/* ===========================
   VARIABLES & RESET
   =========================== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1f1f35;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #6c63ff;
    --accent-light: #8b83ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --gradient: linear-gradient(135deg, #6c63ff 0%, #48bfe3 100%);
    --gradient-text: linear-gradient(135deg, #6c63ff 0%, #48bfe3 50%, #6c63ff 100%);
    --border: rgba(255, 255, 255, 0.06);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

::selection {
    background: var(--accent);
    color: #fff;
}

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

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

/* ===========================
   NAVBAR
   =========================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 40px;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
}

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

#nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(108, 99, 255, 0.1);
}

.nav-link.active {
    color: var(--accent-light);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===========================
   HERO
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 40px 80px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-greeting {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
    letter-spacing: -2px;
}

.hero-dot {
    color: var(--accent);
}

.hero-title {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(108, 99, 255, 0.05);
}

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

.hero-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.hero-socials a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-3px);
}

/* Hero visual */
.hero-visual {
    flex: 0.8;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-blob {
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--gradient);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    opacity: 0.08;
    filter: blur(40px);
    animation: blobFloat 8s ease-in-out infinite;
}

@keyframes blobFloat {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; transform: rotate(0deg) scale(1); }
    33% { border-radius: 50% 50% 30% 70% / 60% 40% 60% 40%; transform: rotate(120deg) scale(1.05); }
    66% { border-radius: 70% 30% 50% 50% / 40% 60% 40% 60%; transform: rotate(240deg) scale(0.95); }
}

.hero-code-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    font-family: 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.95rem;
    line-height: 2;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.hero-code-block::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 16px;
    display: flex;
    gap: 8px;
    width: 50px;
    height: 12px;
    background:
        radial-gradient(circle at 6px 6px, #ff5f57 5px, transparent 5px),
        radial-gradient(circle at 22px 6px, #febc2e 5px, transparent 5px),
        radial-gradient(circle at 38px 6px, #28c840 5px, transparent 5px);
}

.hero-code-block .code-line {
    display: block;
    color: var(--text-secondary);
}

.hero-code-block .code-line:first-child {
    margin-top: 16px;
}

.code-keyword { color: #c792ea; }
.code-string { color: #c3e88d; }
.code-bool { color: #f78c6c; }

/* ===========================
   SECTIONS (General)
   =========================== */
section {
    padding: 100px 40px;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 48px;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient);
    border-radius: 2px;
    margin-top: 12px;
}

/* ===========================
   SOBRE MÍ
   =========================== */
#sobre-mi {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===========================
   HABILIDADES
   =========================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 20px;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: default;
}

.skill-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.skill-card i {
    font-size: 2rem;
    color: var(--accent);
    transition: var(--transition);
}

.skill-card:hover i {
    transform: scale(1.15);
}

.skill-card span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ===========================
   PROYECTOS
   =========================== */
#proyectos {
    background: var(--bg-secondary);
}

.proyectos-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.proyecto-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.proyecto-card:hover {
    transform: translateY(-6px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: 0 20px 50px rgba(108, 99, 255, 0.1);
}

.proyecto-img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--bg-secondary);
}

.proyecto-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.proyecto-card:hover .proyecto-img-wrapper img {
    transform: scale(1.05);
}

.proyecto-overlay {
    position: absolute;
    inset: 0;
    background: rgba(108, 99, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.proyecto-card:hover .proyecto-overlay {
    opacity: 1;
}

.overlay-btn {
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 28px;
    border: 2px solid #fff;
    border-radius: 50px;
    transition: var(--transition);
}

.overlay-btn:hover {
    background: #fff;
    color: var(--accent);
}

.proyecto-info {
    padding: 24px;
}

.proyecto-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.proyecto-info p {
    color: var(--text-muted);
    font-size: 0.93rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.proyecto-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.proyecto-tags span {
    font-size: 0.78rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-light);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

.proyecto-links {
    display: flex;
    gap: 20px;
}

.proyecto-links a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.proyecto-links a:hover {
    color: var(--accent);
}

/* ===========================
   CONTACTO
   =========================== */
.contact-intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 500px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 36px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.contact-card i {
    font-size: 2rem;
    color: var(--accent);
}

.contact-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-card span {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* ===========================
   FOOTER
   =========================== */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 40px;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* ===========================
   SCROLL TO TOP
   =========================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px var(--accent-glow);
    z-index: 999;
}

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

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

/* ===========================
   REVEAL ANIMATIONS
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children delays */
.hero-content .reveal:nth-child(1) { transition-delay: 0.1s; }
.hero-content .reveal:nth-child(2) { transition-delay: 0.2s; }
.hero-content .reveal:nth-child(3) { transition-delay: 0.3s; }
.hero-content .reveal:nth-child(4) { transition-delay: 0.4s; }
.hero-content .reveal:nth-child(5) { transition-delay: 0.5s; }
.hero-content .reveal:nth-child(6) { transition-delay: 0.6s; }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 120px 24px 60px;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-socials {
        justify-content: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 14px 24px;
    }

    .hamburger {
        display: flex;
    }

    #nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 4px;
        border-left: 1px solid var(--border);
        transition: right 0.35s ease;
    }

    #nav-menu.open {
        right: 0;
    }

    .nav-link {
        padding: 14px 16px;
        font-size: 1rem;
    }

    section {
        padding: 80px 24px;
    }

    .section-title {
        margin-bottom: 36px;
    }

    .proyectos-container {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
        letter-spacing: -1px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.88rem;
    }
}