/* DESIGN SYSTEM VARIABLES (Ark7 Inspired) */
:root {
    --green: #00C35A;
    --dark-green: #00AB4F;
    --white: #FFFFFF;
    --gray: #F9F9F9;
    --gray-dark: #6B7280;
    --dark: #111827;
    --text-main: #374151;

    /* Semantic */
    --red: #FB7185;
    --orange: #FB923C;
    --blue: #60A5FA;
    --purple: #A78BFA;

    /* Ark7 Floating Effects */
    --shadow-card: 0 20px 40px -10px rgba(0, 0, 0, 0.05), 0 10px 20px -5px rgba(0, 0, 0, 0.02);
    --shadow-floating: 0 50px 100px -20px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 15px 35px -10px rgba(0, 195, 90, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    color: var(--dark);
    line-height: 1.1;
}

.headline { 
    font-size: clamp(3rem, 6vw, 5rem); 
    font-weight: 900; 
    letter-spacing: -0.04em; 
    margin-bottom: 1.5rem; 
}
.subheadline { font-size: clamp(1.2rem, 2.5vw, 1.4rem); margin-bottom: 2.5rem; color: var(--gray-dark); font-weight: 400; }
.section-title { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 1.5rem; }
.section-title.size-large { font-size: clamp(3rem, 6vw, 4.5rem); }
.section-subtitle { font-size: 1.3rem; color: var(--gray-dark); margin-bottom: 3rem; }

/* UTILITIES */
.container { max-width: 1300px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 8rem 0; position: relative; }
.bg-gray { background-color: var(--gray); }
.bg-dark { background-color: var(--dark); }
.bg-light { background-color: var(--white); }

.text-white { color: var(--white) !important; }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-orange { color: var(--orange); }

.center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1.5rem; }
.mt-3 { margin-top: 3rem; }
.mt-4 { margin-top: 4rem; }
.mb-4 { margin-bottom: 4rem; }
.pt-3 { padding-top: 3rem; }
.pb-3 { padding-bottom: 3rem; }
.d-inline-block { display: inline-block; }

/* ORGANIC ROUNDED SECTIONS (Ark7 Style) */
.section-rounded-top {
    border-top-left-radius: 100px;
    border-top-right-radius: 100px;
}
.overlap-up {
    margin-top: -60px;
    z-index: 10;
}
.overlap-up-small {
    margin-top: -30px;
    z-index: 10;
}
@media (max-width: 768px) {
    .section-rounded-top { border-top-left-radius: 50px; border-top-right-radius: 50px; }
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    text-decoration: none;
    border-radius: 60px; /* Pill */
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    text-align: center;
    letter-spacing: -0.01em;
}
.btn-primary { background-color: var(--green); color: var(--white); padding: 1.2rem 2.5rem; font-size: 1.15rem; }
.btn-primary:hover { background-color: var(--dark-green); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.btn-outline { background-color: transparent; color: var(--dark); border: 2px solid var(--gray-dark); padding: 1.2rem 2.5rem; font-size: 1.15rem; }
.btn-outline:hover { background-color: var(--dark); color: var(--white); border-color: var(--dark); }

.btn-large { padding: 1.4rem 3rem; font-size: 1.25rem; }
.btn-xl { padding: 1.6rem 3.5rem; font-size: 1.5rem; }
.shadow-glow { box-shadow: var(--shadow-glow); }
.full-width { width: 100%; display: block; }

/* CARDS */
.card-shadow {
    background: var(--white);
    border-radius: 32px;
    box-shadow: var(--shadow-card);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,0,0,0.02);
}
.card-shadow:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.08); 
}
.floating-shadow {
    box-shadow: var(--shadow-floating);
}

/* TRUST BOOSTER */
.trust-booster {
    background: var(--white);
    padding: 1rem 2rem;
    border-radius: 60px;
    font-weight: 700;
    color: var(--dark);
    box-shadow: var(--shadow-card);
    display: inline-flex;
    align-items: center;
    font-size: 1.1rem;
    border: 1px solid #F3F4F6;
}
.trust-booster .icon { font-size: 1.4rem; margin-right: 12px; }

/* NAVBAR / LOGO */
.navbar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2.5rem 0;
    z-index: 100;
}
.nav-container { display: flex; align-items: center; }
.logo-wrapper { display: flex; align-items: center; gap: 1rem; }
.app-logo { width: 45px; height: 45px; border-radius: 12px; object-fit: cover; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.brand-name { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 1.6rem; color: var(--dark); letter-spacing: -0.03em; }

/* 1. HERO SECTION */
.fullscreen-section {
    min-height: 95vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #F0FDF4 0%, #D1FAE5 100%);
    padding: 120px 0 100px 0;
    position: relative;
    border-bottom-left-radius: 100px;
    border-bottom-right-radius: 100px;
    z-index: 1;
}
.hero-container {
    display: grid;
    grid-template-columns: 1fr 0.8fr;
    gap: 5rem;
    align-items: center;
    width: 100%;
}
.hero-visual { text-align: center; position: relative; }
.cta-group { margin-top: 3rem; }
.microcopy { margin-top: 1.2rem; font-size: 1rem; color: var(--gray-dark); font-weight: 500; }

/* FLOATING UI BADGES (Ark7 Style) */
.floating-badge {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 20;
    animation: float 6s ease-in-out infinite;
}
.floating-badge .icon-circle {
    width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white;
}
.badge-top-right { top: 10%; right: -20px; animation-delay: 0s; }
.badge-bottom-left { bottom: 20%; left: -30px; animation-delay: -3s; }
.bg-green { background: var(--green); }
.stars-small { font-size: 1.2rem; letter-spacing: 2px; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@media (max-width: 900px) {
    .fullscreen-section { min-height: auto; padding: 140px 0 80px 0; border-bottom-left-radius: 50px; border-bottom-right-radius: 50px; }
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 4rem; }
    .floating-badge { display: none; } /* Hide on mobile to avoid overflow */
}

/* CSS PHONE MOCKUP */
.phone-frame {
    display: inline-block;
    width: 340px;
    height: 680px;
    border: 14px solid var(--white);
    border-radius: 45px;
    background: var(--dark);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    transition: transform 0.5s ease;
}
.phone-frame:hover { transform: scale(1.02) translateY(-10px); }
.phone-frame::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 160px; height: 30px; background: var(--white);
    border-bottom-left-radius: 24px; border-bottom-right-radius: 24px; z-index: 10;
}
.phone-screen { width: 100%; height: 100%; border-radius: 32px; overflow: hidden; display: flex; flex-direction: column; background: var(--gray); }
.bg-green-gradient { background: linear-gradient(135deg, var(--green) 0%, var(--dark-green) 100%); }
.text-xl { font-size: 3.5rem; }
.phone-header { padding: 5rem 1rem 3rem 1rem; text-align: center; }
.phone-body { padding: 2rem; flex-grow: 1; display: flex; flex-direction: column; gap: 1.5rem; }
.mock-card { height: 90px; background: var(--white); border-radius: 20px; width: 100%; animation: slideInX 1s ease forwards; opacity: 0; transform: translateX(20px); }
.mock-card.delay-1 { animation-delay: 0.2s; }
.mock-card.delay-2 { animation-delay: 0.4s; }
.mock-map { background: #E5E7EB; height: 100%; border-radius: 20px; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.mock-pin { font-size: 3.5rem; animation: bounce 2s infinite; }

@keyframes slideInX { to { opacity: 1; transform: translateX(0); } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* 2. PROBLEM SECTION */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}
.problem-card { padding: 4rem 3rem; text-align: center; background: var(--white); }
.icon-big { font-size: 4.5rem; margin-bottom: 2rem; }
.problem-card h3 { font-size: 1.6rem; margin-bottom: 1.2rem; }
.transition-box { background: var(--white); padding: 3rem 4rem; border-radius: 32px; display: inline-block; box-shadow: var(--shadow-card); }
.transition-text { font-size: 1.8rem; color: var(--dark); margin: 0; font-family: 'Inter', sans-serif; font-weight: 600; letter-spacing: -0.02em; }

@media (max-width: 900px) { .problem-grid { grid-template-columns: 1fr; } .transition-box { padding: 2rem; } }

/* 3. SOLUTION SECTION */
.split-screen { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.lead-text { font-size: 1.6rem; font-weight: 500; color: var(--text-main); line-height: 1.6; }
.solution-mockup { max-width: 100%; height: auto; border-radius: 24px; box-shadow: var(--shadow-floating); }
@media (max-width: 900px) { .split-screen { grid-template-columns: 1fr; text-align: center; } .solution-visual { order: -1; } }

/* 4. FEATURES */
.features-grid-2x3 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; max-width: 1000px; margin: 0 auto; }
.feature-card { padding: 3rem; text-align: center; display: flex; flex-direction: column; align-items: center; }
.f-image { width: 100%; max-width: 160px; height: auto; margin: 0 auto 2rem auto; display: block; border-radius: 20px; transition: transform 0.3s ease; }
.feature-card:hover .f-image { transform: scale(1.05); }
.feature-card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
@media (max-width: 768px) { .features-grid-2x3 { grid-template-columns: 1fr; } }

/* 5. SOCIAL PROOF */
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; max-width: 1000px; margin: 0 auto; }
.review-card { padding: 4rem 3rem; background: var(--white); border-radius: 32px; }
.stars { font-size: 1.8rem; margin-bottom: 2rem; letter-spacing: 3px; }
.review-text { font-size: 1.4rem; font-style: italic; color: var(--dark); font-weight: 500; margin-bottom: 2rem; line-height: 1.6; }
.reviewer { font-weight: 800; color: var(--gray-dark); font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }
@media (max-width: 768px) { .reviews-grid { grid-template-columns: 1fr; } }

/* 6. PRICING */
.pricing-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; max-width: 1000px; margin: 0 auto; align-items: stretch; }
.pricing-card { padding: 5rem 4rem; text-align: left; display: flex; flex-direction: column; background: var(--white); }
.pricing-card.premium { border: 4px solid var(--green); position: relative; }
.badge-top { position: absolute; top: -20px; left: 50%; transform: translateX(-50%); background: var(--dark); color: var(--white); padding: 0.8rem 2.5rem; border-radius: 50px; font-weight: 800; font-size: 1.1rem; box-shadow: var(--shadow-card); white-space: nowrap; }

.price-big { font-size: 4.5rem; font-family: 'Outfit', sans-serif; font-weight: 900; color: var(--dark); line-height: 1; letter-spacing: -0.03em; }
.price-big small { font-size: 1.5rem; color: var(--gray-dark); font-weight: 600; letter-spacing: 0; }
.price-small { font-size: 1.3rem; color: var(--green); font-weight: 700; margin-top: 1rem; }
.pricing-card.basic .price-big { font-size: 3.5rem; }
.pricing-card.basic .price-small { color: var(--gray-dark); }

.features-list { list-style: none; flex-grow: 1; margin-bottom: 3rem; }
.features-list li { margin-bottom: 1.5rem; display: flex; align-items: center; font-size: 1.25rem; color: var(--dark); font-weight: 500; }
.features-list i { margin-right: 15px; font-size: 1.4rem; }

@media (max-width: 900px) { .pricing-grid { grid-template-columns: 1fr; } .pricing-card.premium { order: -1; padding: 4rem 2rem; } .pricing-card { padding: 3rem 2rem; } }

/* 7. IMPACT SECTION */
.impact-section { padding: 10rem 0; }
.impact-large { font-size: 2.5rem; font-weight: 800; color: var(--white); letter-spacing: -0.02em; }
.donated-pill { display: inline-block; background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,0.2); padding: 1.5rem 3rem; border-radius: 60px; font-size: 1.6rem; color: var(--white); font-weight: 600; box-shadow: var(--shadow-floating); }

/* 8. FINAL CTA */
.final-cta { padding: 8rem 0; }
.cta-wrapper { display: inline-block; }

/* ANIMATION */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 195, 90, 0.6); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 25px rgba(0, 195, 90, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 195, 90, 0); }
}
.pulse { animation: pulse 2.5s infinite; }

/* FOOTER */
.footer a { color: var(--gray-dark); text-decoration: none; font-size: 1rem; transition: color 0.2s; font-weight: 500; }
.footer a:hover { color: var(--dark); }
.text-sm { font-size: 1rem; color: var(--gray-dark); }