/* ===================================
   GROX Consulting - Professional Design
   Modern, Clean, Consulting Website
   =================================== */

/* ===================================
   CSS RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-blue: #1E3A8A;
    --primary-green: #10B981;
    --accent-green: #34D399;
    --dark: #111827;
    --dark-gray: #1F2937;
    --medium-gray: #6B7280;
    --light-gray: #F3F4F6;
    --white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 17px;
    line-height: 1.8;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

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

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    text-decoration: none;
}

.logo-link {
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
    align-items: center;
}

.logo-grox {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 30pt;
    background: linear-gradient(135deg, #0A1F44 0%, #1E3A8A 50%, #2563EB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
}

.logo-consultancy {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 8pt;
    color: #8B92A0;
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
}

.nav-logo a:hover .logo-grox {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: var(--transition);
}

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

.nav-cta {
    background: var(--primary-green);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #2563EB 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: rgba(16, 185, 129, 0.1);
    clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--primary-green);
    display: block;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.9;
    margin-bottom: 3rem;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.hero-stats {
    display: flex;
    gap: 4rem;
    margin-top: 5rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* ===================================
   SECTION STYLES
   =================================== */
.section-header {
    text-align: center;
    max-width: 750px;
    margin: 0 auto 5rem;
}

.section-tag {
    display: inline-block;
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.2rem;
    color: var(--medium-gray);
    line-height: 1.9;
    font-weight: 400;
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: 7rem 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.service-description {
    color: var(--medium-gray);
    margin-bottom: 2rem;
    line-height: 1.8;
    font-size: 1.05rem;
}

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

.service-list li {
    color: var(--dark);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
}

.service-list i {
    color: var(--primary-green);
    font-size: 0.9rem;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: 7rem 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-description {
    font-size: 1.15rem;
    color: var(--medium-gray);
    line-height: 1.9;
    margin-bottom: 3rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary-green);
}

.feature-content h4 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--medium-gray);
    line-height: 1.7;
}

.about-image {
    height: 500px;
    background: var(--light-gray);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1rem;
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--primary-green);
    opacity: 0.3;
}

.image-placeholder p {
    color: var(--medium-gray);
    font-size: 1.25rem;
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process {
    padding: 7rem 0;
    background: var(--white);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.process-step {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 16px;
    position: relative;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.step-number {
    display: inline-block;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), #2563EB);
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.step-description {
    color: var(--medium-gray);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: 7rem 0;
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-description {
    font-size: 1.15rem;
    color: var(--medium-gray);
    line-height: 1.9;
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.25rem;
    color: var(--primary-green);
}

.contact-item h4 {
    font-size: 1rem;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

.contact-item a,
.contact-item p {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.1rem 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 1.05rem;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.btn-full {
    width: 100%;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--white);
    color: var(--dark);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo .logo-text {
    margin-bottom: 0.5rem;
}

.footer-desc {
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--light-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.social-link:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    border-color: var(--primary-green);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-green);
    padding-left: 5px;
}

.footer-contact li {
    color: var(--medium-gray);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact i {
    color: var(--primary-green);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    text-align: center;
    color: var(--medium-gray);
}

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

/* Tablet */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

/* Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
        margin-bottom: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .section-title {
        font-size: 2.25rem;
        margin-bottom: 1.5rem;
    }
    
    .services-grid,
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .logo-grox {
        font-size: 20pt;
    }
    
    .logo-consultancy {
        font-size: 6pt;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .service-card,
    .process-step,
    .contact-form {
        padding: 2rem;
    }
}