:root {
    --bg: #050505;
    --bg-soft: #0a0a0a;

    --surface: #101010;
    --surface-2: #151515;
    --surface-3: #1c1c1c;

    --gold: #c9a45d;
    --gold-light: #e4c27a;
    --gold-bright: #f0d38a;
    --gold-dark: #8e6c32;

    --text: #f5f2eb;
    --text-soft: #aaa59b;
    --text-muted: #68645d;

    --border: rgba(201, 164, 93, 0.18);
    --border-light: rgba(201, 164, 93, 0.30);

    --gold-glow: rgba(201, 164, 93, 0.15);

    --radius: 24px;
    --container: 1240px;
}


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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

body[dir="rtl"],
html[dir="rtl"] body {
    font-family: "Cairo", "Inter", sans-serif;
}

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

button,
input,
select {
    font: inherit;
}


/* =========================================================
   BACKGROUND
========================================================= */

body::before {
    content: "";

    position: fixed;
    inset: 0;

    pointer-events: none;

    background-image:
        linear-gradient(
            rgba(201, 164, 93, 0.018) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(201, 164, 93, 0.018) 1px,
            transparent 1px
        );

    background-size: 70px 70px;

    mask-image:
        linear-gradient(
            to bottom,
            black,
            transparent 85%
        );

    z-index: -3;
}


/* Golden atmospheric glow */

.background-glow {
    position: fixed;

    width: 600px;
    height: 600px;

    border-radius: 50%;

    filter: blur(150px);

    pointer-events: none;

    z-index: -2;
}

.glow-one {
    background: rgba(201, 164, 93, 0.09);

    top: -320px;
    left: -230px;
}

.glow-two {
    background: rgba(201, 164, 93, 0.055);

    right: -280px;
    top: 480px;
}


/* =========================================================
   NAVBAR
========================================================= */

.navbar {
    position: fixed;

    top: 0;
    width: 100%;

    z-index: 1000;

    border-bottom:
        1px solid rgba(201, 164, 93, 0.10);

    background:
        rgba(5, 5, 5, 0.78);

    backdrop-filter: blur(22px);
}

.nav-container {
    width: min(
        var(--container),
        calc(100% - 40px)
    );

    height: 82px;

    margin: auto;

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


/* Logo */

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

    gap: 10px;

    font-size: 20px;
    font-weight: 800;

    letter-spacing: -0.5px;
}

.logo > span:last-child > span {
    color: var(--gold-light);
}

.logo-icon {
    width: 35px;
    height: 35px;

    display: grid;
    place-items: center;

    border-radius: 10px;

    background:
        linear-gradient(
            135deg,
            var(--gold-light),
            var(--gold-dark)
        );

    color: #080808;

    box-shadow:
        0 0 25px rgba(201,164,93,0.22);
}


/* Navigation */

nav {
    display: flex;

    gap: 38px;
}

nav a {
    position: relative;

    color: var(--text-soft);

    font-size: 14px;

    transition: 0.3s ease;
}

nav a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -8px;

    width: 0;
    height: 1px;

    background: var(--gold);

    transition: 0.3s ease;
}

nav a:hover {
    color: var(--gold-light);
}

nav a:hover::after {
    width: 100%;
}


/* =========================================================
   LANGUAGE SWITCHER
========================================================= */

.language-switcher {
    position: absolute;

    left: 18px;
    top: 50%;

    transform: translateY(-50%);

    display: flex;
    align-items: center;

    gap: 3px;

    padding: 4px;

    border:
        1px solid rgba(201,164,93,0.20);

    border-radius: 12px;

    background:
        rgba(201,164,93,0.045);

    backdrop-filter: blur(15px);

    z-index: 20;
}

.lang-btn {
    border: 0;

    padding: 6px 10px;

    border-radius: 8px;

    background: transparent;

    color: var(--text-muted);

    cursor: pointer;

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

    transition: 0.3s ease;
}

.lang-btn:hover {
    color: var(--gold-light);
}

.lang-btn.active {
    background:
        linear-gradient(
            135deg,
            rgba(201,164,93,0.22),
            rgba(201,164,93,0.08)
        );

    color: var(--gold-light);

    box-shadow:
        0 0 15px rgba(201,164,93,0.08);
}


/* Navigation Button */

.nav-button {
    padding: 11px 18px;

    border:
        1px solid rgba(201,164,93,0.30);

    border-radius: 12px;

    background:
        rgba(201,164,93,0.06);

    color: var(--gold-light);

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

    transition: 0.3s ease;
}

.nav-button:hover {
    background:
        rgba(201,164,93,0.13);

    border-color:
        rgba(201,164,93,0.50);

    transform: translateY(-2px);

    box-shadow:
        0 10px 30px rgba(201,164,93,0.08);
}


/* =========================================================
   RTL NAVBAR
========================================================= */

html[dir="rtl"] .language-switcher {
    left: auto;
    right: 18px;
}

html[dir="rtl"] .logo {
    letter-spacing: 0;
}

html[dir="rtl"] nav a::after {
    left: auto;
    right: 0;
}


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

.hero {
    width: min(
        var(--container),
        calc(100% - 40px)
    );

    min-height: 100vh;

    margin: auto;

    padding-top: 150px;
    padding-bottom: 100px;

    display: grid;

    grid-template-columns:
        1.05fr 0.95fr;

    align-items: center;

    gap: 70px;
}


/* Status */

.status-badge {
    display: inline-flex;

    align-items: center;

    gap: 9px;

    padding: 7px 12px;

    border:
        1px solid rgba(201,164,93,0.25);

    border-radius: 100px;

    background:
        rgba(201,164,93,0.055);

    color: var(--gold-light);

    font-size: 12px;
    font-weight: 600;

    letter-spacing: 0.3px;

    margin-bottom: 26px;
}

.status-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: var(--gold-light);

    box-shadow:
        0 0 12px rgba(201,164,93,0.75);
}


/* Hero Heading */

.hero h1 {
    max-width: 720px;

    font-size:
        clamp(50px, 6vw, 84px);

    line-height: 0.98;

    letter-spacing: -4px;

    font-weight: 800;
}

.hero h1 span {
    display: block;

    background:
        linear-gradient(
            90deg,
            var(--gold-light),
            var(--gold),
            #fff0bd
        );

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;
}


/* Hero Paragraph */

.hero-content > p {
    max-width: 620px;

    margin-top: 30px;

    color: var(--text-soft);

    font-size: 17px;

    line-height: 1.8;
}


/* Hero Buttons */

.hero-buttons {
    display: flex;

    gap: 14px;

    margin-top: 35px;
}

.primary-button,
.secondary-button {
    display: inline-flex;

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

    gap: 12px;

    padding: 14px 22px;

    border-radius: 13px;

    font-size: 14px;
    font-weight: 700;

    transition: 0.3s ease;
}


/* Gold button */

.primary-button {
    background:
        linear-gradient(
            135deg,
            var(--gold-light),
            var(--gold-dark)
        );

    color: #090909;

    box-shadow:
        0 15px 35px
        rgba(201,164,93,0.16);
}

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

    box-shadow:
        0 20px 45px
        rgba(201,164,93,0.26);
}


/* Secondary */

.secondary-button {
    border:
        1px solid var(--border);

    background:
        rgba(255,255,255,0.025);

    color: var(--text-soft);
}

.secondary-button:hover {
    color: var(--gold-light);

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

    background:
        rgba(201,164,93,0.04);
}


/* Hero Stats */

.hero-stats {
    display: flex;

    gap: 45px;

    margin-top: 65px;
}

.hero-stats div {
    display: flex;

    flex-direction: column;
}

.hero-stats strong {
    font-size: 24px;

    letter-spacing: -1px;

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

.hero-stats span {
    margin-top: 3px;

    color: var(--text-muted);

    font-size: 12px;
}


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

.hero-visual {
    position: relative;

    min-height: 540px;

    display: grid;

    place-items: center;
}


/* Golden Orb */

.orb {
    position: absolute;

    width: 390px;
    height: 390px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(201,164,93,0.18),
            transparent 68%
        );

    filter: blur(2px);

    animation:
        orbPulse 5s ease-in-out infinite;
}

@keyframes orbPulse {

    0%,
    100% {
        transform: scale(0.95);

        opacity: 0.65;
    }

    50% {
        transform: scale(1.08);

        opacity: 1;
    }
}


/* Main Card */

.heart-card {
    position: relative;

    z-index: 2;

    width: min(440px, 90%);

    padding: 34px;

    border:
        1px solid rgba(201,164,93,0.20);

    border-radius: 28px;

    background:
        linear-gradient(
            145deg,
            rgba(24,24,24,0.90),
            rgba(7,7,7,0.90)
        );

    box-shadow:
        0 35px 100px rgba(0,0,0,0.65),
        0 0 60px rgba(201,164,93,0.05),
        inset 0 1px rgba(255,255,255,0.05);

    backdrop-filter: blur(30px);

    transform:
        rotateY(-7deg)
        rotateX(4deg);

    animation:
        cardFloat 6s ease-in-out infinite;
}

@keyframes cardFloat {

    0%,
    100% {
        transform:
            translateY(0)
            rotateY(-7deg)
            rotateX(4deg);
    }

    50% {
        transform:
            translateY(-14px)
            rotateY(-4deg)
            rotateX(2deg);
    }
}


/* Card Header */

.card-top {
    display: flex;

    justify-content: space-between;

    color: var(--text-muted);

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.5px;
}

.live {
    color: var(--gold-light);
}


/* Heart */

.heart-icon {
    width: 105px;
    height: 105px;

    margin:
        50px auto 25px;

    display: grid;

    place-items: center;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(201,164,93,0.18),
            rgba(201,164,93,0.025)
        );

    border:
        1px solid rgba(201,164,93,0.28);

    color: var(--gold-light);

    font-size: 50px;

    text-shadow:
        0 0 30px rgba(201,164,93,0.65);

    animation:
        heartbeat 1.8s infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    10% {
        transform: scale(1.08);
    }

    20% {
        transform: scale(1);
    }

    30% {
        transform: scale(1.08);
    }

    40% {
        transform: scale(1);
    }
}


/* Pulse */

.pulse-line {
    width: 100%;
    height: 35px;

    position: relative;

    overflow: hidden;

    margin-bottom: 25px;

    opacity: 0.7;
}

.pulse-line::before {
    content: "";

    position: absolute;

    left: -20%;
    top: 50%;

    width: 140%;
    height: 1px;

    background:
        linear-gradient(
            90deg,
            transparent,
            var(--gold),
            transparent
        );
}


/* Card Text */

.heart-card h3 {
    font-size: 19px;

    letter-spacing: -0.5px;
}

.heart-card > p {
    margin-top: 5px;

    color: var(--text-muted);

    font-size: 12px;
}


/* Analysis Bar */

.analysis-bar {
    height: 5px;

    margin-top: 28px;

    overflow: hidden;

    border-radius: 20px;

    background:
        rgba(255,255,255,0.06);
}

.analysis-bar div {
    width: 88.89%;
    height: 100%;

    border-radius: inherit;

    background:
        linear-gradient(
            90deg,
            var(--gold-dark),
            var(--gold-light)
        );

    box-shadow:
        0 0 15px rgba(201,164,93,0.35);
}

.analysis-info {
    display: flex;

    justify-content: space-between;

    margin-top: 10px;

    font-size: 11px;
}

.analysis-info span {
    color: var(--text-muted);
}

.analysis-info strong {
    color: var(--gold-light);
}


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

.section {
    width: min(
        var(--container),
        calc(100% - 40px)
    );

    margin: auto;

    padding: 130px 0;
}

.section-heading {
    max-width: 720px;

    margin-bottom: 55px;
}

.eyebrow {
    display: block;

    margin-bottom: 16px;

    color: var(--gold-light);

    font-size: 10px;

    font-weight: 800;

    letter-spacing: 2px;
}

.section-heading h2 {
    font-size:
        clamp(36px, 4vw, 58px);

    line-height: 1.05;

    letter-spacing: -2.5px;
}

.section-heading h2 span {
    display: block;

    color: var(--gold);
}

.section-heading p {
    max-width: 600px;

    margin-top: 22px;

    color: var(--text-soft);
}


/* =========================================================
   INFO CARDS
========================================================= */

.info-grid {
    display: grid;

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

    gap: 18px;
}

.info-card {
    min-height: 280px;

    padding: 30px;

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

    border-radius: var(--radius);

    background:
        linear-gradient(
            145deg,
            rgba(18,18,18,0.90),
            rgba(10,10,10,0.80)
        );

    backdrop-filter: blur(20px);

    transition: 0.4s ease;
}

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

    border-color:
        rgba(201,164,93,0.42);

    box-shadow:
        0 20px 50px
        rgba(201,164,93,0.06);
}

.card-number {
    color: var(--gold-dark);

    font-size: 12px;

    font-weight: 700;
}

.info-card h3 {
    margin-top: 75px;

    font-size: 22px;

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

.info-card p {
    margin-top: 12px;

    color: var(--text-soft);

    font-size: 14px;
}


/* =========================================================
   METRICS
========================================================= */

.metrics-grid {
    display: grid;

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

    gap: 15px;
}

.metric-card {
    padding: 30px;

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

    border-radius: var(--radius);

    background:
        linear-gradient(
            145deg,
            rgba(20,20,20,0.92),
            rgba(10,10,10,0.90)
        );

    transition: 0.35s ease;
}

.metric-card:hover {
    transform: translateY(-5px);

    border-color:
        rgba(201,164,93,0.40);

    box-shadow:
        0 15px 40px
        rgba(201,164,93,0.06);
}

.metric-card span {
    color: var(--text-muted);

    font-size: 12px;
}

.metric-card strong {
    display: block;

    margin: 18px 0 5px;

    font-size: 36px;

    letter-spacing: -2px;

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

.metric-card small {
    color: var(--text-muted);

    font-size: 11px;
}


/* Model Card */

.model-card {
    margin-top: 18px;

    padding: 32px;

    display: flex;

    justify-content: space-between;

    align-items: center;

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

    border-radius: var(--radius);

    background:
        linear-gradient(
            120deg,
            rgba(201,164,93,0.07),
            rgba(255,255,255,0.015)
        );
}

.model-card h3 {
    margin: 8px 0;

    font-size: 25px;

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

.model-card p {
    color: var(--text-soft);

    font-size: 13px;
}

.model-score {
    text-align: right;
}

.model-score span {
    display: block;

    color: var(--text-muted);

    font-size: 11px;
}

.model-score strong {
    font-size: 32px;

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


/* =========================================================
   PREDICTION FORM
========================================================= */

.prediction-section {
    padding-bottom: 150px;
}

.prediction-container {
    display: grid;

    grid-template-columns:
        1.4fr 0.6fr;

    gap: 20px;

    align-items: start;
}

#predictionForm {
    padding: 10px;

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

    border-radius: 30px;

    background:
        rgba(8,8,8,0.82);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.40);
}

.form-group {
    padding: 30px;

    border-bottom:
        1px solid rgba(201,164,93,0.08);
}

.form-group:last-of-type {
    border-bottom: 0;
}

.group-title {
    display: flex;

    align-items: flex-start;

    gap: 15px;

    margin-bottom: 25px;
}

.group-title > span {
    width: 32px;
    height: 32px;

    flex-shrink: 0;

    display: grid;

    place-items: center;

    border-radius: 9px;

    background:
        rgba(201,164,93,0.09);

    border:
        1px solid rgba(201,164,93,0.16);

    color: var(--gold-light);

    font-size: 11px;

    font-weight: 800;
}

.group-title h3 {
    font-size: 17px;

    color: var(--text);
}

.group-title p {
    margin-top: 2px;

    color: var(--text-muted);

    font-size: 11px;
}

.input-grid {
    display: grid;

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

    gap: 16px;
}

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

.input-box {
    display: flex;

    flex-direction: column;

    gap: 8px;
}

.input-box label {
    color: #c8c3b9;

    font-size: 12px;

    font-weight: 600;
}

.input-box input,
.input-box select {
    width: 100%;

    padding: 14px 15px;

    outline: none;

    border:
        1px solid rgba(201,164,93,0.13);

    border-radius: 12px;

    background:
        rgba(255,255,255,0.035);

    color: white;

    font-size: 13px;

    transition: 0.3s ease;
}

.input-box input::placeholder {
    color: #4f4b44;
}

.input-box select option {
    background: #111111;

    color: white;
}

.input-box input:focus,
.input-box select:focus {
    border-color:
        rgba(201,164,93,0.65);

    box-shadow:
        0 0 0 3px
        rgba(201,164,93,0.07);
}


/* =========================================================
   PREDICT BUTTON
========================================================= */

.predict-button {
    width:
        calc(100% - 60px);

    margin:
        20px 30px 30px;

    padding: 17px 20px;

    display: flex;

    justify-content: space-between;

    align-items: center;

    border: 0;

    border-radius: 14px;

    background:
        linear-gradient(
            100deg,
            var(--gold-dark),
            var(--gold-light)
        );

    color: #080808;

    cursor: pointer;

    font-weight: 800;

    box-shadow:
        0 20px 45px
        rgba(201,164,93,0.14);

    transition: 0.3s ease;
}

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

    box-shadow:
        0 25px 55px
        rgba(201,164,93,0.24);
}

.predict-button:disabled {
    opacity: 0.65;

    cursor: wait;

    transform: none;
}

.button-arrow {
    font-size: 20px;
}


/* =========================================================
   RESULT
========================================================= */

.result-card {
    position: sticky;

    top: 110px;

    padding: 35px;

    min-height: 430px;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    text-align: center;

    border:
        1px solid rgba(201,164,93,0.24);

    border-radius: 28px;

    background:
        radial-gradient(
            circle at top,
            rgba(201,164,93,0.12),
            transparent 55%
        ),
        var(--surface);

    box-shadow:
        0 30px 80px rgba(0,0,0,0.45);
}

.result-card.hidden {
    display: none;
}

.result-icon {
    width: 70px;
    height: 70px;

    display: grid;

    place-items: center;

    margin-bottom: 25px;

    border-radius: 50%;

    background:
        rgba(201,164,93,0.10);

    border:
        1px solid rgba(201,164,93,0.22);

    color: var(--gold-light);

    font-size: 30px;

    box-shadow:
        0 0 30px rgba(201,164,93,0.08);
}

.result-card h3 {
    margin-top: 5px;

    font-size: 25px;

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

.probability {
    margin: 25px 0;

    display: flex;

    flex-direction: column;
}

.probability strong {
    font-size: 65px;

    line-height: 1;

    letter-spacing: -4px;

    background:
        linear-gradient(
            90deg,
            var(--gold-light),
            #fff0bd,
            var(--gold)
        );

    -webkit-background-clip: text;

    background-clip: text;

    color: transparent;
}

.probability span {
    margin-top: 8px;

    color: var(--text-muted);

    font-size: 11px;
}

#resultMessage {
    max-width: 330px;

    color: var(--text-soft);

    font-size: 13px;
}

.medical-note {
    margin-top: 25px;

    padding: 12px;

    border:
        1px solid rgba(201,164,93,0.09);

    border-radius: 10px;

    background:
        rgba(255,255,255,0.025);

    color: var(--text-muted);

    font-size: 10px;

    line-height: 1.6;
}


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

footer {
    width:
        min(
            var(--container),
            calc(100% - 40px)
        );

    margin: auto;

    padding:
        35px 0 45px;

    border-top:
        1px solid rgba(201,164,93,0.12);

    display: flex;

    align-items: center;

    justify-content: space-between;

    color: var(--text-muted);

    font-size: 11px;
}

.footer-logo {
    color: var(--text);

    font-size: 15px;

    font-weight: 800;
}

.footer-logo span {
    color: var(--gold-light);
}


/* =========================================================
   RTL SUPPORT
========================================================= */

html[dir="rtl"] body {
    text-align: right;
}

html[dir="rtl"] .hero-content,
html[dir="rtl"] .section-heading,
html[dir="rtl"] .info-card,
html[dir="rtl"] .metric-card,
html[dir="rtl"] .model-card,
html[dir="rtl"] .form-group,
html[dir="rtl"] .input-box,
html[dir="rtl"] footer {
    text-align: right;
}

html[dir="rtl"] .hero h1 {
    letter-spacing: 0;
}

html[dir="rtl"] .section-heading h2 {
    letter-spacing: 0;
}

html[dir="rtl"] .info-card h3,
html[dir="rtl"] .model-card h3 {
    letter-spacing: 0;
}

html[dir="rtl"] .group-title {
    flex-direction: row;
}

html[dir="rtl"] .model-score {
    text-align: left;
}

html[dir="rtl"] .model-card {
    flex-direction: row;
}

html[dir="rtl"] .hero-buttons {
    flex-direction: row;
}

html[dir="rtl"] .hero-stats {
    direction: rtl;
}

html[dir="rtl"] .analysis-info {
    direction: rtl;
}

html[dir="rtl"] .predict-button {
    direction: rtl;
}

html[dir="rtl"] .button-arrow {
    transform: rotate(180deg);
}

html[dir="rtl"] .input-box input,
html[dir="rtl"] .input-box select {
    text-align: right;
}

html[dir="rtl"] .probability strong {
    letter-spacing: 0;
}


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

@media (max-width: 1000px) {

    .hero {
        grid-template-columns: 1fr;

        padding-top: 130px;
    }

    .hero-visual {
        min-height: 450px;
    }

    .prediction-container {
        grid-template-columns: 1fr;
    }

    .result-card {
        position: relative;

        top: 0;
    }

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

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


@media (max-width: 700px) {

    .nav-container {
        width:
            min(
                100% - 25px,
                var(--container)
            );
    }

    nav {
        display: none;
    }

    .nav-button {
        display: none;
    }

    .language-switcher {
        left: auto;
        right: 0;

        position: relative;

        top: auto;

        transform: none;

        margin-left: auto;

        margin-right: 10px;
    }

    html[dir="rtl"] .language-switcher {
        left: auto;
        right: auto;

        margin-left: 10px;
        margin-right: auto;
    }

    .hero,
    .section {
        width:
            min(
                100% - 25px,
                var(--container)
            );
    }

    .hero h1 {
        font-size: 52px;

        letter-spacing: -3px;
    }

    html[dir="rtl"] .hero h1 {
        letter-spacing: 0;
    }

    .hero-content > p {
        font-size: 14px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    html[dir="rtl"] .hero-buttons {
        flex-direction: column;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
    }

    .hero-stats {
        gap: 25px;
    }

    .hero-visual {
        min-height: 390px;
    }

    .heart-card {
        padding: 25px;
    }

    .section {
        padding: 90px 0;
    }

    .section-heading h2 {
        font-size: 40px;
    }

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

    .model-card {
        flex-direction: column;

        align-items: flex-start;

        gap: 25px;
    }

    html[dir="rtl"] .model-card {
        flex-direction: column;

        align-items: flex-start;
    }

    .model-score {
        text-align: left;
    }

    html[dir="rtl"] .model-score {
        text-align: right;
    }

    .input-grid,
    .three-columns {
        grid-template-columns: 1fr;
    }

    .form-group {
        padding: 22px 15px;
    }

    .predict-button {
        width:
            calc(100% - 30px);

        margin-left: 15px;
        margin-right: 15px;
    }

    footer {
        flex-direction: column;

        gap: 15px;

        text-align: center;
    }
}


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

@media (max-width: 430px) {

    .language-switcher {
        padding: 3px;
    }

    .lang-btn {
        padding: 5px 8px;

        font-size: 9px;
    }

    .logo {
        font-size: 16px;
    }

    .logo-icon {
        width: 31px;
        height: 31px;
    }

    .hero h1 {
        font-size: 43px;
    }

    .hero-stats {
        gap: 18px;
    }

    .hero-stats strong {
        font-size: 20px;
    }

    .hero-stats span {
        font-size: 10px;
    }

    .result-card {
        padding: 25px 18px;
    }

    .probability strong {
        font-size: 52px;
    }
}
/* =========================================================
   LANGUAGE SWITCHER
========================================================= */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 7px;

    padding: 5px 9px;

    border: 1px solid rgba(201,164,93,0.20);
    border-radius: 10px;

    background: rgba(201,164,93,0.045);
}

.language-switcher span {
    color: var(--text-muted);
    font-size: 11px;
}

.language-btn {
    border: 0;
    background: transparent;

    color: var(--text-muted);

    cursor: pointer;

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

    padding: 4px 5px;

    border-radius: 6px;

    transition: 0.3s ease;
}

.language-btn:hover {
    color: var(--gold-light);
}

.language-btn.active {
    color: #080808;

    background:
        linear-gradient(
            135deg,
            var(--gold-light),
            var(--gold)
        );
}


/* =========================================================
   ARABIC MODE
========================================================= */

html[dir="rtl"] body {
    font-family: "Cairo", sans-serif;
}

html[dir="rtl"] .hero h1,
html[dir="rtl"] .section-heading h2 {
    letter-spacing: 0;
}

html[dir="rtl"] .hero-content > p,
html[dir="rtl"] .section-heading p,
html[dir="rtl"] .info-card p,
html[dir="rtl"] .model-card p,
html[dir="rtl"] .group-title p,
html[dir="rtl"] .input-box label,
html[dir="rtl"] #resultMessage,
html[dir="rtl"] .medical-note {
    line-height: 1.9;
}


/* Navbar */

html[dir="rtl"] .nav-container {
    direction: rtl;
}

html[dir="rtl"] .nav-actions {
    direction: rtl;
}

html[dir="rtl"] nav {
    direction: rtl;
}


/* Hero */

html[dir="rtl"] .hero {
    direction: rtl;
}

html[dir="rtl"] .hero-content {
    text-align: right;
}

html[dir="rtl"] .hero-buttons {
    direction: rtl;
}

html[dir="rtl"] .hero-stats {
    direction: rtl;
}


/* Cards */

html[dir="rtl"] .card-top,
html[dir="rtl"] .analysis-info {
    direction: rtl;
}


/* Sections */

html[dir="rtl"] .section-heading {
    text-align: right;
}

html[dir="rtl"] .info-card {
    text-align: right;
}

html[dir="rtl"] .metric-card {
    text-align: right;
}

html[dir="rtl"] .model-card {
    direction: rtl;
    text-align: right;
}

html[dir="rtl"] .model-score {
    text-align: left;
}


/* Form */

html[dir="rtl"] .prediction-container {
    direction: rtl;
}

html[dir="rtl"] #predictionForm {
    direction: rtl;
}

html[dir="rtl"] .group-title {
    direction: rtl;
}

html[dir="rtl"] .input-box {
    text-align: right;
}

html[dir="rtl"] .input-box input,
html[dir="rtl"] .input-box select {
    text-align: right;
}

html[dir="rtl"] .predict-button {
    direction: rtl;
}


/* Result */

html[dir="rtl"] .result-card {
    direction: rtl;
}


/* Footer */

html[dir="rtl"] footer {
    direction: rtl;
}


/* =========================================================
   LOADING
========================================================= */

.loading-spinner {
    width: 17px;
    height: 17px;

    border: 2px solid rgba(0,0,0,0.25);
    border-top-color: #080808;

    border-radius: 50%;

    animation: loadingSpin 0.7s linear infinite;
}

@keyframes loadingSpin {

    to {
        transform: rotate(360deg);
    }

}


/* =========================================================
   REVEAL ANIMATION
========================================================= */

.reveal {
    opacity: 0;

    transform: translateY(30px);

    transition:
        opacity 0.8s ease,
        transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;

    transform: translateY(0);
}


/* =========================================================
   RESULT STATES
========================================================= */

.result-safe {
    border-color:
        rgba(201,164,93,0.30);
}

.result-risk {
    border-color:
        rgba(201,164,93,0.40);
}

.result-error {
    border-color:
        rgba(255,90,90,0.40);
}

.result-error .result-icon {
    color: #ff7777;

    border-color:
        rgba(255,90,90,0.30);

    background:
        rgba(255,90,90,0.08);
}


/* =========================================================
   NAVBAR SCROLL
========================================================= */

.navbar.scrolled {
    background:
        rgba(5,5,5,0.92);

    box-shadow:
        0 15px 40px rgba(0,0,0,0.25);
}


/* =========================================================
   MOBILE LANGUAGE SWITCHER
========================================================= */

@media (max-width: 700px) {

    .nav-container {
        justify-content: space-between;
    }

    .nav-actions {
        gap: 8px;
    }

    .language-switcher {
        padding: 4px 7px;
    }

    .nav-button {
        display: none;
    }

    .logo {
        font-size: 15px;
    }

    .logo-icon {
        width: 31px;
        height: 31px;
    }

}