@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz, wght@0,14..32,100..900;1,14..32,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --deca-blue: #002f6c;
    --deca-gold:#c9a227;
    --deca-white: #ffffff;
    --deca-black: #0f172a;

    --deca-light-gray: #f1f5f9;
    --deca-gray: #64748b;
    --deca-border: #e5e7eb;

    --font-body: "Inter", "Segoe UI", Arial, sans-serif;
    --font-heading: "montserrat", Arial, sans-serif;

    --max-width: 1200px;
    --radius-sm: 6px;
    --radius-md: 10px;

    --shadow-card: 0 6px 20px rgba(0,47, 108, 0.15);
    --shadow-hover: 0 10px 30px rgba(0, 47, 108, 0.25);

    --transition: 0.25s ease-in-out;
}

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

body {
    display: flex;
    min-height: 100vh;
    font-family: var(--font-body);
    background-color: var(--deca-light-gray);
    color: var(--deca-black);
    scroll-behavior: smooth; 
}

nav.sidebar {
    width: 120px;
    height: 100vh;
    background: var(--deca-blue);
    display: flex;
    flex-direction: column;
    padding: 20px 0; 
    position: sticky;
    top: 0;
    flex-shrink: 0;
    z-index: 1000;
    transition: width 0.3s ease;
    border-right: 4px solid var(--deca-gold);
    box-shadow: 4px 0 15px rgba(201, 162, 39, 0.2);
}
nav.sidebar:hover{
    width: 250px;
}

nav .logo {
    margin-bottom: 50px;
    display: flex;
    justify-content: center;

}

nav .logo img {
    max-width: 60px;
}

nav .logo img:hover {
    transform: scale(1.1);
}

nav ul.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
    align-items: center;
}

nav ul li {
    width: 100%;
    display: flex;
    justify-content: center;
    position: relative;
}

nav ul li a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--deca-white);
    transition: var(--transition);
}

nav .icon {
    width: 90px;
    height: 90px;
    background-color: rgba(255,255,255, 0.10);
    border: 2px dashed var(--deca-gold);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

nav .icon svg {
    width: 50px;
    height: 50px;
    margin: 20%;
    stroke: var(--deca-gold);
    stroke-width: 1.5;
    transition: 0.3s;
}

nav ul li a:hover .icon svg {
    stroke: var(--deca-white);
}

nav ul li a:hover .icon {
    border-color: var(--deca-white);
    color: var(--deca-blue);
}

nav .label {
    position: absolute;
    left: 160px;
    top: 50%;
    transform: translateY(-50%) translateX(-10px);
    background-color: var(--deca-gold);
    color: var(--deca-blue);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    box-shadow: 6px 6px 15px rgba(0,0,0,0.2);
    font-size: 1.6rem;
    font-weight: bold;
    font-family: var(--font-heading);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    z-index: 10;
}

nav .label::before {
    content:"";
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--deca-gold) transparent transparent;
}

nav ul li a:hover .label {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(10px);
}

a, svg, button {
    transition: all 0.2s ease;
}

header {
    margin: 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
}

h2, h3 {
    font-family: var(--font-heading);
    color: var(--deca-blue);
}

section {
    margin: 0;
    padding: 80px 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

section #top {
    border-color: var(--deca-gold);
    text-align: center;
    align-items: center;
    justify-content: center;
    color: var(--deca-white);
}

#top {
    background-color: var(--deca-blue);
    color: var(--deca-white);
    width: 100%;
    min-height: 100vh;
    animation: fadeUp 0.6s ease-out;
    display: flex;
    flex: 1;
}

#top h1{
    font-size: 3.5rem;
    font-family: var(--font-heading);
    margin-bottom: 20px;
}

#top p {
    font-size: 1.2rem;
    opacity: 0.9;;
}

header p {
    color: var(--deca-gray);
    max-width: 600px;
    font-size: 1.2rem
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.Main-footer {
    background-color: var(--deca-blue);
    color: var(--deca-white);
    font-family: var(--font-body);
    padding: 60px 20px 20px;
    border-top: 4px solid var(--deca-gold);
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: white
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li a {
    color: var(--deca-white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--deca-gold);
    padding-left: 5px;
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: var(--deca-gray);
}

section #about {
    border-top: 4px solid var(--deca-gold);
    text-align: center;
    padding-top: 40px;
}

#about {
    min-height: 100vh;
    background-color: var(--deca-white);
    color: var(--deca-black);
    padding: 3rem 1rem;
}

#about h2 {
    color: var(--deca-blue);
    margin-bottom: 30px
}

#about p{
    font-size: 1.1rem;
    line-height: 1.6;
}

.btn {
    all: unset;
    display: inline-block;
    cursor: pointer;
    background-color: var(--deca-gold);
    padding: 12px 28px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    margin-top: 20px;
}

.btn a {
    text-decoration: none;
    color: var(--deca-black);
    display: block;
}

.btn:hover {
    background-color: var(--deca-white);
    transform: translateY(3px);
    box-shadow: var(--shadow-hover);
    color: var(--deca-blue);
}

.btn:hover a {
    color: var(--deca-blue);
}

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


.about-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--deca-white);
    border-top: 4px solid var(--deca-gold);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3 ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.card h3 {
    color: var(--deca-blue);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.card h4 {
    color: var(--deca-gray);
    font-weight: 500;
    margin-bottom: 1rem;
}

.card p {
    color: var(--deca-black);
    line-height: 1.6;
}

@media (max-width: 768px) {
    body {
        flex-direction: column;
    }

    nav.sidebar {
        position: fixed;
        bottom: 0;
        width: 100%;
        height: 70px;
        flex-direction: row;
        padding: 0;
        border-right: none;
        border-top: 4px solid var(--deca-gold);
        box-shadow: 0 -4px 15px rgba(0,0,0,0.15);
    }

    nav.sidebar:hover {
        width: 100%;
    }

    nav.logo {
        display: none;
    }

    nav ul.nav-links {
        flex-direction: row;
        gap: 0;
        justify-content: space-around;
    }

    nav ul li {
        width: auto;
    }

    nav.icon {
        width: 52px;
        height: 52px;
        border: none;
        background: transparent;
    }

    nav.icon svg {
        width: 32px;
        height: 32px;
        margin: 10px;
    }

    nav .label {
        display: none;
    }

}

@keyframes fadeUpSoft {
    from {
        opacity: 0;
        transfrom: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }

}

.card {
    opacity: 0;
    animation: fadeUpSoft 0.8s ease forwards;

}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.3s; }
.card:nth-child(3) { animation-delay: 0.5s; }

.card:active {
    transform: scale(0.98);
}

@media (perfers-reduced-motion: reduce) {
    *{
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 768px) {
     
    #top h1 {
        font-size: 2.3rem;
    }

    #top p {
        font-size: 1rem;
    }

    .card h3 {
        font-size: 1.25rem;
    }

    .card p {
        font-size: 1rem;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
    }
}

#pi-dsection {
    background: var(--deca-light-gray);
    padding: 4rem 1.5rem;
}

.pi-intro {
    max-width: 700px;
    margin: 0 auto 2.5rem;
    text-align: center;
    color: var(--deca-gray);
}

.pi-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pi-card {
    background: var(--deca-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-card);
}

.pi-card h3 {
    margin-bottom: 1rem;
    color: var(--deca-blue);
}

.pi-card h4 {
    margin-top: 1rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    color: var(--deca-gray);
    letter-spacing: 0.05rem;
}

.pi-card li {
    margin-bottom: 0.4rem;
}

.pi-card ul {
    padding-left: 1.2rem;
    margin-top: 0.5rem;
}

.example {
    background: var(--deca-light-gray);
    padding: 0.75rem;
    border-left: 4px solid var(--deca-gold);
    border-radius: 4px;
    margin-top: 0.5rem;
}

.pi-tag.finance { background: #e0f2fe; color: #0369a1; }
.pi-tag.marketing { background: #fef9c3; color: #854d0e; }
.pi-tag.management { background: #ede9fe; color:  #6b21a8}