/**
 * SuperTech Premium Website - Master CSS
 * Brand Colors: Trust Navy (#020066) & Innovation Red (#E3124C)
 */

:root {
    --primary: #020066;           /* Deep Trust Navy */
    --primary-light: #01004a;     /* Darker Navy for hover */
    --accent: #E3124C;            /* Dynamic Innovation Red */
    --accent-light: #c9102a;      /* Darker Red for hover */
    --text: #1a1a1a;              /* Main text */
    --text-light: #555555;        /* Secondary text */
    --bg: #ffffff;                /* White background */
    --light-bg: #f4f4f4;          /* Light gray background */
    --border: #e0e0e0;            /* Border color */
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    letter-spacing: 0.3px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 3rem;
    letter-spacing: -1px;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.6rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent);
}

/* ============================================
   CONTAINER & GRID UTILITIES
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.section.light-bg {
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

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

.btn {
    display: inline-block;
    padding: 0.9rem 1.8rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-cta {
    background-color: var(--accent);
    color: white;
    padding: 0.8rem 1.8rem;
    border: 2px solid var(--accent);
}

.btn-cta:hover {
    background-color: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    display: block;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent);
    transition: var(--transition);
}

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

.nav-menu .btn-cta {
    border: none;
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        text-align: center;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #001a99 100%);
    color: white;
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn-cta {
    background-color: var(--accent);
}

.hero-buttons .btn-outline {
    color: white;
    border-color: white;
}

.hero-buttons .btn-outline:hover {
    background-color: white;
    color: var(--primary);
}

/* ============================================
   SERVICES/SOLUTIONS SECTION
   ============================================ */

.service-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    margin-bottom: 1.5rem;
}

.service-card .btn-cta {
    margin-top: 1rem;
}

/* ============================================
   FEATURES/STATS SECTION
   ============================================ */

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    color: var(--accent);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-light);
    font-size: 1rem;
}

/* ============================================
   CALL-TO-ACTION SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--accent) 0%, #a80820 100%);
    color: white;
    padding: 5rem 2rem;
    text-align: center;
    border-radius: 10px;
    margin: 4rem 0;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

/* ============================================
   FORM STYLES
   ============================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 0, 102, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

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

/* ============================================
   CARD & CONTENT BLOCKS
   ============================================ */

.card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.card.highlight {
    border-color: var(--accent);
    border-width: 2px;
}

.badge {
    display: inline-block;
    background-color: var(--light-bg);
    color: var(--primary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.badge.accent {
    background-color: rgba(227, 18, 76, 0.1);
    color: var(--accent);
}

/* ============================================
   FOOTER
   ============================================ */

footer {
    background-color: var(--primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    display: block;
}

.footer-section a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

.text-accent {
    color: var(--accent);
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }

.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }

.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }

.opacity-50 {
    opacity: 0.5;
}

.hidden {
    display: none;
}

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

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .hero {
        padding: 5rem 1rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .section {
        padding: 3rem 0;
    }

    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    p {
        font-size: 0.95rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }
}