/* ================================================================
   DESIGN TOKENS
================================================================ */
:root {
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --blur: blur(16px);
  --blur-strong: blur(28px);
  --font-display: 'Space Grotesk', 'Vazirmatn', sans-serif;
  --font-body: 'Inter', 'Vazirmatn', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 76px;
  --accent-violet: #667eea;
  --accent-purple: #764ba2;
  --accent-cyan: #00d4ff;
  --accent-pink: #f093fb;
  --accent-red: #f5576c;
  --gradient-primary: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-purple) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-red) 100%);
  --gradient-anim: linear-gradient(120deg, var(--accent-violet), var(--accent-cyan), var(--accent-purple), var(--accent-violet));
  --term-green: #3ef07c;
}
html[data-theme="dark"] {
  --bg: #0a0a12; --bg-elevated: #0d0d16;
  --glass: rgba(255,255,255,0.06); --glass-hover: rgba(255,255,255,0.14); --glass-strong: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.1); --border-strong: rgba(255,255,255,0.22);
  --text: #ffffff; --text-secondary: #a8a8b8; --text-tertiary: #6b6b7a;
  --scrollbar-track: rgba(255,255,255,0.04);
  --gradient-primary-soft: linear-gradient(135deg, rgba(102,126,234,0.22) 0%, rgba(118,75,162,0.22) 100%);
  --particle-color: 255,255,255;
}
html[data-theme="light"] {
  --bg: #f5f7fa; --bg-elevated: #ffffff;
  --glass: rgba(255,255,255,0.7); --glass-hover: rgba(255,255,255,0.9); --glass-strong: rgba(255,255,255,0.8);
  --border: rgba(0,0,0,0.08); --border-strong: rgba(0,0,0,0.16);
  --text: #1a1a2e; --text-secondary: #4a4a6a; --text-tertiary: #7a7a95;
  --scrollbar-track: rgba(0,0,0,0.04);
  --gradient-primary-soft: linear-gradient(135deg, rgba(102,126,234,0.14) 0%, rgba(118,75,162,0.14) 100%);
  --particle-color: 102,126,234;
}
html[data-lang="en"] { --font-display: 'Space Grotesk', sans-serif; --font-body: 'Inter', sans-serif; }

/* Language switching: only one of each [data-fa-only]/[data-en-only]
   pair should ever be visible at once, based on <html data-lang="">.
   Without this rule both languages render side by side at all times,
   which is also what made the nav look cluttered — every link was
   showing its Persian AND English label together. */
html[data-lang="fa"] [data-en-only] { display: none !important; }
html[data-lang="en"] [data-fa-only] { display: none !important; }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body { background: var(--bg); color: var(--text); font-family: var(--font-body); line-height: 1.65; overflow-x: hidden; position: relative; min-height: 100vh; transition: background 0.5s var(--ease), color 0.5s var(--ease); }
h1, h2, h3, h4, .display { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.15; font-weight: 600; }
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3, html[dir="rtl"] h4, html[dir="rtl"] .display { font-family: 'Vazirmatn', sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--accent-cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--accent-violet); color: #fff; }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--gradient-primary); border-radius: 10px; }
html { scrollbar-width: thin; scrollbar-color: var(--accent-violet) var(--scrollbar-track); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 48px); }
section { position: relative; padding: 120px 0; }
@media (max-width: 992px) { section { padding: 96px 0; } }
@media (max-width: 768px) { section { padding: 76px 0; } }
@media (max-width: 576px) { section { padding: 60px 0; } }
@keyframes loaderGradient { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.ambient { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.32; will-change: transform; }
html[data-theme="light"] .orb { opacity: 0.18; }
.orb-1 { width: 560px; height: 560px; background: var(--accent-violet); top: -180px; inset-inline-start: -120px; animation: drift1 22s ease-in-out infinite; }
.orb-2 { width: 480px; height: 480px; background: var(--accent-cyan); top: 30%; inset-inline-end: -160px; animation: drift2 26s ease-in-out infinite; }
.orb-3 { width: 420px; height: 420px; background: var(--accent-pink); opacity: 0.14; bottom: -140px; inset-inline-start: 20%; animation: drift1 30s ease-in-out infinite reverse; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(60px,40px) scale(1.1); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-50px,60px) scale(0.95); } }
#particleCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; }
main, header, footer { position: relative; z-index: 1; }

/* GLASS COMPONENT */
.glass { background: var(--glass); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); border: 1px solid var(--border); border-radius: var(--radius-md); position: relative; overflow: hidden; transition: background 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease); }
.glass::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.08) 45%, transparent 60%); transform: translateX(-100%); transition: transform 0.8s var(--ease); pointer-events: none; }
.glass:hover::before { transform: translateX(100%); }
.glass:hover { background: var(--glass-hover); border-color: var(--border-strong); }
.glass-gradient-hover { position: relative; }
.glass-gradient-hover::after { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--gradient-anim); background-size: 300% 300%; -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity 0.4s var(--ease); pointer-events: none; }
.glass-gradient-hover:hover::after { opacity: 1; animation: loaderGradient 3s ease infinite; }
@media (max-width: 768px) {
  .glass { backdrop-filter: none; -webkit-backdrop-filter: none; background: linear-gradient(155deg, rgba(255,255,255,0.11) 0%, rgba(255,255,255,0.04) 100%); border-color: rgba(255,255,255,0.16); box-shadow: inset 0 1px 0 rgba(255,255,255,0.14), 0 10px 30px -14px rgba(0,0,0,0.5); }
  .glass:hover { background: linear-gradient(155deg, rgba(255,255,255,0.17) 0%, rgba(255,255,255,0.07) 100%); border-color: rgba(255,255,255,0.24); }
  html[data-theme="light"] .glass { background: linear-gradient(155deg, rgba(255,255,255,0.92) 0%, rgba(255,255,255,0.62) 100%); border-color: rgba(0,0,0,0.08); box-shadow: inset 0 1px 0 rgba(255,255,255,0.8), 0 10px 26px -16px rgba(102,126,234,0.28); }
  html[data-theme="light"] .glass:hover { background: linear-gradient(155deg, rgba(255,255,255,0.98) 0%, rgba(255,255,255,0.75) 100%); border-color: rgba(0,0,0,0.12); }
  .glass::before { display: none; }
  .glass-gradient-hover::after { display: none; }
}

/* HEADER */
header { position: fixed; top: 0; inset-inline: 0; z-index: 100; height: var(--header-h); display: flex; align-items: center; }
.header-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; background: var(--glass); background: color-mix(in srgb, var(--bg) 42%, transparent); backdrop-filter: var(--blur-strong); -webkit-backdrop-filter: var(--blur-strong); border-bottom: 1px solid var(--border-strong); box-shadow: inset 0 1px 0 rgba(255,255,255,0.07), 0 12px 34px -16px rgba(0,0,0,0.4); padding: 16px clamp(20px, 5vw, 48px); }
.logo { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
html[dir="rtl"] .logo { font-family: 'Vazirmatn', sans-serif; }
.logo-mark { width: 34px; height: 34px; border-radius: 9px; background: var(--gradient-anim); background-size: 300% 300%; animation: loaderGradient 6s ease infinite; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; font-weight: 700; color: #fff; flex-shrink: 0; }
nav ul { display: flex; gap: 8px; align-items: center; }
.nav-link { padding: 9px 16px; border-radius: 999px; font-size: 0.92rem; color: var(--text-secondary); transition: color 0.3s var(--ease), background 0.3s var(--ease); }
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--glass); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 999px; border: 1px solid var(--border); background: var(--glass); transition: all 0.3s var(--ease); font-size: 1rem; }
.icon-btn:hover { border-color: var(--border-strong); background: var(--glass-hover); transform: translateY(-2px); }
.lang-toggle { display: flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--glass); font-size: 0.85rem; font-weight: 600; transition: all 0.3s var(--ease); }
.lang-toggle:hover { border-color: var(--border-strong); background: var(--glass-hover); }
.lang-toggle i { font-size: 0.8rem; color: var(--accent-cyan); }
.support-btn { display: flex; align-items: center; gap: 7px; padding: 8px 16px; border-radius: 999px; background: var(--gradient-primary-soft); border: 1px solid var(--border); font-size: 0.85rem; font-weight: 600; color: var(--text); transition: all 0.3s var(--ease); }
.support-btn:hover { border-color: var(--border-strong); background: var(--gradient-primary); color: #fff; transform: translateY(-2px); }
.support-btn i { font-size: 0.85rem; }
@media (max-width: 560px) { .support-btn span { display: none; } .support-btn { padding: 8px 11px; } }
.auth-actions { display: flex; align-items: center; gap: 8px; }
.auth-login, .auth-signup { padding: 8px 16px; border-radius: 999px; font-size: 0.85rem; font-weight: 600; transition: all 0.3s var(--ease); }
.auth-login { color: var(--text-secondary); }
.auth-login:hover { color: var(--text); }
.auth-signup { background: var(--gradient-primary); color: #fff; box-shadow: 0 6px 18px -8px rgba(102,126,234,0.55); }
.auth-signup:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(102,126,234,0.65); }
@media (max-width: 960px) { .auth-actions { display: none; } }
.mobile-nav-auth { display: flex; gap: 10px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.mobile-nav-auth a { flex: 1; text-align: center; padding: 12px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 600; border-bottom: none !important; }
.mobile-nav-auth .auth-login { background: var(--glass); border: 1px solid var(--border); color: var(--text); }
.mobile-nav-auth .auth-signup { background: var(--gradient-primary); color: #fff; }
.theme-toggle { position: relative; }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); }
html[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0; transform: rotate(90deg) scale(0.4); }
html[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0) scale(1); color: #cdb4ff; }
html[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: rotate(0) scale(1); color: #f5a623; }
html[data-theme="light"] .theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.4); }
.nav-toggle { display: none; }
@media (max-width: 960px) { nav { display: none; } .nav-toggle { display: flex; } }
.mobile-nav { position: fixed; top: var(--header-h); inset-inline: 0; background: var(--bg-elevated); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: var(--blur-strong); -webkit-backdrop-filter: var(--blur-strong); border-bottom: 1px solid var(--border); padding: 20px clamp(20px, 5vw, 48px) 28px; display: flex; flex-direction: column; gap: 6px; transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all 0.35s var(--ease); z-index: 99; max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
.mobile-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
.mobile-nav a { padding: 13px 6px; font-size: 1.02rem; color: var(--text-secondary); border-bottom: 1px solid var(--border); }
.mobile-nav a:last-child { border-bottom: none; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.stagger > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: var(--header-h); position: relative; }
.hero-inner { max-width: 800px; margin: 0 auto; text-align: center; padding: 60px 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 28px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--term-green); box-shadow: 0 0 8px var(--term-green); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); background: var(--gradient-anim); background-size: 300% 300%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: loaderGradient 8s ease infinite; margin-bottom: 20px; filter: drop-shadow(0 0 40px rgba(102,126,234,0.35)); }
.hero .tagline { font-family: var(--font-display); font-size: clamp(1.2rem, 3vw, 1.7rem); font-weight: 500; color: var(--text); min-height: 1.4em; display: flex; align-items: center; justify-content: center; gap: 2px; margin-bottom: 22px; }
html[dir="rtl"] .hero .tagline { font-family: 'Vazirmatn', sans-serif; font-weight: 700; }
.tagline .grad-text { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
.type-cursor { display: inline-block; width: 3px; height: 1.1em; background: var(--accent-cyan); animation: blink 0.9s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero p.desc { color: var(--text-secondary); font-size: 1.08rem; max-width: 580px; margin: 0 auto 40px; }
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 30px; border-radius: 999px; font-size: 0.98rem; font-weight: 600; transition: all 0.35s var(--ease); }
.btn-primary { background: var(--gradient-primary); color: #fff; box-shadow: 0 8px 30px -8px rgba(102,126,234,0.55); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -8px rgba(118,75,162,0.6); }
.btn-ghost { background: var(--glass); border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--glass-hover); border-color: var(--border-strong); transform: translateY(-3px); }
.hero-socials { display: flex; gap: 12px; justify-content: center; }
.scroll-cue { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--text-tertiary); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.scroll-cue i { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* SOCIAL BUTTONS */
.social-btn { width: 46px; height: 46px; border-radius: 12px; background: var(--glass); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 1.05rem; color: var(--text); transition: all 0.35s var(--ease); }
.social-btn:hover { transform: translateY(-4px) scale(1.05); border-color: transparent; color: #fff; }
.social-btn.linkedin:hover { background: #0077b5; box-shadow: 0 10px 26px -8px rgba(0,119,181,0.7); }
.social-btn.instagram:hover { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); box-shadow: 0 10px 26px -8px rgba(220,39,67,0.6); }
.social-btn.telegram:hover { background: #0088cc; box-shadow: 0 10px 26px -8px rgba(0,136,204,0.7); }
.social-btn.github:hover { background: #333333; box-shadow: 0 10px 26px -8px rgba(0,0,0,0.5); }
html[data-theme="light"] .social-btn.github:hover { background: #24292e; }
.social-btn.call { background: var(--gradient-primary); border-color: transparent; }
.social-btn.call:hover { box-shadow: 0 10px 26px -8px rgba(102,126,234,0.6); }
.social-btn.bale:hover { background: #009688; box-shadow: 0 10px 26px -8px rgba(0,150,136,0.6); }

/* SECTION HEADERS */
.section-head { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-label { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 14px; }
html[dir="rtl"] .section-label { letter-spacing: 0; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; }
.section-head p { color: var(--text-secondary); font-size: 1.02rem; }

/* SKILLS */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 992px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .skills-grid { grid-template-columns: 1fr; } }
.skill-card { padding: 30px 26px; display: flex; flex-direction: column; gap: 16px; cursor: default; }
.skill-card:hover { transform: translateY(-6px); }
.skill-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff; background: var(--gradient-primary); box-shadow: 0 8px 24px -8px rgba(102,126,234,0.5); }
.skill-card:nth-child(3n+2) .skill-icon { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-violet)); box-shadow: 0 8px 24px -8px rgba(0,212,255,0.45); }
.skill-card:nth-child(3n+3) .skill-icon { background: var(--gradient-secondary); box-shadow: 0 8px 24px -8px rgba(245,87,108,0.45); }
.skill-card h3 { font-size: 1.15rem; font-weight: 700; }
.skill-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; flex: 1; }
.proficiency { display: flex; flex-direction: column; gap: 7px; }
.proficiency-label { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-tertiary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
html[dir="rtl"] .proficiency-label { letter-spacing: 0; }
.proficiency-track { height: 6px; border-radius: 999px; background: var(--scrollbar-track); overflow: hidden; }
.proficiency-fill { height: 100%; border-radius: 999px; background: var(--gradient-primary); width: 0%; transition: width 1.2s var(--ease); }
.skill-card:nth-child(3n+2) .proficiency-fill { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-violet)); }
.skill-card:nth-child(3n+3) .proficiency-fill { background: var(--gradient-secondary); }

/* PORTFOLIO */
.portfolio-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
@media (max-width: 768px) { .portfolio-grid { grid-template-columns: 1fr; } }
#portfolio .container { max-width: 1320px; }
.project-card { display: flex; flex-direction: column; overflow: hidden; }
.project-card:hover { transform: translateY(-6px); }
.project-thumb { height: 210px; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.project-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.35) 100%); }
.project-thumb i { font-size: 2.2rem; color: rgba(255,255,255,0.9); position: relative; z-index: 1; }
.thumb-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.thumb-2 { background: linear-gradient(135deg, #00d4ff, #667eea); }
.thumb-3 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.thumb-4 { background: linear-gradient(135deg, #26de81, #20bf6b); }
.thumb-5 { background: linear-gradient(135deg, #feca57, #ff9f43); }
.thumb-6 { background: linear-gradient(135deg, #764ba2, #f5576c); }
.project-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.project-body h3 { font-size: 1.08rem; }
.project-body p.pdesc { font-size: 0.88rem; color: var(--text-secondary); flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 0.72rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--gradient-primary-soft); border: 1px solid var(--border); color: var(--text-secondary); }
.project-links { display: flex; gap: 10px; margin-top: 4px; }
.link-btn { flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px; padding: 10px; border-radius: var(--radius-sm); font-size: 0.82rem; font-weight: 600; background: var(--glass); border: 1px solid var(--border); transition: all 0.3s var(--ease); }
.link-btn:hover { background: var(--glass-hover); border-color: var(--border-strong); }
.link-btn.demo { background: var(--gradient-primary-soft); }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card { padding: 30px 24px; display: flex; flex-direction: column; gap: 20px; }
.pricing-card:hover { transform: translateY(-6px); }
.pricing-card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.35rem; color: #fff; background: var(--gradient-primary); box-shadow: 0 8px 22px -8px rgba(102,126,234,0.5); }
.pricing-card h4 { font-size: 1.05rem; font-weight: 700; }
.pricing-price { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.pricing-price .prefix { font-size: 0.85rem; color: var(--text-tertiary); }
.pricing-price .amount { font-family: var(--font-display); font-size: 2rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }
html[dir="rtl"] .pricing-price .amount { font-family: 'Vazirmatn', sans-serif; }
.pricing-price .unit { font-size: 0.8rem; color: var(--text-tertiary); }
.pricing-features { display: flex; flex-direction: column; gap: 10px; flex: 1; }
.pricing-features li { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); list-style: none; }
.pricing-features li i { color: var(--accent-cyan); font-size: 0.78rem; margin-top: 4px; flex-shrink: 0; }
.pricing-cta { text-align: center; padding: 11px; border-radius: var(--radius-sm); background: var(--gradient-primary-soft); border: 1px solid var(--border); font-size: 0.88rem; font-weight: 600; transition: all 0.3s var(--ease); }
.pricing-cta:hover { background: var(--gradient-primary); color: #fff; border-color: transparent; }

/* STATS */
.stats-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 780px; margin: 0 auto; }
@media (max-width: 768px) { .stats-band { grid-template-columns: 1fr; max-width: 420px; } }
.stat-card { padding: 32px 22px; text-align: center; }
.stat-num { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 8px; }
html[dir="rtl"] .stat-num { font-family: 'Vazirmatn', sans-serif; }
.stat-card p { font-size: 0.85rem; color: var(--text-tertiary); font-weight: 500; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-text p { color: var(--text-secondary); margin-bottom: 18px; font-size: 1.02rem; }
.about-text .mission { padding: 22px 24px; border-inline-start: 3px solid transparent; border-image: var(--gradient-primary) 1; background: var(--glass); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text); font-size: 1.05rem; margin-top: 24px; }
html[dir="rtl"] .about-text .mission { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.about-stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.about-stats-grid .stat-card { padding: 26px 20px; }

/* TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr; } }
.testimonial-card { padding: 30px 26px; display: flex; flex-direction: column; gap: 18px; }
.testimonial-card:hover { transform: translateY(-6px); }
.testimonial-stars { color: var(--accent-pink); font-size: 0.85rem; letter-spacing: 3px; }
.testimonial-quote { font-size: 0.96rem; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.testimonial-person { display: flex; align-items: center; gap: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gradient-secondary); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 0.95rem; flex-shrink: 0; }
.testimonial-person .name { font-size: 0.92rem; font-weight: 600; }
.testimonial-person .role { font-size: 0.78rem; color: var(--text-tertiary); }

/* BLOG */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card { display: flex; flex-direction: column; overflow: hidden; }
.blog-card:hover { transform: translateY(-6px); }
.blog-thumb { height: 150px; position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.blog-thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.35) 100%); }
.blog-thumb i { font-size: 1.9rem; color: rgba(255,255,255,0.9); position: relative; z-index: 1; }
.blog-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-date { font-size: 0.76rem; color: var(--text-tertiary); font-weight: 600; letter-spacing: 0.03em; }
.blog-body h3 { font-size: 1.02rem; line-height: 1.4; }
.blog-body p { font-size: 0.86rem; color: var(--text-secondary); flex: 1; }
.blog-readmore { display: inline-flex; align-items: center; gap: 6px; font-size: 0.84rem; font-weight: 600; color: var(--accent-cyan); margin-top: 4px; }
.blog-readmore i { font-size: 0.72rem; transition: transform 0.3s var(--ease); }
.blog-card:hover .blog-readmore i { transform: translateX(-3px); }
html[dir="rtl"] .blog-card:hover .blog-readmore i { transform: translateX(3px); }
.templates-banner { display: flex; align-items: center; gap: 28px; padding: 36px 40px; flex-wrap: wrap; }
.templates-icon { width: 64px; height: 64px; border-radius: 18px; flex-shrink: 0; background: var(--gradient-secondary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 12px 30px -10px rgba(245,87,108,0.45); }
.templates-text { flex: 1; min-width: 220px; }
.templates-text h3 { font-size: 1.15rem; margin-bottom: 6px; }
.templates-text p { color: var(--text-secondary); font-size: 0.92rem; }
.templates-cta { flex-shrink: 0; white-space: nowrap; }
@media (max-width: 700px) { .templates-banner { flex-direction: column; text-align: center; padding: 30px 24px; } .templates-cta { width: 100%; justify-content: center; } }

/* SUPPORT/DOSSIER */
.support-card { display: flex; align-items: center; gap: 28px; padding: 44px 48px; flex-wrap: wrap; }
.support-icon { width: 64px; height: 64px; border-radius: 18px; flex-shrink: 0; background: var(--gradient-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; box-shadow: 0 12px 30px -10px rgba(102,126,234,0.5); }
.support-text { flex: 1; min-width: 240px; }
.support-text h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 10px; }
.support-text p { color: var(--text-secondary); font-size: 0.98rem; }
.support-cta { flex-shrink: 0; white-space: nowrap; }
@media (max-width: 700px) { .support-card { flex-direction: column; text-align: center; padding: 36px 26px; } .support-cta { width: 100%; justify-content: center; } }

/* CONTACT */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.contact-form { padding: 36px; display: flex; flex-direction: column; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 460px) { .field-row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.field label { font-size: 0.85rem; color: var(--text-secondary); font-weight: 500; }
.field input, .field textarea { background: var(--glass); background: color-mix(in srgb, var(--text) 4%, transparent); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 13px 16px; color: var(--text); font-family: inherit; font-size: 0.95rem; transition: all 0.3s var(--ease); resize: vertical; width: 100%; min-width: 0; }
.field input:focus, .field textarea:focus { border-color: var(--accent-cyan); outline: none; }
.field textarea { min-height: 120px; }
.submit-btn { background: var(--gradient-primary); color: #fff; padding: 14px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.98rem; display: flex; align-items: center; justify-content: center; gap: 10px; transition: all 0.35s var(--ease); }
.submit-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(102,126,234,0.5); }
.form-note { font-size: 0.78rem; color: var(--text-tertiary); text-align: center; }
.contact-info { padding: 36px; display: flex; flex-direction: column; }
.contact-info h3 { font-size: 1.2rem; margin-bottom: 14px; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 28px; font-size: 0.95rem; }
.contact-row { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-row:last-of-type { border-bottom: none; }
.contact-row i { width: 40px; height: 40px; border-radius: 10px; background: var(--gradient-primary-soft); display: flex; align-items: center; justify-content: center; color: var(--accent-violet); flex-shrink: 0; }
.contact-row .label { font-size: 0.78rem; color: var(--text-tertiary); }
.contact-row .value { font-size: 0.94rem; }
.phone-value { unicode-bidi: isolate; }
html[dir="rtl"] .phone-value { text-align: right; }
html[dir="ltr"] .phone-value { text-align: left; }
.social-links { display: flex; gap: 10px; margin-top: auto; padding-top: 24px; flex-wrap: wrap; }

/* AI CHATBOT */
.chatbot-fab { position: fixed; bottom: 26px; inset-inline-end: 26px; width: 60px; height: 60px; border-radius: 50%; background: var(--gradient-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; box-shadow: 0 10px 30px -6px rgba(102,126,234,0.6); z-index: 300; border: none; cursor: pointer; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), opacity 0.3s var(--ease); animation: fabPulse 3s ease-in-out infinite; }
.chatbot-fab:hover { transform: translateY(-4px) scale(1.06); box-shadow: 0 16px 40px -6px rgba(118,75,162,0.65); }
.chatbot-fab.is-hidden { opacity: 0; transform: scale(0.4); pointer-events: none; }
@keyframes fabPulse { 0%, 100% { box-shadow: 0 10px 30px -6px rgba(102,126,234,0.6); } 50% { box-shadow: 0 10px 34px -4px rgba(102,126,234,0.85); } }
.chatbot-overlay { position: fixed; inset: 0; z-index: 320; display: flex; align-items: flex-end; justify-content: flex-end; padding: 100px 26px 26px; background: transparent; opacity: 0; visibility: hidden; transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease); }
.chatbot-overlay.open { opacity: 1; visibility: visible; }
.chatbot-modal { width: min(380px, 100%); height: min(600px, 78vh); background: var(--bg-elevated); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: 0 30px 80px -20px rgba(0,0,0,0.5); display: flex; flex-direction: column; overflow: hidden; transform: translateY(24px) scale(0.96); opacity: 0; transition: transform 0.35s var(--ease), opacity 0.35s var(--ease); }
.chatbot-overlay.open .chatbot-modal { transform: translateY(0) scale(1); opacity: 1; }
.chatbot-modal-header { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--border); background: var(--gradient-primary-soft); flex-shrink: 0; }
.chatbot-modal-header .chatbot-icon { width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0; background: var(--gradient-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1rem; box-shadow: 0 6px 18px -6px rgba(102,126,234,0.55); }
.chatbot-modal-header h3 { font-size: 1rem; }
.chatbot-modal-close { margin-inline-start: auto; width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--glass); border: 1px solid var(--border); transition: all 0.3s var(--ease); flex-shrink: 0; }
.chatbot-modal-close:hover { background: var(--glass-hover); }
.chatbot-modal-body { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-height: 0; }
.chatbot-messages { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.chat-msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; font-size: 0.9rem; line-height: 1.55; word-break: break-word; }
.chat-msg.bot { align-self: flex-start; background: var(--glass-strong); border: 1px solid var(--border); }
.chat-msg.user { align-self: flex-end; background: var(--gradient-primary); color: #fff; }
.chat-msg.typing { display: flex; gap: 4px; align-items: center; padding: 13px 16px; }
.chat-msg.typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--text-tertiary); animation: typingDot 1.2s ease-in-out infinite; }
.chat-msg.typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot { 0%,60%,100% { opacity: 0.3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }
.chatbot-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border); flex-shrink: 0; }
.chatbot-input-row input { flex: 1; background: var(--glass); border: 1px solid var(--border); border-radius: 999px; padding: 10px 16px; color: var(--text); font-family: inherit; font-size: 0.9rem; min-width: 0; }
.chatbot-input-row input:focus { outline: none; border-color: var(--accent-cyan); }
.chatbot-send-btn { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; background: var(--gradient-primary); color: #fff; display: flex; align-items: center; justify-content: center; transition: transform 0.25s var(--ease); }
.chatbot-send-btn:hover { transform: scale(1.08); }
.chatbot-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
@media (max-width: 768px) {
  .chatbot-overlay { padding: 0; background: rgba(0,0,0,0.45); align-items: stretch; justify-content: stretch; }
  .chatbot-modal { width: 100%; height: 100%; max-height: 100%; border-radius: 0; transform: translateY(100%); }
  .chatbot-overlay.open .chatbot-modal { transform: translateY(0); }
}

/* AUTH PAGES & PRODUCT ID LOOKUP */
.auth-section { min-height: calc(100vh - var(--header-h)); display: flex; align-items: center; padding: 60px 0; }
.auth-card { max-width: 440px; margin: 0 auto; padding: 44px 40px; }
.auth-card-icon { width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 20px; background: var(--gradient-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 10px 28px -10px rgba(102,126,234,0.55); }
.auth-card h1 { font-size: 1.6rem; text-align: center; margin-bottom: 8px; }
.auth-card > p.auth-sub { text-align: center; color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 30px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .auth-form .field-row { grid-template-columns: 1fr; } }
.auth-note { font-size: 0.85rem; color: var(--text-tertiary); text-align: center; margin-top: 22px; }
.auth-note a { color: var(--accent-cyan); font-weight: 600; }
.auth-note a:hover { text-decoration: underline; }
.auth-status { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 0.85rem; margin-bottom: 18px; display: none; }
.auth-status.show { display: block; }
.auth-status.success { background: rgba(62,240,124,0.12); border: 1px solid rgba(62,240,124,0.3); color: var(--term-green); }
.auth-status.error { background: rgba(245,87,108,0.12); border: 1px solid rgba(245,87,108,0.3); color: var(--accent-red); }
.product-lookup-card { max-width: 640px; margin: 0 auto; padding: 44px 40px; }
.product-lookup-form { display: flex; gap: 12px; margin-bottom: 8px; }
@media (max-width: 560px) { .product-lookup-form { flex-direction: column; } }
.product-lookup-form input { flex: 1; min-width: 0; background: var(--glass); background: color-mix(in srgb, var(--text) 4%, transparent); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 13px 16px; color: var(--text); font-family: inherit; font-size: 0.95rem; transition: all 0.3s var(--ease); }
.product-lookup-form input:focus { border-color: var(--accent-cyan); outline: none; }
.product-lookup-hint { font-size: 0.82rem; color: var(--text-tertiary); margin-bottom: 28px; }
.product-result { display: none; margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--border); }
.product-result.show { display: block; }
.product-result-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.product-result-header h3 { font-size: 1.15rem; }
.warranty-badge { padding: 6px 14px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.warranty-badge.active { background: rgba(62,240,124,0.15); color: var(--term-green); border: 1px solid rgba(62,240,124,0.35); }
.warranty-badge.expired { background: rgba(245,87,108,0.15); color: var(--accent-red); border: 1px solid rgba(245,87,108,0.35); }
.product-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 480px) { .product-detail-grid { grid-template-columns: 1fr; } }
.product-detail-item { padding: 16px; border-radius: var(--radius-sm); background: var(--glass-strong); border: 1px solid var(--border); }
.product-detail-item .label { font-size: 0.76rem; color: var(--text-tertiary); margin-bottom: 6px; }
.product-detail-item .value { font-size: 1rem; font-weight: 600; }
.product-not-found { display: none; margin-top: 24px; padding: 18px 20px; border-radius: var(--radius-sm); background: rgba(245,87,108,0.1); border: 1px solid rgba(245,87,108,0.28); color: var(--accent-red); font-size: 0.9rem; }
.product-not-found.show { display: block; }

/* FOOTER */
footer { padding: 44px 0 32px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: 0.88rem; color: var(--text-secondary); transition: color 0.3s var(--ease); }
.footer-links a:hover { color: var(--text); }
.footer-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); text-align: center; }
footer p { color: var(--text-tertiary); font-size: 0.85rem; }
footer .brand-word { background: var(--gradient-primary); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }