/* ===================================
   CSS Reset & Base Styles
   =================================== */

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

:root {
    /* Color Palette - Cool Blue Accent */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --accent-color: #0ea5e9;

    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border-color: #e2e8f0;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --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);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.btn-nav {
    background: var(--primary-color);
    color: white !important;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 40%),
        linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    overflow: hidden;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 40%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 40%, rgba(0, 0, 0, 0) 100%);
}

.hero-background::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
    animation: pulse 15s infinite ease-in-out;
}

@keyframes pulse {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -50px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }

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

/* Floating 3D Shapes Decoration */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border: 2px solid rgba(37, 99, 235, 0.1);
    border-radius: 12px;
    z-index: 0;
    animation: float 8s infinite ease-in-out;
}

.hero::before {
    top: 20%;
    right: 10%;
    width: 80px;
    height: 80px;
    border-color: rgba(14, 165, 233, 0.15);
    background: rgba(14, 165, 233, 0.02);
    transform: rotate(45deg);
    animation-delay: 0s;
}

.hero::after {
    bottom: 20%;
    left: 5%;
    width: 40px;
    height: 40px;
    border-color: rgba(37, 99, 235, 0.15);
    transform: rotate(30deg);
    animation-delay: 4s;
}

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

    50% {
        transform: translateY(-20px) rotate(10deg);
    }

    100% {
        transform: translateY(0) rotate(0deg);
    }
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--text-primary) 0%, #3b82f6 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
}

.hero-credential {
    font-size: 1.0625rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-medium);
    line-height: 1.6;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(37, 99, 235, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
    display: inline-block;
    backdrop-filter: blur(5px);
}

.goal-widget {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    max-width: 450px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.goal-text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
}

.goal-numbers {
    color: var(--primary-color);
}

.progress-track {
    width: 100%;
    height: 10px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 999px;
    transition: width 1s ease-out;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 1.0625rem;
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2), 0 2px 4px -1px rgba(37, 99, 235, 0.1);
    animation: btnPulse 3s infinite;
}

@keyframes btnPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3), 0 4px 6px -2px rgba(37, 99, 235, 0.1);
    animation: none;
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ===================================
   Section Styles
   =================================== */

section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* ===================================
   How It Works Section
   =================================== */

.how-it-works {
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--radius-lg);
}

.step-icon svg {
    width: 2rem;
    height: 2rem;
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Services Section
   =================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

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

.service-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   Portfolio Section
   =================================== */

.portfolio {
    background: var(--bg-secondary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

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

.portfolio-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

/* Section Dividers */
section {
    position: relative;
    padding: var(--spacing-3xl) 0;
}

.services,
.portfolio,
.contact {
    position: relative;
}

.services::before,
.portfolio::before,
.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.1), transparent);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-tertiary);
    position: relative;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 1;
    /* Always visible for better UX */
    transition: transform 0.2s ease, background 0.2s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
    color: var(--primary-color);
    z-index: 10;
    /* Ensure it's on top */
    pointer-events: auto;
}

.portfolio-card:hover .slider-btn {
    /* No change needed since it's always visible, but we can scale it */
}

.slider-btn:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 10px;
}

.slider-btn.next {
    right: 10px;
}

.slider-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2.5;
    fill: none;
    /* Ensure fill is none */
    stroke-linecap: round;
    /* Smoother lines */
    stroke-linejoin: round;
}

.portfolio-info {
    padding: var(--spacing-lg);
}

.portfolio-info h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.portfolio-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */

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

.about-text {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.375rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.highlight-item {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.highlight-item h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.highlight-item ul {
    list-style: none;
}

.highlight-item li {
    color: var(--text-secondary);
    padding: 0.375rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.highlight-item li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

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

.contact {
    background: var(--bg-secondary);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.form-note {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(37, 99, 235, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.form-note svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.form-note p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-info .logo {
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    color: white;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: var(--spacing-xs);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

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

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

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

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .steps-grid,
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}