:root {

    /* =========================
       RCS COLOR SYSTEM
    ========================== */

    --color-primary: #071B33;
    --color-primary-dark: #04111F;

    --color-gold: #C89B3C;
    --color-terracotta: #A6533D;

    --color-background: #F7F5F0;
    --color-white: #FFFFFF;

    --color-text: #17202A;
    --color-muted: #64748B;

    --color-border: #E5E7EB;


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

    --font-heading: 'Manrope', sans-serif;
    --font-body: 'Inter', sans-serif;


    /* =========================
       SPACING
    ========================== */

    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 5rem;


    /* =========================
       DESIGN
    ========================== */

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --shadow-sm:
        0 4px 12px rgba(7, 27, 51, 0.06);

    --shadow-md:
        0 12px 30px rgba(7, 27, 51, 0.10);

    --transition:
        250ms ease;
}


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

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


html {
    scroll-behavior: smooth;
}


body {

    font-family: var(--font-body);

    background:
        var(--color-background);

    color:
        var(--color-text);

    line-height: 1.6;

    -webkit-font-smoothing: antialiased;
}


img {

    max-width: 100%;

    display: block;
}


button,
a,
input,
textarea,
select {

    font: inherit;
}


a {

    color: inherit;

    text-decoration: none;
}


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

h1,
h2,
h3,
h4,
h5,
h6 {

    font-family:
        var(--font-heading);

    line-height: 1.15;

    color:
        var(--color-primary);

}


h1 {

    font-size:
        clamp(2.5rem, 6vw, 5.5rem);

    font-weight: 800;

}


h2 {

    font-size:
        clamp(2rem, 4vw, 3.5rem);

    font-weight: 750;

}


h3 {

    font-size:
        clamp(1.4rem, 2vw, 2rem);

}


p {

    color:
        var(--color-muted);

}


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

.container {

    width:
        min(1200px, 92%);

    margin-inline:
        auto;

}


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

.btn {

    display:
        inline-flex;

    align-items:
        center;

    justify-content:
        center;

    gap:
        0.5rem;

    padding:
        0.9rem 1.5rem;

    border-radius:
        999px;

    font-weight:
        700;

    cursor:
        pointer;

    transition:
        var(--transition);

    border:
        1px solid transparent;

}


.btn-primary {

    background:
        var(--color-gold);

    color:
        var(--color-primary);

}


.btn-primary:hover {

    transform:
        translateY(-2px);

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

}


.btn-outline {

    border-color:
        rgba(255,255,255,0.4);

    color:
        var(--color-white);

}


.btn-outline:hover {

    background:
        rgba(255,255,255,0.1);

}


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

.section {

    padding:
        var(--space-3xl) 0;

}


.section-header {

    max-width:
        720px;

    margin-bottom:
        var(--space-2xl);

}


.section-label {

    display:
        inline-flex;

    align-items:
        center;

    gap:
        0.5rem;

    margin-bottom:
        var(--space-md);

    color:
        var(--color-gold);

    font-weight:
        800;

    font-size:
        0.8rem;

    letter-spacing:
        0.12em;

    text-transform:
        uppercase;

}


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

.card {

    background:
        var(--color-white);

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

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

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

    transition:
        var(--transition);

}


.card:hover {

    transform:
        translateY(-4px);

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

}

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

.site-header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    z-index: 1000;

    background: rgba(7, 27, 51, 0.15);

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

    backdrop-filter: blur(14px);

    -webkit-backdrop-filter: blur(14px);

    transition:
        background 300ms ease,
        box-shadow 300ms ease,
        border-color 300ms ease;
}


.site-header.scrolled {

    background:
        rgba(4, 17, 31, 0.96);

    border-bottom-color:
        rgba(255, 255, 255, 0.08);

    box-shadow:
        0 8px 30px rgba(0, 0, 0, 0.18);
}


.nav-container {

    min-height:
        82px;

    display:
        flex;

    align-items:
        center;

    justify-content:
        space-between;

    gap:
        2rem;
}


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

.site-logo {

    display:
        inline-flex;

    align-items:
        center;

    gap:
        0.75rem;

    color:
        var(--color-white);

    flex-shrink:
        0;
}


.logo-placeholder {

    width:
        46px;

    height:
        46px;

    display:
        grid;

    place-items:
        center;

    border:
        2px solid var(--color-gold);

    border-radius:
        50%;

    color:
        var(--color-gold);

    font-family:
        var(--font-heading);

    font-size:
        0.9rem;

    font-weight:
        800;

}


.logo-text {

    display:
        flex;

    flex-direction:
        column;

    line-height:
        1;
}


.logo-title {

    font-family:
        var(--font-heading);

    font-size:
        0.72rem;

    font-weight:
        700;

    letter-spacing:
        0.16em;
}


.logo-subtitle {

    margin-top:
        0.3rem;

    font-size:
        0.58rem;

    font-weight:
        600;

    letter-spacing:
        0.1em;

    color:
        rgba(255,255,255,0.7);
}


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

.desktop-nav {

    display:
        flex;

    align-items:
        center;

    gap:
        1.5rem;

    margin-left:
        auto;
}


.nav-link {

    position:
        relative;

    color:
        rgba(255,255,255,0.82);

    font-size:
        0.86rem;

    font-weight:
        600;

    padding:
        0.5rem 0;

    transition:
        color 200ms ease;
}


.nav-link::after {

    content:
        "";

    position:
        absolute;

    left:
        0;

    bottom:
        0;

    width:
        0;

    height:
        2px;

    background:
        var(--color-gold);

    transition:
        width 200ms ease;
}


.nav-link:hover,
.nav-link.active {

    color:
        var(--color-white);
}


.nav-link:hover::after,
.nav-link.active::after {

    width:
        100%;
}


.nav-register {

    white-space:
        nowrap;

    padding:
        0.75rem 1.2rem;

    font-size:
        0.8rem;
}


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

.mobile-menu-toggle {

    display:
        none;

    width:
        44px;

    height:
        44px;

    border:
        1px solid rgba(255,255,255,0.2);

    border-radius:
        50%;

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

    cursor:
        pointer;

    align-items:
        center;

    justify-content:
        center;

    flex-direction:
        column;

    gap:
        5px;
}


.mobile-menu-toggle span {

    width:
        18px;

    height:
        2px;

    background:
        var(--color-white);

    border-radius:
        10px;

    transition:
        transform 250ms ease,
        opacity 250ms ease;
}


.mobile-menu-toggle.open span:nth-child(1) {

    transform:
        translateY(7px)
        rotate(45deg);
}


.mobile-menu-toggle.open span:nth-child(2) {

    opacity:
        0;
}


.mobile-menu-toggle.open span:nth-child(3) {

    transform:
        translateY(-7px)
        rotate(-45deg);
}


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

.mobile-menu {

    display:
        none;

    background:
        rgba(4,17,31,0.98);

    border-top:
        1px solid rgba(255,255,255,0.08);

    max-height:
        0;

    overflow:
        hidden;

    transition:
        max-height 350ms ease;
}


.mobile-menu.open {

    max-height:
        600px;
}


.mobile-menu-inner {

    display:
        flex;

    flex-direction:
        column;

    padding:
        1rem 4% 1.5rem;
}


.mobile-nav-link {

    padding:
        1rem 0;

    border-bottom:
        1px solid rgba(255,255,255,0.08);

    color:
        rgba(255,255,255,0.85);

    font-weight:
        600;
}


.mobile-nav-link:hover {

    color:
        var(--color-gold);
}


.mobile-register {

    margin-top:
        1rem;

    width:
        100%;
}


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

@media (max-width: 1100px) {

    .desktop-nav {

        gap:
            1rem;

    }

    .nav-link {

        font-size:
            0.78rem;

    }

}


@media (max-width: 900px) {

    .desktop-nav,
    .nav-register {

        display:
            none;

    }

    .mobile-menu-toggle {

        display:
            flex;

    }

    .nav-container {

        min-height:
            72px;

    }

}


@media (max-width: 480px) {

    .logo-text {

        display:
            none;

    }

    .logo-placeholder {

        width:
            42px;

        height:
            42px;

    }

}

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

.hero {

    position: relative;

    min-height: 100vh;
    min-height: 100svh;

    display: flex;

    align-items: center;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 78% 45%,
            rgba(200, 155, 60, 0.12),
            transparent 28%
        ),
        radial-gradient(
            circle at 20% 80%,
            rgba(166, 83, 61, 0.10),
            transparent 30%
        ),
        var(--color-primary-dark);

    color: var(--color-white);
}


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

.hero-grid {

    position: absolute;

    inset: 0;

    background-image:
        linear-gradient(
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255,255,255,0.035) 1px,
            transparent 1px
        );

    background-size:
        70px 70px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent 90%
        );

    pointer-events: none;
}


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

.hero-glow {

    position: absolute;

    width: 520px;
    height: 520px;

    right: -140px;
    top: 50%;

    transform:
        translateY(-50%);

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(200,155,60,0.12),
            transparent 65%
        );

    filter:
        blur(20px);

    pointer-events: none;
}


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

.hero-container {

    position: relative;

    z-index: 2;

    width: 100%;

    display: grid;

    grid-template-columns:
        minmax(0, 1.05fr)
        minmax(380px, 0.95fr);

    align-items: center;

    gap: 4rem;

    padding-top: 110px;
    padding-bottom: 70px;
}


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

.hero-content {

    max-width:
        760px;

}


.hero-eyebrow {

    display:
        inline-flex;

    align-items:
        center;

    gap:
        0.75rem;

    margin-bottom:
        1.5rem;

    color:
        var(--color-gold);

    font-size:
        0.8rem;

    font-weight:
        800;

    letter-spacing:
        0.16em;

    text-transform:
        uppercase;
}


.hero-eyebrow::before {

    content:
        "";

    width:
        36px;

    height:
        2px;

    background:
        var(--color-gold);

}


.hero-title {

    color:
        var(--color-white);

    font-size:
        clamp(3.2rem, 6vw, 6.5rem);

    font-weight:
        800;

    letter-spacing:
        -0.045em;

}


.hero-title span {

    display:
        block;

    color:
        var(--color-gold);

}


.hero-tagline {

    margin-top:
        1.75rem;

    max-width:
        620px;

    color:
        rgba(255,255,255,0.72);

    font-size:
        clamp(1.05rem, 1.6vw, 1.35rem);

    line-height:
        1.7;

}


.hero-meta {

    display:
        flex;

    flex-wrap:
        wrap;

    gap:
        0.8rem;

    margin-top:
        2rem;

}


.hero-meta-item {

    display:
        inline-flex;

    align-items:
        center;

    gap:
        0.5rem;

    padding:
        0.7rem 1rem;

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

    border-radius:
        999px;

    background:
        rgba(255,255,255,0.04);

    color:
        rgba(255,255,255,0.88);

    font-size:
        0.85rem;

    backdrop-filter:
        blur(10px);

}


.hero-actions {

    display:
        flex;

    flex-wrap:
        wrap;

    gap:
        1rem;

    margin-top:
        2.25rem;

}


.hero-actions .btn-primary {

    padding:
        1rem 1.7rem;

}


.hero-actions .btn-outline {

    border-color:
        rgba(255,255,255,0.25);

    padding:
        1rem 1.7rem;

}




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

.hero-visual {

    position:
        relative;

    min-height:
        500px;

    display:
        flex;

    align-items:
        center;

    justify-content:
        center;

}


.hero-orbit {

    position:
        absolute;

    width:
        min(520px, 90vw);

    aspect-ratio:
        1;

    border:
        1px solid rgba(200,155,60,0.22);

    border-radius:
        50%;

    animation:
        orbitPulse 6s ease-in-out infinite;

}


.hero-orbit::before,
.hero-orbit::after {

    content:
        "";

    position:
        absolute;

    inset:
        10%;

    border:
        1px solid rgba(255,255,255,0.07);

    border-radius:
        50%;

}


.hero-orbit::after {

    inset:
        22%;

    border-color:
        rgba(200,155,60,0.12);

}


.hero-heart {

    position:
        relative;

    z-index:
        2;

    width:
        230px;

    height:
        230px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        50%;

    background:
        radial-gradient(
            circle,
            rgba(200,155,60,0.16),
            rgba(200,155,60,0.03) 60%,
            transparent 70%
        );

    box-shadow:
        0 0 80px rgba(200,155,60,0.12);

}


.hero-heart-icon {

    font-size:
        7rem;

    color:
        var(--color-gold);

    filter:
        drop-shadow(
            0 0 24px
            rgba(200,155,60,0.35)
        );

    animation:
        heartFloat 4s ease-in-out infinite;

}


.hero-pulse {

    position:
        absolute;

    width:
        8px;

    height:
        8px;

    border-radius:
        50%;

    background:
        var(--color-gold);

    box-shadow:
        0 0 20px var(--color-gold);

}


.hero-pulse-1 {

    top:
        15%;

    right:
        20%;

    animation:
        pulseOrbit 8s linear infinite;

}


.hero-pulse-2 {

    bottom:
        18%;

    left:
        15%;

    animation:
        pulseOrbit 11s linear infinite reverse;

}


.hero-pulse-3 {

    top:
        42%;

    left:
        5%;

    animation:
        pulseOrbit 14s linear infinite;

}


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

.hero-conference-image {

    position:
        relative;

    z-index:
        2;

    width:
        min(460px, 82%);

    aspect-ratio:
        4 / 4.5;

    display:
        flex;

    align-items:
        center;

    justify-content:
        center;

    overflow:
        hidden;

    border:
        1px solid rgba(200,155,60,0.28);

    border-radius:
        28px;

    background:
        rgba(255,255,255,0.04);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.28),
        0 0 70px rgba(200,155,60,0.10);

    backdrop-filter:
        blur(8px);

    -webkit-backdrop-filter:
        blur(8px);

    animation:
        heroImageFloat 5s ease-in-out infinite;

}


.hero-conference-image::before {

    content:
        "";

    position:
        absolute;

    inset:
        0;

    z-index:
        1;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.08),
            transparent 35%,
            rgba(4,17,31,0.18)
        );

    pointer-events:
        none;

}


.hero-conference-image img {

    position:
        relative;

    z-index:
        0;

    width:
        100%;

    height:
        100%;

    object-fit:
        cover;

}


@keyframes heroImageFloat {

    0%,
    100% {

        transform:
            translateY(0);

    }

    50% {

        transform:
            translateY(-8px);

    }

}


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

@media (max-width: 900px) {

    .hero-conference-image {

        width:
            min(360px, 82vw);

        aspect-ratio:
            4 / 4.5;

    }

}


@media (max-width: 600px) {

    .hero-conference-image {

        width:
            min(290px, 78vw);

        border-radius:
            22px;

    }

}

/* =========================================================
   ECG
========================================================= */

.hero-ecg {

    position:
        absolute;

    left:
        50%;

    bottom:
        18%;

    width:
        100%;

    max-width:
        520px;

    transform:
        translateX(-50%);

    opacity:
        0.45;

}


.hero-ecg-line {

    fill:
        none;

    stroke:
        var(--color-gold);

    stroke-width:
        2;

    stroke-linecap:
        round;

    stroke-linejoin:
        round;

    stroke-dasharray:
        1000;

    stroke-dashoffset:
        1000;

    animation:
        ecgDraw 4s linear infinite;

}


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

@keyframes heartFloat {

    0%,
    100% {

        transform:
            translateY(0)
            scale(1);

    }

    50% {

        transform:
            translateY(-10px)
            scale(1.04);

    }

}


@keyframes orbitPulse {

    0%,
    100% {

        transform:
            scale(1);

        opacity:
            0.7;

    }

    50% {

        transform:
            scale(1.04);

        opacity:
            1;

    }

}


@keyframes pulseOrbit {

    from {

        transform:
            rotate(0deg)
            translateX(220px)
            rotate(0deg);

    }

    to {

        transform:
            rotate(360deg)
            translateX(220px)
            rotate(-360deg);

    }

}


@keyframes ecgDraw {

    0% {

        stroke-dashoffset:
            1000;

    }

    70% {

        stroke-dashoffset:
            0;

    }

    100% {

        stroke-dashoffset:
            -1000;

    }

}


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

@media (max-width: 900px) {

    .hero-container {

        grid-template-columns:
            1fr;

        gap:
            2rem;

        padding-top:
            120px;

    }


    .hero-content {

        text-align:
            center;

        margin-inline:
            auto;

    }


    .hero-eyebrow {

        justify-content:
            center;

    }


    .hero-tagline {

        margin-inline:
            auto;

    }


    .hero-meta,
    .hero-actions {

        justify-content:
            center;

    }


    .hero-visual {

        min-height:
            360px;

    }


    .hero-orbit {

        width:
            350px;

    }


    .hero-heart {

        width:
            170px;

        height:
            170px;

    }


    .hero-heart-icon {

        font-size:
            5rem;

    }

}


@media (max-width: 600px) {

    .hero-container {

        padding-top:
            105px;

        padding-bottom:
            40px;

    }


    .hero-title {

        font-size:
            clamp(2.8rem, 14vw, 4.5rem);

    }


    .hero-tagline {

        font-size:
            1rem;

    }


    .hero-meta-item {

        width:
            100%;

        justify-content:
            center;

    }


    .hero-actions {

        flex-direction:
            column;

    }


    .hero-actions .btn {

        width:
            100%;

    }


    .hero-visual {

        min-height:
            290px;

    }


    .hero-orbit {

        width:
            280px;

    }


    .hero-heart {

        width:
            130px;

        height:
            130px;

    }


    .hero-heart-icon {

        font-size:
            4rem;

    }

}


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

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

    *,
    *::before,
    *::after {

        animation-duration:
            0.01ms !important;

        animation-iteration-count:
            1 !important;

        scroll-behavior:
            auto !important;

    }

}

/* =========================================================
   CONFERENCE STATUS
========================================================= */

.conference-status {

    position: relative;

    z-index: 5;

    margin-top: -55px;

    padding-bottom: 2rem;

}


.status-card {

    position: relative;

    display: grid;

    grid-template-columns: 1.2fr auto;

    align-items: center;

    gap: 3rem;

    padding: 2rem 2.5rem;

    border: 1px solid rgba(255,255,255,0.08);

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

    background:
        linear-gradient(
            135deg,
            #0B2747,
            #071B33
        );

    box-shadow:
        0 20px 60px rgba(4,17,31,0.22);

    overflow: hidden;

}


.status-card::after {

    content: "";

    position: absolute;

    width: 260px;

    height: 260px;

    right: -100px;

    top: -120px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(200,155,60,0.18),
            transparent 65%
        );

    pointer-events: none;

}


.status-content {

    position: relative;

    z-index: 2;

}


.status-label {

    display: block;

    margin-bottom: 0.45rem;

    color: var(--color-gold);

    font-size: 0.72rem;

    font-weight: 800;

    letter-spacing: 0.14em;

    text-transform: uppercase;

}


.status-content h2 {

    color: var(--color-white);

    font-size:
        clamp(1.5rem, 3vw, 2.2rem);

}


.status-content p {

    max-width: 600px;

    margin-top: 0.55rem;

    color: rgba(255,255,255,0.62);

    font-size: 0.92rem;

}


/* =========================================================
   COUNTDOWN
========================================================= */

.countdown {

    position: relative;

    z-index: 2;

    display: flex;

    align-items: center;

    gap: 0.65rem;

}


.countdown-item {

    min-width: 72px;

    text-align: center;

}


.countdown-item strong {

    display: block;

    color: var(--color-white);

    font-family: var(--font-heading);

    font-size: 2rem;

    font-weight: 800;

    line-height: 1;

    font-variant-numeric: tabular-nums;

}


.countdown-item span {

    display: block;

    margin-top: 0.45rem;

    color: rgba(255,255,255,0.45);

    font-size: 0.65rem;

    font-weight: 700;

    letter-spacing: 0.08em;

    text-transform: uppercase;

}


.countdown-separator {

    margin-top: -1.15rem;

    color: rgba(200,155,60,0.65);

    font-size: 1.4rem;

}


/* =========================================================
   CONFERENCE ENDED
========================================================= */

.conference-ended {

    position: relative;

    z-index: 2;

    display: flex;

    align-items: center;

    gap: 0.9rem;

    min-width: 290px;

}


.conference-ended[hidden] {

    display: none;

}


.ended-icon {

    display: grid;

    place-items: center;

    width: 42px;

    height: 42px;

    border-radius: 50%;

    background: rgba(200,155,60,0.12);

    border: 1px solid rgba(200,155,60,0.3);

    color: var(--color-gold);

    font-weight: 800;

}


.conference-ended strong {

    display: block;

    color: var(--color-white);

    font-size: 0.9rem;

}


.conference-ended span:last-child {

    display: block;

    margin-top: 0.25rem;

    color: rgba(255,255,255,0.5);

    font-size: 0.75rem;

}


/* =========================================================
   RESPONSIVE STATUS
========================================================= */

@media (max-width: 900px) {

    .status-card {

        grid-template-columns: 1fr;

        gap: 1.5rem;

        padding: 1.75rem;

    }


    .countdown {

        justify-content: flex-start;

    }


    .conference-ended {

        min-width: 0;

    }

}


@media (max-width: 520px) {

    .conference-status {

        margin-top: -30px;

    }


    .status-card {

        padding: 1.4rem;

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

    }


    .countdown {

        width: 100%;

        justify-content: space-between;

        gap: 0.25rem;

    }


    .countdown-item {

        min-width: 0;

        flex: 1;

    }


    .countdown-item strong {

        font-size: 1.45rem;

    }


    .countdown-separator {

        font-size: 1rem;

    }

}


/* =========================================================
   WHY RCS
========================================================= */

.why-rcs {

    background:
        var(--color-background);

}


.why-grid {

    display:
        grid;

    grid-template-columns:
        repeat(5, 1fr);

    gap:
        1rem;

}


.why-card {

    position:
        relative;

    min-height:
        300px;

    padding:
        1.75rem;

    background:
        var(--color-white);

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

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

    overflow:
        hidden;

    transition:
        transform 300ms ease,
        box-shadow 300ms ease,
        border-color 300ms ease;

}


.why-card::before {

    content:
        "";

    position:
        absolute;

    left:
        0;

    bottom:
        0;

    width:
        100%;

    height:
        3px;

    background:
        linear-gradient(
            90deg,
            var(--color-gold),
            var(--color-terracotta)
        );

    transform:
        scaleX(0);

    transform-origin:
        left;

    transition:
        transform 300ms ease;

}


.why-card:hover {

    transform:
        translateY(-8px);

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

    border-color:
        rgba(200,155,60,0.35);

}


.why-card:hover::before {

    transform:
        scaleX(1);

}


.why-number {

    position:
        absolute;

    top:
        1.25rem;

    right:
        1.25rem;

    color:
        rgba(7,27,51,0.12);

    font-family:
        var(--font-heading);

    font-size:
        1.8rem;

    font-weight:
        800;

}


.why-icon {

    display:
        grid;

    place-items:
        center;

    width:
        48px;

    height:
        48px;

    margin-bottom:
        2.5rem;

    border-radius:
        12px;

    background:
        rgba(200,155,60,0.10);

    color:
        var(--color-gold);

    font-size:
        1.5rem;

    font-weight:
        700;

}


.why-card h3 {

    margin-bottom:
        0.7rem;

    color:
        var(--color-primary);

}


.why-card p {

    font-size:
        0.9rem;

    line-height:
        1.65;

}


@media (max-width: 1100px) {

    .why-grid {

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

    }

}


@media (max-width: 700px) {

    .why-grid {

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

    }

}


@media (max-width: 500px) {

    .why-grid {

        grid-template-columns:
            1fr;

    }


    .why-card {

        min-height:
            auto;

    }

}

/* =========================================================
   SCIENTIFIC HIGHLIGHTS
========================================================= */

.scientific-highlights {

    background:
        var(--color-white);

}


.highlight-grid {

    display:
        grid;

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

    gap:
        1rem;

}


.highlight-card {

    position:
        relative;

    min-height:
        330px;

    display:
        flex;

    flex-direction:
        column;

    justify-content:
        flex-end;

    padding:
        2rem;

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

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

    background:
        var(--color-background);

    overflow:
        hidden;

    transition:
        transform 300ms ease,
        box-shadow 300ms ease;

}


.highlight-card::before {

    content:
        "";

    position:
        absolute;

    width:
        240px;

    height:
        240px;

    top:
        -120px;

    right:
        -80px;

    border-radius:
        50%;

    background:
        radial-gradient(
            circle,
            rgba(200,155,60,0.15),
            transparent 65%
        );

    transition:
        transform 500ms ease;

}


.highlight-card:hover {

    transform:
        translateY(-6px);

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

}


.highlight-card:hover::before {

    transform:
        scale(1.25);

}


.highlight-large {

    grid-row:
        span 2;

    min-height:
        676px;

}


.highlight-dark {

    background:
        var(--color-primary);

    border-color:
        var(--color-primary);

}


.highlight-dark .highlight-content span {

    color:
        var(--color-gold);

}


.highlight-dark .highlight-content h3 {

    color:
        var(--color-white);

}


.highlight-dark .highlight-content p {

    color:
        rgba(255,255,255,0.62);

}


.highlight-dark .highlight-number {

    color:
        rgba(255,255,255,0.12);

}


.highlight-content {

    position:
        relative;

    z-index:
        2;

    max-width:
        600px;

}


.highlight-content > span {

    display:
        block;

    margin-bottom:
        0.75rem;

    color:
        var(--color-terracotta);

    font-size:
        0.7rem;

    font-weight:
        800;

    letter-spacing:
        0.12em;

}


.highlight-content h3 {

    max-width:
        500px;

    font-size:
        clamp(1.5rem, 2.5vw, 2.4rem);

}


.highlight-content p {

    max-width:
        580px;

    margin-top:
        0.85rem;

    font-size:
        0.92rem;

}


.highlight-link {

    display:
        inline-flex;

    margin-top:
        1.5rem;

    color:
        var(--color-primary);

    font-size:
        0.82rem;

    font-weight:
        800;

}


.highlight-dark .highlight-link {

    color:
        var(--color-gold);

}


.highlight-number {

    position:
        absolute;

    top:
        1.5rem;

    right:
        1.75rem;

    color:
        rgba(7,27,51,0.09);

    font-family:
        var(--font-heading);

    font-size:
        4rem;

    font-weight:
        800;

    line-height:
        1;

}


.highlight-large .highlight-number {

    font-size:
        7rem;

}


@media (max-width: 800px) {

    .highlight-grid {

        grid-template-columns:
            1fr;

    }


    .highlight-large {

        grid-row:
            auto;

        min-height:
            400px;

    }


    .highlight-large .highlight-number {

        font-size:
            5rem;

    }

}


@media (max-width: 500px) {

    .highlight-card {

        min-height:
            300px;

        padding:
            1.5rem;

    }


    .highlight-large {

        min-height:
            350px;

    }

}

/* =========================================================
   FACULTY SECTION
========================================================= */

.faculty-section {

    background:
        var(--color-background);

}


.section-heading-row {

    display:
        flex;

    align-items:
        flex-end;

    justify-content:
        space-between;

    gap:
        2rem;

}


.section-heading-row .section-header {

    margin-bottom:
        0;

}


.text-link {

    display:
        inline-flex;

    align-items:
        center;

    gap:
        0.6rem;

    flex-shrink:
        0;

    margin-bottom:
        2.7rem;

    color:
        var(--color-primary);

    font-size:
        0.85rem;

    font-weight:
        800;

}


.text-link span {

    color:
        var(--color-gold);

    font-size:
        1.1rem;

    transition:
        transform 200ms ease;

}


.text-link:hover span {

    transform:
        translateX(5px);

}


/* =========================================================
   FACULTY GRID
========================================================= */

.faculty-grid {

    display:
        grid;

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

    gap:
        1.2rem;

    margin-top:
        0.5rem;

}


.faculty-card {

    position:
        relative;

    overflow:
        hidden;

    background:
        var(--color-white);

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

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

    transition:
        transform 300ms ease,
        box-shadow 300ms ease;

}


.faculty-card:hover {

    transform:
        translateY(-7px);

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

}


.faculty-image {

    position:
        relative;

    aspect-ratio:
        4 / 4.5;

    overflow:
        hidden;

    background:
        linear-gradient(
            145deg,
            #E8E5DD,
            #D9D5CB
        );

}


.faculty-image img {

    width:
        100%;

    height:
        100%;

    object-fit:
        cover;

    transition:
        transform 500ms ease;

}


.faculty-card:hover .faculty-image img {

    transform:
        scale(1.04);

}


.faculty-placeholder {

    width:
        100%;

    height:
        100%;

    display:
        grid;

    place-items:
        center;

}


.faculty-placeholder span {

    display:
        grid;

    place-items:
        center;

    width:
        100px;

    height:
        100px;

    border:
        2px solid rgba(200,155,60,0.5);

    border-radius:
        50%;

    color:
        var(--color-gold);

    font-family:
        var(--font-heading);

    font-size:
        3rem;

    font-weight:
        800;

}


.faculty-type {

    position:
        absolute;

    top:
        1rem;

    left:
        1rem;

    padding:
        0.45rem 0.7rem;

    border:
        1px solid rgba(255,255,255,0.25);

    border-radius:
        999px;

    background:
        rgba(4,17,31,0.72);

    color:
        var(--color-white);

    font-size:
        0.62rem;

    font-weight:
        700;

    letter-spacing:
        0.06em;

    text-transform:
        uppercase;

    backdrop-filter:
        blur(8px);

}


.faculty-info {

    padding:
        1.35rem;

}


.faculty-info h3 {

    font-size:
        1.25rem;

}


.faculty-designation {

    margin-top:
        0.45rem;

    color:
        var(--color-primary);

    font-size:
        0.82rem;

    font-weight:
        600;

}


.faculty-institution {

    margin-top:
        0.2rem;

    font-size:
        0.78rem;

}


.faculty-specialty {

    display:
        inline-flex;

    margin-top:
        1rem;

    padding:
        0.4rem 0.65rem;

    border-radius:
        6px;

    background:
        rgba(200,155,60,0.09);

    color:
        var(--color-terracotta);

    font-size:
        0.68rem;

    font-weight:
        700;

}


/* =========================================================
   EMPTY STATE
========================================================= */

.content-empty-state {

    display:
        flex;

    flex-direction:
        column;

    align-items:
        center;

    justify-content:
        center;

    min-height:
        240px;

    margin-top:
        1rem;

    padding:
        2rem;

    text-align:
        center;

    border:
        1px dashed #D5D9DF;

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

    background:
        rgba(255,255,255,0.55);

}


.empty-state-icon {

    display:
        grid;

    place-items:
        center;

    width:
        46px;

    height:
        46px;

    margin-bottom:
        0.9rem;

    border-radius:
        50%;

    background:
        rgba(200,155,60,0.10);

    color:
        var(--color-gold);

    font-size:
        1.5rem;

    font-weight:
        700;

}


.content-empty-state h3 {

    font-size:
        1.2rem;

}


.content-empty-state p {

    max-width:
        480px;

    margin-top:
        0.45rem;

    font-size:
        0.85rem;

}


@media (max-width: 800px) {

    .section-heading-row {

        align-items:
            flex-start;

        flex-direction:
            column;

    }


    .text-link {

        margin-bottom:
            1rem;

    }


    .faculty-grid {

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

    }

}


@media (max-width: 520px) {

    .faculty-grid {

        grid-template-columns:
            1fr;

    }

}

/* =========================================================
   PROGRAMME PREVIEW
========================================================= */

.programme-preview {

    background:
        var(--color-primary);

}


.programme-preview .section-header h2 {

    color:
        var(--color-white);

}


.programme-preview .section-header p {

    color:
        rgba(255,255,255,0.58);

}


.programme-preview .text-link {

    color:
        var(--color-white);

}


/* =========================================================
   PROGRAMME LIST
========================================================= */

.programme-list {

    display:
        flex;

    flex-direction:
        column;

    gap:
        0.75rem;

}


.programme-card {

    position:
        relative;

    display:
        grid;

    grid-template-columns:
        90px
        75px
        1fr
        auto
        24px;

    align-items:
        center;

    gap:
        1.5rem;

    padding:
        1.2rem 1.4rem;

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

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

    background:
        rgba(255,255,255,0.045);

    transition:
        background 250ms ease,
        transform 250ms ease,
        border-color 250ms ease;

}


.programme-card:hover {

    transform:
        translateX(5px);

    background:
        rgba(255,255,255,0.075);

    border-color:
        rgba(200,155,60,0.25);

}


.programme-time strong {

    display:
        block;

    color:
        var(--color-white);

    font-family:
        var(--font-heading);

    font-size:
        1rem;

}


.programme-time span {

    display:
        block;

    margin-top:
        0.2rem;

    color:
        rgba(255,255,255,0.4);

    font-size:
        0.68rem;

}


.programme-day {

    color:
        var(--color-gold);

    font-size:
        0.65rem;

    font-weight:
        800;

    letter-spacing:
        0.08em;

}


.programme-content h3 {

    color:
        var(--color-white);

    font-size:
        1.05rem;

}


.programme-content p {

    margin-top:
        0.2rem;

    color:
        rgba(255,255,255,0.45);

    font-size:
        0.78rem;

}


.programme-type {

    display:
        inline-block;

    margin-bottom:
        0.35rem;

    color:
        var(--color-gold);

    font-size:
        0.62rem;

    font-weight:
        800;

    letter-spacing:
        0.08em;

    text-transform:
        uppercase;

}


.programme-hall {

    padding:
        0.45rem 0.65rem;

    border:
        1px solid rgba(255,255,255,0.1);

    border-radius:
        6px;

    color:
        rgba(255,255,255,0.6);

    font-size:
        0.65rem;

}


.programme-arrow {

    color:
        var(--color-gold);

    font-size:
        1.2rem;

}


/* =========================================================
   EMPTY PROGRAMME
========================================================= */

.programme-empty {

    padding:
        4rem 2rem;

    border:
        1px solid rgba(255,255,255,0.08);

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

    background:
        linear-gradient(
            135deg,
            rgba(255,255,255,0.055),
            rgba(255,255,255,0.025)
        );

}


.programme-empty-content {

    max-width:
        650px;

}


.programme-empty-label {

    color:
        var(--color-gold);

    font-size:
        0.7rem;

    font-weight:
        800;

    letter-spacing:
        0.12em;

}


.programme-empty h3 {

    margin-top:
        0.7rem;

    color:
        var(--color-white);

    font-size:
        clamp(1.6rem, 3vw, 2.4rem);

}


.programme-empty p {

    max-width:
        580px;

    margin-top:
        0.8rem;

    color:
        rgba(255,255,255,0.55);

}


.programme-empty .btn {

    margin-top:
        1.5rem;

}


@media (max-width: 800px) {

    .programme-card {

        grid-template-columns:
            70px
            1fr
            24px;

        gap:
            1rem;

    }


    .programme-day,
    .programme-hall {

        display:
            none;

    }

}


@media (max-width: 500px) {

    .programme-card {

        grid-template-columns:
            60px
            1fr
            20px;

        padding:
            1rem;

    }


    .programme-content h3 {

        font-size:
            0.95rem;

    }

}