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

:root {
    --primary: #4361ee;
    --secondary: #3f37c9;
    --accent: #4cc9f0;
    --dark: #2b2d42;
    --light: #f8f9fa;
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #f87171;
    --feature: #7e5bef;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #f5f7ff;
    color: var(--dark);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.fullpage-section {
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transition: all 0.8s ease-out;
}

/* Even sections (Hero, Solutions) slide from LEFT */
#hero .section-header {
    transform: translateX(-100px);
}
#solutions .section-header {
    transform: translateX(-100px);
}

/* Odd sections (Problems, Features) slide from RIGHT */
#problems .section-header {
    transform: translateX(100px);
}
#features .section-header {
    transform: translateX(100px);
}

/* Cards animation */
.problem-card, .solution-card, .feature-card {
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}

/* Even sections: Cards slide from LEFT */
#hero .problem-card,
#solutions .solution-card {
    transform: translateX(-50px);
}

/* Odd sections: Cards slide from RIGHT */
#problems .problem-card,
#features .feature-card {
    transform: translateX(50px);
}

/* Active state - overrides previous transforms */
.section-active .section-header,
.section-active .problem-card,
.section-active .solution-card,
.section-active .feature-card {
    opacity: 1;
    transform: translateX(0) !important;
}

/* Delay animations for cards */
.section-active .problem-card:nth-child(1),
.section-active .solution-card:nth-child(1),
.section-active .feature-card:nth-child(1) {
    transition-delay: 0.2s;
}
.section-active .problem-card:nth-child(2),
.section-active .solution-card:nth-child(2),
.section-active .feature-card:nth-child(2) {
    transition-delay: 0.4s;
}
.section-active .problem-card:nth-child(3),
.section-active .solution-card:nth-child(3),
.section-active .feature-card:nth-child(3) {
    transition-delay: 0.6s;
}
.section-active .solution-card:nth-child(4) {
    transition-delay: 0.8s;
}

.problems-grid, .solutions-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80vw, 1fr));
    gap: 30px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.problem-card, .solution-card, .feature-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
    transform: translateY(40px);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.problem-card {
    border-top: 4px solid var(--danger);
}

.solution-card {
    border-top: 4px solid var(--success);
}

.feature-card {
    border-top: 4px solid var(--feature);
}

.problem-card h3, .solution-card h3, .feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.problem-card h3 i {
    color: var(--danger);
    margin-right: 15px;
    font-size: 1.8rem;
}

.solution-card h3 i {
    color: var(--success);
    margin-right: 15px;
    font-size: 1.8rem;
}

.feature-card h3 i {
    color: var(--feature);
    margin-right: 15px;
    font-size: 1.8rem;
}

.problem-card p, .solution-card p, .feature-card p {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 20px;
}

.solution-features, .feature-list {
    margin-top: 20px;
}

.solution-features li, .feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}

.solution-features li i {
    color: var(--accent);
    margin-right: 10px;
    margin-top: 3px;
}

.feature-list li i {
    color: var(--feature);
    margin-right: 10px;
    margin-top: 3px;
}

.problem-card:hover, .solution-card:hover, .feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.problem-card:hover {
    background: linear-gradient(135deg, #fff 0%, #fff8f8 100%);
}

.solution-card:hover {
    background: linear-gradient(135deg, #fff 0%, #f8fff9 100%);
}

.feature-card:hover {
    background: linear-gradient(135deg, #fff 0%, #f8f5ff 100%);
}

/* Section backgrounds */
#hero {
    background: linear-gradient(135deg, #f5f7ff 0%, #e8ecff 100%);
    text-align: center;
}

#problems {
    background: white;
}

#solutions {
    background: linear-gradient(135deg, #f8fff9 0%, #f0f9ff 100%);
}

#features {
    background: linear-gradient(135deg, #f9f5ff 0%, #f0f2ff 100%);
}

/* Floating animation */
.floating {
    animation: floating 6s ease-in-out infinite;
}

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

/* Active state for animations */
.section-active .section-header {
    opacity: 1;
    transform: translateY(0);
}

.section-active .problem-card:nth-child(1),
.section-active .feature-card:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.section-active .problem-card:nth-child(2),
.section-active .feature-card:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.section-active .problem-card:nth-child(3),
.section-active .feature-card:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.section-active .solution-card:nth-child(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.section-active .solution-card:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.section-active .solution-card:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.section-active .solution-card:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

/* Scroll indicator */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-20px) translateX(-50%); }
    60% { transform: translateY(-10px) translateX(-50%); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .problem-card, .solution-card, .feature-card {
        padding: 30px 20px;
    }
    
    .fullpage-section {
        padding: 60px 20px;
    }

    .solutions-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(80vw, 1fr));
        gap: 30px;
    }
}