@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+Bengali:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #14B8A6;
    --primary-dark: #0D9488;
    --primary-light: #5EEAD4;
    --navy: #0F242B;
    --navy-light: #1A3A45;
    --navy-lighter: #254B58;
    --bg: #F7F9FC;
    --bg-alt: #EDF1F7;
    --white: #FFFFFF;
    --text: #334155;
    --text-light: #64748B;
    --text-dark: #0F172A;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(15, 36, 43, 0.07), 0 2px 4px -2px rgba(15, 36, 43, 0.05);
    --shadow-lg: 0 20px 40px -12px rgba(15, 36, 43, 0.15);
    --shadow-xl: 0 25px 50px -12px rgba(15, 36, 43, 0.2);
    --radius: 16px;
    --radius-sm: 10px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans Bengali', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ===== UTILITY ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--white);
}

.text-center {
    text-align: center;
}

.badge {
    display: inline-block;
    background: rgba(20, 184, 166, 0.1);
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 48px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all 0.3s;
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--navy);
}

.logo-text span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(20, 184, 166, 0.3);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy);
    margin: 6px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 50%, #153842 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(20, 184, 166, 0.15);
    border: 1px solid rgba(20, 184, 166, 0.3);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero h1 {
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(20, 184, 166, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat h3 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-light);
}

.hero-stat p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
}

/* ===== PAIN POINTS ===== */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.pain-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #EF4444, #F97316);
    opacity: 0;
    transition: opacity 0.3s;
}

.pain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pain-card:hover::before {
    opacity: 1;
}

.pain-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.pain-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.pain-card p {
    font-size: 14px;
    color: var(--text-light);
}

.solution-banner {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: var(--radius);
    padding: 48px;
    text-align: center;
    color: white;
}

.solution-banner h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
}

.solution-banner p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
}

.solution-banner .highlight {
    color: var(--primary-light);
}

/* ===== FEATURES ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all 0.3s;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(20, 184, 166, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 15px;
    color: var(--text-light);
}

.feature-card .free-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== PRICING ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-lg);
}

.pricing-card.featured::before {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: -32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 40px;
    transform: rotate(45deg);
    letter-spacing: 1px;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag-starter {
    background: #DBEAFE;
    color: #2563EB;
}

.tag-pro {
    background: rgba(20, 184, 166, 0.1);
    color: var(--primary-dark);
}

.tag-enterprise {
    background: #EDE9FE;
    color: #7C3AED;
}

.pricing-card h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 4px;
}

.pricing-card .tech {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.price {
    font-size: 48px;
    font-weight: 900;
    color: var(--navy);
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
}

.price .currency {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-light);
}

.price .period {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-card .desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text);
}

.pricing-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.btn-pricing {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    display: block;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-pricing.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-pricing.primary:hover {
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
    transform: translateY(-2px);
}

.btn-pricing.outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--navy);
}

.btn-pricing.outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== WHAT WE DO ===== */
.what-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.what-text h2 {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 20px;
    line-height: 1.3;
}

.what-text p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.8;
}

.what-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.what-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
}

.what-card:hover {
    border-color: var(--primary);
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.what-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(20, 184, 166, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.what-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 2px;
}

.what-card p {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--navy);
    color: rgba(255, 255, 255, 0.6);
    padding: 60px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    gap: 20px;
    flex-wrap: wrap;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.footer-logo span em {
    font-style: normal;
    color: var(--primary-light);
}

.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    max-width: 400px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    font-size: 13px;
}

.footer-bottom a {
    color: var(--primary-light);
    text-decoration: none;
}

/* ===== WHATSAPP FLOAT ===== */
.wa-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s;
    animation: waFloat 3s ease-in-out infinite;
}

.wa-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
}

@keyframes waFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-6px);
    }
}

.wa-float svg {
    width: 30px;
    height: 30px;
    fill: white;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(15, 36, 43, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    width: 90%;
    max-width: 480px;
    position: relative;
    transform: translateY(30px) scale(0.95);
    transition: all 0.3s;
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-light);
    transition: all 0.2s;
}

.modal-close:hover {
    background: #FEE2E2;
    color: #EF4444;
    border-color: #FCA5A5;
}

.modal h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 4px;
}

.modal .modal-pkg {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 24px;
    display: inline-block;
    background: rgba(20, 184, 166, 0.1);
    padding: 4px 14px;
    border-radius: 50px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    background: var(--bg);
    transition: all 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #94A3B8;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
    transform: translateY(-2px);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.form-success {
    text-align: center;
    padding: 20px 0;
}

.form-success .check {
    font-size: 56px;
    margin-bottom: 16px;
}

.form-success h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 14px;
    color: var(--text-light);
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .mobile-toggle {
        display: block;
    }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 20px 24px;
        box-shadow: var(--shadow-lg);
        gap: 16px;
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-stat h3 {
        font-size: 24px;
    }

    .what-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

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

    .hero-btns a {
        text-align: center;
        justify-content: center;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
    }
}