@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

* {
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #10b981 0%, #3b82f6 100%);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Loading State */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(16, 185, 129, 0.3);
    border-top: 3px solid #10b981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

body {
    position: relative;
}

section {
    position: relative;
    z-index: 1;
}

.gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.code-animation {
    overflow: hidden;
    white-space: pre-wrap;
    animation: typewriter 3s steps(40) infinite;
}

@keyframes typewriter {

    0%,
    100% {
        opacity: 0.7;
    }

    50% {
        opacity: 1;
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

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

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

/* Dark mode styles */
.dark {
    background-color: #1a1a1a;
    color: #ffffff;
}

.light {
    background-color: #ffffff;
    color: #0a0a0a;
}

/* Light mode card backgrounds */
.light .bg-gray-900 {
    background-color: #f3f4f6 !important;
    color: #1f2937 !important;
}

/* Light mode text colors */
.light .text-gray-400 {
    color: #4b5563 !important;
}

.light .text-gray-500 {
    color: #6b7280 !important;
}

/* Light mode borders */
.light .border-gray-800 {
    border-color: #e5e7eb !important;
}

/* Light mode card hover states */
.light .bg-gray-900:hover {
    background-color: #e5e7eb !important;
}

/* Light mode social icons */
.light .bg-gray-800 {
    background-color: #1f2937 !important;
    color: #ffffff !important;
}

.light .bg-gray-800:hover {
    background-color: #374151 !important;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    transform: scale(1);
}

.back-to-top:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

/* Card 3D Tilt Effect */
.card-tilt {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

.card-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg) scale(1.02);
}

/* Icon Glow Animation */
.icon-glow:hover svg {
    filter: drop-shadow(0 0 8px currentColor);
    transform: scale(1.1);
    transition: all 0.3s ease;
}

/* Hero Fade In */
.fade-in {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.fade-in-delay-1 {
    animation-delay: 0.2s;
}

.fade-in-delay-2 {
    animation-delay: 0.4s;
}

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

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

/* Stats Counter */
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-transition {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Animated Gradient Mesh Background - Full Page */
.gradient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: blob-float 20s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    top: 10%;
    left: 10%;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    top: 50%;
    right: 5%;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    animation-delay: 5s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    bottom: 15%;
    left: 30%;
    background: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    animation-delay: 10s;
}

.blob-4 {
    width: 450px;
    height: 450px;
    top: 30%;
    left: 45%;
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    animation-delay: 15s;
}

@keyframes blob-float {

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

    25% {
        transform: translate(20px, -40px) scale(1.05);
    }

    50% {
        transform: translate(-30px, 50px) scale(0.95);
    }

    75% {
        transform: translate(30px, -20px) scale(1.1);
    }
}

/* FAQ Dropdown Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid rgba(75, 85, 99, 0.3);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.faq-question {
    padding: 20px 24px;
    font-size: 18px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s ease;
}

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 16px;
    width: 20px;
    height: 20px;
    min-width: 20px;
}

.nested-faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 12px;
    width: 16px;
    height: 16px;
    min-width: 16px;
}

/* FAQ Interactions - Simple Hover (Original Behavior) - Desktop Only */
@media (hover: hover) {
    .faq-item:hover {
        border-color: #10b981;
        background: rgba(17, 24, 39, 0.8);
    }

    .faq-item:hover .faq-question {
        color: #10b981;
    }

    .faq-item:hover .faq-icon {
        transform: rotate(180deg);
    }

    .faq-item:hover .faq-answer {
        max-height: 2000px;
        padding: 0 24px 20px 24px;
        opacity: 1;
        visibility: visible;
    }
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    padding: 0 24px;
    color: #9ca3af;
    line-height: 1.7;
    text-align: justify;
    opacity: 0;
    visibility: hidden;
}

/* Nested FAQ Dropdowns */
.nested-faq-container {
    margin-top: 16px;
    padding-left: 0;
}

.nested-faq-item {
    background: rgba(31, 41, 55, 0.4);
    border: 1px solid rgba(75, 85, 99, 0.2);
    border-radius: 8px;
    margin-bottom: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nested-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 16px;
    font-weight: 600;
    /* Keeping the bold fix */
    color: #9ca3af;
    transition: color 0.3s ease;
}

/* Nested FAQ Interactions - Simple Hover (Original Behavior) - Desktop Only */
@media (hover: hover) {
    .nested-faq-item:hover {
        border-color: #3b82f6;
        background: rgba(31, 41, 55, 0.7);
    }

    .nested-faq-item:hover .nested-faq-question {
        color: #3b82f6;
    }

    .nested-faq-item:hover .nested-faq-icon {
        transform: rotate(180deg);
    }


    .nested-faq-item:hover .nested-faq-answer {
        max-height: 400px;
        padding: 0 16px 12px 16px;
        opacity: 1;
        visibility: visible;
    }
}

.nested-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    padding: 0 16px;
    color: #9ca3af;
    line-height: 1.6;
    font-size: 14px;
    text-align: justify;
    opacity: 0;
    visibility: hidden;
}



.typing-text {
    display: inline-block;
    overflow: hidden;
    border-right: 2px solid #10b981;
    white-space: nowrap;
    animation: typing 4s steps(40) infinite, blink 0.75s step-end infinite;
}

@keyframes typing {

    0%,
    100% {
        width: 0;
    }

    50% {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}