@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root{
    --bg:#05060A;
    --surface:#0E0B17;
    --card:#171224;

    --blue:#5A7DFF;
    --purple:#8B5CF6;
    --purple-light:#A855F7;
    --purple-dark:#6D28D9;

    --text:#FFFFFF;
    --text2:#BFC3D8;

    --border:rgba(168,85,247,.15);
}

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Poppins',sans-serif;
    color:var(--text);
    overflow-x:hidden;
    background:
        radial-gradient(circle at 15% 10%, rgba(168,85,247,.20), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(90,125,255,.18), transparent 30%),
        radial-gradient(circle at 80% 85%, rgba(109,40,217,.18), transparent 30%),
        var(--bg);
}

a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}

.bg-glow{
    position:fixed;
    border-radius:50%;
    filter:blur(150px);
    z-index:-1;
}

.glow-1{
    width:500px;
    height:500px;
    background:#A855F7;
    top:-180px;
    left:-120px;
    opacity:.22;
}

.glow-2{
    width:600px;
    height:600px;
    background:#6D28D9;
    bottom:-220px;
    right:-150px;
    opacity:.18;
}

header{
    position:sticky;
    top:0;
    z-index:100;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 8%;
    backdrop-filter:blur(14px);
    background:rgba(5,6,10,.45);
    border-bottom:1px solid rgba(255,255,255,.05);
}

.logo{
    font-size:1.6rem;
    font-weight:800;
    white-space:nowrap;
}
.logo span{
    color:var(--purple-light);
}

nav{
    display:flex;
    gap:32px;
}
nav a{
    color:var(--text2);
    transition:.3s;
    position:relative;
    font-size:.95rem;
}
nav a::after{
    content:'';
    position:absolute;
    bottom:-4px;
    left:0;
    width:0;
    height:2px;
    background:var(--purple-light);
    border-radius:2px;
    transition:.3s;
}
nav a:hover{
    color:#fff;
}
nav a:hover::after,
nav a.active::after{
    width:100%;
}
nav a.active{
    color:#fff;
}

.header-actions{
    display:flex;
    align-items:center;
    gap:16px;
}

.btn-primary{
    display:inline-block;
    padding:14px 28px;
    border-radius:14px;
    font-weight:600;
    color:#fff;
    background:linear-gradient(135deg,#8B5CF6,#A855F7,#5A7DFF);
    box-shadow:0 0 18px rgba(168,85,247,.35),0 0 45px rgba(90,125,255,.20);
    transition:.3s;
    border:none;
    cursor:pointer;
    font-family:inherit;
    font-size:inherit;
    white-space:nowrap;
}
.btn-primary:hover{
    transform:translateY(-3px);
    box-shadow:0 0 28px rgba(168,85,247,.45),0 0 55px rgba(90,125,255,.30);
}

.btn-secondary{
    display:inline-block;
    padding:14px 28px;
    border-radius:14px;
    border:1px solid var(--border);
    background:rgba(255,255,255,.03);
    color:#fff;
    transition:.3s;
}
.btn-secondary:hover{
    border-color:var(--purple-light);
    background:rgba(168,85,247,.08);
}

section{
    padding:100px 8%;
}

/* ===== HAMBURGER ===== */
.hamburger{
    display:none;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    width:40px;
    height:40px;
    background:rgba(255,255,255,.05);
    border:1px solid var(--border);
    border-radius:10px;
    cursor:pointer;
    position:relative;
    z-index:110;
}
.hamburger span{
    display:block;
    width:20px;
    height:2px;
    background:#fff;
    border-radius:2px;
    transition:.3s;
}
.hamburger span + span{
    margin-top:5px;
}
.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);
}

.overlay{
    position:fixed;
    inset:0;
    background:rgba(5,6,10,.85);
    backdrop-filter:blur(10px);
    z-index:90;
    opacity:0;
    pointer-events:none;
    transition:.4s;
}
.overlay.active{
    opacity:1;
    pointer-events:all;
}

/* ===== HERO ===== */
.hero{
    min-height:90vh;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:70px;
    align-items:center;
    padding-top:40px;
}

.badge{
    display:inline-block;
    margin-bottom:24px;
    padding:10px 18px;
    border-radius:999px;
    border:1px solid rgba(168,85,247,.35);
    background:rgba(168,85,247,.10);
    color:#D8B4FE;
    font-size:.85rem;
    font-weight:500;
    letter-spacing:.5px;
}

.hero h1{
    font-size:clamp(2.4rem, 5vw, 4rem);
    line-height:1.1;
    margin-bottom:20px;
    background:linear-gradient(90deg,#fff,#D8B4FE,#8B5CF6);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

.hero p{
    color:var(--text2);
    max-width:560px;
    line-height:1.8;
    font-size:1.05rem;
}

.hero-buttons{
    display:flex;
    gap:16px;
    margin-top:36px;
}

/* ===== MOCKUP ===== */
.mockup{
    height:520px;
    border-radius:18px;
    border:1px solid var(--border);
    background:rgba(20,17,32,.65);
    backdrop-filter:blur(20px);
    display:flex;
    flex-direction:column;
    overflow:hidden;
}
.mockup-bar{
    display:flex;
    gap:8px;
    padding:14px 18px;
    border-bottom:1px solid var(--border);
    background:rgba(255,255,255,.02);
}
.mockup-bar span{
    width:12px;
    height:12px;
    border-radius:50%;
    background:rgba(255,255,255,.12);
}
.mockup-bar span:nth-child(1){background:#ff5f57;}
.mockup-bar span:nth-child(2){background:#febc2e;}
.mockup-bar span:nth-child(3){background:#28c840;}
.mockup-screen{
    flex:1;
    padding:30px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:14px;
}
.mockup-logo{
    font-size:1.8rem;
    font-weight:800;
    margin-bottom:12px;
}
.mockup-logo span{color:var(--purple-light);}
.mockup-line{
    height:14px;
    border-radius:8px;
    background:linear-gradient(90deg,rgba(168,85,247,.25),rgba(90,125,255,.15));
}
.mockup-line.short{
    width:40%;
}
.mockup-cards{
    display:flex;
    gap:12px;
    margin-top:22px;
}
.mockup-cards span{
    flex:1;
    height:70px;
    border-radius:10px;
    background:rgba(168,85,247,.12);
    border:1px solid rgba(168,85,247,.10);
}

/* ===== SERVICES ===== */
.section-title{
    text-align:center;
    margin-bottom:60px;
}
.section-title h2{
    font-size:clamp(1.8rem, 3.5vw, 2.6rem);
    margin-bottom:10px;
}
.section-title p{
    color:var(--text2);
    font-size:1.05rem;
}

.cards{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
}

.card{
    background:rgba(20,17,32,.78);
    border:1px solid rgba(168,85,247,.18);
    backdrop-filter:blur(18px);
    border-radius:20px;
    padding:34px 28px;
    transition:.35s;
    cursor:default;
}
.card:hover{
    transform:translateY(-8px);
    border-color:#A855F7;
    box-shadow:0 15px 40px rgba(168,85,247,.18);
}
.card-icon{
    margin-bottom:20px;
}
.card h3{
    font-size:1.2rem;
    margin-bottom:8px;
}
.card p{
    color:var(--text2);
    font-size:.95rem;
    line-height:1.6;
}

/* ===== PORTFOLIO ===== */
.portfolio-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
}
.project{
    height:280px;
    border-radius:20px;
    border:1px solid var(--border);
    background:linear-gradient(135deg,rgba(168,85,247,.16),rgba(90,125,255,.12));
    position:relative;
    overflow:hidden;
    cursor:pointer;
    transition:.4s;
}
.project img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    transition:.5s ease;
}
.project:hover img{
    transform:scale(1.08);
}
.project::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(transparent 50%, rgba(5,6,10,.85));
    pointer-events:none;
}
.project::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,var(--accent),transparent 60%);
    opacity:0;
    transition:.4s;
    z-index:1;
}
.project:hover::before{
    opacity:.6;
}
.project:hover{
    border-color:var(--accent);
    transform:scale(1.02);
}
.project-overlay{
    position:absolute;
    bottom:0;
    left:0;
    right:0;
    padding:24px;
    background:linear-gradient(transparent,rgba(5,6,10,.9));
    transform:translateY(20px);
    opacity:0;
    transition:.4s;
    z-index:2;
}
.project:hover .project-overlay{
    transform:translateY(0);
    opacity:1;
}
.project-tag{
    display:inline-block;
    padding:4px 12px;
    border-radius:999px;
    background:var(--accent);
    color:#fff;
    font-size:.78rem;
    font-weight:600;
    margin-bottom:10px;
}
.project-overlay h3{
    font-size:1.1rem;
    margin-bottom:4px;
}
.project-overlay p{
    color:var(--text2);
    font-size:.88rem;
}

/* ===== CONTACT ===== */
.contact-wrapper{
    display:grid;
    grid-template-columns:1.2fr 1fr;
    gap:50px;
    align-items:start;
}

.contact-form{
    background:rgba(20,17,32,.65);
    border:1px solid var(--border);
    backdrop-filter:blur(18px);
    border-radius:20px;
    padding:36px;
}

.form-group{
    margin-bottom:20px;
}
.form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}

.form-group label{
    display:block;
    font-size:.85rem;
    font-weight:500;
    color:var(--text2);
    margin-bottom:6px;
}

.form-group input,
.form-group textarea{
    width:100%;
    padding:14px 16px;
    border-radius:12px;
    border:1px solid var(--border);
    background:rgba(255,255,255,.03);
    color:#fff;
    font-family:inherit;
    font-size:.95rem;
    transition:.3s;
    outline:none;
}
.form-group input:focus,
.form-group textarea:focus{
    border-color:var(--purple-light);
    box-shadow:0 0 0 3px rgba(168,85,247,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder{
    color:rgba(191,195,216,.4);
}
.form-group textarea{
    resize:vertical;
    min-height:110px;
}
.form-group.error input,
.form-group.error textarea{
    border-color:#ff5f57;
}
.form-error{
    display:block;
    font-size:.8rem;
    color:#ff5f57;
    margin-top:4px;
    min-height:0;
    opacity:0;
    transition:.3s;
}
.form-group.error .form-error{
    opacity:1;
}

.btn-submit{
    width:100%;
    padding:16px;
    font-size:1rem;
    margin-top:8px;
    position:relative;
    overflow:hidden;
}
.btn-submit.loading .btn-text{
    opacity:0;
}
.btn-submit.loading .btn-loading{
    opacity:1;
}
.btn-loading{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    opacity:0;
    transition:.3s;
}
.btn-loading::after{
    content:'';
    width:20px;
    height:20px;
    border:2px solid transparent;
    border-top-color:#fff;
    border-radius:50%;
    animation:spin .6s linear infinite;
}
@keyframes spin{
    to{transform:rotate(360deg);}
}

.btn-submit.success{
    background:linear-gradient(135deg,#28c840,#1ea832);
    box-shadow:0 0 18px rgba(40,200,64,.35);
}

.contact-info{
    display:flex;
    flex-direction:column;
    gap:24px;
}
.contact-item{
    display:flex;
    align-items:flex-start;
    gap:16px;
    padding:20px;
    background:rgba(20,17,32,.55);
    border:1px solid var(--border);
    border-radius:16px;
    backdrop-filter:blur(14px);
    transition:.3s;
}
.contact-item:hover{
    border-color:var(--purple-light);
}
.contact-item h4{
    font-size:.9rem;
    margin-bottom:2px;
}
.contact-item p{
    color:var(--text2);
    font-size:.9rem;
}

.contact-social{
    display:flex;
    gap:12px;
    margin-top:8px;
}
.social-link{
    width:46px;
    height:46px;
    border-radius:12px;
    border:1px solid var(--border);
    background:rgba(255,255,255,.03);
    display:flex;
    align-items:center;
    justify-content:center;
    color:var(--text2);
    transition:.3s;
}
.social-link:hover{
    border-color:var(--purple-light);
    color:#fff;
    background:rgba(168,85,247,.1);
    transform:translateY(-3px);
}

/* ===== CTA ===== */
.cta{
    text-align:center;
    border-radius:30px;
    background:linear-gradient(135deg,rgba(168,85,247,.12),rgba(90,125,255,.08));
    margin:0 8% 40px;
    padding:80px 8%;
}
.cta h2{
    font-size:clamp(1.8rem, 3.5vw, 3rem);
}
.cta p{
    color:var(--text2);
    margin:18px 0 32px;
}

/* ===== FOOTER ===== */
footer{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:40px 8%;
    border-top:1px solid rgba(255,255,255,.05);
}
footer p{
    color:var(--text2);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{
    position:fixed;
    bottom:30px;
    right:90px;
    width:56px;
    height:56px;
    border-radius:16px;
    background:linear-gradient(135deg,#25D366,#128C7E);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 4px 20px rgba(37,211,102,.35);
    z-index:89;
    transition:.3s;
}
.whatsapp-float:hover{
    transform:scale(1.1);
    box-shadow:0 6px 30px rgba(37,211,102,.5);
}
.whatsapp-float::before{
    content:'';
    position:absolute;
    inset:-4px;
    border-radius:20px;
    background:rgba(37,211,102,.25);
    animation:pulse-whatsapp 2s ease-in-out infinite;
    z-index:-1;
}
@keyframes pulse-whatsapp{
    0%,100%{transform:scale(1);opacity:.5;}
    50%{transform:scale(1.3);opacity:0;}
}

/* ===== BACK TO TOP ===== */
.back-to-top{
    position:fixed;
    bottom:30px;
    right:30px;
    width:48px;
    height:48px;
    border-radius:14px;
    border:1px solid var(--border);
    background:rgba(20,17,32,.8);
    backdrop-filter:blur(14px);
    color:#fff;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    opacity:0;
    pointer-events:none;
    transform:translateY(20px);
    transition:.4s;
    z-index:90;
}
.back-to-top.visible{
    opacity:1;
    pointer-events:all;
    transform:translateY(0);
}
.back-to-top:hover{
    border-color:var(--purple-light);
    background:rgba(168,85,247,.15);
    transform:translateY(-3px);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal{
    opacity:0;
    transform:translateY(40px);
    transition:opacity .7s ease, transform .7s ease;
}
.reveal.visible{
    opacity:1;
    transform:translateY(0);
}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}
.reveal-delay-4{transition-delay:.4s;}

/* ===== RESPONSIVE ===== */
@media(max-width:1000px){
    .hero{
        grid-template-columns:1fr;
        text-align:center;
        gap:50px;
    }
    .hero p{margin:0 auto;}
    .hero-buttons{justify-content:center;flex-wrap:wrap;}
    .cards{grid-template-columns:repeat(2,1fr);}
    .contact-wrapper{grid-template-columns:1fr;}
    .section-title{margin-bottom:40px;}
}

@media(max-width:800px){
    section{padding:70px 6%;}
    header{padding:16px 6%;}

    nav{
        position:fixed;
        top:0;
        right:-280px;
        width:280px;
        height:100vh;
        flex-direction:column;
        gap:0;
        background:rgba(14,11,23,.98);
        backdrop-filter:blur(20px);
        border-left:1px solid var(--border);
        padding:100px 32px 32px;
        transition:.4s;
        z-index:100;
    }
    nav.active{
        right:0;
    }
    nav a{
        padding:16px 0;
        border-bottom:1px solid rgba(255,255,255,.04);
        font-size:1rem;
    }
    nav a::after{display:none;}

    .hamburger{
        display:flex;
    }

    .mockup{height:380px;}
    .hero h1{font-size:2.4rem;}
    .cards{grid-template-columns:1fr;}
    .portfolio-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    footer{
        flex-direction:column;
        gap:18px;
        text-align:center;
    }
    .cta{
        margin:0 6% 30px;
        padding:60px 6%;
    }
    .whatsapp-float{
        bottom:20px;
        right:74px;
        width:48px;
        height:48px;
    }
    .whatsapp-float svg{
        width:22px;
        height:22px;
    }
    .back-to-top{
        bottom:20px;
        right:20px;
        width:44px;
        height:44px;
    }
}

@media(max-width:480px){
    section{padding:50px 5%;}
    header{padding:14px 5%;}
    .hero h1{font-size:1.9rem;}
    .hero{padding-top:20px;min-height:auto;}
    .mockup{height:300px;}
    .mockup-screen{padding:20px;}
    .mockup-logo{font-size:1.4rem;}
    .contact-form{padding:24px;}
    .btn-primary{padding:12px 22px;font-size:.9rem;}
}