/* ======================
   ZÁKLAD
====================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --blue: #1497ff;
    --light-blue: #38b6ff;
    --dark: #020b18;
    --card: rgba(7, 24, 50, 0.65);
    --border: rgba(88, 140, 255, 0.25);
    --text: #ffffff;
    --text-soft: #d3d9e8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background: linear-gradient(180deg, #001326 0%, #02182e 40%, #020915 100%);
    color: var(--text);
    overflow-x: hidden;
}

/* ======================
   HERO
====================== */

.hero {
    position: relative;
    height: 1px;
    background-size: cover;
    background-position: center;
}

.hero::after {
    content:"";
    position:absolute;
    top:0;
    left:45%;
    width:250px;
    height:600px;
    background: radial-gradient(ellipse at top, rgba(255,255,255,.45), transparent 70%);
    filter: blur(25px);
    animation: lightMove 8s ease-in-out infinite;
}

@keyframes lightMove {
    0% { transform:translateX(-30px); opacity:.5; }
    50% { transform:translateX(30px); opacity:.9; }
    100% { transform:translateX(-30px); opacity:.5; }
}

.hero::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 180px;
    background: linear-gradient(to bottom, transparent, #02101f);
}

/* ======================
   LOGO + HASHTAG
====================== */

.logo {
    position: absolute;
    top: 40px;
    left: 60px;
    z-index: 5;
}

.logo img {
    width: 230px;
}

.hashtag {
    position: absolute;
    right: 60px;
    top: 55px;
    color: #d6e5ff;
    font-size: 20px;
    z-index: 5;
}

/* ======================
   HERO TEXT
====================== */

.hero-content {
    position: relative;
    z-index: 5;
    width: 640px;
    padding-top: 180px;
    margin-left: 60px;
}

.hero h1 {
    font-size: 82px;
    font-weight: 800;
    letter-spacing: -3px;
    line-height: .95;
}

.line {
    width: 70px;
    height: 4px;
    background: var(--blue);
    border-radius: 10px;
    margin: 30px 0;
    box-shadow: 0 0 20px var(--blue);
}

.hero h2 {
    font-size: 34px;
    line-height: 1.25;
    font-weight: 700;
}

.hero h2 span {
    color: var(--blue);
}

.hero p {
    margin-top: 30px;
    color: var(--text-soft);
    font-size: 22px;
    line-height: 1.7;
    max-width: 600px;
}

/* ======================
   CTA BUTTON
====================== */

.status-button {
    margin-top: 45px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 32px;
    border-radius: 40px;
    background: rgba(18, 40, 70, .75);
    border: 1px solid rgba(255,255,255,.25);
    color: white;
    text-decoration: none;
    font-size: 20px;
    backdrop-filter: blur(10px);
    transition: .3s;
}

.status-button:hover {
    transform: translateY(-3px);
    background: rgba(20,151,255,.35);
}

/* ======================
   CONTACT CARD
====================== */

.contact {
    margin-top: -90px;
    position: relative;
    z-index: 10;
    padding: 0 40px;
}

.card {
    max-width: 1500px;
    margin: auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 35px;
    backdrop-filter: blur(25px);
    box-shadow: 0 20px 50px rgba(0,0,0,.55);
    display: flex;
    padding: 55px 70px;
    gap: 40px;
}

.column {
    flex: 1;
    display: flex;
    gap: 35px;
}

/* ======================
   FEATURES + NEW SECTIONS
====================== */

.features,
.faq {
    max-width: 1500px;
    margin: 90px auto 0;
    padding: 0 60px;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h3 {
    font-size: 44px;
    font-weight: 700;
}

.small-line {
    width: 55px;
    height: 4px;
    background: var(--blue);
    margin: 20px auto;
}

.feature {
    background: rgba(7, 24, 50, 0.35);
    border: 1px solid rgba(88, 140, 255, 0.15);
    border-radius: 20px;
    padding: 30px;
    transition: .3s;
}

.feature:hover {
    transform: translateY(-6px);
    border-color: rgba(88,140,255,.4);
}

/* grid */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* FAQ */
.faq-item {
    background: rgba(7, 24, 50, 0.45);
    border: 1px solid rgba(88, 140, 255, 0.15);
    border-radius: 18px;
    padding: 25px;
    margin-bottom: 15px;
    transition: .3s;
}

.faq-item:hover {
    transform: translateY(-3px);
    border-color: rgba(88,140,255,.4);
}

/* ======================
   MAIL BUTTON
====================== */

.mail-button {
    display: inline-flex;
    justify-content: center;
    margin-top: 30px;
    padding: 16px 30px;
    border-radius: 40px;
    background: linear-gradient(90deg,#0099ff,#0fbcff);
    color: white;
    text-decoration: none;
    font-weight: 600;
}



/* ======================
   VLNA + SPODNÍ ČÁST
====================== */


.wave-section {

    position: relative;

    margin-top: 80px;

    padding-top: 0px;

    padding-bottom: 30px;

    text-align: center;

    background: #031225;

    overflow: hidden;

}




/* Logo uprostřed */

.center-logo {

    position: absolute;

    top: -30px;

    left: 50%;

    transform: translateX(-50%);

    width: 120px;

    height: 120px;

    border-radius: 50%;

    background:
        rgba(10,30,60,.9);

    border:
        3px solid #bfe7ff;

    display: flex;

    align-items: center;

    justify-content: center;

    box-shadow:
        0 0 35px #42bfff;

}


.center-logo img {

    width: 70px;

}


/* Citace */

.quote {

    font-size: 54px;

    font-weight: 700;

    line-height: 1.25;

}


.quote span {

    color: #1497ff;

}


/* Sociální sítě */

.socials {

    margin-top: 50px;

    display: flex;

    justify-content: center;

    gap: 40px;

}


.socials a {

    width: 55px;

    height: 55px;

    border-radius: 50%;

    background:
        rgba(255,255,255,.12);

    color: white;

    text-decoration: none;

    display: flex;

    align-items: center;

    justify-content: center;

    backdrop-filter: blur(8px);

    transition: .3s;

}


.socials a:hover {

    background: #1497ff;

    transform: translateY(-5px);

}


/* Patička */

footer {

    margin-top: 45px;

    color: #8894aa;

    font-size: 18px;

}



/* ======================
   RESPONSIVE
====================== */

@media (max-width: 1000px) {
    .hero-content { width: auto; margin: 0 30px; }
    .features { grid-template-columns: 1fr 1fr; }
    .card { flex-direction: column; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 44px; }
    .features { grid-template-columns: 1fr; }
    .hashtag {display:none;}
}