/* ============================================
   Kevin Emenegger — Portfolio
   Paleta inspirada en portfolios minimalistas
   Tipografía: Poppins (700 títulos / 300 cuerpo)
   ============================================ */

:root {
    --navy: #030F49;
    --white: #FFFFFF;
    --blue-gray: #5B659A;
    --lime: #D5DD8F;
    --gray-light: #F6F5F6;
    --gray-border: #E4E3E4;

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-full: 999px;

    --container: 1160px;
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 40px;
    --space-5: 64px;
    --space-6: 96px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-weight: 300;
    color: var(--navy);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 var(--space-2);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-2); }

a {
    color: inherit;
    text-decoration: none;
}

img { max-width: 100%; display: block; }

ul { margin: 0; padding: 0; list-style: none; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

section { padding: var(--space-6) 0; }
section.tight { padding: var(--space-5) 0; }

.eyebrow {
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.06em;
    color: var(--blue-gray);
    text-transform: uppercase;
    margin-bottom: var(--space-1);
}

.section-head { max-width: 640px; margin-bottom: var(--space-4); }
.section-head p:last-child { color: var(--blue-gray); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--navy); color: var(--white); }
.btn-primary:hover { background: #061863; }

.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-lime { background: var(--lime); color: var(--navy); }
.btn-lime:hover { background: #c7d071; }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px var(--space-3);
    gap: var(--space-2);
}

.brand { display: flex; align-items: center; gap: 12px; }

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 18px; }
.logo-mark svg rect, .logo-mark svg polygon { fill: var(--white); }

.brand-name { font-weight: 700; font-size: 1rem; white-space: nowrap; }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.95rem;
}

.nav-links a { position: relative; padding: 4px 0; }
.nav-links a.active { color: var(--navy); font-weight: 700; }
.nav-links a:not(.active):hover { color: var(--blue-gray); }

.nav-cta { display: flex; align-items: center; gap: var(--space-2); }

.admin-link {
    opacity: 0.35;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: opacity 0.15s ease, background 0.15s ease;
}
.admin-link:hover { opacity: 0.9; background: var(--gray-light); }
.admin-link svg { width: 16px; height: 16px; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--navy);
    margin: 5px 0;
    transition: 0.2s;
}

/* ---------- Hero ---------- */
.hero {
    padding: var(--space-6) 0 var(--space-5);
    border-bottom: 1px solid var(--gray-border);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-5);
    align-items: center;
}
.hero-title { max-width: 560px; }
.hero-subtitle {
    color: var(--blue-gray);
    font-size: 1.1rem;
    max-width: 480px;
}
.hero-actions { display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-photo {
    width: 100%;
    max-width: 340px;
    aspect-ratio: 4 / 5;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-light);
    border: 1px solid var(--gray-border);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

.stamp {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 118px;
    height: 118px;
    animation: spin 14s linear infinite;
}
.stamp-badge {
    width: 118px;
    height: 118px;
    border-radius: 50%;
    background: var(--lime);
    display: flex;
    align-items: center;
    justify-content: center;
}
.stamp-badge svg { width: 100%; height: 100%; }
.stamp-dot {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--navy);
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ---------- Number blocks (home sections) ---------- */
.block-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--blue-gray);
    margin-bottom: var(--space-1);
}

/* ---------- Case study cards ---------- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}
.case-card {
    display: block;
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    transition: border-color 0.15s ease, transform 0.15s ease;
    background: var(--white);
}
.case-card:hover { border-color: var(--navy); transform: translateY(-3px); }
.case-card .front-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--navy);
    background: var(--lime);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2);
}
.case-card p { color: var(--blue-gray); font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Case study detail (Problema/Solución/Resultado) ---------- */
.case-detail {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.case-detail-head { margin-bottom: var(--space-3); }
.case-detail-head .front-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--navy);
    background: var(--lime);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2);
}
.case-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-2); }
.chip {
    display: inline-block;
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    background: var(--gray-light);
    border: 1px solid var(--gray-border);
    color: var(--navy);
}
.case-pspr {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-3);
}
.case-pspr-item h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--blue-gray);
    margin-bottom: 8px;
}
.case-pspr-item p { font-size: 0.95rem; margin-bottom: 0; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 5px; top: 6px; bottom: 6px;
    width: 2px;
    background: var(--gray-border);
}
.timeline-item { position: relative; padding-bottom: var(--space-4); }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px; top: 6px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--navy);
}
.timeline-item.current::before { background: var(--lime); border-color: var(--navy); }
.timeline-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--navy);
    background: var(--lime);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 6px;
}
.timeline-company { color: var(--blue-gray); font-size: 0.9rem; margin-bottom: 4px; }
.timeline-dates { color: var(--blue-gray); font-size: 0.85rem; margin-bottom: var(--space-2); }
.timeline-item ul { margin-top: var(--space-2); }
.timeline-item li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.95rem;
}
.timeline-item li::before {
    content: '';
    position: absolute;
    left: 0; top: 10px;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--blue-gray);
}

/* ---------- Skills grid ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.skill-card {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
}
.skill-card .skill-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: var(--navy);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: var(--space-2);
}
.skill-card .skill-icon svg { width: 22px; height: 22px; stroke: var(--lime); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--space-2); }

/* ---------- Education ---------- */
.edu-group { margin-bottom: var(--space-3); }
.edu-org { font-weight: 700; margin-bottom: 8px; }
.edu-org span { font-weight: 300; color: var(--blue-gray); }
.edu-item {
    display: flex; justify-content: space-between; gap: var(--space-2);
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-border);
    font-size: 0.95rem;
}
.edu-item .dates { color: var(--blue-gray); white-space: nowrap; }

.lang-row { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 4px; }
.lang-bar { height: 6px; background: var(--gray-light); border-radius: var(--radius-full); overflow: hidden; margin-bottom: var(--space-2); }
.lang-bar span { display: block; height: 100%; background: var(--navy); }

/* ---------- Manuales (brand manual viewer) ---------- */
.manual-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.manual-card {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-md);
    padding: var(--space-3);
}
.manual-card .tag {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--blue-gray);
    margin-bottom: 6px;
}
.manual-viewer {
    margin-top: var(--space-2);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--gray-border);
    background: var(--gray-light);
}
.manual-viewer iframe { width: 100%; height: 420px; border: 0; display: block; }
.manual-placeholder {
    margin-top: var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px dashed var(--gray-border);
    background: var(--gray-light);
    padding: var(--space-4) var(--space-2);
    text-align: center;
    color: var(--blue-gray);
    font-size: 0.85rem;
}
.manual-actions { margin-top: var(--space-2); }

/* ---------- Playground ---------- */
.playground-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.playground-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-border);
}
.playground-media {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--navy), var(--blue-gray));
    display: flex; align-items: center; justify-content: center;
    color: var(--lime);
    font-size: 0.8rem;
}
.playground-media img, .playground-media video { width: 100%; height: 100%; object-fit: cover; }
.playground-body { padding: var(--space-2) var(--space-3) var(--space-3); }
.playground-body p { color: var(--blue-gray); font-size: 0.9rem; margin-bottom: 0; }

/* ---------- Contact form ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); align-items: start; }
.form-group { margin-bottom: var(--space-2); }
.form-group label { display: block; font-size: 0.85rem; margin-bottom: 6px; color: var(--blue-gray); }
.form-group input, .form-group textarea {
    width: 100%;
    font-family: inherit;
    font-weight: 300;
    font-size: 0.95rem;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-border);
    background: var(--gray-light);
    color: var(--navy);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--navy);
    background: var(--white);
}
.form-note { font-size: 0.8rem; color: var(--blue-gray); margin-top: var(--space-1); }

.contact-info-card {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    background: var(--navy);
    color: var(--white);
}
.contact-info-card .eyebrow { color: var(--lime); }
.contact-info-row {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    font-size: 0.95rem;
}
.contact-info-row:last-child { border-bottom: none; }
.contact-info-row svg { width: 18px; height: 18px; stroke: var(--lime); flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--navy);
    color: var(--white);
    padding: var(--space-5) 0 var(--space-3);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand .logo-mark { background: var(--lime); }
.footer-brand .logo-mark svg rect, .footer-brand .logo-mark svg polygon { fill: var(--navy); }
.footer-links { display: flex; gap: var(--space-3); flex-wrap: wrap; font-size: 0.9rem; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom {
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
    padding-top: var(--space-3);
    font-size: 0.8rem;
    color: var(--blue-gray);
}
.footer-bottom a { opacity: 0.6; }
.footer-bottom a:hover { opacity: 1; }

/* ---------- Admin ---------- */
.admin-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-light);
    padding: var(--space-3);
}
.admin-card {
    width: 100%;
    max-width: 380px;
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}
.admin-card .logo-mark { margin: 0 auto var(--space-3); }
.admin-card h1 { font-size: 1.4rem; text-align: center; }
.admin-card .sub { text-align: center; color: var(--blue-gray); font-size: 0.9rem; margin-bottom: var(--space-3); }
.admin-error {
    background: #fdecea;
    color: #b3261e;
    border: 1px solid #f5c2bd;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 0.85rem;
    margin-bottom: var(--space-2);
}
.admin-bar {
    background: var(--navy);
    color: var(--white);
    padding: 14px 0;
}
.admin-bar .container { display: flex; justify-content: space-between; align-items: center; }
.admin-dashboard { padding: var(--space-6) 0; }
.admin-panel {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-3);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-cta .btn-primary { display: none; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { order: -1; }
    .case-grid, .skills-grid, .manual-grid, .playground-grid { grid-template-columns: 1fr; }
    .case-pspr { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .site-header.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--white);
        padding: var(--space-3);
        border-bottom: 1px solid var(--gray-border);
    }
}