/* ===================================================================
   Tondroo — Brand UI
   No shadows · No borders · No emoji · YekanBakh · RTL · Mobile-first
   =================================================================== */

:root {
  /* Brand */
  --green:        #01CC8B;
  --green-2:      #00E29A;
  --green-3:      #30F0B7;
  --green-hover:  #00B77D;
  --green-active: #009B6A;
  --dark:         #08131F;

  /* Surfaces */
  --bg:           #0F172A;
  --bg-2:         #0c1322;
  --card:         #162133;
  --card-2:       #1b2942;
  --line:         #253247;

  /* Text */
  --text:         #F8FAFC;
  --muted:        #8B9BB4;

  /* Status */
  --info:         #3B82F6;
  --warning:      #F59E0B;
  --error:        #EF4444;

  --grad: linear-gradient(135deg, #01CC8B 0%, #00D4A8 50%, #30F0B7 100%);
  --grad-soft: linear-gradient(135deg, #01CC8B 0%, #00E29A 100%);

  --r-sm: 12px;
  --r:    18px;
  --r-lg: 28px;
  --r-pill: 999px;

  --maxw: 1200px;
  --ease: cubic-bezier(.16,.84,.34,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
  font-family: 'YekanBakh', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--green); color: #052017; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ---- Ambient background glow (no shadow on elements, just scene light) ---- */
.scene {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .45;
}
.glow.g1 { width: 540px; height: 540px; top: -160px; right: -120px;
  background: radial-gradient(circle, rgba(1,204,139,.55), transparent 70%);
  animation: float1 16s var(--ease) infinite; }
.glow.g2 { width: 460px; height: 460px; bottom: -160px; left: -120px;
  background: radial-gradient(circle, rgba(48,240,183,.30), transparent 70%);
  animation: float2 20s var(--ease) infinite; }
.glow.g3 { width: 380px; height: 380px; top: 40%; left: 45%;
  background: radial-gradient(circle, rgba(0,210,168,.22), transparent 70%);
  animation: float1 24s var(--ease) infinite reverse; }
.grid-mask {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,50,71,.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,50,71,.25) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity: .5;
}
@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-40px,40px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(40px,-30px)} }

/* ---- Layout ---- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
section { position: relative; padding: 110px 0; }
.section-tag {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .82rem; font-weight: 600; color: var(--green);
  padding: 8px 16px; border-radius: var(--r-pill);
  background: rgba(1,204,139,.10);
  margin-bottom: 22px;
}
.section-tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.section-head { max-width: 680px; margin-bottom: 56px; }
h1, h2, h3 { font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 900; }
.lead { color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.18rem); }
.gr { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: inherit; font-weight: 700; font-size: 1rem;
  padding: 15px 30px; border-radius: var(--r-pill); cursor: pointer;
  border: 0; transition: transform .35s var(--ease), background .3s, color .3s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--grad-soft); color: #06231a; }
.btn-primary:hover { background: var(--green-hover); transform: translateY(-2px); }
.btn-ghost { background: var(--card); color: var(--text); }
.btn-ghost:hover { background: var(--card-2); transform: translateY(-2px); }
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(-6px); }

/* ---- Header ---- */
.header {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  transition: background .4s, padding .4s;
  padding: 20px 0;
}
.header.scrolled { background: rgba(12,19,34,.72); backdrop-filter: blur(18px); padding: 12px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand img { height: 30px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 16px; border-radius: var(--r-pill); color: var(--muted);
  font-weight: 600; font-size: .95rem; transition: color .25s, background .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255,255,255,.05); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 11px 22px; }
.nav-mobile, .nav-overlay { display: none; }
.burger { display: none; width: 46px; height: 46px; border-radius: 14px; background: var(--card);
  border: 0; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 13px; width: 20px; height: 2px; background: var(--text);
  border-radius: 2px; transition: .3s var(--ease); }
.burger span:nth-child(1){ top: 17px; } .burger span:nth-child(2){ top: 23px; } .burger span:nth-child(3){ top: 29px; }
.burger.open span:nth-child(1){ top: 23px; transform: rotate(45deg); }
.burger.open span:nth-child(2){ opacity: 0; }
.burger.open span:nth-child(3){ top: 23px; transform: rotate(-45deg); }

/* ---- Hero ---- */
.hero { padding-top: 190px; padding-bottom: 90px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); font-weight: 950; line-height: 1.12; }
.hero p.lead { margin: 26px 0 38px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 54px; flex-wrap: wrap; }
.hero-stats .num { font-size: 2rem; font-weight: 900; color: var(--text); }
.hero-stats .lbl { color: var(--muted); font-size: .9rem; }

/* Hero visual — animated infinity / orbit (filled, no border) */
.hero-visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; max-width: 100%; }
.orbit-stack { position: absolute; inset: 0; display: grid; place-items: center; }
.chips { position: absolute; inset: 0; pointer-events: none; }
.orbit { position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0 70%, rgba(1,204,139,.5) 85%, transparent 100%);
  -webkit-mask: radial-gradient(circle, transparent 60%, #000 61%);
          mask: radial-gradient(circle, transparent 60%, #000 61%);
  animation: spin 9s linear infinite; }
.orbit.o2 { inset: 14%; animation-duration: 14s; animation-direction: reverse; opacity: .6; }
.orbit.o3 { inset: 28%; animation-duration: 20s; opacity: .4; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-core { position: relative; width: 46%; aspect-ratio: 1; border-radius: 50%;
  background: var(--grad); display: grid; place-items: center; animation: pulse 4s var(--ease) infinite; }
.hero-core svg { width: 52%; }
@keyframes pulse { 0%,100%{ transform: scale(1);} 50%{ transform: scale(1.06);} }
.chip {
  position: absolute; background: var(--card-2); color: var(--text);
  padding: 10px 16px; border-radius: var(--r-pill); font-size: .85rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 8px;
  animation: floatChip 5s var(--ease) infinite;
}
.chip .d { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.chip.c1 { top: 6%; left: 0; }
.chip.c2 { top: 44%; right: -6%; animation-delay: .8s; }
.chip.c3 { bottom: 6%; left: 8%; animation-delay: 1.6s; }
@keyframes floatChip { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-12px);} }

/* ---- Marquee (text) ---- */
.marquee { padding: 36px 0; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 64px; width: max-content; animation: marq 26s linear infinite; }
.marquee-track span { color: var(--muted); font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
@keyframes marq { from { transform: translateX(0); } to { transform: translateX(50%); } }

/* ---- Logos Marquee ---- */
.logos-marquee { padding: 48px 0; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); background: var(--card); }
.logos-marquee-inner { position: relative; }
.logos-marquee-inner::before { content: 'همکاران ما'; position: absolute; top: -28px; right: 50%; transform: translateX(50%); font-size: .8rem; font-weight: 700; color: var(--muted); letter-spacing: .08em; opacity: .6; }
.logos-track { display: flex; align-items: center; gap: 72px; width: max-content; animation: marquee-logos 30s linear infinite; }
.logos-track img { height: 56px; width: auto; object-fit: contain; opacity: .7; filter: brightness(0) invert(1); transition: opacity .3s; pointer-events: none; user-select: none; }
@keyframes marquee-logos { from { transform: translateX(0); } to { transform: translateX(50%); } }

/* ---- Cards / services ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card {
  background: var(--card); border-radius: var(--r); padding: 34px 30px;
  transition: transform .4s var(--ease), background .4s; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); background: var(--card-2); }
.card .bar { width: 46px; height: 46px; border-radius: 14px; background: var(--grad-soft);
  display: grid; place-items: center; margin-bottom: 22px; }
.card .bar svg { width: 24px; height: 24px; }
.card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: .98rem; }
.card .idx { position: absolute; top: 22px; left: 26px; font-weight: 900; font-size: 1.1rem; color: var(--line); }

/* ---- Stats band ---- */
.stats-band { background: var(--card); border-radius: var(--r-lg); padding: 56px 40px; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; text-align: center; }
.stats-grid .num { font-size: clamp(2rem,5vw,3rem); font-weight: 950; }
.stats-grid .lbl { color: var(--muted); font-size: .95rem; margin-top: 4px; }

/* ---- Process / steps ---- */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.step { padding: 30px 26px; background: var(--card); border-radius: var(--r); transition: background .4s; }
.step:hover { background: var(--card-2); }
.step .n { font-size: 2.4rem; font-weight: 950; line-height: 1; margin-bottom: 16px; }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .94rem; }

/* ---- CTA ---- */
.cta-box { background: var(--grad); border-radius: var(--r-lg); padding: 70px 50px; text-align: center; position: relative; overflow: hidden; }
.cta-box h2 { color: #052017; }
.cta-box p { color: #063a2a; max-width: 520px; margin: 16px auto 32px; font-weight: 600; }
.cta-box .btn-dark { background: var(--dark); color: var(--text); }
.cta-box .btn-dark:hover { background: #04101b; transform: translateY(-2px); }

/* ---- Footer ---- */
.footer { padding: 80px 0 36px; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 56px; }
.footer .brand img { height: 30px; margin-bottom: 18px; }
.footer p.about { color: var(--muted); max-width: 300px; }
.footer h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 18px; font-weight: 700; }
.footer ul li { margin-bottom: 12px; }
.footer ul li a { color: var(--text); opacity: .8; transition: opacity .25s, color .25s; }
.footer ul li a:hover { opacity: 1; color: var(--green); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 30px; color: var(--muted); font-size: .9rem; flex-wrap: wrap; }
.footer-bottom .hr { height: 1px; background: var(--line); position: absolute; inset-inline: 24px; }

/* ---- Page header ---- */
.page-hero { padding-top: 180px; padding-bottom: 60px; text-align: center; }
.page-hero h1 { font-size: clamp(2.4rem,6vw,4rem); font-weight: 950; }
.page-hero p { color: var(--muted); max-width: 600px; margin: 18px auto 0; font-size: 1.1rem; }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: start; }
.info-item { display: flex; gap: 16px; margin-bottom: 26px; align-items: flex-start; }
.info-item .ic { width: 48px; height: 48px; border-radius: 14px; background: var(--card); display: grid; place-items: center; flex: none; }
.info-item .ic svg { width: 22px; height: 22px; }
.info-item h4 { font-size: 1.05rem; margin-bottom: 3px; }
.info-item p { color: var(--muted); font-size: .95rem; }
.form { background: var(--card); border-radius: var(--r-lg); padding: 40px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 9px; }
.field input, .field textarea {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg); border: 0; border-radius: var(--r-sm); padding: 15px 18px; outline: none;
  transition: background .25s;
}
.field input::placeholder, .field textarea::placeholder { color: #5d6b80; }
.field input:focus, .field textarea:focus { background: var(--bg-2); }
.field textarea { resize: vertical; min-height: 130px; }
.form .btn { width: 100%; }

/* ---- Flash messages ---- */
.flash { padding: 14px 20px; border-radius: var(--r-sm); margin-bottom: 22px; font-weight: 600; font-size: .95rem; }
.flash.success { background: rgba(1,204,139,.14); color: var(--green); }
.flash.error { background: rgba(239,68,68,.14); color: var(--error); }

/* ---- Value list ---- */
.values { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.value { display: flex; gap: 16px; padding: 26px; background: var(--card); border-radius: var(--r); transition: background .35s; }
.value:hover { background: var(--card-2); }
.value .tick { width: 30px; height: 30px; border-radius: 9px; background: rgba(1,204,139,.14); display: grid; place-items: center; flex: none; }
.value .tick svg { width: 16px; height: 16px; }
.value h4 { font-size: 1.1rem; margin-bottom: 6px; }
.value p { color: var(--muted); font-size: .94rem; }

/* ---- Reveal animation ---- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* ---- Responsive ---- */
@media (max-width: 980px) {
  .hero { padding-top: 150px; padding-bottom: 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 340px; margin: 0 auto; }
  .hero p.lead { margin: 22px 0 32px; }
  .hero-stats { margin-top: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .stats-grid { grid-template-columns: repeat(4,1fr); gap: 20px 10px; }
  .steps { grid-template-columns: repeat(2,1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-hero { padding-top: 140px; padding-bottom: 50px; }
}
@media (max-width: 760px) {
  section { padding: 72px 0; }
  .nav-links, .nav-cta .btn { display: none; }
  .burger { display: block; }
  .header { padding: 16px 0; }
  .header.scrolled { padding: 10px 0; }
  .nav-mobile {
    display: flex; position: fixed; inset: 0 0 0 auto; width: min(84vw, 320px); z-index: 99;
    background: var(--bg-2); padding: 96px 26px 40px; transform: translateX(100%);
    transition: transform .45s var(--ease); flex-direction: column; gap: 8px;
    overflow-y: auto;
  }
  .nav-mobile.open { transform: translateX(0); }
  .nav-mobile a { padding: 15px 18px; border-radius: var(--r-sm); font-weight: 700; font-size: 1.1rem; color: var(--text); }
  .nav-mobile a:hover, .nav-mobile a.active { background: var(--card); color: var(--green); }
  .nav-mobile .btn { margin-top: 16px; }
  .nav-overlay { display: block; position: fixed; inset: 0; background: rgba(8,19,31,.6); z-index: 98; opacity: 0; visibility: hidden; transition: .35s; backdrop-filter: blur(2px); }
  .nav-overlay.open { opacity: 1; visibility: visible; }
  /* Hero circle: compact circle with chips in a tidy row below (no overlap) */
  .hero-visual { aspect-ratio: auto; display: flex; flex-direction: column;
    align-items: center; gap: 26px; max-width: 100%; }
  .orbit-stack { position: relative; inset: auto; width: 210px; height: 210px; flex: none; }
  .chips { position: static; inset: auto; display: flex; flex-wrap: wrap;
    justify-content: center; gap: 10px; width: 100%; }
  .chip { position: static; inset: auto; top: auto; right: auto; bottom: auto; left: auto;
    animation: none; padding: 9px 15px; font-size: .85rem; }
  .section-head { margin-bottom: 40px; }
  .stats-band { padding: 44px 26px; }
  .stats-grid .num { font-size: clamp(1.4rem, 5vw, 2rem); }
  .stats-grid .lbl { font-size: .78rem; }
}
@media (max-width: 680px) {
  .grid-3, .grid-2, .values { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px 30px; }
  .stats-band { padding: 32px 14px; }
  .stats-grid .num { font-size: clamp(1.2rem, 4.5vw, 1.6rem); }
  .stats-grid .lbl { font-size: .72rem; }
  .cta-box { padding: 48px 24px; }
  .form { padding: 26px 20px; }
  .container { padding: 0 18px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; text-align: right; }
  .info-item { gap: 14px; margin-bottom: 22px; }
}
@media (max-width: 460px) {
  section { padding: 60px 0; }
  .hero { padding-top: 130px; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-stats { gap: 18px 24px; }
  .hero-stats > div { flex: 1 1 40%; }
  .hero-stats .num { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-box .btn { width: 100%; }
  .btn { padding: 14px 24px; }
  .hero-visual { max-width: 280px; }
}
@media (max-width: 360px) {
  .stats-grid { grid-template-columns: repeat(4,1fr); gap: 16px 6px; }
  .container { padding: 0 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}