/* ========================================
   PROFESSIONAL WEB DESIGN
   Federico Escobar Portfolio
   ======================================== */

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

:root {
    /* Colors */
    --color-primary: #0052CC;
    --color-primary-light: #0065FF;
    --color-primary-dark: #003D99;
    --color-accent: #0052CC;
    
    --color-text: #1A1A1A;
    --color-text-medium: #4A4A4A;
    --color-text-light: #6B6B6B;
    --color-text-lighter: #8F8F8F;
    
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-bg-dark: #F1F3F5;
    --color-border: #E1E4E8;
    --color-border-light: #EAEDF1;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.nav-brand {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text-medium);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

.nav-link:hover::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 1.5rem;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
    border-radius: 2px;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    padding-bottom: 6rem;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    background: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.1) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -20px) scale(1.05); }
    50% { transform: translate(-10px, 20px) scale(0.95); }
    75% { transform: translate(30px, 10px) scale(1.02); }
}

.hero-content {
    max-width: 920px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-medium);
    letter-spacing: 0.02em;
    margin-bottom: 2rem;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-accent {
    display: block;
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.title-main {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.3;
    letter-spacing: -0.02em;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 700px;
    margin-bottom: 3rem;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-text {
    background-color: transparent;
    color: var(--color-text-medium);
    padding: 1rem 0;
}

.btn-text:hover {
    color: var(--color-primary);
}

/* ========================================
   HERO STATS
   ======================================== */
.hero-stats {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.stat-item {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 3rem;
    background-color: var(--color-border);
}

/* ========================================
   SECTION STYLES
   ======================================== */
section {
    padding: 6rem 0;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 4rem;
    text-align: center;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-bg-light);
    line-height: 1;
    transition: color var(--transition-base);
}

.service-card:hover .service-number {
    color: rgba(0, 82, 204, 0.08);
}

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--color-bg-light);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--color-primary);
    color: white;
    transform: scale(1.05);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.service-description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: gap var(--transition-base);
}

.service-card:hover .service-link {
    gap: 0.75rem;
}

/* ========================================
   TECHNOLOGIES SECTION
   ======================================== */
.technologies {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.tech-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.tech-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.tech-category-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-medium);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary);
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tech-item {
    padding: 0.875rem 1.25rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9375rem;
    transition: all var(--transition-base);
}

.tech-item:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: white;
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects {
    background-color: var(--color-bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all var(--transition-slow);
    position: relative;
}

.project-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.project-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1;
    z-index: 10;
}

.project-image {
    height: 280px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

/* Imágenes específicas de cada proyecto */
.project-image-1 {
    background-image: url('img/proyecto1.png'), linear-gradient(135deg, #003D99 0%, #0052CC 100%);
}

.project-image-2 {
    background-image: url('img/proyecto2.png'), linear-gradient(135deg, #0052CC 0%, #0065FF 100%);
}

.project-image-3 {
    background-image: url('img/proyecto3.png'), linear-gradient(135deg, #0065FF 0%, #4A90E2 100%);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.project-description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.5rem 1rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-text-medium);
    font-weight: 600;
    transition: all var(--transition-base);
}

.project-card:hover .tag {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about {
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-border-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 5rem;
    align-items: start;
}

.about-left .section-title {
    text-align: left;
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.about-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.about-description {
    font-size: 1.0625rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 2.5rem 0;
    padding: 2rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
}

.value-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.value-icon {
    width: 1.75rem;
    height: 1.75rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.value-title {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.value-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
}

.discord-contact {
    margin-top: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
}

.discord-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.discord-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.discord-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

.discord-username {
    font-size: 1.25rem;
    color: white;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    letter-spacing: 0.02em;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-bg-dark);
    padding: 3rem 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-text p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.discord-footer {
    margin-top: 0.75rem;
    font-weight: 500;
}

.discord-footer span {
    color: var(--color-primary);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .title-accent {
        font-size: 3rem;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-left .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 3rem 2rem;
        gap: 2rem;
        transition: left var(--transition-slow);
        border-top: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        padding-top: 6rem;
        padding-bottom: 4rem;
    }
    
    .title-accent {
        font-size: 2.5rem;
    }
    
    .title-main {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }
    
    .stat-divider {
        display: none;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .hero {
        padding-top: 5rem;
    }
    
    .title-accent {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-card,
    .project-content {
        padding: 2rem 1.5rem;
    }
    
    .about-left .section-title {
        font-size: 2rem;
    }
    
    .discord-contact {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}