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

html {
    scroll-behavior: smooth;
}

body {
    background: #05070d;
    color: #e8f1f8;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* ========================= */
/* NAVBAR */
/* ========================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;

    width: 100%;
    height: 80px;

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

    padding: 0 60px;

    z-index: 1000;

    background: rgba(5, 7, 13, 0.88);
    backdrop-filter: blur(14px);

    border-bottom: 1px solid rgba(0, 200, 255, 0.08);
}

.logo {
    display: flex;
    flex-direction: column;

    text-align: left;
}

.lab-return {
    padding: 10px 15px;
    border: 1px solid rgba(0, 200, 255, 0.18);
    border-radius: 10px;
    color: #a9dfee;
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 600;
    transition: 0.25s ease;
}

.lab-return:hover {
    border-color: rgba(0, 200, 255, 0.42);
    background: rgba(0, 200, 255, 0.08);
    color: #00c8ff;
}

.logo-main {
    color: #00c8ff;

    font-size: 1.3rem;
    font-weight: 800;
}

.logo-sub {
    color: #8da2b0;

    font-size: 0.72rem;

    letter-spacing: 2px;
    text-transform: uppercase;
}

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

.hero {
    position: relative;

    min-height: 100vh;

    display: flex;
    align-items: center;

    padding: 140px 60px 100px;

    background:
        radial-gradient(circle at top right,
            rgba(0, 200, 255, 0.12),
            transparent 30%),
        linear-gradient(to bottom,
            #05070d,
            #0b1119);
}

.hero::before {
    content: "";

    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(rgba(0, 200, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 255, 0.03) 1px, transparent 1px);

    background-size: 60px 60px;
}

.hero-overlay {
    position: absolute;
    inset: 0;

    background:
        radial-gradient(circle at center,
            rgba(0, 200, 255, 0.05),
            transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;

    max-width: 900px;

    animation: fadeUp 1.2s ease;
}

.hero-mini-title {
    color: #00c8ff;

    font-size: 0.82rem;
    font-weight: 700;

    letter-spacing: 4px;

    margin-bottom: 20px;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;

    margin-bottom: 30px;

    color: #f4f8fc;
}

.hero h1 span {
    color: #00c8ff;
}

.hero-description {
    max-width: 700px;

    color: #9fb2bf;

    font-size: 1.15rem;
    line-height: 1.8;

    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 15px 28px;

    border-radius: 12px;

    text-decoration: none;
    font-weight: 600;

    transition: 0.3s ease;
}

.btn-primary {
    background: #00c8ff;
    color: #031018;
}

.btn-primary:hover {
    transform: translateY(-3px);

    box-shadow: 0 0 25px rgba(0, 200, 255, 0.25);
}

.btn-secondary {
    border: 1px solid rgba(0, 200, 255, 0.18);

    color: #dce7ef;
}

.btn-secondary:hover {
    background: rgba(0, 200, 255, 0.06);
}

/* ========================= */
/* SECTIONS */
/* ========================= */

.project-section {
    padding: 120px 60px;
}

.dark-section {
    background: #081019;
}

.section-header {
    margin-bottom: 60px;
}

.section-mini-title {
    color: #00c8ff;

    font-size: 0.78rem;
    font-weight: 700;

    letter-spacing: 3px;

    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
}

/* ========================= */
/* PROJECT GRID */
/* ========================= */

.project-grid {
    display: grid;
    grid-template-columns: 340px 1fr;

    gap: 60px;
    align-items: center;
}

.project-image {
    display: flex;
    justify-content: center;
}

.project-image img {
    width: 100%;
    max-width: 320px;

    border-radius: 20px;

    border: 1px solid rgba(0, 200, 255, 0.08);

    box-shadow: 0 0 30px rgba(0, 200, 255, 0.08);

    transition: 0.3s ease;
}

.project-image img:hover {
    transform: scale(1.02);
}

.project-content p {
    color: #a8bac7;

    line-height: 1.9;
    font-size: 1.05rem;

    margin-bottom: 24px;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;

    margin: 35px 0;
}

.tags span {
    padding: 10px 16px;

    border-radius: 999px;

    background: rgba(0, 200, 255, 0.08);

    border: 1px solid rgba(0, 200, 255, 0.1);

    color: #9ee8ff;

    font-size: 0.9rem;
}

.project-button {
    display: inline-block;

    padding: 14px 24px;

    border-radius: 12px;

    background: #00c8ff;
    color: #031018;

    text-decoration: none;
    font-weight: 700;

    transition: 0.3s ease;
}

.project-button:hover {
    transform: translateY(-2px);

    box-shadow: 0 0 20px rgba(0, 200, 255, 0.25);
}

/* ========================= */
/* PHILOSOPHY */
/* ========================= */

.philosophy-section {
    padding: 0 60px 120px;
}

.philosophy-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 30px;
}

.philosophy-card {
    padding: 35px;

    background: rgba(255, 255, 255, 0.02);

    border-radius: 20px;

    border: 1px solid rgba(0, 200, 255, 0.08);

    transition: 0.3s ease;
}

.philosophy-card:hover {
    transform: translateY(-5px);

    border-color: rgba(0, 200, 255, 0.25);

    box-shadow: 0 0 25px rgba(0, 200, 255, 0.08);
}

.philosophy-card h3 {
    color: #00c8ff;

    margin-bottom: 18px;

    font-size: 1.3rem;
}

.philosophy-card p {
    color: #a8bac7;

    line-height: 1.8;
}

/* ========================= */
/* CONCEPT GRID */
/* ========================= */

.concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 30px;
}

.concept-card {
    overflow: hidden;

    border-radius: 20px;

    background: #0b121b;

    border: 1px solid rgba(0, 200, 255, 0.08);

    transition: 0.3s ease;
}

.concept-card:hover {
    transform: translateY(-5px);

    border-color: rgba(0, 200, 255, 0.25);
}

.concept-card img {
    width: 100%;
    height: 260px;

    object-fit: cover;
}

.concept-content {
    padding: 25px;
}

.concept-content h3 {
    margin-bottom: 10px;
}

.concept-content p {
    color: #9fb0bc;

    line-height: 1.7;
}

/* ========================= */
/* QUOTE */
/* ========================= */

.quote-section {
    padding: 120px 40px;

    background:
        radial-gradient(circle at center,
            rgba(0, 200, 255, 0.08),
            transparent 70%);
}

.quote-box {
    max-width: 900px;

    margin: auto;

    text-align: center;
}

.quote-box p {
    font-size: 2rem;
    line-height: 1.7;
    font-weight: 600;

    color: #f4f8fc;
}

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

.footer {
    padding: 60px 40px;

    background: #04070d;

    border-top: 1px solid rgba(0, 200, 255, 0.08);
}

.footer-content {
    text-align: center;
}

.footer-content h3 {
    color: #00c8ff;

    margin-bottom: 15px;
}

.footer-content p {
    color: #93a7b4;

    margin-bottom: 10px;
}

.footer-copy {
    margin-top: 20px;

    font-size: 0.9rem;
}

/* ========================= */
/* ANIMATION */
/* ========================= */

@keyframes fadeUp {

    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 1100px) {

    .project-grid,
    .philosophy-container,
    .concept-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3.4rem;
    }

    .project-image {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {

    .navbar {
        height: auto;

        padding: 20px;
    }

    .lab-return {
        padding: 8px 10px;
        font-size: 0.7rem;
    }

    .hero {
        padding: 180px 25px 100px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .project-section,
    .philosophy-section {
        padding-left: 25px;
        padding-right: 25px;
    }

    .project-section {
        padding-top: 90px;
        padding-bottom: 90px;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .quote-box p {
        font-size: 1.4rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
}

.project-button-disabled,
.project-button-disabled:hover {
    cursor:default;
    opacity:0.72;
    transform:none;
    box-shadow:none;
}