/* =========================================================
   AiPendar Landing Page - Custom Styles
   - RTL, Modern, Minimal
   - Works with local Bootstrap 5
   ========================================================= */

/* ----------------- Root & Global ----------------- */
:root {
    --color-bg: #050816;
    --color-bg-alt: #0b1020;
    --color-primary: #2563eb;
    --color-primary-soft: rgba(37, 99, 235, 0.1);
    --color-secondary: #06b6d4;
    --color-accent: #22c55e;
    --color-text: #e5e7eb;
    --color-muted: #9ca3af;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.45);
    --radius-lg: 18px;
    --radius-md: 12px;
    --transition-fast: 0.2s ease-out;
    --transition-base: 0.35s ease-out;
    --blur-bg: blur(14px);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: 70px; /* space for fixed navbar */
    font-family: Vazirmatn,system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #0f172a 0, #020617 48%, #020617 100%);
    color: var(--color-text);
}

/* Improve default link appearance */
a {
    color: var(--color-secondary);
    text-decoration: none;
}

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

/* Utility padding for sections */
.section-padding {
    padding: 80px 0;
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: 60px 0;
    }
}

/* ----------------- Navbar ----------------- */

.custom-navbar {
    backdrop-filter: var(--blur-bg);
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.55));
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    transition: background var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
    padding-top: 10px;
    padding-bottom: 10px;
}

.custom-navbar.navbar-scrolled {
    background: rgba(15, 23, 42, 0.98);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.65);
    padding-top: 6px;
    padding-bottom: 6px;
}

.navbar-brand {
    font-size: 1.1rem;
    letter-spacing: 0.04em;
}

.brand-subtitle {
    color: var(--color-muted);
    font-size: 0.8rem;
    margin-right: 0.6rem;
}

.nav-link {
    font-size: 0.9rem;
    color: #cbd5f5 !important;
    position: relative;
    padding-inline: 0.7rem !important;
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 4px;
    width: 0;
    height: 2px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    border-radius: 999px;
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

.navbar-toggler {
    border-color: rgba(148, 163, 184, 0.6);
    padding: 0.35rem 0.45rem;
    margin-left: 1.1rem;
}

/* ----------------- Hero Section ----------------- */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.25), transparent 50%),
        radial-gradient(circle at 85% 15%, rgba(14, 165, 233, 0.22), transparent 50%),
        radial-gradient(circle at 50% 110%, rgba(56, 189, 248, 0.22), transparent 52%),
        #020617;
}

.hero-parallax-layer {
    position: absolute;
    inset: -30%;
    background: radial-gradient(circle at 20% 0%, rgba(94, 234, 212, 0.15), transparent 55%);
    pointer-events: none;
    opacity: 0.8;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.hero-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    line-height: 1.4;
}

.hero-subtitle {
    color: var(--color-muted);
    max-width: 32rem;
    line-height: 1.8;
}

.hero-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.hero-bullets li {
    position: relative;
    padding-right: 1.6rem;
    margin-bottom: 0.35rem;
}

.hero-bullets li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.4rem;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: radial-gradient(circle, var(--color-secondary), var(--color-primary));
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.8);
}

/* Buttons override */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    box-shadow: 0 10px 28px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
    box-shadow: 0 12px 32px rgba(15, 118, 210, 0.55);
}

.btn-outline-light {
    border-color: rgba(148, 163, 184, 0.7);
    color: #e5e7eb;
    background: rgba(15, 23, 42, 0.6);
}

.btn-outline-light:hover {
    background: rgba(30, 64, 175, 0.9);
    border-color: transparent;
}

/* Hero visual */
.hero-visual {
    position: relative;
    padding: 1.6rem;
    border-radius: 24px;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.85));
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.35);
    overflow: hidden;
    margin-inline: auto;
}

.hero-svg {
    width: 100%;
    display: block;
}

/* Animated lines and nodes */
.line-pulse {
    animation: linePulse 3s ease-in-out infinite;
}

.node {
    animation: nodePulse 3.2s ease-in-out infinite;
}

.node-main {
    animation-delay: 0.2s;
}

.node-glow {
    animation: glowPulse 3.4s ease-in-out infinite;
}

/* Moving cars */
.car {
    animation-duration: 5s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    opacity: 0.95;
}

.car-1 {
    animation-name: carMove1;
}

.car-2 {
    animation-name: carMove2;
}

.car-3 {
    animation-name: carMove3;
}

.hero-legend {
    margin-top: 1.2rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.85));
    border: 1px solid rgba(148, 163, 184, 0.4);
    padding: 0.9rem 1rem;
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* ----------------- Section Titles & Backgrounds ----------------- */

.section-title h2 {
    font-size: 1.6rem;
}

.section-title p {
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.bg-section {
    background: radial-gradient(circle at top, #020617, #020617 40%, #020617 100%);
}

/* ----------------- Cards: Services, Features, Solutions, Projects ----------------- */

.service-card,
.feature-card,
.solution-card,
.project-card,
.contact-form-card {
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.96));
    border: 1px solid rgba(148, 163, 184, 0.25);
    padding: 1.4rem 1.35rem;
    position: relative;
    overflow: hidden;
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        border-color var(--transition-base),
        background var(--transition-base);
}

.service-card::before,
.feature-card::before,
.solution-card::before,
.project-card::before,
.contact-form-card::before {
    content: "";
    position: absolute;
    inset-inline-end: -30%;
    inset-block-start: -40%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.16), transparent 58%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.service-card:hover,
.feature-card:hover,
.solution-card:hover,
.project-card:hover,
.contact-form-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.7);
    border-color: rgba(129, 140, 248, 0.6);
}

.service-card:hover::before,
.feature-card:hover::before,
.solution-card:hover::before,
.project-card:hover::before,
.contact-form-card:hover::before {
    opacity: 1;
}

.contact-form-card .form-control::placeholder,
.contact-form-card textarea::placeholder {
    color: rgba(229, 231, 235, 0.78);
}

/* --- Service Card --- */
.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #f9fafb;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.65);
}

.service-icon i {
    font-size: inherit;
}

/* --- Feature Card --- */
.feature-card {
    text-align: center;
}

.feature-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.feature-icon-circle::before {
    content: "";
    position: absolute;
    inset: 7px;
    border-radius: inherit;
    background: radial-gradient(circle, var(--color-secondary), transparent 65%);
    opacity: 0.32;
}

.feature-icon-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: radial-gradient(circle, #ffffff, #38bdf8);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.9);
}

/* --- Solutions --- */
.solution-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.solution-list li {
    position: relative;
    padding-right: 1.4rem;
    margin-bottom: 0.3rem;
}

.solution-list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.4rem;
    width: 9px;
    height: 9px;
    border-radius: 999px;
    border: 2px solid rgba(56, 189, 248, 0.75);
}

/* --- Projects --- */
.project-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    background: rgba(59, 130, 246, 0.15);
    color: #bfdbfe;
}

.project-metrics {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.project-metrics li {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.15rem;
}

.project-metrics span {
    color: #e5e7eb;
}

/* ----------------- Clients / Logos ----------------- */

.client-logo {
    border-radius: var(--radius-md);
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
    border: 1px solid rgba(148, 163, 184, 0.4);
    padding: 1.2rem 0.4rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-muted);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.client-logo span {
    display: inline-block;
    border-radius: 999px;
    padding: 0.2rem 0.9rem;
    background: var(--color-primary-soft);
    color: #e5e7eb;
}

.client-logo:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.65);
    border-color: rgba(129, 140, 248, 0.6);
}

/* ----------------- Contact & Social ----------------- */

.contact-info p {
    font-size: 0.92rem;
    color: var(--color-muted);
}

.social-links .social-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.9rem;
    border-radius: 999px;
    font-size: 0.82rem;
    border: 1px solid rgba(148, 163, 184, 0.6);
    color: #e5e7eb;
    background: rgba(15, 23, 42, 0.85);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.social-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.7);
    border-color: rgba(129, 140, 248, 0.9);
}

.social-pill.telegram:hover {
    background: linear-gradient(to left, #0ea5e9, #38bdf8);
}

.social-pill.linkedin:hover {
    background: linear-gradient(to left, #2563eb, #1d4ed8);
}

.social-pill.whatsapp:hover {
    background: linear-gradient(to left, #22c55e, #16a34a);
}

.social-pill.github:hover {
    background: linear-gradient(to left, #111827, #020617);
}

/* Contact form */
.contact-form-card {
    margin-top: 0.3rem;
}

.form-control {
    background-color: rgba(15, 23, 42, 0.9);
    border-color: rgba(55, 65, 81, 0.8);
    color: #e5e7eb;
}

.form-control:focus {
    border-color: rgba(59, 130, 246, 0.9);
    box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.6);
    background-color: rgba(15, 23, 42, 0.98);
}

.form-label {
    font-size: 0.85rem;
}

.form-status {
    font-size: 0.84rem;
}

/* ----------------- Footer ----------------- */

.site-footer {
    padding: 20px 0;
    border-top: 1px solid rgba(148, 163, 184, 0.28);
    background: rgba(2, 6, 23, 0.98);
    font-size: 0.85rem;
    color: var(--color-muted);
}

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

.footer-links a:hover {
    color: #e5e7eb;
}

/* ----------------- Animations (fade, slide) ----------------- */

[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.6s ease-out,
        transform 0.6s ease-out;
}

[data-animate].in-view {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-left"] {
    transform: translateX(26px);
}

[data-animate="fade-left"].in-view {
    transform: translateX(0);
}

[data-animate="fade-right"] {
    transform: translateX(-26px);
}

[data-animate="fade-right"].in-view {
    transform: translateX(0);
}

/* Keyframes for SVG and cars */
@keyframes linePulse {
    0%, 100% {
        stroke-opacity: 0.6;
    }
    50% {
        stroke-opacity: 1;
    }
}

@keyframes nodePulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.35;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes carMove1 {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(280px);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes carMove2 {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-280px);
    }
    100% {
        transform: translateX(0);
    }
}

@keyframes carMove3 {
    0% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(260px);
    }
    100% {
        transform: translateX(0);
    }
}

/* ----------------- Responsive Tweaks ----------------- */

@media (max-width: 991.98px) {
    body {
        padding-top: 65px;
    }

    .hero-section {
        padding-top: 20px;
        padding-bottom: 40px;
        padding-inline: 1rem;
    }

    .hero-visual {
        margin-top: 1.8rem;
    }
}

@media (max-width: 575.98px) {
    .service-card,
    .feature-card,
    .solution-card,
    .project-card,
    .contact-form-card {
        padding: 1.1rem 1.05rem;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .nav-link::after {
        display: none; /* cleaner on very small screens */
    }
}