/* =========================================================
   CV Digital — Juan Felipe Agudelo Higuita
   juan.iproject3.com | styles.css
   ========================================================= */

/* ── Variables ────────────────────────────────────────────── */
:root {
    --bg-primary:     #080d1a;
    --bg-secondary:   #0d1525;
    --bg-card:        #111d35;
    --bg-card-hover:  #172544;
    --accent-blue:    #3b82f6;
    --accent-cyan:    #06b6d4;
    --accent-glow:    rgba(59, 130, 246, 0.18);
    --text-primary:   #f0f6ff;
    --text-secondary: #8ba3c7;
    --text-muted:     #4d6a94;
    --border:         rgba(59, 130, 246, 0.15);
    --border-strong:  rgba(59, 130, 246, 0.35);
    --wa-green:       #25d366;
    --email-blue:     #4285f4;
    --phone-teal:     #0ea5e9;
    --radius-sm:      8px;
    --radius-md:      14px;
    --radius-lg:      22px;
    --shadow-card:    0 4px 32px rgba(0,0,0,0.45);
    --shadow-glow:    0 0 40px rgba(59,130,246,0.18);
    --font:           'Inter', system-ui, -apple-system, sans-serif;
    --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-h:          70px;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }

/* ── Container ────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent-blue);
    color: #fff;
}
.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59,130,246,0.4);
}
.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 2px solid var(--accent-blue);
}
.btn-outline:hover {
    background: var(--accent-blue);
    color: #fff;
    transform: translateY(-2px);
}
.btn-block { width: 100%; justify-content: center; }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: rgba(8, 13, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(8, 13, 26, 0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 28px;
}
.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--accent-blue);
    transition: var(--transition);
    border-radius: 1px;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-contacts {
    display: flex;
    gap: 8px;
}
.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    transition: var(--transition);
}
.btn-wa  { background: rgba(37,211,102,0.12); color: var(--wa-green); border: 1px solid rgba(37,211,102,0.25); }
.btn-wa:hover  { background: var(--wa-green); color: #fff; }
.btn-email { background: rgba(66,133,244,0.12); color: var(--email-blue); border: 1px solid rgba(66,133,244,0.25); }
.btn-email:hover { background: var(--email-blue); color: #fff; }
.btn-phone { background: rgba(14,165,233,0.12); color: var(--phone-teal); border: 1px solid rgba(14,165,233,0.25); }
.btn-phone:hover { background: var(--phone-teal); color: #fff; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition);
}

/* ================================================================
   HERO
   ================================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-h) + 48px) 24px 80px;
    overflow: hidden;
    background: radial-gradient(ellipse 80% 60% at 30% 0%, rgba(59,130,246,0.12) 0%, transparent 70%),
                var(--bg-primary);
}
.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Layout dos columnas */
.hero-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}
.hero-content {
    text-align: center;
    flex: 1;
    max-width: 800px;
    width: 100%;
}

/* Sección superior: nombre + foto */
.hero-top-section {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
}

/* ── Foto ──────────────────────────────────────────────────── */
.hero-photo-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    opacity: 0;
    animation: fadeUp 0.7s 0.8s forwards;
    flex-shrink: 0;
}
.hero-top-section .hero-photo-wrap {
    gap: 0;
}
.hero-photo-ring {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    box-shadow: 0 0 40px rgba(59,130,246,0.3), 0 0 80px rgba(6,182,212,0.12);
    position: relative;
}
.hero-photo-ring::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid rgba(59,130,246,0.2);
    animation: spin-slow 12s linear infinite;
}
.hero-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    display: block;
    background: var(--bg-card);
    border: 3px solid var(--bg-primary);
}
.hero-photo-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #86efac;
    white-space: nowrap;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeUp 0.6s 0.8s forwards;
}
.hero-photo-badge i { color: #4ade80; font-size: 0.82rem; }
.hero-greeting {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-cyan);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
    opacity: 0;
    animation: fadeUp 0.6s 0.2s forwards;
}
.hero-name {
    font-size: clamp(2rem, 3.6vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeUp 0.6s 0.4s forwards;
}
.name-accent {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-typewriter {
    font-size: clamp(0.92rem, 1.4vw, 1.1rem);
    font-weight: 500;
    color: var(--text-secondary);
    min-height: 2em;
    margin-bottom: 14px;
    opacity: 0;
    animation: fadeUp 0.6s 0.6s forwards;
}
.cursor-blink {
    color: var(--accent-blue);
    animation: blink 1s infinite;
    font-weight: 300;
}
.hero-location {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    opacity: 0;
    animation: fadeUp 0.6s 0.7s forwards;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-location i { color: var(--accent-blue); margin-right: 6px; }

.hero-cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 0.6s 0.9s forwards;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 28px;
    backdrop-filter: blur(8px);
    opacity: 0;
    animation: fadeUp 0.6s 1.1s forwards;
    margin: 0 auto;
}
.stat-item {
    text-align: center;
    padding: 0 22px;
}
.stat-num {
    font-size: 2.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}
.stat-plus {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-cyan);
    vertical-align: top;
    margin-top: 6px;
    display: inline-block;
}
.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-strong);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    animation: bounce 2s infinite;
    transition: color 0.3s;
}
.hero-scroll-indicator:hover { color: var(--accent-blue); }

/* ================================================================
   SECTIONS — Common
   ================================================================ */
.section {
    padding: 100px 0;
}
.section-alt {
    background: var(--bg-secondary);
}
.section-header {
    text-align: center;
    margin-bottom: 64px;
}
.section-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-cyan);
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}
.section-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ── Scroll reveal ────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================================================================
   SOBRE MÍ
   ================================================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.about-text p {
    color: var(--text-secondary);
    margin-bottom: 18px;
    font-size: 1.02rem;
    line-height: 1.8;
}
.about-text strong { color: var(--text-primary); font-weight: 600; }

.idiomas {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.idioma-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.idioma-badge i { color: var(--accent-cyan); }

.about-pills {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.pill-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}
.pill-item:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}
.pill-item i { color: var(--accent-blue); flex-shrink: 0; }

/* ================================================================
   COMPETENCIAS
   ================================================================ */
.competencias-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.comp-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.comp-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.comp-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}
.comp-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent-blue);
    margin-bottom: 20px;
    border: 1px solid var(--border-strong);
}
.comp-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.comp-card ul { display: flex; flex-direction: column; gap: 8px; }
.comp-card li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.comp-card li i { color: var(--accent-cyan); margin-top: 3px; flex-shrink: 0; }

/* ================================================================
   EXPERIENCIA — TIMELINE
   ================================================================ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan), transparent);
}
.timeline-item {
    position: relative;
    padding-left: 64px;
    margin-bottom: 48px;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: 13px;
    top: 24px;
    width: 20px;
    height: 20px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-blue), 0 0 16px rgba(59,130,246,0.5);
}
.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    transition: var(--transition);
}
.timeline-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-card);
}
.timeline-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.timeline-title-block h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.timeline-company {
    font-size: 0.88rem;
    color: var(--accent-cyan);
    font-weight: 500;
}
.timeline-company i { margin-right: 5px; }
.timeline-period {
    font-size: 0.82rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    white-space: nowrap;
}
.timeline-period i { margin-right: 5px; color: var(--accent-blue); }
.timeline-list { display: flex; flex-direction: column; gap: 10px; }
.timeline-list li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding-left: 14px;
    position: relative;
    line-height: 1.6;
}
.timeline-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 9px;
    width: 5px; height: 5px;
    background: var(--accent-blue);
    border-radius: 50%;
}
.impact-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    padding: 8px 16px;
    background: rgba(59,130,246,0.1);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent-blue);
}
.impact-badge i { color: var(--accent-cyan); }

/* ================================================================
   STACK TECNOLÓGICO
   ================================================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.tech-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
}
.tech-group:hover {
    border-color: var(--border-strong);
}
.tech-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.tech-group-header i {
    font-size: 1.1rem;
    color: var(--accent-blue);
}
.tech-group-header h4 {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.79rem;
    font-weight: 500;
    border: 1px solid;
}
.tag-blue   { background: rgba(59,130,246,0.1);  color: #93c5fd; border-color: rgba(59,130,246,0.25); }
.tag-cyan   { background: rgba(6,182,212,0.1);   color: #67e8f9; border-color: rgba(6,182,212,0.25); }
.tag-purple { background: rgba(139,92,246,0.1);  color: #c4b5fd; border-color: rgba(139,92,246,0.25); }
.tag-green  { background: rgba(34,197,94,0.1);   color: #86efac; border-color: rgba(34,197,94,0.25); }
.tag-orange { background: rgba(249,115,22,0.1);  color: #fdba74; border-color: rgba(249,115,22,0.25); }

/* ================================================================
   FORMACIÓN
   ================================================================ */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}
.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.edu-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.edu-card:hover::after { transform: scaleX(1); }
.edu-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
}
.edu-year {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--accent-cyan);
    text-transform: uppercase;
    margin-bottom: 14px;
}
.edu-body {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.edu-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-glow);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
    font-size: 1rem;
    flex-shrink: 0;
    border: 1px solid var(--border-strong);
}
.edu-info h4 {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.4;
}
.edu-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
}
.edu-hours {
    font-size: 0.78rem;
    color: var(--accent-cyan);
    font-weight: 500;
    display: block;
    margin-top: 4px;
}

/* ================================================================
   CONTACTO
   ================================================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: start;
}
.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}
.channel-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.channel-card:hover {
    transform: translateX(6px);
    border-color: var(--border-strong);
}
.channel-wa:hover   { border-color: var(--wa-green); box-shadow: 0 0 20px rgba(37,211,102,0.15); }
.channel-email:hover { border-color: var(--email-blue); box-shadow: 0 0 20px rgba(66,133,244,0.15); }
.channel-phone:hover { border-color: var(--phone-teal); box-shadow: 0 0 20px rgba(14,165,233,0.15); }

.channel-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.channel-wa .channel-icon    { background: rgba(37,211,102,0.12); color: var(--wa-green); }
.channel-email .channel-icon { background: rgba(66,133,244,0.12); color: var(--email-blue); }
.channel-phone .channel-icon { background: rgba(14,165,233,0.12); color: var(--phone-teal); }

.channel-info { flex: 1; }
.channel-label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}
.channel-info strong {
    font-size: 0.92rem;
    color: var(--text-primary);
}
.channel-arrow {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: var(--transition);
}
.channel-card:hover .channel-arrow { color: var(--text-secondary); }

.cv-box {
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
}
.cv-box p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}
.cv-box p i { color: #ef4444; margin-right: 6px; }

/* ── Form ──────────────────────────────────────────────────── */
.contact-form-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 7px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group label span { color: var(--accent-blue); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
    background: var(--bg-card-hover);
}
.form-group select option { background: var(--bg-card); }
.form-group textarea { resize: vertical; min-height: 110px; }

.form-feedback {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    display: none;
}
.form-feedback.success {
    display: block;
    background: rgba(34,197,94,0.1);
    border: 1px solid rgba(34,197,94,0.3);
    color: #86efac;
}
.form-feedback.error {
    display: block;
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    color: #fca5a5;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
}
.footer-brand {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}
.footer p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.footer-location i { color: var(--accent-blue); margin-right: 4px; }

/* ================================================================
   WhatsApp FLOTANTE
   ================================================================ */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    width: 58px;
    height: 58px;
    background: var(--wa-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #fff;
    box-shadow: 0 4px 20px rgba(37,211,102,0.45);
    transition: var(--transition);
    animation: pulse-wa 3s infinite;
}
.wa-float:hover {
    transform: scale(1.12);
    box-shadow: 0 8px 30px rgba(37,211,102,0.6);
}
.wa-tooltip {
    position: absolute;
    right: 68px;
    background: #fff;
    color: #1a1a1a;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.wa-tooltip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 5px solid #fff;
}
.wa-float:hover .wa-tooltip { opacity: 1; }

/* ================================================================
   PARTICLES (canvas)
   ================================================================ */
#particles canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}
@keyframes pulse-wa {
    0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
    50%       { box-shadow: 0 4px 32px rgba(37,211,102,0.7); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-contacts { display: none; }
    .nav-toggle { display: flex; }

    .navbar.menu-open .nav-links,
    .navbar.menu-open .nav-contacts {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-h);
        left: 0; right: 0;
        background: rgba(8,13,26,0.98);
        border-bottom: 1px solid var(--border);
        padding: 20px 24px;
        gap: 12px;
    }
    .navbar.menu-open .nav-links { top: var(--nav-h); }
    .navbar.menu-open .nav-contacts { top: calc(var(--nav-h) + 160px); }

    /* Hero adjustments for tablets */
    .hero-top-section {
        flex-direction: column;
        gap: 24px;
        align-items: center;
    }
    .hero-photo-ring {
        width: 180px;
        height: 180px;
    }

    .about-grid { grid-template-columns: 1fr; gap: 36px; }
    .about-pills { grid-template-columns: 1fr 1fr; }
    .competencias-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-stats { padding: 20px; }
    .stat-item { padding: 0 20px; }
}

@media (max-width: 600px) {
    .hero-name { font-size: 2rem; }
    .hero-top-section { gap: 16px; }
    .hero-photo-ring { width: 150px; height: 150px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .stat-divider { width: 60px; height: 1px; }
    .about-pills { grid-template-columns: 1fr; }
    .navbar { padding: 0 20px; }
    .section { padding: 72px 0; }
    .timeline::before { left: 14px; }
    .timeline-item { padding-left: 46px; }
    .timeline-dot { left: 5px; }
    .timeline-meta { flex-direction: column; }
    .edu-grid { grid-template-columns: 1fr; }
}