/* ==========================================
   YOVIK V4
   PART 1 — FOUNDATION + HERO
========================================== */

:root{

    --bg:#050505;
    --surface:#0b0b0b;

    --white:#ffffff;
    --text:#d8d8d8;

    --red:#b10000;
    --green:#29ff7a;

}

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

html{

    scroll-behavior:smooth;

}

body{

    font-family:"Inter",sans-serif;

    background:var(--bg);

    color:white;

    overflow-x:hidden;

}

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

section{

    padding:70px 40px;

}

/* ==========================
   Navigation
========================== */

.hero-nav{

    display:flex;
    align-items:center;

    width:100%;

    margin-bottom:90px;

}

.brand{

    color:white;

    font-size:1.8rem;
    font-weight:900;

    letter-spacing:2px;

    text-decoration:none;

    display:inline-block;

}

.nav-links{

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

    gap:18px;

    flex:1;

}

.nav-btn{

    display:inline-block;

    padding:10px 22px;

    border-radius:12px;

    background:rgba(255,255,255,.08);

    border:1px solid rgba(255,255,255,.10);

    color:white;

    text-decoration:none;

    font-weight:600;

    transition:all .25s ease;

}

.nav-btn:hover{

    background:#00c853;

    border-color:#00c853;

    transform:translateY(-2px);

    box-shadow:0 10px 25px rgba(0,200,83,.30);

}

.nav-links a{

    color:#cfcfcf;

    text-decoration:none;

    font-weight:600;

    transition:.25s;

}

.nav-links a:hover{

    color:#00c853;

}

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

.hero {

    min-height: 78vh;

    display: flex;

    justify-content: center;

    align-items: center;

    position: relative;

    overflow: hidden;

    isolation: isolate;

    padding-top: 90px;
    padding-bottom: 50px;

    box-sizing: border-box;

    background-image: url("images/yovik-hero.webp");

    background-size: cover;

    background-position: center center;

    background-repeat: no-repeat;

}

/* RED LIGHT */

.hero::before {

    content: "";

    position: absolute;

    inset: 0;

    background: rgba(0, 0, 0, 0.35);

    z-index: -1;

}

/* GREEN LIGHT */

.hero::after{

    content:"";

    position:absolute;

    inset:0;

    background:

        radial-gradient(
            circle at 50% 115%,
            rgba(41,255,122,.28),
            transparent 60%
        );

    z-index:-1;

}

.hero-inner{

    width:100%;

    max-width:1180px;

    display:flex;

    flex-direction:column;

    align-items:center;

    text-align:center;

    padding:30px;

}

/* ===========================
LOGO
=========================== */

.brand{

    font-size:1.45rem;

    font-weight:900;

    letter-spacing:16px;

    margin-bottom:20px;

}

/* ===========================
HEADLINE
=========================== */

.hero h1{

    font-size:clamp(4.8rem,8vw,6.9rem);

    font-weight:900;

    line-height:.90;

    letter-spacing:-4px;

    max-width:920px;

    text-shadow:

        0 12px 30px rgba(0,0,0,.35);

}

/* ===========================
SUBTEXT
=========================== */

.subtext{

    margin-top:20px;

    max-width:700px;

    font-size:1.55rem;

    color:var(--text);

    line-height:1.55;

}

/* ===========================
GREEN TEXT
=========================== */

.green-text{

    margin-top:12px;

    font-size:2rem;

    font-weight:700;

    color:var(--green);

    text-shadow:

        0 0 18px rgba(41,255,122,.30);

}

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

.hero-button{

    margin-top:28px;

    width:420px;

    height:70px;

    display:flex;

    justify-content:center;

    align-items:center;

    text-decoration:none;

    color:white;

    font-size:1.4rem;

    font-weight:800;

    border-radius:999px;

    position:relative;

    overflow:hidden;

    background:

        linear-gradient(
            90deg,
            #ff2323,
            #c70000 35%,
            #995400 60%,
            #27bf64 82%,
            #37ff86
        );

    border:

        1px solid rgba(255,255,255,.22);

    box-shadow:

        0 18px 45px rgba(0,0,0,.40),

        0 0 35px rgba(255,0,0,.20),

        0 0 45px rgba(41,255,122,.18);

    transition:.30s;

}

.hero-button::before{

    content:"";

    position:absolute;

    left:0;

    top:0;

    width:100%;

    height:48%;

    background:

        linear-gradient(
            rgba(255,255,255,.28),
            transparent
        );

}

.hero-button:hover{

    transform:

        translateY(-3px)
        scale(1.02);

}

/* ===========================
HEADINGS
=========================== */

.section-label{

    text-align:center;

    color:var(--green);

    letter-spacing:6px;

    font-size:.9rem;

    font-weight:800;

    margin-bottom:18px;

}

.section-heading{

    text-align:center;

    font-size:clamp(3.3rem,6vw,5rem);

    font-weight:900;

    line-height:.94;

    letter-spacing:-3px;

    margin-bottom:45px;

}

.section-heading span{

    color:var(--green);

}
/* ==========================================
   YOVIK V4
   PART 2 — FEATURES
========================================== */

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

#features{

    position:relative;

    padding-top:45px;
    padding-bottom:70px;

}

#features::before{

    content:"";

    position:absolute;

    top:0;
    left:50%;

    transform:translateX(-50%);

    width:85%;
    height:1px;

    background:

        linear-gradient(
            90deg,
            transparent,
            rgba(255,255,255,.10),
            transparent
        );

}

/* ==========================
   GRID
========================== */

.cards{

    max-width:1350px;

    margin:0 auto;

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

    gap:22px;

}

/* ==========================
   CARD
========================== */

.card{

    position:relative;

    min-height:170px;

    background:

        linear-gradient(
            180deg,
            #101010,
            #090909
        );

    border:1px solid rgba(255,255,255,.08);

    border-radius:22px;

    display:flex;

    justify-content:center;

    align-items:center;

    overflow:hidden;

    transition:
        transform .30s ease,
        border-color .30s ease,
        box-shadow .30s ease;

}

/* soft highlight */

.card::before{

    content:"";

    position:absolute;

    inset:0;

    background:

        radial-gradient(
            circle at top,
            rgba(255,255,255,.05),
            transparent 60%
        );

    opacity:0;

    transition:.30s;

}

.card:hover{

    transform:translateY(-8px);

    border-color:

        rgba(255,255,255,.18);

    box-shadow:

        0 18px 40px rgba(0,0,0,.40);

}

.card:hover::before{

    opacity:1;

}

/* ==========================
   CARD TITLE
========================== */

.card h3{

    position:relative;

    z-index:2;

    padding:20px;

    text-align:center;

    font-size:1.55rem;

    font-weight:800;

    line-height:1.25;

}

/* ==========================
   ACCENT BAR
========================== */

.accent{

    position:absolute;

    left:0;
    bottom:0;

    width:100%;
    height:4px;

}

.red{

    background:#d10000;

}

.orange{

    background:#ff7600;

}

.yellow{

    background:#ffc400;

}

.green{

    background:#18c765;

}

.emerald{

    background:#2cff79;

}

/* ==========================
   FEATURE SECTION SPACING
========================== */

.section-label{

    margin-bottom:12px;

}

.section-heading{

    margin-bottom:35px;

}
/* ==========================================
   YOVIK V4
   PART 3 — FAQ + FOOTER + POLISH
========================================== */

/* ==========================
   FAQ
========================== */

#faq{

    max-width:1050px;

    margin:0 auto;

    padding-top:55px;

    padding-bottom:70px;

}

#faq details{

    background:#0b0b0b;

    border:1px solid rgba(255,255,255,.08);

    border-radius:18px;

    margin-bottom:14px;

    overflow:hidden;

    transition:
        border-color .25s ease,
        transform .25s ease,
        box-shadow .25s ease;

}

#faq details:hover{

    transform:translateY(-2px);

    border-color:rgba(41,255,122,.28);

    box-shadow:

        0 10px 30px rgba(0,0,0,.25);

}

#faq summary{

    list-style:none;

    cursor:pointer;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:22px 28px;

    font-size:1.15rem;

    font-weight:700;

}

#faq summary::-webkit-details-marker{

    display:none;

}

#faq summary::after{

    content:"+";

    color:var(--green);

    font-size:1.8rem;

    font-weight:300;

    transition:.25s;

}

#faq details[open] summary::after{

    transform:rotate(45deg);

}

#faq details p{

    padding:0 28px 24px;

    color:#bdbdbd;

    line-height:1.7;

}

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

footer{

    padding:55px 30px;

    border-top:1px solid rgba(255,255,255,.08);

    text-align:center;

    background:#040404;

}

.footer-logo{

    font-size:1.8rem;

    font-weight:900;

    letter-spacing:10px;

    margin-bottom:12px;

}

footer p{

    color:#7f7f7f;

    font-size:.9rem;

}

/* ==========================
   BUTTON POLISH
========================== */

.hero-button{

    position:relative;

    overflow:hidden;

}

.hero-button:active{

    transform:scale(.98);

}

.hero-button:hover{

    filter:brightness(1.08);

}

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

::-webkit-scrollbar{

    width:10px;

}

::-webkit-scrollbar-track{

    background:#050505;

}

::-webkit-scrollbar-thumb{

    background:#323232;

    border-radius:999px;

}

::-webkit-scrollbar-thumb:hover{

    background:#505050;

}

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

::selection{

    background:var(--green);

    color:black;

}

/* ==========================
   SIMPLE FADE ANIMATION
========================== */

.hidden{

    opacity:0;

    transform:translateY(30px);

    transition:
        opacity .7s ease,
        transform .7s ease;

}

.show{

    opacity:1;

    transform:translateY(0);

}

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

@media (max-width:900px){

.hero{

    min-height:auto;

    padding:80px 20px;

}

.hero h1{

    font-size:4rem;

    letter-spacing:-2px;

}

.hero-button{

    width:100%;

    max-width:360px;

}

.cards{

    grid-template-columns:repeat(2,1fr);

}

}

@media (max-width:700px){

section{

    padding:55px 22px;

}

.brand{

    letter-spacing:10px;

    font-size:1.15rem;

}

.hero h1{

    font-size:3rem;

}

.subtext{

    font-size:1.15rem;

}

.green-text{

    font-size:1.35rem;

}

.cards{

    grid-template-columns:1fr;

}

.card{

    min-height:145px;

}

.section-heading{

    font-size:2.8rem;

}

}

@media (max-width:480px){

.hero h1{

    font-size:2.5rem;

}

.hero-button{

    height:62px;

    font-size:1.1rem;

}

.section-heading{

    font-size:2.2rem;

}

.footer-logo{

    letter-spacing:6px;

}

}

/* ==========================
   Launch Banner
========================== */

.launch-banner{

    max-width:1200px;
    margin:100px auto;
    padding:70px 40px;

    text-align:center;

    border-radius:24px;

    background:linear-gradient(
        135deg,
        rgba(190,30,45,.18) 0%,
        rgba(20,20,20,1) 45%,
        rgba(0,200,83,.18) 100%
    );

    border:1px solid rgba(255,255,255,.08);

    box-shadow:
        0 0 60px rgba(0,0,0,.45),
        inset 0 0 0 1px rgba(255,255,255,.03);

}

.launch-banner h2{

    font-size:3rem;
    font-weight:800;

    margin-bottom:35px;

    color:white;
    letter-spacing:-1px;

}

.launch-btn{

    display:inline-flex;
    align-items:center;
    gap:10px;

    padding:18px 36px;

    text-decoration:none;

    color:white;

    font-size:1.05rem;
    font-weight:700;

    border-radius:14px;

    background:linear-gradient(
        90deg,
        #d32f2f,
        #00c853
    );

    transition:
        transform .25s,
        box-shadow .25s;

    box-shadow:
        0 10px 30px rgba(0,0,0,.35);

}

.launch-btn:hover{

    transform:translateY(-4px) scale(1.03);

    box-shadow:
        0 18px 45px rgba(0,200,83,.35);

}

.launch-btn strong{

    color:white;
    font-weight:900;

}

/* ==========================
   Mobile
========================== */

@media (max-width: 768px) {

}
.hero-nav{

    flex-direction:column;

    gap:20px;

    text-align:center;

}

.nav-links{

    justify-content:center;

    flex-wrap:wrap;

    gap:12px;

}
.hero h1{

    font-size:2.5rem;

    line-height:1.15;

}
.subtext{

    font-size:1rem;

    padding:0 20px;

}
.launch-btn{

    display:inline-flex;

    justify-content:center;

    align-items:center;

    text-align:center;

    flex-wrap:wrap;

    max-width:320px;

}

/* ==========================
   YOVIK FIXED NAVIGATION
========================== */

.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;

    padding: 16px 24px;

    background: rgba(11, 11, 11, 0.82);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

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

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

    position: absolute;
    left: 0;
    bottom: 0;

    width: 100%;
    height: 1px;

    background: linear-gradient(
        90deg,
        #d32f2f,
        #00c853
    );

    opacity: 0.65;
}

.site-nav-inner {
    max-width: 1200px;
    margin: 0 auto;

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

.site-logo {
    display: flex;
    align-items: center;

    text-decoration: none;
}

.site-logo img {
    width: 82px;
    height: auto;
    display: block;
}

.site-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.site-nav-links a {
    color: #d5d5d5;
    text-decoration: none;

    font-size: 0.95rem;
    font-weight: 600;

    padding: 10px 16px;
    border-radius: 10px;

    transition: all 0.25s ease;
}

.site-nav-links a:hover {
    color: #fff;
    background: rgba(0, 200, 83, 0.12);
}

.site-nav-links a.active {
    color: #fff;

    background: linear-gradient(
        90deg,
        rgba(211, 47, 47, 0.85),
        rgba(0, 200, 83, 0.85)
    );

    box-shadow: 0 6px 20px rgba(0, 200, 83, 0.15);
}

@media (max-width: 768px) {

    .site-nav {
        padding: 12px 16px;
    }

    .site-nav-inner {
        flex-direction: column;
        gap: 10px;
    }

    .site-logo img {
        width: 70px;
        height: auto;
    }

    .site-nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 4px;
    }

    .site-nav-links a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

}

@media (max-width: 600px) {

    .hero {
        min-height: 85vh;
        padding-top: 125px;
        padding-bottom: 60px;
        background-position: center center;
    }

    .site-logo img {
        width: 70px;
    }

}

/* ==========================
   YOVIK SERVICE WAITLIST
========================== */

.waitlist-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.waitlist-overlay.active {
    display: flex;
}

.waitlist-modal {
    position: relative;
    width: 100%;
    max-width: 500px;
    background: #111;
    border: 2px solid #22ff55;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 0 40px rgba(34, 255, 85, 0.25);
}

.waitlist-modal h2 {
    margin-bottom: 20px;
    color: #fff;
}

.waitlist-modal p {
    color: #ddd;
    line-height: 1.6;
}

.waitlist-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
}

.waitlist-modal input {
    width: 100%;
    box-sizing: border-box;
    padding: 15px;
    margin-top: 20px;
    border-radius: 8px;
    border: 1px solid #555;
    font-size: 16px;
}

.waitlist-modal form button {
    width: 100%;
    margin-top: 12px;
    padding: 15px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(90deg, #ff2222, #22ff66);
    color: white;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
}

/* ==========================
   Waitlist Tools CTA
========================== */

.waitlist-tools-link,
.waitlist-tools-link:visited {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;

    padding: 14px 20px;
    margin-top: 18px;

    border: 2px solid #C9A227;
    border-radius: 8px;

    background: transparent;
    color: #C9A227;

    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-decoration: none;

    transition: all 0.2s ease;
}

.waitlist-tools-link:hover,
.waitlist-tools-link:focus {
    background: #C9A227;
    color: #111111;
    text-decoration: none;
    transform: translateY(-2px);
}

.waitlist-tools-link:active {
    transform: translateY(0);
}