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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2d3748;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* App Store Button (iOS Blue) */
.btn-primary {
    background: linear-gradient(135deg, #007AFF 0%, #0051D9 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.6);
}

.btn-primary .fa-apple {
    font-size: 18px;
}

/* Google Play Button (Android Green) */
.btn-secondary {
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(123, 193, 66, 0.4);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #6BA637 0%, #1A3478 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(123, 193, 66, 0.6);
}

.btn-secondary .fa-google-play {
    font-size: 16px;
}

/* Store Badge Buttons */
.store-button {
    display: inline-block;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}

.store-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

/* Disabled Store Button - Coming Soon */
.store-button.disabled-store {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.store-button.disabled-store:hover {
    transform: none;
    filter: none;
}

.coming-soon-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(135deg, #FF9500, #FF6B00);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.4);
    animation: pulse 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.store-badge {
    height: 60px;
    width: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #7BC142;
}

.nav-logo i {
    font-size: 28px;
}

.nav-logo img {
    height: 70px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #7BC142;
}

.nav-link.cta-button {
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(123, 193, 66, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #4a5568;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 85vh;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    display: flex;
    align-items: center;
    padding: 120px 0 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Screens Showcase - Modern Design */
.hero-screens {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.screen-showcase {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    position: relative;
    padding: 10px;
}

.screen-card {
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.screen-card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* Left and Right screens - Slightly smaller and angled */
.screen-left {
    transform: translateY(15px) rotate(-2deg) scale(0.90);
    z-index: 1;
}

.screen-right {
    transform: translateY(15px) rotate(2deg) scale(0.90);
    z-index: 1;
}

.screen-left:hover {
    transform: translateY(10px) rotate(-1deg) scale(0.92);
}

.screen-right:hover {
    transform: translateY(10px) rotate(1deg) scale(0.92);
}

/* Center screen - Featured and prominent */
.screen-center {
    z-index: 2;
    transform: scale(1);
}

.screen-center:hover {
    transform: scale(1.03) translateY(-5px);
}

.screen-mockup {
    position: relative;
    border-radius: 24px;
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    padding: 6px;
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.25),
        0 8px 20px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.screen-mockup.featured {
    background: linear-gradient(145deg, #ffffff, #e8f4fd);
    box-shadow: 
        0 20px 50px rgba(123, 193, 66, 0.35),
        0 10px 25px rgba(30, 58, 138, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.screen-mockup:hover {
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.3),
        0 12px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.screen-image {
    display: block;
    width: 100%;
    max-width: 200px;
    height: auto;
    border-radius: 20px;
    transition: all 0.3s ease;
}

/* Featured Badge */
.screen-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a1a;
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.screen-badge i {
    font-size: 9px;
    animation: spin 3s linear infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    position: relative;
    perspective: 1000px;
}

.hero-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
    animation: fadeInUp 1s ease-out;
}

.hero-logo img {
    max-width: 400px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.15));
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

/* iPhone Mockup */
.phone-mockup.iphone {
    width: 320px;
    height: 640px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 4px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    border: 2px solid #2a2a2a;
    z-index: 2;
    transform: rotate(-8deg) translateY(-20px);
    transition: all 0.3s ease;
}

.phone-mockup.iphone:hover {
    transform: rotate(-5deg) translateY(-30px);
    z-index: 3;
}

/* Android Mockup */
.phone-mockup.android {
    width: 320px;
    height: 640px;
    background: #2a2a2a;
    border-radius: 25px;
    padding: 4px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    border: 2px solid #3a3a3a;
    z-index: 1;
    transform: rotate(8deg) translateY(20px);
    transition: all 0.3s ease;
}

.phone-mockup.android:hover {
    transform: rotate(5deg) translateY(10px);
    z-index: 3;
}

/* Android specific styles */
.android .phone-screen {
    border-radius: 21px;
}

.android-status {
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
}

.android-status .status-right {
    gap: 8px;
}

/* Home Indicator */
.phone-mockup::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 134px;
    height: 5px;
    background: #333;
    border-radius: 3px;
    z-index: 10;
}

/* iPhone Notch */
.phone-mockup.iphone::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 160px;
    height: 30px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
    z-index: 10;
    transition: all 0.3s ease;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 36px;
    overflow: hidden;
    position: relative;
}

/* iPhone Status Bar */
.status-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 5;
    padding-top: 6px;
}

.status-left {
    display: flex;
    align-items: center;
    gap: 4px;
    color: white;
    font-size: 14px;
    font-weight: 600;
    margin-left: 10px;
}

.status-right {
    display: flex;
    align-items: center;
    color: white;
    font-size: 16px;
    margin-right: 10px;
}

.wifi-icon {
    font-size: 16px;
}

.app-preview {
    padding: 50px 12px 70px 12px;
    height: 100%;
    overflow: hidden;
    background: white;
    position: relative;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    margin-bottom: 6px;
    border-bottom: 1px solid #f0f0f0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left i {
    font-size: 18px;
    color: #7BC142;
}

.trip-title {
    font-weight: 600;
    font-size: 18px;
    color: #1f2937;
}

.header-right .participant-count {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f3f4f6;
    padding: 6px 10px;
    border-radius: 12px;
    font-size: 14px;
    color: #6b7280;
}

.trip-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
    border-radius: 16px;
    margin-bottom: 16px;
    border: 1px solid #7dd3fc;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.08);
    position: relative;
    overflow: hidden;
}

.trip-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #7BC142 0%, #1E3A8A 100%);
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 12px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.7);
    padding: 10px 6px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.summary-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.summary-label {
    font-size: 9px;
    color: #475569;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 600;
}

.summary-value {
    font-size: 15px;
    font-weight: 700;
    color: #1e293b;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.summary-status {
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.summary-status.active {
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    color: white;
    box-shadow: 0 2px 6px rgba(123, 193, 66, 0.3);
}

/* Settlement Cards Slider */
.settlement-slider {
    position: relative;
    margin-bottom: 16px;
}

.settlement-cards {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 8px;
}

.settlement-cards::-webkit-scrollbar {
    display: none;
}

.settlement-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 10px 8px;
    transition: all 0.3s ease;
    min-width: 120px;
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(20px);
}

.settlement-card:hover {
    border-color: #7BC142;
    box-shadow: 0 2px 8px rgba(123, 193, 66, 0.1);
    transform: translateY(-2px);
}

.settlement-visual {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.person-bubble {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 10px;
    color: white;
}

.person-bubble.from {
    background: #3b82f6; /* M - Mehmet için mavi, F - Fatma için turuncu olacak */
}

.person-bubble.to {
    background: #7BC142; /* Z ve A için yeşil */
}

/* Settlement kartları için spesifik renkler */
.settlement-card:first-child .person-bubble.from {
    background: #3b82f6; /* M - Mehmet (Mavi) */
}

.settlement-card:first-child .person-bubble.to {
    background: #8b5cf6; /* Z - Zehra (Mor) */
}

.settlement-card:nth-child(2) .person-bubble.from {
    background: #f59e0b; /* F - Fatma (Turuncu) */
}

.settlement-card:nth-child(2) .person-bubble.to {
    background: #ef4444; /* A - Ahmet (Kırmızı) */
}

.settlement-card:nth-child(3) .person-bubble.from {
    background: #8b5cf6; /* Z - Zehra (Mor) */
}

.settlement-card:nth-child(3) .person-bubble.to {
    background: #3b82f6; /* M - Mehmet (Mavi) */
}

.arrow-flow {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    color: #6b7280;
    font-size: 10px;
}

.settlement-amount {
    font-size: 11px;
    font-weight: 700;
    color: #7BC142;
}

.expenses-section {
    margin-bottom: 20px;
}

.expenses-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 12px;
    padding-left: 4px;
}

.expense-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 6px;
    margin-bottom: 4px;
    border-radius: 6px;
    background: white;
    border: 1px solid #f3f4f6;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.expense-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.expense-left i {
    width: 24px;
    color: #7BC142;
    font-size: 16px;
}

.expense-details {
    display: flex;
    flex-direction: column;
}

.expense-name {
    font-size: 12px;
    font-weight: 500;
    color: #1f2937;
    margin-bottom: 1px;
}

.payer {
    font-size: 11px;
    color: #6b7280;
}

.payer-info {
    display: flex;
    align-items: center;
    gap: 6px;
}

.payer-avatar {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 9px;
    color: white;
    background: #ef4444;
}

.payer-avatar:nth-child(1) {
    background: #ef4444; /* Ahmet - Kırmızı */
}

.expense-item:nth-child(2) .payer-avatar {
    background: #3b82f6; /* Mehmet - Mavi */
}

.expense-item:nth-child(3) .payer-avatar {
    background: #8b5cf6; /* Zehra - Mor */
}

.expense-item:nth-child(4) .payer-avatar {
    background: #f59e0b; /* Fatma - Turuncu */
}

.expense-amount {
    font-weight: 600;
    color: #1f2937;
    font-size: 12px;
}

/* Bottom Navigation */
.bottom-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 0 12px 0;
    border-radius: 0 0 36px 36px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 4px 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 6px;
    flex: 1;
}

.nav-item i {
    font-size: 16px;
    color: #9ca3af;
    transition: color 0.3s ease;
}

.nav-item span {
    font-size: 9px;
    color: #9ca3af;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-item.active i,
.nav-item.active span {
    color: #7BC142;
}

.nav-item:hover i,
.nav-item:hover span {
    color: #7BC142;
}

.nav-item.active {
    background: rgba(123, 193, 66, 0.1);
}

/* Groups Section */
.groups-section {
    margin-bottom: 20px;
}

.group-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    margin-bottom: 6px;
    border-radius: 8px;
    background: white;
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.group-card:hover {
    border-color: #7BC142;
    box-shadow: 0 2px 8px rgba(123, 193, 66, 0.1);
    transform: translateY(-2px);
}

.group-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.group-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

/* Spesifik grup fotoğrafları */
.group-card:nth-child(1) .group-avatar {
    background-image: url('https://images.unsplash.com/photo-1506905925346-21bda4d32df4?w=80&h=80&fit=crop&crop=face');
}

.group-card:nth-child(2) .group-avatar {
    background-image: url('https://images.unsplash.com/photo-1541432901042-2d8bd64b4a9b?w=80&h=80&fit=crop&crop=center');
}

.group-card:nth-child(3) .group-avatar {
    background-image: url('https://images.unsplash.com/photo-1518548419970-58e3b4079ab2?w=80&h=80&fit=crop&crop=center');
}

.group-card:nth-child(4) .group-avatar {
    background-image: url('https://images.unsplash.com/photo-1464207687429-7505649dae38?w=80&h=80&fit=crop&crop=center');
}

.group-details {
    display: flex;
    flex-direction: column;
}

.group-name {
    font-size: 13px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1px;
}

.group-summary {
    font-size: 11px;
    color: #6b7280;
}

.group-status {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 500;
}

.group-status.active {
    background: #dcfce7;
    color: #166534;
}

.group-status.completed {
    background: #f3f4f6;
    color: #6b7280;
}

/* New App Components */
.search-container {
    padding: 0 8px;
    margin-bottom: 8px;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f3f4f6;
    padding: 6px 10px;
    border-radius: 6px;
}

.search-bar i {
    color: #9ca3af;
    font-size: 12px;
}

.search-placeholder {
    color: #9ca3af;
    font-size: 12px;
}

.toggle-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 8px;
    margin-bottom: 8px;
}

.toggle-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-left i {
    color: #7BC142;
    font-size: 12px;
}

.toggle-left span {
    font-size: 12px;
    color: #374151;
}

.toggle-switch {
    width: 36px;
    height: 20px;
    background: #7BC142;
    border-radius: 10px;
    position: relative;
    cursor: pointer;
}

.toggle-slider {
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    right: 2px;
    transition: all 0.3s ease;
}

.arkadas-text {
    font-size: 14px;
    color: #7BC142;
    font-weight: 500;
}

.pink-avatar {
    background: #ec4899 !important;
}

.blue-avatar {
    background: #3b82f6 !important;
}

.green-avatar {
    background: #7BC142 !important;
}

.orange-avatar {
    background: #f59e0b !important;
}

.purple-avatar {
    background: #8b5cf6 !important;
}

.dark-avatar {
    background: #374151 !important;
}

.group-members {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: #6b7280;
}

.group-members i {
    font-size: 10px;
}

.member-count {
    display: flex;
    align-items: center;
    gap: 4px;
    color: #6b7280;
    font-size: 12px;
}

.add-group-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #7BC142;
    color: white;
    padding: 8px;
    border-radius: 20px;
    margin: 8px 8px;
    font-weight: 500;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-group-button:hover {
    background: #6BA637;
    transform: translateY(-2px);
}

/* Android Mockup Styles */
.member-info {
    padding: 8px 16px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
}

.member-text {
    font-size: 12px;
    color: #6b7280;
}

.balance-summary {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
}

.balance-item {
    text-align: center;
}

.balance-label {
    display: block;
    font-size: 10px;
    color: #6b7280;
    margin-bottom: 4px;
}

.balance-amount {
    font-size: 16px;
    font-weight: 600;
}

.balance-amount.positive {
    color: #7BC142;
}

.balance-amount.total {
    color: #374151;
}

.tab-navigation {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    background: white;
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: 8px 6px;
    font-size: 12px;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-item.active {
    color: #7BC142;
    border-bottom-color: #7BC142;
    font-weight: 500;
}

.expense-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40px;
    flex-shrink: 0;
}

.date-number {
    font-size: 14px;
    font-weight: 700;
    color: #1E3A8A;
    line-height: 1;
}

.date-month {
    font-size: 9px;
    color: #6b7280;
    font-weight: 500;
}

.expense-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.expense-status {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.expense-status.paid {
    background: #dcfce7;
    color: #166534;
}

.payer-avatars {
    display: flex;
    gap: 4px;
    margin-right: 6px;
}

.payer-text {
    font-size: 11px;
    color: #6b7280;
}

.add-expense-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #7BC142;
    color: white;
    padding: 8px;
    border-radius: 20px;
    margin: 8px 8px;
    font-weight: 500;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-expense-button:hover {
    background: #6BA637;
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: #2d3748;
}

.section-header p {
    font-size: 1.125rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* AI Feature - Special Highlight */
.feature-card:nth-child(2) {
    position: relative;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #7BC142;
}

.feature-card:nth-child(2)::before {
    content: "✨ AI Powered";
    position: absolute;
    top: -12px;
    right: 20px;
    background: linear-gradient(135deg, #7BC142, #1E3A8A);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(123, 193, 66, 0.4);
}

.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    animation: aiGlow 3s ease-in-out infinite;
}

@keyframes aiGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(102, 126, 234, 0.6), 0 0 40px rgba(118, 75, 162, 0.4);
    }
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: #2d3748;
}

.step-content p {
    color: #718096;
    line-height: 1.6;
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
}

.use-cases .section-header h2,
.use-cases .section-header p {
    color: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.use-case {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    padding: 32px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.use-case:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.25);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
    font-size: 2rem;
}

.use-case h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: white;
}

.use-case p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial {
    background: white;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-style: italic;
    color: #4a5568;
    line-height: 1.6;
    font-size: 1.125rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    display: block;
    font-weight: 600;
    color: #2d3748;
}

.author-title {
    font-size: 0.875rem;
    color: #718096;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #7BC142 0%, #1E3A8A 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #7BC142;
}

.footer-logo i {
    font-size: 28px;
}

.footer-logo img {
    height: 70px;
    width: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #7BC142;
}

.footer-social {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #7BC142;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
/* Tablet View */
@media (max-width: 1024px) {
    .screen-showcase {
        gap: 10px;
        padding: 10px;
    }

    .screen-image {
        max-width: 160px;
    }

    .screen-left {
        transform: translateY(12px) rotate(-2deg) scale(0.88);
    }

    .screen-right {
        transform: translateY(12px) rotate(2deg) scale(0.88);
    }

    .hero-title {
        font-size: 3rem;
    }

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

/* Mobile View */
@media (max-width: 768px) {
    .hero {
        min-height: 75vh;
        padding: 100px 0 60px 0;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    /* Hero Screens - Responsive */
    .screen-showcase {
        flex-direction: column;
        gap: 15px;
        padding: 10px;
    }

    .screen-left,
    .screen-right,
    .screen-center {
        transform: none !important;
    }

    .screen-card {
        width: 100%;
        max-width: 280px;
    }

    .screen-card:hover {
        transform: translateY(-5px) scale(1.01);
    }

    .screen-image {
        max-width: 240px;
    }

    .screen-badge {
        top: -6px;
        right: -6px;
        padding: 4px 10px;
        font-size: 10px;
    }
    
    .hero-image {
        flex-direction: column;
        gap: 30px;
    }

    .phone-mockup.iphone {
        transform: none;
        position: relative;
    }

    .phone-mockup.android {
        transform: none;
        position: relative;
    }

    .hero-logo img {
        max-width: 280px;
    }

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

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

    .store-badge {
        height: 50px;
    }

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

    .phone-mockup.iphone,
    .phone-mockup.android {
        width: 280px;
        height: 560px;
    }
    
    .phone-mockup.iphone::after {
        width: 130px;
        height: 26px;
    }
    
    .status-bar {
        height: 40px;
        padding-top: 4px;
    }
    
    .app-preview {
        padding: 56px 14px 75px 14px;
    }
    
    .bottom-nav {
        padding: 6px 0 10px 0;
    }
    
    .nav-item i {
        font-size: 16px;
    }
    
    .nav-item span {
        font-size: 9px;
    }

    .features-grid,
    .steps,
    .use-cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .step {
        text-align: center;
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 24px;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 70vh;
        padding: 80px 0 40px 0;
    }

    .hero-logo {
        margin-bottom: 24px;
    }

    .hero-logo img {
        max-width: 240px;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .store-badge {
        height: 45px;
    }

    .nav-logo img,
    .footer-logo img {
        height: 32px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .phone-mockup.iphone,
    .phone-mockup.android {
        width: 240px;
        height: 480px;
        transform: none;
        position: relative;
    }
    
    .phone-mockup.iphone::after {
        width: 110px;
        height: 22px;
    }
    
    .status-bar {
        height: 36px;
        padding: 0 16px;
        padding-top: 2px;
        font-size: 12px;
    }
    
    .status-left, .status-right {
        margin: 0 6px;
    }
    
    .app-preview {
        padding: 50px 12px 70px 12px;
    }
    
    .bottom-nav {
        padding: 5px 0 8px 0;
    }
    
    .nav-item i {
        font-size: 14px;
    }
    
    .nav-item span {
        font-size: 8px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}