/* ============================================
   FSW.IR - Modern Free Software Website
   Vazir font from CDN, fallback included
   ============================================ */

@font-face {
    font-family: 'Vazir';
    src: url('../fonts/Vazir.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazir';
    src: url('../fonts/Vazir-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}
body {
    font-family: 'Vazir', Tahoma, Geneva, Verdana, sans-serif;
}

/* === Variables === */
:root {
    --primary: #16a085;
    --primary-dark: #0e7c63;
    --primary-light: #2ecc71;
    --accent: #2980b9;
    --accent-hover: #1c6ea4;
    --dark: #1e272e;
    --gray-50: #f4f6f8;
    --gray-100: #eef0f2;
    --gray-200: #dfe4e8;
    --gray-300: #bcc1c6;
    --gray-500: #636e72;
    --gray-700: #2d3436;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.07);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.1);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.25s ease;
}

/* === Reset === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{color:var(--dark);background:var(--gray-50);line-height:1.8;overflow-x:hidden;direction:rtl}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 1.5rem}

/* === Text Gradient === */
.text-gradient{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.65rem 1.5rem;border-radius:var(--radius-md);font-weight:700;font-size:0.95rem;cursor:pointer;transition:all var(--transition);border:2px solid transparent;white-space:nowrap}
.btn--primary{background:var(--primary);color:var(--white);box-shadow:0 4px 12px rgba(22,160,133,0.3)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(22,160,133,0.4)}
.btn--outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--outline:hover{background:var(--primary);color:var(--white)}
.btn--lg{padding:0.8rem 2rem;font-size:1.05rem;border-radius:var(--radius-lg)}

/* === Header === */
.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,0,0,0.05)}
.header__inner{display:flex;align-items:center;justify-content:space-between;padding:0.7rem 0}
.logo{display:flex;align-items:center;gap:0.5rem;font-weight:700;font-size:1.4rem;color:var(--dark)}
.logo__dot{color:var(--primary)}
/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2.5px;background:var(--dark);border-radius:3px;transition:all var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
/* Nav */
.nav{display:flex;align-items:center;gap:2rem}
.nav__list{display:flex;gap:1.8rem}
.nav__link{font-weight:600;font-size:0.95rem;color:var(--gray-700);position:relative;transition:color var(--transition)}
.nav__link::after{content:'';position:absolute;bottom:-4px;right:0;width:0;height:2px;background:var(--primary);transition:width var(--transition);border-radius:2px}
.nav__link:hover,.nav__link.active{color:var(--primary)}
.nav__link:hover::after,.nav__link.active::after{width:100%}
.header-search{display:flex;gap:0.5rem}
.header-search input{width:150px;padding:0.4rem 0.8rem;border:1.5px solid var(--gray-200);border-radius:50px;font-size:0.85rem;outline:none;transition:border-color var(--transition);background:var(--white)}
.header-search input:focus{border-color:var(--primary);width:180px}
.header-search button{background:var(--primary);color:white;border:none;border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem}

@media(max-width:991px){
    .hamburger{display:flex}
    .nav{position:fixed;top:0;right:0;width:280px;height:100vh;background:var(--white);flex-direction:column;align-items:flex-start;padding:6rem 2rem 2rem;gap:1.5rem;transform:translateX(100%);transition:transform var(--transition);box-shadow:var(--shadow-lg);z-index:1000}
    .nav.active{transform:translateX(0)}
    .nav__list{flex-direction:column;width:100%;gap:1rem}
    .header-search{width:100%}
    .header-search input{width:100%!important}
}

/* === Hero === */
.hero{padding:4rem 0 3rem;background:linear-gradient(135deg,#e8f8f5 0%,#f4f6f8 100%)}
.hero__inner{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center}
@media(min-width:992px){.hero__inner{grid-template-columns:1fr 1fr}}
.hero__badge{display:inline-block;background:rgba(22,160,133,0.1);color:var(--primary);padding:0.35rem 1rem;border-radius:50px;font-weight:600;font-size:0.85rem;margin-bottom:1rem}
.hero__title{font-size:2.4rem;font-weight:900;line-height:1.3;color:var(--dark)}
.hero__desc{font-size:1.05rem;color:var(--gray-500);margin:1rem 0 1.5rem;max-width:500px}
.hero__actions{display:flex;flex-wrap:wrap;gap:0.8rem}
/* Hero Visual */
.hero-illustration{position:relative;width:300px;height:300px;margin:0 auto;display:flex;align-items:center;justify-content:center}
.hero-illust__shape{position:absolute;border-radius:50%;opacity:0.75}
.shape--circle{width:120px;height:120px;background:rgba(22,160,133,0.2);top:10%;left:5%;animation:float 6s infinite}
.shape--square{width:80px;height:80px;background:rgba(41,128,185,0.2);border-radius:12px;bottom:15%;right:5%;animation:float 5s infinite 1s}
.shape--triangle{width:0;height:0;border-left:50px solid transparent;border-right:50px solid transparent;border-bottom:80px solid rgba(22,160,133,0.1);bottom:20%;left:25%;animation:float 7s infinite 2s}
.hero-illust__icon{font-size:4rem;z-index:1}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}

/* === Section === */
.section{padding:4rem 0}
.section__header{text-align:center;margin-bottom:2rem}
.section__tag{display:inline-block;background:rgba(22,160,133,0.08);color:var(--primary);padding:0.25rem 1rem;border-radius:50px;font-weight:600;font-size:0.8rem;margin-bottom:0.5rem}
.section__title{font-size:1.8rem;font-weight:900;color:var(--dark)}
.section__footer-link{text-align:center;margin-top:2rem}

/* === Articles Grid === */
.articles-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:600px){.articles-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.articles-grid{grid-template-columns:repeat(3,1fr)}}
.article-card{background:var(--white);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:all var(--transition);display:flex;flex-direction:column;gap:0.8rem}
.article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.article-card__tag{font-size:0.75rem;color:var(--primary);font-weight:600}
.article-card h3{font-size:1.1rem;color:var(--dark);margin:0}
.article-card p{font-size:0.9rem;color:var(--gray-500);line-height:1.7}
.article-card__meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:0.8rem;color:var(--gray-300)}
.article-card__readmore{font-weight:700;color:var(--primary);transition:color var(--transition)}
.article-card__readmore:hover{color:var(--primary-dark)}

/* === Categories === */
.categories-grid{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.category-card{background:var(--white);padding:1.2rem 1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:0.8rem;font-weight:700;color:var(--dark);transition:all var(--transition);border:1px solid var(--gray-100);min-width:150px}
.category-card:hover{background:var(--primary);color:white;transform:translateY(-3px);box-shadow:0 8px 20px rgba(22,160,133,0.3)}
.category-card__icon{font-size:1.5rem}

/* === Page Hero (Articles, freedoms, etc.) === */
.page-hero{background:linear-gradient(135deg,#e8f8f5,#fff);padding:2.5rem 0;text-align:center}
.page-hero__title{font-size:2rem;font-weight:900;color:var(--dark)}
.articles-search-box{margin-top:1.5rem;display:flex;justify-content:center}
.articles-search-box input{width:300px;max-width:90%;padding:0.7rem 1.2rem;border:2px solid var(--gray-200);border-radius:50px;font-size:1rem;outline:none;transition:border-color var(--transition)}
.articles-search-box input:focus{border-color:var(--primary)}

/* === Article Page === */
.article-page{max-width:800px;margin:2rem auto;background:var(--white);padding:2.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.article-header .article-tag{display:inline-block;background:rgba(22,160,133,0.1);color:var(--primary);padding:0.2rem 0.8rem;border-radius:50px;font-size:0.8rem;margin-bottom:0.5rem}
.article-header h1{font-size:2rem;margin:0.5rem 0 0.2rem}
.article-meta{color:var(--gray-300);font-size:0.9rem;margin-bottom:1.5rem}
.article-content p{margin-bottom:1.2rem;color:var(--gray-700);line-height:2}

/* === Freedom Cards === */
.freedom-cards{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:600px){.freedom-cards{grid-template-columns:repeat(2,1fr)}}
.freedom-card{background:var(--white);padding:1.8rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);text-align:center;border-top:4px solid var(--primary);transition:all var(--transition)}
.freedom-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.freedom-card__num{display:inline-block;width:46px;height:46px;background:var(--primary);color:white;border-radius:50%;font-size:1.4rem;font-weight:900;line-height:46px;margin-bottom:0.8rem}
.quote{background:var(--gray-50);padding:1.5rem;border-right:4px solid var(--primary);margin-top:2rem;font-style:italic;color:var(--gray-700)}

/* === License Cards === */
.license-card{background:var(--white);padding:1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:1rem;border-right:3px solid var(--primary)}
.license-card h2{font-size:1.3rem;margin-bottom:0.4rem}
.license-card p{color:var(--gray-500)}

/* === Contribute List === */
.contribute-list li{margin-bottom:1rem;font-size:1.05rem}

/* === Footer === */
.footer{background:var(--dark);color:#b2bec3;padding:3rem 0 0}
.footer__inner{display:grid;grid-template-columns:1fr;gap:2rem;padding-bottom:2rem}
@media(min-width:768px){.footer__inner{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.footer__inner{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer__title{color:white;font-weight:700;margin-bottom:0.8rem}
.footer__links li{margin-bottom:0.4rem}
.footer__links a{font-size:0.9rem;transition:color var(--transition)}
.footer__links a:hover{color:var(--primary-light)}
.footer__bottom{border-top:1px solid rgba(255,255,255,0.1);padding:1rem 0;text-align:center;font-size:0.85rem}
.footer__desc{font-size:0.9rem;margin-top:0.5rem;line-height:1.8}

/* Scroll Top */
.scroll-top{position:fixed;bottom:25px;left:25px;width:42px;height:42px;border-radius:50%;background:var(--primary);color:white;border:none;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(15px);transition:all var(--transition);z-index:999;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}
.scroll-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.scroll-top:hover{background:var(--primary-dark)}