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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #070711;
    color: #ffffff;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
}


/* =========================
   NAVBAR
========================= */

.navbar {
    width: 100%;
    height: 76px;
    padding: 0 7%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: rgba(7,7,17,0.9);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(15px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 700;
}

.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    box-shadow: 0 0 25px rgba(124,58,237,0.45);
}

.ai {
    color: #a78bfa;
}

.navbar nav {
    display: flex;
    gap: 35px;
}

.navbar nav a {
    color: #a9a9b8;
    font-size: 14px;
    transition: 0.3s;
}

.navbar nav a:hover {
    color: white;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.login-btn {
    background: transparent;
    color: #c5c5d0;
    padding: 11px 18px;
}

.primary-btn {
    background: linear-gradient(135deg, #7c3aed, #5b4bea);
    color: white;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    box-shadow: 0 8px 30px rgba(99,67,220,0.25);
    transition: 0.3s;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(99,67,220,0.4);
}

.secondary-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    color: white;
    padding: 12px 22px;
    border-radius: 10px;
    font-weight: 600;
    transition: 0.3s;
}

.secondary-btn:hover {
    background: rgba(255,255,255,0.1);
}

.large {
    padding: 15px 27px;
    font-size: 15px;
}


/* =========================
   HERO
========================= */

.hero {
    min-height: 760px;
    padding: 100px 7% 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 70px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    background: #6d28d9;
    opacity: 0.12;
    filter: blur(130px);
    border-radius: 50%;
    top: 50px;
    left: 5%;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 30px;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(167,139,250,0.2);
    color: #c4b5fd;
    font-size: 13px;
    margin-bottom: 25px;
}

.hero h1 {
    font-size: clamp(48px, 6vw, 78px);
    line-height: 1.05;
    letter-spacing: -3px;
    margin-bottom: 25px;
}

.hero h1 span {
    display: block;
    background: linear-gradient(90deg, #a78bfa, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content > p {
    color: #9b9baa;
    font-size: 18px;
    max-width: 540px;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
}

.trust {
    margin-top: 25px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    color: #777786;
    font-size: 12px;
}


/* =========================
   AI PREVIEW
========================= */

.ai-preview {
    width: 570px;
    min-width: 450px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 18px;
    overflow: hidden;
    background: #10101b;
    box-shadow:
        0 40px 100px rgba(0,0,0,0.5),
        0 0 70px rgba(99,67,220,0.12);
    position: relative;
    z-index: 2;
}

.window-top {
    height: 48px;
    display: flex;
    align-items: center;
    padding: 0 17px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #555;
}

.window-title {
    margin: auto;
    color: #888897;
    font-size: 12px;
}

.preview-body {
    display: flex;
    height: 370px;
}

.sidebar {
    width: 145px;
    padding: 20px 10px;
    border-right: 1px solid rgba(255,255,255,0.06);
}

.side-item {
    padding: 10px;
    color: #777786;
    font-size: 12px;
    border-radius: 7px;
    margin-bottom: 5px;
}

.side-item.active {
    color: white;
    background: rgba(124,58,237,0.15);
}

.chat {
    flex: 1;
    padding: 24px;
}

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

.chat-title small {
    color: #8b5cf6;
    font-size: 9px;
    letter-spacing: 1px;
}

.chat-title h3 {
    font-size: 18px;
    margin-top: 3px;
}

.online {
    color: #86efac;
    font-size: 10px;
}

.message {
    padding: 13px;
    border-radius: 9px;
    font-size: 11px;
    margin-top: 22px;
}

.user-message {
    background: rgba(255,255,255,0.05);
    color: #aaaab8;
}

.ai-message {
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.12);
}

.ai-message strong {
    color: #a78bfa;
}

.ai-message p {
    margin-top: 6px;
    color: #aaaab8;
}

.input-box {
    height: 42px;
    margin-top: 25px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px 0 13px;
    color: #666675;
    font-size: 10px;
}

.input-box button {
    width: 27px;
    height: 27px;
    border-radius: 6px;
    background: #7c3aed;
    color: white;
}


/* =========================
   SECTIONS
========================= */

.section {
    padding: 110px 7%;
}

.section-heading {
    text-align: center;
    max-width: 700px;
    margin: auto;
}

.section-heading > span {
    color: #8b5cf6;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
}

.section-heading h2 {
    font-size: 48px;
    line-height: 1.1;
    margin: 15px 0;
    letter-spacing: -2px;
}

.section-heading p {
    color: #888897;
}


/* =========================
   FEATURES
========================= */

.features-grid {
    margin-top: 65px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card {
    padding: 30px;
    background: #0e0e18;
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 15px;
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139,92,246,0.3);
}

.feature-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: rgba(124,58,237,0.12);
    color: #a78bfa;
    font-size: 20px;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 9px;
}

.feature-card p {
    color: #858592;
    font-size: 14px;
}


/* =========================
   HOW IT WORKS
========================= */

.how-section {
    padding: 110px 7%;
    background: #0b0b14;
}

.steps {
    max-width: 1000px;
    margin: 70px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step {
    text-align: center;
}

.step-number {
    color: #8b5cf6;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 18px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 8px;
}

.step p {
    color: #858592;
    font-size: 14px;
}


/* =========================
   PRICING
========================= */

.pricing-grid {
    max-width: 1050px;
    margin: 65px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.price-card {
    padding: 32px;
    background: #0e0e18;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 15px;
    position: relative;
}

.price-card.featured {
    border-color: rgba(139,92,246,0.5);
    box-shadow: 0 20px 70px rgba(99,67,220,0.12);
}

.popular {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 9px;
    padding: 5px 8px;
    border-radius: 5px;
    background: rgba(124,58,237,0.2);
    color: #c4b5fd;
}

.price {
    font-size: 42px;
    font-weight: 700;
    margin: 15px 0 5px;
}

.price small {
    color: #777786;
    font-size: 12px;
    font-weight: normal;
}

.price-card > p {
    color: #777786;
    font-size: 13px;
}

.price-card ul {
    list-style: none;
    margin: 25px 0;
}

.price-card li {
    color: #aaaab8;
    font-size: 13px;
    margin: 12px 0;
}

.full {
    width: 100%;
}


/* =========================
   CTA
========================= */

.cta {
    margin: 30px 7% 100px;
    padding: 65px;
    border-radius: 22px;
    background:
        radial-gradient(circle at 80% 50%, rgba(124,58,237,0.25), transparent 40%),
        #11101c;
    border: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cta > div > span {
    color: #8b5cf6;
    font-size: 11px;
    letter-spacing: 2px;
    font-weight: bold;
}

.cta h2 {
    font-size: 43px;
    line-height: 1.1;
    margin-top: 12px;
}


/* =========================
   FOOTER
========================= */

footer {
    padding: 35px 7%;
    border-top: 1px solid rgba(255,255,255,0.07);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666675;
    font-size: 12px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 600;
}

.footer-logo .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 12px;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 1000px) {

    .navbar nav {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 750px;
    }

    .hero-content > p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons,
    .trust {
        justify-content: center;
    }

    .ai-preview {
        width: 100%;
        min-width: 0;
    }

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

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}


@media (max-width: 650px) {

    .navbar {
        padding: 0 5%;
    }

    .login-btn {
        display: none;
    }

    .hero {
        padding: 70px 5%;
    }

    .hero h1 {
        font-size: 45px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .ai-preview {
        transform: scale(0.95);
    }

    .sidebar {
        display: none;
    }

    .section {
        padding: 80px 5%;
    }

    .section-heading h2 {
        font-size: 37px;
    }

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

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

    .cta {
        margin: 20px 5% 70px;
        padding: 40px 25px;
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }

    .cta h2 {
        font-size: 35px;
    }

    footer {
        flex-direction: column;
        gap: 15px;
    }
}