/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Variables CSS */
:root {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --text-secondary: #b3b3b3;
}

/* Estilos del body */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
}

/* Contenedor principal */
.landing-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* Contenido central */
.content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

/* Logo */
.logo h1 {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    display: inline-block;
    position: relative;
    white-space: nowrap;
}

/* Letras individuales */
.letter {
    display: inline-block;
    color: #ffffff; /* Fallback color */
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: scale(0) rotateY(180deg);
    transform-origin: center;
    position: relative;
    animation: letterAppear 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}


@supports not (-webkit-background-clip: text) {
    .letter {
        -webkit-text-fill-color: initial;
        color: #ffffff;
    }
}

/* Delays escalonados para cada letra */
.letter:nth-child(1) {
    animation-delay: 0.5s;
}

.letter:nth-child(2) {
    animation-delay: 0.7s;
}

.letter:nth-child(3) {
    animation-delay: 0.9s;
}

.letter:nth-child(4) {
    animation-delay: 1.1s;
}

.letter:nth-child(5) {
    animation-delay: 1.3s;
}

/* Cursor animado */
.cursor {
    display: inline-block;
    color: #00ff88;
    font-weight: 300;
    animation: cursorBlink 1s infinite, cursorAppear 0.5s ease-out 1.8s forwards;
    opacity: 0;
    text-shadow: 0 0 10px #00ff88;
}

/* Efecto de hover en las letras */
.letter:hover {
    transform: scale(1.1) rotateY(0deg);
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

/* Slogan */
.slogan p {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    opacity: 0;
    transform: translateY(20px);
    animation: sloganAppear 1s ease-out 2.2s forwards;
}

/* Animación del slogan */
@keyframes sloganAppear {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animación principal de aparición de letras */
@keyframes letterAppear {
    0% {
        opacity: 0;
        transform: scale(0) rotateY(180deg) translateY(50px);
        filter: blur(10px);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.2) rotateY(90deg) translateY(-10px);
        filter: blur(2px);
    }
    80% {
        opacity: 1;
        transform: scale(0.95) rotateY(10deg) translateY(0);
        filter: blur(0);
        text-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotateY(0deg) translateY(0);
        filter: blur(0);
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
}

/* Animación del cursor parpadeante */
@keyframes cursorBlink {
    0%, 50% {
        opacity: 1;
        text-shadow: 0 0 10px #00ff88;
    }
    51%, 100% {
        opacity: 0;
        text-shadow: none;
    }
}

/* Aparición del cursor */
@keyframes cursorAppear {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Efecto de pulso para las letras */
@keyframes letterPulse {
    0% {
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
    50% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 30px rgba(255, 255, 255, 0.4);
    }
    100% {
        text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .content {
        padding: 0 1rem;
    }
    
    .logo h1 {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        margin-bottom: 1rem;
    }
}