@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #18a04a;
    --primary-dark: #16a085;
    --secondary: #f5f5f5;
    --accent: #e2e8f0;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --container-max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: clamp(14px, 2vw, 16px);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
}

/* Enhanced Navigation */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(12px);
    z-index: 1000;
    transition: var(--transition);
    padding: 0.75rem 0;
}

.navigation.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    border: 1px solid rgba(226, 232, 240, 0.5);
    border-radius: var(--border-radius);
    background: var(--white);
    padding: 0 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.logo {
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    padding: 0;
}

.logo::before {
    content: '';
    display: block;
    width: 80px;
    height: 60px;
    background: url('images/isproutLogo.png') no-repeat center center / contain;
    animation: none;
    margin-right: 0;
    font-size: 0;
}

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


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

.nav-link {
    position: relative;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: calc(var(--border-radius) - 4px);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 80%;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(24, 160, 74, 0.05);
}

.register-btn {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.register-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: calc(var(--border-radius) - 4px);
    transition: var(--transition);
}

.hamburger:hover {
    background: rgba(24, 160, 74, 0.1);
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
    padding-top: 6rem;
    flex-direction: column;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(24, 160, 74, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(24, 160, 74, 0.06) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    text-align: center;
    max-width: 600px;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: slideInDown 1s ease-out 0.3s both;
}

.hero-tagline {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: slideInUp 1s ease-out 0.6s both;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    animation: slideInUp 1s ease-out 0.9s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 160px;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(24, 160, 74, 0.05);
}

.btn-secondary:hover {
    background: rgba(24, 160, 74, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Section Styling */
.section {
    padding: clamp(4rem, 10vh, 8rem) 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Card Grid */
.card-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.card-grid.cols-1 { grid-template-columns: 1fr; }
.card-grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.card-grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card-grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(24, 160, 74, 0.2);
}

.card-icon {
    width: 3rem;
    height: 3rem;
    background: rgba(24, 160, 74, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.card:hover .card-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Stats Section */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
    animation: float 15s ease-in-out infinite reverse;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
    font-weight: 500;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: flex-start;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--accent);
    border-radius: 8px;
    padding: 1rem;
}

.contact-info-card .card-icon {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 2px;
}

.contact-form {
    width: 100%;
    background: none;
    box-shadow: none;
    padding: 0;

    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

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

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

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--accent);
    border-radius: calc(var(--border-radius) - 4px);
    font-size: 1rem;
    background: var(--secondary);
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(24, 160, 74, 0.1);
}

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

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

.form-group,
.form-row {
    display: flex;
    gap: 1rem;
}

.form-row {
    flex-direction: row;
}

.form-group {
    flex-direction: column;
    gap: 1rem;
}

.form-input,
textarea.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--accent);
    background: var(--secondary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.contact-form button[type="submit"] {
    width: 100%;
    margin-top: 1rem;
}


/* Footer */
.footer {
    background: linear-gradient(135deg, var(--white) 0%, var(--white) 100%);
    color: var(--text-primary);
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .hero { padding-top: 8rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; }
    .card-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .stats-section .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .stats-section .card-grid { grid-template-columns: 1fr; }
    .card { padding: 1.5rem; }
    .contact-form { padding: 2rem; }
}

/* Utility Classes */
.fade-in { animation: fadeInUp 0.8s ease forwards; }
.slide-in { animation: slideInUp 0.8s ease forwards; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.bg-white { background: var(--white); }
.bg-primary { background: var(--primary); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }
.hidden { display: none; }
.visible { display: block; }

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --secondary: #f5f5f5; /* Force light background */
        --accent: #e2e8f0;
        --text-primary: #111827;
        --text-secondary: #6b7280;
        --white: #ffffff;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}