/* =========================================
   fernandosigala.com — stylesheet
   Theme: Sage green / pastel / moderate dark
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@300;400;500&display=swap');

/* ---- CSS Variables ---- */
:root {
    --bg:           #161c1a;
    --surface:      #1e2724;
    --surface-2:    #253029;
    --text:         #e4ece6;
    --muted:        #7f9e88;
    --accent:       #7fad85;
    --accent-light: #a8c9ad;
    --pastel-mint:  #c4ddd0;
    --pastel-peach: #e8cfc0;
    --border:       rgba(127, 173, 133, 0.18);
    --border-soft:  rgba(127, 173, 133, 0.08);

    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body:    'Jost', sans-serif;

    --radius:       6px;
    --max-width:    860px;
    --nav-height:   64px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* subtle noise grain overlay */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

main {
    flex: 1;
}

/* ---- Typography ---- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 300; }
h3 { font-size: 1.15rem; font-weight: 400; color: var(--accent-light); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover { color: var(--pastel-mint); }

/* ---- Navigation ---- */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    background-color: rgba(22, 28, 26, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

nav .nav-logo {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--text);
    letter-spacing: 0.01em;
    white-space: nowrap;
}
nav .nav-logo:hover { color: var(--pastel-mint); }

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav ul li a {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.2s;
}
nav ul li a:hover,
nav ul li a.active { color: var(--pastel-mint); }

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--muted);
    transition: all 0.25s;
}

/* ---- Page Layout ---- */
.page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem 5rem;
}

.page-header {
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.page-header h1 {
    margin-bottom: 0.4rem;
}

.page-subtitle {
    color: var(--muted);
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: var(--font-body);
    font-weight: 300;
}

/* ---- Hero ---- */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    position: relative;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 32px;
    height: 1px;
    background: var(--accent);
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 300;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.05;
}

.hero h1 em {
    font-style: italic;
    color: var(--accent-light);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 300;
    font-style: italic;
    color: var(--muted);
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Decorative accent line */
.hero::before {
    content: '';
    position: absolute;
    top: 4rem;
    right: 2rem;
    width: 180px;
    height: 180px;
    border: 1px solid var(--border);
    border-radius: 50%;
    opacity: 0.4;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    top: 4.8rem;
    right: 2.8rem;
    width: 164px;
    height: 164px;
    border: 1px solid var(--border-soft);
    border-radius: 50%;
    opacity: 0.3;
    pointer-events: none;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg);
}
.btn-primary:hover {
    background-color: var(--pastel-mint);
    color: var(--bg);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
}

/* ---- Home Cards ---- */
.home-cards {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem 5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: border-color 0.2s, transform 0.2s;
}
.card:hover {
    border-color: var(--border);
    transform: translateY(-2px);
}

.card-label {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 0.6rem;
}

.card p {
    font-size: 0.875rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.card a.card-link {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-light);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.card a.card-link::after { content: '→'; }
.card a.card-link:hover { color: var(--pastel-mint); }

/* ---- About page ---- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 3rem;
}

.about-photo-placeholder {
    aspect-ratio: 3/4;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: var(--font-body);
}

.about-bio h2 {
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
}

.about-tags {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--accent-light);
    background: var(--surface);
    font-family: var(--font-body);
}

/* Interests section */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.interest-item {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
}

.interest-item h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.interest-item p {
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0;
}

/* ---- CV page ---- */
.cv-meta {
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 0.4rem;
    letter-spacing: 0.02em;
}

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

.cv-section-title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.25rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
}

.cv-item {
    margin-bottom: 1.75rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border-soft);
}

.cv-item-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.2rem;
}

.cv-item h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text);
}

.cv-item-date {
    font-size: 0.78rem;
    color: var(--muted);
    font-family: var(--font-body);
    white-space: nowrap;
    font-style: italic;
}

.cv-item-sub {
    font-size: 0.88rem;
    color: var(--accent-light);
    font-style: italic;
    font-family: var(--font-display);
    margin-bottom: 0.4rem;
}

.cv-item p {
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 0;
}

.cv-download-bar {
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.cv-download-bar p {
    color: var(--muted);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* ---- Contact page ---- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.contact-info p {
    color: var(--muted);
    font-size: 0.9rem;
}

.contact-links {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.contact-link-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.contact-link-item span.label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    width: 60px;
    flex-shrink: 0;
}

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

.form-group label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    outline: none;
    transition: border-color 0.2s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted);
    opacity: 0.6;
}

.form-success {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.5rem;
    color: var(--text);
    font-size: 0.9rem;
}

/* ---- Footer ---- */
footer {
    border-top: 1px solid var(--border-soft);
    padding: 2rem;
    text-align: center;
}

footer p {
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.06em;
    margin: 0;
}

/* ---- Divider ---- */
.divider {
    height: 1px;
    background: var(--border-soft);
    margin: 2.5rem 0;
}

/* ---- Fade-in animation ---- */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
    opacity: 0;
    animation: fadeUp 0.6s ease forwards;
}
.fade-up:nth-child(1) { animation-delay: 0.05s; }
.fade-up:nth-child(2) { animation-delay: 0.15s; }
.fade-up:nth-child(3) { animation-delay: 0.25s; }
.fade-up:nth-child(4) { animation-delay: 0.35s; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    nav { padding: 0 1.25rem; }

    nav ul {
        display: none;
        flex-direction: column;
        gap: 0;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 1rem 0;
    }

    nav ul.open { display: flex; }

    nav ul li a {
        display: block;
        padding: 0.75rem 1.5rem;
        font-size: 0.85rem;
    }

    .nav-toggle { display: flex; }

    .hero { padding: 4rem 1.25rem 3rem; }
    .hero::before, .hero::after { display: none; }

    .home-cards { padding: 0 1.25rem 3rem; grid-template-columns: 1fr; }

    .page { padding: 2.5rem 1.25rem 4rem; }

    .about-grid { grid-template-columns: 1fr; }
    .about-photo-placeholder { aspect-ratio: 4/3; max-width: 280px; }

    .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }

    .cv-download-bar { flex-direction: column; align-items: flex-start; }
}

/* ---- Print (CV PDF) ---- */
@media print {
    :root {
        --bg:      #ffffff;
        --surface: #f5f5f5;
        --text:    #111111;
        --muted:   #555555;
        --accent:  #3a7d4a;
    }

    nav, footer, .btn, .cv-download-bar {
        display: none;
    }

    body { font-size: 12pt; background-image: none; }
    .page { margin: 0; max-width: 100%; }
    .cv-item { border-left-color: #ccc; }
}