@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Official Aditas Brand Colors */
    --aditas-teal: #00B8D4;
    --aditas-navy: #0A2540;
    --aditas-dark-navy: #051628;
    --aditas-light-teal: #33C9DC;
    --aditas-white: #FFFFFF;
    --aditas-off-white: #F5F8FA;
    --aditas-gray: #64748B;
    --aditas-light-gray: #CBD5E1;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--aditas-teal), var(--aditas-light-teal));
    --gradient-text: linear-gradient(90deg, var(--aditas-teal), var(--aditas-light-teal));
    --gradient-bg: radial-gradient(circle at 20% 50%, rgba(0, 184, 212, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(51, 201, 220, 0.08) 0%, transparent 50%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--aditas-white);
    color: var(--aditas-navy);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--aditas-white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 3rem;
}

#preloader.fade-out {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}

.loader-logo {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.loader-bar {
    width: 300px;
    height: 4px;
    background: var(--aditas-light-gray);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.loader-progress {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    animation: loading 2s ease-out forwards;
    box-shadow: 0 0 20px var(--aditas-teal);
}

@keyframes loading {
    to {
        width: 100%;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 4rem;
    z-index: 1000;
    transition: all 0.3s ease;
    background: var(--aditas-white);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--aditas-light-gray);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--aditas-navy);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--aditas-teal);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--aditas-teal);
}

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

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--aditas-white);
    box-shadow: 0 10px 30px rgba(0, 184, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(0, 184, 212, 0.4);
}

/* Hero Section - 3D Wave Effect */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, #ffffff 0%, #f5f8fa 100%);
    position: relative;
    overflow: hidden;
}

/* 3D Wave Background Layers */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 184, 212, 0.15), transparent),
        radial-gradient(ellipse 60% 50% at 50% -10%, rgba(0, 184, 212, 0.1), transparent);
    animation: wave-move 15s ease-in-out infinite;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 70% 50% at 50% 120%, rgba(10, 37, 64, 0.08), transparent),
        radial-gradient(ellipse 50% 40% at 50% 110%, rgba(10, 37, 64, 0.05), transparent);
    animation: wave-move 20s ease-in-out infinite reverse;
    z-index: 0;
}

@keyframes wave-move {

    0%,
    100% {
        transform: translateY(0) scaleY(1);
    }

    50% {
        transform: translateY(-30px) scaleY(1.1);
    }
}

/* Futuristic Particles */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--aditas-teal);
    border-radius: 50%;
    box-shadow: 0 0 25px var(--aditas-teal), 0 0 50px var(--aditas-teal), 0 0 75px rgba(0, 184, 212, 0.5);
    opacity: 0.8;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation: float-particle 25s infinite ease-in-out;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation: float-particle 30s infinite ease-in-out 5s;
}

.particle:nth-child(3) {
    top: 40%;
    left: 30%;
    animation: float-particle 35s infinite ease-in-out 10s;
}

.particle:nth-child(4) {
    top: 70%;
    left: 60%;
    animation: float-particle 28s infinite ease-in-out 3s;
}

.particle:nth-child(5) {
    top: 30%;
    left: 90%;
    animation: float-particle 32s infinite ease-in-out 8s;
}

.particle:nth-child(6) {
    top: 80%;
    left: 20%;
    animation: float-particle 27s infinite ease-in-out 12s;
}

.particle:nth-child(7) {
    top: 15%;
    left: 50%;
    animation: float-particle 29s infinite ease-in-out 2s;
}

.particle:nth-child(8) {
    top: 55%;
    left: 15%;
    animation: float-particle 33s infinite ease-in-out 7s;
}

.particle:nth-child(9) {
    top: 35%;
    left: 70%;
    animation: float-particle 26s infinite ease-in-out 4s;
}

.particle:nth-child(10) {
    top: 65%;
    left: 40%;
    animation: float-particle 31s infinite ease-in-out 9s;
}

.particle:nth-child(11) {
    top: 25%;
    left: 85%;
    animation: float-particle 34s infinite ease-in-out 6s;
}

.particle:nth-child(12) {
    top: 75%;
    left: 55%;
    animation: float-particle 28s infinite ease-in-out 11s;
}

@keyframes float-particle {

    0%,
    100% {
        transform: translate(0, 0);
        opacity: 0.3;
    }

    25% {
        transform: translate(100px, -100px);
        opacity: 0.6;
    }

    50% {
        transform: translate(-50px, -200px);
        opacity: 0.4;
    }

    75% {
        transform: translate(-150px, -100px);
        opacity: 0.5;
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    color: var(--aditas-navy);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero p {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--aditas-gray);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* Section Styling */
.section {
    padding: 8rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
    color: var(--aditas-navy);
}

/* About Section */
.about {
    background: linear-gradient(135deg, rgba(0, 184, 212, 0.05) 0%, rgba(245, 248, 250, 1) 100%);
    border-top: 1px solid rgba(0, 184, 212, 0.1);
    border-bottom: 1px solid rgba(0, 184, 212, 0.1);
}

.about-content {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: 400;
    line-height: 1.8;
    color: var(--aditas-navy);
    max-width: 900px;
}

.about-content p {
    margin-bottom: 1.5rem;
}

.about-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0 2rem 2rem;
}

.about-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--aditas-navy);
}

.about-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--aditas-teal);
    font-weight: 900;
    font-size: 1.5rem;
}

.about-tagline {
    font-size: clamp(1.3rem, 2.8vw, 1.7rem);
    font-weight: 600;
    color: var(--aditas-teal);
    margin-top: 2rem;
    font-style: italic;
}

.about-content strong {
    color: var(--aditas-navy);
    font-weight: 700;
}

/* Services Section */
.services {
    background: var(--aditas-off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.vertical-card {
    background: var(--aditas-white);
    border: 2px solid var(--aditas-light-gray);
    border-radius: 1.5rem;
    padding: 3rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.vertical-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.vertical-card:hover::before {
    transform: scaleX(1);
}

.vertical-card:hover {
    transform: translateY(-10px);
    border-color: var(--aditas-teal);
    box-shadow: 0 20px 60px rgba(0, 184, 212, 0.15);
}

.vertical-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 1rem;
    margin-bottom: 2rem;
    transition: transform 0.4s ease;
}

.vertical-card:hover .vertical-image {
    transform: scale(1.03);
}

.vertical-card h3 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--aditas-navy);
}

.vertical-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--aditas-gray);
}

/* Contact Section */
.contact {
    background: var(--aditas-white);
    padding: 8rem 4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: start;
}

.contact-info h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
    color: var(--aditas-navy);
}

.contact-item {
    margin-bottom: 2.5rem;
    padding-left: 3.5rem;
    position: relative;
}

.contact-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.3rem;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.contact-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--aditas-teal);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-item p {
    font-size: 1.2rem;
    color: var(--aditas-navy);
    line-height: 1.6;
}

.contact-item a {
    color: var(--aditas-navy);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--aditas-teal);
}

.contact-form {
    background: var(--aditas-off-white);
    border: 2px solid var(--aditas-light-gray);
    border-radius: 1.5rem;
    padding: 3rem;
}

.contact-form h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--aditas-navy);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--aditas-navy);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--aditas-white);
    border: 2px solid var(--aditas-light-gray);
    border-radius: 0.5rem;
    color: var(--aditas-navy);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--aditas-teal);
    box-shadow: 0 0 0 3px rgba(0, 184, 212, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    margin-top: 1rem;
}

/* CTA Section */
.cta {
    background: var(--aditas-navy);
    text-align: center;
    padding: 10rem 4rem;
}

.cta h2 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 900;
    margin-bottom: 3rem;
    letter-spacing: -0.03em;
    color: var(--aditas-white);
}

.cta p {
    color: var(--aditas-light-gray);
}

.cta .btn {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
}

/* Footer */
.footer {
    background: var(--aditas-dark-navy);
    padding: 4rem;
    text-align: center;
    border-top: 1px solid rgba(0, 184, 212, 0.2);
}

.footer p {
    color: var(--aditas-light-gray);
    font-size: 1rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

/* Responsive */
@media (max-width: 1024px) {
    .header {
        padding: 1.5rem 2rem;
    }

    .section {
        padding: 6rem 2rem;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .vertical-card {
        padding: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact {
        padding: 4rem 2rem;
    }

    .cta {
        padding: 6rem 2rem;
    }
}