/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #e0eaf3;
    font-family: "Montserrat", sans-serif;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation - Mobile First */
.nav {
    margin-top: 20px;
    padding: 10px 0;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.nav .brand {
    flex: 0 0 auto;
}

.nav .brand img {
    max-width: 80px;
    height: auto;
}

.nav .menu {
    display: flex;
    font-size: clamp(14px, 4vw, 18px);
}

.nav .menu-item {
    color: black;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 15px;
    white-space: nowrap;
}

.nav .menu-item:hover,
.nav .menu-item-active {
    color: #6777ef;
}

.nav .ctas {
    display: flex;
    gap: 10px;
    flex: 0 0 auto;
}

.nav .sign-up {
    padding: 8px 16px;
    background-color: #6777ef;
    border-radius: 9px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(12px, 3vw, 14px);
    transition: all 0.3s ease;
}

.nav .sign-up:hover {
    background-color: black;
    transform: translateY(-2px);
}

/* Hero Section - Mobile First */
.hero {
    text-align: center;
    padding: 30px 0 0 0;
    font-size: clamp(18px, 5vw, 23px);
}

.hero .hero-headline {
    margin-bottom: 20px;
    font-size: clamp(24px, 6vw, 48px);
    line-height: 1.3;
}

.hero .hero-subline {
    margin-bottom: 30px;
}

.hero .hero-subline ul {
    display: flex;
    flex-direction: column;
    justify-content: center;
    list-style-type: none;
    gap: 15px;
    margin-bottom: 20px;
}

.hero .hero-subline ul li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.hero .hero-subline2 {
    display: flex;
    font-size: clamp(16px, 4vw, 20px);
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    padding: 0 20px;
}

.subline {
    font-size: clamp(16px, 4vw, 23px);
    font-weight: 600;
    color: #111;
}

.hero-ctas {
    font-size: clamp(16px, 4vw, 22px);
    justify-content: center;
    align-items: center;
    padding: 13px 30px;
    background-color: #6777ef;
    border-radius: 15px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.hero-ctas:hover {
    background-color: black;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.hero .img1 {
    justify-content: center;
    margin-top: 30px;
    margin-bottom: -50px;
    position: relative;
    z-index: 1;
}

.hero .img1 img {
    width: 100%;
    max-width: 600px;
    height: auto;
}

.hero .img2 {
    margin-top: 30px;
    margin-bottom: -50px;
    position: relative;
    z-index: 1;
}

.hero .img2 img {
    width: 100%;
    max-width: 770px;
    height: auto;
}

.biru {
    color: #162cf4;
}

/* Features Highlight Section */
.features-highlight {
    background: linear-gradient(135deg, #f8f9ff, #e8ecff);
    padding: 60px 0;
    margin: 0;
    position: relative;
    z-index: 2;
}

.features-title {
    text-align: center;
    font-size: clamp(24px, 5vw, 36px);
    margin-bottom: 50px;
    color: #333;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-item {
    text-align: center;
    padding: 0;
    background: none;
    border-radius: 0;
    color: #333;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
}

.feature-item i {
    font-size: 56px;
    margin-bottom: 20px;
    color: #6777ef;
    transition: all 0.3s ease;
}

.feature-item:hover i {
    color: #162cf4;
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: clamp(20px, 4vw, 26px);
    margin-bottom: 15px;
    color: #333;
    font-weight: 600;
}

.feature-item p {
    font-size: clamp(14px, 3vw, 18px);
    color: #666;
    line-height: 1.6;
    max-width: 250px;
    margin: 0 auto;
    opacity: 0.9;
}

/* About Section */
.ttg {
    text-align: center;
    padding: 50px 0;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    background-color: #e0eaf3;
}

.ttg .ttg-headline {
    font-size: clamp(24px, 5vw, 36px);
    margin-bottom: 20px;
}

.ttg .ttg-subline {
    font-size: clamp(16px, 4vw, 23px);
    font-weight: 500;
    line-height: 1.6;
}

/* Cards Section */
.card-body {
    margin: 50px 0;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    background-color: #e0eaf3;
}

.container-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.head-card img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 20px;
}

.body-card h1 {
    font-size: clamp(18px, 4vw, 24px);
    margin-bottom: 15px;
    color: #333;
}

.body-card p {
    font-size: clamp(14px, 3vw, 16px);
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer-container {
    width: 100%;
    padding: 40px 20px 20px;
    background-color: #111;
    position: relative;
    z-index: 2;
}

.footer-nav {
    margin-bottom: 30px;
}

.footer-nav ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav ul li {
    color: white;
    font-size: clamp(14px, 3vw, 16px);
    text-decoration: none;
}

.footer-icon ul {
    display: flex;
    justify-content: center;
    align-items: center;
    list-style-type: none;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-icon ul li {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    background-color: #3b4857;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.footer-icon ul li:hover {
    background-color: #6777ef;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
}

.footer-bottom p {
    color: #92989f;
    font-size: clamp(12px, 2.5vw, 14px);
}

/* Mobile Small Styles */
@media (max-width: 480px) {
    .nav .container {
        flex-wrap: wrap;
        gap: 15px;
    }

    .nav-left {
        flex: 1;
        gap: 15px;
        justify-content: flex-start;
    }

    .nav .brand img {
        max-width: 70px;
    }

    .nav .menu-item {
        font-size: 14px;
        padding: 8px 12px;
    }

    .nav .ctas {
        gap: 8px;
    }

    .nav .sign-up {
        padding: 8px 16px;
        font-size: 12px;
    }
}

/* Tablet Styles */
@media (min-width: 768px) {
    .nav .brand img {
        max-width: 100px;
    }

    .nav-left {
        gap: 30px;
    }

    .nav .ctas {
        gap: 20px;
    }

    .nav .sign-up {
        padding: 10px 25px;
        font-size: 14px;
    }

    .hero .hero-subline ul {
        flex-direction: row;
        gap: 30px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .container-card {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .nav {
        margin-top: 50px;
    }

    .nav-left {
        gap: 40px;
    }

    .nav .ctas {
        gap: 30px;
    }

    .nav .sign-up {
        padding: 13px 40px;
        font-size: 16px;
    }

    .hero {
        padding: 50px 0 0 0;
    }

    .hero .hero-subline ul {
        gap: 70px;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 60px;
    }

    .container-card {
        grid-template-columns: repeat(4, 1fr);
    }

    .ttg {
        padding: 80px 0;
    }

    .card-body {
        margin: 80px 0;
    }
}

/* Large Desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1400px;
    }
}