/* ========================================
   RegX Corporate Website Styles
   Brand Colors: Black & Orange
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #FF6B00;
    --color-primary-dark: #E55A00;
    --color-primary-light: #FF8533;
    --color-black: #0A0A0A;
    --color-dark: #1A1A1A;
    --color-gray-dark: #333333;
    --color-gray: #666666;
    --color-gray-light: #999999;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;

    --font-display: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-black);
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -1px;
}

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

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-gray);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-black);
}

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition-base);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 0, 0.3);
}

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

.btn-secondary:hover {
    background: var(--color-black);
    color: var(--color-white);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-light) 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(40px, 5vw, 64px);
    margin-bottom: 24px;
    line-height: 1.1;
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--color-gray);
    margin-bottom: 40px;
    max-width: 480px;
}

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

/* Hero Visual/Graphic */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
}

.graphic-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--color-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.graphic-card {
    position: absolute;
    background: var(--color-white);
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 14px;
}

.graphic-card .card-icon {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.card-1 {
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
}

.card-2 {
    bottom: 60px;
    left: 0;
}

.card-3 {
    bottom: 60px;
    right: 0;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 120px 0;
    background: var(--color-white);
}

.section-title {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: var(--color-white);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

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

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 100px 0;
    background: var(--color-black);
    text-align: center;
}

.cta h2 {
    color: var(--color-white);
    font-size: 36px;
    margin-bottom: 16px;
}

.cta p {
    color: var(--color-gray-light);
    font-size: 18px;
    margin-bottom: 32px;
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--color-gray);
}

/* ========================================
   About Page
   ======================================== */
.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--color-gray);
    margin-bottom: 16px;
    font-size: 17px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--color-light);
    border-radius: var(--radius-lg);
}

.stat-icon {
    font-size: 32px;
}

.stat-label {
    font-weight: 600;
    font-size: 16px;
}

/* What We Do */
.what-we-do {
    padding: 80px 0;
    background: var(--color-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--color-gray);
    font-size: 15px;
}

/* Why RegX */
.why-regx {
    padding: 80px 0;
}

.why-content {
    max-width: 700px;
    margin: 0 auto;
}

.why-content h2 {
    font-size: 32px;
    margin-bottom: 32px;
    text-align: center;
}

.why-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.why-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 17px;
}

.check {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

/* ========================================
   Contact Page
   ======================================== */
.contact-content {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-gray);
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    font-size: 16px;
    color: var(--color-black);
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-light);
    padding: 48px;
    border-radius: var(--radius-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-black);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background: var(--color-white);
    font-family: var(--font-body);
    font-size: 15px;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-dark);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 8px;
    display: inline-block;
}

.footer-brand p {
    color: var(--color-gray);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--color-gray-light);
    font-size: 14px;
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 13px;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto 40px;
    }

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

    .hero-visual {
        display: none;
    }

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

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

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

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

    .section-title {
        font-size: 32px;
    }

    .page-header h1 {
        font-size: 36px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .cta h2 {
        font-size: 28px;
    }
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature-card,
.service-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.3s; }
.feature-card:nth-child(5) { animation-delay: 0.4s; }
.feature-card:nth-child(6) { animation-delay: 0.5s; }