/* SesNot Pro - Modern Dark UI */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    /* Color Palette - Cyber/Modern Dark */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.5);
    
    --secondary: #ec4899;
    --secondary-glow: rgba(236, 72, 153, 0.5);
    
    --accent: #22d3ee;
    
    --bg-dark: #0f172a;       /* Deep Slate */
    --bg-darker: #020617;     /* Almost Black */
    --bg-card: rgba(30, 41, 59, 0.7); /* Translucent Slate */
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --border-color: rgba(255, 255, 255, 0.08);
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.5) 0%, rgba(168, 85, 247, 0.5) 100%);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-darker);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(236, 72, 153, 0.08), transparent 25%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-main);
    line-height: 1.2;
}

h1 { font-weight: 800; letter-spacing: -0.02em; }
h2 { font-weight: 700; letter-spacing: -0.01em; }

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

/* Header & Nav */
header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-main);
}

.logo svg {
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

/* Mobile Menu Toggle */
.mobile-menu-btn {
    display: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 650px;
    text-align: left;
    z-index: 2;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    animation: floatHero 6s ease-in-out infinite;
}

.hero-img-3d {
    width: 100%;
    max-width: 600px;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(99, 102, 241, 0.4));
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

.hero-img-3d:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 30px;
    color: var(--primary-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0 0 32px 0;
    animation: fadeInDown 0.8s ease;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 24px;
    color: var(--text-main);
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero h1 span.type-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cursor {
    display: inline-block;
    width: 4px;
    height: 1em;
    background-color: var(--primary);
    margin-left: 4px;
    vertical-align: middle;
    animation: blink 1s infinite;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 0 48px 0;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes floatHero {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3.2rem;
    }
}

@media (max-width: 968px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
        margin-bottom: 20px;
    }
    
    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-visual {
        width: 100%;
    }
    
    .hero-img-3d {
        max-width: 100%;
        transform: none;
    }
    
    .hero-img-3d:hover {
        transform: scale(1.02);
    }
}

/* Cards & Features */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 24px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* FAQ Accordion */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-main);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--primary);
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
}

.faq-item.active {
    border-color: rgba(99, 102, 241, 0.3);
    background: rgba(99, 102, 241, 0.05);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    padding-bottom: 24px;
    max-height: 500px;
}

/* Tutorial Steps */
.tutorial-card {
    display: flex;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: var(--radius-xl);
    margin-bottom: 32px;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: white;
    font-size: 1.25rem;
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: 12px;
}

/* Footer */
footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 300px;
}

.footer-col h4 {
    margin-bottom: 24px;
    color: var(--text-main);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
}

/* Utility Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        margin: 40px -24px 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .tutorial-card {
        flex-direction: column;
        gap: 20px;
    }
}
/* Modern Contact Form */
.contact-card-wrapper {
    margin-top: 80px;
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.8));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 48px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    margin-bottom: 60px;
}

.contact-card-wrapper::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.contact-card-wrapper::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.1), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.contact-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.contact-icon-box {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
    animation: floatIcon 3s ease-in-out infinite;
}

.contact-title h3 {
    font-size: 2.2rem;
    margin-bottom: 12px;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Form Styles */
.modern-form {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    position: relative;
    margin-bottom: 32px;
}

.form-input {
    width: 100%;
    background: rgba(15, 23, 42, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--text-main);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.form-input:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(15, 23, 42, 0.5);
}

.form-input:focus {
    background: rgba(15, 23, 42, 0.6);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

.form-textarea {
    min-height: 180px;
    resize: vertical;
    line-height: 1.7;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.1) 100%);
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.form-textarea:focus {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.5) 0%, rgba(15, 23, 42, 0.3) 100%);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

/* Floating Label Logic */
.floating-group {
    position: relative;
}

.form-label-float {
    position: absolute;
    left: 20px;
    top: 16px;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s ease;
    background: transparent;
    font-size: 1rem;
}

.form-input:focus ~ .form-label-float,
.form-input:not(:placeholder-shown) ~ .form-label-float {
    top: -26px;
    left: 0;
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 500;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 32px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    animation: fadeInDown 0.5s ease;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Button Enhancements */
.form-actions {
    margin-top: 40px;
    text-align: center;
}

.btn-lg {
    padding: 16px 56px;
    font-size: 1.1rem;
    border-radius: 14px;
}

.btn-glow {
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-glow:hover::before {
    left: 100%;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@media (max-width: 768px) {
    .contact-card-wrapper {
        padding: 24px;
        margin-top: 60px;
    }
    .contact-title h3 {
        font-size: 1.75rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}