/* ==========================================================================
   Sandra Tolsada - Custom Design System (Vanilla CSS)
   ========================================================================== */

/* Design Tokens & Custom Properties */
:root {
    /* Color Palette */
    --color-primary: #c05621;      /* Warm Terracotta / Rust */
    --color-primary-dark: #9c3f14;
    --color-primary-soft: #fef2ec;
    --color-accent: #b7791f;       /* Warm Ochre / Gold */
    --color-accent-soft: #fdf8f0;
    
    /* Neutral Colors */
    --color-text-main: #1a202c;    /* Deep Slate */
    --color-text-muted: #4a5568;   /* Medium Slate */
    --color-text-light: #718096;
    --color-bg-main: #fdfcfb;      /* Warm Soft Cream */
    --color-bg-white: #ffffff;
    --color-bg-alt: #f7f4ee;       /* Alternate Cream background */
    --color-border: #e8e3d9;       /* Soft warm border */
    
    /* Category Soft Backgrounds for Cards */
    --color-soft-blue: #ebf8ff;
    --color-soft-green: #e6fffa;
    --color-soft-orange: #fffaf0;
    --color-soft-gold: #fdf8f0;
    --color-soft-purple: #faf5ff;
    
    /* Typography */
    --font-headings: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 4px 20px -2px rgba(192, 86, 33, 0.06);
    --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 12px -2px rgba(0, 0, 0, 0.02);
    --shadow-premium: 0 20px 40px -15px rgba(192, 86, 33, 0.1);
    
    /* Layout */
    --container-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 18px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg-main);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    color: var(--color-text-main);
    font-weight: 700;
    line-height: 1.25;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

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

/* Common Layout Elements */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}

.section-padding {
    padding-top: 100px;
    padding-bottom: 100px;
}

.bg-alt {
    background-color: var(--color-bg-alt);
}

/* Section Headers */
.section-header {
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-headings);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-line {
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 0 auto 20px auto;
    border-radius: 2px;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.text-center {
    text-align: center;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-headings);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    box-shadow: 0 4px 14px rgba(192, 86, 33, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-bg-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(192, 86, 33, 0.4);
}

.btn-secondary {
    background-color: var(--color-bg-white);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    font-family: var(--font-headings);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    padding: 24px 0;
    background-color: transparent;
}

.header.scrolled {
    padding: 16px 0;
    background-color: rgba(253, 252, 251, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid rgba(232, 227, 217, 0.4);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-main);
}

.logo-accent {
    color: var(--color-primary);
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-headings);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.btn-contact {
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    padding: 8px 20px !important;
    border-radius: 20px;
    font-weight: 600;
}

.btn-contact:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-white) !important;
}

.btn-contact::after {
    display: none;
}

.nav-phone i {
    color: var(--color-primary);
    margin-right: 6px;
    font-size: 0.85rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-text-main);
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, #fdf5f0 0%, var(--color-bg-main) 60%);
    padding-top: 140px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 24px;
    line-height: 1.4;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.hero-subtitle .divider {
    color: var(--color-border);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

.hero-image-backdrop {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    z-index: 1;
    border: 2px solid var(--color-border);
}

.hero-image {
    position: relative;
    z-index: 2;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-bg-white);
}

/* ==========================================================================
   Perfil Profesional
   ========================================================================== */
.perfil-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.perfil-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.perfil-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: var(--color-primary-soft);
}

.perfil-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.perfil-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.perfil-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.perfil-quote {
    background-color: var(--color-bg-white);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    padding: 40px;
    margin-top: 40px;
    box-shadow: var(--shadow-sm);
}

.perfil-quote p {
    font-family: var(--font-headings);
    font-size: 1.2rem;
    font-weight: 500;
    line-height: 1.7;
    color: var(--color-text-main);
    font-style: italic;
}

/* ==========================================================================
   Portfolio Section
   ========================================================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-card {
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-card-header {
    padding: 30px 30px 20px 30px;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

.portfolio-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 10px;
    margin-bottom: 12px;
}

.portfolio-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.portfolio-card-meta {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.portfolio-card-body {
    padding: 24px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.portfolio-card-text {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portfolio-tags span {
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--color-bg-alt);
    color: var(--color-text-muted);
    padding: 4px 10px;
    border-radius: 4px;
}

/* Category header classes */
.bg-primary-soft {
    background-color: var(--color-primary-soft);
    border-bottom: 3px solid var(--color-primary);
}
.bg-primary-soft .portfolio-label {
    background-color: rgba(192, 86, 33, 0.1);
    color: var(--color-primary);
}

.bg-accent-soft {
    background-color: var(--color-soft-gold);
    border-bottom: 3px solid var(--color-accent);
}
.bg-accent-soft .portfolio-label {
    background-color: rgba(183, 121, 31, 0.1);
    color: var(--color-accent);
}

.bg-blue-soft {
    background-color: var(--color-soft-blue);
    border-bottom: 3px solid #2b6cb0;
}
.bg-blue-soft .portfolio-label {
    background-color: rgba(43, 108, 176, 0.1);
    color: #2b6cb0;
}

.bg-green-soft {
    background-color: var(--color-soft-green);
    border-bottom: 3px solid #319795;
}
.bg-green-soft .portfolio-label {
    background-color: rgba(49, 151, 149, 0.1);
    color: #319795;
}

.bg-orange-soft {
    background-color: var(--color-soft-orange);
    border-bottom: 3px solid #dd6b20;
}
.bg-orange-soft .portfolio-label {
    background-color: rgba(221, 107, 32, 0.1);
    color: #dd6b20;
}

.bg-gold-soft {
    background-color: var(--color-accent-soft);
    border-bottom: 3px solid var(--color-accent);
}
.bg-gold-soft .portfolio-label {
    background-color: rgba(183, 121, 31, 0.1);
    color: var(--color-accent);
}

/* ==========================================================================
   Editorial Experience (List)
   ========================================================================== */
.editorial-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.editorial-item {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.editorial-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.editorial-num {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary-soft);
    line-height: 1;
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.editorial-text h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.editorial-text p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ==========================================================================
   Trajectory Timeline
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 40px;
    width: 3px;
    background-color: var(--color-border);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-left: 90px;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 4px;
    width: 44px;
    height: 44px;
    background-color: var(--color-primary-soft);
    border: 3px solid var(--color-bg-white);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-marker {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    transform: scale(1.1);
}

.timeline-content {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(192, 86, 33, 0.2);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-headings);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.timeline-org {
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 16px;
}

.timeline-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   Education & Languages Section
   ========================================================================== */
.formacion-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
}

.formacion-col {
    width: 100%;
}

.col-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.header-icon {
    font-size: 1.75rem;
    color: var(--color-primary);
}

.col-header h3 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* Education Cards */
.education-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.edu-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.edu-card:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.edu-year {
    display: inline-block;
    font-family: var(--font-headings);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    background-color: var(--color-accent-soft);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.edu-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}

.edu-school {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* Languages List */
.languages-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.lang-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 24px 30px;
    box-shadow: var(--shadow-sm);
}

.lang-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.lang-info h4 {
    font-size: 1.25rem;
    font-weight: 700;
}

.lang-level {
    font-family: var(--font-headings);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
    padding: 4px 10px;
    border-radius: 8px;
}

.lang-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    line-height: 1.5;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contacto-wrapper {
    background-color: var(--color-bg-alt);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    padding: 60px;
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.contacto-info {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contacto-info h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.25;
}

.contacto-info p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-item i {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item span {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-light);
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0;
}

.contact-item a:hover {
    color: var(--color-primary);
}



/* ==========================================================================
   Footer
   ========================================================================== */
.footer-bottom {
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-container p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-family: var(--font-headings);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   Scroll Reveal & Entrance Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-content .fade-in:nth-child(1) { animation-delay: 0.1s; }
.hero-content .fade-in:nth-child(2) { animation-delay: 0.2s; }
.hero-content .fade-in:nth-child(3) { animation-delay: 0.3s; }
.hero-content .fade-in:nth-child(4) { animation-delay: 0.4s; }
.hero-content .fade-in:nth-child(5) { animation-delay: 0.5s; }
.hero-image-wrapper.fade-in { animation-delay: 0.4s; }

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

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   Responsive Design & Media Queries
   ========================================================================== */

/* Large Tablets & Small Desktops (max-width: 1024px) */
@media (max-width: 1024px) {
    :root {
        font-size: 16px;
    }
    
    .hero-container {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .perfil-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .formacion-grid {
        gap: 40px;
    }
}

/* Small Tablets & Large Phones (max-width: 768px) */
@media (max-width: 768px) {
    .section-padding {
        padding-top: 80px;
        padding-bottom: 80px;
    }
    
    /* Header & Mobile Navigation */
    .header {
        padding: 16px 0;
        background-color: var(--color-bg-main);
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg-main);
        border-bottom: 1px solid var(--color-border);
        padding: 24px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-normal);
    }
    
    .nav-menu.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    
    .nav-link {
        display: block;
        padding: 8px 0;
        font-size: 1.1rem;
    }
    
    .nav-link.btn-contact {
        text-align: center;
        margin-top: 10px;
    }

    /* Hero Section Mobile */
    .hero {
        padding-top: 100px;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        order: 2;
    }
    
    .hero-subtitle {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        order: 1;
        max-width: 280px;
    }
    
    /* Perfil Section Mobile */
    .perfil-grid {
        grid-template-columns: 1fr;
    }
    
    .perfil-quote {
        padding: 30px 20px;
    }
    
    /* Portfolio Grid Mobile */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    /* Editorial List Mobile */
    .editorial-list {
        grid-template-columns: 1fr;
    }
    
    /* Timeline Mobile */
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 55px;
    }
    
    .timeline-marker {
        left: 0px;
        width: 36px;
        height: 36px;
    }
    
    /* Education & Languages Mobile */
    .formacion-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    /* Contact Form Wrapper Mobile */
    .contacto-wrapper {
        padding: 40px 24px;
    }
}

/* Small Phones (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .edu-card,
    .lang-card {
        padding: 24px 20px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .footer-links {
        justify-content: center;
    }
}