/* ============================================================
   HOJA DE ESTILOS PRINCIPAL — PORTAFOLIO PERSONAL
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,800;1,700&family=JetBrains+Mono:wght@400;500&display=swap');


/* ============================================================
   VARIABLES GLOBALES & TEMAS
   ============================================================ */

:root {
    /* Colores base - Tema oscuro */
    --bg: #0D0C0B;
    --bg2: #141210;
    --card-bg: #1A1917;
    
    /* Tipografía */
    --text: #F0EDE6;
    --text2: #8A8580;
    
    /* Colores de énfasis */
    --accent: #5EC4FF;
    --red: #FF6B58;
    --gold: #C8923A;
    
    /* Efectos visuales */
    --border: rgba(255, 255, 255, 0.07);
    --nav-bg: rgba(13, 12, 11, 0.92);
    
    /* Sombras */
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.5);
    
    /* Redondeo y transiciones */
    --radius: 18px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: all 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tema claro */
body.light-mode {
    --bg: #F7F4EF;
    --bg2: #EDE9E1;
    --card-bg: #FFFFFF;
    
    --text: #141210;
    --text2: #6B6560;
    
    --accent: #D94F3D;
    --red: #D94F3D;
    
    --border: rgba(20, 18, 16, 0.08);
    --nav-bg: rgba(247, 244, 239, 0.92);
    
    --shadow-sm: 0 2px 12px rgba(20, 18, 16, 0.06);
    --shadow-md: 0 8px 32px rgba(20, 18, 16, 0.10);
    --shadow-lg: 0 24px 64px rgba(20, 18, 16, 0.14);
}


/* ============================================================
   RESET & ESTILOS BASE
   ============================================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    transition: background-color 0.4s ease, color 0.4s ease;
    line-height: 1.65;
    overflow-x: hidden;
}

/* Pseudo-elemento de ruido decorativo */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    max-width: 100vw;
    overflow: hidden;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.022'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--text);
}

.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82em;
}


/* ============================================================
   ANIMACIONES
   ============================================================ */

@keyframes skillFloat {
    0% {
        transform: translateY(0px) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.04);
    }
    100% {
        transform: translateY(0px) scale(1);
    }
}

@keyframes pulse-dot {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
    }
}

@keyframes diagonalDrift {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(80px) translateY(80px);
    }
}

@keyframes floatBlob {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-18px) rotate(4deg);
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

@keyframes spinRing {
    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-float {
    animation: skillFloat 3s ease-in-out infinite;
    animation-delay: var(--delay, 0s);
}

.skill-icon-card:hover .skill-float {
    animation-play-state: paused;
}


/* ============================================================
   GITHUB SVG
   ============================================================ */

.github-svg path {
    fill: #ffffff;
    transition: fill 0.4s ease;
}

body.light-mode .github-svg path {
    fill: #24292e;
}

body.light-mode .github-circle {
    border-color: rgba(36, 41, 46, 0.25) !important;
}

body.light-mode .skill-icon-card:hover .github-circle {
    border-color: #24292e !important;
    box-shadow: 0 4px 16px rgba(36, 41, 46, 0.2) !important;
}



/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
    background: var(--nav-bg) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border) !important;
    padding: 0.85rem 0;
    transition: var(--transition);
    z-index: 1000;
}

.navbar-brand {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.35rem !important;
    letter-spacing: -0.04em;
    color: var(--accent) !important;
    transition: var(--transition);
}

.navbar-brand:hover {
    opacity: 0.65;
}

.nav-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text2) !important;
    padding: 0.38rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent) !important;
    background: rgba(94, 196, 255, 0.07);
}

body.light-mode .nav-link:hover,
body.light-mode .nav-link.active {
    color: var(--red) !important;
    background: rgba(217, 79, 61, 0.06) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(94,196,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

body.light-mode .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(20,18,16,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* Toggle temático */
.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--border);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    font-size: 1rem;
}

.theme-toggle:hover {
    transform: rotate(20deg);
    border-color: var(--red);
}

.theme-toggle:focus {
    outline: none;
    box-shadow: none;
}


/* ============================================================
   SECCIÓN HERO
   ============================================================ */

.hero-section {
    background: linear-gradient(160deg, #0D0C0B 0%, #121A22 60%, #0D0C0B 100%);
    padding: 140px 0 110px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

body.light-mode .hero-section {
    background: linear-gradient(150deg, #1C1A17 0%, #1A2535 55%, #1C1A17 100%);
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 65% 45%, rgba(94, 196, 255, 0.09) 0%, transparent 55%),
        radial-gradient(ellipse at 20% 80%, rgba(255, 107, 88, 0.07) 0%, transparent 40%);
    pointer-events: none;
}

body.light-mode .hero-section::before {
    background:
        radial-gradient(ellipse at 68% 48%, rgba(217, 79, 61, 0.14) 0%, transparent 52%),
        radial-gradient(ellipse at 15% 75%, rgba(200, 146, 58, 0.08) 0%, transparent 45%);
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        -55deg,
        transparent,
        transparent 60px,
        rgba(255, 255, 255, 0.018) 60px,
        rgba(255, 255, 255, 0.018) 61px
    );
    animation: diagonalDrift 22s linear infinite;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.3rem 0.9rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.hero-label::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #4ade80;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: clamp(3.2rem, 7vw, 5.5rem);
    line-height: 1.0;
    letter-spacing: -0.045em;
    color: #F0EDE6;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--red);
    display: inline-block;
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: rgba(240, 237, 230, 0.55);
    max-width: 480px;
    line-height: 1.75;
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(94, 196, 255, 0.08);
    border: 1px solid rgba(94, 196, 255, 0.18);
    color: rgba(94, 196, 255, 0.9);
    border-radius: 100px;
    padding: 0.3rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: var(--transition);
    font-family: 'JetBrains Mono', monospace;
}

.hero-badge:hover {
    background: rgba(255, 107, 88, 0.15);
    border-color: rgba(255, 107, 88, 0.3);
    color: #fff;
    transform: translateY(-2px);
}

/* Wrapper de perfil con anillo giratorio */
.profile-wrapper {
    position: relative;
    display: inline-block;
}

.profile-wrapper::before {
    content: '';
    position: absolute;
    inset: -14px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--red) 0deg,
        transparent 100deg,
        var(--gold) 200deg,
        transparent 280deg,
        var(--red) 360deg
    );
    animation: spinRing 8s linear infinite;
    opacity: 0.7;
}

.profile-wrapper::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: linear-gradient(150deg, #0D0C0B, #121A22);
}

body.light-mode .profile-wrapper::after {
    background: linear-gradient(150deg, #1C1A17, #1A2535);
}

/* Blob - Avatar circular */
.hero-visual {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.hero-blob {
    width: 320px;
    height: 320px;
    background: linear-gradient(135deg, var(--accent), var(--red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35);
    animation: floatBlob 6s ease-in-out infinite;
}

.hero-blob span {
    font-size: 4rem;
    font-weight: 800;
    color: var(--bg);
    letter-spacing: -0.04em;
}




/* ============================================================
   ETIQUETAS DE SECCIÓN
   ============================================================ */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.section-label::before {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

body.light-mode .section-label {
    color: var(--red);
}

body.light-mode .section-label::before {
    background: var(--red);
}

.section-heading {
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.1;
    color: var(--text);
}

.section-divider {
    width: 48px;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--gold));
    border-radius: 3px;
    margin-top: 1rem;
}

.section-intro {
    font-size: 1rem;
    color: var(--text2);
    line-height: 1.8;
    font-weight: 400;
}

.section-bg {
    background: var(--bg2);
}


/* ============================================================
   TARJETAS
   ============================================================ */

.card,
.sb-card {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border) !important;
    background: var(--card-bg) !important;
    box-shadow: var(--shadow-sm) !important;
    transition: var(--transition) !important;
    overflow: hidden;
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg) !important;
    border-color: rgba(255, 107, 88, 0.2) !important;
}

body.light-mode .card-hover:hover {
    border-color: rgba(217, 79, 61, 0.15) !important;
}

.card p {
    color: var(--text2);
}

.card h5,
.card h6 {
    color: var(--text);
}

.text-muted {
    color: var(--text2) !important;
}

/* Tarjeta de estadísticas */
.stat-card {
    background: var(--card-bg) !important;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 2rem 1.75rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--gold));
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    letter-spacing: -0.05em;
    color: var(--accent);
    line-height: 1;
    display: block;
}

body.light-mode .stat-number {
    color: var(--red);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text2);
    font-weight: 500;
    margin-top: 0.5rem;
}


/* ============================================================
   TAGS & BADGES
   ============================================================ */

.skill-tag {
    display: inline-flex;
    background: rgba(94, 196, 255, 0.07);
    border: 1px solid rgba(94, 196, 255, 0.14);
    color: var(--accent);
    border-radius: var(--radius-xs);
    padding: 0.22rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    transition: var(--transition);
}

body.light-mode .skill-tag {
    background: rgba(20, 18, 16, 0.04);
    border-color: rgba(20, 18, 16, 0.08);
    color: #6B6560;
}

.badge-tech {
    display: inline-flex;
    background: rgba(255, 107, 88, 0.1);
    border: 1px solid rgba(255, 107, 88, 0.2);
    color: var(--red);
    border-radius: 100px;
    padding: 0.28rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.badge-tech:hover {
    background: var(--red);
    color: #fff;
    border-color: var(--red);
    transform: translateY(-2px);
}

.info-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text2);
    border-radius: 100px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-type {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--red);
    border-left: 2.5px solid var(--red);
    padding-left: 10px;
    margin: 5px 0 10px;
}


/* ============================================================
   GRID DE HABILIDADES
   ============================================================ */

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.skill-icon-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: default;
    transition: transform 0.3s ease;
}

.skill-icon-card:hover {
    transform: translateY(-4px);
}

.skill-circle-img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.skill-circle-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.skill-icon-card:hover .skill-circle-img {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(94, 196, 255, 0.25);
}

body.light-mode .skill-circle-img {
    background: rgba(20, 18, 16, 0.05);
    border-color: rgba(20, 18, 16, 0.09);
}

body.light-mode .skill-icon-card:hover .skill-circle-img {
    border-color: var(--red);
    box-shadow: 0 4px 16px rgba(217, 79, 61, 0.2);
}

.skill-icon-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text2);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.01em;
    text-align: center;
}




/* ============================================================
   BOTONES
   ============================================================ */

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--red)) !important;
    border: none !important;
    border-radius: 100px !important;
    font-weight: 700 !important;
    font-size: 0.875rem !important;
    padding: 0.65rem 1.5rem !important;
    transition: var(--transition) !important;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 20px rgba(94, 196, 255, 0.2) !important;
    color: #0D0C0B !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 32px rgba(94, 196, 255, 0.35) !important;
    opacity: 0.9;
}

body.light-mode .btn-primary {
    background: #D94F3D !important;
    color: #fff !important;
    box-shadow: 0 4px 16px rgba(217, 79, 61, 0.3) !important;
}

body.light-mode .btn-primary:hover {
    background: #C0402F !important;
    box-shadow: 0 8px 28px rgba(217, 79, 61, 0.42) !important;
    opacity: 1;
}

.btn-outline-primary {
    background: transparent !important;
    border: 2px solid var(--accent) !important;
    color: var(--accent) !important;
    border-radius: 100px !important;
    font-weight: 700 !important;
    font-size: 0.875rem !important;
    padding: 0.6rem 1.5rem !important;
    transition: var(--transition) !important;
}

.btn-outline-primary:hover {
    background: var(--accent) !important;
    color: #0D0C0B !important;
    transform: translateY(-2px) !important;
}

body.light-mode .btn-outline-primary {
    border-color: #141210 !important;
    color: #141210 !important;
}

body.light-mode .btn-outline-primary:hover {
    background: #141210 !important;
    color: #F7F4EF !important;
}

.btn-lg {
    padding: 0.8rem 2rem !important;
    font-size: 0.95rem !important;
}


/* ============================================================
   BARRA DE PROGRESO
   ============================================================ */

.progress {
    background: rgba(255, 255, 255, 0.06) !important;
    border-radius: 100px !important;
    height: 6px !important;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent), var(--red)) !important;
    border-radius: 100px !important;
    transition: width 1.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

body.light-mode .progress {
    background: rgba(20, 18, 16, 0.07) !important;
}

body.light-mode .progress-bar {
    background: linear-gradient(90deg, #D94F3D, #C8923A) !important;
}


/* ============================================================
   SECCIÓN DE CONTACTO
   ============================================================ */

.contact-section {
    background: linear-gradient(140deg, #060504 0%, #0E151C 60%, #060504 100%);
    position: relative;
    overflow: hidden;
}

body.light-mode .contact-section {
    background: linear-gradient(145deg, #141210 0%, #1A2535 55%, #141210 100%);
}

.contact-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 56px 56px;
}

.contact-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(94, 196, 255, 0.08) 0%, transparent 65%);
    pointer-events: none;
}

.contact-btn {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.16) !important;
    color: rgba(240, 237, 230, 0.85) !important;
    border-radius: 100px !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    padding: 0.7rem 1.75rem !important;
    transition: var(--transition) !important;
    backdrop-filter: blur(10px);
    letter-spacing: 0.01em;
}

.contact-btn:hover {
    background: rgba(255, 255, 255, 0.16) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25) !important;
    color: #fff !important;
}


/* ============================================================
   FOOTER
   ============================================================ */

footer {
    background: #050403 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
}


/* ============================================================
   PÁGINAS DE CERTIFICADOS
   ============================================================ */

.cert-page-bg {
    background: var(--bg2);
    min-height: 100vh;
    padding-top: 100px;
}

.cert-image-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.cert-list {
    list-style: none;
    padding: 0;
}

.cert-list li {
    padding: 0.4rem 0;
    font-size: 0.96rem;
    color: var(--text2);
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.cert-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 700;
}


/* ============================================================
   ANIMACIONES DE REVELACIÓN
   ============================================================ */

.animate-fade-up {
    animation: fadeInUp 0.75s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.delay-1 {
    animation-delay: 0.10s;
}

.delay-2 {
    animation-delay: 0.22s;
}

.delay-3 {
    animation-delay: 0.36s;
}

.delay-4 {
    animation-delay: 0.52s;
}

.delay-5 {
    animation-delay: 0.68s;
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── PROYECTOS CARRUSEL ── */

/* overflow:hidden en la card NO puede abarcar el carrusel,
   solo el card-body. Se arregla así: */
.project-card {
    overflow: visible !important;
}

.project-card .card-body {
    overflow: hidden;
}

.project-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 18px 18px 0 0;
}

.project-carousel .carousel-inner {
    overflow: hidden;
    border-radius: 18px 18px 0 0;
}

/* Imagen */
.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    object-position: top;
    display: block;
    transition: transform 0.4s ease;
}

.project-card:hover .project-img {
    transform: scale(1.04);
}

/* ── FLECHAS ── */
.project-carousel .carousel-control-prev,
.project-carousel .carousel-control-next {
    position: absolute !important;
    top: 0 !important;
    bottom: 0 !important;
    height: 100% !important;
    width: 15% !important;
    z-index: 20 !important;
    opacity: 0 !important;
    transition: opacity 0.2s ease !important;
    background: none !important;
    border: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
}

.project-carousel .carousel-control-prev { left: 0 !important; }
.project-carousel .carousel-control-next { right: 0 !important; }

/* Hover sobre el carrusel directamente (más fiable que hover en card) */
.project-carousel:hover .carousel-control-prev,
.project-carousel:hover .carousel-control-next {
    opacity: 1 !important;
}

/* Móvil: siempre visibles */
@media (hover: none) {
    .project-carousel .carousel-control-prev,
    .project-carousel .carousel-control-next {
        opacity: 1 !important;
    }
}

/* Círculo de la flecha */
.project-carousel .carousel-control-prev-icon,
.project-carousel .carousel-control-next-icon {
    width: 30px !important;
    height: 30px !important;
    background-color: rgba(0, 0, 0, 0.65) !important;
    border-radius: 50% !important;
    background-size: 45% !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    border: 1px solid rgba(255, 255, 255, 0.22) !important;
}

/* ── INDICADORES ── */
.project-indicators {
    position: absolute !important;
    bottom: 10px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    display: flex !important;
    gap: 5px !important;
    margin: 0 !important;
    padding: 5px 9px !important;
    z-index: 15 !important;
    list-style: none !important;
    background: rgba(0, 0, 0, 0.45) !important;
    border-radius: 100px !important;
    backdrop-filter: blur(4px) !important;
}

.project-indicators button {
    width: 18px !important;
    height: 3px !important;
    border-radius: 2px !important;
    background: rgba(255, 255, 255, 0.4) !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    transition: all 0.22s ease !important;
    cursor: pointer !important;
    opacity: 1 !important;
}

.project-indicators button.active {
    background: #ffffff !important;
    width: 26px !important;
    opacity: 1 !important;
}

/* ============================================================
   MEDIA QUERIES - TABLET Y SUPERIOR
   ============================================================ */

@media (max-width: 992px) {
    .navbar-collapse {
        padding-top: 1rem;
        text-align: center;
    }

    .nav-link {
        display: block;
        padding: 0.75rem 0 !important;
    }

    .hero-section {
        padding: 120px 0 80px;
    }

    .hero-blob {
        width: clamp(240px, 55vw, 300px);
        height: clamp(240px, 55vw, 300px);
    }

    .skills-grid {
        justify-content: center;
    }
}


/* ============================================================
   MEDIA QUERIES - TABLET
   ============================================================ */

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.6rem;
        line-height: 1.05;
    }

    .hero-subtitle {
        max-width: 100%;
        font-size: 0.95rem;
    }

    .hero-blob {
        width: clamp(220px, 65vw, 280px);
        height: clamp(220px, 65vw, 280px);
    }

    .hero-blob span {
        font-size: 3rem;
    }

    .stat-number {
        font-size: 2.4rem;
    }
}


/* ============================================================
   MEDIA QUERIES - MÓVIL
   ============================================================ */

@media (max-width: 576px) {
    .hero-section {
        padding: 90px 0 50px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 0.25rem 0.65rem;
    }

    .btn-lg {
        padding: 0.7rem 1.5rem !important;
        font-size: 0.85rem !important;
    }

    .contact-btn {
        padding: 0.6rem 1.3rem !important;
        font-size: 0.85rem !important;
    }
}


/* ============================================================
   VIEWPORT HEIGHT - SIN SCROLL EN MÓVIL
   ============================================================ */

.hero-section {
    min-height: 100svh;
}