/* ============================================
   PROJECT IT - Estilos Profesionales
   Diseño moderno, responsivo y atractivo
   ============================================ */

/* ----- CSS Custom Properties ----- */
:root {
    --primary: #6C63FF;
    --primary-dark: #5A52D5;
    --primary-light: #8B85FF;
    --secondary: #00D9A6;
    --accent: #FF6B6B;
    --dark: #0B0D1A;
    --dark-2: #12142A;
    --dark-3: #1A1D3A;
    --gray-100: #F0F0F5;
    --gray-200: #E0E0EB;
    --gray-300: #B0B0C5;
    --gray-400: #80809F;
    --gray-500: #505070;
    --white: #FFFFFF;
    --gradient-1: linear-gradient(135deg, #6C63FF, #00D9A6);
    --gradient-2: linear-gradient(135deg, #6C63FF, #FF6B6B);
    --gradient-3: linear-gradient(135deg, #00D9A6, #6C63FF);
    --shadow-sm: 0 2px 8px rgba(108, 99, 255, 0.1);
    --shadow-md: 0 8px 30px rgba(108, 99, 255, 0.15);
    --shadow-lg: 0 20px 60px rgba(108, 99, 255, 0.2);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.3);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
}

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

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

body {
    font-family: var(--font);
    background: var(--dark);
    color: var(--gray-100);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* ----- Typography ----- */
.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section__tag {
    display: inline-block;
    padding: 6px 20px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
}

.section__desc {
    font-size: 1.1rem;
    color: var(--gray-300);
    line-height: 1.7;
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn--outline:hover {
    border-color: var(--primary);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-3px);
}

.btn--large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   HEADER / NAVBAR
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(11, 13, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
    padding: 10px 0;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.logo__icon {
    font-size: 1.8rem;
    color: var(--primary);
}

.logo__highlight {
    color: var(--primary);
}

.nav__list {
    display: flex;
    gap: 32px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-300);
    position: relative;
    padding: 4px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: var(--transition);
    border-radius: 2px;
}

.nav__link:hover,
.nav__link.active {
    color: var(--white);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger__line {
    width: 28px;
    height: 2.5px;
    background: var(--white);
    border-radius: 4px;
    transition: var(--transition);
}

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

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

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

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

/* Background Slider - Imagen de fondo completo sin bordes */
.hero__slider {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__slide {
    position: absolute;
    inset: -10px; /* Se extiende más allá para evitar bordes */
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    /* Animación de flotación armónica muy sutil */
    animation: heroFloat 15s ease-in-out infinite;
    will-change: transform;
    opacity: 0.55;
}

@keyframes heroFloat {
    0%, 100% {
        transform: scale(1) translateY(0px);
    }
    33% {
        transform: scale(1.03) translateY(-10px);
    }
    66% {
        transform: scale(1.01) translateY(-5px);
    }
}

.hero__slide--mundo {
    background-image: url('Imagenes/mundo.png');
}

/* Overlay oscuro para legibilidad del texto */
.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: 
        linear-gradient(
            135deg,
            rgba(11, 13, 26, 0.92) 0%,
            rgba(11, 13, 26, 0.70) 40%,
            rgba(11, 13, 26, 0.50) 100%
        );
    pointer-events: none;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 217, 166, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(108, 99, 255, 0.15);
    border: 1px solid rgba(108, 99, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--white);
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 540px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 50px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* Code Card */
.hero__visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero__code-card {
    background: rgba(26, 29, 58, 0.8);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-md);
    overflow: hidden;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-glow);
    backdrop-filter: blur(10px);
}

.code-card__header {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    background: rgba(11, 13, 26, 0.5);
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot--red { background: #FF5F57; }
.code-dot--yellow { background: #FFBD2E; }
.code-dot--green { background: #28C840; }

.code-card__body {
    padding: 20px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-card__body pre {
    white-space: pre-wrap;
}

.code-keyword { color: #FF79C6; }
.code-func { color: #50FA7B; }
.code-string { color: #F1FA8C; }
.code-boolean { color: #FF79C6; }
.code-comment { color: #6272A4; font-style: italic; }

/* ============================================
   ABOUT
   ============================================ */
.about {
    background: var(--dark-2);
}

.about__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.about__card {
    background: var(--dark-3);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.about__card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: var(--shadow-md);
}

.about__icon {
    width: 64px;
    height: 64px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: var(--primary);
}

.about__card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.about__card p {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    background: var(--dark);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--dark-3);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: var(--shadow-md);
}

.service-card__icon {
    width: 60px;
    height: 60px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-card__icon {
    background: var(--gradient-1);
    color: var(--white);
}

.service-card__title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.service-card__desc {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card__features {
    margin-bottom: 20px;
}

.service-card__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-300);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.service-card__features li i {
    color: var(--secondary);
    font-size: 0.85rem;
}

.service-card__tagline {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(108, 99, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
}

.service-card__tagline i {
    color: var(--secondary);
}

/* ============================================
   CTA
   ============================================ */
.cta {
    background: var(--dark-2);
    text-align: center;
}

.cta__content {
    max-width: 650px;
    margin: 0 auto;
}

.cta__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
}

.cta__desc {
    font-size: 1.15rem;
    color: var(--gray-300);
    margin-bottom: 36px;
    line-height: 1.7;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    background: var(--dark);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact__form {
    background: var(--dark-3);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 40px;
}

.form__group {
    margin-bottom: 20px;
}

.form__group input,
.form__group select,
.form__group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(11, 13, 26, 0.6);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
    color: var(--gray-400);
}

.form__group select {
    color: var(--gray-300);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2380809F' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form__group select option {
    background: var(--dark-3);
    color: var(--white);
}

.form__group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Contact Info */
.contact__info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact__info-card {
    background: var(--dark-3);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.contact__info-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    transform: translateY(-4px);
}

.contact__info-card i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.contact__info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 6px;
}

.contact__info-card p {
    font-size: 0.9rem;
    color: var(--gray-300);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark-2);
    border-top: 1px solid rgba(108, 99, 255, 0.1);
    padding: 80px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(108, 99, 255, 0.1);
}

.footer__brand p {
    color: var(--gray-400);
    margin: 16px 0 24px;
    font-size: 0.95rem;
    max-width: 300px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.footer__social a {
    width: 40px;
    height: 40px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    font-size: 1rem;
    transition: var(--transition);
}

.footer__social a:hover {
    background: var(--gradient-1);
    color: var(--white);
    transform: translateY(-3px);
}

.footer__links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.footer__links ul li {
    margin-bottom: 10px;
}

.footer__links ul li a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer__links ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer__newsletter h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.footer__newsletter p {
    color: var(--gray-400);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer__form {
    display: flex;
    gap: 0;
}

.footer__form input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(11, 13, 26, 0.6);
    border: 1px solid rgba(108, 99, 255, 0.15);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    color: var(--white);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
}

.footer__form input:focus {
    border-color: var(--primary);
}

.footer__form button {
    padding: 12px 20px;
    background: var(--gradient-1);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.footer__form button:hover {
    opacity: 0.9;
}

.footer__bottom {
    padding: 24px 0;
    text-align: center;
}

.footer__bottom p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__subtitle {
        margin: 0 auto 36px;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        display: none;
    }

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

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

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

/* Mobile */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(11, 13, 26, 0.98);
        backdrop-filter: blur(20px);
        padding: 80px 30px 30px;
        transition: var(--transition);
        border-left: 1px solid rgba(108, 99, 255, 0.1);
    }

    .nav.open {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 24px;
    }

    .nav__link {
        font-size: 1.1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

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

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

    .contact__form {
        padding: 24px;
    }

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

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

    .footer__brand p {
        max-width: 100%;
    }
}

/* Pantallas ultra-wide (mayor a 1920px) */
@media (min-width: 1921px) {
    .hero__slide {
        background-size: cover;
    }
}

/* Landscape en móviles */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 120vh;
        padding: 100px 0 40px;
    }
    
    .hero__title {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
    }
    
    .hero__subtitle {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
    
    .hero__actions {
        margin-bottom: 20px;
    }
    
    .hero__visual {
        display: none;
    }
}

/* Tablets en landscape */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .hero__visual {
        display: flex;
    }
    
    .hero__code-card {
        max-width: 320px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__actions .btn {
        justify-content: center;
    }

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

    .btn--large {
        padding: 14px 28px;
        font-size: 1rem;
    }
}