@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700;900&display=swap');

/* --- CSS VARIABLES (2026 SaaS Aesthetic) --- */
:root {
    --color-primary: #0A84FF;
    --color-primary-hover: #0070DF;
    --color-bg-pure: #FFFFFF;
    --color-bg-subtle: #F9FAFB;
    --color-text-deep: #111827;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;

    --font-sans: 'Cairo', sans-serif;

    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-primary: 0 4px 14px rgba(10, 132, 255, 0.25);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & GLOBAL --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg-pure);
    color: var(--color-text-deep);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 999px; /* 100% circular pill shape */
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(10, 132, 255, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-deep);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text-muted);
    background-color: var(--color-bg-subtle);
    transform: scale(1.05);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.button-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-pure);
    box-shadow: var(--shadow-primary);
}

.button-primary:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(10, 132, 255, 0.35);
}

.button-secondary {
    background-color: transparent;
    color: var(--color-text-deep);
    border-color: var(--color-border);
}

.button-secondary:hover {
    border-color: var(--color-text-muted);
    background-color: var(--color-bg-subtle);
    transform: scale(1.05);
}

/* --- HEADER & NAVIGATION --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    z-index: 1000;
    display: flex;
    justify-content: center;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1; /* Pushes links to center */
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
    justify-content: center;
    flex: 2; /* Takes up middle space */
}

.nav-cta {
    display: flex;
    justify-content: flex-end;
    flex: 1; /* Balances the flex layout on the right */
}

.nav-logo {
    display: block;
}

.brand-name {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

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

.nav-links a {
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 1rem;
}

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

/* Mobile Hamburger Menu */
.hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--color-text-deep);
    border-radius: 2px;
    transition: all var(--transition-smooth);
}

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

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

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

/* Mobile Dropdown */
.mobile-nav-dropdown {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-pure);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
    z-index: 999;
}

.mobile-nav-dropdown.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav-dropdown a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-deep);
    padding: 8px 0;
    border-bottom: 1px solid var(--color-bg-subtle);
}

.mobile-nav-dropdown .mobile-cta {
    margin-top: 12px;
    border-bottom: none;
    text-align: center;
}

/* Utility Classes for Responsive Visibility */
.desktop-only { display: flex; }
.mobile-only { display: none; }

@media (max-width: 768px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: flex; }
}

/* --- MAIN CANVAS & LAYOUT --- */
.main-canvas {
    flex-grow: 1;
    width: 100%;
    margin-top: 72px; /* Offset for fixed header */
}

/* --- HERO SECTION --- */
.hero {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 24px 60px;
    text-align: center;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-text-deep);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- FEATURES SECTION --- */
.features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.features-header {
    text-align: center;
    margin-bottom: 60px;
}

.features-header h2 {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--color-text-deep);
    margin-bottom: 12px;
}

.features-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--color-bg-pure);
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-soft);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text-deep);
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- MODERN FOOTER --- */
.footer {
    background-color: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    padding: 60px 24px 24px;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    margin-bottom: 16px;
}

.brand-name-footer {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.mission-statement {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 300px;
    text-align: right;
}

.footer-links-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-group h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-deep);
    margin-bottom: 8px;
}

.footer-links-group a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 900px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-headline {
        font-size: 2.8rem;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2.2rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .button {
        width: 100%;
    }
}