/* ===================================
   Context.ai - Contact Page
   Premium Enterprise Contact Form
   =================================== */

:root {
    --blue-50: #eff6ff;
    --blue-100: #dbeafe;
    --blue-200: #bfdbfe;
    --blue-300: #93c5fd;
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --blue-700: #1d4ed8;
    --blue-800: #1e40af;
    
    --green-50: #d1fae5;
    --green-500: #10b981;
    
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --spacing: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    padding: calc(var(--spacing) * 2.5) 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing) * 4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 1.5);
    text-decoration: none;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 4);
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--blue-600);
}

/* ===================================
   Contact Section
   =================================== */

.contact-section {
    min-height: 100vh;
    padding: calc(var(--spacing) * 15) calc(var(--spacing) * 4) calc(var(--spacing) * 10);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 50%, var(--blue-50) 100%);
}

.contact-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: calc(var(--spacing) * 10);
    align-items: start;
}

/* ===================================
   Left Side: Brain Motif & Info
   =================================== */

.contact-left {
    position: sticky;
    top: calc(var(--spacing) * 15);
}

.brain-visual {
    width: 300px;
    height: 300px;
    margin: 0 auto calc(var(--spacing) * 5);
    animation: brainFloat 8s ease-in-out infinite;
}

@keyframes brainFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.elegant-brain {
    width: 100%;
    height: 100%;
}

.ring {
    animation: ringPulse 4s ease-in-out infinite;
}

.ring-1 { animation-delay: 0s; }
.ring-2 { animation-delay: 0.5s; }
.ring-3 { animation-delay: 1s; }

@keyframes ringPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.node {
    animation: nodeGlow 3s ease-in-out infinite;
}

@keyframes nodeGlow {
    0%, 100% { opacity: 0.5; r: 8px; }
    50% { opacity: 1; r: 10px; }
}

.conn-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: pathDraw 6s ease-in-out infinite;
}

@keyframes pathDraw {
    0%, 100% { stroke-dashoffset: 200; opacity: 0.1; }
    50% { stroke-dashoffset: 0; opacity: 0.4; }
}

/* Contact Info */
.contact-info {
    text-align: center;
}

.contact-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: calc(var(--spacing) * 2);
    letter-spacing: -0.02em;
}

.contact-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: calc(var(--spacing) * 5);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Info Cards */
.info-cards {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2.5);
}

.info-card {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 2);
    background: var(--white);
    padding: calc(var(--spacing) * 3);
    border-radius: 16px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.info-card:hover {
    border-color: var(--blue-300);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-50);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-600);
    flex-shrink: 0;
}

.card-content {
    flex: 1;
    text-align: left;
}

.card-label {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.card-value {
    font-size: 16px;
    color: var(--gray-900);
    font-weight: 600;
}

/* ===================================
   Right Side: Contact Form
   =================================== */

.contact-right {
    background: var(--white);
    border-radius: 24px;
    padding: calc(var(--spacing) * 6);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 3);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 1);
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    letter-spacing: 0.02em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    color: var(--gray-900);
    transition: all 0.3s ease;
    background: var(--white);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--blue-500);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 140px;
}

.form-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--blue-600) 0%, var(--blue-800) 100%);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing) * 1.5);
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.3);
    margin-top: calc(var(--spacing) * 2);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -10px rgba(59, 130, 246, 0.4);
}

.form-submit:active {
    transform: translateY(0);
}

.form-submit.loading {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-icon {
    transition: transform 0.3s ease;
}

.form-submit:hover .submit-icon {
    transform: translateX(4px);
}

.form-note {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 1);
    font-size: 13px;
    color: var(--gray-500);
    margin-top: calc(var(--spacing) * 1);
}

.form-note svg {
    flex-shrink: 0;
    color: var(--blue-500);
}

/* Success Message */
.success-message {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: calc(var(--spacing) * 4);
}

.success-message.show {
    display: flex;
}

.success-icon {
    margin-bottom: calc(var(--spacing) * 3);
    animation: successPop 0.6s ease-out;
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: calc(var(--spacing) * 1.5);
}

.success-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: calc(var(--spacing) * 4);
    max-width: 400px;
}

.success-button {
    background: var(--white);
    color: var(--blue-600);
    border: 2px solid var(--blue-600);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.success-button:hover {
    background: var(--blue-50);
}

/* ===================================
   Additional Info Section
   =================================== */

.additional-info {
    padding: calc(var(--spacing) * 12) calc(var(--spacing) * 4);
    background: var(--white);
}

.info-container {
    max-width: 1200px;
    margin: 0 auto;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing) * 4);
}

.info-block {
    padding: calc(var(--spacing) * 5);
    background: var(--gray-50);
    border-radius: 20px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.info-block:hover {
    background: var(--white);
    border-color: var(--blue-300);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.info-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: calc(var(--spacing) * 2);
}

.info-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: calc(var(--spacing) * 3);
}

.info-link {
    display: inline-flex;
    align-items: center;
    color: var(--blue-600);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.info-link:hover {
    color: var(--blue-700);
    transform: translateX(4px);
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 1200px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing) * 6);
    }
    
    .contact-left {
        position: relative;
        top: 0;
    }
    
    .brain-visual {
        width: 250px;
        height: 250px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.active) {
        display: none;
    }
    
    .contact-title {
        font-size: 36px;
    }
    
    .contact-right {
        padding: calc(var(--spacing) * 4);
    }
    
    .brain-visual {
        width: 200px;
        height: 200px;
    }
}

/* ===================================
   Form Validation States
   =================================== */

.form-input.error,
.form-textarea.error {
    border-color: #ef4444;
}

.form-input.success,
.form-textarea.success {
    border-color: var(--green-500);
}

.error-message {
    font-size: 13px;
    color: #ef4444;
    margin-top: 4px;
}

/* ===================================
   Animations
   =================================== */

.contact-form {
    opacity: 0;
    transform: translateY(30px);
    animation: formSlideIn 0.8s ease-out 0.3s forwards;
}

@keyframes formSlideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.info-card {
    opacity: 0;
    transform: translateX(-20px);
}

.info-card:nth-child(1) {
    animation: cardSlideIn 0.6s ease-out 0.4s forwards;
}

.info-card:nth-child(2) {
    animation: cardSlideIn 0.6s ease-out 0.6s forwards;
}

.info-card:nth-child(3) {
    animation: cardSlideIn 0.6s ease-out 0.8s forwards;
}

@keyframes cardSlideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}