/* Ross Dynamics - Main Stylesheet */

:root {
    --red: #bb0103;
    --blue: #1207a3;
    --dark-bg: #0a0a0f;
    --card-bg: #12121a;
    --card-border: #1e1e2a;
    --text-primary: #f0f0f5;
    --text-secondary: #8a8a9a;
    --gradient-red: linear-gradient(135deg, #bb0103 0%, #8a0102 100%);
    --gradient-blue: linear-gradient(135deg, #1207a3 0%, #0d0570 100%);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    background:
        linear-gradient(to bottom,
            rgba(10, 10, 15, 0) 0px,
            rgba(10, 10, 15, 0) 60vh,
            rgba(10, 10, 15, 1) 100vh
        ),
        linear-gradient(rgba(10, 10, 15, 0.35), rgba(10, 10, 15, 0.35)),
        url('../assets/main_back.webp') center center / cover no-repeat fixed;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.content-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0;
}

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

/* Header */
header {
    padding: 30px 0 10px;
    text-align: center;
    position: relative;
}

.logo-wrapper {
    position: relative;
    display: inline-block;
}

.logo {
    max-width: 400px;
    height: auto;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero {
    padding: 30px 0 40px;
    text-align: center;
}

.tagline {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* Services Section */
.services {
    padding: 0 0 20px;
}

.section-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--red);
    margin-bottom: 16px;
}

.section-heading {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 600;
    margin-bottom: 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (min-width: 601px) and (max-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 20px 24px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--red);
}

.service-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-card h3 .icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-red);
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    padding-top: 1px;
}

.service-card.blue h3 .icon {
    background: var(--gradient-blue);
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: var(--text-secondary);
    padding: 5px 0;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.85rem;
}

.service-card li:last-child {
    border-bottom: none;
}

/* Footer */
footer {
    padding: 28px 0;
    border-top: 1px solid var(--card-border);
    text-align: center;
    margin-top: auto;
}

footer p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Navigation */
.site-nav {
    text-align: right;
    margin-bottom: 10px;
    font-family: 'Orbitron', 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--red);
}

.nav-sep {
    color: var(--card-border);
    margin: 0 8px;
}

.nav-current {
    color: var(--text-primary);
}

/* Contact Page */
.contact-section {
    padding: 10px 0 40px;
    text-align: center;
}

.contact-heading {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.contact-sub {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 36px;
}

.contact-form-card {
    max-width: 680px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(60, 60, 80, 0.4);
    border-radius: 10px;
    padding: 40px 36px;
    text-align: left;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

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

.contact-form .form-group:last-child:not(.form-row .form-group) {
    margin-bottom: 36px;
}

.contact-form label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #c0c0cc;
    margin-bottom: 8px;
}

.contact-form label .optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.8rem;
    opacity: 0.6;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    background: rgba(8, 8, 14, 0.7);
    border: 1px solid rgba(100, 100, 130, 0.6);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'Open Sans', sans-serif;
    font-size: 0.95rem;
    padding: 12px 16px;
    transition: border-color 0.2s ease;
    outline: none;
    width: 100%;
}

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

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(138, 138, 154, 0.5);
}

.contact-form select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%238a8a9a'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
    cursor: pointer;
}

.contact-form select option {
    background: var(--card-bg);
    color: var(--text-primary);
}

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

.submit-btn {
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #fff;
    background: var(--gradient-red);
    border: none;
    border-radius: 6px;
    width: 300px;
    padding: 14px 0;
    margin-top: 12px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Success Banner */
.success-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: linear-gradient(135deg, #0d6e3a 0%, #0a5a2f 100%);
    color: #fff;
    text-align: center;
    padding: 14px 24px;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    transition: opacity 0.4s ease;
}

/* Responsive */
@media (max-width: 600px) {
    header {
        padding: 40px 0 20px;
    }

    .hero {
        padding: 30px 0 40px;
    }

    .services {
        padding: 0 0 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        padding: 24px;
    }

    .service-card li {
        padding: 8px 0;
        font-size: 0.9rem;
    }

    .logo {
        max-width: 280px;
    }

    footer {
        padding: 30px 0;
    }

    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-form-card {
        padding: 28px 20px;
    }
}