:root {
    --primary: #18c37e;
    --primary-dark: #0ea86b;
    --primary-soft: #dcfff0;

    --accent: #47c7c2;
    --accent-soft: #dcfbff;

    --navy: #17324d;
    --text: #1c2f45;
    --muted: #5b6f82;

    --page-bg: #dfe8f5;
    --panel-bg: #edf3fb;
    --card-bg: #f8fbff;
    --white: #ffffff;

    --border: #b9cfe3;
    --border-soft: #d6e3ef;

    --shadow: 0 10px 30px rgba(28, 65, 102, .12);
    --shadow-soft: 0 6px 18px rgba(24, 63, 99, .08);

    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-pill: 999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(71, 199, 194, .16), transparent 20%),
        radial-gradient(circle at top right, rgba(24, 195, 126, .10), transparent 18%),
        linear-gradient(180deg, #edf3fb 0%, #e5edf8 50%, #dbe6f3 100%);
    line-height: 1.65;
}

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

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}

/* =========================
   NAVBAR
========================= */
.nav-wrap {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(236, 243, 251, .92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(185, 207, 227, .75);
    box-shadow: 0 4px 14px rgba(34, 72, 110, .05);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 0;
}

.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-title {
    font-size: 27px;
    font-weight: 800;
    color: #2d6fdd;
    letter-spacing: .2px;
}

.brand-sub {
    font-size: 12px;
    color: #6d7c8d;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .9px;
    margin-top: 3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 700;
    color: #22384f;
    transition: .2s ease;
    position: relative;
}

.nav-links a:hover {
    color: #129d7f;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: .25s ease;
    border-radius: 999px;
}

.nav-links a:hover::after {
    width: 100%;
}

/* =========================
   BUTTONS
========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    border-radius: var(--radius-pill);
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 800;
    transition: .25s ease;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #18c37e 0%, #23c8a8 50%, #2f78e9 100%);
    border: 1px solid rgba(255, 255, 255, .25);
    box-shadow:
        0 10px 20px rgba(24, 195, 126, .18),
        0 6px 24px rgba(47, 120, 233, .18);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow:
        0 16px 28px rgba(24, 195, 126, .22),
        0 8px 28px rgba(47, 120, 233, .20);
}

.btn-light {
    background: linear-gradient(180deg, #ffffff 0%, #eef4fb 100%);
    color: #2d6fdd;
    border: 1px solid var(--border);
}

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

.btn-white {
    background: linear-gradient(180deg, #ffffff 0%, #eff9ff 100%);
    color: #129d7f;
    border: 1px solid rgba(255, 255, 255, .35);
}

.btn-outline {
    background: rgba(255, 255, 255, .10);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .35);
    backdrop-filter: blur(6px);
}

/* =========================
   HERO
========================= */
.hero-section {
    padding: 70px 0 36px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 38px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: linear-gradient(180deg, #eef8ff 0%, #ddeeff 100%);
    color: #2c65bf;
    border: 1px solid #d1e4f7;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 18px;
    box-shadow: var(--shadow-soft);
}

.hero-content h1 {
    font-size: 60px;
    line-height: 1.06;
    margin-bottom: 16px;
    color: #0e1d2d;
    letter-spacing: -1px;
}

.hero-content h1 span {
    color: #2d6fdd;
}

.hero-content p {
    font-size: 18px;
    color: #475d72;
    max-width: 690px;
    margin-bottom: 25px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.hero-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-tags span {
    padding: 10px 15px;
    border-radius: var(--radius-pill);
    background: linear-gradient(180deg, #ffffff 0%, #edf4fa 100%);
    border: 1px solid var(--border);
    color: #2b3f55;
    font-weight: 700;
    box-shadow: var(--shadow-soft);
}

/* =========================
   HERO VISUAL
========================= */
.hero-preview-card {
    background: linear-gradient(180deg, #eef5fc 0%, #e7f0f9 100%);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 18px;
    box-shadow: 0 18px 38px rgba(32, 73, 112, .10);
}

.hero-preview-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px 14px;
    border-bottom: 1px solid #d9e6f2;
    margin-bottom: 16px;
}

.preview-dots {
    display: flex;
    gap: 8px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #b6d3f5;
}

.preview-title {
    font-size: 14px;
    font-weight: 800;
    color: #32495f;
}

.hero-preview-body {
    display: grid;
    gap: 18px;
}

.hero-dashboard-image-wrap {
    width: 100%;
    height: 320px; /* তুমি চাইলে বাড়াতে পারো */
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eef5fb;
    border-radius: 12px;
    overflow: hidden;
}

.hero-dashboard-image {
    width: 100%;
    height: 100%;
    object-fit: contain;   /* 🔥 MAIN FIX */
    object-position: center;
}

/* =========================
   HERO DEMO BOX
========================= */
.hero-demo-mini {
    background: linear-gradient(180deg, #f8fbff 0%, #f0f6fb 100%);
    border: 1px solid #d7e3ee;
    border-radius: 20px;
    padding: 14px;
    box-shadow: var(--shadow-soft);
}

.mini-row {
    padding: 12px 14px;
    border-radius: 14px;
    background: #f8fbff;
    border: 1px dashed #9dc0de;
    color: #34485c;
    font-size: 15px;
}

.mini-row+.mini-row {
    margin-top: 10px;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
    border-radius: 18px;
    background: linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
    border: 1px solid #d7e3ee;
    box-shadow: var(--shadow-soft);
}

.slider-track {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease;
}

.slide-img {
    width: 100%;
    min-width: 100%;
    height: 100%;
    flex: 0 0 100%;
    object-fit: contain;
    object-position: center center;
    background: #eef5fb;
    padding: 12px;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: rgba(31, 41, 55, 0.45);
    color: #fff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn.prev {
    left: 12px;
}

.slider-btn.next {
    right: 12px;
}

/* =========================
   STATS
========================= */
.stats-section {
    padding: 10px 0 26px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat-card {
    background: linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 26px 20px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.stat-card h3 {
    font-size: 34px;
    color: #2d6fdd;
    margin-bottom: 8px;
    font-weight: 800;
}

.stat-card p {
    color: #4b6177;
    font-weight: 700;
}

/* =========================
   COMMON SECTION
========================= */
.features-section,
.screens-section,
.demo-section,
.cta-section {
    padding: 84px 0;
}

.section-head {
    max-width: 800px;
    margin: 0 auto 42px;
    text-align: center;
}

.section-head span,
.section-mini {
    display: block;
    color: #129d7f;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-head h2,
.demo-info h2,
.cta-box h2 {
    font-size: 42px;
    line-height: 1.12;
    margin-bottom: 12px;
    color: #102437;
}

.section-head p,
.demo-info p,
.cta-box p {
    font-size: 17px;
    color: #566a7f;
}

/* =========================
   FEATURES
========================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature-card {
    background: linear-gradient(180deg, #f7fbff 0%, #eef5fb 100%);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: .25s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #dcfff0 0%, #dcfbff 100%);
    border: 1px solid #c5ede1;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #17324d;
}

.feature-card p {
    font-size: 15px;
    color: #5a6d80;
}

/* =========================
   SCREEN PREVIEW
========================= */
.screen-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 22px;
}

.screen-card,
.screen-text-card {
    background: linear-gradient(180deg, #f7fbff 0%, #eef5fb 100%);
    border: 1px solid var(--border);
    border-radius: 26px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.real-screen-shot-wrap {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid #d7e3ee;
    background: linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
    box-shadow: var(--shadow-soft);
}

.real-screen-shot {
    width: 100%;
    height: 470px;
    display: block;
    object-fit: cover;
    object-position: center top;
}

.screen-text-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.screen-text-card h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: #17324d;
}

.screen-text-card p {
    color: #5a6d80;
    margin-bottom: 18px;
}

.screen-list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.screen-list li {
    padding: 12px 14px;
    background: linear-gradient(180deg, #ffffff 0%, #eff6fb 100%);
    border: 1px solid #d7e3ee;
    border-radius: 14px;
    color: #284056;
    font-weight: 700;
}

/* =========================
   DEMO
========================= */
.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: center;
}

.demo-login-card {
    background: linear-gradient(180deg, #f8fbff 0%, #eef5fb 100%);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.demo-row {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 12px;
    background: #f8fbff;
    border: 1px dashed #9cc0df;
    color: #31485f;
}

.demo-btn {
    width: 100%;
    margin-top: 8px;
}

.pricing-section {
    padding: 80px 0;
    text-align: center;
}

.pricing-card {
    max-width: 500px;
    margin: 40px auto 0;
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.price-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    background: #f8fafc;
    padding: 12px 16px;
    border-radius: 10px;
}

.price-item strong {
    color: #2563eb;
    font-size: 18px;
}

.billing-info {
    margin: 20px 0;
    font-size: 15px;
    color: #475569;
}

/* =========================
   CTA
========================= */
.cta-box {
    background: linear-gradient(135deg, #18c37e 0%, #1ab5a8 45%, #2d6fdd 100%);
    color: #fff;
    border-radius: 32px;
    padding: 56px 28px;
    text-align: center;
    box-shadow: 0 20px 42px rgba(31, 82, 127, .18);
}

.cta-box p {
    max-width: 760px;
    margin: 0 auto 24px;
    color: rgba(255, 255, 255, .93);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* =========================
   FOOTER
========================= */
.footer-wrap {
    padding: 30px 0 40px;
    border-top: 1px solid rgba(185, 207, 227, .75);
    background: rgba(237, 243, 251, .7);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-inner h3 {
    font-size: 24px;
    color: #129d7f;
    margin-bottom: 4px;
}

.footer-inner p {
    color: #5d7184;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1100px) {
    .hero-grid,
    .screen-grid,
    .demo-grid {
        grid-template-columns: 1fr;
    }

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

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

    .hero-content h1 {
        font-size: 48px;
    }

    .hero-dashboard-image-wrap {
        height: 360px;
    }

    .hero-dashboard-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .real-screen-shot {
        height: auto;
    }

    .slider-wrapper {
        height: 440px;
    }

    .slide-img {
        width: 100%;
        min-width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-section {
        padding-top: 42px;
    }

    .hero-content h1 {
        font-size: 38px;
    }

    .section-head h2,
    .demo-info h2,
    .cta-box h2 {
        font-size: 31px;
    }

    .feature-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .cta-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-dashboard-image-wrap {
        height: 240px;
    }

    .hero-dashboard-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .real-screen-shot {
        height: auto;
    }

    .slider-wrapper {
        height: 260px;
    }

    .slide-img {
        width: 100%;
        min-width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center center;
        padding: 8px;
    }

    .slider-btn {
        width: 38px;
        height: 38px;
        font-size: 20px;
    }

    .slider-btn.prev {
        left: 8px;
    }

    .slider-btn.next {
        right: 8px;
    }
}