/* ===============================
   GLOBAL STYLES
================================= */

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #F5F5F7;
    color: #171836;
    line-height: 1.6;
}

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

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: #171836;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    color: #F5F5F7;
}

.logo-img {
    height: 35px;
    width: auto;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.navbar a {
    text-decoration: none;
    color: #CFCFD6;
    font-weight: 500;
    transition: 0.3s;
}

.navbar a:hover,
.navbar a.active {
    color: #F04C63;
}

/* ===============================
   HERO SECTIONS (ALL PAGES)
================================= */

.hero,
.about-hero,
.product-hero,
.tech-hero,
.research-hero,
.founder-hero,
.contact-hero {
    height: 60vh;
    background: linear-gradient(to right, #171836, #1F2045);
    color: #F5F5F7;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.hero {
    height: 90vh;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
}

.hero-content h2 {
    font-size: 22px;
    margin: 10px 0;
    font-weight: 400;
    color: #CFCFD6;
}

.hero-content p {
    max-width: 650px;
    margin: 20px auto;
    color: #CFCFD6;
}

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

.btn-primary,
.btn-secondary {
    padding: 12px 25px;
    margin: 10px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.3s ease;
}

.btn-primary {
    background-color: #F04C63;
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: #d93c52;
}

.btn-secondary {
    border: 2px solid #F04C63;
    color: #F04C63;
}

.btn-secondary:hover {
    background-color: #F04C63;
    color: #FFFFFF;
}

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

section {
    padding: 80px 8%;
}

.container {
    max-width: 1100px;
    margin: auto;
}

h2 {
    margin-bottom: 20px;
    font-size: 28px;
}

/* ===============================
   CARDS (COMMON STYLE)
================================= */

.card,
.mv-card,
.step-card,
.feature-card,
.innovation-card,
.research-card,
.roadmap-step {
    background: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: 0.3s ease;
}

.card:hover,
.mv-card:hover,
.step-card:hover,
.feature-card:hover,
.innovation-card:hover,
.research-card:hover {
    transform: translateY(-6px);
}

/* ===============================
   GRID SYSTEMS
================================= */

.card-container,
.steps-grid,
.features-grid,
.innovation-grid,
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

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

.mission-vision,
.tech-section,
.roadmap-section,
.vision-section {
    background: #EFEFF5;
}

.applications {
    background: #F5F5F7;
}

.application-list {
    margin-top: 30px;
    list-style: none;
}

.application-list li {
    padding: 12px 0;
    font-weight: 500;
    border-bottom: 1px solid #E0E0E8;
}

/* ===============================
   ROADMAP ACCENT
================================= */

.roadmap-step {
    border-left: 5px solid #F04C63;
}

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

.founder-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
}

.founder-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.founder-content h4 {
    margin: 10px 0 20px 0;
    color: #F04C63;
    font-weight: 600;
}

/* ===============================
   CONTACT PAGE
================================= */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 6px;
    border: 1px solid #D6D6DF;
    font-family: 'Inter', sans-serif;
}

.contact-form button {
    width: 100%;
    cursor: pointer;
}

.form-message {
    margin-top: 15px;
    font-weight: 500;
    color: #F04C63;
}

/* ===============================
   CREDIBILITY & FOOTER
================================= */

.credibility,
footer {
    background: #171836;
    color: #F5F5F7;
    text-align: center;
    padding: 25px;
}

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

@media (max-width: 900px) {
    .founder-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-content h1 {
        font-size: 36px;
    }
}