/* ================================================
   احسب لي - Landing Page Styles
   Syrian Currency Converter App
   ================================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #00A676;
    --primary-light: #00C896;
    --secondary: #FFB800;
    --secondary-soft: #C9B376;
    --bg-dark: #0A1F1C;
    --bg-darker: #061512;
    --bg-card: #0F2E28;
    --bg-card-hover: #153D35;

    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.75);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* Fonts */
    --font-arabic: 'Tajawal', sans-serif;
    --font-numbers: 'Rubik', sans-serif;

    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-width: min(90%, 1200px);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-arabic);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Ambient Background Glow */
.ambient-glow {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 166, 118, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 100% 50%, rgba(255, 184, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 0% 80%, rgba(0, 166, 118, 0.06) 0%, transparent 50%);
}

/* Section Container */
.section-container {
    width: var(--container-width);
    margin: 0 auto;
}

/* Section Title */
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: clamp(4rem, 10vw, 6rem) 2rem clamp(2rem, 5vw, 4rem);
    z-index: 1;
}

.hero-content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
}

.logo-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle, rgba(255, 184, 0, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(30px);
    animation: pulse 3s ease-in-out infinite;
}

.logo {
    width: clamp(120px, 25vw, 180px);
    height: auto;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 10px 40px rgba(255, 184, 0, 0.3));
    animation: float 4s ease-in-out infinite;
}

.title {
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary-soft) 50%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.tagline {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-weight: 500;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 100px;
    transition: var(--transition-smooth);
    box-shadow:
        0 4px 20px rgba(0, 166, 118, 0.4),
        0 0 0 0 rgba(0, 166, 118, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow:
        0 8px 30px rgba(0, 166, 118, 0.5),
        0 0 0 4px rgba(0, 166, 118, 0.2);
}

.download-btn:active {
    transform: translateY(-1px);
}

.download-icon {
    width: 22px;
    height: 22px;
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: fadeIn 1s ease-out 0.5s both;
}

.scroll-hint svg {
    width: 24px;
    height: 24px;
    animation: bounce 2s ease-in-out infinite;
}

/* ================================================
   ABOUT SECTION
   ================================================ */
.about {
    padding: clamp(2rem, 5vw, 4rem) 0;
    position: relative;
    z-index: 1;
}

.about-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.about-content.revealed {
    opacity: 1;
    transform: translateY(0);
}

.about-text {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.9;
}

.about-text strong {
    color: var(--secondary);
    font-weight: 700;
}

.conversion-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.conversion-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    min-width: 140px;
}

.conversion-item.highlight {
    background: linear-gradient(135deg, rgba(0, 166, 118, 0.2) 0%, rgba(0, 166, 118, 0.05) 100%);
    border-color: rgba(0, 166, 118, 0.3);
}

.conversion-value {
    font-family: var(--font-numbers);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.conversion-item.highlight .conversion-value {
    color: var(--primary-light);
}

.conversion-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.conversion-equals {
    font-family: var(--font-numbers);
    font-size: 2rem;
    color: var(--secondary);
    font-weight: 600;
}

.about-subtext {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ================================================
   WHY SECTION
   ================================================ */
.why {
    padding: clamp(2rem, 5vw, 4rem) 0;
    position: relative;
    z-index: 1;
}

.why-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem 2rem;
    background: linear-gradient(135deg, rgba(255, 184, 0, 0.08) 0%, rgba(0, 166, 118, 0.05) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 184, 0, 0.15);
}

.why-title {
    font-size: clamp(1.4rem, 3.5vw, 1.75rem);
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.why-text {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--text-secondary);
    line-height: 1.9;
}

/* ================================================
   FEATURES SECTION
   ================================================ */
.features {
    padding: clamp(2rem, 5vw, 4rem) 0;
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    transition: var(--transition-smooth);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }

.feature-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(0, 166, 118, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 166, 118, 0.15) 0%, rgba(255, 184, 0, 0.1) 100%);
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, rgba(0, 166, 118, 0.25) 0%, rgba(255, 184, 0, 0.15) 100%);
    transform: scale(1.1);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-light);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================
   PRICING SECTION
   ================================================ */
.pricing {
    padding: var(--section-padding) 0;
    position: relative;
    z-index: 1;
}

.pricing-card {
    max-width: 450px;
    margin: 0 auto;
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(15, 46, 40, 0.8) 100%);
    padding: 3rem 2.5rem;
    border-radius: 24px;
    text-align: center;
    position: relative;
    border: 1px solid rgba(255, 184, 0, 0.15);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.pricing-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    right: 50%;
    transform: translateX(50%);
    background: linear-gradient(135deg, var(--secondary) 0%, #E5A600 100%);
    color: var(--bg-dark);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 184, 0, 0.4);
}

.pricing-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}

.pricing-trial {
    color: var(--primary-light);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.pricing-card .download-btn {
    width: 100%;
    justify-content: center;
    margin-bottom: 2rem;
    border-radius: 14px;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.price-value {
    font-family: var(--font-numbers);
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-currency {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-equivalent {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 2rem;
    background: #25D366;
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 14px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
    background: #20BD5A;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
}

/* ================================================
   FOOTER
   ================================================ */
.footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    z-index: 1;
}

.footer-content {
    width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.footer-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-contact {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-contact:hover {
    color: #25D366;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(5px); }
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 768px) {
    .conversion-display {
        flex-direction: column;
        gap: 1rem;
    }

    .conversion-equals {
        transform: rotate(90deg);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        padding: 2.5rem 1.5rem;
    }

    .price-value {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .download-btn {
        width: 100%;
        justify-content: center;
    }

    .hero-content {
        padding: 0 1rem;
    }
}

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