/* --------------------------------------------------
   AIRDRY BRANDING WITH CSS VARIABLES
-------------------------------------------------- */

:root {
    --brand-color: #1275c7;
    --brand-color-dark: #0078c9;
    --brand-gray: #4d4d4d;
    --brand-bg-light: #f4f7fb;
    --brand-text-dark: #001f33;

    --brand-radius: 12px;
    --brand-shadow: 0 8px 20px rgba(0,0,0,0.08);
}


/* --------------------------------------------------
   GLOBAL FONT
-------------------------------------------------- */

body {
    font-family: "Inter", sans-serif;
    color: var(--brand-text-dark);
    background: #ffffff;
}


/* --------------------------------------------------
   BRANDING UTILITIES
-------------------------------------------------- */

.brand-color {
    color: var(--brand-color);
}

.brand-bg {
    background: var(--brand-color);
}

.brand-gray {
    color: var(--brand-gray);
}

.brand-light-bg {
    background: var(--brand-bg-light);
}


/* --------------------------------------------------
   HEADINGS
-------------------------------------------------- */

h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--brand-text-dark);
    line-height: 1.2;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }


/* --------------------------------------------------
   SECTION SYSTEM
-------------------------------------------------- */

.section {
    padding-top: 60px;
    padding-bottom: 60px;
}

.section-light {
    background: var(--brand-bg-light);
}

.section-dark {
    background: var(--brand-text-dark);
    color: #ffffff;
}


/* --------------------------------------------------
   BUTTONS
-------------------------------------------------- */

.btn {
    display: inline-block;
    padding: 14px 28px;
    font-weight: 600;
    border-radius: var(--brand-radius);
    text-decoration: none;
    transition: all .2s ease;
}

.btn-primary {
    background: var(--brand-color);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--brand-color-dark);
}

.btn-outline {
    border: 2px solid var(--brand-color);
    color: var(--brand-color);
    background: transparent;
}

.btn-outline:hover {
    background: var(--brand-color);
    color: #ffffff;
}


/* --------------------------------------------------
   CARDS & SHADOWS
-------------------------------------------------- */

.card {
    background: #ffffff;
    border-radius: var(--brand-radius);
    padding: 30px;
    box-shadow: var(--brand-shadow);
}

.card-hover:hover {
    box-shadow: 0 12px 35px rgba(0,0,0,0.12);
}


/* --------------------------------------------------
   IMAGE STYLES
-------------------------------------------------- */

.img-rounded {
    border-radius: var(--brand-radius);
}

.img-shadow {
    box-shadow: var(--brand-shadow);
}














/* --- FADE + SLIDE IN --- */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 1s ease-out,
        transform 1s ease-out; /* DEUTLICH langsamer */
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- UNDERLINE GROW EFFECT FOR HEADLINES --- */
.underline-grow {
    display: inline-block;
    position: relative;
}

.underline-grow::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -4px;
    width: 0;
    height: 2px;
    background-color: var(--brand-color);
    transform: translateX(-50%);
    transition: width 0.5s ease-out;
}

.underline-grow.visible::after {
    width: 100%;
}