margin-left: 1.5rem;
    font-size: 0.9rem;
    border-bottom: none;
    font-weight: 500;
}

.social-links a:hover {
    color: white;
    border-bottom: 1px solid var(--teal-soft);
}

/* ---------- RESPONSIVE DESIGN ---------- */
@media (max-width: 768px) {
    .container {
	padding: 0 1.5rem;
    }

    h1 {
	font-size: 2.2rem;
    }

    h2 {
	font-size: 1.7rem;
    }

    .header-inner {
	flex-direction: column;
	text-align: center;
    }

    .nav-links {
	gap: 1.5rem;
	flex-wrap: wrap;
	justify-content: center;
    }

    .card-grid {
	grid-template-columns: 1fr;
	gap: 1.5rem;
    }

    .footer-content {
	flex-direction: column;
	text-align: center;
    }

    .social-links a {
	margin: 0 0.75rem;
    }

    .hero {
	padding: 2rem 0;
    }
}

@media (max-width: 480px) {
    body {
	font-size: 0.95rem;
    }

    .btn {
	padding: 0.5rem 1.2rem;
	font-size: 0.9rem;
    }

    .contact-form {
	padding: 1.25rem;
    }
}

/* ---------- UTILITIES ---------- */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

blockquote {
    border-left: 4px solid var(--teal-primary);
    padding-left: 1.2rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: #2d5a5a;
}

::selection {
    background-color: var(--teal-pale);
    color: var(--teal-deep);
}