/* ===========================
   Silicon Steel Software
   Web Styles
   =========================== */

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

:root {
    /* Bold Color Scheme - Black, White, Neon Green */
    --black: #000000;
    --white: #FFFFFF;
    --off-white: #FAFAFA;
    --neon: #00FF41;                /* Electric neon green */
    --dark-gray: #1A1A1A;
    --light-gray: #F5F5F5;
    --mid-gray: #666666;

    /* Typography */
    --font-family: 'Inter', Arial, sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;

    /* Transitions */
    --transition-speed: 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--white);
    color: var(--black);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #FFFFFF;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.nav.hidden {
    transform: translateY(-100%);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    gap: 24px;
}

.nav-logo img {
    height: 48px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
    margin-right: auto;
    margin-left: 48px;
}

.nav-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-speed);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--neon);
    transition: width var(--transition-speed);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--neon);
    color: var(--black);
    border-color: var(--neon);
}

.btn-primary:hover {
    background: var(--black);
    color: var(--neon);
    border-color: var(--neon);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 255, 65, 0.4);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 80px 24px;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-title-line {
    display: block;
    overflow: hidden;
}

.hero-title-line::after {
    content: '';
    display: block;
    height: 4px;
    width: 60px;
    background: var(--neon);
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--mid-gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

.hero-visual {
    position: relative;
    height: 600px;
}

.hero-visual-grid {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-visual-grid::before {
    content: '';
    position: absolute;
    top: 20%;
    right: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.hero-visual-grid::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 15%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.08) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

/* Section Styles */
.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: 48px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--mid-gray);
    line-height: 1.7;
}

/* Services Section */
.services {
    background: #FFFFFF;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background: #FFFFFF;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    margin-bottom: 24px;
    transition: all var(--transition-speed);
}

.service-card:hover .service-icon {
    background: var(--neon);
    color: var(--black);
    transform: scale(1.1);
}

.service-title {
    font-size: 24px;
    margin-bottom: 16px;
}

.service-description {
    color: var(--mid-gray);
    line-height: 1.7;
}

/* Approach Section */
.approach {
    background: var(--light-gray);
}

.approach-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    position: relative;
}

.approach-step {
    position: relative;
}

.approach-step-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--neon);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 16px;
}

.approach-step-title {
    font-size: 24px;
    margin-bottom: 12px;
}

.approach-step-description {
    color: var(--mid-gray);
    line-height: 1.7;
}

/* Impact Section */
.impact {
    background: var(--black);
    color: var(--white);
}

.impact .section-title,
.impact .section-subtitle {
    color: var(--white);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
}

.impact-stat {
    text-align: center;
    padding: 40px 20px;
}

.impact-stat-number {
    font-size: 72px;
    font-weight: 700;
    color: var(--neon);
    margin-bottom: 12px;
    line-height: 1;
}

.impact-stat-label {
    font-size: 18px;
    color: var(--white);
}

/* Contact Section */
.contact {
    background: #FFFFFF;
}

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

.contact-title {
    font-size: 42px;
    margin-bottom: 24px;
}

.contact-description {
    font-size: 18px;
    color: var(--mid-gray);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--mid-gray);
}

.contact-info-item svg {
    color: var(--neon);
    flex-shrink: 0;
}

/* Form Styles */
.contact-form {
    background: #FFFFFF;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 24px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #D9D9D9;
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 15px;
    transition: all var(--transition-speed);
    background: var(--white);
}

.form-input:focus {
    outline: none;
    border-color: var(--neon);
    box-shadow: 0 0 0 4px rgba(0, 255, 65, 0.1);
}

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

/* Footer */
.footer {
    background: var(--black);
    padding: 48px 0;
    color: var(--white);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-logo img {
    height: 48px;
    width: auto;
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--white);
    transition: all var(--transition-speed);
}

.footer-social-link:hover {
    color: var(--neon);
    transform: translateY(-2px);
}

.footer-text {
    color: var(--mid-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }

    .section-title {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: var(--section-padding-mobile);
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-speed);
        margin: 0;
    }

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

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

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

    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 48px 24px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-visual {
        height: 300px;
    }

    .section-title {
        font-size: 36px;
    }

    .section-subtitle {
        font-size: 18px;
    }

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

    .approach-timeline {
        grid-template-columns: 1fr;
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .impact-stat-number {
        font-size: 56px;
    }

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

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

    .section-title {
        font-size: 28px;
    }

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

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}