/* =========================================================
   PREMIUM MODERN DARK UI
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 10% 10%, rgba(99, 102, 241, 0.15), transparent 30%),
        radial-gradient(circle at 90% 20%, rgba(168, 85, 247, 0.12), transparent 30%),
        linear-gradient(135deg, #020617 0%, #0b1120 50%, #111827 100%);
    color: #f8fafc;
    overflow-x: hidden;
}


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

.navbar {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 92%;
    z-index: 1000;

    padding: 14px 25px;

    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;

    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px rgba(255, 255, 255, 0.08);

    transition: 0.4s ease;
}

.navbar:hover {
    border-color: rgba(129, 140, 248, 0.35);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.6rem;

    background: linear-gradient(
        90deg,
        #818cf8,
        #c084fc,
        #22d3ee
    );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    letter-spacing: -0.5px;
}

.nav-link {
    position: relative;

    color: #cbd5e1 !important;
    margin-left: 20px;

    font-weight: 500;

    transition: 0.3s ease;
}

.nav-link::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -5px;

    width: 0;
    height: 2px;

    background: linear-gradient(
        90deg,
        #818cf8,
        #c084fc
    );

    transition: 0.3s ease;
}

.nav-link:hover {
    color: #ffffff !important;
}

.nav-link:hover::after {
    width: 100%;
}


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

.hero {
    position: relative;

    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 100px 20px 60px;

    overflow: hidden;
}


/* HERO IMAGE */

.hero::before {
    content: "";

    position: absolute;
    inset: -5%;

    background:
        linear-gradient(
            135deg,
            rgba(2, 6, 23, 0.85),
            rgba(15, 23, 42, 0.55)
        ),
        url("banner.jpg") center/cover no-repeat;

    z-index: -3;

    animation: heroZoom 18s ease-in-out infinite alternate;
}

@keyframes heroZoom {

    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.12);
    }
}


/* COLOR OVERLAY */

.hero::after {
    content: "";

    position: absolute;
    inset: 0;

    background:
        radial-gradient(
            circle at 50% 45%,
            rgba(99, 102, 241, 0.18),
            transparent 45%
        ),
        linear-gradient(
            to bottom,
            rgba(2, 6, 23, 0.2),
            rgba(2, 6, 23, 0.9)
        );

    z-index: -2;
}


/* =========================================================
   FLOATING LIGHTS
   ========================================================= */

.hero .light {
    position: absolute;

    width: 250px;
    height: 250px;

    border-radius: 50%;

    background: rgba(129, 140, 248, 0.12);

    filter: blur(70px);

    pointer-events: none;

    animation: floatingLight 8s ease-in-out infinite;
}

@keyframes floatingLight {

    0% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(40px, -30px);
    }

    100% {
        transform: translate(0, 0);
    }
}


/* =========================================================
   GLASS HERO BOX
   ========================================================= */

.glass-box {
    position: relative;

    max-width: 850px;

    padding: 65px 55px;

    text-align: center;

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.10),
            rgba(255,255,255,0.03)
        );

    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);

    border: 1px solid rgba(255,255,255,0.15);

    border-radius: 30px;

    box-shadow:
        0 30px 80px rgba(0,0,0,0.45),
        inset 0 1px rgba(255,255,255,0.12);

    animation: heroFloat 6s ease-in-out infinite;
}

.glass-box::before {
    content: "";

    position: absolute;

    inset: -1px;

    border-radius: inherit;

    padding: 1px;

    background:
        linear-gradient(
            135deg,
            rgba(129,140,248,0.7),
            transparent 35%,
            rgba(192,132,252,0.5)
        );

    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);

    -webkit-mask-composite: xor;

    mask-composite: exclude;

    pointer-events: none;
}

@keyframes heroFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}


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

.hero h1 {

    font-size: clamp(2.5rem, 6vw, 5rem);

    font-weight: 900;

    line-height: 1.05;

    letter-spacing: -2px;

    background:
        linear-gradient(
            90deg,
            #ffffff,
            #c7d2fe,
            #d8b4fe,
            #67e8f9
        );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

    margin-bottom: 20px;

    animation: titleGlow 4s ease-in-out infinite alternate;
}

@keyframes titleGlow {

    from {
        filter: drop-shadow(
            0 0 5px rgba(129,140,248,0.2)
        );
    }

    to {
        filter: drop-shadow(
            0 0 25px rgba(168,85,247,0.4)
        );
    }
}

.hero p {

    max-width: 650px;

    margin: 0 auto 30px;

    color: #cbd5e1;

    font-size: 1.15rem;

    line-height: 1.8;
}


/* =========================================================
   PREMIUM BUTTON
   ========================================================= */

.btn-neon {

    position: relative;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 13px 32px;

    border: none;

    border-radius: 50px;

    color: #ffffff;

    font-weight: 700;

    text-decoration: none;

    background:
        linear-gradient(
            135deg,
            #6366f1,
            #8b5cf6,
            #c084fc
        );

    box-shadow:
        0 10px 30px rgba(99,102,241,0.35);

    overflow: hidden;

    transition: 0.35s ease;
}

.btn-neon::before {

    content: "";

    position: absolute;

    top: 0;
    left: -100%;

    width: 100%;
    height: 100%;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(255,255,255,0.35),
            transparent
        );

    transition: 0.6s ease;
}

.btn-neon:hover::before {
    left: 100%;
}

.btn-neon:hover {

    transform: translateY(-4px);

    box-shadow:
        0 15px 40px rgba(129,140,248,0.5);

    color: #ffffff;
}


/* =========================================================
   SECONDARY BUTTON
   ========================================================= */

.btn-outline {

    display: inline-flex;

    padding: 12px 30px;

    margin-left: 10px;

    border-radius: 50px;

    color: #e2e8f0;

    border: 1px solid rgba(255,255,255,0.2);

    background: rgba(255,255,255,0.05);

    backdrop-filter: blur(10px);

    text-decoration: none;

    transition: 0.3s ease;
}

.btn-outline:hover {

    background: rgba(255,255,255,0.12);

    border-color: rgba(255,255,255,0.4);

    transform: translateY(-3px);

    color: #ffffff;
}


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

.section {

    position: relative;

    padding: 110px 20px;

    background:
        radial-gradient(
            circle at 20% 20%,
            rgba(99,102,241,0.08),
            transparent 30%
        ),
        radial-gradient(
            circle at 80% 80%,
            rgba(192,132,252,0.06),
            transparent 30%
        );
}

.section-title {

    text-align: center;

    font-size: clamp(2rem, 4vw, 3.2rem);

    font-weight: 800;

    margin-bottom: 15px;

    background:
        linear-gradient(
            90deg,
            #ffffff,
            #a5b4fc,
            #d8b4fe
        );

    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {

    text-align: center;

    color: #94a3b8;

    max-width: 650px;

    margin: 0 auto 50px;

    line-height: 1.7;
}


/* =========================================================
   CARDS
   ========================================================= */

.card-glass {

    position: relative;

    height: 100%;

    padding: 35px 30px;

    text-align: center;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.08),
            rgba(255,255,255,0.025)
        );

    backdrop-filter: blur(20px);

    border: 1px solid rgba(255,255,255,0.1);

    border-radius: 24px;

    overflow: hidden;

    transition:
        transform 0.45s ease,
        box-shadow 0.45s ease,
        border-color 0.45s ease;
}

.card-glass::before {

    content: "";

    position: absolute;

    top: -100px;
    left: 50%;

    width: 200px;
    height: 200px;

    transform: translateX(-50%);

    background: rgba(99,102,241,0.15);

    filter: blur(70px);

    transition: 0.5s ease;
}

.card-glass:hover {

    transform: translateY(-12px);

    border-color: rgba(129,140,248,0.35);

    box-shadow:
        0 25px 60px rgba(0,0,0,0.35),
        0 0 40px rgba(99,102,241,0.12);
}

.card-glass:hover::before {

    background: rgba(192,132,252,0.25);

    transform:
        translateX(-50%)
        scale(1.4);
}


/* CARD ICON */

.card-icon {

    width: 70px;
    height: 70px;

    margin: 0 auto 20px;

    display: flex;

    align-items: center;
    justify-content: center;

    border-radius: 20px;

    font-size: 30px;

    background:
        linear-gradient(
            135deg,
            rgba(99,102,241,0.25),
            rgba(192,132,252,0.2)
        );

    border: 1px solid rgba(255,255,255,0.1);

    box-shadow:
        0 10px 30px rgba(99,102,241,0.15);

    transition: 0.4s ease;
}

.card-glass:hover .card-icon {

    transform: rotate(-5deg) scale(1.1);

    box-shadow:
        0 15px 40px rgba(129,140,248,0.3);
}

.card-glass h3 {

    font-size: 1.35rem;

    margin-bottom: 12px;

    color: #ffffff;
}

.card-glass p {

    color: #94a3b8;

    line-height: 1.7;
}


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

.footer {

    position: relative;

    padding: 35px 20px;

    text-align: center;

    background: rgba(2,6,23,0.7);

    border-top: 1px solid rgba(255,255,255,0.08);

    color: #94a3b8;
}

.footer::before {

    content: "";

    position: absolute;

    top: -1px;
    left: 50%;

    width: 150px;
    height: 1px;

    transform: translateX(-50%);

    background:
        linear-gradient(
            90deg,
            transparent,
            #818cf8,
            transparent
        );
}


/* =========================================================
   SCROLLBAR
   ========================================================= */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {

    border-radius: 20px;

    background:
        linear-gradient(
            #6366f1,
            #c084fc
        );
}

::-webkit-scrollbar-thumb:hover {
    background: #818cf8;
}


/* =========================================================
   SELECTION
   ========================================================= */

::selection {

    background: rgba(129,140,248,0.35);

    color: #ffffff;
}


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

@media (max-width: 768px) {

    .navbar {

        width: 95%;

        padding: 12px 18px;
    }

    .navbar-brand {
        font-size: 1.3rem;
    }

    .nav-link {
        margin-left: 0;

        padding: 10px 0;
    }

    .hero {

        min-height: 100vh;

        padding: 100px 15px 50px;
    }

    .glass-box {

        padding: 45px 25px;

        border-radius: 22px;
    }

    .hero h1 {

        font-size: 2.7rem;

        letter-spacing: -1px;
    }

    .hero p {

        font-size: 1rem;
    }

    .btn-neon,
    .btn-outline {

        width: 100%;

        margin: 6px 0;
    }

    .section {

        padding: 75px 15px;
    }

    .card-glass {

        padding: 30px 22px;
    }
}