/* =========================================================
   MARCUS SCIENCE GROUP
   GLOBAL WEBSITE STYLES
========================================================= */

:root {
    --navy: #071a2f;
    --navy-dark: #04111f;
    --navy-light: #102b47;
    --teal: #16b8a6;
    --teal-light: #22d3c5;
    --white: #ffffff;
    --text: #d7e2ee;
    --muted: #91a4b8;
    --border: rgba(255, 255, 255, 0.12);
    --glass: rgba(8, 27, 47, 0.88);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    --radius: 18px;
    --container: 1180px;
}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", Arial, sans-serif;
    background: var(--navy-dark);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button,
input,
textarea,
select {
    font: inherit;
}


/* =========================================================
   HEADER
========================================================= */

.site-header {
    position: fixed;
    top: 18px;
    left: 0;
    width: 100%;
    z-index: 9999;
    pointer-events: none;
}

.nav-wrapper {
    width: min(calc(100% - 40px), 1180px);
    min-height: 76px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    gap: 24px;

    padding: 10px 14px 10px 18px;

    background: rgba(8, 27, 47, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 22px;

    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);

    box-shadow:
        0 18px 50px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);

    pointer-events: auto;

    transition:
        min-height 0.3s ease,
        background 0.3s ease,
        box-shadow 0.3s ease,
        transform 0.3s ease;
}

.site-header.scrolled .nav-wrapper {
    min-height: 66px;
    background: rgba(5, 20, 35, 0.95);
    box-shadow:
        0 15px 45px rgba(0, 0, 0, 0.38),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}


/* =========================================================
   BRAND
========================================================= */

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    flex-shrink: 0;
}

.brand-logo {
    width: 49px;
    height: 49px;

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

    border-radius: 13px;

    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);

    overflow: hidden;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 5px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -0.4px;
    white-space: nowrap;
}

.brand-tagline {
    margin-top: 5px;
    font-size: 8px;
    font-weight: 500;
    letter-spacing: 1.4px;
    color: var(--muted);
    white-space: nowrap;
}


/* =========================================================
   DESKTOP NAVIGATION
========================================================= */

.main-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-left: auto;
}

.nav-link,
.nav-dropdown-toggle {
    position: relative;

    display: inline-flex;
    align-items: center;
    gap: 6px;

    padding: 10px 11px;

    border: 0;
    background: transparent;

    color: #dce8f4;

    font-size: 13px;
    font-weight: 600;

    border-radius: 10px;

    cursor: pointer;

    transition:
        color 0.2s ease,
        background 0.2s ease;
}

.nav-link:hover,
.nav-dropdown-toggle:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.07);
}

.dropdown-arrow {
    font-size: 15px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}


/* =========================================================
   DROPDOWN
========================================================= */

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 13px);
    left: 50%;

    width: 235px;

    padding: 9px;

    transform:
        translateX(-50%)
        translateY(8px);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    background: rgba(7, 25, 43, 0.98);

    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 15px;

    box-shadow: var(--shadow);

    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);

    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;

    transform:
        translateX(-50%)
        translateY(0);
}

.dropdown-menu::before {
    content: "";
    position: absolute;

    top: -6px;
    left: 50%;

    width: 12px;
    height: 12px;

    background: #07192b;

    border-left: 1px solid rgba(255, 255, 255, 0.12);
    border-top: 1px solid rgba(255, 255, 255, 0.12);

    transform: translateX(-50%) rotate(45deg);
}

.dropdown-menu a {
    display: block;

    padding: 11px 13px;

    border-radius: 10px;

    color: #c9d7e5;

    font-size: 12.5px;
    font-weight: 500;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        padding-left 0.2s ease;
}

.dropdown-menu a:hover {
    color: var(--white);
    background: rgba(22, 184, 166, 0.12);
    padding-left: 17px;
}


/* =========================================================
   NAV ACTIONS
========================================================= */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.nav-contact-link {
    padding: 10px 10px;

    color: #dce8f4;

    font-size: 13px;
    font-weight: 600;

    white-space: nowrap;

    transition: color 0.2s ease;
}

.nav-contact-link:hover {
    color: var(--teal-light);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 12px 17px;

    border-radius: 12px;

    background: linear-gradient(
        135deg,
        #15b7a4,
        #24cbb9
    );

    color: #ffffff;

    font-size: 12px;
    font-weight: 700;

    white-space: nowrap;

    box-shadow:
        0 10px 25px rgba(22, 184, 166, 0.22);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.nav-cta span {
    font-size: 15px;
    transition: transform 0.2s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);

    box-shadow:
        0 14px 32px rgba(22, 184, 166, 0.3);
}

.nav-cta:hover span {
    transform: translateX(3px);
}


/* =========================================================
   MOBILE MENU BUTTON
========================================================= */

.mobile-menu-button {
    display: none;

    width: 45px;
    height: 45px;

    margin-left: auto;

    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;

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

    cursor: pointer;
}

.mobile-menu-button span {
    width: 20px;
    height: 2px;

    background: #ffffff;

    border-radius: 10px;

    transition:
        transform 0.25s ease,
        opacity 0.25s ease;
}

.mobile-menu-button.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-button.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


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

.mobile-navigation {
    display: none;

    width: min(calc(100% - 40px), 1180px);

    margin: 8px auto 0;

    padding: 14px;

    background: rgba(7, 25, 43, 0.97);

    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;

    box-shadow: var(--shadow);

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    pointer-events: auto;
}

.mobile-navigation.active {
    display: block;
}

.mobile-navigation > a {
    display: block;

    padding: 12px 13px;

    color: #dce8f4;

    font-size: 14px;
    font-weight: 600;

    border-radius: 10px;

    transition:
        background 0.2s ease,
        color 0.2s ease;
}

.mobile-navigation > a:hover {
    background: rgba(22, 184, 166, 0.1);
    color: var(--white);
}

.mobile-navigation .mobile-cta {
    margin-top: 8px;

    text-align: center;

    background: linear-gradient(
        135deg,
        #15b7a4,
        #24cbb9
    );

    color: #ffffff;
}


/* =========================================================
   MAIN CONTENT
========================================================= */

.site-main {
    min-height: 100vh;
}


/*
   Header is fixed, so give page content enough top space
   only when pages use normal content.
*/

body {
    padding-top: 0;
}


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

@media (max-width: 1150px) {

    .nav-wrapper {
        gap: 12px;
    }

    .main-navigation {
        gap: 0;
    }

    .nav-link,
    .nav-dropdown-toggle {
        padding-left: 8px;
        padding-right: 8px;
        font-size: 12px;
    }

    .nav-contact-link {
        display: none;
    }

    .nav-cta {
        padding: 11px 13px;
    }

    .brand-tagline {
        display: none;
    }

}


@media (max-width: 950px) {

    .main-navigation,
    .nav-actions {
        display: none;
    }

    .mobile-menu-button {
        display: flex;
    }

    .nav-wrapper {
        min-height: 68px;
    }

    .brand-name {
        font-size: 16px;
    }

}


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

@media (max-width: 600px) {

    .site-header {
        top: 10px;
    }

    .nav-wrapper {
        width: calc(100% - 24px);

        min-height: 64px;

        padding: 8px 9px 8px 12px;

        border-radius: 17px;
    }

    .mobile-navigation {
        width: calc(100% - 24px);
    }

    .brand-logo {
        width: 43px;
        height: 43px;
    }

    .brand-name {
        font-size: 14px;
    }

}


/* =========================================================
   GENERAL CONTAINER
========================================================= */

.container {
    width: min(calc(100% - 40px), var(--container));
    margin-left: auto;
    margin-right: auto;
}


/* =========================================================
   ACCESSIBILITY
========================================================= */

:focus-visible {
    outline: 2px solid var(--teal-light);
    outline-offset: 3px;
}


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

::selection {
    background: var(--teal);
    color: #ffffff;
}


/* =========================================================
   REDUCED MOTION
========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

}
/* =========================================================
   HOMEPAGE
========================================================= */

.hero-section {
    position: relative;
    min-height: 850px;
    padding: 180px 0 100px;
    overflow: hidden;
    background:
        radial-gradient(circle at 15% 35%, rgba(22,184,166,.12), transparent 30%),
        radial-gradient(circle at 85% 30%, rgba(30,100,180,.16), transparent 32%),
        #06172a;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 70px;
    align-items: center;
}

.hero-badge,
.section-label {
    color: #24d5c1;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
}

.hero-badge {
    display: inline-flex;
    gap: 9px;
    padding: 10px 16px;
    margin-bottom: 25px;
    border: 1px solid rgba(255,255,255,.13);
    border-radius: 30px;
    background: rgba(255,255,255,.05);
}

.hero-content h1 {
    max-width: 750px;
    font-size: clamp(48px, 6vw, 78px);
    line-height: 1.02;
    letter-spacing: -3px;
    font-weight: 800;
}

.hero-content h1 span,
.section-heading h2 span,
.about-content h2 span,
.final-cta h2 span {
    color: var(--teal-light);
}

.hero-description {
    max-width: 680px;
    margin: 28px 0;
    color: #b8c8d8;
    font-size: 18px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 23px;
    border-radius: 13px;
    font-size: 14px;
    font-weight: 700;
    transition: .25s ease;
}

.primary-button {
    color: white;
    background: linear-gradient(135deg,#16b8a6,#20c9bb);
    box-shadow: 0 15px 35px rgba(22,184,166,.22);
}

.primary-button:hover {
    transform: translateY(-3px);
}

.secondary-button {
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.04);
    color: white;
}

.secondary-button:hover {
    background: rgba(255,255,255,.09);
}

.hero-trust {
    margin-top: 35px;
    color: var(--muted);
    font-size: 13px;
}

.hero-trust span {
    color: white;
    font-weight: 800;
}

.hero-card {
    padding: 10px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 28px;
    background: rgba(255,255,255,.05);
    box-shadow: 0 30px 80px rgba(0,0,0,.35);
}

.hero-card img {
    width: 100%;
    min-height: 470px;
    object-fit: cover;
    border-radius: 21px;
}

.stats-section {
    padding: 35px 0;
    background: #102f4c;
    border-top: 1px solid rgba(255,255,255,.06);
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 25px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-light);
    border-radius: 12px;
    background: rgba(22,184,166,.12);
}

.stat-item strong {
    display: block;
    font-size: 21px;
}

.stat-item span {
    display: block;
    color: #a9bdce;
    font-size: 12px;
}

.about-preview,
.conferences-section,
.why-section {
    padding: 110px 0;
}

.about-preview {
    background: #071a2f;
}

.about-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.about-content h2,
.section-heading h2,
.final-cta h2 {
    margin-top: 15px;
    font-size: clamp(38px,5vw,58px);
    line-height: 1.1;
    letter-spacing: -2px;
}

.about-content p,
.section-heading p,
.final-cta p {
    margin-top: 20px;
    color: #9eb1c3;
    font-size: 16px;
    line-height: 1.8;
}

.text-button {
    display: inline-flex;
    gap: 9px;
    margin-top: 25px;
    color: var(--teal-light);
    font-weight: 700;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 18px;
}

.feature-card,
.why-card {
    padding: 30px;
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 20px;
    background: rgba(255,255,255,.035);
    transition: .25s ease;
}

.feature-card:hover,
.why-card:hover {
    transform: translateY(-5px);
    border-color: rgba(22,184,166,.3);
}

.feature-number,
.why-icon {
    color: var(--teal-light);
    font-weight: 800;
    margin-bottom: 20px;
}

.feature-card h3,
.why-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.feature-card p,
.why-card p {
    color: #91a5b8;
    font-size: 14px;
}

.conferences-section {
    background: #050d19;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 55px;
    text-align: center;
}

.conference-grid,
.why-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 22px;
}

.conference-card {
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 20px;
    background: #0b1b2e;
    transition: .3s ease;
}

.conference-card:hover {
    transform: translateY(-7px);
}

.conference-image img {
    width: 100%;
    height: 230px;
    object-fit: cover;
}

.conference-content {
    padding: 25px;
}

.conference-content > span {
    color: var(--teal-light);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.2px;
}

.conference-content h3 {
    margin: 10px 0;
    font-size: 21px;
}

.conference-content p {
    color: #8fa4b8;
    font-size: 14px;
}

.conference-content a {
    display: inline-block;
    margin-top: 18px;
    color: var(--teal-light);
    font-size: 13px;
    font-weight: 700;
}

.center-button {
    margin-top: 45px;
    text-align: center;
}

.why-section {
    background: #071a2f;
}

.why-grid {
    grid-template-columns: repeat(4,1fr);
}

.final-cta {
    padding: 110px 0;
    background: #050d19;
}

.cta-box {
    padding: 75px 50px;
    text-align: center;
    border: 1px solid rgba(22,184,166,.18);
    border-radius: 30px;
    background:
        radial-gradient(circle at center,rgba(22,184,166,.10),transparent 55%),
        rgba(255,255,255,.025);
}

.cta-box p {
    max-width: 700px;
    margin: 20px auto 30px;
}

.cta-box .hero-buttons {
    justify-content: center;
}

.site-footer {
    background: #030b15;
    padding-top: 75px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 45px;
    padding-bottom: 60px;
}

.footer-brand {
    font-size: 21px;
    font-weight: 800;
    margin-bottom: 15px;
}

.footer-grid p {
    color: #8298ab;
    font-size: 13px;
}

.footer-grid h4 {
    margin-bottom: 18px;
}

.footer-grid a {
    display: block;
    margin: 9px 0;
    color: #8fa4b8;
    font-size: 13px;
}

.footer-grid a:hover {
    color: var(--teal-light);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,.07);
    color: #657b8e;
    font-size: 12px;
}

.return-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 9000;

    width: 52px;
    height: 52px;

    border: 1px solid rgba(255,255,255,.15);
    border-radius: 50%;

    background: linear-gradient(135deg,#16b8a6,#20c9bb);
    color: white;

    font-size: 21px;
    font-weight: 700;

    cursor: pointer;

    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);

    transition: .25s ease;
}

.return-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.return-to-top:hover {
    transform: translateY(-4px);
}


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

@media (max-width: 900px) {

    .hero-container,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .hero-section {
        padding-top: 150px;
    }

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

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

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

}

@media (max-width: 600px) {

    .container {
        width: calc(100% - 30px);
    }

    .hero-content h1 {
        font-size: 45px;
        letter-spacing: -2px;
    }

    .hero-description {
        font-size: 15px;
    }

    .hero-card img {
        min-height: 300px;
    }

    .stats-grid,
    .about-features,
    .conference-grid,
    .why-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .about-preview,
    .conferences-section,
    .why-section,
    .final-cta {
        padding: 75px 0;
    }

    .cta-box {
        padding: 50px 22px;
    }

    .return-to-top {
        right: 20px;
        bottom: 20px;
    }

}
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #f5f7f4;
  color: #101614;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 22px 14px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background:
    radial-gradient(circle at 50% 25%, rgba(73, 190, 154, .16), transparent 34%),
    linear-gradient(180deg, #eef4ef 0%, #f8faf8 100%);
}

/* Background — later you can replace this with your uploaded banner */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 70%, rgba(67, 190, 156, .12), transparent 30%),
    radial-gradient(circle at 85% 60%, rgba(53, 130, 116, .10), transparent 30%);
}

/* NAVBAR */

.navbar {
  position: relative;
  z-index: 10;

  width: min(1120px, calc(100% - 20px));
  min-height: 68px;

  padding: 10px 14px 10px 24px;

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

  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);

  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 22px;

  box-shadow:
    0 18px 45px rgba(25, 45, 38, .10),
    0 3px 12px rgba(25, 45, 38, .05);

  animation: navbarIn .8s cubic-bezier(.2,.8,.2,1);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;

  font-size: 17px;
  font-weight: 750;
  letter-spacing: -.5px;
  white-space: nowrap;
}

.logo-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;

  border-radius: 10px;
  background: #101614;
  color: white;

  box-shadow: 0 5px 15px rgba(0,0,0,.15);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a,
.login {
  color: #202724;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: .25s ease;
}

.nav-links a:hover,
.login:hover {
  opacity: .55;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 22px;
}

.demo-btn {
  display: flex;
  align-items: center;
  gap: 13px;

  padding: 11px 13px 11px 18px;

  border-radius: 13px;
  background: #46b96d;
  color: white;

  text-decoration: none;
  font-size: 13px;
  font-weight: 700;

  box-shadow: 0 8px 22px rgba(70, 185, 109, .22);

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

.demo-btn span {
  width: 25px;
  height: 25px;

  display: grid;
  place-items: center;

  border-radius: 50%;
  background: rgba(255,255,255,.20);
}

.demo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 13px 28px rgba(70, 185, 109, .30);
}

/* HERO CONTENT */

.hero-content {
  position: relative;
  z-index: 5;

  width: min(900px, 92%);
  margin: auto;

  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;

  padding: 90px 0 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;

  padding: 8px 14px;

  border-radius: 100px;

  background: rgba(255,255,255,.68);
  border: 1px solid rgba(255,255,255,.95);

  box-shadow: 0 8px 25px rgba(20,40,30,.06);

  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;

  animation: fadeUp .8s .15s both;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #46b96d;

  box-shadow:
    0 0 0 5px rgba(70,185,109,.10),
    0 0 15px rgba(70,185,109,.6);

  animation: pulse 2s infinite;
}

.hero h1 {
  margin: 28px 0 20px;

  font-size: clamp(55px, 8vw, 105px);
  line-height: .88;
  letter-spacing: -6px;
  font-weight: 900;

  text-transform: uppercase;

  animation: titleIn 1s .25s both;
}

.hero h1 .line {
  display: block;
}

.hero h1 .highlight {
  position: relative;

  color: #17211d;

  text-shadow:
    0 3px 0 rgba(255,255,255,.9),
    0 10px 25px rgba(25,55,43,.15);
}

/* premium light sweep */

.hero h1 .highlight::after {
  content: "";

  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -13px;

  height: 7px;

  border-radius: 50%;

  background: linear-gradient(
    90deg,
    transparent,
    rgba(70,185,109,.55),
    transparent
  );

  filter: blur(4px);

  animation: sweep 3s ease-in-out infinite;
}

.hero-subtitle {
  max-width: 650px;

  margin: 0;

  color: #56615c;

  font-size: 17px;
  line-height: 1.65;
  font-weight: 450;

  animation: fadeUp .9s .5s both;
}

.hero-meta {
  display: flex;
  gap: 25px;

  margin-top: 23px;

  font-size: 12px;
  font-weight: 700;

  color: #303a35;

  animation: fadeUp .9s .65s both;
}

.hero-meta span:first-child {
  color: #38a961;
}

/* BUTTONS */

.hero-buttons {
  display: flex;
  gap: 13px;

  margin-top: 32px;

  animation: fadeUp .9s .8s both;
}

.primary-btn,
.secondary-btn {
  text-decoration: none;

  padding: 15px 21px;

  border-radius: 14px;

  font-size: 13px;
  font-weight: 750;

  transition: .3s ease;
}

.primary-btn {
  display: flex;
  align-items: center;
  gap: 12px;

  background: #101614;
  color: white;

  box-shadow:
    0 12px 25px rgba(16,22,20,.18);
}

.primary-btn span {
  transition: transform .3s ease;
}

.primary-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 32px rgba(16,22,20,.25);
}

.primary-btn:hover span {
  transform: translateX(4px);
}

.secondary-btn {
  color: #18201d;

  background: rgba(255,255,255,.7);

  border: 1px solid rgba(20,30,25,.10);
}

.secondary-btn:hover {
  transform: translateY(-3px);
  background: white;
}

/* BOTTOM EFFECT */

.hero-bottom-glow {
  position: absolute;
  z-index: 2;

  bottom: -120px;
  left: 50%;
  transform: translateX(-50%);

  width: 650px;
  height: 220px;

  background: rgba(70,185,109,.14);

  filter: blur(80px);
  border-radius: 50%;
}

/* ANIMATIONS */

@keyframes navbarIn {
  from {
    opacity: 0;
    transform: translateY(-25px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(25px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes titleIn {
  from {
    opacity: 0;
    transform: translateY(45px) scale(.96);
    filter: blur(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

@keyframes sweep {
  0%, 100% {
    opacity: .25;
    transform: scaleX(.65);
  }

  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes pulse {
  0%, 100% {
    box-shadow:
      0 0 0 5px rgba(70,185,109,.10),
      0 0 15px rgba(70,185,109,.6);
  }

  50% {
    box-shadow:
      0 0 0 9px rgba(70,185,109,.03),
      0 0 25px rgba(70,185,109,.8);
  }
}

/* MOBILE */

@media (max-width: 800px) {

  .navbar {
    min-height: 60px;
    padding: 9px 12px 9px 16px;
  }

  .nav-links {
    display: none;
  }

  .login {
    display: none;
  }

  .demo-btn {
    padding: 9px 10px 9px 13px;
  }

  .hero-content {
    padding-top: 65px;
  }

  .hero h1 {
    font-size: clamp(45px, 14vw, 75px);
    letter-spacing: -3px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 7px;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
  }

  .primary-btn,
  .secondary-btn {
    justify-content: center;
    text-align: center;
  }
}
/* =========================================================
   MARCUS SCIENCE GROUP — HEADER
   Clean premium floating header
   ========================================================= */

.site-header {
    position: relative !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;

    z-index: 9999 !important;

    pointer-events: none !important;
}


/* Main white navigation shell */

.site-header .nav-shell {
    position: relative !important;

    width: min(1080px, calc(100% - 100px)) !important;
    height: 92px !important;

    margin: 0 auto !important;

    padding: 0 30px !important;

    display: grid !important;
    grid-template-columns: 1fr auto 1fr !important;
    align-items: center !important;

    box-sizing: border-box !important;

    background: #ffffff !important;

    border-radius: 0 0 24px 24px !important;

    border: 1px solid rgba(235, 240, 239, 0.95) !important;

    box-shadow:
        0 16px 35px rgba(16, 35, 48, 0.12),
        0 5px 14px rgba(16, 35, 48, 0.06) !important;

    pointer-events: auto !important;
}


/* LEFT NAV */

.site-header .nav-side {
    display: flex !important;
    align-items: center !important;

    gap: 28px !important;

    height: 100% !important;
}

.site-header .nav-left {
    justify-content: flex-start !important;
}

.site-header .nav-right {
    justify-content: flex-end !important;
}


/* NAVIGATION TEXT */

.site-header .nav-link {
    color: #17201e !important;

    font-size: 13px !important;
    font-weight: 600 !important;

    text-decoration: none !important;

    white-space: nowrap !important;

    transition:
        opacity 0.25s ease,
        transform 0.25s ease !important;
}

.site-header .nav-link:hover {
    opacity: 0.65 !important;
    transform: translateY(-1px) !important;
}


/* CENTER BRAND */

.site-header .nav-brand {
    display: flex !important;

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

    gap: 10px !important;

    text-decoration: none !important;

    white-space: nowrap !important;
}


/* LOGO */

.site-header .brand-mark {
    width: 42px !important;
    height: 42px !important;

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

    border-radius: 12px !important;

    overflow: hidden !important;

    background: #10202d !important;

    box-shadow:
        0 6px 15px rgba(15, 35, 48, 0.16) !important;
}

.site-header .brand-mark img {
    width: 100% !important;
    height: 100% !important;

    object-fit: contain !important;
}


/* BRAND TEXT */

.site-header .brand-copy {
    display: flex !important;

    flex-direction: column !important;

    justify-content: center !important;
}

.site-header .brand-name {
    color: #17201e !important;

    font-size: 15px !important;
    font-weight: 800 !important;

    letter-spacing: -0.35px !important;

    line-height: 1 !important;
}

.site-header .brand-tagline {
    margin-top: 5px !important;

    color: #8d9795 !important;

    font-size: 6px !important;
    font-weight: 800 !important;

    letter-spacing: 1px !important;

    line-height: 1 !important;
}


/* CTA */

.site-header .nav-cta {
    display: inline-flex !important;

    align-items: center !important;
    gap: 9px !important;

    padding: 11px 14px 11px 17px !important;

    border-radius: 13px !important;

    background: #42b96c !important;

    color: #ffffff !important;

    font-size: 12px !important;
    font-weight: 750 !important;

    text-decoration: none !important;

    box-shadow:
        0 7px 18px rgba(66, 185, 108, 0.20) !important;

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease !important;
}

.site-header .nav-cta span {
    width: 22px !important;
    height: 22px !important;

    display: flex !important;

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

    border-radius: 50% !important;

    background: rgba(255,255,255,0.18) !important;
}

.site-header .nav-cta:hover {
    transform: translateY(-2px) !important;

    box-shadow:
        0 11px 25px rgba(66,185,108,0.26) !important;
}


/* DROPDOWN */

.site-header .nav-dropdown {
    position: relative !important;
}

.site-header .nav-dropdown-toggle {
    border: 0 !important;
    background: transparent !important;

    padding: 0 !important;

    cursor: pointer !important;
}

.site-header .dropdown-arrow {
    margin-left: 5px !important;
    font-size: 11px !important;
}


/* MOBILE BUTTON */

.site-header .mobile-menu-button {
    display: none !important;
}


/* =========================================================
   DESKTOP
   ========================================================= */

@media (min-width: 1100px) {

    .site-header .nav-shell {
        width: min(1080px, calc(100% - 100px)) !important;
        height: 92px !important;
    }
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1099px) {

    .site-header .nav-shell {
        width: calc(100% - 50px) !important;
        height: 80px !important;

        padding-left: 22px !important;
        padding-right: 22px !important;
    }

    .site-header .nav-side {
        gap: 18px !important;
    }
}


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

@media (max-width: 700px) {

    .site-header .nav-shell {
        width: calc(100% - 20px) !important;
        height: 68px !important;

        padding: 0 15px !important;

        display: flex !important;
        justify-content: space-between !important;

        border-radius: 0 0 17px 17px !important;
    }

    .site-header .nav-side {
        display: none !important;
    }

    .site-header .nav-brand {
        justify-content: flex-start !important;
    }

    .site-header .brand-mark {
        width: 36px !important;
        height: 36px !important;
    }

    .site-header .brand-name {
        font-size: 13px !important;
    }

    .site-header .brand-tagline {
        font-size: 5px !important;
    }

    .site-header .mobile-menu-button {
        display: flex !important;

        flex-direction: column !important;

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

        gap: 4px !important;

        width: 38px !important;
        height: 38px !important;

        border: 0 !important;
        border-radius: 10px !important;

        background: #f4f7f6 !important;
    }
}