:root {    
    /* Secondary Colors */
    --electric-teal: #00BFA5;
    --sunrise-orange: #F79824;
    
    /* Highlight Colors */
    --bright-yellow: #FFEB3B;
    --soft-pink: #F48FB1;

    --ff: "DM Sans", serif;
    --ffp: "Inter", serif;

    --h1: 3rem;
    --h2: 2.5rem;
    --h3: 1.8rem;
    --p: 1.2rem;
    --p2: 1rem;

    --gray100: hsl(0,0%,100%);
    --gray90: hsl(0,0%,90%);
    --gray70: hsl(0,0%,75%);
    --gray50: hsl(0,0%,50%);
    --gray30: hsl(0,0%,25%);
    --gray10: hsl(0,0%,10%);
    --gray0: hsl(0,0%,0%);
    --background: #EFEFEF;
}

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

body {
    font-family: var(--ffp);
    line-height: 1.6;
    color: var(--gray30);
    background: var(--background);
}

h1, h2, h3 {
    font-family: var(--ff);
    color: var(--gray30);
    margin-bottom: 1rem;
    font-weight: 400;
    letter-spacing: 1.2px;
}

h2 {
    font-size: var(--h2);
    line-height: 3rem;
}

h3 {
    font-size: var(--h3);
}

p, ul, li {
    font-family: var(--ffp);
    font-size: var(--p);
    font-weight:400;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--background);
    transition: transform 0.1s ease;
    z-index: 1000;
}

.header.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header.minimized {
    transform: translateY(-100%);
}

.header.scrolling-up {
    transform: translateY(0);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2em;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-container-left {
    display: flex;
}

.logo {
    flex-shrink: 0;
    margin-right: 3rem;
}

.logo-text{
    font-family: 'inter', sans-serif;
    font-size:1.4rem;
    font-weight:600;
    color: var(--gray0);
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.1s ease;
}

.nav-links a:hover {
    color: #F5845D;
}

.mobile {
    display: none!important;
}

.desktop {
    display: block;
}

.cta-button {
    background: #F5845D;
    color: var(--gray30);
    padding: 0.75rem 1.5rem;
    border-radius: 100px;
}

.cta-button:hover {
    background: #D1EAFA !important;
    color: #333 !important;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 100;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero section */
.hero {
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

.profile-img-mobile {
    display:none;
    width: 100%;
    height:auto;
}

.hero .container {
    background-image: url('./images/profile-pic-website-bg-hero.webp');
    background-repeat: no-repeat;
    background-size: cover;
    border-radius: 24px;
}

.hero-content{
    display:flex;
    align-items: center;
    max-width: 50%;
    margin:100px 0;
}

.hero-text{
    padding:20px;
    width:100%;
}

.hero > .container {
    position: relative;
    z-index: 2;
}

.hero-subheading {
    width: fit-content;
    margin-bottom: 10px;
    font-size: var(--h3);
}

.hero h1 {
    font-size: var(--h1);
    margin-bottom: 1rem;
    display: inline-block;
}

/* Newsletter Box */
.newsletter-box {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin: 1.2rem;
    border-left: 4px solid var(--vibrant-purple);
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.newsletter-box h2 {
    color: var(--vibrant-purple);
    padding: 40px;
    font-size:3rem;
    line-height: 3.5rem;
    width: 40%;
}

.newsletter-content {
    padding:40px;
    width: 60%;
}

.newsletter-content p {
    color: var(gray10);
}

#newsletterForm {
    background-color: #f4f4f4;
    border-radius: 100px;
    vertical-align: middle;
    padding: 5px;
    margin: 16px auto;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid #f4f4f4;
    border-radius: 100px;
    font-size: 1rem;
    background: #f4f4f4;
}

.newsletter-form input[type="email"]:focus {
    outline: none;
}

.form-policy{
    font-size: 12px;
    color: #757575;
}

.has-orange-arrow-2 {
    position: relative;
}

.has-orange-arrow-2::before {
    content: "";
    position: absolute;
    right: 3em;
    top:-5em;
    width: 6em;
    height: 12em;
    background-image: url('./images/arrow-newsletterbox-hero.avif');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}


/* Main content sections */
.section {
    padding: 1rem 2rem;
    margin: 2rem 0;
    border-radius: 8px;
}

/* Problem list styling */
.problem {
    text-align: center;
    justify-content: center;
}

.problem p{
    max-width: 650px;
    margin: auto;
}

.problem-content {
    display: flex;
    justify-content: space-between;
    text-align: left;
    background-color: #fff;
    padding: 3rem 2rem 1.5rem 2rem;
    border-radius: 24px;
    margin-top:7rem;
}

.problem-statement {
    width: 40%;
    padding: 20px;
    margin: 1rem;
}

.problem-list {
    padding: 20px 20px 0 20px;
    width: 45%;
    margin: 1rem;
}

.problem-item, .solution-item {
    margin-left:10px;
    padding: 0 1rem 3rem 0.5rem;
    position: relative;
    background: var(--gray100);
    border-radius: 6px;
    transition: transform 0.2s ease;
    font-size: var(--p)
}

.problem-opening {
    padding: 2rem;
}

.visualize {
    text-align: center;
    max-width: 700px;
    margin: 5rem auto;
}

.solution {
    display: flex;
    flex-direction: column;
    text-align: center;
    background-color: #fff;
    padding: 2rem 2rem 1.5rem 2rem;
    border-radius: 24px;
    margin:1rem auto;
}

.solution h2 {
    padding: 52px 20px 0 20px;
}

.has-orange-arrow {
    position: relative;
}

.has-orange-arrow::before {
    content: "";
    position: absolute;
    right: 44%;
    top:-8em;
    width: 6em;
    height: 12em;
    background-image: url('./images/spiral-arrow-down-orange.avif');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.solution-content {
    display: flex;
    text-align: left;
    justify-content: space-between;
    background-color: #fff;
    padding-top:2rem;
    border-radius: 24px;
    margin:3rem auto 1.2rem auto;
}

.solution-content h2 {
    width: 40%;
    padding: 20px;
    margin: 1rem;
}

.solution-list {
    padding: 20px 20px 0 20px;
    width: 50%;
    margin: 1rem;
}

.container-cta {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 4rem 4rem;
    text-align: center;
    background-color: #222222;
    border-radius: 24px;
    color: var(--gray100);
}

.container-cta p {
    margin-top: 30px;
}

.container-cta a {
    margin-top: 50px;
}

.container-cta h2 {
    color: var(--gray100);
    margin: 40px;
}

.cta-content {
    max-width: 550px;
    margin: 0 auto;
}

.cta-subtitle {
    font-size: var(--p2);
    margin:0.875rem auto!important;
    color:#999999;
}

.cta-subheading {
    color:#999999;
}

/* CTA Button */
.btn-primary {
    background: #000;
    color: var(--gray100)!important;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 500;
    letter-spacing: 0.5px;
    display: inline-block;
    text-decoration: none;
    transition: all 0.1s ease;
    border: none;
    cursor: pointer;
    font-size:var(--p);
}

.btn-primary:hover {
    background: var(--sunrise-orange);
}

.btn-secondary {
    background: #fff;
    color: var(--gray10)!important;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 500;
    letter-spacing: 0.5px;
    display: inline-block;
    text-decoration: none;
    transition: all 0.1s ease;
    border: none;
    cursor: pointer;
    font-size:var(--p);
}

.btn-secondary:hover {
    background: var(--sunrise-orange);
}

/* Footer */
footer {
    border-top:solid 1px var(--gray70);
    color: var(--gray30);
    padding: 1rem 2rem;
    margin-top: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.container-footer p {
    font-size: var(--p2);
}

.container-footer {
    display:flex;
    justify-content: space-between;
}

/* Success Message */
.success-message {
    background: rgba(144, 235, 212, 0.5);
    color: var(--electric-teal);
    padding: 8px 16px;
    border-radius: 100px;
    margin-top: 1rem;
    display: none;
    font-size: var(--p2);
    width: fit-content;
}

.success-message.show {
    display: block;
}

/* Highlight and Underline */
.highlight-container, .highlight {
    position: relative;
}
  
.highlight-container {
    display: inline-block;
}
.highlight-container:before {
    content: " ";
    display: block;
    width: 96%;
    margin-left: -3px;
    margin-right: -3px;
    position: absolute;
    background-color: rgba(255, 142, 145, 0.49);
    transform: rotate(1deg);
    top: 12px;
    left: -1px;
    border-radius: 20% 25% 20% 24%;
    padding: 10px 3px 3px 10px;
}

.underline-container,.underline-container-2,.underline,.underline-2 {
    position: relative;
}
  
.underline-container,.underline-container-2 {
display: inline-block;
}

.underline-2{
    font-weight:500!important;
}

.underline-container:before {
content: " ";
display: block;
width: 100%;
margin-left: -3px;
margin-right: -3px;
position: absolute;
background: rgba(0, 166, 255, 0.38) ;
transform: rotate(1deg);
top: 12px;
left: -1px;
border-radius: 20% 25% 20% 24%;
padding: 10px 3px 3px 10px;
}
.underline-container-2:before {
content: " ";
display: block;
height:80%;
width: 100%;
margin-left: -3px;
margin-right: -3px;
position: absolute;
background: rgba(0, 166, 255, 0.38) ;
transform: rotate(1deg);
top:6px;
left: -1px;
border-radius: 20% 25% 20% 24%;
padding: 10px 3px 3px 10px;
}

/* Responsive design */
@media (max-width: 1050px) {
    .hero {
        padding: 4rem 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }

    .hero-content{
        flex-direction: column;
        align-items: center;
    }

    .hero-subheading {
        font-size: 20px;
    }

    .newsletter-box {
        padding:0.5rem;
    }
    
    .has-orange-arrow-2::before{
        right:1em;
        top:-6.5em;
    }

    .container {
        padding: 0;

    }

    .section {
        padding: 2rem 1rem;
    }
    
    #newsletterForm {
        background-color: #fff;
    }

    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input[type="email"] {
        width: 100%;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile {
        display: block!important;
    }

    .desktop {
        display: none;
    }

    .nav-menu {
        display: flex;
        justify-content: center;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--gray100);
        padding: 5rem 2rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        gap: 2rem;
    }

    .problem-list, .solution-content h2, .solution-list, .problem-statement{
        width: 100%;
    }

    .problem-content{
        flex-direction: column;
        margin: 1rem;
        margin-top: 7rem;
    }

    .problem p {
        max-width:100%;
    }

    .problem-opening p{
        max-width: 80%;
    }

    .solution-content h2 {
        font-size:30px;
        line-height: 32px;
        margin:0;
    }

    .solution-content {
        margin:auto;
    }

    .container.solution{
        margin:1rem;
    }

    .visualize {
        margin:50px auto;
    }

    .solution-content {
        flex-direction: column;
    }

    .container-cta {
        margin: 1rem;
    }

    .has-orange-arrow::before{
        top:-9em;
        height:11em;
    }

    /* Hamburger menu animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 3px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -5px);
    }
}

@media (max-width: 850px) {
    .hero .container {
        background-image: url('./images/profile-pic-website-bg-hero-850.webp');
    }  
}

@media (max-width: 720px) {
    h2{
        font-size:40px;   
    }
    p, ul, li {
        font-size: 18px!important;
    }
    .newsletter-box{
        display:flex;
        flex-direction:column;
    }
    .newsletter-box h2, .newsletter-content{
        width:100%;
        padding:30px;
    }
    .newsletter-box h2{
        padding-bottom:0;
        margin-bottom:0.1em;
        font-size:40px;
    }
    .newsletter-content{
        padding-top:10px;
    }
    .hero-content{
        margin:50px 0;
    }
    .hero .container {
        background-image: url('./images/profile-pic-website-bg-hero-600.webp');
    }  
    .has-orange-arrow::before{
        right:41%;
    }
    .form-policy{
        font-size:12px!important;
    }
    .problem-content{
        padding:12px 4px 0 4px; 
    }
    .container-cta{
        padding:30px;
    }
    .cta-subtitle{
        font-size:14px!important;
    }
    .visualize{
        padding:0 20px;
    }
    .underline-container-2:before {
    content: " ";
    display: block;
    height:60%;
    width: 100%;
    margin-left: -3px;
    margin-right: -3px;
    position: absolute;
    background: rgba(0, 166, 255, 0.38) ;
    transform: rotate(1deg);
    left: -1px;
    border-radius: 20% 25% 20% 24%;
    padding: 10px 3px 3px 10px;
    }
}

@media (max-width: 624px) {
    .hero{
        padding-bottom: 0;
    }
    .hero .container {
        background-image: none;
    }
    .hero-content {
        max-width: 100%;
        margin-top:60px;
        margin-bottom:0;
    }
    .hero-text {
        padding-bottom: 0;
    }
    .problem-opening{
        margin-top:50px;
        margin-bottom:120px;   
    }

    .profile-img-mobile {
        display:block;
        margin-bottom: 32px;
        width: 100%;
        height:auto;
    }
    h2, .newsletter-box h2 {
        font-size:26px;
        line-height:2rem;
        letter-spacing: 0;
    }
    .newsletter-box {
        box-shadow: 0 2px 3px rgba(0,0,0,0.1);
    }
    .newsletter-box h2, .newsletter-content, .container-cta{
        padding:20px;
    }
    .newsletter-box h2{
        padding-bottom: 0;
    }
    .has-orange-arrow::before{
        right:33%;
    }
    .problem-list, .solution-list{
        padding-top:0;
        margin-top:0;
    }
    p, ul, li {
        font-size: 16px!important;
    }
    .problem-opening{
        padding:1rem;
    }
    .problem-statement{
        margin:0;
    }
    .problem-content, .newsletter-box, .container.solution, .container-cta{
        margin:0.3rem;
    }
    .problem-item, .solution-item{
        padding-bottom: 2rem;
    }
    .solution-content{
        padding-top:0;
    }
    .solution-content h2 {
        font-size:22px;
    }
    .hero h1{
        letter-spacing: 1px;
        line-height: 2.8rem;
        font-size:30px;
    }
    .container-cta h2{
        margin:20px 0;
    }
    .cta-subheading{
        padding:0 20px;
    }
    .container-cta a{
        margin-top:40px;
    }
    footer{
        flex-direction: column-reverse;
    }
    .underline-container-2:before {
        content: " ";
        display: block;
        height:60%;
        width: 100%;
        margin-left: -3px;
        margin-right: -3px;
        position: absolute;
        background: rgba(0, 166, 255, 0.38) ;
        transform: rotate(1deg);
        top:0;
        left: -1px;
        border-radius: 20% 25% 20% 24%;
        padding: 10px 3px 3px 10px;
    }
}