/* =========================
   RESET & GLOBAL
========================= */

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html{
    scroll-behavior: smooth;
}

body{
    background: #0B0C10;
    color: #C5C6C7;
    line-height: 1.7;
}

a{
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul{
    list-style: none;
}

img{
    width: 100%;
    display: block;
}

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

header{
    position: sticky;
    top: 0;
    z-index: 1000;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 22px 8%;

    background: rgba(11, 12, 16, 0.95);
    backdrop-filter: blur(10px);

    border-bottom: 1px solid #1F2833;
}

.logo{
    font-size: 1.8rem;
    font-weight: 700;
    color: #66FCF1;
    text-transform: uppercase;
    letter-spacing: 2px;
}

nav ul{
    display: flex;
    gap: 35px;
}

nav ul li a{
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
}

nav ul li a::after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;

    width: 0;
    height: 2px;

    background: #66FCF1;
    transition: 0.3s;
}

nav ul li a:hover::after,
nav ul li a.active::after{
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active{
    color: #66FCF1;
}

.header-icons,
.nav-icons{
    display: flex;
    gap: 18px;
    font-size: 1.2rem;
    color: #66FCF1;
    cursor: pointer;
}

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

.container,
main{
    width: 90%;
    margin: auto;
    padding: 70px 0;
}

.page-title{
    text-align: center;
    font-size: 3rem;
    margin-bottom: 60px;
    color: #66FCF1;
}

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

.hero{
    height: 80vh;
    border-radius: 20px;
    overflow: hidden;

    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;

    background:
    linear-gradient(rgba(11,12,16,0.7),
    rgba(11,12,16,0.7)),
    url('../img/hero-bg.jpg')
    center/cover;
}

.hero h1{
    font-size: 5rem;
    color: #66FCF1;
    margin-bottom: 10px;
}

.hero p{
    font-size: 1.2rem;
    color: #C5C6C7;
}

/* =========================
   GRID / PROJECTS
========================= */

.grid-layout,
.projects-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
    margin-top: 40px;
}

.card,
.project-card{
    background: #1F2833;
    border: 1px solid #2c3a47;
    border-radius: 18px;
    overflow: hidden;
    transition: 0.4s ease;
}

.card:hover,
.project-card:hover{
    transform: translateY(-10px);
    border-color: #66FCF1;
}

.project-img img{
    height: 320px;
    object-fit: cover;
}

.project-info{
    padding: 25px;
}

.project-info h3{
    margin-bottom: 10px;
    color: white;
    font-size: 1.4rem;
}

.project-info p{
    color: #9da5ad;
}

/* =========================
   ABOUT
========================= */

.about-content{
    display: flex;
    gap: 60px;
    align-items: center;
}

.about-text{
    flex: 1;
}

.about-text h2{
    color: #66FCF1;
    margin-bottom: 25px;
    font-size: 2.5rem;
}

.about-text p{
    margin-bottom: 20px;
    color: #C5C6C7;
}

.about-image,
.about-img{
    flex: 1;
}

.about-image img,
.about-img img{
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 20px;
}

/* =========================
   TIMELINE
========================= */

.timeline{
    margin-top: 90px;

    border-top: 2px solid #45A29E;

    display: flex;
    justify-content: space-between;
    gap: 20px;

    padding-top: 40px;
    position: relative;
}

.timeline-item{
    width: 25%;
    position: relative;
}

.timeline-item::before{
    content: '';

    position: absolute;
    top: -49px;
    left: 0;

    width: 18px;
    height: 18px;

    background: #66FCF1;
    border-radius: 50%;
}

.timeline-info{
    background: #1F2833;
    padding: 25px;
    border-radius: 15px;
    border: 1px solid #2d2d2d;
}

.timeline-info strong{
    display: block;
    margin-bottom: 10px;
    color: #66FCF1;
}

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

.contact-wrapper,
.contact-container{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-form,
.contact-info{
    background: #1F2833;
    padding: 35px;
    border-radius: 20px;
    border: 1px solid #2c3a47;
}

.contact-info h3{
    margin-bottom: 20px;
    color: #66FCF1;
}

.info-item{
    margin-bottom: 15px;
}

.map-box{
    margin-top: 20px;
    border-radius: 15px;
    overflow: hidden;
    height: 250px;
}

.map-box iframe{
    width: 100%;
    height: 100%;
    border: none;
}

/* =========================
   FORM
========================= */

input,
textarea{
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;

    background: #0B0C10;
    border: 1px solid #45A29E;
    border-radius: 12px;

    color: white;
    font-size: 15px;
}

input:focus,
textarea:focus{
    outline: none;
    border-color: #66FCF1;
}

button,
.btn-submit,
.btn-contact,
.faq-btn{
    display: inline-block;

    background: #66FCF1;
    color: #0B0C10;

    padding: 14px 30px;

    border: none;
    border-radius: 40px;

    font-weight: bold;
    text-transform: uppercase;

    cursor: pointer;
    transition: 0.3s ease;
}

button:hover,
.btn-submit:hover,
.btn-contact:hover,
.faq-btn:hover{
    background: #45A29E;
    color: white;
}

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

.faq-list{
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item{
    background: #1F2833;
    border-radius: 15px;
    border: 1px solid #2c3a47;
    overflow: hidden;
    transition: 0.3s ease;
}

.faq-item:hover{
    border-color: #66FCF1;
}

.faq-header{
    padding: 25px;

    display: flex;
    justify-content: space-between;
    align-items: center;

    cursor: pointer;

    font-size: 18px;
    font-weight: 600;
}

.faq-icon{
    font-size: 18px;
    color: #66FCF1;
}

.faq-content{
    max-height: 0;
    overflow: hidden;

    padding: 0 25px;

    color: #bbb;
    line-height: 1.8;

    transition: all 0.4s ease;
}

.faq-item.active .faq-content{
    max-height: 300px;
    padding: 0 25px 25px;
}

/* =========================
   CTA BOX
========================= */

.cta-box{
    margin-top: 80px;

    background: #1F2833;
    border: 1px solid #2c3a47;
    border-radius: 20px;

    padding: 60px 30px;

    text-align: center;
}

.cta-box strong{
    font-size: 2rem;
    color: white;
}

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

footer{
    padding: 40px 8%;

    border-top: 1px solid #1F2833;

    display: flex;
    justify-content: space-between;
    align-items: center;

    background: #0B0C10;
}

.footer-socials,
.social-links{
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.footer-socials a,
.social-links i{
    width: 40px;
    height: 40px;

    display: flex;
    justify-content: center;
    align-items: center;

    border: 1px solid #45A29E;
    border-radius: 50%;

    color: #66FCF1;

    transition: 0.3s;
}

.footer-socials a:hover,
.social-links i:hover{
    background: #66FCF1;
    color: #0B0C10;
}

/* =========================
   RESPONSIVE
========================= */

@media(max-width: 992px){

    .about-content,
    .contact-wrapper,
    .contact-container{
        grid-template-columns: 1fr;
        flex-direction: column;
    }

    .timeline{
        flex-direction: column;
        border-top: none;
    }

    .timeline-item{
        width: 100%;
    }

    .timeline-item::before{
        display: none;
    }

}

@media(max-width: 768px){

    header{
        flex-direction: column;
        gap: 20px;
    }

    nav ul{
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .hero h1{
        font-size: 3rem;
    }

    .grid-layout,
    .projects-grid{
        grid-template-columns: 1fr;
    }

    footer{
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .page-title{
        font-size: 2.2rem;
    }

}