:root {
    --navy: #050b14;
    --navy-2: #07182b;
    --blue: #0b8cff;
    --cyan: #27d3ff;
    --ink: #0a1730;
    --muted: #5c6c82;
    --line: #dfe8f2;
    --pale: #f4f8fc;
    --white: #ffffff;
}


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

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--ink);
    background: #ffffff;
    line-height: 1.65;
}

img {
    max-width: 100%;
}

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

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


/* =========================================
   TYPOGRAPHY
========================================= */

h1,
h2,
h3,
h4,
.logo,
.footer-logo {
    font-family: "Manrope", "Inter", Arial, sans-serif;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h2 {
    margin-bottom: 18px;
}

em {
    color: var(--blue);
    font-style: normal;
}


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

.container {
    width: min(1180px, 92%);
    margin-left: auto;
    margin-right: auto;
}


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

.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;

    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

.nav {
    min-height: 82px;

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


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

.logo {
    display: inline-block;
    color: #ffffff;
    line-height: 1;
}

.logo strong {
    display: block;

    font-size: 29px;
    font-weight: 800;

    letter-spacing: 0.08em;
}

.logo small {
    display: block;

    margin-top: 5px;

    color: #9bb1ca;

    font-family: "Inter", Arial, sans-serif;
    font-size: 8px;
    font-weight: 700;

    letter-spacing: 0.18em;
}


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

.links {
    display: flex;
    align-items: center;

    gap: 25px;

    color: #dbe7f5;

    font-size: 13px;
    font-weight: 700;
}

.links a {
    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.links a:hover {
    color: var(--cyan);
}

.navbtn {
    padding: 11px 18px;

    border-radius: 24px;

    background: var(--blue);

    color: #ffffff !important;

    box-shadow: 0 8px 25px rgba(0, 140, 255, 0.25);
}

.navbtn:hover {
    transform: translateY(-2px);
}


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

.menu {
    display: none;

    padding: 5px;

    border: 0;
    background: transparent;

    color: #ffffff;

    font-size: 26px;

    cursor: pointer;
}


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

.hero {
    position: relative;

    min-height: 700px;

    display: flex;
    align-items: center;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 78% 35%,
            #123e70 0%,
            #07182b 40%,
            #03070e 78%
        );

    color: #ffffff;
}

.hero-glow {
    position: absolute;

    width: 550px;
    height: 550px;

    right: -150px;
    top: 80px;

    border-radius: 50%;

    background: #079eff;

    filter: blur(130px);

    opacity: 0.16;

    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 2;

    display: grid;

    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;

    gap: 35px;

    padding-top: 75px;
}

.hero-copy {
    max-width: 680px;
}

.eyebrow {
    margin-bottom: 12px;

    color: var(--blue);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 0.17em;

    line-height: 1.4;
}

.hero .eyebrow {
    color: #52d8ff;
}

.hero h1 {
    margin-bottom: 25px;

    font-size: clamp(50px, 6vw, 78px);

    font-weight: 800;

    line-height: 0.98;

    letter-spacing: -0.055em;
}

.hero-copy > p:not(.eyebrow) {
    max-width: 650px;

    color: #c2d1e4;

    font-size: 17px;
}


/* =========================================
   BUTTONS
========================================= */

.actions {
    display: flex;
    flex-wrap: wrap;

    gap: 12px;

    margin: 28px 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 47px;

    padding: 13px 21px;

    border-radius: 8px;

    font-size: 13px;
    font-weight: 800;

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

.btn:hover {
    transform: translateY(-2px);
}

.primary {
    background:
        linear-gradient(
            135deg,
            #087cf8,
            #20b7ff
        );

    color: #ffffff;

    box-shadow:
        0 12px 30px rgba(0, 140, 255, 0.21);
}

.primary:hover {
    box-shadow:
        0 16px 38px rgba(0, 140, 255, 0.35);
}

.outline {
    border: 1px solid #68809d;

    color: #ffffff;
}

.outline:hover {
    border-color: var(--cyan);
}

.light {
    background: #ffffff;
    color: var(--ink);
}


/* =========================================
   HERO MINI STATS
========================================= */

.mini-stats {
    display: flex;

    gap: 25px;

    margin-top: 30px;
}

.mini-stats span {
    padding-left: 12px;

    border-left: 1px solid #35506d;

    color: #8da3bd;

    font-size: 10px;
}

.mini-stats b {
    display: block;

    color: #ffffff;

    font-size: 16px;
}


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

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    display: block;

    width: 100%;
    max-width: 680px;
}


/* =========================================
   TRUST BAR
========================================= */

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

    margin-top: -38px;
}

.trust-grid {
    display: grid;

    grid-template-columns: repeat(6, 1fr);

    padding: 22px 10px;

    background: #07182a;

    border: 1px solid #26435f;

    border-radius: 16px;

    color: #bfe9ff;

    box-shadow:
        0 20px 55px rgba(0, 0, 0, 0.2);
}

.trust-grid span {
    text-align: center;

    padding: 0 8px;

    border-right: 1px solid #28445e;

    font-size: 10px;
    font-weight: 800;

    letter-spacing: 0.1em;
}

.trust-grid span:last-child {
    border-right: 0;
}


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

.section {
    padding: 105px 0;
}

.section.dark {
    background: var(--navy);

    color: #ffffff;
}

.section.pale {
    background: var(--pale);
}


/* =========================================
   TWO COLUMN LAYOUT
========================================= */

.split {
    display: grid;

    grid-template-columns: 1fr 1fr;

    align-items: center;

    gap: 75px;
}


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

.section h2,
.heading h2 {
    margin-bottom: 18px;

    font-size: clamp(34px, 4vw, 51px);

    line-height: 1.08;

    letter-spacing: -0.045em;
}

.section p {
    color: var(--muted);

    font-size: 15px;
}

.dark p {
    color: #9bb0c7;
}

.heading {
    margin-bottom: 40px;
}

.heading > p:not(.eyebrow) {
    max-width: 650px;
}


/* =========================================
   CENTER HEADING
========================================= */

.center {
    max-width: 720px;

    margin-left: auto;
    margin-right: auto;

    text-align: center;
}


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

.visual-card {
    overflow: hidden;

    border-radius: 22px;

    background: #07182b;

    box-shadow:
        0 25px 70px rgba(9, 35, 68, 0.09);
}

.visual-card img {
    display: block;

    width: 100%;
}


/* =========================================
   TEXT LINK
========================================= */

.textlink {
    display: inline-block;

    margin-top: 10px;

    color: var(--blue);

    font-size: 14px;
    font-weight: 800;
}

.textlink:hover {
    color: #056bc4;
}


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

.cards {
    display: grid;

    gap: 18px;
}


/* =========================================
   AI SMART SECURITY CARDS
========================================= */

.smart {
    grid-template-columns: repeat(3, 1fr);
}

.smart article {
    overflow: hidden;

    padding: 23px;

    border: 1px solid #1d4567;

    border-radius: 18px;

    background:
        linear-gradient(
            145deg,
            #0c243d,
            #061322
        );

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.smart article:hover {
    transform: translateY(-6px);

    border-color: #16a9ff;

    box-shadow:
        0 20px 45px rgba(0, 150, 255, 0.12);
}

.smart article img {
    display: block;

    width: 100%;
    height: 145px;

    object-fit: contain;

    margin-bottom: 8px;
}

.smart h3 {
    margin: 5px 0 8px;

    color: #ffffff;

    font-size: 18px;
}

.smart p {
    margin-bottom: 0;

    color: #9fb2c8;

    font-size: 13px;
}


/* =========================================
   GENERAL SERVICE CARDS
========================================= */

.services {
    grid-template-columns: repeat(3, 1fr);
}

.services article {
    padding: 27px;

    border: 1px solid var(--line);

    border-radius: 16px;

    background: #ffffff;

    transition:
        transform 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.services article:hover {
    transform: translateY(-6px);

    border-color: #a5d8ff;

    box-shadow:
        0 20px 50px rgba(10, 35, 64, 0.09);
}

.services article > b {
    display: grid;
    place-items: center;

    width: 44px;
    height: 44px;

    border-radius: 12px;

    background: #e9f5ff;

    color: var(--blue);

    font-size: 21px;
}

.services h3 {
    margin: 17px 0 6px;

    font-size: 17px;
}

.services p {
    margin-bottom: 0;

    font-size: 13px;
}


/* =========================================
   SMART BUILDING LIST
========================================= */

.pale ul {
    columns: 2;

    margin: 25px 0 0;

    padding: 0;

    list-style: none;

    color: #2e4056;

    font-size: 13px;
    font-weight: 700;
}

.pale li {
    margin: 10px 0;

    break-inside: avoid;
}

.pale li::before {
    content: "✓";

    margin-right: 8px;

    color: var(--blue);

    font-weight: 900;
}


/* =========================================
   WHY STARK
========================================= */

.why {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 20px;
}

.why > div {
    padding: 25px;

    border-top: 2px solid #dbe7f2;
}

.why b {
    color: var(--blue);

    font-size: 13px;
    letter-spacing: 0.08em;
}

.why h3 {
    margin: 10px 0 5px;

    font-size: 18px;
}

.why p {
    margin-bottom: 0;

    font-size: 13px;
}


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

.cta {
    padding: 78px 0;

    background:
        linear-gradient(
            110deg,
            #06172b,
            #0b3966
        );

    color: #ffffff;
}

.cta-inner {
    display: flex;

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

    gap: 35px;
}

.cta h2 {
    max-width: 760px;

    margin-bottom: 15px;

    color: #ffffff;

    font-size: clamp(32px, 4vw, 50px);

    line-height: 1.05;
}

.cta p:not(.eyebrow) {
    max-width: 680px;

    color: #b8cbe0;
}


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

footer {
    padding: 60px 0 20px;

    background: #030811;

    color: #a9bbd0;
}

.footer-grid {
    display: grid;

    grid-template-columns: 2fr 1fr 1.4fr;

    gap: 50px;
}

.footer-logo {
    color: #ffffff;

    font-size: 29px;
    font-weight: 800;

    letter-spacing: 0.08em;
}

.footer-grid h4 {
    margin-bottom: 12px;

    color: #ffffff;

    font-size: 15px;
}

.footer-grid p {
    margin-bottom: 10px;

    font-size: 12px;
}

.footer-grid a {
    display: block;

    margin: 8px 0;

    font-size: 12px;

    transition: color 0.2s ease;
}

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


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

.bottom {
    display: flex;

    justify-content: space-between;

    gap: 20px;

    margin-top: 40px;

    padding-top: 18px;

    border-top: 1px solid #18283b;

    font-size: 10px;
}


/* =========================================
   WHATSAPP BUTTON
========================================= */

.whatsapp {
    position: fixed;

    right: 20px;
    bottom: 20px;

    z-index: 500;

    display: flex;

    align-items: center;

    gap: 9px;
}

.whatsapp span {
    padding: 8px 13px;

    border-radius: 20px;

    background: #ffffff;

    font-size: 11px;
    font-weight: 800;

    box-shadow:
        0 7px 25px rgba(0, 0, 0, 0.12);
}

.whatsapp b {
    width: 58px;
    height: 58px;

    display: grid;
    place-items: center;

    border: 4px solid #ffffff;

    border-radius: 50%;

    background: #20c66a;

    color: #ffffff;

    font-size: 30px;

    box-shadow:
        0 12px 30px rgba(32, 198, 106, 0.34);

    transition:
        transform 0.2s ease;
}

.whatsapp:hover b {
    transform: scale(1.08);
}


/* =========================================
   SCROLL ANIMATION
========================================= */

.reveal {
    opacity: 0;

    transform: translateY(20px);

    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.reveal.show {
    opacity: 1;

    transform: translateY(0);
}


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

@media (max-width: 1000px) {

    .links {
        gap: 15px;
    }

    .hero-grid {
        gap: 20px;
    }

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

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


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

@media (max-width: 900px) {

    .menu {
        display: block;
    }

    .links {
        display: none;

        position: absolute;

        top: 82px;
        left: 4%;
        right: 4%;

        flex-direction: column;

        align-items: stretch;

        gap: 0;

        padding: 18px;

        border: 1px solid #284866;

        border-radius: 14px;

        background: #061426;

        box-shadow:
            0 20px 50px rgba(0, 0, 0, 0.25);
    }

    .links.open {
        display: flex;
    }

    .links a {
        padding: 12px 5px;
    }

    .links .navbtn {
        margin-top: 8px;

        text-align: center;
    }

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

    .hero {
        padding-bottom: 70px;
    }

    .hero-copy {
        padding-top: 20px;
    }

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

        margin-left: auto;
        margin-right: auto;
    }

    .trust-grid {
        grid-template-columns: repeat(3, 1fr);

        gap: 15px;
    }

    .trust-grid span {
        border-right: 0;
    }

    .cta-inner {
        display: block;
    }

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


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

@media (max-width: 600px) {

    .container {
        width: min(92%, 520px);
    }

    .nav {
        min-height: 74px;
    }

    .logo strong {
        font-size: 25px;
    }

    .logo small {
        font-size: 7px;
    }

    .links {
        top: 74px;
    }

    .hero {
        min-height: auto;

        padding-top: 115px;
        padding-bottom: 65px;
    }

    .hero h1 {
        font-size: 49px;
    }

    .hero-copy > p:not(.eyebrow) {
        font-size: 15px;
    }

    .mini-stats {
        gap: 10px;
    }

    .mini-stats span {
        font-size: 9px;
    }

    .mini-stats b {
        font-size: 14px;
    }

    .trust {
        margin-top: -25px;
    }

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

        padding: 18px 8px;
    }

    .trust-grid span {
        font-size: 9px;
    }

    .section {
        padding: 75px 0;
    }

    .section h2,
    .heading h2 {
        font-size: 35px;
    }

    .smart,
    .services,
    .why {
        grid-template-columns: 1fr;
    }

    .pale ul {
        columns: 1;
    }

    .cta {
        padding: 65px 0;
    }

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

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

    .bottom {
        display: block;
    }

    .bottom span:last-child {
        display: block;

        margin-top: 7px;
    }

    .whatsapp {
        right: 14px;
        bottom: 14px;
    }

    .whatsapp span {
        display: none;
    }

    .whatsapp b {
        width: 56px;
        height: 56px;
    }
}


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

@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;
    }

    .reveal {
        opacity: 1;

        transform: none;
    }
}


/* =========================================
   PRINT
========================================= */

@media print {

    .header,
    .whatsapp,
    .actions,
    .menu {
        display: none !important;
    }

    .hero {
        min-height: auto;

        background: #ffffff;

        color: #000000;
    }

    .section {
        padding: 40px 0;
    }
}