/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-yellow: #FDB022;
    --secondary-orange: #F89A45;
    --dark-text: #2C3E50;
    --background-cream: #FFF8F0;
    --white: #FFFFFF;
    --accent-teal: #3D7B7F;
    --light-gray: #F5F5F5;
    --spacing-unit: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 3);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-text);
    line-height: 1.2;
}

.logo-text {
    display: inline-block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: calc(var(--spacing-unit) * 1);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-text);
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: calc(var(--spacing-unit) * 4);
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: calc(var(--spacing-unit) * 1) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: calc(var(--spacing-unit) * 4);
    right: calc(var(--spacing-unit) * 4);
    background: var(--primary-yellow);
    color: var(--white);
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-orange);
    transform: translateY(-5px);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    background: var(--background-cream);
    padding: calc(var(--spacing-unit) * 20) 0 calc(var(--spacing-unit) * 10);
    overflow: hidden;
}

.hero-blob {
    position: absolute;
    border-radius: 50% 40% 60% 40%;
    opacity: 0.6;
    z-index: 0;
}

.hero-blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-yellow);
    top: -100px;
    right: 10%;
    animation: blob-float 8s ease-in-out infinite;
}

.hero-blob-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-orange);
    bottom: 50px;
    left: -50px;
    animation: blob-float 10s ease-in-out infinite reverse;
}

@keyframes blob-float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 6);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fade-in-up 1s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--dark-text);
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: var(--dark-text);
    opacity: 0.85;
}

.hero-image {
    animation: fade-in-left 1s ease-out 0.3s both;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 5);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    min-width: 44px;
    min-height: 44px;
}

.btn-primary {
    background: var(--primary-yellow);
    color: var(--dark-text);
    box-shadow: 0 4px 15px rgba(253, 176, 34, 0.3);
}

.btn-primary:hover {
    background: var(--secondary-orange);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(248, 154, 69, 0.4);
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.service-card {
    background: var(--background-cream);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.service-card:nth-child(1) {
    background: var(--primary-yellow);
}

.service-card:nth-child(2) {
    background: var(--secondary-orange);
}

.service-card:nth-child(3) {
    background: var(--accent-teal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.service-image {
    height: 300px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: calc(var(--spacing-unit) * 4);
}

.service-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
}

/* ===================================
   Behavior Aides Detail Section
   =================================== */
.behavior-aides-detail {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--white);
}

.behavior-aides-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
    background: var(--accent-teal);
    color: var(--white);
    padding: calc(var(--spacing-unit) * 8);
    border-radius: 20px;
}

.behavior-aides-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: var(--white);
}

.behavior-aides-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.behavior-aides-text p {
    margin: 0;
}

.behavior-aides-text em {
    font-style: italic;
}

.behavior-aides-text strong {
    font-weight: 700;
}

.behavior-aides-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.behavior-aides-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   Philosophy Section
   =================================== */
.philosophy {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--background-cream);
}

.philosophy-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: center;
}

.philosophy-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.philosophy-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.philosophy-label {
    font-size: 0.9rem;
    color: var(--secondary-orange);
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.philosophy-quote {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--accent-teal);
    font-weight: 500;
    font-style: italic;
    position: relative;
    padding-left: calc(var(--spacing-unit) * 4);
}

.philosophy-quote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -20px;
    font-size: 5rem;
    color: var(--primary-yellow);
    line-height: 1;
}

/* ===================================
   Steps Section
   =================================== */
.steps {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.steps-blob {
    position: absolute;
    border-radius: 50% 40% 60% 40%;
    opacity: 0.08;
}

.steps-blob-1 {
    width: 350px;
    height: 350px;
    background: var(--primary-yellow);
    top: 10%;
    right: 5%;
    animation: blob-float 12s ease-in-out infinite;
}

.steps-blob-2 {
    width: 250px;
    height: 250px;
    background: var(--secondary-orange);
    bottom: 10%;
    left: 3%;
    animation: blob-float 15s ease-in-out infinite reverse;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 8);
    color: var(--dark-text);
}

.steps-diagram {
    position: relative;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: calc(var(--spacing-unit) * 3);
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(to right,
        var(--primary-yellow) 0%,
        var(--primary-yellow) 20%,
        transparent 20%,
        transparent 25%,
        var(--primary-yellow) 25%,
        var(--primary-yellow) 35%,
        transparent 35%,
        transparent 40%,
        var(--primary-yellow) 40%,
        var(--primary-yellow) 50%,
        transparent 50%,
        transparent 55%,
        var(--primary-yellow) 55%,
        var(--primary-yellow) 65%,
        transparent 65%,
        transparent 70%,
        var(--primary-yellow) 70%,
        var(--primary-yellow) 80%,
        transparent 80%,
        transparent 85%,
        var(--primary-yellow) 85%,
        var(--primary-yellow) 100%
    );
    z-index: 0;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.step-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--background-cream);
    border: 4px solid var(--primary-yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
    transition: var(--transition);
    position: relative;
}

.step-item:hover .step-circle {
    background: var(--primary-yellow);
    transform: scale(1.1);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-text);
}

.step-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-text);
    line-height: 1.3;
}

/* ===================================
   Why Choose Section
   =================================== */
.why-choose {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--background-cream);
    position: relative;
    overflow: hidden;
}

.why-blob {
    position: absolute;
    border-radius: 50% 40% 60% 40%;
    opacity: 0.15;
}

.why-blob-1 {
    width: 300px;
    height: 300px;
    background: var(--secondary-orange);
    top: 15%;
    left: 5%;
    animation: blob-float 10s ease-in-out infinite;
}

.why-blob-2 {
    width: 200px;
    height: 200px;
    background: var(--primary-yellow);
    bottom: 20%;
    right: 8%;
    animation: blob-float 13s ease-in-out infinite reverse;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.why-card {
    background: var(--white);
    padding: calc(var(--spacing-unit) * 5);
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.why-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.why-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.why-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--dark-text);
    line-height: 1.2;
}

.why-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark-text);
    opacity: 0.8;
}

/* ===================================
   Team Section
   =================================== */
.team {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.team-blob {
    position: absolute;
    border-radius: 50% 40% 60% 40%;
    opacity: 0.06;
}

.team-blob-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-teal);
    top: -50px;
    left: -100px;
    animation: blob-float 14s ease-in-out infinite;
}

.team-blob-2 {
    width: 280px;
    height: 280px;
    background: var(--primary-yellow);
    bottom: -50px;
    right: -80px;
    animation: blob-float 11s ease-in-out infinite reverse;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 6);
}

.team-member {
    text-align: center;
    transition: var(--transition);
}

.team-image {
    width: 200px;
    height: 200px;
    margin: 0 auto calc(var(--spacing-unit) * 3);
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--primary-yellow);
    transition: var(--transition);
}

.team-member:hover .team-image {
    border-color: var(--secondary-orange);
    transform: scale(1.05);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 1);
    color: var(--dark-text);
}

.team-role {
    font-size: 1rem;
    color: var(--secondary-orange);
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.team-bio {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--dark-text);
    opacity: 0.8;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: calc(var(--spacing-unit) * 10) 0;
    background: var(--accent-teal);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.contact-blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
}

.contact-blob-1 {
    width: 100px;
    height: 100px;
    background: var(--primary-yellow);
    top: 50px;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.contact-blob-2 {
    width: 60px;
    height: 60px;
    background: var(--secondary-orange);
    bottom: 100px;
    left: 15%;
    animation: float 8s ease-in-out infinite 1s;
}

.contact-blob-3 {
    width: 80px;
    height: 80px;
    background: var(--primary-yellow);
    top: 150px;
    left: 5%;
    animation: float 7s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.contact-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 4);
    line-height: 1.2;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
}

.contact-item h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 1);
    opacity: 0.8;
}

.contact-item p {
    font-size: 1.1rem;
}

.contact-item a {
    color: var(--white);
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.contact-item a:hover {
    border-bottom-color: var(--primary-yellow);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
    align-self: center;
}

.contact-link {
    display: block;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    background: var(--white);
    color: var(--accent-teal);
    border-radius: 50px;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
    min-width: 200px;
}

.contact-link:hover {
    background: var(--primary-yellow);
    color: var(--dark-text);
    transform: translateX(10px);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-text);
    color: var(--white);
    padding: calc(var(--spacing-unit) * 3) 0;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===================================
   Animations
   =================================== */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-left {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up,
.fade-in-left,
.fade-in-right {
    opacity: 0;
}

.fade-in-up.animate {
    animation: fade-in-up 0.8s ease-out forwards;
    opacity: 1;
}

.fade-in-left.animate {
    animation: fade-in-left 0.8s ease-out forwards;
    opacity: 1;
}

.fade-in-right.animate {
    animation: fade-in-up 0.8s ease-out forwards;
    opacity: 1;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-container,
    .behavior-aides-container,
    .philosophy-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .behavior-aides-image,
    .philosophy-image {
        order: -1;
    }

    .steps-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    }

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

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 0 !important;
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        max-height: 400px;
        padding: calc(var(--spacing-unit) * 2) 0 !important;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        opacity: 1;
        visibility: visible;
        transition: max-height 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
        width: 100%;
    }

    .nav-links a::after {
        display: none;
    }

    .hero {
        padding: calc(var(--spacing-unit) * 15) 0 calc(var(--spacing-unit) * 6);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .services-grid,
    .why-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

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

    .steps-grid::before {
        display: none;
    }

    .contact-container {
        gap: calc(var(--spacing-unit) * 4);
    }

    .back-to-top {
        bottom: calc(var(--spacing-unit) * 2);
        right: calc(var(--spacing-unit) * 2);
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 calc(var(--spacing-unit) * 2);
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .step-circle {
        width: 80px;
        height: 80px;
    }

    .step-number {
        font-size: 1.2rem;
    }
}