/* ==========================================================
   STRATUMEV RESEARCH PORTAL
   ========================================================== */

   :root{

    /* Brand */

    --navy:#07111F;
    --graphite:#172235;
    --panel:#111C2B;

    --blue:#16A3FF;
    --cyan:#55D7FF;

    /* Typography */

    --white:#F7FAFC;
    --muted:#AEBBCA;

    /* Borders */

    --line:#2B3C52;

    /* Status */

    --success:#2ECF91;
    --warning:#FFB547;
    --danger:#E05353;

    /* Radius */

    --radius-sm:12px;
    --radius-md:18px;
    --radius-lg:28px;

    /* Shadows */

    --shadow-lg:
        0 30px 70px rgba(0,0,0,.35);

    }

/*=============================================================
  STRATUMEV RESEARCH PORTAL
  PART 1
  -------------------------------------------------------------
  1. Variables
  2. Reset
  3. Base Styles
  4. Typography
  5. Navigation
  6. Hero
  7. Buttons
  8. Hero Statistics
==============================================================*/


/*=============================================================
  1. VARIABLES
==============================================================*/

:root{

    /* Brand Colours */

    --navy:#07111F;
    --graphite:#172235;
    --panel:#101B2A;
    --panel-light:#17263B;

    --blue:#16A3FF;
    --cyan:#55D7FF;

    /* Typography */

    --white:#F7FAFC;
    --muted:#AEBBCA;

    /* Borders */

    --line:#2B3C52;

    /* Status */

    --success:#2ECF91;
    --warning:#FFB547;
    --danger:#E05353;

    /* Radius */

    --radius-sm:12px;
    --radius-md:18px;
    --radius-lg:28px;

    /* Shadows */

    --shadow-lg:
        0 35px 80px rgba(0,0,0,.35);

    --shadow-md:
        0 18px 45px rgba(0,0,0,.25);

    /* Width */

    --container:1400px;

}


/*=============================================================
  2. RESET
==============================================================*/

*{

    margin:0;

    padding:0;

    box-sizing:border-box;

}

html{

    scroll-behavior:smooth;

}

body{

    font-family:
        Inter,
        "Segoe UI",
        Arial,
        sans-serif;

    background:var(--navy);

    color:var(--white);

    overflow-x:hidden;

    text-rendering:optimizeLegibility;

    -webkit-font-smoothing:antialiased;

    -moz-osx-font-smoothing:grayscale;

}

img{

    display:block;

    max-width:100%;

}

a{

    color:inherit;

    text-decoration:none;

}

button{

    font:inherit;

    cursor:pointer;

    border:none;

}

section{

    padding:120px 8%;

}

main{

    position:relative;

}


/*=============================================================
  3. TYPOGRAPHY
==============================================================*/

.section-heading{

    margin-bottom:70px;

}

.section-heading span{

    display:inline-block;

    margin-bottom:18px;

    color:var(--blue);

    text-transform:uppercase;

    font-size:.85rem;

    font-weight:700;

    letter-spacing:2px;

}

.section-heading h2{

    font-size:clamp(2.4rem,4vw,3.4rem);

    line-height:1.1;

    margin-bottom:20px;

}

.section-heading p{

    max-width:760px;

    color:var(--muted);

    font-size:1.1rem;

    line-height:1.9;

}


/*=============================================================
  4. NAVIGATION
==============================================================*/

.portal-nav{

    position:fixed;

    top:0;

    left:0;

    width:100%;

    height:84px;

    padding:0 8%;

    display:flex;

    align-items:center;

    justify-content:space-between;

    background:rgba(7,17,31,.82);

    backdrop-filter:blur(16px);

    border-bottom:1px solid rgba(255,255,255,.05);

    z-index:1000;

}

.logo{

    font-size:1.45rem;

    font-weight:800;

    letter-spacing:1px;

}

.logo span{

    color:var(--blue);

    font-weight:500;

}

.portal-nav ul{

    display:flex;

    align-items:center;

    gap:42px;

    list-style:none;

}

.portal-nav a{

    color:var(--muted);

    transition:.3s;

    font-weight:500;

}

.portal-nav a:hover{

    color:var(--white);

}


/*=============================================================
  5. HERO
==============================================================*/

.hero{

    position:relative;

    min-height:100dvh;

    display:flex;

    align-items:center;

    padding:140px 8% 100px;

    overflow:hidden;

    isolation:isolate;

}

.hero::before{

    content:"";

    position:absolute;

    inset:0;

    background:

        radial-gradient(circle at top right,
        rgba(22,163,255,.18),
        transparent 42%),

        radial-gradient(circle at bottom left,
        rgba(85,215,255,.10),
        transparent 38%);

    z-index:-2;

}

.hero-overlay{

    position:absolute;

    inset:0;

    background:

        linear-gradient(

            180deg,

            rgba(7,17,31,.35),

            rgba(7,17,31,.82)

        );

    z-index:-1;

}

.hero-content{

    width:min(760px,100%);

}

.eyebrow{

    display:inline-flex;

    margin-bottom:26px;

    padding:10px 18px;

    border-radius:999px;

    background:rgba(22,163,255,.12);

    color:var(--cyan);

    border:1px solid rgba(22,163,255,.25);

    font-size:.82rem;

    font-weight:700;

    letter-spacing:2px;

    text-transform:uppercase;

}

.hero h1{

    font-size:clamp(3.5rem,7vw,5.4rem);

    line-height:1.05;

    margin-bottom:34px;

    font-weight:800;

    max-width:900px;

}

.hero p{

    max-width:700px;

    font-size:1.2rem;

    line-height:2;

    color:var(--muted);

    margin-bottom:50px;

}

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

.hero-search{

    margin-top:40px;

    width:min(650px,100%);

}

.hero-search input{

    width:100%;

    padding:20px 24px;

    border:none;

    border-radius:999px;

    background:rgba(255,255,255,.06);

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

    color:var(--white);

    font-size:1rem;

    outline:none;

    transition:.3s;

}

.hero-search input::placeholder{

    color:var(--muted);

}

.hero-search input:focus{

    border-color:var(--blue);

    box-shadow:0 0 0 4px rgba(22,163,255,.12);

}

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

.hero-grid{

    display:grid;

    grid-template-columns:1.05fr .95fr;

    align-items:center;

    gap:90px;

    min-height:100dvh;

}

.hero-left{

    max-width:760px;

}

.hero-right{

    display:flex;

    justify-content:center;

}

.hero-report{

    position:relative;

    width:100%;

    max-width:560px;

}

.hero-report img{

    width:100%;

    border-radius:26px;

    box-shadow:

        0 40px 80px rgba(0,0,0,.45);

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

}

.hero-report-info{

    position:absolute;

    bottom:-60px;

    left:40px;

    right:40px;

    padding:34px;

    border-radius:24px;

    backdrop-filter:blur(18px);

    background:rgba(7,17,31,.88);

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

    box-shadow:0 25px 50px rgba(0,0,0,.35);

}

.hero-report-info span{

    color:var(--blue);

    font-size:.8rem;

    letter-spacing:2px;

    font-weight:700;

}

.hero-report-info h3{

    margin:14px 0;

    font-size:1.8rem;

}

.hero-report-info p{

    margin-bottom:28px;

}


/*=============================================================
  6. BUTTONS
==============================================================*/

.hero-buttons{

    display:flex;

    gap:20px;

    flex-wrap:wrap;

}

.primary-btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:18px 34px;

    border-radius:999px;

    background:linear-gradient(

        135deg,

        var(--blue),

        #007BFF

    );

    color:#fff;

    font-weight:700;

    transition:.35s;

    box-shadow:var(--shadow-md);

}

.primary-btn:hover{

    transform:translateY(-3px);

}

.secondary-btn{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    padding:18px 34px;

    border-radius:999px;

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

    background:rgba(255,255,255,.03);

    color:var(--white);

    transition:.35s;

}

.secondary-btn:hover{

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

    transform:translateY(-3px);

}


/*=============================================================
  7. HERO STATISTICS
==============================================================*/

.hero-stats{

    margin-top:90px;

    display:grid;

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

    gap:28px;

}

.hero-stats div{

    padding:34px;

    background:rgba(255,255,255,.03);

    border:1px solid rgba(255,255,255,.06);

    border-radius:var(--radius-md);

    backdrop-filter:blur(14px);

    transition:.35s;

}

.hero-stats div:hover{

    transform:translateY(-6px);

    border-color:rgba(22,163,255,.25);

}

.hero-stats strong{

    display:block;

    font-size:2.7rem;

    color:var(--white);

    margin-bottom:10px;

}

.hero-stats span{

    color:var(--muted);

    font-size:.95rem;

    text-transform:uppercase;

    letter-spacing:1px;

}


/*=============================================================
  8. CONTAINER HELPERS
==============================================================*/

.container{

    width:min(var(--container),100%);

    margin-inline:auto;

}

/*=============================================================
  PART 2

  9. FEATURED REPORT
  10. CATEGORY GRID
  11. REPORT GRID
  12. REPORT CARDS
  13. PLATFORM STATISTICS
==============================================================*/


/*=============================================================
  9. FEATURED REPORT
==============================================================*/

.featured-section{

    background:linear-gradient(
        180deg,
        #07111F,
        #0B1627
    );

}

#featuredReport{

    display:grid;

    grid-template-columns:520px 1fr;

    gap:60px;

    align-items:center;

    background:var(--panel);

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

    border-radius:28px;

    overflow:hidden;

    box-shadow:var(--shadow-lg);

}

#featuredReport img{

    width:100%;

    height:100%;

    object-fit:cover;

}

.featured-content{

    padding:60px;

}

.featured-category{

    display:inline-flex;

    align-items:center;

    padding:8px 18px;

    border-radius:999px;

    background:rgba(22,163,255,.12);

    color:var(--cyan);

    font-size:.8rem;

    font-weight:700;

    letter-spacing:1px;

    text-transform:uppercase;

    margin-bottom:24px;

}

.featured-content h3{

    font-size:3rem;

    line-height:1.2;

    margin-bottom:24px;

}

.featured-content p{

    color:var(--muted);

    font-size:1.08rem;

    line-height:1.9;

    margin-bottom:42px;

}

.featured-meta{

    display:flex;

    flex-wrap:wrap;

    gap:18px;

    margin-bottom:40px;

}

.featured-meta span{

    padding:10px 18px;

    background:rgba(255,255,255,.04);

    border-radius:999px;

    border:1px solid rgba(255,255,255,.06);

    color:var(--muted);

    font-size:.92rem;

}

.featured-content .primary-btn{

    width:max-content;

}


/*=============================================================
  10. RESEARCH CATEGORIES
==============================================================*/

.categories-section{

    background:#0A1422;

}

.category-grid{

    display:grid;

    grid-template-columns:
        repeat(auto-fit,minmax(280px,1fr));

    gap:28px;

}

.category-card{

    background:var(--panel);

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

    border-radius:22px;

    padding:38px;

    transition:.35s;

    cursor:pointer;

    position:relative;

    overflow:hidden;

}

.category-card::before{

    content:"";

    position:absolute;

    inset:0;

    background:

        linear-gradient(
            135deg,
            rgba(22,163,255,.12),
            transparent
        );

    opacity:0;

    transition:.35s;

}

.category-card:hover{

    transform:translateY(-8px);

    border-color:var(--blue);

}

.category-card:hover::before{

    opacity:1;

}

.category-card h3{

    font-size:1.55rem;

    margin-bottom:16px;

}

.category-card p{

    color:var(--muted);

    line-height:1.8;

    margin-bottom:26px;

}

.category-count{

    color:var(--cyan);

    font-weight:700;

}


/*=============================================================
  11. LATEST REPORTS
==============================================================*/

.latest-section{

    background:var(--navy);

}

.reports-grid{

    display:grid;

    grid-template-columns:
        repeat(auto-fit,minmax(360px,1fr));

    gap:36px;

}


/*=============================================================
  12. REPORT CARD
==============================================================*/

.report-card{

    background:var(--panel);

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

    border-radius:22px;

    overflow:hidden;

    transition:.35s;

    display:flex;

    flex-direction:column;

}

.report-card:hover{

    transform:translateY(-8px);

    border-color:var(--blue);

    box-shadow:var(--shadow-md);

}

.report-card img{

    width:100%;

    height:240px;

    object-fit:cover;

}

.card-content{

    padding:34px;

    display:flex;

    flex-direction:column;

    flex:1;

}

.report-badge{

    display:inline-flex;

    width:max-content;

    padding:8px 16px;

    border-radius:999px;

    background:rgba(22,163,255,.12);

    color:var(--cyan);

    font-size:.75rem;

    font-weight:700;

    text-transform:uppercase;

    margin-bottom:18px;

}

.report-category{

    color:var(--blue);

    font-size:.82rem;

    font-weight:700;

    letter-spacing:1px;

    text-transform:uppercase;

    margin-bottom:18px;

}

.card-content h3{

    font-size:1.8rem;

    line-height:1.35;

    margin-bottom:18px;

}

.card-content p{

    color:var(--muted);

    line-height:1.9;

    margin-bottom:34px;

    flex:1;

}

.report-meta{

    display:flex;

    flex-wrap:wrap;

    gap:12px;

    margin-bottom:28px;

}

.report-meta span{

    padding:8px 14px;

    border-radius:999px;

    background:rgba(255,255,255,.05);

    border:1px solid rgba(255,255,255,.06);

    color:var(--muted);

    font-size:.82rem;

}

.card-content .primary-btn{

    width:100%;

    justify-content:center;

}


/*=============================================================
  13. RESEARCH STATISTICS
==============================================================*/

.statistics-section{

    background:#0A1422;

}

.statistics-grid{

    display:grid;

    grid-template-columns:
        repeat(auto-fit,minmax(260px,1fr));

    gap:28px;

}

.stat-card{

    padding:46px;

    border-radius:22px;

    background:var(--panel);

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

    text-align:center;

    transition:.35s;

}

.stat-card:hover{

    transform:translateY(-8px);

    border-color:var(--blue);

}

.stat-card strong{

    display:block;

    font-size:3.4rem;

    color:var(--white);

    margin-bottom:14px;

}

.stat-card span{

    display:block;

    color:var(--muted);

    font-size:1rem;

    letter-spacing:1px;

    text-transform:uppercase;

}

/*=============================================================
  PART 3

  14. NEWSLETTER
  15. FOOTER
  16. ANIMATIONS
  17. SCROLLBAR
  18. RESPONSIVE
==============================================================*/


/*=============================================================
  14. NEWSLETTER
==============================================================*/

.newsletter-section{

    background:linear-gradient(
        180deg,
        #07111F,
        #0C1728
    );

}

.newsletter-card{

    max-width:960px;

    margin:0 auto;

    padding:80px;

    background:linear-gradient(
        135deg,
        rgba(22,163,255,.08),
        rgba(255,255,255,.02)
    );

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

    border-radius:32px;

    text-align:center;

    backdrop-filter:blur(18px);

    box-shadow:var(--shadow-lg);

}

.newsletter-card span{

    display:inline-block;

    color:var(--cyan);

    font-size:.85rem;

    font-weight:700;

    letter-spacing:2px;

    text-transform:uppercase;

    margin-bottom:20px;

}

.newsletter-card h2{

    font-size:clamp(2.5rem,5vw,3.8rem);

    margin-bottom:24px;

}

.newsletter-card p{

    max-width:700px;

    margin:0 auto 45px;

    color:var(--muted);

    line-height:1.9;

    font-size:1.08rem;

}

#newsletterForm{

    display:flex;

    justify-content:center;

    gap:18px;

    flex-wrap:wrap;

}

#newsletterForm input{

    flex:1;

    min-width:320px;

    max-width:520px;

    padding:18px 24px;

    border:none;

    border-radius:999px;

    background:rgba(255,255,255,.06);

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

    color:var(--white);

    outline:none;

}

#newsletterForm input::placeholder{

    color:var(--muted);

}

#newsletterForm button{

    padding:18px 36px;

    border-radius:999px;

    background:linear-gradient(
        135deg,
        var(--blue),
        #007BFF
    );

    color:#fff;

    font-weight:700;

    transition:.3s;

}

#newsletterForm button:hover{

    transform:translateY(-3px);

}


/*=============================================================
  15. FOOTER
==============================================================*/

.portal-footer{

    padding:90px 8%;

    display:grid;

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

    gap:60px;

    border-top:1px solid rgba(255,255,255,.05);

    background:#050D18;

}

.portal-footer h3{

    font-size:2rem;

    margin-bottom:20px;

}

.portal-footer p{

    color:var(--muted);

    line-height:1.9;

}

.portal-footer a{

    display:block;

    margin-bottom:18px;

    color:var(--muted);

    transition:.3s;

}

.portal-footer a:hover{

    color:var(--white);

}

.portal-footer div:last-child{

    text-align:right;

}


/*=============================================================
  16. GLOBAL ANIMATIONS
==============================================================*/

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(35px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

@keyframes floatCard{

    0%{

        transform:translateY(0);

    }

    50%{

        transform:translateY(-8px);

    }

    100%{

        transform:translateY(0);

    }

}

.hero-content{

    animation:fadeUp .8s ease;

}

.featured-section,
.categories-section,
.latest-section,
.statistics-section,
.newsletter-section{

    animation:fadeUp .9s ease;

}


/*=============================================================
  17. CUSTOM SCROLLBAR
==============================================================*/

::-webkit-scrollbar{

    width:12px;

}

::-webkit-scrollbar-track{

    background:#08111D;

}

::-webkit-scrollbar-thumb{

    background:#1E3550;

    border-radius:999px;

}

::-webkit-scrollbar-thumb:hover{

    background:var(--blue);

}


/*=============================================================
  18. RESPONSIVE
==============================================================*/

@media (max-width:1200px){

    #featuredReport{

        grid-template-columns:1fr;

    }

    .featured-content{

        padding:45px;

    }

    .hero-stats{

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

    }

}

@media (max-width:992px){

    .portal-nav{

        padding:0 6%;

    }

    .portal-nav ul{

        gap:24px;

    }

    section{

        padding:90px 6%;

    }

    .hero{

        padding:140px 6% 80px;

    }

    .hero h1{

        font-size:3.5rem;

    }

    .reports-grid{

        grid-template-columns:1fr;

    }

    .category-grid{

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

    }

    .statistics-grid{

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

    }

    .portal-footer{

        grid-template-columns:1fr;

        text-align:left;

    }

    .portal-footer div:last-child{

        text-align:left;

    }

}

@media (max-width:768px){

    .portal-nav{

        flex-direction:column;

        height:auto;

        padding:20px;

    }

    .portal-nav ul{

        margin-top:18px;

        flex-wrap:wrap;

        justify-content:center;

    }

    .hero{

        min-height:100dvh;

        text-align:center;

    }

    .hero-buttons{

        justify-content:center;

    }

    .hero-stats{

        grid-template-columns:1fr;

    }

    .category-grid{

        grid-template-columns:1fr;

    }

    .statistics-grid{

        grid-template-columns:1fr;

    }

    #newsletterForm{

        flex-direction:column;

    }

    #newsletterForm input{

        min-width:100%;

    }

    .newsletter-card{

        padding:50px 30px;

    }

}

@media (max-width:576px){

    .hero h1{

        font-size:2.7rem;

    }

    .section-heading h2{

        font-size:2.2rem;

    }

    .featured-content{

        padding:35px;

    }

    .card-content{

        padding:28px;

    }

    .newsletter-card{

        border-radius:22px;

    }

}

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

@media (max-width:1200px){

    .hero-grid{

        grid-template-columns:1fr;

        gap:60px;

    }

    .hero-right{

        order:-1;

    }

    .hero-report{

        max-width:480px;

        margin:0 auto;

    }

    #featuredReport{

        grid-template-columns:1fr;

    }

}


@media (max-width:992px){

    section{

        padding:80px 5%;

    }

    .hero{

        padding:120px 5% 80px;

    }

    .hero h1{

        font-size:clamp(2.8rem,7vw,4rem);

    }

    .hero p{

        font-size:1.05rem;

    }

    .reports-grid{

        grid-template-columns:1fr;

    }

    .category-grid{

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

    }

    .statistics-grid{

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

    }

}


@media (max-width:768px){

    .portal-nav{

        flex-direction:column;

        height:auto;

        padding:18px;

    }

    .portal-nav ul{

        margin-top:18px;

        gap:18px;

        flex-wrap:wrap;

        justify-content:center;

    }

    .hero{

        text-align:center;

    }

    .hero-buttons{

        justify-content:center;

    }

    .hero-search{

        margin-inline:auto;

    }

    .hero-stats{

        grid-template-columns:1fr;

    }

    .category-grid{

        grid-template-columns:1fr;

    }

    .statistics-grid{

        grid-template-columns:1fr;

    }

    .featured-content{

        padding:32px;

    }

    .newsletter-card{

        padding:50px 28px;

    }

    #newsletterForm{

        flex-direction:column;

    }

    #newsletterForm input{

        min-width:100%;

    }

}


@media (max-width:576px){

    .hero{

        padding-top:140px;

    }

    .hero h1{

        font-size:2.4rem;

    }

    .section-heading h2{

        font-size:2rem;

    }

    .card-content{

        padding:24px;

    }

    .hero-report-info{

        position:relative;

        left:auto;

        right:auto;

        bottom:auto;

        margin-top:20px;

    }

}


@media (max-width:420px){

    .hero-buttons{

        flex-direction:column;

    }

    .primary-btn,

    .secondary-btn{

        width:100%;

    }

    .hero-search input{

        font-size:.95rem;

    }

}