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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* ==========================================
   COLOR PALETTE
   ========================================== */

:root {

    --navy: #0F172A;
    --navy-light: #1E293B;

    --steel: #475569;
    --steel-light: #64748B;

    --blue: #184AAE;
    --blue-hover: #1E40AF;

    --background: #E9EEF4;

    --surface: #FFFFFF;

    --text: #111827;
    --text-light: #4B5563;

    --border: #CBD5E1;

    --shadow: rgba(15, 23, 42, 0.08);

}
/* ==========================================
   PAGE
   ========================================== */

html {
    scroll-behavior: smooth;
}

body {

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

    background: var(--background);

    color: var(--text);

    line-height: 1.6;

}
/* ==========================================
   LAYOUT
   ========================================== */

.container {

    width: min(1200px, 90%);

    margin: 0 auto;

}



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

.site-header {

    box-shadow:
    0 6px 20px rgba(15,23,42,.04);

    background: var(--surface);

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

    position: sticky;

    top: 0;

    z-index: 1000;

}

.navbar {

    display: flex;

    justify-content: space-between;

    align-items: center;

    height: 80px;

}

.logo-placeholder {

    width: 42px;
    height: 42px;

    border-radius: 12px;

    background: var(--navy);

    color: white;

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

    font-weight: 700;
    font-size: 1rem;

}

.logo{

    display:flex;

    align-items:center;

    text-decoration:none;

}

.site-logo{

    height: 500px;

    width:auto;

    display:block;

}

.nav-links {

    display: flex;

    gap: 2rem;

    list-style: none;

}

.nav-links a {

    color: var(--text);

    font-weight: 500;

    transition: color 0.25s ease;

}

.nav-links a:hover {

    color: var(--blue);

}

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

.hero {

    padding: 7rem 0;

    background:
        linear-gradient(
        180deg,
        #FFFFFF 0%,
        #E2EAF6 100%);

}

.hero-content {

    display:flex;

    justify-content:space-between;

    align-items:center;

    gap:6rem;

}
.hero-text{

    flex:0 1 560px;

}

.hero-image{

    flex:0 0 420px;

    display:flex;

    justify-content:center;

    align-items:center;

}

.hero h1 {

    font-size: 3.5rem;

    font-weight: 800;

    line-height: 1.1;

    color: var(--navy);

    margin-bottom: 1.5rem;

}

.hero p {

    font-size: 1.2rem;

    color: var(--text-light);

    margin-bottom: 2.5rem;

}
.hero-button{

    display:inline-block;

    padding:16px 34px;

    background:var(--blue);

    color:white;

    text-decoration:none;

    font-weight:600;

    border-radius:12px;

    box-shadow:
        0 10px 30px rgba(37,99,235,.25);

    transition:
        all .3s ease;

}

.hero-button:hover{

    background:var(--blue-hover);

    transform:translateY(-4px);

    box-shadow:
        0 18px 36px rgba(37,99,235,.35);

}
.hero-screenshot {

    width: 100%;

    max-width: 390px;

    border-radius: 22px;

    box-shadow:
        0 30px 70px rgba(15,23,42,.18);

    transition:
        transform .35s ease,
        box-shadow .35s ease;
    
    border:1px solid rgba(15,23,42,.08);

}

.hero-screenshot:hover{

    transform:translateY(-8px);

    box-shadow:
        0 40px 90px rgba(15,23,42,.22);

}

.hero{

    border-bottom:1px solid rgba(15,23,42,.05);

}

/* ===========================
   FEATURED PRODUCT
=========================== */

.featured-product{

    padding: 7rem 0;

    text-align:center;

    background: linear-gradient(
    135deg,
    #0B1120 0%,
    #0F172A 100%
);

    color:white;

    position:relative;

    overflow:hidden;

}
.featured-product::before{

    content:"";

    position:absolute;

    width:600px;

    height:600px;

    border-radius:50%;

    background:
        rgba(37,99,235,.10);

    top:-250px;

    right:-200px;

    filter:blur(60px);

}

.section-label{

    color:var(--blue);

    font-size:.85rem;

    font-weight:700;

    letter-spacing:2px;

    margin-bottom:20px;

}

.featured-product h2{

    font-size:3rem;

    color:white;

    margin-bottom:20px;

}


.featured-description{

    max-width:700px;

    margin:0 auto 40px;

    font-size:1.2rem;

    line-height:1.8;

    color:rgba(255,255,255,.80);

}

.primary-button{

    display:inline-block;

    padding:16px 34px;

    background:var(--blue);

    color:white;

    text-decoration:none;

    font-weight:600;

    border-radius:16px;

    box-shadow:
        0 10px 30px rgba(37,99,235,.25);

    transition:
        all .3s ease;

}

.primary-button:hover{

    background:var(--blue-hover);

    transform:
        translateY(-4px);

    box-shadow:
        0 18px 40px rgba(37,99,235,.35);

}

.primary-button:hover{

    background:var(--blue-hover);

    transform:translateY(-3px);

}



/* ==========================================
   WHY BILLIOT SOFTWARE
========================================== */

.why-section{

    padding: 6rem 0;

    background:#E8EEF6;

    text-align:center;

}

.section-description{

    max-width:700px;

    margin:20px auto 60px;

    color:var(--text-light);

    font-size:1.15rem;

    line-height:1.8;

}

.why-grid{

    display:grid;

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

    gap:2rem;

}

.why-card{

    background:white;

    padding:2.5rem;

    border-radius:20px;

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

    box-shadow:
        0 12px 30px rgba(15,23,42,.06);

    transition:.3s ease;

}

.why-card:hover{

    transform:translateY(-6px);

    box-shadow:
0 18px 45px rgba(15,23,42,.08);

}

.why-icon{

    margin-bottom:1.5rem;

}

.why-icon img{

    width:58px;

    height:58px;

}

.why-card h3{

    color:var(--navy);

    margin-bottom:1rem;

}

.why-card p{

    color:var(--text-light);

    line-height:1.8;

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

.site-footer{

    background:var(--navy);

    color:white;

    margin-top:6rem;

}

.logo-placeholder {

    width: 42px;
    height: 42px;

    border-radius: 12px;

    background: var(--navy);

    color: white;

    display: flex;

    align-items: center;

    justify-content: center;

    font-weight: 700;
    font-size: 1rem;

}

.footer-content{

    display:flex;

    justify-content:space-between;

    align-items:flex-start;

    gap:4rem;

    padding:4rem 0;

    flex-wrap:wrap;

}

.footer-brand{

    display:flex;

    align-items:center;

    gap:1.5rem;

    max-width:450px;

}

.footer-brand h3{

    margin-bottom:.5rem;

}

.footer-brand p{

    color:rgba(255,255,255,.70);

}

.footer-logo{

    width:220px;

    height:auto;

    display:block;

    flex-shrink:0;

}

.footer-links{

    display:flex;

    flex-direction:column;

    gap:1rem;

}

.footer-links a{

    color:rgba(255,255,255,.75);

    text-decoration:none;

    transition:.25s;

}

.footer-links a:hover{

    color:white;

}

.footer-bottom{

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

    padding:1.5rem 0;

}

.footer-bottom p{

    color:rgba(255,255,255,.60);

    text-align:center;

}

/* ==========================================
   PRODUCTS PAGE
========================================== */

.products-intro{

    padding:6rem 0 4rem;

    text-align:center;

}

.products-intro h1{

    font-size:3rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.products-description{

    max-width:760px;

    margin:0 auto;

    font-size:1.2rem;

    color:var(--text-light);

    line-height:1.8;

}

.product-feature{

    padding:6rem 0;

}

.product-label{

    color:var(--blue);

    font-size:1.5rem;

    font-weight:800;

    letter-spacing:4px;

    text-transform:uppercase;

    margin-bottom:2rem;

}

.feature-layout{

    display:flex;

    align-items:center;

    justify-content:space-between;

    gap:5rem;

}

.feature-text{

    flex:1;

}

.feature-text h2{

    font-size:2.5rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.feature-text p{

    font-size:1.1rem;

    color:var(--text-light);

    line-height:1.8;

}

.feature-image{

    flex:1;

    display:flex;

    justify-content:center;

}

.feature-screenshot{

    width:100%;

    max-width:360px;

    border-radius:22px;

    border:1px solid rgba(15,23,42,.08);

    box-shadow:0 25px 60px rgba(15,23,42,.15);

    transition:.3s;

}

.feature-screenshot:hover{

    transform:translateY(-6px);

}

.reverse{

    flex-direction:row-reverse;

}

.security-section{

    background:#E9EEF4;

}

/* ==========================================
   DOWNLOAD SECTION
========================================== */

.download-section{

    padding:6rem 0;

    text-align:center;

    background:var(--navy);

    color:white;

}

.download-section h2{

    font-size:2.8rem;

    margin-bottom:1.5rem;

}

.download-description{

    max-width:700px;

    margin:0 auto 3rem;

    color:rgba(255,255,255,.80);

    font-size:1.15rem;

    line-height:1.8;

}

.store-buttons{

    display:flex;

    justify-content:center;

    gap:1.5rem;

    flex-wrap:wrap;

}

/* ==========================================
   SUPPORT PAGE
========================================== */

.support-hero{

    padding:6rem 0 4rem;

    text-align:center;

    background:linear-gradient(
        180deg,
        #FFFFFF 0%,
        #E2EAF6 100%
    );

}

.support-hero h1{

    font-size:2.5rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.support-description{

    max-width:700px;

    margin:0 auto;

    font-size:1.2rem;

    line-height:1.8;

    color:var(--text-light);

}

.support-contact{

    padding:6rem 0;

}

.support-card{

    max-width:800px;

    margin:0 auto;

    background:white;

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

    border-radius:22px;

    padding:3rem;

    text-align:center;

    box-shadow:
        0 15px 35px rgba(15,23,42,.08);

}

.support-card h2{

    font-size:2rem;

    color:var(--navy);

    margin-bottom:1rem;

}

.support-card p{

    color:var(--text-light);

    line-height:1.8;

}

.support-icon{

    display:flex;

    justify-content:center;

    margin-bottom:1.5rem;

}

.support-icon img{

    width:72px;

    height:72px;

}

.support-email{

    display:inline-block;

    margin:2rem 0;

    font-size:1.35rem;

    font-weight:700;

    color:var(--blue);

    text-decoration:none;

}

.support-email:hover{

    color:var(--blue-hover);

}

.response-time{

    margin-top:1rem;

    font-size:1rem;

}

.faq-section{

    padding:6rem 0;

    background:var(--background);

}

.faq-grid{

    display:grid;

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

    gap:2rem;

    margin-top:3rem;

}

.faq-card{

    background:white;

    padding:2.5rem;

    border-radius:20px;

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

    box-shadow:
        0 12px 30px rgba(15,23,42,.06);

}

.faq-card h3{

    color:var(--navy);

    margin-bottom:1rem;

    font-size:1.35rem;

}

.faq-card p{

    color:var(--text-light);

    line-height:1.8;

}

/* ==========================================
   CONTACT PAGE
========================================== */

.contact-hero{

    padding:6rem 0 4rem;

    text-align:center;

    background:linear-gradient(
        180deg,
        #FFFFFF 0%,
        #E2EAF6 100%
    );

}

.contact-hero h1{

    font-size:3rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.contact-description{

    max-width:700px;

    margin:0 auto;

    font-size:1.2rem;

    line-height:1.8;

    color:var(--text-light);

}

.contact-section{

    padding:6rem 0;

}

.contact-grid{

    display:grid;

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

    gap:2rem;

}

.contact-card{

    background:white;

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

    border-radius:20px;

    padding:2.75rem;

    text-align:center;

    box-shadow:
        0 12px 30px rgba(15,23,42,.06);

    transition:.3s ease;

}

.contact-card:hover{

    transform:translateY(-6px);

    box-shadow:
        0 20px 40px rgba(15,23,42,.10);

}

.contact-icon{

    display:flex;

    justify-content:center;

    margin-bottom:1.5rem;

}

.contact-icon img{

    width:64px;

    height:64px;

}

.contact-card h2{

    color:var(--navy);

    margin-bottom:1rem;

    font-size:1.6rem;

}

.contact-card p{

    color:var(--text-light);

    line-height:1.8;

    margin-bottom:2rem;

}

.contact-email{

    color:var(--blue);

    font-weight:700;

    text-decoration:none;

    word-break:break-word;

}

.contact-email:hover{

    color:var(--blue-hover);

}

/* ==========================================
   PRIVACY PAGE
========================================== */

.privacy-hero{

    padding:6rem 0 4rem;

    text-align:center;

    background:linear-gradient(
        180deg,
        #FFFFFF 0%,
        #E2EAF6 100%
    );

}

.privacy-hero h1{

    font-size:3rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.privacy-description{

    max-width:720px;

    margin:0 auto;

    font-size:1.2rem;

    line-height:1.8;

    color:var(--text-light);

}

.policy-section{

    padding:6rem 0;

}

.policy-card{

    max-width:900px;

    margin:0 auto;

    background:white;

    padding:3rem;

    border-radius:22px;

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

    box-shadow:0 15px 35px rgba(15,23,42,.06);

}

.policy-card h2{

    margin-top:2rem;

    margin-bottom:1rem;

    color:var(--navy);

}

.policy-card h2:first-child{

    margin-top:0;

}

.policy-card p{

    color:var(--text-light);

    line-height:1.9;

}

/* ==========================================
   TERMS PAGE
========================================== */

.terms-hero{

    padding:6rem 0 4rem;

    text-align:center;

    background:linear-gradient(
        180deg,
        #FFFFFF 0%,
        #E2EAF6 100%
    );

}

.terms-hero h1{

    font-size:3rem;

    color:var(--navy);

    margin-bottom:1.5rem;

}

.terms-description{

    max-width:720px;

    margin:0 auto;

    font-size:1.2rem;

    line-height:1.8;

    color:var(--text-light);

}

.last-updated{

    margin-top:1rem;

    color:var(--steel-light);

    font-size:.95rem;

}
/* ==========================================
   MOBILE RESPONSIVE
   Desktop styles remain unchanged
========================================== */

@media (max-width: 768px) {

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

    .container {
        width: 100%;
        padding: 0 24px;
    }


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

    .navbar {
        height: 68px;
    }

    .site-logo {
        height: 42px;
    }

    .nav-links {
        gap: 0.9rem;
    }

    .nav-links a {
        font-size: 0.8rem;
    }


    /* ==========================================
       HOME — HERO
    ========================================== */

    .hero {
        padding: 4rem 0;
    }

    .hero-content {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .hero-text {
        flex: none;
        width: 100%;
    }

    .hero h1 {
        font-size: 2.35rem;
        line-height: 1.15;
        margin-bottom: 1.25rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-image {
        flex: none;
        width: 100%;
    }

    .hero-screenshot {
        max-width: 300px;
    }


    /* ==========================================
       FEATURED PRODUCT
    ========================================== */

    .featured-product {
        padding: 5rem 0;
    }

    .featured-product h2 {
        font-size: 2.25rem;
    }

    .featured-description {
        font-size: 1rem;
        line-height: 1.7;
    }


    /* ==========================================
       WHY BILLIOT SOFTWARE
    ========================================== */

    .why-section {
        padding: 5rem 0;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .why-card {
        padding: 2rem;
    }


    /* ==========================================
       PRODUCTS PAGE
    ========================================== */

    .products-intro {
        padding: 4rem 0 3rem;
    }

    .products-intro h1 {
        font-size: 2.35rem;
    }

    .products-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .product-feature {
        padding: 4rem 0;
    }

    .feature-layout {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .feature-layout.reverse {
        flex-direction: column;
    }

    .feature-text {
        width: 100%;
    }

    .feature-text h2 {
        font-size: 2rem;
    }

    .feature-text p {
        font-size: 1rem;
        line-height: 1.7;
    }

    .feature-image {
        width: 100%;
    }

    .feature-screenshot {
        max-width: 300px;
    }


    /* ==========================================
       DOWNLOAD SECTION
    ========================================== */

    .download-section {
        padding: 5rem 0;
    }

    .download-section h2 {
        font-size: 2.25rem;
    }

    .download-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .store-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }


    /* ==========================================
       SUPPORT PAGE
    ========================================== */

    .support-hero {
        padding: 4rem 0 3rem;
    }

    .support-hero h1 {
        font-size: 2.35rem;
    }

    .support-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .support-contact {
        padding: 4rem 0;
    }

    .support-card {
        padding: 2rem 1.5rem;
    }

    .support-card h2 {
        font-size: 1.75rem;
    }

    .support-email {
        font-size: 1.1rem;
    }


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

    .faq-section {
        padding: 4rem 0;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .faq-card {
        padding: 2rem 1.5rem;
    }

    .faq-card h3 {
        font-size: 1.2rem;
    }


    /* ==========================================
       CONTACT PAGE
    ========================================== */

    .contact-hero {
        padding: 4rem 0 3rem;
    }

    .contact-hero h1 {
        font-size: 2.35rem;
    }

    .contact-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .contact-section {
        padding: 4rem 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-card {
        padding: 2rem 1.5rem;
    }


    /* ==========================================
       PRIVACY / TERMS
    ========================================== */

    .privacy-hero,
    .terms-hero {
        padding: 4rem 0 3rem;
    }

    .privacy-hero h1,
    .terms-hero h1 {
        font-size: 2.35rem;
    }

    .privacy-description,
    .terms-description {
        font-size: 1rem;
        line-height: 1.7;
    }

    .policy-section {
        padding: 4rem 0;
    }

    .policy-card {
        padding: 2rem 1.5rem;
    }


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

    .site-footer {
        margin-top: 4rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 2.5rem;
        padding: 3rem 0;
    }

    .footer-brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .footer-logo {
        width: 180px;
    }

    .footer-links {
        gap: 0.75rem;
    }

}