/* Sankalp365 - Professional Builders Website Styles */

/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    color: #1a365d;
}

h2 {
    font-size: 2rem;
    color: #2d3748;
}

h3 {
    font-size: 1.5rem;
    color: #2d3748;
}

h4 {
    font-size: 1.25rem;
    color: #4a5568;
}

p {
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 400;
}

a {
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2c5282;
}

a:focus {
    outline: 2px solid #3182ce;
    outline-offset: 2px;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

.section-sm {
    padding: 2rem 0;
}

.section-lg {
    padding: 6rem 0;
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.gap-4 {
    gap: 2rem;
}

/* Spacing Scale */
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.py-1 { padding: 0.5rem 0; }
.py-2 { padding: 1rem 0; }
.py-3 { padding: 1.5rem 0; }
.py-4 { padding: 2rem 0; }

.px-1 { padding: 0 0.5rem; }
.px-2 { padding: 0 1rem; }
.px-3 { padding: 0 1.5rem; }
.px-4 { padding: 0 2rem; }

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d;
}

.nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    font-weight: 600;
    color: #2d3748;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #3182ce;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #2d3748;
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/-01.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    font-weight: 800;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: #3182ce;
    color: white;
}

.btn-primary:hover {
    background: #2c5282;
    color: white;
}

.btn-secondary {
    background: transparent;
    color: #3182ce;
    border: 2px solid #3182ce;
}

.btn-secondary:hover {
    background: #3182ce;
    color: white;
}

.btn-white {
    background: white;
    color: #1a365d;
    border: 2px solid white;
}

.btn-white:hover {
    background: transparent;
    color: white;
}

.btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
    color: #1a365d;
}

.card p {
    color: #2d3748;
    margin-bottom: 1rem;
    font-weight: 400;
}

/* Value Props Section */
.value-props {
    background: #f7fafc;
    padding: 4rem 0;
}

.value-prop {
    text-align: center;
    padding: 2rem;
}

.value-prop-icon {
    width: 80px;
    height: 80px;
    background: #3182ce;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

/* Featured Projects */
.projects {
    padding: 4rem 0;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: scale(1.02);
}

.project-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 2rem 1.5rem 1.5rem;
}

.project-overlay h3 {
    color: white;
    margin-bottom: 0.5rem;
}

/* Trust Section */
.trust {
    background: #1a365d;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.trust h2 {
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    margin-bottom: 2rem;
}

.trust p {
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    font-weight: 400;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #63b3ed;
    display: block;
}

.stat-label {
    font-size: 1.1rem;
    color: #e2e8f0;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #3182ce 0%, #2c5282 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta h2 {
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    margin-bottom: 1rem;
}

.cta p {
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    font-weight: 400;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2d3748;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.form-checkbox label {
    font-size: 0.9rem;
    line-height: 1.4;
    color: #2d3748;
    font-weight: 500;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: #48bb78;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    background: #f56565;
}

/* Footer */
.footer {
    background: #1a365d;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer h3 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer p,
.footer a {
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.footer a:hover {
    color: #63b3ed;
}

.footer-bottom {
    border-top: 1px solid #2d3748;
    padding-top: 2rem;
    text-align: center;
    color: #e2e8f0;
    font-weight: 400;
}

/* Contact Info */
.contact-info {
    background: #f7fafc;
    padding: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: #3182ce;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

/* Services Grid */
.service-card {
    background: white;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: #3182ce;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-features {
    list-style: none;
    text-align: left;
    margin: 1.5rem 0;
}

.service-features li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: bold;
}

/* About Page Styles */
.about-hero {
    background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.about-hero h1 {
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    font-weight: 800;
}

.about-hero p {
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
    font-weight: 500;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.about-text h3 {
    color: #1a365d;
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 400;
}

.about-sidebar {
    background: #f7fafc;
    padding: 2rem;
    border-radius: 0.75rem;
    height: fit-content;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .nav.active {
        display: flex;
    }

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

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .btn-group {
        flex-direction: column;
        align-items: center;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .trust-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section {
        padding: 2rem 0;
    }

    .section-lg {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .trust-stats {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for keyboard navigation */
*:focus {
    outline: 2px solid #3182ce;
    outline-offset: 2px;
}

button:focus,
.btn:focus {
    outline: 2px solid #3182ce;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #4a5568;
    }
    
    .btn-secondary {
        border-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}