/* ============================================
   Shashikala Technology - Professional Styles
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --background-light: #f8fafc;
    --background-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --gradient-primary: linear-gradient(135deg, #1a56db 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

p {
    text-align: left;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

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

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

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

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

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    max-height: 40px;
    width: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

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

.nav-link.btn-primary {
    color: white;
    padding: 10px 20px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--secondary-color);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--gradient-dark);
    color: white;
    overflow: hidden;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.orbit {
    position: absolute;
    border: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: 50%;
}

.orbit-1 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 20s linear infinite;
}

.orbit-2 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 30s linear infinite reverse;
}

.orbit-3 {
    width: 380px;
    height: 380px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: rotate 40s linear infinite;
}

.core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 0 60px rgba(6, 182, 212, 0.5);
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        order: -1;
    }

    .ai-graphic {
        width: 280px;
        height: 280px;
    }

    .orbit-1 { width: 140px; height: 140px; }
    .orbit-2 { width: 200px; height: 200px; }
    .orbit-3 { width: 260px; height: 260px; }
    .core { width: 70px; height: 70px; font-size: 1.5rem; }
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(26, 86, 219, 0.1);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
}

.section-badge-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: 16px;
}

.ai-advocate-logo {
    max-width: 100px;
    height: auto;
    margin: 0;
}

.section-highlight {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 16px;
}

.tagline {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--accent-color);
    margin-top: 8px;
}

/* AI Advocate Section */
.ai-advocate {
    background: var(--background-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

@media (max-width: 968px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Platform Section */
.platform {
    background: white;
}

.sovereignty-section {
    background: var(--background-light);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 60px;
}

.sovereignty-section h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.sovereignty-section p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.benefit-card {
    background: var(--background-light);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
}

.benefit-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.benefit-card h4 {
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.benefit-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Technology Section */
.technology {
    background: var(--gradient-dark);
    color: white;
}

.technology .section-badge {
    background: rgba(6, 182, 212, 0.2);
    color: var(--accent-color);
}

.technology h2,
.technology h3,
.technology h4 {
    color: white;
}

.technology .section-description {
    color: rgba(255, 255, 255, 0.8);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.tech-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-card h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--accent-color);
}

.tech-card p {
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 968px) {
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.features-detailed {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 60px;
}

.features-detailed h3 {
    margin-bottom: 32px;
    text-align: center;
}

.feature-section {
    margin-bottom: 32px;
}

.feature-section:last-child {
    margin-bottom: 0;
}

.feature-section h4 {
    color: var(--accent-color);
    margin-bottom: 16px;
}

.feature-section ul {
    list-style: none;
}

.feature-section li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.feature-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.feature-section code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.875rem;
}

/* Ideal For Section */
.ideal-for {
    text-align: center;
}

.ideal-for h3 {
    margin-bottom: 40px;
}

.ideal-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.ideal-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 32px 24px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.ideal-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.ideal-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.ideal-card h4 {
    margin-bottom: 12px;
    font-size: 1.125rem;
}

.ideal-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

@media (max-width: 968px) {
    .ideal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .ideal-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* About Section */
.about {
    background: var(--background-light);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro,
.about-overview {
    margin-bottom: 48px;
}

.about-intro h3,
.about-overview h3 {
    margin-bottom: 16px;
    color: var(--primary-color);
}

.about-intro p,
.about-overview p {
    color: var(--text-light);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 48px;
}

.mission,
.vision {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.mission h3,
.vision h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.mission p,
.vision p {
    color: var(--text-light);
}

@media (max-width: 768px) {
    .mission-vision {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.core-values h3 {
    text-align: center;
    margin-bottom: 40px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background: white;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.value-card h4 {
    margin-bottom: 12px;
    color: var(--secondary-color);
}

.value-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .values-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    text-align: center;
    color: white;
}

.cta-content h2 {
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.cta-tagline {
    opacity: 0.9;
    margin-bottom: 32px;
}

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

.cta-section .btn-primary:hover {
    background: var(--secondary-color);
    color: white;
}

/* Contact Section */
.contact {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    margin-bottom: 32px;
    color: var(--secondary-color);
}

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

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

.contact-icon {
    font-size: 1.5rem;
}

.contact-item strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.contact-form-wrapper {
    background: var(--background-light);
    padding: 40px;
    border-radius: var(--border-radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* Clean White Footer (Matches index.html) */
.footer {
    background: #ffffff;
    color: #475569;
    border-top: 1px solid #e2e8f0;
    padding: 36px 0 24px;
    font-size: 0.75rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-logo-lockup {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.footer-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.footer-title {
    font-weight: 800;
    color: #0f172a;
    font-size: 0.875rem;
}

.footer-desc {
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 10px;
    font-size: 0.75rem;
}

.footer-accreditations {
    color: #1d4ed8;
    font-family: monospace;
    font-weight: 600;
    font-size: 0.6875rem;
}

.footer-column h4.footer-heading {
    font-size: 0.6875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.footer-column h4.footer-heading.emerald {
    color: #065f46;
}

.footer-column h4.footer-heading.blue {
    color: #1e40af;
}

.footer-column h4.footer-heading.slate {
    color: #0f172a;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-column a {
    color: #475569;
    font-size: 0.75rem;
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer-column a:hover {
    color: #1d4ed8;
}

.footer-video-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.yt-icon {
    width: 14px;
    height: 14px;
    fill: #dc2626;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid #e2e8f0;
    padding-top: 18px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    color: #64748b;
    font-size: 0.6875rem;
}

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

.footer-bottom-links a {
    color: #64748b;
    text-decoration: none;
}

.footer-bottom-links a:hover {
    text-decoration: underline;
}

@media (max-width: 968px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 600px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Legal Pages Styles */
.legal-page {
    padding-top: 100px;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.legal-content h1 {
    margin-bottom: 40px;
    color: var(--secondary-color);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: 32px;
    margin-bottom: 16px;
}

.legal-content p {
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.8;
}

.legal-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.legal-content li {
    color: var(--text-light);
    margin-bottom: 8px;
    list-style: disc;
}

.legal-content strong {
    color: var(--secondary-color);
}

.legal-content a {
    color: var(--primary-color);
}

.legal-content .last-updated {
    font-style: italic;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }