/* ===================================
   SIRA SENDE! - WEBSITE STYLES
   Color Palette from App:
   Primary: #FF9500 (Orange)
   Background: #FAFAFA (Light)
   Dark: #121214
   =================================== */

/* CSS Variables */
:root {
    --primary: #FF9500;
    --primary-dark: #E68600;
    --primary-light: #FFB84D;
    --background: #FAFAFA;
    --surface: #FFFFFF;
    --text: #1F2937;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, #FF9500 0%, #FFB84D 100%);
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text);
    background: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.hero-phone {
    position: relative;
}

.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--background);
    border-radius: 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.app-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient);
    top: 10%;
    left: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient);
    bottom: 20%;
    right: -50px;
    animation: float 6s ease-in-out infinite 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--gradient);
    top: 50%;
    right: 20%;
    animation: float 7s ease-in-out infinite 1s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 149, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 149, 0, 0.4);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--background);
    border-color: var(--primary);
}

.btn-white {
    background: white;
    color: var(--text);
}

.btn-white:hover {
    background: var(--background);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Sections */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--surface);
}

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

.feature-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    background: var(--background);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    background: var(--surface);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--background);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    transition: all 0.3s ease;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: var(--gradient);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.footer {
    background: #1F2937;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
    color: white;
}

.footer-brand .logo-img {
    filter: brightness(0) invert(1);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

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

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

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

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 10px 30px var(--shadow);
        transition: left 0.3s ease;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-phone {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}