/* ========================================
   Tonixi Website - Main Stylesheet
   ======================================== */

/* CSS Variables for Modern Design System */
:root {
    /* Modern Color Palette - Clean & Professional */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #8b5cf6;
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Background Colors - Softer Dark Theme */
    --color-bg-primary: #0a0e27;
    --color-bg-secondary: #111827;
    --color-bg-tertiary: #1f2937;
    --color-bg-card: rgba(31, 41, 55, 0.6);
    --color-bg-card-hover: rgba(31, 41, 55, 0.8);

    /* Border Colors */
    --color-border: rgba(75, 85, 99, 0.3);
    --color-border-light: rgba(107, 114, 128, 0.4);
    --color-border-hover: rgba(99, 102, 241, 0.5);

    /* Text Colors */
    --color-text-primary: #f9fafb;
    --color-text-secondary: #e5e7eb;
    --color-text-muted: #9ca3af;
    --color-text-disabled: #6b7280;

    /* Gradients - Modern & Subtle */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-hero: linear-gradient(180deg, #0a0e27 0%, #111827 50%, #1f2937 100%);

    /* Typography */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Shadows - Softer & Modern */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-glow-hover: 0 0 30px rgba(99, 102, 241, 0.5);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

/* ========================================
   Base Styles
   ======================================== */

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

body {
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */

.font-sans {
    font-family: var(--font-sans);
}

.font-mono {
    font-family: var(--font-mono);
}

/* ========================================
   Logo
   ======================================== */

.logo-container {
    display: inline-block;
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    transition: all var(--transition-base);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-container:hover .logo-text {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    position: relative;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: var(--color-primary-light);
    background: rgba(99, 102, 241, 0.15);
}

.nav-link::after {
    display: none;
}

.nav-link-mobile {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 0;
    transition: color var(--transition-base);
}

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

/* ========================================
   Buttons
   ======================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.btn-primary * {
    pointer-events: none;
}

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

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    background: transparent;
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    border: 1.5px solid var(--color-border);
    cursor: pointer;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.btn-secondary * {
    pointer-events: none;
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary-light);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 10;
    animation: fadeInUp 0.8s ease-out;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeIn 1s ease-out 0.3s both;
}

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: gridMove 20s linear infinite;
    opacity: 0.4;
}

@media (max-width: 768px) {
    .grid-pattern {
        background-size: 30px 30px;
        opacity: 0.3;
    }
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(40px, 40px);
    }
}

.floating-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

@media (max-width: 768px) {
    .floating-card {
        margin-top: 2rem;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.card-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.code-line {
    height: 12px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.5) 0%, rgba(99, 102, 241, 0.15) 100%);
    border-radius: 6px;
}

/* ========================================
   Feature Cards
   ======================================== */

.feature-card {
    padding: 2.5rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-hover);
    background: var(--color-bg-card-hover);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* CRM Service - Indigo Theme */
.feature-card.crm-card .feature-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--color-primary-light);
}

.feature-card.crm-card:hover {
    border-color: var(--color-primary);
}

/* Web Service - Purple Theme */
.feature-card.web-card .feature-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(236, 72, 153, 0.2) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--color-secondary);
}

.feature-card.web-card::before {
    background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
}

.feature-card.web-card:hover {
    border-color: var(--color-secondary);
}

/* App Service - Cyan Theme */
.feature-card.app-card .feature-icon {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: var(--color-accent);
}

.feature-card.app-card::before {
    background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
}

.feature-card.app-card:hover {
    border-color: var(--color-accent);
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-lg);
    color: var(--color-primary-light);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.08) rotate(2deg);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Service Cards
   ======================================== */

.service-card-detailed {
    padding: 2.5rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
}

.service-card-detailed:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-primary-light);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-1px);
}

/* ========================================
   About Page Styles
   ======================================== */

.about-visual {
    position: relative;
}

.about-card {
    padding: 2rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-lg);
}

.approach-card {
    padding: 2rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    height: 100%;
}

.approach-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.approach-number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 1rem;
}

.difference-card {
    padding: 2rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.difference-card:hover {
    background: var(--color-bg-card-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   Contact Form
   ======================================== */

.form-input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-bg-tertiary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-primary);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-bg-card);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-card {
    padding: 4rem;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

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

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

/* ========================================
   Responsive Design - Mobile First
   ======================================== */

@media (max-width: 640px) {
    .hero-section {
        min-height: auto;
        padding-top: 6rem;
        padding-bottom: 4rem;
    }

    .hero-content h1 {
        font-size: 2.5rem !important;
        line-height: 1.2;
    }

    .hero-content p {
        font-size: 1.125rem !important;
    }

    .feature-card,
    .service-card-detailed,
    .approach-card,
    .difference-card {
        padding: 1.5rem;
    }

    .cta-card {
        padding: 2rem 1.5rem;
    }

    .service-number {
        font-size: 2rem;
    }

    .approach-number {
        font-size: 2rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }

    .btn-large {
        padding: 1rem 1.5rem;
    }

    nav {
        padding: 0 1rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .hero-visual {
        margin-top: 2rem;
    }

    .floating-card {
        padding: 1.5rem;
    }

    .card-header {
        padding: 0.75rem;
    }

    .code-line {
        height: 10px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 6rem;
    }

    .service-card-detailed,
    .cta-card {
        padding: 2rem;
    }

    .service-number {
        font-size: 2.25rem;
    }

    .approach-number {
        font-size: 2rem;
    }

    .grid-pattern {
        background-size: 30px 30px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3.5rem !important;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.transition-colors {
    transition: color var(--transition-base);
}

.antialiased {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Better selection color */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--color-text-primary);
}

/* Improved scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-light);
}