/* ==========================================================
RESET.CSS
Performance Landing Framework
Author: Дмитрий Ходаницкий
========================================================== */

/* Box Model */
*,
*::before,
*::after{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

/* HTML */

html{

    scroll-behavior:smooth;

    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;

    text-rendering:optimizeLegibility;

    -webkit-text-size-adjust:100%;

}

/* Body */

body{

    min-height:100vh;

    overflow-x:hidden;

    background:#ffffff;

}

/* Typography */

body,
button,
input,
textarea{

    font-family:Inter,sans-serif;

}

/* Links */

a{

    color:inherit;

    text-decoration:none;

}

/* Lists */

ul,
ol{

    list-style:none;

}

/* Images */

img,
picture{

    display:block;

    max-width:100%;

}

/* Form */

button,
input,
textarea,
select{

    border:none;

    outline:none;

    background:none;

    font:inherit;

}

button{

    cursor:pointer;

}

/* Tables */

table{

    border-collapse:collapse;

    border-spacing:0;

}

/* SVG */

svg{

    display:block;

}

/* Utility */

.hidden{

    display:none;

}

/* ==========================================================
VARIABLES.CSS
Performance Landing Framework
========================================================== */

:root{

    /* ===== Colors ===== */

    --color-primary:#2563EB;
    --color-primary-hover:#1D4ED8;

    --color-text:#111827;
    --color-text-light:#6B7280;

    --color-bg:#FFFFFF;
    --color-bg-secondary:#F8FAFC;

    --color-border:#E5E7EB;

    --glass-bg:rgba(255,255,255,.72);
    --glass-border:rgba(255,255,255,.55);

    /* ===== Radius ===== */

    --radius-xs:8px;
    --radius-sm:12px;
    --radius-md:18px;
    --radius-lg:24px;
    --radius-xl:36px;
    --radius-pill:999px;

    /* ===== Shadows ===== */

    --shadow-sm:0 4px 12px rgba(0,0,0,.05);

    --shadow-md:0 12px 32px rgba(0,0,0,.08);

    --shadow-lg:0 24px 60px rgba(0,0,0,.12);

    /* ===== Container ===== */

    --container:1320px;
    --container-wide:1440px;

    /* ===== Spacing ===== */

    --space-1:8px;
    --space-2:16px;
    --space-3:24px;
    --space-4:32px;
    --space-5:48px;
    --space-6:64px;
    --space-7:96px;
    --space-8:120px;
    --space-9:160px;

    /* ===== Typography ===== */

    --fs-xs:clamp(.75rem,.72rem + .1vw,.85rem);

    --fs-sm:clamp(.875rem,.83rem + .2vw,1rem);

    --fs-base:clamp(1rem,.95rem + .25vw,1.125rem);

    --fs-lg:clamp(1.25rem,1.1rem + .5vw,1.5rem);

    --fs-xl:clamp(2rem,1.5rem + 1vw,3rem);

    --fs-hero:clamp(3rem,5vw,5.8rem);

    /* ===== Animation ===== */

    --transition-fast:.25s ease;

    --transition:.4s cubic-bezier(.4,0,.2,1);

    --transition-slow:.8s cubic-bezier(.2,.8,.2,1);

}

/* ==========================================================
GLOBAL.CSS
Performance Landing Framework
========================================================== */

/* ---------- Base ---------- */

body{
    font-family:Inter,sans-serif;
    font-size:var(--fs-base);
    line-height:1.6;
    color:var(--color-text);
    background:var(--color-bg);
}

/* ---------- Container ---------- */

.container{
    width:min(100% - 48px,var(--container));
    margin-inline:auto;
}

.container-wide{
    width:min(100% - 48px,var(--container-wide));
    margin-inline:auto;
}

/* ---------- Sections ---------- */

.section{
    padding:var(--space-9) 0;
}

.section-sm{
    padding:var(--space-7) 0;
}

/* ---------- Typography ---------- */

h1{
    font-size:var(--fs-hero);
    font-weight:800;
    line-height:.95;
    letter-spacing:-.04em;
}

h2{
    font-size:var(--fs-xl);
    font-weight:700;
    line-height:1.05;
    letter-spacing:-.03em;
}

h3{
    font-size:var(--fs-lg);
    font-weight:600;
}

p{
    color:var(--color-text-light);
}

/* ---------- Buttons ---------- */

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:12px;

    padding:18px 30px;

    border-radius:var(--radius-pill);

    font-weight:600;

    transition:var(--transition);

    cursor:pointer;
}

.btn-primary{
    background:var(--color-primary);
    color:#fff;
    box-shadow:var(--shadow-md);
}

.btn-primary:hover{
    background:var(--color-primary-hover);
    transform:translateY(-2px);
}

.btn-secondary{
    border:1px solid var(--color-border);
    color:var(--color-text);
    background:#fff;
}

.btn-secondary:hover{
    transform:translateY(-2px);
    box-shadow:var(--shadow-sm);
}

/* ---------- Glass Card ---------- */

.glass{
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);

    border-radius:var(--radius-xl);

    box-shadow:var(--shadow-md);
}

/* ---------- Grid ---------- */

.grid-2{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:64px;
}

.grid-3{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:32px;
}

/* ---------- Responsive ---------- */

@media (max-width:991px){

    .grid-2,
    .grid-3{
        grid-template-columns:1fr;
    }

    .section{
        padding:96px 0;
    }

    h1{
        line-height:1;
    }

}

@media (max-width:640px){

    .container,
    .container-wide{
        width:min(100% - 32px,100%);
    }

    .btn{
        width:100%;
    }

}