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

:root {
    --primary: #0d7377;
    --primary-hover: #095c5f;
    --primary-light: #e0f2f1;
    --gradient-start: #0a2e2f;
    --gradient-end: #0d3d3e;
    --accent-gradient: linear-gradient(135deg, #0d7377, #14a3a8);
    --text-primary: #1a2e2e;
    --text-secondary: #64748b;
    --section-alt: #f8f9fa;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --font: 'Poppins', 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--text-primary);
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden;
}

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

ul,
ol {
    list-style: none;
}

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

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

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--text-secondary);
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .marquee-track {
        animation: none !important;
    }
}

/* ===== 1. Sticky Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.375rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.navbar.scrolled .nav-logo {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.2s;
}

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

.navbar.scrolled .nav-links a {
    color: var(--text-secondary);
}

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

.nav-cta {
    background: var(--accent-gradient);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(13, 115, 119, 0.4);
    color: #fff !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    z-index: 1001;
}

.nav-toggle-label span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: transform 0.3s, opacity 0.3s;
}

.navbar.scrolled .nav-toggle-label span {
    background: var(--text-primary);
}

@media (max-width: 768px) {
    .nav-toggle-label {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        padding: 80px 32px 32px;
        gap: 24px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links a {
        color: var(--text-primary) !important;
        font-size: 1.0625rem;
    }

    .nav-toggle:checked~.nav-links {
        right: 0;
    }

    .nav-toggle:checked~.nav-toggle-label span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle:checked~.nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle:checked~.nav-toggle-label span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* ===== 2. Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: clamp(120px, 15vw, 160px) 0 clamp(80px, 10vw, 120px);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(13, 115, 119, 0.2), transparent 70%);
    border-radius: 50%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.75);
    font-size: clamp(1rem, 2vw, 1.125rem);
    margin-bottom: 32px;
    max-width: 500px;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 25px rgba(13, 115, 119, 0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    display: inline-block;
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    width: 100%;
    max-width: 580px;
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }
}

/* ===== Partnership Banner ===== */
.partnership {
    padding: 64px 0;
    background: var(--section-alt);
    border-bottom: 1px solid var(--border);
}

.partnership-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.partnership-logo-wrap {
    width: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partnership-logo-wrap img {
    max-width: 100%;
    max-height: 56px;
    object-fit: contain;
}

.partnership-connector {
    flex-shrink: 0;
    font-size: 24px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partnership-label {
    display: block;
    text-align: center;
    margin-top: 24px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 480px) {
    .partnership-inner {
        gap: 24px;
    }

    .partnership-logo-wrap {
        width: 110px;
    }

    .partnership-logo-wrap img {
        max-height: 40px;
    }
}

/* ===== 3. Feature Cards ===== */
.features {
    padding: 96px 0;
    background: var(--section-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 4. Detailed Features ===== */
.detailed-features {
    padding: 96px 0;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse .feature-row-content {
    order: 2;
}

.feature-row.reverse .feature-row-visual {
    order: 1;
}

.feature-row-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-row-visual img {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-row-visual svg {
    width: 100%;
    max-width: 320px;
}

.feature-row-content h3 {
    font-size: clamp(1.375rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.feature-row-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

.feature-row-content ul {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-row-content ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-row-content ul li svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    stroke: var(--primary);
    fill: none;
    stroke-width: 2.5;
    margin-top: 3px;
}

@media (max-width: 768px) {
    .feature-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .feature-row.reverse .feature-row-content,
    .feature-row.reverse .feature-row-visual {
        order: unset;
    }

    .feature-row-visual svg {
        max-width: 240px;
    }
}

/* ===== 5. Reports Section (Dark) ===== */
.reports-section {
    padding: 96px 0;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: #fff;
}

.reports-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.reports-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.025em;
}

.reports-content > p {
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 32px;
    font-size: 1.0625rem;
}

.reports-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.reports-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.reports-list li svg {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    stroke: #14a3a8;
    fill: none;
    stroke-width: 2;
    margin-top: 2px;
}

.reports-list li strong {
    color: #fff;
}

.reports-visual {
    display: flex;
    justify-content: center;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    border-radius: 16px;
}

.reports-visual img {
    width: 100%;
    max-width: 500px;
    border-radius: 8px;
}

@media (max-width: 992px) {
    .reports-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .reports-list {
        align-items: center;
    }

    .reports-visual {
        order: -1;
    }
}

/* ===== 6. FAQ Accordion ===== */
.faq {
    padding: 96px 0;
    background: var(--section-alt);
}

.faq-list {
    max-width: 768px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    background: var(--card-bg);
    overflow: hidden;
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    font-size: 1.0625rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    list-style: none;
    transition: background 0.2s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    background: var(--primary-light);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.9375rem;
}

/* ===== 7. Contact ===== */
.contact {
    padding: 96px 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 640px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-group label small {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
}

.form-group input,
.form-group textarea,
.form-group select {
    font-family: var(--font);
    font-size: 0.9375rem;
    padding: 12px 16px;
    border: none;
    border-bottom: 2px solid var(--border);
    background: var(--section-alt);
    border-radius: 8px 8px 0 0;
    outline: none;
    transition: border-color 0.2s;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.input-error {
    display: none;
    margin-top: 6px;
    color: #dc3545;
    font-size: 0.8125rem;
}

.form-response {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.form-response.success {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #C8E6C9;
}

.form-response.error {
    background: #FFEBEE;
    color: #C62828;
    border: 1px solid #FFCDD2;
}

.form-submit {
    background: var(--accent-gradient);
    color: #fff;
    padding: 14px 40px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    align-self: center;
    font-family: var(--font);
}

.form-submit:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 25px rgba(13, 115, 119, 0.4);
}

.form-submit:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}