/* ========================================
   CHABCHEV TECH CREATIONS - STYLES
   Modern, Production-Ready CSS
   ======================================== */

/* CSS Variables */
:root {
    --primary-blue: #135fa2;
    --primary-green: #7ebe4e;
    --text-primary: #383a3c;
    --text-light: #ffffff;
    --text-muted: #6b7280;
    --bg-dark: #0a0a0a;
    --bg-light: #ffffff;
    --bg-section: #f8f9fa;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    --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);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
}

img, video {
    max-width: 100%;
    display: block;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav.scrolled .nav-container {
    padding: 1rem 5%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    transition: var(--transition);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.nav-link {
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    position: relative;
    transition: var(--transition);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 28px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

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

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* For iframe specifically */
/*
.hero-video-container iframe.hero-video {
    width: 100vw;
    height: 56.25vw; // 16:9 Aspect Ratio 
    min-height: 100vh;
    min-width: 177.77vh; // 16:9 Aspect Ratio 
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    pointer-events: none;
    object-fit: cover;
}
*/

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(19, 95, 162, 0.88) 0%, 
        rgba(126, 190, 78, 0.75) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 1000px;
    padding: 2rem;
    color: var(--text-light);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.75rem);
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.95;
}

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

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2.5rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--text-light);
    color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: float 2s ease-in-out infinite;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
}

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

.section {
    padding: 7rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

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

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

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.solution-card {
    background: var(--bg-light);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
}

.solution-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.solution-image img {
    transform: scale(1.05);
}

/* For icon fallback (Coming Soon card) */
.solution-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.solution-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* For actual images */
.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.solution-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.solution-content {
    padding: 2rem;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.solution-content p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.solution-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.solution-tech span {
    padding: 0.4rem 1rem;
    background: rgba(126, 190, 78, 0.1);
    color: var(--primary-green);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ========================================
   EXPERTISE SECTION
   ======================================== */

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

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.expertise-card {
    padding: 3rem 2rem;
    background: var(--bg-section);
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.expertise-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.expertise-card:hover::before {
    height: 100%;
}

.expertise-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.expertise-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.expertise-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

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

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

.contact-info h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-tagline {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.8;
}

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

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(126, 190, 78, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    display: block;
    margin-bottom: 0.25rem;
}

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

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: var(--text-light);
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    background: rgba(255, 255, 255, 0.08);
}

.form-group label {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    transition: var(--transition);
    font-size: 1rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group select:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group select:valid + label {
    top: -0.75rem;
    left: 1rem;
    font-size: 0.85rem;
    background: var(--bg-dark);
    padding: 0 0.5rem;
    color: var(--primary-green);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: transparent;
}

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

.form-group select {
    cursor: pointer;
}

/* Fix select dropdown options visibility */
.form-group select option {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 0.75rem;
}

.form-group select option:hover,
.form-group select option:focus,
.form-group select option:checked {
    background: var(--primary-green);
    color: var(--text-light);
}

/* For better browser compatibility */
.form-group select {
    color: var(--text-light);
    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 fill='%23ffffff' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    background: var(--gradient-primary);
    color: var(--text-light);
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(126, 190, 78, 0.4);
}

.btn-submit svg {
    transition: var(--transition);
}

.btn-submit:hover svg {
    transform: translateX(4px);
}

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

.footer {
    background: #000;
    color: var(--text-light);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    font-weight: 500;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ========================================
   FOOTER CREDIT - Engineered by TAWANDA RONALD MUNYANYI
   ======================================== */

.footer-credit {
    margin-top: 0.6rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-credit span {
    margin-right: 4px;
}

/* Tawanda Ronald Munyanyi Link Styling */
.trm-link {
    position: relative;
    font-weight: 600;
    text-decoration: none;
    color: var(--primary-green);
    transition: var(--transition);
}

/* Glow + lift micro-animation */
.trm-link:hover {
    color: var(--primary-blue);
    text-shadow: 
        0 0 8px rgba(126, 190, 78, 0.6),
        0 0 16px rgba(19, 95, 162, 0.4);
    transform: translateY(-2px);
}

/* Animated gradient underline */
.trm-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0%;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.4s ease;
}

.trm-link:hover::after {
    width: 100%;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-15px);
    }
}

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

@media (max-width: 1024px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-light);
        flex-direction: column;
        padding: 6rem 2rem;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        justify-content: flex-start;
        align-items: flex-start;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 3rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .solutions-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem 5%;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-info h2 {
        font-size: 2rem;
    }
}