/* پارس پویش — استایل اصلی */

:root {
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  --color-primary: #1e3a5f;
  --color-primary-hover: #152a45;
  --color-accent: #0d9488;
  --color-accent-soft: rgba(13, 148, 136, 0.12);
  --color-accent-2: #6366f1;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-lg: 16px;
  --font: "Vazirmatn", system-ui, sans-serif;
  --transition: 0.22s ease;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

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

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

.skip-link {
  position: absolute;
  top: -100px;
  right: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  z-index: 1000;
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* دکمه‌ها */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

/* هدر */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header.is-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  font-weight: 500;
  color: var(--color-text-muted);
}

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    z-index: 2;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 1.5rem 1.25rem;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list a {
    display: block;
    padding: 1rem 0;
  }

  .header-cta {
    margin-top: 1rem;
    text-align: center;
  }
}

/* هیرو */
.hero {
  position: relative;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(4rem, 10vw, 7rem);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(13, 148, 136, 0.15), transparent 50%),
    radial-gradient(ellipse 60% 50% at 0% 100%, rgba(99, 102, 241, 0.1), transparent 45%),
    linear-gradient(180deg, #f1f5f9 0%, var(--color-bg) 100%);
  pointer-events: none;
}

.hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2394a3b8' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.9;
}

.hero__content {
  position: relative;
  max-width: 40rem;
}

.hero__eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.hero__lead {
  margin: 0 0 2rem;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* بخش‌ها */
.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section__header {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--color-text);
}

.section__subtitle {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: var(--shadow-md);
}

/* خدمات */
.services {
  background: var(--color-surface);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .services__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}

.service-card {
  padding: 1.5rem;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
}

.service-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.service-card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* اعتماد */
.trust {
  background: var(--color-bg);
}

.trust__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 640px) {
  .trust__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .trust__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-item {
  padding: 1.5rem;
}

.trust-item__icon {
  display: flex;
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.trust-item__icon svg {
  width: 100%;
  height: 100%;
}

.trust-item__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 600;
}

.trust-item__text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* نمونه کار */
.portfolio {
  background: var(--color-surface);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio-card {
  padding: 0;
  overflow: hidden;
}

.portfolio-card:hover .portfolio-card__visual {
  transform: scale(1.03);
}

.portfolio-card__visual {
  height: 140px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2c5282 50%, var(--color-accent) 100%);
  transition: transform 0.4s ease;
}

.portfolio-card__visual--b {
  background: linear-gradient(135deg, #4338ca 0%, var(--color-accent-2) 60%, var(--color-accent) 100%);
}

.portfolio-card__visual--c {
  background: linear-gradient(135deg, #0f766e 0%, var(--color-accent) 50%, #94a3b8 100%);
}

.portfolio-card__visual--d {
  background: linear-gradient(135deg, #c2410c 0%, #ea580c 45%, var(--color-primary) 100%);
}

.portfolio-card__visual--e {
  background: linear-gradient(135deg, #1e3a5f 0%, #0369a1 50%, var(--color-accent-2) 100%);
}

.portfolio-card__title {
  margin: 0;
  padding: 1.25rem 1.25rem 0.5rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.portfolio-card__text {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* نظرات */
.testimonials {
  background: var(--color-bg);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.quote {
  margin: 0;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.quote__text {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  font-style: normal;
  color: var(--color-text);
  line-height: 1.8;
  flex: 1;
}

.quote__footer {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.quote__name {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  font-style: normal;
  color: var(--color-text);
}

.quote__role {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* CTA */
.cta {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  background: linear-gradient(160deg, var(--color-primary) 0%, #152a45 100%);
  color: #fff;
}

.cta__inner {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
}

.cta__title {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
}

.cta__text {
  margin: 0 0 1.75rem;
  font-size: 1rem;
  opacity: 0.92;
  line-height: 1.75;
}

.cta .btn--primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}

.cta .btn--primary:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* فوتر */
.site-footer {
  background: #0c1929;
  color: #cbd5e1;
  padding-top: 3rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2.5rem;
  }
}

.logo--footer {
  color: #fff;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.logo--footer:hover {
  color: var(--color-accent);
}

.footer__about {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  max-width: 28rem;
}

.footer__heading {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
}

.footer__address {
  font-style: normal;
  font-size: 0.875rem;
  line-height: 1.85;
}

.footer__address a {
  color: #e2e8f0;
}

.footer__address a:hover {
  color: var(--color-accent);
}

.social-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.social-list li {
  margin-bottom: 0.5rem;
}

.social-list a {
  color: #cbd5e1;
  font-size: 0.875rem;
}

.social-list a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.25rem 0;
}

.footer__bottom-inner {
  text-align: center;
}

.footer__copy {
  margin: 0;
  font-size: 0.8125rem;
  color: #94a3b8;
}

/* انیمیشن ورود */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn:hover {
    transform: none;
  }
}