/* =========================================================
   THEME.CSS - Plataforma Admisión 2027
   Colegio San Ignacio de Calama
   Base visual institucional
========================================================= */

:root{
    /* Colores institucionales */
    --csi-navy:#111827;
    --csi-blue-dark:#1e1b4b;
    --csi-blue:#1d4ed8;
    --csi-indigo:#312e81;
    --csi-purple:#5b21b6;
    --csi-gold:#facc15;
    --csi-gold-dark:#d97706;

    /* Estados */
    --csi-success:#16a34a;
    --csi-warning:#f59e0b;
    --csi-danger:#dc2626;
    --csi-info:#2563eb;

    /* Neutros */
    --csi-white:#ffffff;
    --csi-bg:#f8fafc;
    --csi-bg-soft:#eef2ff;
    --csi-card:#ffffff;
    --csi-text:#1e293b;
    --csi-muted:#64748b;
    --csi-border:#e2e8f0;

    /* Sombras */
    --shadow-sm:0 6px 16px rgba(15,23,42,.08);
    --shadow-md:0 14px 32px rgba(15,23,42,.12);
    --shadow-lg:0 24px 60px rgba(15,23,42,.20);

    /* Bordes */
    --radius-sm:10px;
    --radius-md:16px;
    --radius-lg:24px;
    --radius-xl:34px;

    /* Transiciones */
    --transition:.18s ease;
}

/* =========================================================
   Reset base
========================================================= */

*{
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    min-height:100vh;
    margin:0;
    background:
        radial-gradient(circle at top left, rgba(91,33,182,.14), transparent 30%),
        radial-gradient(circle at top right, rgba(250,204,21,.18), transparent 28%),
        linear-gradient(180deg,#f8fafc 0%,#eef2ff 48%,#ffffff 100%);
    color:var(--csi-text);
    font-family:"Segoe UI",Roboto,Arial,sans-serif;
    font-size:16px;
    line-height:1.6;
}

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

a{
    color:var(--csi-blue);
    font-weight:700;
    text-decoration:none;
    transition:var(--transition);
}

a:hover{
    color:var(--csi-purple);
    text-decoration:none;
}

::selection{
    background:rgba(250,204,21,.35);
    color:var(--csi-navy);
}

/* =========================================================
   Utilidades institucionales
========================================================= */

.text-csi{
    color:var(--csi-blue-dark) !important;
}

.text-gold{
    color:var(--csi-gold) !important;
}

.text-muted{
    color:var(--csi-muted) !important;
}

.bg-csi{
    background:linear-gradient(135deg,var(--csi-blue-dark),var(--csi-purple)) !important;
}

.bg-soft{
    background:var(--csi-bg-soft) !important;
}

.background-primary{
    background:linear-gradient(135deg,var(--csi-blue-dark),var(--csi-purple)) !important;
}

.csi-shadow-sm{
    box-shadow:var(--shadow-sm);
}

.csi-shadow-md{
    box-shadow:var(--shadow-md);
}

.csi-shadow-lg{
    box-shadow:var(--shadow-lg);
}

.rounded-csi{
    border-radius:var(--radius-lg) !important;
}

/* =========================================================
   Layout general
========================================================= */

.admision-page,
.admision-home,
.admision-home-premium{
    min-height:100vh;
}

.page-section{
    padding:70px 0;
}

.page-section-sm{
    padding:40px 0;
}

.section-eyebrow{
    display:inline-block;
    background:rgba(250,204,21,.14);
    border:1px solid rgba(250,204,21,.55);
    color:#92400e;
    padding:7px 15px;
    border-radius:999px;
    font-size:.78rem;
    font-weight:900;
    letter-spacing:.7px;
    text-transform:uppercase;
    margin-bottom:14px;
}

.section-title{
    color:var(--csi-blue-dark);
    font-weight:900;
    letter-spacing:-.4px;
    border-left:6px solid var(--csi-gold);
    padding-left:14px;
    margin-bottom:18px;
}

.section-subtitle{
    color:var(--csi-muted);
    font-size:1.05rem;
    max-width:780px;
}

/* =========================================================
   Hero institucional
========================================================= */

.admision-hero,
.home-premium-hero{
    position:relative;
    color:#fff;
    overflow:hidden;
    background:
        radial-gradient(circle at 12% 20%, rgba(250,204,21,.22), transparent 24%),
        radial-gradient(circle at 85% 12%, rgba(37,99,235,.25), transparent 28%),
        radial-gradient(circle at 50% 100%, rgba(91,33,182,.24), transparent 26%),
        linear-gradient(135deg,#111827 0%,#1e1b4b 48%,#312e81 100%);
    box-shadow:var(--shadow-lg);
}

.admision-hero{
    padding:64px 16px 76px;
    border-radius:0 0 36px 36px;
    text-align:center;
}

.home-premium-hero{
    min-height:calc(100vh - 120px);
    padding:78px 0;
}

.admision-hero::before,
.home-premium-hero::before{
    content:"";
    position:absolute;
    width:390px;
    height:390px;
    border-radius:50%;
    background:rgba(255,255,255,.06);
    right:-135px;
    bottom:-150px;
}

.admision-hero::after,
.home-premium-hero::after{
    content:"";
    position:absolute;
    width:250px;
    height:250px;
    border-radius:50%;
    border:1px solid rgba(250,204,21,.35);
    left:-80px;
    top:70px;
}

.admision-hero .container,
.home-premium-hero .container{
    position:relative;
    z-index:2;
}

.admision-badge,
.home-premium-badge{
    display:inline-block;
    background:rgba(250,204,21,.14);
    border:1px solid rgba(250,204,21,.65);
    color:#fde68a;
    padding:9px 18px;
    border-radius:999px;
    font-size:.8rem;
    font-weight:900;
    letter-spacing:.7px;
    text-transform:uppercase;
    margin-bottom:18px;
}

.admision-hero h1,
.home-premium-title{
    font-weight:900;
    letter-spacing:-1px;
    text-shadow:0 12px 32px rgba(0,0,0,.28);
}

.admision-hero h1{
    font-size:2.7rem;
    margin-bottom:14px;
}

.home-premium-title{
    font-size:4rem;
    line-height:1.02;
    margin-bottom:18px;
}

.admision-hero p,
.home-premium-text{
    color:#dbeafe;
    line-height:1.7;
}

.admision-hero p{
    font-size:1.08rem;
    max-width:820px;
    margin:0 auto;
}

.home-premium-quote{
    color:var(--csi-gold);
    font-size:1.35rem;
    font-weight:800;
    margin-bottom:18px;
}

.home-premium-text{
    font-size:1.08rem;
    max-width:680px;
}

/* =========================================================
   Cards base
========================================================= */

.csi-card,
.admision-card,
.home-premium-card{
    border:0;
    border-radius:var(--radius-lg);
    background:rgba(255,255,255,.96);
    box-shadow:var(--shadow-md);
    overflow:hidden;
    backdrop-filter:blur(10px);
}

.csi-card:hover,
.admision-card:hover{
    box-shadow:0 20px 48px rgba(15,23,42,.14);
}

.admision-card{
    margin-bottom:1.5rem;
}

.admision-card .card-header{
    background:
        linear-gradient(135deg,rgba(30,27,75,.07),rgba(250,204,21,.11));
    border-bottom:1px solid var(--csi-border);
    padding:24px 26px;
}

.admision-card .card-header h2,
.admision-card .card-header h3,
.admision-card .card-header h4{
    color:var(--csi-blue-dark);
    font-weight:900;
    margin:0;
}

.admision-card .card-body{
    padding:28px;
}

/* =========================================================
   Botones base
========================================================= */

.btn{
    border-radius:12px;
    font-weight:800;
    transition:var(--transition);
}

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

.btn-primary{
    background:linear-gradient(135deg,var(--csi-blue-dark),var(--csi-purple)) !important;
    border:0 !important;
    box-shadow:0 10px 22px rgba(91,33,182,.22);
}

.btn-success{
    background:linear-gradient(135deg,#15803d,#22c55e) !important;
    border:0 !important;
    box-shadow:0 10px 22px rgba(22,163,74,.20);
}

.btn-warning{
    background:linear-gradient(135deg,#facc15,#f59e0b) !important;
    border:0 !important;
    color:#111827 !important;
    box-shadow:0 10px 22px rgba(250,204,21,.24);
}

.btn-outline-light{
    border:2px solid rgba(255,255,255,.72);
    color:#fff;
}

.btn-outline-light:hover{
    background:#fff;
    color:var(--csi-blue-dark);
}

.btn-premium-main,
.btn-premium-outline{
    border-radius:999px;
    padding:14px 32px;
    font-weight:900;
}

.btn-premium-main{
    box-shadow:0 16px 30px rgba(250,204,21,.30);
}

/* =========================================================
   Formularios base
========================================================= */

.form-label,
label{
    color:var(--csi-blue-dark);
    font-weight:800;
}

.form-control,
.form-select{
    border-radius:12px;
    border:1px solid #cbd5e1;
    min-height:46px;
    color:var(--csi-text);
}

.form-control:focus,
.form-select:focus{
    border-color:var(--csi-purple);
    box-shadow:0 0 0 .2rem rgba(91,33,182,.14);
}

.input-group .form-control{
    border-top-left-radius:14px;
    border-bottom-left-radius:14px;
}

.input-group .btn{
    border-top-right-radius:14px;
    border-bottom-right-radius:14px;
}

/* =========================================================
   Alertas
========================================================= */

.alert{
    border:0;
    border-radius:18px;
    box-shadow:var(--shadow-sm);
}

.alert-info{
    background:linear-gradient(135deg,#eef2ff,#ffffff);
    color:var(--csi-blue-dark);
}

.alert-warning{
    background:linear-gradient(135deg,#fef3c7,#fff7ed);
    color:#92400e;
}

.alert-success{
    background:linear-gradient(135deg,#dcfce7,#f0fdf4);
    color:#166534;
}

.alert-danger{
    background:linear-gradient(135deg,#fee2e2,#fff1f2);
    color:#991b1b;
}

/* =========================================================
   Tablas
========================================================= */

.table{
    background:#fff;
    border-radius:14px;
    overflow:hidden;
}

.table th{
    font-weight:900;
}

.table thead.background-primary,
.table .background-primary{
    background:linear-gradient(135deg,var(--csi-blue-dark),var(--csi-purple)) !important;
}

/* =========================================================
   Listas / requisitos
========================================================= */

.requirement-list{
    list-style:none;
    padding-left:0;
    margin-bottom:0;
}

.requirement-list li{
    background:#fff;
    border:1px solid var(--csi-border);
    border-radius:16px;
    padding:14px 16px;
    margin-bottom:11px;
    display:flex;
    align-items:flex-start;
    gap:12px;
    box-shadow:0 6px 16px rgba(17,24,39,.04);
}

.requirement-list li::before{
    content:"✓";
    flex:0 0 28px;
    width:28px;
    height:28px;
    border-radius:50%;
    background:linear-gradient(135deg,#16a34a,#22c55e);
    color:white;
    font-weight:900;
    display:inline-flex;
    align-items:center;
    justify-content:center;
}

/* =========================================================
   Cajas informativas
========================================================= */

.info-box{
    background:linear-gradient(135deg,#ffffff,#f3f4ff);
    border:1px solid var(--csi-border);
    border-left:6px solid var(--csi-purple);
    border-radius:18px;
    padding:18px 20px;
    margin-bottom:16px;
    box-shadow:0 8px 20px rgba(91,33,182,.06);
}

.info-box strong{
    color:var(--csi-blue-dark);
}

/* =========================================================
   Home premium blocks
========================================================= */

.home-premium-actions{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    margin-top:30px;
}

.home-premium-features{
    display:flex;
    gap:16px;
    flex-wrap:wrap;
    margin-top:34px;
}

.home-premium-features div{
    background:rgba(255,255,255,.10);
    border:1px solid rgba(255,255,255,.16);
    border-radius:18px;
    padding:14px 18px;
    min-width:130px;
    backdrop-filter:blur(8px);
}

.home-premium-features strong{
    display:block;
    color:var(--csi-gold);
    font-size:1.35rem;
    font-weight:900;
}

.home-premium-features span{
    color:#e0ecff;
    font-size:.86rem;
}

.home-premium-card{
    color:var(--csi-text);
    padding:36px;
    position:relative;
}

.home-premium-card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:7px;
    background:linear-gradient(90deg,var(--csi-gold),var(--csi-purple),var(--csi-blue));
}

.home-premium-icon{
    width:92px;
    height:92px;
    border-radius:30px;
    background:linear-gradient(135deg,var(--csi-blue-dark),var(--csi-purple));
    color:var(--csi-gold);
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:22px;
    box-shadow:0 18px 34px rgba(91,33,182,.28);
}

.home-premium-card h3{
    color:var(--csi-blue-dark);
    font-weight:900;
}

.home-premium-card p{
    color:var(--csi-muted);
}

.premium-step{
    display:flex;
    gap:13px;
    padding:14px 0;
    border-bottom:1px solid var(--csi-border);
}

.premium-step:last-child{
    border-bottom:0;
}

.premium-step span{
    flex:0 0 36px;
    width:36px;
    height:36px;
    border-radius:50%;
    background:linear-gradient(135deg,#facc15,#f59e0b);
    color:#111827;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-weight:900;
}

.premium-step strong{
    display:block;
    color:var(--csi-blue-dark);
    font-weight:900;
}

.premium-step small{
    color:var(--csi-muted);
}