/* =====================================
   ACADEMIA SIGMA
   MAIN STYLESHEET
===================================== */

/* ===== RESET ===== */

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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    color:#1E293B;
    background:#ffffff;
    line-height:1.7;
    overflow-x:hidden;
}

/* ===== VARIABLES ===== */

:root{

    --sigma-blue:#1F4E5F;
    --sigma-orange:#E56B3D;

    --text:#1E293B;

    --light:#F8FAFC;

    --gray:#64748B;

    --border:#E2E8F0;

    --shadow:
    0 10px 30px rgba(0,0,0,.06);

}

/* ===== TYPOGRAPHY ===== */

h1,h2,h3,h4{
    font-family:'Montserrat',sans-serif;
    line-height:1.2;
}

h1{
    font-size:64px;
}

h2{
    font-size:42px;
}

h3{
    font-size:24px;
}

p{
    color:#475569;
}

.section-title{

    text-align:center;

    margin-bottom:20px;

    color:var(--sigma-blue);

}

.section-subtitle{

    text-align:center;

    max-width:700px;

    margin:0 auto 60px auto;

}

/* ===== CONTAINER ===== */

.container{

    width:min(1200px,90%);

    margin:auto;

}

/* ===== LINKS ===== */

a{
    text-decoration:none;
}

/* ===== BUTTONS ===== */

.btn-primary{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    background:var(--sigma-orange);

    color:white;

    padding:15px 28px;

    border-radius:14px;

    font-weight:600;

    transition:.3s;
}

.btn-primary:hover{

    transform:translateY(-2px);

    opacity:.92;

}

.btn-secondary{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    border:2px solid var(--sigma-blue);

    color:var(--sigma-blue);

    padding:15px 28px;

    border-radius:14px;

    font-weight:600;

    transition:.3s;
}

.btn-secondary:hover{

    background:var(--sigma-blue);

    color:white;

}

/* ===== HEADER ===== */

header{

    position:sticky;

    top:0;

    z-index:1000;

    background:white;

    border-bottom:1px solid #edf2f7;

}

.navbar{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:18px 0;

}

.logo{

    display:flex;

    align-items:center;

    gap:16px;
}

.logo-image{

    width:90px;

    height:auto;

    display:block;

}

.navbar ul{

    display:flex;

    list-style:none;

    gap:32px;

}

.navbar ul a{

    color:var(--text);

    font-weight:500;

    transition:.3s;
}

.navbar ul a:hover{

    color:var(--sigma-orange);

}

/* ===== HERO ===== */

.hero{

    padding:100px 0;

    background:
    linear-gradient(
    180deg,
    #ffffff 0%,
    #f9fbfc 100%
    );

}

.hero-grid{

    display:grid;

    grid-template-columns:1.1fr .9fr;

    align-items:center;

    gap:80px;

}

.hero h1{

    margin-bottom:16px;

    color:var(--sigma-blue);

}

.hero h2{

    color:var(--sigma-orange);

    margin-bottom:24px;

}

.hero p{

    font-size:20px;

    max-width:650px;
}

.hero-buttons{

    display:flex;

    gap:16px;

    margin-top:40px;

}

.hero-visual img{

    width:100%;

    max-width:700px;

    height:auto;

}

/* ===== FEATURES ===== */

.features{

    padding:100px 0;

}

.feature-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:24px;

}

.card{

    background:white;

    border-radius:24px;

    padding:32px;

    box-shadow:var(--shadow);

    transition:.3s;
}

.card:hover{

    transform:translateY(-6px);

}

.card h3{

    color:var(--sigma-blue);

    margin-bottom:15px;

}

/* ===== HOW IT WORKS ===== */

.process{

    padding:100px 0;

    background:#f8fafc;

}

.process-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:24px;

}

.process-card{

    background:white;

    border-radius:20px;

    padding:30px;

    text-align:center;

    box-shadow:var(--shadow);

}

.process-number{

    width:60px;

    height:60px;

    margin:auto;

    border-radius:50%;

    background:var(--sigma-orange);

    color:white;

    display:flex;

    align-items:center;

    justify-content:center;

    font-weight:700;

    margin-bottom:20px;

}

/* ===== PROGRAMS ===== */

.programs{

    padding:100px 0;

}

.program-grid{

    display:grid;

    grid-template-columns:repeat(3,1fr);

    gap:24px;

}

.program-card{

    border-radius:24px;

    padding:40px;

    background:white;

    box-shadow:var(--shadow);

}

.program-card h3{

    color:var(--sigma-blue);

    margin-bottom:20px;

}

.price{

    font-size:42px;

    font-weight:700;

    color:var(--sigma-orange);

    margin-top:20px;

}

.highlight{

    background:var(--sigma-blue);

    color:white;
}

.highlight h3,
.highlight p,
.highlight .price{

    color:white;

}

/* ===== PRICING TABLE ===== */

.pricing{

    padding:100px 0;

    background:#f8fafc;

}

.pricing-table{

    overflow-x:auto;

    background:white;

    border-radius:20px;

    box-shadow:var(--shadow);

}

table{

    width:100%;

    border-collapse:collapse;

}

th{

    background:var(--sigma-blue);

    color:white;

    padding:18px;

}

td{

    padding:18px;

    border-bottom:1px solid #e5e7eb;

}

/* ===== OFFER ===== */

.offer{

    padding:90px 0;

    text-align:center;

    background:var(--sigma-orange);

    color:white;

}

.offer h2{

    color:white;

    margin-bottom:20px;

}

.offer p{

    color:white;

    font-size:20px;

}

/* ===== SUMMER ===== */

.summer{

    padding:100px 0;

}

.summer-banner{

    background:var(--sigma-blue);

    color:white;

    border-radius:30px;

    padding:60px;

    text-align:center;

}

.summer-banner p {
    color: #ffffff;
}

.summer-banner h2{

    color:white;

    margin-bottom:20px;

}

/* ===== FAQ ===== */

.faq{

    padding:100px 0;

    background:#f8fafc;

}

.faq-item{

    background:white;

    border-radius:16px;

    padding:24px;

    margin-bottom:16px;

    box-shadow:var(--shadow);

}

/* ===== CONTACT ===== */

.contact{

    padding:100px 0;

}

.contact-grid{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:40px;

}

.contact-card{

    background:#f8fafc;

    border-radius:24px;

    padding:40px;

}

.contact-card h3{

    margin-bottom:20px;

    color:var(--sigma-blue);

}

.form-group{

    margin-bottom:20px;

}

input,
textarea{

    width:100%;

    padding:14px;

    border:1px solid var(--border);

    border-radius:12px;

    font-family:inherit;

}

textarea{

    resize:vertical;

    min-height:140px;

}

/* ===== MAP ===== */

.map{

    margin-top:40px;

    border-radius:20px;

    overflow:hidden;

    box-shadow:var(--shadow);

}

/* ===== FOOTER ===== */

footer{

    background:var(--sigma-blue);

    color:white;

    padding:50px 0;

}

footer p{

    color:white;

}

/* ===== MOBILE ===== */

@media(max-width:992px){

    .hero-grid,
    .contact-grid{

        grid-template-columns:1fr;

    }

    .feature-grid{

        grid-template-columns:repeat(2,1fr);

    }

    .process-grid{

        grid-template-columns:repeat(2,1fr);

    }

    .program-grid{

        grid-template-columns:1fr;

    }

    h1{

        font-size:48px;

    }

}

@media(max-width:768px){

    .navbar{

        flex-direction:column;

        gap:20px;

    }

    .navbar ul{

        flex-wrap:wrap;

        justify-content:center;

    }

    .feature-grid,
    .process-grid{

        grid-template-columns:1fr;

    }

    h1{

        font-size:38px;

    }

    h2{

        font-size:32px;

    }

    .hero-buttons{

        flex-direction:column;

    }

    .summer-banner{

        padding:35px;

    }

}